bin/apidoc.bat

@@ -4,4 +4,4 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DCMD=APIDOC -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DCMD=APIDOC -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* org.redkale.boot.Application

bin/restart.bat

@@ -4,6 +4,6 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-call %APP_HOME%\bin\shutdown.bat 
+call "%APP_HOME%\bin\shutdown.bat" 
 
-call %APP_HOME%\bin\start.bat 
+call "%APP_HOME%\bin\start.bat" 

bin/shutdown.bat

@@ -4,4 +4,4 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DCMD=SHUTDOWN -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DCMD=SHUTDOWN -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* org.redkale.boot.Application

bin/start.bat

@@ -4,5 +4,5 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* org.redkale.boot.Application
 

conf/persistence.xml

@@ -6,7 +6,6 @@
         <shared-cache-mode>ALL</shared-cache-mode>
         <properties>
             <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/center?autoReconnect=true&amp;characterEncoding=utf8"/>
-            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
             <property name="javax.persistence.jdbc.user" value="root"/>
             <property name="javax.persistence.jdbc.password" value="1234"/>
         </properties>

src/META-INF/application-template.xml

@@ -37,11 +37,11 @@
             threads： 线程总数， 默认: <group>节点数*CPU核数*2
             bufferCapacity: ByteBuffer的初始化大小， 默认: 32K; 
             bufferPoolSize： ByteBuffer池的大小，默认: 线程总数*4
-            readTimeoutSecond: TCP读取超时秒数, 默认为6秒， 为0表示无超时限制
-            writeTimeoutSecond: TCP写入超时秒数, 默认为6秒， 为0表示无超时限制
+            readTimeoutSeconds: TCP读取超时秒数, 默认为6秒， 为0表示无超时限制
+            writeTimeoutSeconds: TCP写入超时秒数, 默认为6秒， 为0表示无超时限制
             strategy: 远程请求的负载均衡策略， 必须是org.redkale.net.TransportStrategy的实现类
         -->
-        <transport bufferCapacity="32K" bufferPoolSize="32" threads="32" readTimeoutSecond="6" writeTimeoutSecond="6"/>
+        <transport bufferCapacity="32K" bufferPoolSize="32" threads="32" readTimeoutSeconds="6" writeTimeoutSeconds="6"/>
         
         <!--
             一个组包含多个node， 同一Service服务可以由多个进程提供，这些进程称为一个GROUP，且同一GROUP内的进程必须在同一机房或局域网内
@@ -116,14 +116,16 @@
         excludelibs: 排除lib.path与excludes中的正则表达式匹配的路径, 多个正则表达式用分号;隔开
         charset: 文本编码， 默认: UTF-8
         backlog:  默认10K
-        threads： 线程总数， 默认: CPU核数*8
+        threads： 线程数， 默认: CPU核数*32
         maxconns：最大连接数, 小于1表示无限制， 默认: 0
         maxbody: request.body最大值， 默认: 64K
         bufferCapacity: ByteBuffer的初始化大小， 默认: 32K;  (HTTP 2.0、WebSocket，必须要16k以上)
-        bufferPoolSize： ByteBuffer池的大小，默认: 线程总数*4
-        responsePoolSize： Response池的大小，默认: 线程总数*2
-        readTimeoutSecond: 读操作超时秒数， 默认0， 表示永久不超时
-        writeTimeoutSecond:  写操作超时秒数， 默认0， 表示永久不超时
+        bufferPoolSize： ByteBuffer池的大小，默认: 线程数*4
+        responsePoolSize： Response池的大小，默认: 线程数*2
+        aliveTimeoutSeconds: KeepAlive读操作超时秒数， 默认30， 0表示永久不超时; -1表示禁止KeepAlive
+        readTimeoutSeconds: 读操作超时秒数， 默认0， 表示永久不超时
+        writeTimeoutSeconds:  写操作超时秒数， 默认0， 表示永久不超时
+        netimpl: ProtocolServer的实现类。TCP情况下值也可以是aio或nio，默认值为aio；UDP情况下值也可以是bio，默认值为bio；
         interceptor: 启动/关闭NodeServer时被调用的拦截器实现类，必须是org.redkale.boot.NodeInterceptor的子类，默认为null
     -->
     <server protocol="HTTP" host="127.0.0.1" port="6060" root="root" lib=""> 
@@ -229,18 +231,26 @@
         <!--
            【节点在<server>中唯一】
            当Server为HTTP协议时, response节点才有效。
+           contenttype: plain值为调用finish时的ContentType; 默认值: text/plain; charset=utf-8
+                        json值为调用finishJson时的ContentType; 默认值: application/json; charset=utf-8
            defcookie 节点: 当response里输出的cookie没有指定domain 和path时，使用该节点的默认值。
            如果addheader、setheader 的value值以request.parameters.开头则表示从request.parameters中获取对应的parameter值
            如果addheader、setheader 的value值以request.headers.开头则表示从request.headers中获取对应的header值
            例如下面例子是在Response输出header时添加两个header（一个addHeader， 一个setHeader）。
-           options 节点: 设置了该节点却auto=true，当request的method=OPTIONS自动设置addheader、setheader并返回200状态码
+           options 节点: 设置了该节点且auto=true，当request的method=OPTIONS自动设置addheader、setheader并返回200状态码
+           date 节点: 设置了该节点且period有值(单位：毫秒);返回response会包含Date头信息，默认为period=0
+                      period=0表示实时获取当前时间;
+                      period<0表示不设置date;
+                      period>0表示定时获取时间; 设置1000表示每秒刷新Date时间
         -->
         <response>
+            <contenttype plain="text/plain; charset=utf-8" json="application/json; charset=utf-8"/>            
             <defcookie domain="" path=""/>  
             <addheader name="Access-Control-Allow-Origin" value="request.headers.Origin" /> 
             <setheader name="Access-Control-Allow-Headers" value="request.headers.Access-Control-Request-Headers"/>
             <setheader name="Access-Control-Allow-Credentials" value="true"/>
             <options auto="true" />
+            <date period="0" />
         </response>
         <!-- 
            【节点在<server>中唯一】

src/org/redkale/asm/AnnotationVisitor.java

@@ -70,7 +70,7 @@ public abstract class AnnotationVisitor {
 
     /**
      * The ASM API version implemented by this visitor. The value of this field
-     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     protected final int api;
 
@@ -85,7 +85,7 @@ public abstract class AnnotationVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     public AnnotationVisitor(final int api) {
         this(api, null);
@@ -96,15 +96,12 @@ public abstract class AnnotationVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      * @param av
      *            the annotation visitor to which this visitor must delegate
      *            method calls. May be null.
      */
     public AnnotationVisitor(final int api, final AnnotationVisitor av) {
-        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
-            throw new IllegalArgumentException();
-        }
         this.api = api;
         this.av = av;
     }
@@ -118,7 +115,7 @@ public abstract class AnnotationVisitor {
      *            the actual value, whose type must be {@link Byte},
      *            {@link Boolean}, {@link Character}, {@link Short},
      *            {@link Integer} , {@link Long}, {@link Float}, {@link Double},
-     *            {@link String} or {@link Type} or OBJECT or ARRAY sort. This
+     *            {@link String} or {@link Type} of OBJECT or ARRAY sort. This
      *            value can also be an array of byte, boolean, short, char, int,
      *            long, float or double values (this is equivalent to using
      *            {@link #visitArray visitArray} and visiting each array element

src/org/redkale/asm/AnnotationWriter.java

@@ -133,7 +133,7 @@ final class AnnotationWriter extends AnnotationVisitor {
      */
     AnnotationWriter(final ClassWriter cw, final boolean named,
             final ByteVector bv, final ByteVector parent, final int offset) {
-        super(Opcodes.ASM5);
+        super(Opcodes.ASM6);
         this.cw = cw;
         this.named = named;
         this.bv = bv;

src/org/redkale/asm/Attribute.java

@@ -64,7 +64,7 @@ package org.redkale.asm;
  * @author Eric Bruneton
  * @author Eugene Kuleshov
  */
-public class Attribute {
+class Attribute {
 
     /**
      * The type of this attribute.

src/org/redkale/asm/ClassReader.java

@@ -72,31 +72,6 @@ import java.io.InputStream;
  */
 public class ClassReader {
 
-    /**
-     * True to enable signatures support.
-     */
-    static final boolean SIGNATURES = true;
-
-    /**
-     * True to enable annotations support.
-     */
-    static final boolean ANNOTATIONS = true;
-
-    /**
-     * True to enable stack map frames support.
-     */
-    static final boolean FRAMES = true;
-
-    /**
-     * True to enable bytecode writing support.
-     */
-    static final boolean WRITER = true;
-
-    /**
-     * True to enable JSR_W and GOTO_W support.
-     */
-    static final boolean RESIZE = true;
-
     /**
      * Flag to skip method code. If this class is set <code>CODE</code>
      * attribute won't be visited. This can be used, for example, to retrieve
@@ -133,6 +108,21 @@ public class ClassReader {
      */
     public static final int EXPAND_FRAMES = 8;
 
+    /**
+     * Flag to expand the ASM pseudo instructions into an equivalent sequence of
+     * standard bytecode instructions. When resolving a forward jump it may
+     * happen that the signed 2 bytes offset reserved for it is not sufficient
+     * to store the bytecode offset. In this case the jump instruction is
+     * replaced with a temporary ASM pseudo instruction using an unsigned 2
+     * bytes offset (see Label#resolve). This internal flag is used to re-read
+     * classes containing such instructions, in order to replace them with
+     * standard instructions. In addition, when this flag is used, GOTO_W and
+     * JSR_W are <i>not</i> converted into GOTO and JSR, to make sure that
+     * infinite loops where a GOTO_W is replaced with a GOTO in ClassReader and
+     * converted back to a GOTO_W in ClassWriter cannot occur.
+     */
+    static final int EXPAND_ASM_INSNS = 256;
+
     /**
      * The class to be parsed. <i>The content of this array must not be
      * modified. This field is intended for {@link Attribute} sub classes, and
@@ -195,8 +185,8 @@ public class ClassReader {
     public ClassReader(final byte[] b, final int off, final int len) {
         this.b = b;
         // checks the class version
-        if (readShort(off + 6) > Opcodes.V1_9) {
-            throw new IllegalArgumentException();
+        if (readShort(off + 6) > Opcodes.V10) {
+            //throw new IllegalArgumentException();
         }
         // parses the constant pool
         items = new int[readUnsignedShort(off + 8)];
@@ -234,6 +224,8 @@ public class ClassReader {
             // case ClassWriter.CLASS:
             // case ClassWriter.STR:
             // case ClassWriter.MTYPE
+            // case ClassWriter.PACKAGE:
+            // case ClassWriter.MODULE:
             default:
                 size = 3;
                 break;
@@ -377,7 +369,9 @@ public class ClassReader {
                 break;
             // case ClassWriter.STR:
             // case ClassWriter.CLASS:
-            // case ClassWriter.MTYPE
+            // case ClassWriter.MTYPE:
+            // case ClassWriter.MODULE:
+            // case ClassWriter.PACKAGE:
             default:
                 item.set(tag, readUTF8(index, buf), null, null);
                 break;
@@ -584,11 +578,14 @@ public class ClassReader {
         String enclosingOwner = null;
         String enclosingName = null;
         String enclosingDesc = null;
+        String moduleMainClass = null;
         int anns = 0;
         int ianns = 0;
         int tanns = 0;
         int itanns = 0;
         int innerClasses = 0;
+        int module = 0;
+        int packages = 0;
         Attribute attributes = null;
 
         u = getAttributes();
@@ -607,13 +604,11 @@ public class ClassReader {
                     enclosingName = readUTF8(items[item], c);
                     enclosingDesc = readUTF8(items[item] + 2, c);
                 }
-            } else if (SIGNATURES && "Signature".equals(attrName)) {
+            } else if ("Signature".equals(attrName)) {
                 signature = readUTF8(u + 8, c);
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleAnnotations".equals(attrName)) {
                 anns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleTypeAnnotations".equals(attrName)) {
                 tanns = u + 8;
             } else if ("Deprecated".equals(attrName)) {
                 access |= Opcodes.ACC_DEPRECATED;
@@ -623,12 +618,16 @@ public class ClassReader {
             } else if ("SourceDebugExtension".equals(attrName)) {
                 int len = readInt(u + 4);
                 sourceDebug = readUTF(u + 8, len, new char[len]);
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleAnnotations".equals(attrName)) {
                 ianns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleTypeAnnotations".equals(attrName)) {
                 itanns = u + 8;
+            } else if ("Module".equals(attrName)) {
+                module = u + 8;
+            } else if ("ModuleMainClass".equals(attrName)) {
+                moduleMainClass = readClass(u + 8, c);
+            } else if ("ModulePackages".equals(attrName)) {
+                packages = u + 10;
             } else if ("BootstrapMethods".equals(attrName)) {
                 int[] bootstrapMethods = new int[readUnsignedShort(u + 8)];
                 for (int j = 0, v = u + 10; j < bootstrapMethods.length; j++) {
@@ -657,6 +656,12 @@ public class ClassReader {
             classVisitor.visitSource(sourceFile, sourceDebug);
         }
 
+        // visits the module info and associated attributes
+        if (module != 0) {
+            readModule(classVisitor, context, module,
+                    moduleMainClass, packages);
+        }
+
         // visits the outer class
         if (enclosingOwner != null) {
             classVisitor.visitOuterClass(enclosingOwner, enclosingName,
@@ -664,19 +669,19 @@ public class ClassReader {
         }
 
         // visits the class annotations and type annotations
-        if (ANNOTATIONS && anns != 0) {
+        if (anns != 0) {
             for (int i = readUnsignedShort(anns), v = anns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         classVisitor.visitAnnotation(readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && ianns != 0) {
+        if (ianns != 0) {
             for (int i = readUnsignedShort(ianns), v = ianns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         classVisitor.visitAnnotation(readUTF8(v, c), false));
             }
         }
-        if (ANNOTATIONS && tanns != 0) {
+        if (tanns != 0) {
             for (int i = readUnsignedShort(tanns), v = tanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -684,7 +689,7 @@ public class ClassReader {
                                 context.typePath, readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && itanns != 0) {
+        if (itanns != 0) {
             for (int i = readUnsignedShort(itanns), v = itanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -726,6 +731,120 @@ public class ClassReader {
         classVisitor.visitEnd();
     }
 
+    /**
+     * Reads the module attribute and visit it.
+     *
+     * @param classVisitor
+     *           the current class visitor
+     * @param context
+     *           information about the class being parsed.
+     * @param u
+     *           start offset of the module attribute in the class file.
+     * @param mainClass
+     *           name of the main class of a module or null.
+     * @param packages
+     *           start offset of the concealed package attribute.
+     */
+    private void readModule(final ClassVisitor classVisitor,
+            final Context context, int u,
+            final String mainClass, int packages) {
+
+        char[] buffer = context.buffer;
+
+        // reads module name, flags and version
+        String name = readModule(u, buffer);
+        int flags = readUnsignedShort(u + 2);
+        String version = readUTF8(u + 4, buffer);
+        u += 6;
+
+        ModuleVisitor mv = classVisitor.visitModule(name, flags, version);
+        if (mv == null) {
+            return;
+        }
+
+        // module attributes (main class, packages)
+        if (mainClass != null) {
+            mv.visitMainClass(mainClass);
+        }
+
+        if (packages != 0) {
+            for (int i = readUnsignedShort(packages - 2); i > 0; --i) {
+                String packaze = readPackage(packages, buffer);
+                mv.visitPackage(packaze);
+                packages += 2;
+            }
+        }
+
+        // reads requires
+        u += 2;
+        for (int i = readUnsignedShort(u - 2); i > 0; --i) {
+            String module = readModule(u, buffer);
+            int access = readUnsignedShort(u + 2);
+            String requireVersion = readUTF8(u + 4, buffer);
+            mv.visitRequire(module, access, requireVersion);
+            u += 6;
+        }
+
+        // reads exports
+        u += 2;
+        for (int i = readUnsignedShort(u - 2); i > 0; --i) {
+            String export = readPackage(u, buffer);
+            int access = readUnsignedShort(u + 2);
+            int exportToCount = readUnsignedShort(u + 4);
+            u += 6;
+            String[] tos = null;
+            if (exportToCount != 0) {
+                tos = new String[exportToCount];
+                for (int j = 0; j < tos.length; ++j) {
+                    tos[j] = readModule(u, buffer);
+                    u += 2;
+                }
+            }
+            mv.visitExport(export, access, tos);
+        }
+
+        // reads opens
+        u += 2;
+        for (int i = readUnsignedShort(u - 2); i > 0; --i) {
+            String open = readPackage(u, buffer);
+            int access = readUnsignedShort(u + 2);
+            int openToCount = readUnsignedShort(u + 4);
+            u += 6;
+            String[] tos = null;
+            if (openToCount != 0) {
+                tos = new String[openToCount];
+                for (int j = 0; j < tos.length; ++j) {
+                    tos[j] = readModule(u, buffer);
+                    u += 2;
+                }
+            }
+            mv.visitOpen(open, access, tos);
+        }
+
+        // read uses
+        u += 2;
+        for (int i = readUnsignedShort(u - 2); i > 0; --i) {
+            mv.visitUse(readClass(u, buffer));
+            u += 2;
+        }
+
+        // read provides
+        u += 2;
+        for (int i = readUnsignedShort(u - 2); i > 0; --i) {
+            String service = readClass(u, buffer);
+            int provideWithCount = readUnsignedShort(u + 2);
+            u += 4;
+            String[] withs = new String[provideWithCount];
+            for (int j = 0; j < withs.length; ++j) {
+                withs[j] = readClass(u, buffer);
+                u += 2;
+            }
+            mv.visitProvide(service, withs);
+        }
+
+        mv.visitEnd();
+    }
+
     /**
      * Reads a field and makes the given visitor visit it.
      *
@@ -762,24 +881,20 @@ public class ClassReader {
             if ("ConstantValue".equals(attrName)) {
                 int item = readUnsignedShort(u + 8);
                 value = item == 0 ? null : readConst(item, c);
-            } else if (SIGNATURES && "Signature".equals(attrName)) {
+            } else if ("Signature".equals(attrName)) {
                 signature = readUTF8(u + 8, c);
             } else if ("Deprecated".equals(attrName)) {
                 access |= Opcodes.ACC_DEPRECATED;
             } else if ("Synthetic".equals(attrName)) {
                 access |= Opcodes.ACC_SYNTHETIC
                         | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleAnnotations".equals(attrName)) {
                 anns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleTypeAnnotations".equals(attrName)) {
                 tanns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleAnnotations".equals(attrName)) {
                 ianns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleTypeAnnotations".equals(attrName)) {
                 itanns = u + 8;
             } else {
                 Attribute attr = readAttribute(context.attrs, attrName, u + 8,
@@ -801,19 +916,19 @@ public class ClassReader {
         }
 
         // visits the field annotations and type annotations
-        if (ANNOTATIONS && anns != 0) {
+        if (anns != 0) {
             for (int i = readUnsignedShort(anns), v = anns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         fv.visitAnnotation(readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && ianns != 0) {
+        if (ianns != 0) {
             for (int i = readUnsignedShort(ianns), v = ianns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         fv.visitAnnotation(readUTF8(v, c), false));
             }
         }
-        if (ANNOTATIONS && tanns != 0) {
+        if (tanns != 0) {
             for (int i = readUnsignedShort(tanns), v = tanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -821,7 +936,7 @@ public class ClassReader {
                                 context.typePath, readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && itanns != 0) {
+        if (itanns != 0) {
             for (int i = readUnsignedShort(itanns), v = itanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -895,32 +1010,26 @@ public class ClassReader {
                     exceptions[j] = readClass(exception, c);
                     exception += 2;
                 }
-            } else if (SIGNATURES && "Signature".equals(attrName)) {
+            } else if ("Signature".equals(attrName)) {
                 signature = readUTF8(u + 8, c);
             } else if ("Deprecated".equals(attrName)) {
                 context.access |= Opcodes.ACC_DEPRECATED;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleAnnotations".equals(attrName)) {
                 anns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleTypeAnnotations".equals(attrName)) {
                 tanns = u + 8;
-            } else if (ANNOTATIONS && "AnnotationDefault".equals(attrName)) {
+            } else if ("AnnotationDefault".equals(attrName)) {
                 dann = u + 8;
             } else if ("Synthetic".equals(attrName)) {
                 context.access |= Opcodes.ACC_SYNTHETIC
                         | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleAnnotations".equals(attrName)) {
                 ianns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleTypeAnnotations".equals(attrName)) {
                 itanns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleParameterAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleParameterAnnotations".equals(attrName)) {
                 mpanns = u + 8;
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleParameterAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleParameterAnnotations".equals(attrName)) {
                 impanns = u + 8;
             } else if ("MethodParameters".equals(attrName)) {
                 methodParameters = u + 8;
@@ -953,7 +1062,7 @@ public class ClassReader {
          * access, name and descriptor can have been changed, this is not
          * important since they are not copied as is from the reader).
          */
-        if (WRITER && mv instanceof MethodWriter) {
+        if (mv instanceof MethodWriter) {
             MethodWriter mw = (MethodWriter) mv;
             if (mw.cw.cr == this && signature == mw.signature) {
                 boolean sameExceptions = false;
@@ -990,26 +1099,26 @@ public class ClassReader {
         }
 
         // visits the method annotations
-        if (ANNOTATIONS && dann != 0) {
+        if (dann != 0) {
             AnnotationVisitor dv = mv.visitAnnotationDefault();
             readAnnotationValue(dann, c, null, dv);
             if (dv != null) {
                 dv.visitEnd();
             }
         }
-        if (ANNOTATIONS && anns != 0) {
+        if (anns != 0) {
             for (int i = readUnsignedShort(anns), v = anns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         mv.visitAnnotation(readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && ianns != 0) {
+        if (ianns != 0) {
             for (int i = readUnsignedShort(ianns), v = ianns + 2; i > 0; --i) {
                 v = readAnnotationValues(v + 2, c, true,
                         mv.visitAnnotation(readUTF8(v, c), false));
             }
         }
-        if (ANNOTATIONS && tanns != 0) {
+        if (tanns != 0) {
             for (int i = readUnsignedShort(tanns), v = tanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -1017,7 +1126,7 @@ public class ClassReader {
                                 context.typePath, readUTF8(v, c), true));
             }
         }
-        if (ANNOTATIONS && itanns != 0) {
+        if (itanns != 0) {
             for (int i = readUnsignedShort(itanns), v = itanns + 2; i > 0; --i) {
                 v = readAnnotationTarget(context, v);
                 v = readAnnotationValues(v + 2, c, true,
@@ -1025,10 +1134,10 @@ public class ClassReader {
                                 context.typePath, readUTF8(v, c), false));
             }
         }
-        if (ANNOTATIONS && mpanns != 0) {
+        if (mpanns != 0) {
             readParameterAnnotations(mv, context, mpanns, true);
         }
-        if (ANNOTATIONS && impanns != 0) {
+        if (impanns != 0) {
             readParameterAnnotations(mv, context, impanns, false);
         }
 
@@ -1075,7 +1184,7 @@ public class ClassReader {
         int codeStart = u;
         int codeEnd = u + codeLength;
         Label[] labels = context.labels = new Label[codeLength + 2];
-        readLabel(codeLength + 1, labels);
+        createLabel(codeLength + 1, labels);
         while (u < codeEnd) {
             int offset = u - codeStart;
             int opcode = b[u] & 0xFF;
@@ -1085,11 +1194,16 @@ public class ClassReader {
                 u += 1;
                 break;
             case ClassWriter.LABEL_INSN:
-                readLabel(offset + readShort(u + 1), labels);
+                createLabel(offset + readShort(u + 1), labels);
+                u += 3;
+                break;
+            case ClassWriter.ASM_LABEL_INSN:
+                createLabel(offset + readUnsignedShort(u + 1), labels);
                 u += 3;
                 break;
             case ClassWriter.LABELW_INSN:
-                readLabel(offset + readInt(u + 1), labels);
+            case ClassWriter.ASM_LABELW_INSN:
+                createLabel(offset + readInt(u + 1), labels);
                 u += 5;
                 break;
             case ClassWriter.WIDE_INSN:
@@ -1104,9 +1218,9 @@ public class ClassReader {
                 // skips 0 to 3 padding bytes
                 u = u + 4 - (offset & 3);
                 // reads instruction
-                readLabel(offset + readInt(u), labels);
+                createLabel(offset + readInt(u), labels);
                 for (int i = readInt(u + 8) - readInt(u + 4) + 1; i > 0; --i) {
-                    readLabel(offset + readInt(u + 12), labels);
+                    createLabel(offset + readInt(u + 12), labels);
                     u += 4;
                 }
                 u += 12;
@@ -1115,9 +1229,9 @@ public class ClassReader {
                 // skips 0 to 3 padding bytes
                 u = u + 4 - (offset & 3);
                 // reads instruction
-                readLabel(offset + readInt(u), labels);
+                createLabel(offset + readInt(u), labels);
                 for (int i = readInt(u + 4); i > 0; --i) {
-                    readLabel(offset + readInt(u + 12), labels);
+                    createLabel(offset + readInt(u + 12), labels);
                     u += 8;
                 }
                 u += 8;
@@ -1147,9 +1261,9 @@ public class ClassReader {
 
         // reads the try catch entries to find the labels, and also visits them
         for (int i = readUnsignedShort(u); i > 0; --i) {
-            Label start = readLabel(readUnsignedShort(u + 2), labels);
-            Label end = readLabel(readUnsignedShort(u + 4), labels);
-            Label handler = readLabel(readUnsignedShort(u + 6), labels);
+            Label start = createLabel(readUnsignedShort(u + 2), labels);
+            Label end = createLabel(readUnsignedShort(u + 4), labels);
+            Label handler = createLabel(readUnsignedShort(u + 6), labels);
             String type = readUTF8(items[readUnsignedShort(u + 8)], c);
             mv.visitTryCatchBlock(start, end, handler, type);
             u += 8;
@@ -1180,13 +1294,9 @@ public class ClassReader {
                     varTable = u + 8;
                     for (int j = readUnsignedShort(u + 8), v = u; j > 0; --j) {
                         int label = readUnsignedShort(v + 10);
-                        if (labels[label] == null) {
-                            readLabel(label, labels).status |= Label.DEBUG;
-                        }
+                        createDebugLabel(label, labels);
                         label += readUnsignedShort(v + 12);
-                        if (labels[label] == null) {
-                            readLabel(label, labels).status |= Label.DEBUG;
-                        }
+                        createDebugLabel(label, labels);
                         v += 10;
                     }
                 }
@@ -1196,9 +1306,7 @@ public class ClassReader {
                 if ((context.flags & SKIP_DEBUG) == 0) {
                     for (int j = readUnsignedShort(u + 8), v = u; j > 0; --j) {
                         int label = readUnsignedShort(v + 10);
-                        if (labels[label] == null) {
-                            readLabel(label, labels).status |= Label.DEBUG;
-                        }
+                        createDebugLabel(label, labels);
                         Label l = labels[label];
                         while (l.line > 0) {
                             if (l.next == null) {
@@ -1210,17 +1318,15 @@ public class ClassReader {
                         v += 4;
                     }
                 }
-            } else if (ANNOTATIONS
-                    && "RuntimeVisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeVisibleTypeAnnotations".equals(attrName)) {
                 tanns = readTypeAnnotations(mv, context, u + 8, true);
                 ntoff = tanns.length == 0 || readByte(tanns[0]) < 0x43 ? -1
                         : readUnsignedShort(tanns[0] + 1);
-            } else if (ANNOTATIONS
-                    && "RuntimeInvisibleTypeAnnotations".equals(attrName)) {
+            } else if ("RuntimeInvisibleTypeAnnotations".equals(attrName)) {
                 itanns = readTypeAnnotations(mv, context, u + 8, false);
                 nitoff = itanns.length == 0 || readByte(itanns[0]) < 0x43 ? -1
                         : readUnsignedShort(itanns[0] + 1);
-            } else if (FRAMES && "StackMapTable".equals(attrName)) {
+            } else if ("StackMapTable".equals(attrName)) {
                 if ((context.flags & SKIP_FRAMES) == 0) {
                     stackMap = u + 10;
                     stackMapSize = readInt(u + 4);
@@ -1244,7 +1350,7 @@ public class ClassReader {
                  * this by parsing the stack map table without a full decoding
                  * (see below).
                  */
-            } else if (FRAMES && "StackMap".equals(attrName)) {
+            } else if ("StackMap".equals(attrName)) {
                 if ((context.flags & SKIP_FRAMES) == 0) {
                     zip = false;
                     stackMap = u + 10;
@@ -1273,7 +1379,7 @@ public class ClassReader {
         u += 2;
 
         // generates the first (implicit) stack map frame
-        if (FRAMES && stackMap != 0) {
+        if (stackMap != 0) {
             /*
              * for the first explicit frame the offset is not offset_delta + 1
              * but only offset_delta; setting the implicit frame offset to -1
@@ -1306,14 +1412,31 @@ public class ClassReader {
                     int v = readUnsignedShort(i + 1);
                     if (v >= 0 && v < codeLength) {
                         if ((b[codeStart + v] & 0xFF) == Opcodes.NEW) {
-                            readLabel(v, labels);
+                            createLabel(v, labels);
                         }
                     }
                 }
             }
         }
+        if ((context.flags & EXPAND_ASM_INSNS) != 0
+            && (context.flags & EXPAND_FRAMES) != 0) {
+            // Expanding the ASM pseudo instructions can introduce F_INSERT
+            // frames, even if the method does not currently have any frame.
+            // Also these inserted frames must be computed by simulating the
+            // effect of the bytecode instructions one by one, starting from the
+            // first one and the last existing frame (or the implicit first
+            // one). Finally, due to the way MethodWriter computes this (with
+            // the compute = INSERTED_FRAMES option), MethodWriter needs to know
+            // maxLocals before the first instruction is visited. For all these
+            // reasons we always visit the implicit first frame in this case
+            // (passing only maxLocals - the rest can be and is computed in
+            // MethodWriter).
+            mv.visitFrame(Opcodes.F_NEW, maxLocals, null, 0, null);
+        }
 
         // visits the instructions
+        int opcodeDelta = (context.flags & EXPAND_ASM_INSNS) == 0 ? -33 : 0;
+        boolean insertFrame = false;
         u = codeStart;
         while (u < codeEnd) {
             int offset = u - codeStart;
@@ -1334,7 +1457,7 @@ public class ClassReader {
             }
 
             // visits the frame for this offset, if any
-            while (FRAMES && frame != null
+            while (frame != null
                     && (frame.offset == offset || frame.offset == -1)) {
                 // if there is a frame for this offset, makes the visitor visit
                 // it, and reads the next frame if there is one.
@@ -1346,6 +1469,9 @@ public class ClassReader {
                         mv.visitFrame(frame.mode, frame.localDiff, frame.local,
                                 frame.stackCount, frame.stack);
                     }
+                    // if there is already a frame for this offset, there is no
+                    // need to insert a new one.
+                    insertFrame = false;
                 }
                 if (frameCount > 0) {
                     stackMap = readFrame(stackMap, zip, unzip, frame);
@@ -1354,6 +1480,13 @@ public class ClassReader {
                     frame = null;
                 }
             }
+            // inserts a frame for this offset, if requested by setting
+            // insertFrame to true during the previous iteration. The actual
+            // frame content will be computed in MethodWriter.
+            if (insertFrame) {
+                mv.visitFrame(ClassWriter.F_INSERT, 0, null, 0, null);
+                insertFrame = false;
+            }
 
             // visits the instruction at this offset
             int opcode = b[u] & 0xFF;
@@ -1378,9 +1511,47 @@ public class ClassReader {
                 u += 3;
                 break;
             case ClassWriter.LABELW_INSN:
-                mv.visitJumpInsn(opcode - 33, labels[offset + readInt(u + 1)]);
+                mv.visitJumpInsn(opcode + opcodeDelta, labels[offset
+                        + readInt(u + 1)]);
                 u += 5;
                 break;
+            case ClassWriter.ASM_LABEL_INSN: {
+                // changes temporary opcodes 202 to 217 (inclusive), 218
+                // and 219 to IFEQ ... JSR (inclusive), IFNULL and
+                // IFNONNULL
+                opcode = opcode < 218 ? opcode - 49 : opcode - 20;
+                Label target = labels[offset + readUnsignedShort(u + 1)];
+                // replaces GOTO with GOTO_W, JSR with JSR_W and IFxxx
+                // <l> with IFNOTxxx <L> GOTO_W <l> L:..., where IFNOTxxx is
+                // the "opposite" opcode of IFxxx (i.e., IFNE for IFEQ)
+                // and where <L> designates the instruction just after
+                // the GOTO_W.
+                if (opcode == Opcodes.GOTO || opcode == Opcodes.JSR) {
+                    mv.visitJumpInsn(opcode + 33, target);
+                } else {
+                    opcode = opcode <= 166 ? ((opcode + 1) ^ 1) - 1
+                            : opcode ^ 1;
+                    Label endif = createLabel(offset + 3, labels);
+                    mv.visitJumpInsn(opcode, endif);
+                    mv.visitJumpInsn(200, target); // GOTO_W
+                    // endif designates the instruction just after GOTO_W,
+                    // and is visited as part of the next instruction. Since
+                    // it is a jump target, we need to insert a frame here.
+                    insertFrame = true;
+                }
+                u += 3;
+                break;
+            }
+            case ClassWriter.ASM_LABELW_INSN: {
+                // replaces the pseudo GOTO_W instruction with a real one.
+                mv.visitJumpInsn(200, labels[offset + readInt(u + 1)]);
+                // The instruction just after is a jump target (because pseudo
+                // GOTO_W are used in patterns IFNOTxxx <L> GOTO_W <l> L:...,
+                // see MethodWriter), so we need to insert a frame here.
+                insertFrame = true;
+                u += 5;
+                break;
+            }
             case ClassWriter.WIDE_INSN:
                 opcode = b[u + 1] & 0xFF;
                 if (opcode == Opcodes.IINC) {
@@ -1636,8 +1807,8 @@ public class ClassReader {
                 for (int j = readUnsignedShort(u + 1); j > 0; --j) {
                     int start = readUnsignedShort(u + 3);
                     int length = readUnsignedShort(u + 5);
-                    readLabel(start, context.labels);
-                    readLabel(start + length, context.labels);
+                    createLabel(start, context.labels);
+                    createLabel(start + length, context.labels);
                     u += 6;
                 }
                 u += 3;
@@ -1716,8 +1887,8 @@ public class ClassReader {
             for (int i = 0; i < n; ++i) {
                 int start = readUnsignedShort(u);
                 int length = readUnsignedShort(u + 2);
-                context.start[i] = readLabel(start, context.labels);
-                context.end[i] = readLabel(start + length, context.labels);
+                context.start[i] = createLabel(start, context.labels);
+                context.end[i] = createLabel(start + length, context.labels);
                 context.index[i] = readUnsignedShort(u + 4);
                 u += 6;
             }
@@ -2137,7 +2308,7 @@ public class ClassReader {
             }
         }
         frame.offset += delta + 1;
-        readLabel(frame.offset, labels);
+        createLabel(frame.offset, labels);
         return stackMap;
     }
 
@@ -2190,7 +2361,7 @@ public class ClassReader {
             v += 2;
             break;
         default: // Uninitialized
-            frame[index] = readLabel(readUnsignedShort(v), labels);
+            frame[index] = createLabel(readUnsignedShort(v), labels);
             v += 2;
         }
         return v;
@@ -2216,6 +2387,39 @@ public class ClassReader {
         return labels[offset];
     }
 
+    /**
+     * Creates a label without the Label.DEBUG flag set, for the given offset.
+     * The label is created with a call to {@link #readLabel} and its
+     * Label.DEBUG flag is cleared.
+     *
+     * @param offset
+     *            a bytecode offset in a method.
+     * @param labels
+     *            the already created labels, indexed by their offset.
+     * @return a Label without the Label.DEBUG flag set.
+     */
+    private Label createLabel(int offset, Label[] labels) {
+      Label label = readLabel(offset, labels);
+      label.status &= ~Label.DEBUG;
+      return label;
+    }
+
+    /**
+     * Creates a label with the Label.DEBUG flag set, if there is no already
+     * existing label for the given offset (otherwise does nothing). The label
+     * is created with a call to {@link #readLabel}.
+     *
+     * @param offset
+     *            a bytecode offset in a method.
+     * @param labels
+     *            the already created labels, indexed by their offset.
+     */
+    private void createDebugLabel(int offset, Label[] labels) {
+        if (labels[offset] == null) {
+            readLabel(offset, labels).status |= Label.DEBUG;
+        }
+    }
+
     /**
      * Returns the start index of the attribute_info structure of this class.
      *
@@ -2470,6 +2674,20 @@ public class ClassReader {
         return new String(buf, 0, strLen);
     }
 
+    /**
+     * Read a stringish constant item (CONSTANT_Class, CONSTANT_String,
+     * CONSTANT_MethodType, CONSTANT_Module or CONSTANT_Package
+     * @param index
+     * @param buf
+     * @return
+     */
+    private String readStringish(final int index, final char[] buf) {
+        // computes the start index of the item in b
+        // and reads the CONSTANT_Utf8 item designated by
+        // the first two bytes of this item
+        return readUTF8(items[readUnsignedShort(index)], buf);
+    }
+
     /**
      * Reads a class constant pool item in {@link #b b}. <i>This method is
      * intended for {@link Attribute} sub classes, and is normally not needed by
@@ -2484,44 +2702,41 @@ public class ClassReader {
      * @return the String corresponding to the specified class item.
      */
     public String readClass(final int index, final char[] buf) {
-        // computes the start index of the CONSTANT_Class item in b
-        // and reads the CONSTANT_Utf8 item designated by
-        // the first two bytes of this CONSTANT_Class item
-        return readUTF8(items[readUnsignedShort(index)], buf);
+        return readStringish(index, buf);
     }
 
     /**
-     * Reads a CONSTANT_Module_info item in {@code b}. This method is intended
-     * for {@link Attribute} sub classes, and is normally not needed by class
-     * generators or adapters.
+     * Reads a module constant pool item in {@link #b b}. <i>This method is
+     * intended for {@link Attribute} sub classes, and is normally not needed by
+     * class generators or adapters.</i>
      *
-     * @param  index
-     *         the start index of an unsigned short value in {@link #b b},
-     *         whose value is the index of a module constant pool item.
-     * @param  buf
-     *         buffer to be used to read the item. This buffer must be
-     *         sufficiently large. It is not automatically resized.
+     * @param index
+     *            the start index of an unsigned short value in {@link #b b},
+     *            whose value is the index of a module constant pool item.
+     * @param buf
+     *            buffer to be used to read the item. This buffer must be
+     *            sufficiently large. It is not automatically resized.
      * @return the String corresponding to the specified module item.
      */
-    public String readModule(int index, char[] buf) {
-        return readUTF8(items[readUnsignedShort(index)], buf);
+    public String readModule(final int index, final char[] buf) {
+        return readStringish(index, buf);
     }
 
     /**
-     * Reads a CONSTANT_Package_info item in {@code b}.  This method is
-     * intended for {@link Attribute} sub slasses, and is normally not needed
-     * by class generators or adapters.
+     * Reads a module constant pool item in {@link #b b}. <i>This method is
+     * intended for {@link Attribute} sub classes, and is normally not needed by
+     * class generators or adapters.</i>
      *
-     * @param  index
-     *         the start index of an unsigned short value in {@link #b b},
-     *         whose value is the index of a package constant pool item.
-     * @param  buf
-     *         buffer to be used to read the item. This buffer must be
-     *         sufficiently large. It is not automatically resized.
-     * @return the String corresponding to the specified package item.
+     * @param index
+     *            the start index of an unsigned short value in {@link #b b},
+     *            whose value is the index of a module constant pool item.
+     * @param buf
+     *            buffer to be used to read the item. This buffer must be
+     *            sufficiently large. It is not automatically resized.
+     * @return the String corresponding to the specified module item.
      */
-    public String readPackage(int index, char[] buf) {
-        return readUTF8(items[readUnsignedShort(index)], buf);
+    public String readPackage(final int index, final char[] buf) {
+        return readStringish(index, buf);
     }
 
     /**
@@ -2550,8 +2765,6 @@ public class ClassReader {
         case ClassWriter.DOUBLE:
             return Double.longBitsToDouble(readLong(index));
         case ClassWriter.CLASS:
-        case ClassWriter.MODULE:
-        case ClassWriter.PACKAGE:
             return Type.getObjectType(readUTF8(index, buf));
         case ClassWriter.STR:
             return readUTF8(index, buf);

src/org/redkale/asm/ClassVisitor.java

@@ -61,7 +61,7 @@ package org.redkale.asm;
 /**
  * A visitor to visit a Java class. The methods of this class must be called in
  * the following order: <tt>visit</tt> [ <tt>visitSource</tt> ] [
- * <tt>visitOuterClass</tt> ] ( <tt>visitAnnotation</tt> |
+ * <tt>visitModule</tt> ][ <tt>visitOuterClass</tt> ] ( <tt>visitAnnotation</tt> |
  * <tt>visitTypeAnnotation</tt> | <tt>visitAttribute</tt> )* (
  * <tt>visitInnerClass</tt> | <tt>visitField</tt> | <tt>visitMethod</tt> )*
  * <tt>visitEnd</tt>.
@@ -72,7 +72,7 @@ public abstract class ClassVisitor {
 
     /**
      * The ASM API version implemented by this visitor. The value of this field
-     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     protected final int api;
 
@@ -87,7 +87,7 @@ public abstract class ClassVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     public ClassVisitor(final int api) {
         this(api, null);
@@ -98,15 +98,12 @@ public abstract class ClassVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      * @param cv
      *            the class visitor to which this visitor must delegate method
      *            calls. May be null.
      */
     public ClassVisitor(final int api, final ClassVisitor cv) {
-        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
-            throw new IllegalArgumentException();
-        }
         this.api = api;
         this.cv = cv;
     }
@@ -160,6 +157,28 @@ public abstract class ClassVisitor {
         }
     }
 
+    /**
+     * Visit the module corresponding to the class.
+     * @param name
+     *            module name
+     * @param access
+     *            module flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC}
+     *            and {@code ACC_MANDATED}.
+     * @param version
+     *            module version or null.
+     * @return a visitor to visit the module values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this module.
+     */
+    public ModuleVisitor visitModule(String name, int access, String version) {
+        if (api < Opcodes.ASM6) {
+            throw new RuntimeException();
+        }
+        if (cv != null) {
+            return cv.visitModule(name, access, version);
+        }
+        return null;
+    }
+
     /**
      * Visits the enclosing class of the class. This method must be called only
      * if the class has an enclosing class.
@@ -222,9 +241,6 @@ public abstract class ClassVisitor {
      */
     public AnnotationVisitor visitTypeAnnotation(int typeRef,
             TypePath typePath, String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (cv != null) {
             return cv.visitTypeAnnotation(typeRef, typePath, desc, visible);
         }

src/org/redkale/asm/ClassWriter.java

@@ -87,8 +87,8 @@ public class ClassWriter extends ClassVisitor {
      * {@link MethodVisitor#visitFrame} method are ignored, and the stack map
      * frames are recomputed from the methods bytecode. The arguments of the
      * {@link MethodVisitor#visitMaxs visitMaxs} method are also ignored and
-     * recomputed from the bytecode. In other words, computeFrames implies
-     * computeMaxs.
+     * recomputed from the bytecode. In other words, COMPUTE_FRAMES implies
+     * COMPUTE_MAXS.
      *
      * @see #ClassWriter(int)
      */
@@ -196,6 +196,27 @@ public class ClassWriter extends ClassVisitor {
      */
     static final int WIDE_INSN = 17;
 
+    /**
+     * The type of the ASM pseudo instructions with an unsigned 2 bytes offset
+     * label (see Label#resolve).
+     */
+    static final int ASM_LABEL_INSN = 18;
+
+    /**
+     * The type of the ASM pseudo instructions with a 4 bytes offset label.
+     */
+    static final int ASM_LABELW_INSN = 19;
+
+    /**
+     * Represents a frame inserted between already existing frames. This kind of
+     * frame can only be used if the frame content can be computed from the
+     * previous existing frame and from the instructions between this existing
+     * frame and the inserted one, without any knowledge of the type hierarchy.
+     * This kind of frame is only used when an unconditional jump is inserted in
+     * a method while expanding an ASM pseudo instruction (see ClassReader).
+     */
+    static final int F_INSERT = 256;
+
     /**
      * The instruction types of all JVM opcodes.
      */
@@ -284,7 +305,7 @@ public class ClassWriter extends ClassVisitor {
     /**
      * The base value for all CONSTANT_MethodHandle constant pool items.
      * Internally, ASM store the 9 variations of CONSTANT_MethodHandle into 9
-     * different items.
+     * different items (from 21 to 29).
      */
     static final int HANDLE_BASE = 20;
 
@@ -433,6 +454,11 @@ public class ClassWriter extends ClassVisitor {
      */
     private ByteVector sourceDebug;
 
+    /**
+     * The module attribute of this class.
+     */
+    private ModuleWriter moduleWriter;
+
     /**
      * The constant pool item that contains the name of the enclosing class of
      * this class.
@@ -523,25 +549,19 @@ public class ClassWriter extends ClassVisitor {
     MethodWriter lastMethod;
 
     /**
-     * <tt>true</tt> if the maximum stack size and number of local variables
-     * must be automatically computed.
+     * Indicates what must be automatically computed.
+     *
+     * @see MethodWriter#compute
      */
-    private boolean computeMaxs;
+    private int compute;
 
     /**
-     * <tt>true</tt> if the stack map frames must be recomputed from scratch.
+     * <tt>true</tt> if some methods have wide forward jumps using ASM pseudo
+     * instructions, which need to be expanded into sequences of standard
+     * bytecode instructions. In this case the class is re-read and re-written
+     * with a ClassReader -> ClassWriter chain to perform this transformation.
      */
-    private boolean computeFrames;
-
-    /**
-     * <tt>true</tt> if the stack map tables of this class are invalid. The
-     * {@link MethodWriter#resizeInstructions} method cannot transform existing
-     * stack map tables, and so produces potentially invalid classes when it is
-     * executed. In this case the class is reread and rewritten with the
-     * {@link #COMPUTE_FRAMES} option (the resizeInstructions method can resize
-     * stack map tables when this option is used).
-     */
-    boolean invalidFrames;
+    boolean hasAsmInsns;
 
     // ------------------------------------------------------------------------
     // Static initializer
@@ -552,11 +572,11 @@ public class ClassWriter extends ClassVisitor {
      */
     static {
         int i;
-        byte[] b = new byte[220];
+        byte[] b = new byte[221];
         String s = "AAAAAAAAAAAAAAAABCLMMDDDDDEEEEEEEEEEEEEEEEEEEEAAAAAAAADD"
                 + "DDDEEEEEEEEEEEEEEEEEEEEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
                 + "AAAAAAAAAAAAAAAAANAAAAAAAAAAAAAAAAAAAAJJJJJJJJJJJJJJJJDOPAA"
-                + "AAAAGGGGGGGHIFBFAAFFAARQJJKKJJJJJJJJJJJJJJJJJJ";
+                + "AAAAGGGGGGGHIFBFAAFFAARQJJKKSSSSSSSSSSSSSSSSSST";
         for (i = 0; i < b.length; ++i) {
             b[i] = (byte) (s.charAt(i) - 'A');
         }
@@ -610,8 +630,9 @@ public class ClassWriter extends ClassVisitor {
         // // temporary opcodes used internally by ASM - see Label and
         // MethodWriter
         // for (i = 202; i < 220; ++i) {
-        // b[i] = LABEL_INSN;
+        // b[i] = ASM_LABEL_INSN;
         // }
+        // b[220] = ASM_LABELW_INSN;
         //
         // // LDC(_W) instructions
         // b[Constants.LDC] = LDC_INSN;
@@ -644,7 +665,7 @@ public class ClassWriter extends ClassVisitor {
      *            {@link #COMPUTE_FRAMES}.
      */
     public ClassWriter(final int flags) {
-        super(Opcodes.ASM5);
+        super(Opcodes.ASM6);
         index = 1;
         pool = new ByteVector();
         items = new Item[256];
@@ -653,8 +674,9 @@ public class ClassWriter extends ClassVisitor {
         key2 = new Item();
         key3 = new Item();
         key4 = new Item();
-        this.computeMaxs = (flags & COMPUTE_MAXS) != 0;
-        this.computeFrames = (flags & COMPUTE_FRAMES) != 0;
+        this.compute = (flags & COMPUTE_FRAMES) != 0 ? MethodWriter.FRAMES
+                : ((flags & COMPUTE_MAXS) != 0 ? MethodWriter.MAXS
+                        : MethodWriter.NOTHING);
     }
 
     /**
@@ -684,9 +706,9 @@ public class ClassWriter extends ClassVisitor {
      * @param flags
      *            option flags that can be used to modify the default behavior
      *            of this class. <i>These option flags do not affect methods
-     *            that are copied as is in the new class. This means that the
-     *            maximum stack size nor the stack frames will be computed for
-     *            these methods</i>. See {@link #COMPUTE_MAXS},
+     *            that are copied as is in the new class. This means that
+     *            neither the maximum stack size nor the stack frames will be
+     *            computed for these methods</i>. See {@link #COMPUTE_MAXS},
      *            {@link #COMPUTE_FRAMES}.
      */
     public ClassWriter(final ClassReader classReader, final int flags) {
@@ -705,9 +727,9 @@ public class ClassWriter extends ClassVisitor {
             final String[] interfaces) {
         this.version = version;
         this.access = access;
-        this.name = (name == null) ? 0 : newClass(name);
+        this.name = newClass(name);
         thisName = name;
-        if (ClassReader.SIGNATURES && signature != null) {
+        if (signature != null) {
             this.signature = newUTF8(signature);
         }
         this.superName = superName == null ? 0 : newClass(superName);
@@ -731,6 +753,14 @@ public class ClassWriter extends ClassVisitor {
         }
     }
 
+    @Override
+    public final ModuleVisitor visitModule(final String name,
+            final int access, final String version) {
+        return moduleWriter = new ModuleWriter(this,
+                newModule(name), access,
+                version == null ? 0 : newUTF8(version));
+    }
+
     @Override
     public final void visitOuterClass(final String owner, final String name,
             final String desc) {
@@ -743,9 +773,6 @@ public class ClassWriter extends ClassVisitor {
     @Override
     public final AnnotationVisitor visitAnnotation(final String desc,
             final boolean visible) {
-        if (!ClassReader.ANNOTATIONS) {
-            return null;
-        }
         ByteVector bv = new ByteVector();
         // write type, and reserve space for values count
         bv.putShort(newUTF8(desc)).putShort(0);
@@ -763,9 +790,6 @@ public class ClassWriter extends ClassVisitor {
     @Override
     public final AnnotationVisitor visitTypeAnnotation(int typeRef,
             TypePath typePath, final String desc, final boolean visible) {
-        if (!ClassReader.ANNOTATIONS) {
-            return null;
-        }
         ByteVector bv = new ByteVector();
         // write target_type and target_info
         AnnotationWriter.putTarget(typeRef, typePath, bv);
@@ -805,7 +829,7 @@ public class ClassWriter extends ClassVisitor {
         // and equality tests). If so we store the index of this inner class
         // entry (plus one) in intVal. This hack allows duplicate detection in
         // O(1) time.
-        Item nameItem = newClassItem(name);
+        Item nameItem = newStringishItem(CLASS, name);
         if (nameItem.intVal == 0) {
             ++innerClassesCount;
             innerClasses.putShort(nameItem.index);
@@ -830,7 +854,7 @@ public class ClassWriter extends ClassVisitor {
     public final MethodVisitor visitMethod(final int access, final String name,
             final String desc, final String signature, final String[] exceptions) {
         return new MethodWriter(this, access, name, desc, signature,
-                exceptions, computeMaxs, computeFrames);
+                exceptions, compute);
     }
 
     @Override
@@ -874,7 +898,7 @@ public class ClassWriter extends ClassVisitor {
             size += 8 + bootstrapMethods.length;
             newUTF8("BootstrapMethods");
         }
-        if (ClassReader.SIGNATURES && signature != 0) {
+        if (signature != 0) {
             ++attributeCount;
             size += 8;
             newUTF8("Signature");
@@ -912,26 +936,31 @@ public class ClassWriter extends ClassVisitor {
             size += 8 + innerClasses.length;
             newUTF8("InnerClasses");
         }
-        if (ClassReader.ANNOTATIONS && anns != null) {
+        if (anns != null) {
             ++attributeCount;
             size += 8 + anns.getSize();
             newUTF8("RuntimeVisibleAnnotations");
         }
-        if (ClassReader.ANNOTATIONS && ianns != null) {
+        if (ianns != null) {
             ++attributeCount;
             size += 8 + ianns.getSize();
             newUTF8("RuntimeInvisibleAnnotations");
         }
-        if (ClassReader.ANNOTATIONS && tanns != null) {
+        if (tanns != null) {
             ++attributeCount;
             size += 8 + tanns.getSize();
             newUTF8("RuntimeVisibleTypeAnnotations");
         }
-        if (ClassReader.ANNOTATIONS && itanns != null) {
+        if (itanns != null) {
             ++attributeCount;
             size += 8 + itanns.getSize();
             newUTF8("RuntimeInvisibleTypeAnnotations");
         }
+        if (moduleWriter != null) {
+            attributeCount += 1 + moduleWriter.attributeCount;
+            size += 6 + moduleWriter.size + moduleWriter.attributesSize;
+            newUTF8("Module");
+        }
         if (attrs != null) {
             attributeCount += attrs.getCount();
             size += attrs.getSize(this, null, 0, -1, -1);
@@ -968,7 +997,7 @@ public class ClassWriter extends ClassVisitor {
                     bootstrapMethodsCount);
             out.putByteArray(bootstrapMethods.data, 0, bootstrapMethods.length);
         }
-        if (ClassReader.SIGNATURES && signature != 0) {
+        if (signature != 0) {
             out.putShort(newUTF8("Signature")).putInt(2).putShort(signature);
         }
         if (sourceFile != 0) {
@@ -979,6 +1008,11 @@ public class ClassWriter extends ClassVisitor {
             out.putShort(newUTF8("SourceDebugExtension")).putInt(len);
             out.putByteArray(sourceDebug.data, 0, len);
         }
+        if (moduleWriter != null) {
+            out.putShort(newUTF8("Module"));
+            moduleWriter.put(out);
+            moduleWriter.putAttributes(out);
+        }
         if (enclosingMethodOwner != 0) {
             out.putShort(newUTF8("EnclosingMethod")).putInt(4);
             out.putShort(enclosingMethodOwner).putShort(enclosingMethod);
@@ -997,41 +1031,46 @@ public class ClassWriter extends ClassVisitor {
             out.putInt(innerClasses.length + 2).putShort(innerClassesCount);
             out.putByteArray(innerClasses.data, 0, innerClasses.length);
         }
-        if (ClassReader.ANNOTATIONS && anns != null) {
+        if (anns != null) {
             out.putShort(newUTF8("RuntimeVisibleAnnotations"));
             anns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && ianns != null) {
+        if (ianns != null) {
             out.putShort(newUTF8("RuntimeInvisibleAnnotations"));
             ianns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && tanns != null) {
+        if (tanns != null) {
             out.putShort(newUTF8("RuntimeVisibleTypeAnnotations"));
             tanns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && itanns != null) {
+        if (itanns != null) {
             out.putShort(newUTF8("RuntimeInvisibleTypeAnnotations"));
             itanns.put(out);
         }
         if (attrs != null) {
             attrs.put(this, null, 0, -1, -1, out);
         }
-        if (invalidFrames) {
+        if (hasAsmInsns) {
+            boolean hasFrames = false;
+            mb = firstMethod;
+            while (mb != null) {
+                hasFrames |= mb.frameCount > 0;
+                mb = (MethodWriter) mb.mv;
+            }
             anns = null;
             ianns = null;
             attrs = null;
-            innerClassesCount = 0;
-            innerClasses = null;
-            bootstrapMethodsCount = 0;
-            bootstrapMethods = null;
+            moduleWriter = null;
             firstField = null;
             lastField = null;
             firstMethod = null;
             lastMethod = null;
-            computeMaxs = false;
-            computeFrames = true;
-            invalidFrames = false;
-            new ClassReader(out.data).accept(this, ClassReader.SKIP_FRAMES);
+            compute =
+                hasFrames ? MethodWriter.INSERTED_FRAMES : MethodWriter.NOTHING;
+            hasAsmInsns = false;
+            new ClassReader(out.data).accept(this,
+                    (hasFrames ? ClassReader.EXPAND_FRAMES : 0)
+                    | ClassReader.EXPAND_ASM_INSNS);
             return toByteArray();
         }
         return out.data;
@@ -1078,16 +1117,16 @@ public class ClassWriter extends ClassVisitor {
             double val = ((Double) cst).doubleValue();
             return newDouble(val);
         } else if (cst instanceof String) {
-            return newString((String) cst);
+            return newStringishItem(STR, (String) cst);
         } else if (cst instanceof Type) {
             Type t = (Type) cst;
             int s = t.getSort();
             if (s == Type.OBJECT) {
-                return newClassItem(t.getInternalName());
+                return newStringishItem(CLASS, t.getInternalName());
             } else if (s == Type.METHOD) {
-                return newMethodTypeItem(t.getDescriptor());
+                return newStringishItem(MTYPE, t.getDescriptor());
             } else { // s == primitive type or array
-                return newClassItem(t.getDescriptor());
+                return newStringishItem(CLASS, t.getDescriptor());
             }
         } else if (cst instanceof Handle) {
             Handle h = (Handle) cst;
@@ -1136,20 +1175,21 @@ public class ClassWriter extends ClassVisitor {
     }
 
     /**
-     * Adds a class reference to the constant pool of the class being build.
+     * Adds a string reference, a class reference, a method type, a module
+     * or a package to the constant pool of the class being build.
      * Does nothing if the constant pool already contains a similar item.
-     * <i>This method is intended for {@link Attribute} sub classes, and is
-     * normally not needed by class generators or adapters.</i>
      *
+     * @param type
+     *            a type among STR, CLASS, MTYPE, MODULE or PACKAGE
      * @param value
-     *            the internal name of the class.
-     * @return a new or already existing class reference item.
+     *            string value of the reference.
+     * @return a new or already existing reference item.
      */
-    Item newClassItem(final String value) {
-        key2.set(CLASS, value, null, null);
+    Item newStringishItem(final int type, final String value) {
+        key2.set(type, value, null, null);
         Item result = get(key2);
         if (result == null) {
-            pool.put12(CLASS, newUTF8(value));
+            pool.put12(type, newUTF8(value));
             result = new Item(index++, key2);
             put(result);
         }
@@ -1167,72 +1207,7 @@ public class ClassWriter extends ClassVisitor {
      * @return the index of a new or already existing class reference item.
      */
     public int newClass(final String value) {
-        return newClassItem(value).index;
-    }
-
-    /**
-     * Adds a module name to the constant pool.
-     *
-     * Does nothing if the constant pool already contains a similar item.
-     * <i>This method is intended for {@link Attribute} sub classes, and is
-     * normally not needed by class generators or adapters.</i>
-     *
-     * @param  value
-     *         the module name
-     * @return the index of a new or already existing module reference item.
-     */
-    public int newModule(String value) {
-        key2.set(MODULE, value, null, null);
-        Item result = get(key2);
-        if (result == null) {
-            pool.put12(MODULE, newUTF8(value));
-            result = new Item(index++, key2);
-            put(result);
-        }
-        return result.index;
-    }
-
-    /**
-     * Adds a package name to the constant pool.
-     *
-     * Does nothing if the constant pool already contains a similar item.
-     * <i>This method is intended for {@link Attribute} sub classes, and is
-     * normally not needed by class generators or adapters.</i>
-     *
-     * @param  value
-     *         the internal name of the package.
-     * @return the index of a new or already existing package reference item.
-     */
-    public int newPackage(String value) {
-        key2.set(PACKAGE, value, null, null);
-        Item result = get(key2);
-        if (result == null) {
-            pool.put12(PACKAGE, newUTF8(value));
-            result = new Item(index++, key2);
-            put(result);
-        }
-        return result.index;
-    }
-
-    /**
-     * Adds a method type reference to the constant pool of the class being
-     * build. Does nothing if the constant pool already contains a similar item.
-     * <i>This method is intended for {@link Attribute} sub classes, and is
-     * normally not needed by class generators or adapters.</i>
-     *
-     * @param methodDesc
-     *            method descriptor of the method type.
-     * @return a new or already existing method type reference item.
-     */
-    Item newMethodTypeItem(final String methodDesc) {
-        key2.set(MTYPE, methodDesc, null, null);
-        Item result = get(key2);
-        if (result == null) {
-            pool.put12(MTYPE, newUTF8(methodDesc));
-            result = new Item(index++, key2);
-            put(result);
-        }
-        return result;
+        return newStringishItem(CLASS, value).index;
     }
 
     /**
@@ -1247,7 +1222,37 @@ public class ClassWriter extends ClassVisitor {
      *         item.
      */
     public int newMethodType(final String methodDesc) {
-        return newMethodTypeItem(methodDesc).index;
+        return newStringishItem(MTYPE, methodDesc).index;
+    }
+
+    /**
+     * Adds a module reference to the constant pool of the class being
+     * build. Does nothing if the constant pool already contains a similar item.
+     * <i>This method is intended for {@link Attribute} sub classes, and is
+     * normally not needed by class generators or adapters.</i>
+     *
+     * @param moduleName
+     *            name of the module.
+     * @return the index of a new or already existing module reference
+     *         item.
+     */
+    public int newModule(final String moduleName) {
+        return newStringishItem(MODULE, moduleName).index;
+    }
+
+    /**
+     * Adds a package reference to the constant pool of the class being
+     * build. Does nothing if the constant pool already contains a similar item.
+     * <i>This method is intended for {@link Attribute} sub classes, and is
+     * normally not needed by class generators or adapters.</i>
+     *
+     * @param packageName
+     *            name of the package in its internal form.
+     * @return the index of a new or already existing module reference
+     *         item.
+     */
+    public int newPackage(final String packageName) {
+        return newStringishItem(PACKAGE, packageName).index;
     }
 
     /**
@@ -1292,38 +1297,6 @@ public class ClassWriter extends ClassVisitor {
         return result;
     }
 
-    /**
-     * Adds a handle to the constant pool of the class being build. Does nothing
-     * if the constant pool already contains a similar item. <i>This method is
-     * intended for {@link Attribute} sub classes, and is normally not needed by
-     * class generators or adapters.</i>
-     *
-     * @param tag
-     *            the kind of this handle. Must be {@link Opcodes#H_GETFIELD},
-     *            {@link Opcodes#H_GETSTATIC}, {@link Opcodes#H_PUTFIELD},
-     *            {@link Opcodes#H_PUTSTATIC}, {@link Opcodes#H_INVOKEVIRTUAL},
-     *            {@link Opcodes#H_INVOKESTATIC},
-     *            {@link Opcodes#H_INVOKESPECIAL},
-     *            {@link Opcodes#H_NEWINVOKESPECIAL} or
-     *            {@link Opcodes#H_INVOKEINTERFACE}.
-     * @param owner
-     *            the internal name of the field or method owner class.
-     * @param name
-     *            the name of the field or method.
-     * @param desc
-     *            the descriptor of the field or method.
-     * @return the index of a new or already existing method type reference
-     *         item.
-     *
-     * @deprecated this method is superseded by
-     *             {@link #newHandle(int, String, String, String, boolean)}.
-     */
-    @Deprecated
-    public int newHandle(final int tag, final String owner, final String name,
-            final String desc) {
-        return newHandle(tag, owner, name, desc, tag == Opcodes.H_INVOKEINTERFACE);
-    }
-
     /**
      * Adds a handle to the constant pool of the class being build. Does nothing
      * if the constant pool already contains a similar item. <i>This method is
@@ -1628,25 +1601,6 @@ public class ClassWriter extends ClassVisitor {
         return result;
     }
 
-    /**
-     * Adds a string to the constant pool of the class being build. Does nothing
-     * if the constant pool already contains a similar item.
-     *
-     * @param value
-     *            the String value.
-     * @return a new or already existing string item.
-     */
-    private Item newString(final String value) {
-        key2.set(STR, value, null, null);
-        Item result = get(key2);
-        if (result == null) {
-            pool.put12(STR, newUTF8(value));
-            result = new Item(index++, key2);
-            put(result);
-        }
-        return result;
-    }
-
     /**
      * Adds a name and type to the constant pool of the class being build. Does
      * nothing if the constant pool already contains a similar item. <i>This

src/org/redkale/asm/CurrentFrame.java

@@ -0,0 +1,85 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * Information about the input stack map frame at the "current" instruction of a
+ * method. This is implemented as a Frame subclass for a "basic block"
+ * containing only one instruction.
+ *
+ * @author Eric Bruneton
+ */
+class CurrentFrame extends Frame {
+
+    /**
+     * Sets this CurrentFrame to the input stack map frame of the next "current"
+     * instruction, i.e. the instruction just after the given one. It is assumed
+     * that the value of this object when this method is called is the stack map
+     * frame status just before the given instruction is executed.
+     */
+    @Override
+    void execute(int opcode, int arg, ClassWriter cw, Item item) {
+        super.execute(opcode, arg, cw, item);
+        Frame successor = new Frame();
+        merge(cw, successor, 0);
+        set(successor);
+        owner.inputStackTop = 0;
+    }
+}

src/org/redkale/asm/FieldVisitor.java

@@ -69,7 +69,7 @@ public abstract class FieldVisitor {
 
     /**
      * The ASM API version implemented by this visitor. The value of this field
-     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     protected final int api;
 
@@ -84,7 +84,7 @@ public abstract class FieldVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     public FieldVisitor(final int api) {
         this(api, null);
@@ -95,15 +95,12 @@ public abstract class FieldVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      * @param fv
      *            the field visitor to which this visitor must delegate method
      *            calls. May be null.
      */
     public FieldVisitor(final int api, final FieldVisitor fv) {
-        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
-            throw new IllegalArgumentException();
-        }
         this.api = api;
         this.fv = fv;
     }
@@ -145,9 +142,6 @@ public abstract class FieldVisitor {
      */
     public AnnotationVisitor visitTypeAnnotation(int typeRef,
             TypePath typePath, String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (fv != null) {
             return fv.visitTypeAnnotation(typeRef, typePath, desc, visible);
         }

src/org/redkale/asm/FieldWriter.java

@@ -147,7 +147,7 @@ final class FieldWriter extends FieldVisitor {
      */
     FieldWriter(final ClassWriter cw, final int access, final String name,
             final String desc, final String signature, final Object value) {
-        super(Opcodes.ASM5);
+        super(Opcodes.ASM6);
         if (cw.firstField == null) {
             cw.firstField = this;
         } else {
@@ -158,7 +158,7 @@ final class FieldWriter extends FieldVisitor {
         this.access = access;
         this.name = cw.newUTF8(name);
         this.desc = cw.newUTF8(desc);
-        if (ClassReader.SIGNATURES && signature != null) {
+        if (signature != null) {
             this.signature = cw.newUTF8(signature);
         }
         if (value != null) {
@@ -173,9 +173,6 @@ final class FieldWriter extends FieldVisitor {
     @Override
     public AnnotationVisitor visitAnnotation(final String desc,
             final boolean visible) {
-        if (!ClassReader.ANNOTATIONS) {
-            return null;
-        }
         ByteVector bv = new ByteVector();
         // write type, and reserve space for values count
         bv.putShort(cw.newUTF8(desc)).putShort(0);
@@ -193,9 +190,6 @@ final class FieldWriter extends FieldVisitor {
     @Override
     public AnnotationVisitor visitTypeAnnotation(final int typeRef,
             final TypePath typePath, final String desc, final boolean visible) {
-        if (!ClassReader.ANNOTATIONS) {
-            return null;
-        }
         ByteVector bv = new ByteVector();
         // write target_type and target_info
         AnnotationWriter.putTarget(typeRef, typePath, bv);
@@ -249,23 +243,23 @@ final class FieldWriter extends FieldVisitor {
             cw.newUTF8("Deprecated");
             size += 6;
         }
-        if (ClassReader.SIGNATURES && signature != 0) {
+        if (signature != 0) {
             cw.newUTF8("Signature");
             size += 8;
         }
-        if (ClassReader.ANNOTATIONS && anns != null) {
+        if (anns != null) {
             cw.newUTF8("RuntimeVisibleAnnotations");
             size += 8 + anns.getSize();
         }
-        if (ClassReader.ANNOTATIONS && ianns != null) {
+        if (ianns != null) {
             cw.newUTF8("RuntimeInvisibleAnnotations");
             size += 8 + ianns.getSize();
         }
-        if (ClassReader.ANNOTATIONS && tanns != null) {
+        if (tanns != null) {
             cw.newUTF8("RuntimeVisibleTypeAnnotations");
             size += 8 + tanns.getSize();
         }
-        if (ClassReader.ANNOTATIONS && itanns != null) {
+        if (itanns != null) {
             cw.newUTF8("RuntimeInvisibleTypeAnnotations");
             size += 8 + itanns.getSize();
         }
@@ -299,19 +293,19 @@ final class FieldWriter extends FieldVisitor {
         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
             ++attributeCount;
         }
-        if (ClassReader.SIGNATURES && signature != 0) {
+        if (signature != 0) {
             ++attributeCount;
         }
-        if (ClassReader.ANNOTATIONS && anns != null) {
+        if (anns != null) {
             ++attributeCount;
         }
-        if (ClassReader.ANNOTATIONS && ianns != null) {
+        if (ianns != null) {
             ++attributeCount;
         }
-        if (ClassReader.ANNOTATIONS && tanns != null) {
+        if (tanns != null) {
             ++attributeCount;
         }
-        if (ClassReader.ANNOTATIONS && itanns != null) {
+        if (itanns != null) {
             ++attributeCount;
         }
         if (attrs != null) {
@@ -331,23 +325,23 @@ final class FieldWriter extends FieldVisitor {
         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
             out.putShort(cw.newUTF8("Deprecated")).putInt(0);
         }
-        if (ClassReader.SIGNATURES && signature != 0) {
+        if (signature != 0) {
             out.putShort(cw.newUTF8("Signature"));
             out.putInt(2).putShort(signature);
         }
-        if (ClassReader.ANNOTATIONS && anns != null) {
+        if (anns != null) {
             out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
             anns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && ianns != null) {
+        if (ianns != null) {
             out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
             ianns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && tanns != null) {
+        if (tanns != null) {
             out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
             tanns.put(out);
         }
-        if (ClassReader.ANNOTATIONS && itanns != null) {
+        if (itanns != null) {
             out.putShort(cw.newUTF8("RuntimeInvisibleTypeAnnotations"));
             itanns.put(out);
         }

src/org/redkale/asm/Frame.java

@@ -63,7 +63,7 @@ package org.redkale.asm;
  *
  * @author Eric Bruneton
  */
-final class Frame {
+class Frame {
 
     /*
      * Frames are computed in a two steps process: during the visit of each
@@ -192,7 +192,7 @@ final class Frame {
     private static final int LOCAL = 0x2000000;
 
     /**
-     * Kind of the the types that are relative to the stack of an input stack
+     * Kind of the types that are relative to the stack of an input stack
      * map frame. The value of such types is a position relatively to the top of
      * this stack.
      */
@@ -525,7 +525,7 @@ final class Frame {
      * When the stack map frames are completely computed, this field is the
      * actual number of types in {@link #outputStack}.
      */
-    private int outputStackTop;
+    int outputStackTop;
 
     /**
      * Number of types that are initialized in the basic block.
@@ -549,6 +549,110 @@ final class Frame {
      */
     private int[] initializations;
 
+    /**
+     * Sets this frame to the given value.
+     *
+     * @param cw
+     *            the ClassWriter to which this label belongs.
+     * @param nLocal
+     *            the number of local variables.
+     * @param local
+     *            the local variable types. Primitive types are represented by
+     *            {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
+     *            {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
+     *            {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
+     *            {@link Opcodes#UNINITIALIZED_THIS} (long and double are
+     *            represented by a single element). Reference types are
+     *            represented by String objects (representing internal names),
+     *            and uninitialized types by Label objects (this label
+     *            designates the NEW instruction that created this uninitialized
+     *            value).
+     * @param nStack
+     *            the number of operand stack elements.
+     * @param stack
+     *            the operand stack types (same format as the "local" array).
+     */
+    final void set(ClassWriter cw, final int nLocal, final Object[] local,
+            final int nStack, final Object[] stack) {
+        int i = convert(cw, nLocal, local, inputLocals);
+        while (i < local.length) {
+            inputLocals[i++] = TOP;
+        }
+        int nStackTop = 0;
+        for (int j = 0; j < nStack; ++j) {
+            if (stack[j] == Opcodes.LONG || stack[j] == Opcodes.DOUBLE) {
+                ++nStackTop;
+            }
+        }
+        inputStack = new int[nStack + nStackTop];
+        convert(cw, nStack, stack, inputStack);
+        outputStackTop = 0;
+        initializationCount = 0;
+    }
+
+    /**
+     * Converts types from the MethodWriter.visitFrame() format to the Frame
+     * format.
+     *
+     * @param cw
+     *            the ClassWriter to which this label belongs.
+     * @param nInput
+     *            the number of types to convert.
+     * @param input
+     *            the types to convert. Primitive types are represented by
+     *            {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
+     *            {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
+     *            {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
+     *            {@link Opcodes#UNINITIALIZED_THIS} (long and double are
+     *            represented by a single element). Reference types are
+     *            represented by String objects (representing internal names),
+     *            and uninitialized types by Label objects (this label
+     *            designates the NEW instruction that created this uninitialized
+     *            value).
+     * @param output
+     *            where to store the converted types.
+     * @return the number of output elements.
+     */
+    private static int convert(ClassWriter cw, int nInput, Object[] input,
+            int[] output) {
+        int i = 0;
+        for (int j = 0; j < nInput; ++j) {
+            if (input[j] instanceof Integer) {
+                output[i++] = BASE | ((Integer) input[j]).intValue();
+                if (input[j] == Opcodes.LONG || input[j] == Opcodes.DOUBLE) {
+                    output[i++] = TOP;
+                }
+            } else if (input[j] instanceof String) {
+                output[i++] = type(cw, Type.getObjectType((String) input[j])
+                        .getDescriptor());
+            } else {
+                output[i++] = UNINITIALIZED
+                        | cw.addUninitializedType("",
+                                ((Label) input[j]).position);
+            }
+        }
+        return i;
+    }
+
+    /**
+     * Sets this frame to the value of the given frame. WARNING: after this
+     * method is called the two frames share the same data structures. It is
+     * recommended to discard the given frame f to avoid unexpected side
+     * effects.
+     *
+     * @param f
+     *            The new frame value.
+     */
+    final void set(final Frame f) {
+        inputLocals = f.inputLocals;
+        inputStack = f.inputStack;
+        outputLocals = f.outputLocals;
+        outputStack = f.outputStack;
+        outputStackTop = f.outputStackTop;
+        initializationCount = f.initializationCount;
+        initializations = f.initializations;
+    }
+
     /**
      * Returns the output frame local variable type at the given index.
      *
@@ -614,7 +718,7 @@ final class Frame {
         }
         // pushes the type on the output stack
         outputStack[outputStackTop++] = type;
-        // updates the maximun height reached by the output stack, if needed
+        // updates the maximum height reached by the output stack, if needed
         int top = owner.inputStackTop + outputStackTop;
         if (top > owner.outputStackMax) {
             owner.outputStackMax = top;
@@ -650,7 +754,7 @@ final class Frame {
      *            a type descriptor.
      * @return the int encoding of the given type.
      */
-    private static int type(final ClassWriter cw, final String desc) {
+    static int type(final ClassWriter cw, final String desc) {
         String t;
         int index = desc.charAt(0) == '(' ? desc.indexOf(')') + 1 : 0;
         switch (desc.charAt(index)) {
@@ -838,7 +942,7 @@ final class Frame {
      * @param maxLocals
      *            the maximum number of local variables of this method.
      */
-    void initInputFrame(final ClassWriter cw, final int access,
+    final void initInputFrame(final ClassWriter cw, final int access,
             final Type[] args, final int maxLocals) {
         inputLocals = new int[maxLocals];
         inputStack = new int[0];
@@ -981,7 +1085,7 @@ final class Frame {
         case Opcodes.AALOAD:
             pop(1);
             t1 = pop();
-            push(ELEMENT_OF + t1);
+            push(t1 == NULL ? t1 : ELEMENT_OF + t1);
             break;
         case Opcodes.ISTORE:
         case Opcodes.FSTORE:
@@ -1312,7 +1416,7 @@ final class Frame {
      * @return <tt>true</tt> if the input frame of the given label has been
      *         changed by this operation.
      */
-    boolean merge(final ClassWriter cw, final Frame frame, final int edge) {
+    final boolean merge(final ClassWriter cw, final Frame frame, final int edge) {
         boolean changed = false;
         int i, s, dim, kind, t;
 

src/org/redkale/asm/Handle.java

@@ -99,34 +99,6 @@ public final class Handle {
      */
     final boolean itf;
 
-    /**
-     * Constructs a new field or method handle.
-     *
-     * @param tag
-     *            the kind of field or method designated by this Handle. Must be
-     *            {@link Opcodes#H_GETFIELD}, {@link Opcodes#H_GETSTATIC},
-     *            {@link Opcodes#H_PUTFIELD}, {@link Opcodes#H_PUTSTATIC},
-     *            {@link Opcodes#H_INVOKEVIRTUAL},
-     *            {@link Opcodes#H_INVOKESTATIC},
-     *            {@link Opcodes#H_INVOKESPECIAL},
-     *            {@link Opcodes#H_NEWINVOKESPECIAL} or
-     *            {@link Opcodes#H_INVOKEINTERFACE}.
-     * @param owner
-     *            the internal name of the class that owns the field or method
-     *            designated by this handle.
-     * @param name
-     *            the name of the field or method designated by this handle.
-     * @param desc
-     *            the descriptor of the field or method designated by this
-     *            handle.
-     *
-     * @deprecated this constructor has been superseded
-     *             by {@link #Handle(int, String, String, String, boolean)}.
-     */
-    @Deprecated
-    public Handle(int tag, String owner, String name, String desc) {
-        this(tag, owner, name, desc, tag == Opcodes.H_INVOKEINTERFACE);
-    }
 
     /**
      * Constructs a new field or method handle.

src/org/redkale/asm/Item.java

@@ -80,6 +80,7 @@ final class Item {
      * {@link ClassWriter#STR}, {@link ClassWriter#CLASS},
      * {@link ClassWriter#NAME_TYPE}, {@link ClassWriter#FIELD},
      * {@link ClassWriter#METH}, {@link ClassWriter#IMETH},
+     * {@link ClassWriter#MODULE}, {@link ClassWriter#PACKAGE},
      * {@link ClassWriter#MTYPE}, {@link ClassWriter#INDY}.
      *
      * MethodHandle constant 9 variations are stored using a range of 9 values
@@ -239,12 +240,12 @@ final class Item {
         this.strVal3 = strVal3;
         switch (type) {
         case ClassWriter.CLASS:
-        case ClassWriter.MODULE:
-        case ClassWriter.PACKAGE:
             this.intVal = 0;     // intVal of a class must be zero, see visitInnerClass
         case ClassWriter.UTF8:
         case ClassWriter.STR:
         case ClassWriter.MTYPE:
+        case ClassWriter.MODULE:
+        case ClassWriter.PACKAGE:
         case ClassWriter.TYPE_NORMAL:
             hashCode = 0x7FFFFFFF & (type + strVal1.hashCode());
             return;

src/org/redkale/asm/Label.java

@@ -139,7 +139,8 @@ public class Label {
     /**
      * Field used to associate user information to a label. Warning: this field
      * is used by the ASM tree package. In order to use it with the ASM tree
-     * package you must override the method.
+     * package you must override the
+     * 
      */
     public Object info;
 
@@ -388,13 +389,12 @@ public class Label {
      *            the position of this label in the bytecode.
      * @param data
      *            the bytecode of the method.
-     * @return <tt>true</tt> if a blank that was left for this label was to
+     * @return <tt>true</tt> if a blank that was left for this label was too
      *         small to store the offset. In such a case the corresponding jump
      *         instruction is replaced with a pseudo instruction (using unused
      *         opcodes) using an unsigned two bytes offset. These pseudo
-     *         instructions will need to be replaced with true instructions with
-     *         wider offsets (4 bytes instead of 2). This is done in
-     *         {@link MethodWriter#resizeInstructions}.
+     *         instructions will be replaced with standard bytecode instructions
+     *         with wider offsets (4 bytes instead of 2), in ClassReader.
      * @throws IllegalArgumentException
      *             if this label has already been resolved, or if it has not
      *             been created by the given code writer.
@@ -453,7 +453,7 @@ public class Label {
      * @return the first label of the series to which this label belongs.
      */
     Label getFirst() {
-        return !ClassReader.FRAMES || frame == null ? this : frame.owner;
+        return frame == null ? this : frame.owner;
     }
 
     // ------------------------------------------------------------------------

src/org/redkale/asm/MethodVisitor.java

@@ -86,7 +86,7 @@ public abstract class MethodVisitor {
 
     /**
      * The ASM API version implemented by this visitor. The value of this field
-     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * must be one of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     protected final int api;
 
@@ -101,7 +101,7 @@ public abstract class MethodVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      */
     public MethodVisitor(final int api) {
         this(api, null);
@@ -112,15 +112,12 @@ public abstract class MethodVisitor {
      *
      * @param api
      *            the ASM API version implemented by this visitor. Must be one
-     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
      * @param mv
      *            the method visitor to which this visitor must delegate method
      *            calls. May be null.
      */
     public MethodVisitor(final int api, final MethodVisitor mv) {
-        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
-            throw new IllegalArgumentException();
-        }
         this.api = api;
         this.mv = mv;
     }
@@ -140,9 +137,6 @@ public abstract class MethodVisitor {
      *            allowed (see {@link Opcodes}).
      */
     public void visitParameter(String name, int access) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (mv != null) {
             mv.visitParameter(name, access);
         }
@@ -209,9 +203,6 @@ public abstract class MethodVisitor {
      */
     public AnnotationVisitor visitTypeAnnotation(int typeRef,
             TypePath typePath, String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (mv != null) {
             return mv.visitTypeAnnotation(typeRef, typePath, desc, visible);
         }
@@ -453,34 +444,6 @@ public abstract class MethodVisitor {
         }
     }
 
-    /**
-     * Visits a method instruction. A method instruction is an instruction that
-     * invokes a method.
-     *
-     * @param opcode
-     *            the opcode of the type instruction to be visited. This opcode
-     *            is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
-     *            INVOKEINTERFACE.
-     * @param owner
-     *            the internal name of the method's owner class (see
-     *            {@link Type#getInternalName() getInternalName}).
-     * @param name
-     *            the method's name.
-     * @param desc
-     *            the method's descriptor (see {@link Type Type}).
-     */
-    @Deprecated
-    public void visitMethodInsn(int opcode, String owner, String name,
-            String desc) {
-        if (api >= Opcodes.ASM5) {
-            boolean itf = opcode == Opcodes.INVOKEINTERFACE;
-            visitMethodInsn(opcode, owner, name, desc, itf);
-            return;
-        }
-        if (mv != null) {
-            mv.visitMethodInsn(opcode, owner, name, desc);
-        }
-    }
 
     /**
      * Visits a method instruction. A method instruction is an instruction that
@@ -502,14 +465,6 @@ public abstract class MethodVisitor {
      */
     public void visitMethodInsn(int opcode, String owner, String name,
             String desc, boolean itf) {
-        if (api < Opcodes.ASM5) {
-            if (itf != (opcode == Opcodes.INVOKEINTERFACE)) {
-                throw new IllegalArgumentException(
-                        "INVOKESPECIAL/STATIC on interfaces require ASM 5");
-            }
-            visitMethodInsn(opcode, owner, name, desc);
-            return;
-        }
         if (mv != null) {
             mv.visitMethodInsn(opcode, owner, name, desc, itf);
         }
@@ -723,9 +678,6 @@ public abstract class MethodVisitor {
      */
     public AnnotationVisitor visitInsnAnnotation(int typeRef,
             TypePath typePath, String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (mv != null) {
             return mv.visitInsnAnnotation(typeRef, typePath, desc, visible);
         }
@@ -783,9 +735,6 @@ public abstract class MethodVisitor {
      */
     public AnnotationVisitor visitTryCatchAnnotation(int typeRef,
             TypePath typePath, String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (mv != null) {
             return mv.visitTryCatchAnnotation(typeRef, typePath, desc, visible);
         }
@@ -854,9 +803,6 @@ public abstract class MethodVisitor {
     public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
             TypePath typePath, Label[] start, Label[] end, int[] index,
             String desc, boolean visible) {
-        if (api < Opcodes.ASM5) {
-            throw new RuntimeException();
-        }
         if (mv != null) {
             return mv.visitLocalVariableAnnotation(typeRef, typePath, start,
                     end, index, desc, visible);

src/org/redkale/asm/ModuleVisitor.java

@@ -0,0 +1,219 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A visitor to visit a Java module. The methods of this class must be called in
+ * the following order: <tt>visitMainClass</tt> | ( <tt>visitPackage</tt> |
+ * <tt>visitRequire</tt> | <tt>visitExport</tt> | <tt>visitOpen</tt> |
+ * <tt>visitUse</tt> | <tt>visitProvide</tt> )* <tt>visitEnd</tt>.
+ *
+ * The methods {@link #visitRequire(String, int, String)}, {@link #visitExport(String, int, String...)},
+ * {@link #visitOpen(String, int, String...)} and {@link #visitPackage(String)}
+ * take as parameter a package name or a module name. Unlike the other names which are internal names
+ * (names separated by slash), module and package names are qualified names (names separated by dot).
+ *
+ * @author Remi Forax
+ */
+public abstract class ModuleVisitor {
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be {@link Opcodes#ASM6}.
+     */
+    protected final int api;
+
+    /**
+     * The module visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected ModuleVisitor mv;
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     */
+    public ModuleVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     * @param mv
+     *            the module visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public ModuleVisitor(final int api, final ModuleVisitor mv) {
+        if (api != Opcodes.ASM6) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.mv = mv;
+    }
+
+    /**
+     * Visit the main class of the current module.
+     *
+     * @param mainClass the internal name of the main class of the current module.
+     */
+    public void visitMainClass(String mainClass) {
+        if (mv != null) {
+            mv.visitMainClass(mainClass);
+        }
+    }
+
+    /**
+     * Visit a package of the current module.
+     *
+     * @param packaze the qualified name of a package.
+     */
+    public void visitPackage(String packaze) {
+        if (mv != null) {
+            mv.visitPackage(packaze);
+        }
+    }
+
+    /**
+     * Visits a dependence of the current module.
+     *
+     * @param module the qualified name of the dependence.
+     * @param access the access flag of the dependence among
+     *        ACC_TRANSITIVE, ACC_STATIC_PHASE, ACC_SYNTHETIC
+     *        and ACC_MANDATED.
+     * @param version the module version at compile time or null.
+     */
+    public void visitRequire(String module, int access, String version) {
+        if (mv != null) {
+            mv.visitRequire(module, access, version);
+        }
+    }
+
+    /**
+     * Visit an exported package of the current module.
+     *
+     * @param packaze the qualified name of the exported package.
+     * @param access the access flag of the exported package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can access to
+     *        the public classes of the exported package or
+     *        <tt>null</tt>.
+     */
+    public void visitExport(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitExport(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit an open package of the current module.
+     *
+     * @param packaze the qualified name of the opened package.
+     * @param access the access flag of the opened package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can use deep
+     *        reflection to the classes of the open package or
+     *        <tt>null</tt>.
+     */
+    public void visitOpen(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitOpen(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit a service used by the current module.
+     * The name must be the internal name of an interface or a class.
+     *
+     * @param service the internal name of the service.
+     */
+    public void visitUse(String service) {
+        if (mv != null) {
+            mv.visitUse(service);
+        }
+    }
+
+    /**
+     * Visit an implementation of a service.
+     *
+     * @param service the internal name of the service
+     * @param providers the internal names of the implementations
+     *        of the service (there is at least one provider).
+     */
+    public void visitProvide(String service, String... providers) {
+        if (mv != null) {
+            mv.visitProvide(service, providers);
+        }
+    }
+
+    /**
+     * Visits the end of the module. This method, which is the last one to be
+     * called, is used to inform the visitor that everything have been visited.
+     */
+    public void visitEnd() {
+        if (mv != null) {
+            mv.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/ModuleWriter.java

@@ -0,0 +1,322 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * @author Remi Forax
+ */
+final class ModuleWriter extends ModuleVisitor {
+    /**
+     * The class writer to which this Module attribute must be added.
+     */
+    private final ClassWriter cw;
+
+    /**
+     * size in byte of the Module attribute.
+     */
+    int size;
+
+    /**
+     * Number of attributes associated with the current module
+     * (Version, ConcealPackages, etc)
+     */
+    int attributeCount;
+
+    /**
+     * Size in bytes of the attributes associated with the current module
+     */
+    int attributesSize;
+
+    /**
+     * module name index in the constant pool
+     */
+    private final int name;
+
+    /**
+     * module access flags
+     */
+    private final int access;
+
+    /**
+     * module version index in the constant pool or 0
+     */
+    private final int version;
+
+    /**
+     * module main class index in the constant pool or 0
+     */
+    private int mainClass;
+
+    /**
+     * number of packages
+     */
+    private int packageCount;
+
+    /**
+     * The packages in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in packageCount
+     */
+    private ByteVector packages;
+
+    /**
+     * number of requires items
+     */
+    private int requireCount;
+
+    /**
+     * The requires items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in requireCount
+     */
+    private ByteVector requires;
+
+    /**
+     * number of exports items
+     */
+    private int exportCount;
+
+    /**
+     * The exports items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in exportCount
+     */
+    private ByteVector exports;
+
+    /**
+     * number of opens items
+     */
+    private int openCount;
+
+    /**
+     * The opens items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in openCount
+     */
+    private ByteVector opens;
+
+    /**
+     * number of uses items
+     */
+    private int useCount;
+
+    /**
+     * The uses items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in useCount
+     */
+    private ByteVector uses;
+
+    /**
+     * number of provides items
+     */
+    private int provideCount;
+
+    /**
+     * The uses provides in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in provideCount
+     */
+    private ByteVector provides;
+
+    ModuleWriter(final ClassWriter cw, final int name,
+            final int access, final int version) {
+        super(Opcodes.ASM6);
+        this.cw = cw;
+        this.size = 16;  // name + access + version + 5 counts
+        this.name = name;
+        this.access = access;
+        this.version = version;
+    }
+
+    @Override
+    public void visitMainClass(String mainClass) {
+        if (this.mainClass == 0) { // protect against several calls to visitMainClass
+            cw.newUTF8("ModuleMainClass");
+            attributeCount++;
+            attributesSize += 8;
+        }
+        this.mainClass = cw.newClass(mainClass);
+    }
+
+    @Override
+    public void visitPackage(String packaze) {
+        if (packages == null) {
+            // protect against several calls to visitPackage
+            cw.newUTF8("ModulePackages");
+            packages = new ByteVector();
+            attributeCount++;
+            attributesSize += 8;
+        }
+        packages.putShort(cw.newPackage(packaze));
+        packageCount++;
+        attributesSize += 2;
+    }
+
+    @Override
+    public void visitRequire(String module, int access, String version) {
+        if (requires == null) {
+            requires = new ByteVector();
+        }
+        requires.putShort(cw.newModule(module))
+                .putShort(access)
+                .putShort(version == null? 0: cw.newUTF8(version));
+        requireCount++;
+        size += 6;
+    }
+
+    @Override
+    public void visitExport(String packaze, int access, String... modules) {
+        if (exports == null) {
+            exports = new ByteVector();
+        }
+        exports.putShort(cw.newPackage(packaze)).putShort(access);
+        if (modules == null) {
+            exports.putShort(0);
+            size += 6;
+        } else {
+            exports.putShort(modules.length);
+            for(String module: modules) {
+                exports.putShort(cw.newModule(module));
+            }
+            size += 6 + 2 * modules.length;
+        }
+        exportCount++;
+    }
+
+    @Override
+    public void visitOpen(String packaze, int access, String... modules) {
+        if (opens == null) {
+            opens = new ByteVector();
+        }
+        opens.putShort(cw.newPackage(packaze)).putShort(access);
+        if (modules == null) {
+            opens.putShort(0);
+            size += 6;
+        } else {
+            opens.putShort(modules.length);
+            for(String module: modules) {
+                opens.putShort(cw.newModule(module));
+            }
+            size += 6 + 2 * modules.length;
+        }
+        openCount++;
+    }
+
+    @Override
+    public void visitUse(String service) {
+        if (uses == null) {
+            uses = new ByteVector();
+        }
+        uses.putShort(cw.newClass(service));
+        useCount++;
+        size += 2;
+    }
+
+    @Override
+    public void visitProvide(String service, String... providers) {
+        if (provides == null) {
+            provides = new ByteVector();
+        }
+        provides.putShort(cw.newClass(service));
+        provides.putShort(providers.length);
+        for(String provider: providers) {
+            provides.putShort(cw.newClass(provider));
+        }
+        provideCount++;
+        size += 4 + 2 * providers.length;
+    }
+
+    @Override
+    public void visitEnd() {
+        // empty
+    }
+
+    void putAttributes(ByteVector out) {
+        if (mainClass != 0) {
+            out.putShort(cw.newUTF8("ModuleMainClass")).putInt(2).putShort(mainClass);
+        }
+        if (packages != null) {
+            out.putShort(cw.newUTF8("ModulePackages"))
+               .putInt(2 + 2 * packageCount)
+               .putShort(packageCount)
+               .putByteArray(packages.data, 0, packages.length);
+        }
+    }
+
+    void put(ByteVector out) {
+        out.putInt(size);
+        out.putShort(name).putShort(access).putShort(version);
+        out.putShort(requireCount);
+        if (requires != null) {
+            out.putByteArray(requires.data, 0, requires.length);
+        }
+        out.putShort(exportCount);
+        if (exports != null) {
+            out.putByteArray(exports.data, 0, exports.length);
+        }
+        out.putShort(openCount);
+        if (opens != null) {
+            out.putByteArray(opens.data, 0, opens.length);
+        }
+        out.putShort(useCount);
+        if (uses != null) {
+            out.putByteArray(uses.data, 0, uses.length);
+        }
+        out.putShort(provideCount);
+        if (provides != null) {
+            out.putByteArray(provides.data, 0, provides.length);
+        }
+    }
+}

src/org/redkale/asm/Opcodes.java

@@ -1,4 +1,33 @@
 /*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
  * ASM: a very small and fast Java bytecode manipulation framework
  * Copyright (c) 2000-2011 INRIA, France Telecom
  * All rights reserved.
@@ -41,25 +70,22 @@ package org.redkale.asm;
  * @author Eric Bruneton
  * @author Eugene Kuleshov
  */
-@SuppressWarnings("deprecation") // for Integer(int) constructor
 public interface Opcodes {
 
     // ASM API versions
 
     int ASM4 = 4 << 16 | 0 << 8 | 0;
     int ASM5 = 5 << 16 | 0 << 8 | 0;
+    int ASM6 = 6 << 16 | 0 << 8 | 0;
 
     // versions
 
-    int V1_1 = 3 << 16 | 45;
-    int V1_2 = 0 << 16 | 46;
-    int V1_3 = 0 << 16 | 47;
-    int V1_4 = 0 << 16 | 48;
     int V1_5 = 0 << 16 | 49;
     int V1_6 = 0 << 16 | 50;
     int V1_7 = 0 << 16 | 51;
     int V1_8 = 0 << 16 | 52;
-    int V1_9 = 0 << 16 | 53;
+    int V9 = 0 << 16 | 53;
+    int V10 = 0 << 16 | 54;
 
     // access flags
 
@@ -70,18 +96,23 @@ public interface Opcodes {
     int ACC_FINAL = 0x0010; // class, field, method, parameter
     int ACC_SUPER = 0x0020; // class
     int ACC_SYNCHRONIZED = 0x0020; // method
+    int ACC_OPEN = 0x0020; // module
+    int ACC_TRANSITIVE = 0x0020; // module requires
     int ACC_VOLATILE = 0x0040; // field
     int ACC_BRIDGE = 0x0040; // method
+    int ACC_STATIC_PHASE = 0x0040; // module requires
     int ACC_VARARGS = 0x0080; // method
     int ACC_TRANSIENT = 0x0080; // field
     int ACC_NATIVE = 0x0100; // method
     int ACC_INTERFACE = 0x0200; // class
     int ACC_ABSTRACT = 0x0400; // class, method
     int ACC_STRICT = 0x0800; // method
-    int ACC_SYNTHETIC = 0x1000; // class, field, method, parameter
+    int ACC_SYNTHETIC = 0x1000; // class, field, method, parameter, module *
     int ACC_ANNOTATION = 0x2000; // class
     int ACC_ENUM = 0x4000; // class(?) field inner
-    int ACC_MANDATED = 0x8000; // parameter
+    int ACC_MANDATED = 0x8000; // parameter, module, module *
+    int ACC_MODULE = 0x8000; // class
+
 
     // ASM specific pseudo access flags
 
@@ -148,15 +179,17 @@ public interface Opcodes {
      */
     int F_SAME1 = 4;
 
-    // For reference comparison purposes, construct new instances
-    // instead of using valueOf() or autoboxing.
-    Integer TOP = new Integer(0);
-    Integer INTEGER = new Integer(1);
-    Integer FLOAT = new Integer(2);
-    Integer DOUBLE = new Integer(3);
-    Integer LONG = new Integer(4);
-    Integer NULL = new Integer(5);
-    Integer UNINITIALIZED_THIS = new Integer(6);
+    // Do not try to change the following code to use auto-boxing,
+    // these values are compared by reference and not by value
+    // The constructor of Integer was deprecated in 9
+    // but we are stuck with it by backward compatibility
+    @SuppressWarnings("deprecation") Integer TOP = new Integer(0);
+    @SuppressWarnings("deprecation") Integer INTEGER = new Integer(1);
+    @SuppressWarnings("deprecation") Integer FLOAT = new Integer(2);
+    @SuppressWarnings("deprecation") Integer DOUBLE = new Integer(3);
+    @SuppressWarnings("deprecation") Integer LONG = new Integer(4);
+    @SuppressWarnings("deprecation") Integer NULL = new Integer(5);
+    @SuppressWarnings("deprecation") Integer UNINITIALIZED_THIS = new Integer(6);
 
     // opcodes // visit method (- = idem)
 

src/org/redkale/asm/Type.java

@@ -406,7 +406,16 @@ public class Type {
      */
     public static Type getReturnType(final String methodDescriptor) {
         char[] buf = methodDescriptor.toCharArray();
-        return getType(buf, methodDescriptor.indexOf(')') + 1);
+        int off = 1;
+        while (true) {
+            char car = buf[off++];
+            if (car == ')') {
+                return getType(buf, off);
+            } else if (car == 'L') {
+                while (buf[off++] != ';') {
+                }
+            }
+        }
     }
 
     /**

src/org/redkale/asm/TypeReference.java

@@ -1,427 +1,481 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package org.redkale.asm;
-
-/**
- * A reference to a type appearing in a class, field or method declaration, or
- * on an instruction. Such a reference designates the part of the class where
- * the referenced type is appearing (e.g. an 'extends', 'implements' or 'throws'
- * clause, a 'new' instruction, a 'catch' clause, a type cast, a local variable
- * declaration, etc).
- *
- * @author Eric Bruneton
- */
-public class TypeReference {
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * class. See {@link #getSort getSort}.
-     */
-    public final static int CLASS_TYPE_PARAMETER = 0x00;
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * method. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_TYPE_PARAMETER = 0x01;
-
-    /**
-     * The sort of type references that target the super class of a class or one
-     * of the interfaces it implements. See {@link #getSort getSort}.
-     */
-    public final static int CLASS_EXTENDS = 0x10;
-
-    /**
-     * The sort of type references that target a bound of a type parameter of a
-     * generic class. See {@link #getSort getSort}.
-     */
-    public final static int CLASS_TYPE_PARAMETER_BOUND = 0x11;
-
-    /**
-     * The sort of type references that target a bound of a type parameter of a
-     * generic method. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_TYPE_PARAMETER_BOUND = 0x12;
-
-    /**
-     * The sort of type references that target the type of a field. See
-     * {@link #getSort getSort}.
-     */
-    public final static int FIELD = 0x13;
-
-    /**
-     * The sort of type references that target the return type of a method. See
-     * {@link #getSort getSort}.
-     */
-    public final static int METHOD_RETURN = 0x14;
-
-    /**
-     * The sort of type references that target the receiver type of a method.
-     * See {@link #getSort getSort}.
-     */
-    public final static int METHOD_RECEIVER = 0x15;
-
-    /**
-     * The sort of type references that target the type of a formal parameter of
-     * a method. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_FORMAL_PARAMETER = 0x16;
-
-    /**
-     * The sort of type references that target the type of an exception declared
-     * in the throws clause of a method. See {@link #getSort getSort}.
-     */
-    public final static int THROWS = 0x17;
-
-    /**
-     * The sort of type references that target the type of a local variable in a
-     * method. See {@link #getSort getSort}.
-     */
-    public final static int LOCAL_VARIABLE = 0x40;
-
-    /**
-     * The sort of type references that target the type of a resource variable
-     * in a method. See {@link #getSort getSort}.
-     */
-    public final static int RESOURCE_VARIABLE = 0x41;
-
-    /**
-     * The sort of type references that target the type of the exception of a
-     * 'catch' clause in a method. See {@link #getSort getSort}.
-     */
-    public final static int EXCEPTION_PARAMETER = 0x42;
-
-    /**
-     * The sort of type references that target the type declared in an
-     * 'instanceof' instruction. See {@link #getSort getSort}.
-     */
-    public final static int INSTANCEOF = 0x43;
-
-    /**
-     * The sort of type references that target the type of the object created by
-     * a 'new' instruction. See {@link #getSort getSort}.
-     */
-    public final static int NEW = 0x44;
-
-    /**
-     * The sort of type references that target the receiver type of a
-     * constructor reference. See {@link #getSort getSort}.
-     */
-    public final static int CONSTRUCTOR_REFERENCE = 0x45;
-
-    /**
-     * The sort of type references that target the receiver type of a method
-     * reference. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_REFERENCE = 0x46;
-
-    /**
-     * The sort of type references that target the type declared in an explicit
-     * or implicit cast instruction. See {@link #getSort getSort}.
-     */
-    public final static int CAST = 0x47;
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * constructor in a constructor call. See {@link #getSort getSort}.
-     */
-    public final static int CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT = 0x48;
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * method in a method call. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_INVOCATION_TYPE_ARGUMENT = 0x49;
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * constructor in a constructor reference. See {@link #getSort getSort}.
-     */
-    public final static int CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT = 0x4A;
-
-    /**
-     * The sort of type references that target a type parameter of a generic
-     * method in a method reference. See {@link #getSort getSort}.
-     */
-    public final static int METHOD_REFERENCE_TYPE_ARGUMENT = 0x4B;
-
-    /**
-     * The type reference value in Java class file format.
-     */
-    private int value;
-
-    /**
-     * Creates a new TypeReference.
-     *
-     * @param typeRef
-     *            the int encoded value of the type reference, as received in a
-     *            visit method related to type annotations, like
-     *            visitTypeAnnotation.
-     */
-    public TypeReference(int typeRef) {
-        this.value = typeRef;
-    }
-
-    /**
-     * Returns a type reference of the given sort.
-     *
-     * @param sort
-     *            {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
-     *            {@link #METHOD_RECEIVER METHOD_RECEIVER},
-     *            {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
-     *            {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
-     *            {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
-     *            {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE}, or
-     *            {@link #METHOD_REFERENCE METHOD_REFERENCE}.
-     * @return a type reference of the given sort.
-     */
-    public static TypeReference newTypeReference(int sort) {
-        return new TypeReference(sort << 24);
-    }
-
-    /**
-     * Returns a reference to a type parameter of a generic class or method.
-     *
-     * @param sort
-     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
-     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
-     * @param paramIndex
-     *            the type parameter index.
-     * @return a reference to the given generic class or method type parameter.
-     */
-    public static TypeReference newTypeParameterReference(int sort,
-            int paramIndex) {
-        return new TypeReference((sort << 24) | (paramIndex << 16));
-    }
-
-    /**
-     * Returns a reference to a type parameter bound of a generic class or
-     * method.
-     *
-     * @param sort
-     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
-     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
-     * @param paramIndex
-     *            the type parameter index.
-     * @param boundIndex
-     *            the type bound index within the above type parameters.
-     * @return a reference to the given generic class or method type parameter
-     *         bound.
-     */
-    public static TypeReference newTypeParameterBoundReference(int sort,
-            int paramIndex, int boundIndex) {
-        return new TypeReference((sort << 24) | (paramIndex << 16)
-                | (boundIndex << 8));
-    }
-
-    /**
-     * Returns a reference to the super class or to an interface of the
-     * 'implements' clause of a class.
-     *
-     * @param itfIndex
-     *            the index of an interface in the 'implements' clause of a
-     *            class, or -1 to reference the super class of the class.
-     * @return a reference to the given super type of a class.
-     */
-    public static TypeReference newSuperTypeReference(int itfIndex) {
-        itfIndex &= 0xFFFF;
-        return new TypeReference((CLASS_EXTENDS << 24) | (itfIndex << 8));
-    }
-
-    /**
-     * Returns a reference to the type of a formal parameter of a method.
-     *
-     * @param paramIndex
-     *            the formal parameter index.
-     *
-     * @return a reference to the type of the given method formal parameter.
-     */
-    public static TypeReference newFormalParameterReference(int paramIndex) {
-        return new TypeReference((METHOD_FORMAL_PARAMETER << 24)
-                | (paramIndex << 16));
-    }
-
-    /**
-     * Returns a reference to the type of an exception, in a 'throws' clause of
-     * a method.
-     *
-     * @param exceptionIndex
-     *            the index of an exception in a 'throws' clause of a method.
-     *
-     * @return a reference to the type of the given exception.
-     */
-    public static TypeReference newExceptionReference(int exceptionIndex) {
-        return new TypeReference((THROWS << 24) | (exceptionIndex << 8));
-    }
-
-    /**
-     * Returns a reference to the type of the exception declared in a 'catch'
-     * clause of a method.
-     *
-     * @param tryCatchBlockIndex
-     *            the index of a try catch block (using the order in which they
-     *            are visited with visitTryCatchBlock).
-     *
-     * @return a reference to the type of the given exception.
-     */
-    public static TypeReference newTryCatchReference(int tryCatchBlockIndex) {
-        return new TypeReference((EXCEPTION_PARAMETER << 24)
-                | (tryCatchBlockIndex << 8));
-    }
-
-    /**
-     * Returns a reference to the type of a type argument in a constructor or
-     * method call or reference.
-     *
-     * @param sort
-     *            {@link #CAST CAST},
-     *            {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
-     *            CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
-     *            {@link #METHOD_INVOCATION_TYPE_ARGUMENT
-     *            METHOD_INVOCATION_TYPE_ARGUMENT},
-     *            {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
-     *            CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
-     *            {@link #METHOD_REFERENCE_TYPE_ARGUMENT
-     *            METHOD_REFERENCE_TYPE_ARGUMENT}.
-     * @param argIndex
-     *            the type argument index.
-     *
-     * @return a reference to the type of the given type argument.
-     */
-    public static TypeReference newTypeArgumentReference(int sort, int argIndex) {
-        return new TypeReference((sort << 24) | argIndex);
-    }
-
-    /**
-     * Returns the sort of this type reference.
-     *
-     * @return {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
-     *         {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
-     *         {@link #CLASS_EXTENDS CLASS_EXTENDS},
-     *         {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND},
-     *         {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND},
-     *         {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
-     *         {@link #METHOD_RECEIVER METHOD_RECEIVER},
-     *         {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER},
-     *         {@link #THROWS THROWS}, {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
-     *         {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
-     *         {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER},
-     *         {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
-     *         {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE},
-     *         {@link #METHOD_REFERENCE METHOD_REFERENCE}, {@link #CAST CAST},
-     *         {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
-     *         CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
-     *         {@link #METHOD_INVOCATION_TYPE_ARGUMENT
-     *         METHOD_INVOCATION_TYPE_ARGUMENT},
-     *         {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
-     *         CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
-     *         {@link #METHOD_REFERENCE_TYPE_ARGUMENT
-     *         METHOD_REFERENCE_TYPE_ARGUMENT}.
-     */
-    public int getSort() {
-        return value >>> 24;
-    }
-
-    /**
-     * Returns the index of the type parameter referenced by this type
-     * reference. This method must only be used for type references whose sort
-     * is {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
-     * {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
-     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
-     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
-     *
-     * @return a type parameter index.
-     */
-    public int getTypeParameterIndex() {
-        return (value & 0x00FF0000) >> 16;
-    }
-
-    /**
-     * Returns the index of the type parameter bound, within the type parameter
-     * {@link #getTypeParameterIndex}, referenced by this type reference. This
-     * method must only be used for type references whose sort is
-     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
-     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
-     *
-     * @return a type parameter bound index.
-     */
-    public int getTypeParameterBoundIndex() {
-        return (value & 0x0000FF00) >> 8;
-    }
-
-    /**
-     * Returns the index of the "super type" of a class that is referenced by
-     * this type reference. This method must only be used for type references
-     * whose sort is {@link #CLASS_EXTENDS CLASS_EXTENDS}.
-     *
-     * @return the index of an interface in the 'implements' clause of a class,
-     *         or -1 if this type reference references the type of the super
-     *         class.
-     */
-    public int getSuperTypeIndex() {
-        return (short) ((value & 0x00FFFF00) >> 8);
-    }
-
-    /**
-     * Returns the index of the formal parameter whose type is referenced by
-     * this type reference. This method must only be used for type references
-     * whose sort is {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER}.
-     *
-     * @return a formal parameter index.
-     */
-    public int getFormalParameterIndex() {
-        return (value & 0x00FF0000) >> 16;
-    }
-
-    /**
-     * Returns the index of the exception, in a 'throws' clause of a method,
-     * whose type is referenced by this type reference. This method must only be
-     * used for type references whose sort is {@link #THROWS THROWS}.
-     *
-     * @return the index of an exception in the 'throws' clause of a method.
-     */
-    public int getExceptionIndex() {
-        return (value & 0x00FFFF00) >> 8;
-    }
-
-    /**
-     * Returns the index of the try catch block (using the order in which they
-     * are visited with visitTryCatchBlock), whose 'catch' type is referenced by
-     * this type reference. This method must only be used for type references
-     * whose sort is {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER} .
-     *
-     * @return the index of an exception in the 'throws' clause of a method.
-     */
-    public int getTryCatchBlockIndex() {
-        return (value & 0x00FFFF00) >> 8;
-    }
-
-    /**
-     * Returns the index of the type argument referenced by this type reference.
-     * This method must only be used for type references whose sort is
-     * {@link #CAST CAST}, {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
-     * CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
-     * {@link #METHOD_INVOCATION_TYPE_ARGUMENT METHOD_INVOCATION_TYPE_ARGUMENT},
-     * {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
-     * CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
-     * {@link #METHOD_REFERENCE_TYPE_ARGUMENT METHOD_REFERENCE_TYPE_ARGUMENT}.
-     *
-     * @return a type parameter index.
-     */
-    public int getTypeArgumentIndex() {
-        return value & 0xFF;
-    }
-
-    /**
-     * Returns the int encoded value of this type reference, suitable for use in
-     * visit methods related to type annotations, like visitTypeAnnotation.
-     *
-     * @return the int encoded value of this type reference.
-     */
-    public int getValue() {
-        return value;
-    }
-}
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2013 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * A reference to a type appearing in a class, field or method declaration, or
+ * on an instruction. Such a reference designates the part of the class where
+ * the referenced type is appearing (e.g. an 'extends', 'implements' or 'throws'
+ * clause, a 'new' instruction, a 'catch' clause, a type cast, a local variable
+ * declaration, etc).
+ *
+ * @author Eric Bruneton
+ */
+public class TypeReference {
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * class. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_TYPE_PARAMETER = 0x00;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_TYPE_PARAMETER = 0x01;
+
+    /**
+     * The sort of type references that target the super class of a class or one
+     * of the interfaces it implements. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_EXTENDS = 0x10;
+
+    /**
+     * The sort of type references that target a bound of a type parameter of a
+     * generic class. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_TYPE_PARAMETER_BOUND = 0x11;
+
+    /**
+     * The sort of type references that target a bound of a type parameter of a
+     * generic method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_TYPE_PARAMETER_BOUND = 0x12;
+
+    /**
+     * The sort of type references that target the type of a field. See
+     * {@link #getSort getSort}.
+     */
+    public final static int FIELD = 0x13;
+
+    /**
+     * The sort of type references that target the return type of a method. See
+     * {@link #getSort getSort}.
+     */
+    public final static int METHOD_RETURN = 0x14;
+
+    /**
+     * The sort of type references that target the receiver type of a method.
+     * See {@link #getSort getSort}.
+     */
+    public final static int METHOD_RECEIVER = 0x15;
+
+    /**
+     * The sort of type references that target the type of a formal parameter of
+     * a method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_FORMAL_PARAMETER = 0x16;
+
+    /**
+     * The sort of type references that target the type of an exception declared
+     * in the throws clause of a method. See {@link #getSort getSort}.
+     */
+    public final static int THROWS = 0x17;
+
+    /**
+     * The sort of type references that target the type of a local variable in a
+     * method. See {@link #getSort getSort}.
+     */
+    public final static int LOCAL_VARIABLE = 0x40;
+
+    /**
+     * The sort of type references that target the type of a resource variable
+     * in a method. See {@link #getSort getSort}.
+     */
+    public final static int RESOURCE_VARIABLE = 0x41;
+
+    /**
+     * The sort of type references that target the type of the exception of a
+     * 'catch' clause in a method. See {@link #getSort getSort}.
+     */
+    public final static int EXCEPTION_PARAMETER = 0x42;
+
+    /**
+     * The sort of type references that target the type declared in an
+     * 'instanceof' instruction. See {@link #getSort getSort}.
+     */
+    public final static int INSTANCEOF = 0x43;
+
+    /**
+     * The sort of type references that target the type of the object created by
+     * a 'new' instruction. See {@link #getSort getSort}.
+     */
+    public final static int NEW = 0x44;
+
+    /**
+     * The sort of type references that target the receiver type of a
+     * constructor reference. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_REFERENCE = 0x45;
+
+    /**
+     * The sort of type references that target the receiver type of a method
+     * reference. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_REFERENCE = 0x46;
+
+    /**
+     * The sort of type references that target the type declared in an explicit
+     * or implicit cast instruction. See {@link #getSort getSort}.
+     */
+    public final static int CAST = 0x47;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * constructor in a constructor call. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT = 0x48;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method in a method call. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_INVOCATION_TYPE_ARGUMENT = 0x49;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * constructor in a constructor reference. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT = 0x4A;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method in a method reference. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_REFERENCE_TYPE_ARGUMENT = 0x4B;
+
+    /**
+     * The type reference value in Java class file format.
+     */
+    private int value;
+
+    /**
+     * Creates a new TypeReference.
+     *
+     * @param typeRef
+     *            the int encoded value of the type reference, as received in a
+     *            visit method related to type annotations, like
+     *            visitTypeAnnotation.
+     */
+    public TypeReference(int typeRef) {
+        this.value = typeRef;
+    }
+
+    /**
+     * Returns a type reference of the given sort.
+     *
+     * @param sort
+     *            {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
+     *            {@link #METHOD_RECEIVER METHOD_RECEIVER},
+     *            {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
+     *            {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
+     *            {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
+     *            {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE}, or
+     *            {@link #METHOD_REFERENCE METHOD_REFERENCE}.
+     * @return a type reference of the given sort.
+     */
+    public static TypeReference newTypeReference(int sort) {
+        return new TypeReference(sort << 24);
+    }
+
+    /**
+     * Returns a reference to a type parameter of a generic class or method.
+     *
+     * @param sort
+     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
+     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
+     * @param paramIndex
+     *            the type parameter index.
+     * @return a reference to the given generic class or method type parameter.
+     */
+    public static TypeReference newTypeParameterReference(int sort,
+            int paramIndex) {
+        return new TypeReference((sort << 24) | (paramIndex << 16));
+    }
+
+    /**
+     * Returns a reference to a type parameter bound of a generic class or
+     * method.
+     *
+     * @param sort
+     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
+     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
+     * @param paramIndex
+     *            the type parameter index.
+     * @param boundIndex
+     *            the type bound index within the above type parameters.
+     * @return a reference to the given generic class or method type parameter
+     *         bound.
+     */
+    public static TypeReference newTypeParameterBoundReference(int sort,
+            int paramIndex, int boundIndex) {
+        return new TypeReference((sort << 24) | (paramIndex << 16)
+                | (boundIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the super class or to an interface of the
+     * 'implements' clause of a class.
+     *
+     * @param itfIndex
+     *            the index of an interface in the 'implements' clause of a
+     *            class, or -1 to reference the super class of the class.
+     * @return a reference to the given super type of a class.
+     */
+    public static TypeReference newSuperTypeReference(int itfIndex) {
+        itfIndex &= 0xFFFF;
+        return new TypeReference((CLASS_EXTENDS << 24) | (itfIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of a formal parameter of a method.
+     *
+     * @param paramIndex
+     *            the formal parameter index.
+     *
+     * @return a reference to the type of the given method formal parameter.
+     */
+    public static TypeReference newFormalParameterReference(int paramIndex) {
+        return new TypeReference((METHOD_FORMAL_PARAMETER << 24)
+                | (paramIndex << 16));
+    }
+
+    /**
+     * Returns a reference to the type of an exception, in a 'throws' clause of
+     * a method.
+     *
+     * @param exceptionIndex
+     *            the index of an exception in a 'throws' clause of a method.
+     *
+     * @return a reference to the type of the given exception.
+     */
+    public static TypeReference newExceptionReference(int exceptionIndex) {
+        return new TypeReference((THROWS << 24) | (exceptionIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of the exception declared in a 'catch'
+     * clause of a method.
+     *
+     * @param tryCatchBlockIndex
+     *            the index of a try catch block (using the order in which they
+     *            are visited with visitTryCatchBlock).
+     *
+     * @return a reference to the type of the given exception.
+     */
+    public static TypeReference newTryCatchReference(int tryCatchBlockIndex) {
+        return new TypeReference((EXCEPTION_PARAMETER << 24)
+                | (tryCatchBlockIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of a type argument in a constructor or
+     * method call or reference.
+     *
+     * @param sort
+     *            {@link #CAST CAST},
+     *            {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     *            CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     *            {@link #METHOD_INVOCATION_TYPE_ARGUMENT
+     *            METHOD_INVOCATION_TYPE_ARGUMENT},
+     *            {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     *            CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     *            {@link #METHOD_REFERENCE_TYPE_ARGUMENT
+     *            METHOD_REFERENCE_TYPE_ARGUMENT}.
+     * @param argIndex
+     *            the type argument index.
+     *
+     * @return a reference to the type of the given type argument.
+     */
+    public static TypeReference newTypeArgumentReference(int sort, int argIndex) {
+        return new TypeReference((sort << 24) | argIndex);
+    }
+
+    /**
+     * Returns the sort of this type reference.
+     *
+     * @return {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
+     *         {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
+     *         {@link #CLASS_EXTENDS CLASS_EXTENDS},
+     *         {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND},
+     *         {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND},
+     *         {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
+     *         {@link #METHOD_RECEIVER METHOD_RECEIVER},
+     *         {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER},
+     *         {@link #THROWS THROWS}, {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
+     *         {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
+     *         {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER},
+     *         {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
+     *         {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE},
+     *         {@link #METHOD_REFERENCE METHOD_REFERENCE}, {@link #CAST CAST},
+     *         {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     *         CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     *         {@link #METHOD_INVOCATION_TYPE_ARGUMENT
+     *         METHOD_INVOCATION_TYPE_ARGUMENT},
+     *         {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     *         CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     *         {@link #METHOD_REFERENCE_TYPE_ARGUMENT
+     *         METHOD_REFERENCE_TYPE_ARGUMENT}.
+     */
+    public int getSort() {
+        return value >>> 24;
+    }
+
+    /**
+     * Returns the index of the type parameter referenced by this type
+     * reference. This method must only be used for type references whose sort
+     * is {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
+     * {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
+     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
+     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
+     *
+     * @return a type parameter index.
+     */
+    public int getTypeParameterIndex() {
+        return (value & 0x00FF0000) >> 16;
+    }
+
+    /**
+     * Returns the index of the type parameter bound, within the type parameter
+     * {@link #getTypeParameterIndex}, referenced by this type reference. This
+     * method must only be used for type references whose sort is
+     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
+     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
+     *
+     * @return a type parameter bound index.
+     */
+    public int getTypeParameterBoundIndex() {
+        return (value & 0x0000FF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the "super type" of a class that is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #CLASS_EXTENDS CLASS_EXTENDS}.
+     *
+     * @return the index of an interface in the 'implements' clause of a class,
+     *         or -1 if this type reference references the type of the super
+     *         class.
+     */
+    public int getSuperTypeIndex() {
+        return (short) ((value & 0x00FFFF00) >> 8);
+    }
+
+    /**
+     * Returns the index of the formal parameter whose type is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER}.
+     *
+     * @return a formal parameter index.
+     */
+    public int getFormalParameterIndex() {
+        return (value & 0x00FF0000) >> 16;
+    }
+
+    /**
+     * Returns the index of the exception, in a 'throws' clause of a method,
+     * whose type is referenced by this type reference. This method must only be
+     * used for type references whose sort is {@link #THROWS THROWS}.
+     *
+     * @return the index of an exception in the 'throws' clause of a method.
+     */
+    public int getExceptionIndex() {
+        return (value & 0x00FFFF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the try catch block (using the order in which they
+     * are visited with visitTryCatchBlock), whose 'catch' type is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER} .
+     *
+     * @return the index of an exception in the 'throws' clause of a method.
+     */
+    public int getTryCatchBlockIndex() {
+        return (value & 0x00FFFF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the type argument referenced by this type reference.
+     * This method must only be used for type references whose sort is
+     * {@link #CAST CAST}, {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     * CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     * {@link #METHOD_INVOCATION_TYPE_ARGUMENT METHOD_INVOCATION_TYPE_ARGUMENT},
+     * {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     * CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     * {@link #METHOD_REFERENCE_TYPE_ARGUMENT METHOD_REFERENCE_TYPE_ARGUMENT}.
+     *
+     * @return a type parameter index.
+     */
+    public int getTypeArgumentIndex() {
+        return value & 0xFF;
+    }
+
+    /**
+     * Returns the int encoded value of this type reference, suitable for use in
+     * visit methods related to type annotations, like visitTypeAnnotation.
+     *
+     * @return the int encoded value of this type reference.
+     */
+    public int getValue() {
+        return value;
+    }
+}

src/org/redkale/boot/Application.java

@@ -96,6 +96,11 @@ public final class Application {
      */
     public static final String RESNAME_SERVER_EXECUTOR = Server.RESNAME_SERVER_EXECUTOR;
 
+    /**
+     * 当前Server的ResourceFactory
+     */
+    public static final String RESNAME_SERVER_RESFACTORY = Server.RESNAME_SERVER_RESFACTORY;
+
     //本地IP地址
     final InetAddress localAddress;
 
@@ -249,8 +254,8 @@ public final class Application {
         TransportStrategy strategy = null;
         int bufferCapacity = 32 * 1024;
         int bufferPoolSize = Runtime.getRuntime().availableProcessors() * 8;
-        int readTimeoutSecond = TransportFactory.DEFAULT_READTIMEOUTSECOND;
-        int writeTimeoutSecond = TransportFactory.DEFAULT_WRITETIMEOUTSECOND;
+        int readTimeoutSeconds = TransportFactory.DEFAULT_READTIMEOUTSECONDS;
+        int writeTimeoutSeconds = TransportFactory.DEFAULT_WRITETIMEOUTSECONDS;
         AtomicLong createBufferCounter = new AtomicLong();
         AtomicLong cycleBufferCounter = new AtomicLong();
         if (resources != null) {
@@ -260,8 +265,8 @@ public final class Application {
             if (transportConf != null) {
                 //--------------transportBufferPool-----------
                 bufferCapacity = Math.max(parseLenth(transportConf.getValue("bufferCapacity"), bufferCapacity), 8 * 1024);
-                readTimeoutSecond = transportConf.getIntValue("readTimeoutSecond", readTimeoutSecond);
-                writeTimeoutSecond = transportConf.getIntValue("writeTimeoutSecond", writeTimeoutSecond);
+                readTimeoutSeconds = transportConf.getIntValue("readTimeoutSeconds", readTimeoutSeconds);
+                writeTimeoutSeconds = transportConf.getIntValue("writeTimeoutSeconds", writeTimeoutSeconds);
                 final int threads = parseLenth(transportConf.getValue("threads"), groupsize * Runtime.getRuntime().availableProcessors() * 2);
                 bufferPoolSize = parseLenth(transportConf.getValue("bufferPoolSize"), threads * 4);
                 final int capacity = bufferCapacity;
@@ -314,7 +319,7 @@ public final class Application {
                     return true;
                 });
         }
-        this.sncpTransportFactory = TransportFactory.create(transportExec, transportPool, transportGroup, (SSLContext) null, readTimeoutSecond, writeTimeoutSecond, strategy);
+        this.sncpTransportFactory = TransportFactory.create(transportExec, transportPool, transportGroup, (SSLContext) null, readTimeoutSeconds, writeTimeoutSeconds, strategy);
         DefaultAnyValue tarnsportConf = DefaultAnyValue.create(TransportFactory.NAME_POOLMAXCONNS, System.getProperty("net.transport.poolmaxconns", "100"))
             .addValue(TransportFactory.NAME_PINGINTERVAL, System.getProperty("net.transport.pinginterval", "30"))
             .addValue(TransportFactory.NAME_CHECKINTERVAL, System.getProperty("net.transport.checkinterval", "30"));
@@ -356,6 +361,7 @@ public final class Application {
     }
 
     public void init() throws Exception {
+        System.setProperty("sun.nio.ch.internalThreadPoolSize", "" + Runtime.getRuntime().availableProcessors() * 4);
         System.setProperty("java.util.concurrent.ForkJoinPool.common.parallelism", "" + Runtime.getRuntime().availableProcessors() * 4);
         System.setProperty("net.transport.poolmaxconns", "100");
         System.setProperty("net.transport.pinginterval", "30");
@@ -431,7 +437,8 @@ public final class Application {
                     if (type == Application.class) {
                         field.set(src, application);
                     } else if (type == ResourceFactory.class) {
-                        field.set(src, res.name().equalsIgnoreCase("server") ? rf : (res.name().isEmpty() ? application.resourceFactory : null));
+                        boolean serv = RESNAME_SERVER_RESFACTORY.equals(res.name()) || res.name().equalsIgnoreCase("server");
+                        field.set(src, serv ? rf : (res.name().isEmpty() ? application.resourceFactory : null));
                     } else if (type == TransportFactory.class) {
                         field.set(src, application.sncpTransportFactory);
                     } else if (type == NodeSncpServer.class) {
@@ -599,15 +606,15 @@ public final class Application {
         buffer.flip();
         channel.write(buffer);
         buffer.clear();
-        channel.configureBlocking(false);
+        channel.configureBlocking(true);
         try {
             channel.read(buffer);
             buffer.flip();
             byte[] bytes = new byte[buffer.remaining()];
             buffer.get(bytes);
             channel.close();
-            logger.info(new String(bytes));
-            Thread.sleep(500);
+            logger.info("Send: " + command + ", Reply: " + new String(bytes));
+            Thread.sleep(1000);
         } catch (Exception e) {
             if (e instanceof PortUnreachableException) {
                 if ("APIDOC".equalsIgnoreCase(command)) {

src/org/redkale/boot/NodeHttpServer.java

@@ -123,8 +123,8 @@ public class NodeHttpServer extends NodeServer {
                         regFactory.register(resourceName, WebSocketNode.class, nodeService);
                     }
                     resourceFactory.inject(nodeService, self);
-                    logger.fine("[" + Thread.currentThread().getName() + "] Load Service " + nodeService);
                     field.set(src, nodeService);
+                    logger.fine("[" + Thread.currentThread().getName() + "] Load Service " + nodeService);
                 }
             } catch (Exception e) {
                 logger.log(Level.SEVERE, "WebSocketNode inject error", e);

src/org/redkale/boot/NodeServer.java

@@ -19,10 +19,9 @@ import javax.annotation.*;
 import javax.persistence.Transient;
 import static org.redkale.boot.Application.*;
 import org.redkale.boot.ClassFilter.FilterEntry;
-import org.redkale.convert.bson.*;
 import org.redkale.net.Filter;
 import org.redkale.net.*;
-import org.redkale.net.http.WebSocketServlet;
+import org.redkale.net.http.*;
 import org.redkale.net.sncp.*;
 import org.redkale.service.*;
 import org.redkale.source.*;
@@ -96,6 +95,7 @@ public abstract class NodeServer {
         this.serverClassLoader = new RedkaleClassLoader(application.getServerClassLoader());
         Thread.currentThread().setContextClassLoader(this.serverClassLoader);
         this.serverThread = Thread.currentThread();
+        this.server.setServerClassLoader(serverClassLoader);
     }
 
     public static <T extends NodeServer> NodeServer create(Class<T> clazz, Application application, AnyValue serconf) {
@@ -198,7 +198,7 @@ public abstract class NodeServer {
                 }
             }
         }
-        //------------------------------------- 注册Resource --------------------------------------------------------
+        //------------------------------------- 注册 Resource --------------------------------------------------------
         resourceFactory.register((ResourceFactory rf, final Object src, String resourceName, Field field, final Object attachment) -> {
             try {
                 Resource res = field.getAnnotation(Resource.class);
@@ -221,7 +221,7 @@ public abstract class NodeServer {
             }
         }, AnyValue.class, AnyValue[].class);
 
-        //------------------------------------- 注册DataSource --------------------------------------------------------        
+        //------------------------------------- 注册 DataSource --------------------------------------------------------        
         resourceFactory.register((ResourceFactory rf, final Object src, String resourceName, Field field, final Object attachment) -> {
             try {
                 if (field.getAnnotation(Resource.class) == null) return;
@@ -231,7 +231,14 @@ public abstract class NodeServer {
                 boolean needinit = true;
                 if (sourceConf != null) {
                     final Class sourceType = serverClassLoader.loadClass(sourceConf.getValue("value"));
-                    if (DataSource.class.isAssignableFrom(sourceType)) { // DataSource
+                    boolean can = false;
+                    for (Constructor cr : sourceType.getConstructors()) {
+                        if (cr.getParameterCount() == 0) {
+                            can = true;
+                            break;
+                        }
+                    }
+                    if (DataSource.class.isAssignableFrom(sourceType) && can) { // 必须有空构造函数
                         final Service srcService = (Service) src;
                         SncpClient client = Sncp.getSncpClient(srcService);
                         final InetSocketAddress sncpAddr = client == null ? null : client.getClientAddress();
@@ -271,8 +278,9 @@ public abstract class NodeServer {
             }
         }, DataSource.class);
 
-        //------------------------------------- 注册CacheSource --------------------------------------------------------
+        //------------------------------------- 注册 CacheSource --------------------------------------------------------
         resourceFactory.register(new ResourceFactory.ResourceLoader() {
+            @Override
             public void load(ResourceFactory rf, final Object src, final String resourceName, Field field, final Object attachment) {
                 try {
                     if (field.getAnnotation(Resource.class) == null) return;
@@ -317,10 +325,46 @@ public abstract class NodeServer {
                 }
             }
 
+            @Override
             public boolean autoNone() {
                 return false;
             }
         }, CacheSource.class);
+
+        //------------------------------------- 注册 WebSocketNode --------------------------------------------------------
+        resourceFactory.register(new ResourceFactory.ResourceLoader() {
+            @Override
+            public void load(ResourceFactory rf, final Object src, final String resourceName, Field field, final Object attachment) {
+                try {
+                    if (field.getAnnotation(Resource.class) == null) return;
+                    if ((src instanceof Service) && Sncp.isRemote((Service) src)) return; //远程模式不需要注入 WebSocketNode 
+                    Service nodeService = (Service) rf.find(resourceName, WebSocketNode.class);
+                    if (nodeService == null) {
+                        final HashSet<String> groups = new HashSet<>();
+                        if (groups.isEmpty() && isSNCP() && NodeServer.this.sncpGroup != null) groups.add(NodeServer.this.sncpGroup);
+                        nodeService = Sncp.createLocalService(serverClassLoader, resourceName, WebSocketNodeService.class, application.getResourceFactory(), application.getSncpTransportFactory(), NodeServer.this.sncpAddress, groups, (AnyValue) null);
+                        (isSNCP() ? appResFactory : resourceFactory).register(resourceName, WebSocketNode.class, nodeService);
+                    }
+                    resourceFactory.inject(nodeService, self);
+                    field.set(src, nodeService);
+                    if (Sncp.isRemote(nodeService)) {
+                        remoteServices.add(nodeService);
+                    } else {
+                        if (field != null) rf.inject(nodeService); //动态加载的Service也存在按需加载的注入资源
+                        localServices.add(nodeService);
+                        interceptorServices.add(nodeService);
+                        if (consumer != null) consumer.accept(nodeService);
+                    }
+                } catch (Exception e) {
+                    logger.log(Level.SEVERE, "WebSocketNode inject error", e);
+                }
+            }
+
+            @Override
+            public boolean autoNone() {
+                return false;
+            }
+        }, WebSocketNode.class);
     }
 
     @SuppressWarnings("unchecked")
@@ -340,7 +384,6 @@ public abstract class NodeServer {
                 if (DataSource.class.isAssignableFrom(serviceImplClass)) continue;
                 if (CacheSource.class.isAssignableFrom(serviceImplClass)) continue;
                 if (DataCacheListener.class.isAssignableFrom(serviceImplClass)) continue;
-                //if (WebSocketNode.class.isAssignableFrom(serviceImplClass)) continue;
             }
             if (entry.getName().contains("$")) throw new RuntimeException("<name> value cannot contains '$' in " + entry.getProperty());
             Service oldother = resourceFactory.find(entry.getName(), serviceImplClass);
@@ -457,125 +500,6 @@ public abstract class NodeServer {
         maxClassNameLength = Math.max(maxClassNameLength, Sncp.getResourceType(y).getName().length() + 1);
     }
 
-    //尚未完整实现， 先屏蔽， 单个Service在多个Server中存在的情况下进行缓存的方案还未考虑清楚
-    @SuppressWarnings("unchecked")
-    private void loadPersistData() throws Exception {
-        File home = application.getHome();
-        if (home == null || !home.isDirectory()) return;
-        File cachedir = new File(home, "cache");
-        if (!cachedir.isDirectory()) return;
-        int port = this.server.getSocketAddress().getPort();
-        final String prefix = "persist-" + port + "-";
-        final BsonConvert convert = BsonFactory.create().skipAllIgnore(true).getConvert();
-        synchronized (this.application) {
-            for (final File file : cachedir.listFiles((dir, name) -> name.startsWith(prefix))) {
-                if (!file.getName().endsWith(".bat")) continue;
-                String classAndResname = file.getName().substring(prefix.length(), file.getName().length() - 4); //去掉尾部的.bat
-                int pos = classAndResname.indexOf('-');
-                String servtype = pos > 0 ? classAndResname.substring(0, pos) : classAndResname;
-                String resname = pos > 0 ? classAndResname.substring(pos + 1) : "";
-
-                FileInputStream in = new FileInputStream(file);
-                ByteArrayOutputStream out = new ByteArrayOutputStream();
-                int b;
-                while ((b = in.read()) != '\n') out.write(b);
-                final String[] fieldNames = out.toString().split(",");
-                int timeout = (int) ((System.currentTimeMillis() - file.lastModified()) / 1000);
-                for (final Service service : this.localServices) {
-                    if (!servtype.equals(Sncp.getResourceType(service).getName())) continue;
-                    if (!resname.equals(Sncp.getResourceName(service))) continue;
-                    for (final String fieldName : fieldNames) {
-                        Field field = null;
-                        Class clzz = service.getClass();
-                        do {
-                            try {
-                                field = clzz.getDeclaredField(fieldName);
-                                break;
-                            } catch (Exception e) {
-                            }
-                        } while ((clzz = clzz.getSuperclass()) != Object.class);
-                        field.setAccessible(true);
-                        Object val = convert.convertFrom(field.getGenericType(), in);
-                        Persist persist = field.getAnnotation(Persist.class);
-                        if (persist.timeout() == 0 || persist.timeout() >= timeout) {
-                            if (Modifier.isFinal(field.getModifiers())) {
-                                if (Map.class.isAssignableFrom(field.getType())) {
-                                    ((Map) field.get(service)).putAll((Map) val);
-                                } else if (Collection.class.isAssignableFrom(field.getType())) {
-                                    ((Collection) field.get(service)).addAll((Collection) val);
-                                }
-                            } else {
-                                field.set(service, val);
-                            }
-                        }
-                        if (in.read() != '\n') logger.log(Level.SEVERE, servtype + "'s [" + resname + "] load value error");
-                    }
-                }
-                in.close();
-            }
-        }
-    }
-
-    //尚未完整实现， 先屏蔽
-    @SuppressWarnings("unchecked")
-    private void savePersistData() throws IOException {
-        File home = application.getHome();
-        if (home == null || !home.isDirectory()) return;
-        File cachedir = new File(home, "cache");
-        int port = this.server.getSocketAddress().getPort();
-        final String prefix = "persist-" + port + "-";
-        final BsonConvert convert = BsonFactory.create().skipAllIgnore(true).getConvert();
-        for (final Service service : this.localServices) {
-            Class clzz = service.getClass();
-            final Set<String> fieldNameSet = new HashSet<>();
-            final List<Field> fields = new ArrayList<>();
-            final StringBuilder sb = new StringBuilder();
-            do {
-                for (Field field : clzz.getDeclaredFields()) {
-                    if (field.getAnnotation(Persist.class) == null) continue;
-                    if (fieldNameSet.contains(field.getName())) continue;
-                    if (Modifier.isStatic(field.getModifiers())) throw new RuntimeException(field + " cannot static on @" + Persist.class.getName() + " in " + clzz.getName());
-                    if (Modifier.isFinal(field.getModifiers()) && !Map.class.isAssignableFrom(field.getType()) && !Collection.class.isAssignableFrom(field.getType())) {
-                        throw new RuntimeException(field + " cannot final on @" + Persist.class.getName() + " in " + clzz.getName());
-                    }
-                    fieldNameSet.add(field.getName());
-                    field.setAccessible(true);
-                    try {
-                        if (field.get(service) == null) continue;
-                    } catch (Exception e) {
-                        logger.log(Level.SEVERE, field + " get value error", e);
-                        continue;
-                    }
-                    fields.add(field);
-                    if (sb.length() > 0) sb.append(',');
-                    sb.append(field.getName());
-                }
-            } while ((clzz = clzz.getSuperclass()) != Object.class);
-
-            if (fields.isEmpty()) continue; //没有数据需要缓存
-//            synchronized (this.application.localServices) {
-//                if (this.application.localServices.contains(service)) continue;
-//                this.application.localServices.add(service);
-//            }
-            if (!cachedir.isDirectory()) cachedir.mkdirs();
-            String resname = Sncp.getResourceName(service);
-            FileOutputStream out = new FileOutputStream(new File(cachedir, prefix + Sncp.getResourceType(service).getName() + (resname.isEmpty() ? "" : ("-" + resname)) + ".bat"));
-            out.write(sb.toString().getBytes());
-            out.write('\n');
-            for (Field field : fields) {
-                Object val = null;
-                try {
-                    val = field.get(service);
-                } catch (Exception e) {
-                    logger.log(Level.SEVERE, field + " save value error", e);
-                }
-                convert.convertTo(out, field.getGenericType(), val);
-                out.write('\n');
-            }
-            out.close();
-        }
-    }
-
     protected abstract ClassFilter<Filter> createFilterClassFilter();
 
     protected abstract ClassFilter<Servlet> createServletClassFilter();
@@ -708,9 +632,12 @@ public abstract class NodeServer {
     public void shutdown() throws IOException {
         if (interceptor != null) interceptor.preShutdown(this);
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
+        final boolean finest = logger.isLoggable(Level.FINEST);
         localServices.forEach(y -> {
             long s = System.currentTimeMillis();
+            if (finest) logger.finest(y + " is destroying");
             y.destroy(Sncp.getConf(y));
+            if (finest) logger.finest(y + " was destroyed");
             long e = System.currentTimeMillis() - s;
             if (e > 2 && sb != null) {
                 sb.append(Sncp.toSimpleString(y, maxNameLength, maxClassNameLength)).append(" destroy ").append(e).append("ms").append(LINE_SEPARATOR);

src/org/redkale/boot/watch/ServerWatchService.java

@@ -5,7 +5,13 @@
  */
 package org.redkale.boot.watch;
 
-import org.redkale.net.http.RestService;
+import java.util.*;
+import javax.annotation.Resource;
+import org.redkale.boot.*;
+import org.redkale.net.Server;
+import org.redkale.net.http.*;
+import org.redkale.service.RetResult;
+import org.redkale.util.Comment;
 
 /**
  *
@@ -14,4 +20,66 @@ import org.redkale.net.http.RestService;
 @RestService(name = "server", catalog = "watch", repair = false)
 public class ServerWatchService extends AbstractWatchService {
 
+    @Comment("不存在的Server节点")
+    public static final int RET_SERVER_NOT_EXISTS = 1602_0001;
+
+    @Resource
+    private Application application;
+
+    @RestMapping(name = "info", comment = "单个Server信息查询")
+    public RetResult info(@RestParam(name = "#port:") int port) {
+        NodeServer node = null;
+        for (NodeServer ns : application.getNodeServers()) {
+            if (ns.getServer().getSocketAddress().getPort() == port) {
+                node = ns;
+                break;
+            }
+        }
+        if (node == null) return new RetResult(RET_SERVER_NOT_EXISTS, "Server(port=" + port + ") not found");
+        return new RetResult(formatToMap(node));
+    }
+
+    @RestMapping(name = "infos", comment = "Server信息查询")
+    public RetResult infos() {
+        Map<String, Object> rs = new LinkedHashMap<>();
+        for (NodeServer ns : application.getNodeServers()) {
+            Server server = ns.getServer();
+            rs.put("" + server.getSocketAddress().getPort(), formatToMap(ns));
+        }
+        return new RetResult(rs);
+    }
+
+    private Map<String, Object> formatToMap(NodeServer node) {
+        Server server = node.getServer();
+        Map<String, Object> rs = new LinkedHashMap<>();
+        String protocol = server.getProtocol();
+        if (node instanceof NodeSncpServer) {
+            protocol += "/SNCP";
+        } else if (node instanceof NodeWatchServer) {
+            protocol += "/WATCH";
+        } else if (node instanceof NodeHttpServer) {
+            protocol += "/HTTP";
+        } else {
+            NodeProtocol np = node.getClass().getAnnotation(NodeProtocol.class);
+            if (np != null && np.value().length > 0) protocol += "/" + np.value()[0];
+        }
+        rs.put("name", server.getName());
+        rs.put("protocol", protocol);
+        rs.put("address", server.getSocketAddress());
+        rs.put("threads", server.getThreads());
+        rs.put("backlog", server.getBacklog());
+        rs.put("bufferCapacity", server.getBufferCapacity());
+        rs.put("bufferPoolSize", server.getBufferPoolSize());
+        rs.put("charset", server.getCharset() == null ? "UTF-8" : server.getCharset().name());
+        rs.put("maxbody", server.getMaxbody());
+        rs.put("maxconns", server.getMaxconns());
+        rs.put("serverStartTime", server.getServerStartTime());
+        rs.put("responsePoolSize", server.getResponsePoolSize());
+        rs.put("readTimeoutSeconds", server.getReadTimeoutSeconds());
+        rs.put("writeTimeoutSeconds", server.getWriteTimeoutSeconds());
+        rs.put("createConnectionCount", server.getCreateConnectionCount());
+        rs.put("livingConnectionCount", server.getLivingConnectionCount());
+        rs.put("closedConnectionCount", server.getClosedConnectionCount());
+        return rs;
+    }
 }

src/org/redkale/convert/json/JsonByteBufferWriter.java

@@ -22,8 +22,6 @@ import org.redkale.util.*;
  */
 public class JsonByteBufferWriter extends JsonWriter {
 
-    protected static final Charset UTF8 = Charset.forName("UTF-8");
-
     protected Charset charset;
 
     private final Supplier<ByteBuffer> supplier;
@@ -38,7 +36,7 @@ public class JsonByteBufferWriter extends JsonWriter {
 
     protected JsonByteBufferWriter(boolean tiny, Charset charset, Supplier<ByteBuffer> supplier) {
         this.tiny = tiny;
-        this.charset = UTF8.equals(charset) ? null : charset;
+        this.charset = StandardCharsets.UTF_8.equals(charset) ? null : charset;
         this.supplier = supplier;
     }
 

src/org/redkale/net/AsyncConnection.java

@@ -12,6 +12,7 @@ import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Consumer;
 import javax.net.ssl.SSLContext;
 
 /**
@@ -33,11 +34,13 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
     protected volatile long writetime;
 
+    //在线数
+    protected AtomicLong livingCounter;
+
     //关闭数
     protected AtomicLong closedCounter;
 
-    //在线数
-    protected AtomicLong livingCounter;
+    protected Consumer<AsyncConnection> beforeCloseListener;
 
     public final long getLastReadTime() {
         return readtime;
@@ -49,17 +52,39 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
     public abstract boolean isTCP();
 
+    public abstract boolean shutdownInput();
+
+    public abstract boolean shutdownOutput();
+
+    public abstract <T> boolean setOption(SocketOption<T> name, T value);
+
+    public abstract Set<SocketOption<?>> supportedOptions();
+
     public abstract SocketAddress getRemoteAddress();
 
     public abstract SocketAddress getLocalAddress();
 
-    public abstract int getReadTimeoutSecond();
+    public abstract int getReadTimeoutSeconds();
 
-    public abstract int getWriteTimeoutSecond();
+    public abstract int getWriteTimeoutSeconds();
 
-    public abstract void setReadTimeoutSecond(int readTimeoutSecond);
+    public abstract void setReadTimeoutSeconds(int readTimeoutSeconds);
 
-    public abstract void setWriteTimeoutSecond(int writeTimeoutSecond);
+    public abstract void setWriteTimeoutSeconds(int writeTimeoutSeconds);
+
+    @Override
+    public abstract Future<Integer> read(ByteBuffer dst);
+
+    @Override
+    public abstract <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler);
+
+    public abstract <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler);
+
+    @Override
+    public abstract Future<Integer> write(ByteBuffer src);
+
+    @Override
+    public abstract <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler);
 
     public final <A> void write(ByteBuffer[] srcs, A attachment, CompletionHandler<Integer, ? super A> handler) {
         write(srcs, 0, srcs.length, attachment, handler);
@@ -74,6 +99,11 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         }
     }
 
+    public AsyncConnection beforeCloseListener(Consumer<AsyncConnection> beforeCloseListener) {
+        this.beforeCloseListener = beforeCloseListener;
+        return this;
+    }
+
     @Override
     public void close() throws IOException {
         if (closedCounter != null) {
@@ -84,6 +114,11 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
             livingCounter.decrementAndGet();
             livingCounter = null;
         }
+        if (beforeCloseListener != null)
+            try {
+                beforeCloseListener.accept(this);
+            } catch (Exception io) {
+            }
         if (attributes == null) return;
         try {
             for (Object obj : attributes.values()) {
@@ -128,61 +163,44 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
     /**
      * 创建TCP协议客户端连接
      *
-     * @param address            连接点子
-     * @param group              连接AsynchronousChannelGroup
-     * @param readTimeoutSecond  读取超时秒数
-     * @param writeTimeoutSecond 写入超时秒数
+     * @param address             连接点子
+     * @param group               连接AsynchronousChannelGroup
+     * @param readTimeoutSeconds  读取超时秒数
+     * @param writeTimeoutSeconds 写入超时秒数
      *
      * @return 连接CompletableFuture
      */
     public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SocketAddress address,
-        final int readTimeoutSecond, final int writeTimeoutSecond) {
-        return createTCP(group, null, address, false, readTimeoutSecond, writeTimeoutSecond);
+        final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return createTCP(group, null, address, readTimeoutSeconds, writeTimeoutSeconds);
     }
 
     /**
      * 创建TCP协议客户端连接
      *
-     * @param address            连接点子
-     * @param sslContext         SSLContext
-     * @param group              连接AsynchronousChannelGroup
-     * @param readTimeoutSecond  读取超时秒数
-     * @param writeTimeoutSecond 写入超时秒数
+     * @param address             连接点子
+     * @param sslContext          SSLContext
+     * @param group               连接AsynchronousChannelGroup
+     * @param readTimeoutSeconds  读取超时秒数
+     * @param writeTimeoutSeconds 写入超时秒数
      *
      * @return 连接CompletableFuture
      */
     public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SSLContext sslContext,
-        final SocketAddress address, final int readTimeoutSecond, final int writeTimeoutSecond) {
-        return createTCP(group, sslContext, address, false, readTimeoutSecond, writeTimeoutSecond);
-    }
-
-    /**
-     * 创建TCP协议客户端连接
-     *
-     * @param address            连接点子
-     * @param sslContext         SSLContext
-     * @param group              连接AsynchronousChannelGroup
-     * @param noDelay            TcpNoDelay
-     * @param readTimeoutSecond  读取超时秒数
-     * @param writeTimeoutSecond 写入超时秒数
-     *
-     * @return 连接CompletableFuture
-     */
-    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SSLContext sslContext,
-        final SocketAddress address, final boolean noDelay, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        final SocketAddress address, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
         final CompletableFuture<AsyncConnection> future = new CompletableFuture<>();
         try {
             final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
+            try {
+                channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+            } catch (IOException e) {
+            }
             channel.connect(address, null, new CompletionHandler<Void, Void>() {
                 @Override
                 public void completed(Void result, Void attachment) {
-                    if (noDelay) {
-                        try {
-                            channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-                        } catch (IOException e) {
-                        }
-                    }
-                    future.complete(create(channel, sslContext, address, readTimeoutSecond, writeTimeoutSecond));
+                    future.complete(create(channel, sslContext, address, readTimeoutSeconds, writeTimeoutSeconds));
                 }
 
                 @Override
@@ -196,287 +214,6 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         return future;
     }
 
-    private static class BIOUDPAsyncConnection extends AsyncConnection {
-
-        private int readTimeoutSecond;
-
-        private int writeTimeoutSecond;
-
-        private final DatagramChannel channel;
-
-        private final SocketAddress remoteAddress;
-
-        private final boolean client;
-
-        public BIOUDPAsyncConnection(final DatagramChannel ch, SocketAddress addr,
-            final boolean client0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.channel = ch;
-            this.client = client0;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return this.readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return this.writeTimeoutSecond;
-        }
-
-        @Override
-        public final SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            try {
-                return channel.getLocalAddress();
-            } catch (IOException e) {
-                return null;
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = 0;
-                for (int i = offset; i < offset + length; i++) {
-                    rs += channel.send(srcs[i], remoteAddress);
-                    if (i != offset) Thread.sleep(10);
-                }
-                this.writetime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (Exception e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = channel.read(dst);
-                this.readtime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> read(ByteBuffer dst) {
-            try {
-                int rs = channel.read(dst);
-                this.readtime = System.currentTimeMillis();
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = channel.send(src, remoteAddress);
-                this.writetime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> write(ByteBuffer src) {
-            try {
-                int rs = channel.send(src, remoteAddress);
-                this.writetime = System.currentTimeMillis();
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public final void close() throws IOException {
-            super.close();
-            if (client) channel.close();
-        }
-
-        @Override
-        public final boolean isOpen() {
-            return channel.isOpen();
-        }
-
-        @Override
-        public final boolean isTCP() {
-            return false;
-        }
-    }
-
-    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
-        final boolean client0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-        return new BIOUDPAsyncConnection(ch, addr, client0, readTimeoutSecond0, writeTimeoutSecond0);
-    }
-
-    private static class BIOTCPAsyncConnection extends AsyncConnection {
-
-        private int readTimeoutSecond;
-
-        private int writeTimeoutSecond;
-
-        private final Socket socket;
-
-        private final ReadableByteChannel readChannel;
-
-        private final WritableByteChannel writeChannel;
-
-        private final SocketAddress remoteAddress;
-
-        public BIOTCPAsyncConnection(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.socket = socket;
-            ReadableByteChannel rc = null;
-            WritableByteChannel wc = null;
-            try {
-                socket.setSoTimeout(Math.max(readTimeoutSecond0, writeTimeoutSecond0));
-                rc = Channels.newChannel(socket.getInputStream());
-                wc = Channels.newChannel(socket.getOutputStream());
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            this.readChannel = rc;
-            this.writeChannel = wc;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            SocketAddress addr = addr0;
-            if (addr == null) {
-                try {
-                    addr = socket.getRemoteSocketAddress();
-                } catch (Exception e) {
-                    //do nothing
-                }
-            }
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public boolean isTCP() {
-            return true;
-        }
-
-        @Override
-        public SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            return socket.getLocalSocketAddress();
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return writeTimeoutSecond;
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = 0;
-                for (int i = offset; i < offset + length; i++) {
-                    rs += writeChannel.write(srcs[i]);
-                }
-                this.writetime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = readChannel.read(dst);
-                this.readtime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> read(ByteBuffer dst) {
-            try {
-                int rs = readChannel.read(dst);
-                this.readtime = System.currentTimeMillis();
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = writeChannel.write(src);
-                this.writetime = System.currentTimeMillis();
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> write(ByteBuffer src) {
-            try {
-                int rs = writeChannel.write(src);
-                this.writetime = System.currentTimeMillis();
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public void close() throws IOException {
-            super.close();
-            this.socket.close();
-        }
-
-        @Override
-        public boolean isOpen() {
-            return !socket.isClosed();
-        }
-    }
-
     /**
      * 通常用于 ssl socket
      *
@@ -489,150 +226,68 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
     }
 
     public static AsyncConnection create(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-        return new BIOTCPAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0);
+        return new TcpBioAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0, null, null);
     }
 
-    private static class AIOTCPAsyncConnection extends AsyncConnection {
+    public static AsyncConnection create(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0,
+        final int writeTimeoutSecond0, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpBioAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0, livingCounter, closedCounter);
+    }
 
-        private int readTimeoutSecond;
+    public static AsyncConnection create(final SocketChannel ch, SocketAddress addr, final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0) {
+        return new TcpNioAsyncConnection(ch, addr, selector, readTimeoutSeconds0, writeTimeoutSeconds0, null, null);
+    }
 
-        private int writeTimeoutSecond;
+    public static AsyncConnection create(final SocketChannel ch, final SocketAddress addr0, final Selector selector, final Context context) {
+        return new TcpNioAsyncConnection(ch, addr0, selector, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+    }
 
-        private final AsynchronousSocketChannel channel;
+    public static AsyncConnection create(final SocketChannel ch, SocketAddress addr, final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpNioAsyncConnection(ch, addr, selector, readTimeoutSeconds0, writeTimeoutSeconds0, livingCounter, closedCounter);
+    }
 
-        private final SocketAddress remoteAddress;
-
-        public AIOTCPAsyncConnection(final AsynchronousSocketChannel ch, SSLContext sslContext,
-            final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.channel = ch;
-            this.sslContext = sslContext;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            SocketAddress addr = addr0;
-            if (addr == null) {
-                try {
-                    addr = ch.getRemoteAddress();
-                } catch (Exception e) {
-                    //do nothing
-                }
-            }
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            this.readtime = System.currentTimeMillis();
-            if (readTimeoutSecond > 0) {
-                channel.read(dst, readTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
-            } else {
-                channel.read(dst, attachment, handler);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            this.writetime = System.currentTimeMillis();
-            if (writeTimeoutSecond > 0) {
-                channel.write(src, writeTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
-            } else {
-                channel.write(src, attachment, handler);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
-            this.writetime = System.currentTimeMillis();
-            channel.write(srcs, offset, length, writeTimeoutSecond > 0 ? writeTimeoutSecond : 60, TimeUnit.SECONDS,
-                attachment, new CompletionHandler<Long, A>() {
-
-                @Override
-                public void completed(Long result, A attachment) {
-                    handler.completed(result.intValue(), attachment);
-                }
-
-                @Override
-                public void failed(Throwable exc, A attachment) {
-                    handler.failed(exc, attachment);
-                }
-
-            });
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return this.readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return this.writeTimeoutSecond;
-        }
-
-        @Override
-        public final SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            try {
-                return channel.getLocalAddress();
-            } catch (IOException e) {
-                return null;
-            }
-        }
-
-        @Override
-        public final Future<Integer> read(ByteBuffer dst) {
-            return channel.read(dst);
-        }
-
-        @Override
-        public final Future<Integer> write(ByteBuffer src) {
-            return channel.write(src);
-        }
-
-        @Override
-        public final void close() throws IOException {
-            super.close();
-            channel.close();
-        }
-
-        @Override
-        public final boolean isOpen() {
-            return channel.isOpen();
-        }
-
-        @Override
-        public final boolean isTCP() {
-            return true;
-        }
+    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0) {
+        return new UdpBioAsyncConnection(ch, addr, client0, readTimeoutSeconds0, writeTimeoutSeconds0, null, null);
+    }
 
+    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new UdpBioAsyncConnection(ch, addr, client0, readTimeoutSeconds0, writeTimeoutSeconds0, livingCounter, closedCounter);
     }
 
     public static AsyncConnection create(final AsynchronousSocketChannel ch) {
         return create(ch, null, 0, 0);
     }
 
-    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSecond, final int writeTimeoutSecond) {
-        return new AIOTCPAsyncConnection(ch, null, addr0, readTimeoutSecond, writeTimeoutSecond);
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return new TcpAioAsyncConnection(ch, null, addr0, readTimeoutSeconds, writeTimeoutSeconds, null, null);
     }
 
-    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSecond, final int writeTimeoutSecond) {
-        return new AIOTCPAsyncConnection(ch, sslContext, addr0, readTimeoutSecond, writeTimeoutSecond);
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return new TcpAioAsyncConnection(ch, sslContext, addr0, readTimeoutSeconds, writeTimeoutSeconds, null, null);
     }
 
     public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final Context context) {
-        return new AIOTCPAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSecond, context.writeTimeoutSecond);
+        return new TcpAioAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSeconds,
+        final int writeTimeoutSeconds, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, null, addr0, readTimeoutSeconds, writeTimeoutSeconds, livingCounter, closedCounter);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSeconds,
+        final int writeTimeoutSeconds, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, sslContext, addr0, readTimeoutSeconds, writeTimeoutSeconds, livingCounter, closedCounter);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0,
+        final Context context, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSeconds, context.writeTimeoutSeconds, livingCounter, closedCounter);
     }
 }

src/org/redkale/net/Context.java

@@ -28,8 +28,6 @@ import org.redkale.util.*;
  */
 public class Context {
 
-    private static final Charset UTF8 = Charset.forName("UTF-8");
-
     //服务启动时间
     protected final long serverStartTime;
 
@@ -57,14 +55,20 @@ public class Context {
     //字符集
     protected final Charset charset;
 
+    //最大连接数, 为0表示没限制
+    protected final int maxconns;
+
     //请求内容的大小上限, 默认64K
     protected final int maxbody;
 
+    //keep alive IO读取的超时时间
+    protected final int aliveTimeoutSeconds;
+
     //IO读取的超时时间
-    protected final int readTimeoutSecond;
+    protected final int readTimeoutSeconds;
 
     //IO写入的超时时间
-    protected final int writeTimeoutSecond;
+    protected final int writeTimeoutSeconds;
 
     //日志Logger
     protected final Logger logger;
@@ -78,10 +82,17 @@ public class Context {
     //依赖注入工厂类
     protected final ResourceFactory resourceFactory;
 
+    public Context(ContextConfig config) {
+        this(config.serverStartTime, config.logger, config.executor, config.sslContext,
+            config.bufferCapacity, config.bufferPool, config.responsePool, config.maxconns, config.maxbody,
+            config.charset, config.address, config.resourceFactory, config.prepare,
+            config.aliveTimeoutSeconds, config.readTimeoutSeconds, config.writeTimeoutSeconds);
+    }
+
     public Context(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
-        int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
+        int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool, final int maxconns,
         final int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
-        final PrepareServlet prepare, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        final PrepareServlet prepare, final int aliveTimeoutSeconds, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
         this.serverStartTime = serverStartTime;
         this.logger = logger;
         this.executor = executor;
@@ -89,13 +100,15 @@ public class Context {
         this.bufferCapacity = bufferCapacity;
         this.bufferPool = bufferPool;
         this.responsePool = responsePool;
+        this.maxconns = maxconns;
         this.maxbody = maxbody;
-        this.charset = UTF8.equals(charset) ? null : charset;
+        this.charset = StandardCharsets.UTF_8.equals(charset) ? null : charset;
         this.address = address;
         this.prepare = prepare;
         this.resourceFactory = resourceFactory;
-        this.readTimeoutSecond = readTimeoutSecond;
-        this.writeTimeoutSecond = writeTimeoutSecond;
+        this.aliveTimeoutSeconds = aliveTimeoutSeconds;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
         this.jsonFactory = JsonFactory.root();
         this.bsonFactory = BsonFactory.root();
     }
@@ -108,6 +121,10 @@ public class Context {
         return sslContext;
     }
 
+    public int getMaxconns() {
+        return maxconns;
+    }
+
     public int getMaxbody() {
         return maxbody;
     }
@@ -144,7 +161,7 @@ public class Context {
         return bufferPool;
     }
 
-    public Consumer<ByteBuffer> getBufferConsumer() {
+    protected Consumer<ByteBuffer> getBufferConsumer() {
         return bufferPool;
     }
 
@@ -152,11 +169,11 @@ public class Context {
         return bufferPool.get();
     }
 
-    public void offerBuffer(ByteBuffer buffer) {
+    protected void offerBuffer(ByteBuffer buffer) {
         bufferPool.accept(buffer);
     }
 
-    public void offerBuffer(ByteBuffer... buffers) {
+    protected void offerBuffer(ByteBuffer... buffers) {
         if (buffers == null) return;
         for (ByteBuffer buffer : buffers) {
             bufferPool.accept(buffer);
@@ -167,12 +184,16 @@ public class Context {
         return logger;
     }
 
-    public int getReadTimeoutSecond() {
-        return readTimeoutSecond;
+    public int getAliveTimeoutSeconds() {
+        return aliveTimeoutSeconds;
     }
 
-    public int getWriteTimeoutSecond() {
-        return writeTimeoutSecond;
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
     }
 
     public JsonConvert getJsonConvert() {
@@ -182,4 +203,60 @@ public class Context {
     public BsonConvert getBsonConvert() {
         return bsonFactory.getConvert();
     }
+
+    public static class ContextConfig {
+
+        //服务启动时间
+        public long serverStartTime;
+
+        //Server的线程池
+        public ThreadPoolExecutor executor;
+
+        //SSL
+        public SSLContext sslContext;
+
+        //ByteBuffer的容量，默认8K
+        public int bufferCapacity;
+
+        //ByteBuffer对象池
+        public ObjectPool<ByteBuffer> bufferPool;
+
+        //Response对象池
+        public ObjectPool<Response> responsePool;
+
+        //服务的根Servlet
+        public PrepareServlet prepare;
+
+        //服务的监听地址
+        public InetSocketAddress address;
+
+        //字符集
+        public Charset charset;
+
+        //请求内容的大小上限, 默认64K
+        public int maxbody;
+
+        //最大连接数, 为0表示没限制
+        public int maxconns;
+
+        //keep alive IO读取的超时时间
+        public int aliveTimeoutSeconds;
+
+        //IO读取的超时时间
+        public int readTimeoutSeconds;
+
+        //IO写入的超时时间
+        public int writeTimeoutSeconds;
+
+        //日志Logger
+        public Logger logger;
+
+        //依赖注入工厂类
+        public ResourceFactory resourceFactory;
+
+        @Override
+        public String toString() {
+            return JsonConvert.root().convertTo(this);
+        }
+    }
 }

src/org/redkale/net/PrepareRunner.java

@@ -7,6 +7,7 @@ package org.redkale.net;
 
 import java.nio.*;
 import java.nio.channels.*;
+import java.util.concurrent.TimeUnit;
 import java.util.logging.*;
 import org.redkale.util.*;
 
@@ -27,20 +28,24 @@ public final class PrepareRunner implements Runnable {
 
     private ByteBuffer data;
 
-    public PrepareRunner(Context context, AsyncConnection channel, ByteBuffer data) {
+    private Response response;
+
+    public PrepareRunner(Context context, AsyncConnection channel, ByteBuffer data, Response response) {
         this.context = context;
         this.channel = channel;
         this.data = data;
+        this.response = response;
     }
 
     @Override
     public void run() {
+        final boolean keepalive = response != null;
         final PrepareServlet prepare = context.prepare;
         final ObjectPool<? extends Response> responsePool = context.responsePool;
         if (data != null) { //BIO模式的UDP连接创建AsyncConnection时已经获取到ByteBuffer数据了
-            final Response response = responsePool.get();
-            response.init(channel);
+            if (response == null) response = responsePool.get();
             try {
+                response.init(channel);
                 prepare.prepare(data, response.request, response);
             } catch (Throwable t) {
                 context.logger.log(Level.WARNING, "prepare servlet abort, forece to close channel ", t);
@@ -48,20 +53,18 @@ public final class PrepareRunner implements Runnable {
             }
             return;
         }
-        final Response response = responsePool.get();
+        if (response == null) response = responsePool.get();
         final ByteBuffer buffer = response.request.pollReadBuffer();
         try {
-            channel.read(buffer, null, new CompletionHandler<Integer, Void>() {
+            channel.read(buffer, keepalive ? context.getAliveTimeoutSeconds() : 0, TimeUnit.SECONDS, null,
+                new CompletionHandler<Integer, Void>() {
                 @Override
                 public void completed(Integer count, Void attachment1) {
-                    if (count < 1 && buffer.remaining() == buffer.limit()) {
-                        try {
-                            response.request.offerReadBuffer(buffer);
-                            response.finish(true);
-                            channel.close();
-                        } catch (Exception e) {
-                            context.logger.log(Level.FINEST, "PrepareRunner close channel erroneous on no read bytes", e);
-                        }
+                    if (count < 1) {
+                        response.request.offerReadBuffer(buffer);
+                        channel.dispose();// response.init(channel); 在调用之前异常
+                        response.removeChannel();
+                        response.finish(true);
                         return;
                     }
 //                    {  //测试
@@ -83,22 +86,22 @@ public final class PrepareRunner implements Runnable {
                 @Override
                 public void failed(Throwable exc, Void attachment2) {
                     response.request.offerReadBuffer(buffer);
+                    channel.dispose();// response.init(channel); 在调用之前异常
+                    response.removeChannel();
                     response.finish(true);
-                    try {
-                        channel.close();
-                    } catch (Exception e) {
+                    if (exc != null && context.logger.isLoggable(Level.FINEST)) {
+                        context.logger.log(Level.FINEST, "Servlet Handler read channel erroneous, forece to close channel ", exc);
                     }
-                    if (exc != null) context.logger.log(Level.FINEST, "Servlet Handler read channel erroneous, forece to close channel ", exc);
                 }
             });
         } catch (Exception te) {
             response.request.offerReadBuffer(buffer);
+            channel.dispose();// response.init(channel); 在调用之前异常
+            response.removeChannel();
             response.finish(true);
-            try {
-                channel.close();
-            } catch (Exception e) {
+            if (te != null && context.logger.isLoggable(Level.FINEST)) {
+                context.logger.log(Level.FINEST, "Servlet read channel erroneous, forece to close channel ", te);
             }
-            if (te != null) context.logger.log(Level.FINEST, "Servlet read channel erroneous, forece to close channel ", te);
         }
     }
 

src/org/redkale/net/ProtocolServer.java

@@ -7,11 +7,9 @@ package org.redkale.net;
 
 import java.io.IOException;
 import java.net.*;
-import java.nio.ByteBuffer;
-import java.nio.channels.*;
 import java.util.*;
-import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import org.redkale.util.AnyValue;
 
 /**
  * 协议底层Server
@@ -32,10 +30,12 @@ public abstract class ProtocolServer {
     //在线数
     protected final AtomicLong livingCounter = new AtomicLong();
 
+    protected final Context context;
+
     //最大连接数，小于1表示无限制
     protected int maxconns;
 
-    public abstract void open() throws IOException;
+    public abstract void open(AnyValue config) throws IOException;
 
     public abstract void bind(SocketAddress local, int backlog) throws IOException;
 
@@ -43,15 +43,14 @@ public abstract class ProtocolServer {
 
     public abstract <T> void setOption(SocketOption<T> name, T value) throws IOException;
 
-    public abstract void accept();
-
-    public void setMaxconns(int maxconns) {
-        this.maxconns = maxconns;
-    }
+    public abstract void accept() throws IOException;
 
     public abstract void close() throws IOException;
 
-    public abstract AsynchronousChannelGroup getChannelGroup();
+    protected ProtocolServer(Context context) {
+        this.context = context;
+        this.maxconns = context.getMaxconns();
+    }
 
     public long getCreateCount() {
         return createCounter.longValue();
@@ -66,176 +65,31 @@ public abstract class ProtocolServer {
     }
 
     //---------------------------------------------------------------------
-    public static ProtocolServer create(String protocol, Context context) {
-        if ("TCP".equalsIgnoreCase(protocol)) return new ProtocolTCPServer(context);
-        if ("UDP".equalsIgnoreCase(protocol)) return new ProtocolUDPServer(context);
-        throw new RuntimeException("ProtocolServer not support protocol " + protocol);
-    }
-
-    private static final class ProtocolUDPServer extends ProtocolServer {
-
-        private boolean running;
-
-        private final Context context;
-
-        private DatagramChannel serverChannel;
-
-        public ProtocolUDPServer(Context context) {
-            this.context = context;
-        }
-
-        @Override
-        public void open() throws IOException {
-            DatagramChannel ch = DatagramChannel.open();
-            ch.configureBlocking(true);
-            this.serverChannel = ch;
-        }
-
-        @Override
-        public void bind(SocketAddress local, int backlog) throws IOException {
-            this.serverChannel.bind(local);
-        }
-
-        @Override
-        public <T> void setOption(SocketOption<T> name, T value) throws IOException {
-            this.serverChannel.setOption(name, value);
-        }
-
-        @Override
-        public <T> Set<SocketOption<?>> supportedOptions() {
-            return this.serverChannel.supportedOptions();
-        }
-
-        @Override
-        public void accept() {
-            final DatagramChannel serchannel = this.serverChannel;
-            final int readTimeoutSecond = this.context.readTimeoutSecond;
-            final int writeTimeoutSecond = this.context.writeTimeoutSecond;
-            final CountDownLatch cdl = new CountDownLatch(1);
-            this.running = true;
-            new Thread() {
-                @Override
-                public void run() {
-                    cdl.countDown();
-                    while (running) {
-                        final ByteBuffer buffer = context.pollBuffer();
-                        try {
-                            SocketAddress address = serchannel.receive(buffer);
-                            buffer.flip();
-                            AsyncConnection conn = AsyncConnection.create(serchannel, address, false, readTimeoutSecond, writeTimeoutSecond);
-                            context.runAsync(new PrepareRunner(context, conn, buffer));
-                        } catch (Exception e) {
-                            context.offerBuffer(buffer);
-                        }
-                    }
-                }
-            }.start();
-            try {
-                cdl.await();
-            } catch (Exception e) {
-                e.printStackTrace();
+    public static ProtocolServer create(String protocol, Context context, ClassLoader classLoader, String netimpl) {
+        if (netimpl != null) netimpl = netimpl.trim();
+        if ("TCP".equalsIgnoreCase(protocol)) {
+            if (netimpl == null || netimpl.isEmpty()) {
+                return new TcpAioProtocolServer(context);
+            } else if ("aio".equalsIgnoreCase(netimpl)) {
+                return new TcpAioProtocolServer(context);
+            } else if ("nio".equalsIgnoreCase(netimpl)) {
+                return new TcpNioProtocolServer(context);
             }
+        } else if ("UDP".equalsIgnoreCase(protocol)) {
+            if (netimpl == null || netimpl.isEmpty()) {
+                return new UdpBioProtocolServer(context);
+            } else if ("bio".equalsIgnoreCase(netimpl)) {
+                return new UdpBioProtocolServer(context);
+            }
+        } else if (netimpl == null || netimpl.isEmpty()) {
+            throw new RuntimeException("ProtocolServer not support protocol " + protocol);
         }
-
-        @Override
-        public void close() throws IOException {
-            this.running = false;
-            this.serverChannel.close();
-        }
-
-        @Override
-        public AsynchronousChannelGroup getChannelGroup() {
-            return null;
-        }
-
-        @Override
-        public long getCreateCount() {
-            return -1;
-        }
-
-        @Override
-        public long getClosedCount() {
-            return -1;
-        }
-
-        @Override
-        public long getLivingCount() {
-            return -1;
-        }
-    }
-
-    private static final class ProtocolTCPServer extends ProtocolServer {
-
-        private final Context context;
-
-        private AsynchronousChannelGroup group;
-
-        private AsynchronousServerSocketChannel serverChannel;
-
-        public ProtocolTCPServer(Context context) {
-            this.context = context;
-        }
-
-        @Override
-        public void open() throws IOException {
-            group = AsynchronousChannelGroup.withCachedThreadPool(context.executor, 1);
-            this.serverChannel = AsynchronousServerSocketChannel.open(group);
-        }
-
-        @Override
-        public void bind(SocketAddress local, int backlog) throws IOException {
-            this.serverChannel.bind(local, backlog);
-        }
-
-        @Override
-        public <T> void setOption(SocketOption<T> name, T value) throws IOException {
-            this.serverChannel.setOption(name, value);
-        }
-
-        @Override
-        public <T> Set<SocketOption<?>> supportedOptions() {
-            return this.serverChannel.supportedOptions();
-        }
-
-        @Override
-        public void accept() {
-            final AsynchronousServerSocketChannel serchannel = this.serverChannel;
-            serchannel.accept(null, new CompletionHandler<AsynchronousSocketChannel, Void>() {
-
-                @Override
-                public void completed(final AsynchronousSocketChannel channel, Void attachment) {
-                    serchannel.accept(null, this);
-                    if (maxconns > 0 && livingCounter.get() >= maxconns) {
-                        try {
-                            channel.close();
-                        } catch (Exception e) {
-                        }
-                        return;
-                    }
-                    createCounter.incrementAndGet();
-                    livingCounter.incrementAndGet();
-                    AsyncConnection conn = AsyncConnection.create(channel, null, context);
-                    conn.livingCounter = livingCounter;
-                    conn.closedCounter = closedCounter;
-                    context.runAsync(new PrepareRunner(context, conn, null));
-                }
-
-                @Override
-                public void failed(Throwable exc, Void attachment) {
-                    serchannel.accept(null, this);
-                    //if (exc != null) context.logger.log(Level.FINEST, AsynchronousServerSocketChannel.class.getSimpleName() + " accept erroneous", exc);
-                }
-            });
-        }
-
-        @Override
-        public void close() throws IOException {
-            this.serverChannel.close();
-        }
-
-        @Override
-        public AsynchronousChannelGroup getChannelGroup() {
-            return this.group;
+        try {
+            if (classLoader == null) classLoader = Thread.currentThread().getContextClassLoader();
+            Class clazz = classLoader.loadClass(netimpl);
+            return (ProtocolServer) clazz.getDeclaredConstructor(Context.class).newInstance(context);
+        } catch (Exception e) {
+            throw new RuntimeException("ProtocolServer(netimple=" + netimpl + ") newinstance error", e);
         }
     }
 

src/org/redkale/net/Request.java

@@ -91,7 +91,7 @@ public abstract class Request<C extends Context> {
         createtime = 0;
         keepAlive = false;
         attributes.clear();
-        channel = null; //   close it by  response
+        channel = null; // close it by response
     }
 
     protected <T> T setProperty(String name, T value) {

src/org/redkale/net/Response.java

@@ -156,6 +156,10 @@ public abstract class Response<C extends Context, R extends Request<C>> {
         return bodyBufferSupplier;
     }
 
+    protected void offerBuffer(ByteBuffer... buffers) {
+        context.offerBuffer(buffers);
+    }
+
     protected AsyncConnection removeChannel() {
         AsyncConnection ch = this.channel;
         this.channel = null;
@@ -169,28 +173,12 @@ public abstract class Response<C extends Context, R extends Request<C>> {
 
     protected boolean recycle() {
         if (!inited) return false;
-        boolean keepAlive = request.keepAlive;
-        if (recycleListener != null) {
-            try {
-                recycleListener.accept(request, this);
-            } catch (Exception e) {
-                context.logger.log(Level.WARNING, "Response.recycleListener error, request = " + request, e);
-            }
-            recycleListener = null;
-        }
         this.output = null;
         this.filter = null;
         this.servlet = null;
         request.recycle();
         if (channel != null) {
-            if (keepAlive) {
-                this.context.runAsync(new PrepareRunner(context, channel, null));
-            } else {
-                try {
-                    if (channel.isOpen()) channel.close();
-                } catch (Exception e) {
-                }
-            }
+            channel.dispose();
             channel = null;
         }
         this.inited = false;
@@ -255,7 +243,26 @@ public abstract class Response<C extends Context, R extends Request<C>> {
         if (!this.inited) return; //避免重复关闭
         //System.println("耗时: " + (System.currentTimeMillis() - request.createtime));
         if (kill) refuseAlive();
-        this.context.responsePool.accept(this);
+        if (this.recycleListener != null) {
+            try {
+                this.recycleListener.accept(request, this);
+            } catch (Exception e) {
+                context.logger.log(Level.WARNING, "Response.recycleListener error, request = " + request, e);
+            }
+            this.recycleListener = null;
+        }
+        if (request.keepAlive && channel != null) {
+            if (channel.isOpen()) {
+                AsyncConnection conn = removeChannel();
+                this.recycle();
+                this.prepare();
+                new PrepareRunner(context, conn, null, this).run();
+            } else {
+                channel.dispose();
+            }
+        } else {
+            this.context.responsePool.accept(this);
+        }
     }
 
     public void finish(final byte[] bs) {

src/org/redkale/net/Server.java

@@ -34,6 +34,8 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
 
     public static final String RESNAME_SERVER_EXECUTOR = "SERVER_EXECUTOR";
 
+    public static final String RESNAME_SERVER_RESFACTORY = "SERVER_RESFACTORY";
+
     protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
 
     //-------------------------------------------------------------
@@ -52,6 +54,9 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     //服务的根Servlet
     protected final PrepareServlet<K, C, R, P, S> prepare;
 
+    //ClassLoader
+    protected RedkaleClassLoader serverClassLoader;
+
     //SSL
     protected SSLContext sslContext;
 
@@ -88,17 +93,20 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     //Response池大小
     protected int responsePoolSize;
 
+    //最大连接数, 为0表示没限制
+    protected int maxconns;
+
     //请求包大小的上限，单位:字节
     protected int maxbody;
 
+    //Keep-Alive IO读取的超时秒数，小于1视为不设置
+    protected int aliveTimeoutSeconds;
+
     //IO读取的超时秒数，小于1视为不设置
-    protected int readTimeoutSecond;
+    protected int readTimeoutSeconds;
 
     //IO写入 的超时秒数，小于1视为不设置
-    protected int writeTimeoutSecond;
-
-    //最大连接数
-    protected int maxconns;
+    protected int writeTimeoutSeconds;
 
     protected Server(long serverStartTime, String protocol, ResourceFactory resourceFactory, PrepareServlet<K, C, R, P, S> servlet) {
         this.serverStartTime = serverStartTime;
@@ -113,13 +121,14 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         this.address = new InetSocketAddress(config.getValue("host", "0.0.0.0"), config.getIntValue("port", 80));
         this.charset = Charset.forName(config.getValue("charset", "UTF-8"));
         this.maxconns = config.getIntValue("maxconns", 0);
-        this.readTimeoutSecond = config.getIntValue("readTimeoutSecond", 0);
-        this.writeTimeoutSecond = config.getIntValue("writeTimeoutSecond", 0);
-        this.backlog = parseLenth(config.getValue("backlog"), 16 * 1024);
+        this.aliveTimeoutSeconds = config.getIntValue("aliveTimeoutSeconds", 30);
+        this.readTimeoutSeconds = config.getIntValue("readTimeoutSeconds", 0);
+        this.writeTimeoutSeconds = config.getIntValue("writeTimeoutSeconds", 0);
+        this.backlog = parseLenth(config.getValue("backlog"), 8 * 1024);
         this.maxbody = parseLenth(config.getValue("maxbody"), 64 * 1024);
         int bufCapacity = parseLenth(config.getValue("bufferCapacity"), 32 * 1024);
         this.bufferCapacity = bufCapacity < 8 * 1024 ? 8 * 1024 : bufCapacity;
-        this.threads = config.getIntValue("threads", Runtime.getRuntime().availableProcessors() * 8);
+        this.threads = config.getIntValue("threads", Runtime.getRuntime().availableProcessors() * 32);
         this.bufferPoolSize = config.getIntValue("bufferPoolSize", this.threads * 4);
         this.responsePoolSize = config.getIntValue("responsePoolSize", this.threads * 2);
         this.name = config.getValue("name", "Server-" + protocol + "-" + this.address.getPort());
@@ -205,6 +214,54 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         return this.context;
     }
 
+    public long getServerStartTime() {
+        return serverStartTime;
+    }
+
+    public Charset getCharset() {
+        return charset;
+    }
+
+    public int getBacklog() {
+        return backlog;
+    }
+
+    public int getBufferCapacity() {
+        return bufferCapacity;
+    }
+
+    public int getThreads() {
+        return threads;
+    }
+
+    public int getBufferPoolSize() {
+        return bufferPoolSize;
+    }
+
+    public int getResponsePoolSize() {
+        return responsePoolSize;
+    }
+
+    public int getMaxbody() {
+        return maxbody;
+    }
+
+    public int getAliveTimeoutSeconds() {
+        return aliveTimeoutSeconds;
+    }
+
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
+    }
+
+    public int getMaxconns() {
+        return maxconns;
+    }
+
     public void setThreads(int threads) {
         int oldthreads = this.threads;
         this.context.executor.setCorePoolSize(threads);
@@ -220,13 +277,9 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     public void start() throws IOException {
         this.context = this.createContext();
         this.prepare.init(this.context, config);
-        this.serverChannel = ProtocolServer.create(this.protocol, context);
-        this.serverChannel.open();
-        if (this.serverChannel.supportedOptions().contains(StandardSocketOptions.TCP_NODELAY)) {
-            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-        }
+        this.serverChannel = ProtocolServer.create(this.protocol, context, this.serverClassLoader, config == null ? null : config.getValue("netimpl"));
+        this.serverChannel.open(config);
         serverChannel.bind(address, backlog);
-        serverChannel.setMaxconns(this.maxconns);
         serverChannel.accept();
         final String threadName = "[" + Thread.currentThread().getName() + "] ";
         logger.info(threadName + this.getClass().getSimpleName() + ("TCP".equalsIgnoreCase(protocol) ? "" : ("." + protocol)) + " listen: " + address
@@ -249,6 +302,14 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         logger.info(this.getClass().getSimpleName() + " shutdown in " + e + " ms");
     }
 
+    public RedkaleClassLoader getServerClassLoader() {
+        return serverClassLoader;
+    }
+
+    public void setServerClassLoader(RedkaleClassLoader serverClassLoader) {
+        this.serverClassLoader = serverClassLoader;
+    }
+
     /**
      * 判断是否存在Filter
      *

src/org/redkale/net/TcpAioAsyncConnection.java

@@ -0,0 +1,194 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+import javax.net.ssl.SSLContext;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpAioAsyncConnection extends AsyncConnection {
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final AsynchronousSocketChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    public TcpAioAsyncConnection(final AsynchronousSocketChannel ch, SSLContext sslContext,
+        final SocketAddress addr0, final int readTimeoutSeconds, final int writeTimeoutSeconds,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.sslContext = sslContext;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.channel.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.channel.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        this.readtime = System.currentTimeMillis();
+        if (readTimeoutSeconds > 0) {
+            channel.read(dst, readTimeoutSeconds, TimeUnit.SECONDS, attachment, handler);
+        } else {
+            channel.read(dst, attachment, handler);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        this.readtime = System.currentTimeMillis();
+        channel.read(dst, timeout < 0 ? 0 : timeout, unit, attachment, handler);
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        this.writetime = System.currentTimeMillis();
+        if (writeTimeoutSeconds > 0) {
+            channel.write(src, writeTimeoutSeconds, TimeUnit.SECONDS, attachment, handler);
+        } else {
+            channel.write(src, attachment, handler);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
+        this.writetime = System.currentTimeMillis();
+        channel.write(srcs, offset, length, writeTimeoutSeconds > 0 ? writeTimeoutSeconds : 60, TimeUnit.SECONDS,
+            attachment, new CompletionHandler<Long, A>() {
+
+            @Override
+            public void completed(Long result, A attachment) {
+                handler.completed(result.intValue(), attachment);
+            }
+
+            @Override
+            public void failed(Throwable exc, A attachment) {
+                handler.failed(exc, attachment);
+            }
+
+        });
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public final Future<Integer> read(ByteBuffer dst) {
+        return channel.read(dst);
+    }
+
+    @Override
+    public final Future<Integer> write(ByteBuffer src) {
+        return channel.write(src);
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        channel.close();
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return true;
+    }
+
+}

src/org/redkale/net/TcpAioProtocolServer.java

@@ -0,0 +1,116 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.logging.Level;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpAioProtocolServer extends ProtocolServer {
+
+    private AsynchronousChannelGroup group;
+
+    private AsynchronousServerSocketChannel serverChannel;
+
+    public TcpAioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        group = AsynchronousChannelGroup.withThreadPool(context.executor);
+        this.serverChannel = AsynchronousServerSocketChannel.open(group);
+
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local, backlog);
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public void accept() throws IOException {
+        final AsynchronousServerSocketChannel serchannel = this.serverChannel;
+        serchannel.accept(null, new CompletionHandler<AsynchronousSocketChannel, Void>() {
+
+            @Override
+            public void completed(final AsynchronousSocketChannel channel, Void attachment) {
+                serchannel.accept(null, this);
+                if (maxconns > 0 && livingCounter.get() >= maxconns) {
+                    try {
+                        channel.close();
+                    } catch (Exception e) {
+                    }
+                    return;
+                }
+                createCounter.incrementAndGet();
+                livingCounter.incrementAndGet();
+                try {
+                    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                    channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                    channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+                    channel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+                    channel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+                } catch (IOException e) {
+                    context.logger.log(Level.INFO, channel + " setOption error", e);
+                }
+                AsyncConnection conn = new TcpAioAsyncConnection(channel, context.sslContext, null, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+                conn.livingCounter = livingCounter;
+                conn.closedCounter = closedCounter;
+                context.runAsync(new PrepareRunner(context, conn, null, null));
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                serchannel.accept(null, this);
+                //if (exc != null) context.logger.log(Level.FINEST, AsynchronousServerSocketChannel.class.getSimpleName() + " accept erroneous", exc);
+            }
+        });
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.serverChannel.close();
+    }
+
+}

src/org/redkale/net/TcpBioAsyncConnection.java

@@ -0,0 +1,240 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpBioAsyncConnection extends AsyncConnection {
+
+    static final Set<SocketOption<?>> defaultOptions = defaultOptions();
+
+    private static Set<SocketOption<?>> defaultOptions() {
+        HashSet<SocketOption<?>> set = new HashSet<>(5);
+        set.add(StandardSocketOptions.SO_SNDBUF);
+        set.add(StandardSocketOptions.SO_RCVBUF);
+        set.add(StandardSocketOptions.SO_KEEPALIVE);
+        set.add(StandardSocketOptions.SO_REUSEADDR);
+        set.add(StandardSocketOptions.TCP_NODELAY);
+        return Collections.unmodifiableSet(set);
+    }
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final Socket socket;
+
+    private final ReadableByteChannel readChannel;
+
+    private final WritableByteChannel writeChannel;
+
+    private final SocketAddress remoteAddress;
+
+    public TcpBioAsyncConnection(final Socket socket, final SocketAddress addr0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.socket = socket;
+        ReadableByteChannel rc = null;
+        WritableByteChannel wc = null;
+        try {
+            socket.setSoTimeout(Math.max(readTimeoutSeconds0, writeTimeoutSeconds0));
+            rc = Channels.newChannel(socket.getInputStream());
+            wc = Channels.newChannel(socket.getOutputStream());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        this.readChannel = rc;
+        this.writeChannel = wc;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = socket.getRemoteSocketAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public boolean isTCP() {
+        return true;
+    }
+
+    @Override
+    public SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        return socket.getLocalSocketAddress();
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.socket.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.socket.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            if (StandardSocketOptions.SO_REUSEADDR == name) {
+                this.socket.setReuseAddress((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_KEEPALIVE == name) {
+                this.socket.setKeepAlive((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.TCP_NODELAY == name) {
+                this.socket.setTcpNoDelay((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_RCVBUF == name) {
+                this.socket.setReceiveBufferSize((Integer) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_SNDBUF == name) {
+                this.socket.setSendBufferSize((Integer) value);
+                return true;
+            }
+        } catch (IOException e) {
+            return false;
+        }
+        return false;
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return defaultOptions;
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = 0;
+            for (int i = offset; i < offset + length; i++) {
+                rs += writeChannel.write(srcs[i]);
+            }
+            this.writetime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (IOException e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = readChannel.read(dst);
+            this.readtime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (IOException e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    public Future<Integer> read(ByteBuffer dst) {
+        try {
+            int rs = readChannel.read(dst);
+            this.readtime = System.currentTimeMillis();
+            return CompletableFuture.completedFuture(rs);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = writeChannel.write(src);
+            this.writetime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (IOException e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public Future<Integer> write(ByteBuffer src) {
+        try {
+            int rs = writeChannel.write(src);
+            this.writetime = System.currentTimeMillis();
+            return CompletableFuture.completedFuture(rs);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        this.socket.close();
+    }
+
+    @Override
+    public boolean isOpen() {
+        return !socket.isClosed();
+    }
+}

src/org/redkale/net/TcpNioAsyncConnection.java

@@ -0,0 +1,365 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpNioAsyncConnection extends AsyncConnection {
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final Selector selector;
+
+    private SelectionKey key;
+
+    private final SocketChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    ByteBuffer readBuffer;
+
+    Object readAttachment;
+
+    CompletionHandler readHandler;
+
+    ByteBuffer writeOneBuffer;
+
+    ByteBuffer[] writeBuffers;
+
+    int writingCount;
+
+    int writeOffset;
+
+    int writeLength;
+
+    Object writeAttachment;
+
+    CompletionHandler writeHandler;
+
+    public TcpNioAsyncConnection(final SocketChannel ch, SocketAddress addr0,
+        final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.selector = selector;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.channel.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.channel.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    CompletionHandler removeReadHandler() {
+        CompletionHandler handler = this.readHandler;
+        this.readHandler = null;
+        return handler;
+    }
+
+    ByteBuffer removeReadBuffer() {
+        ByteBuffer buffer = this.readBuffer;
+        this.readBuffer = null;
+        return buffer;
+    }
+
+    Object removeReadAttachment() {
+        Object attach = this.readAttachment;
+        this.readAttachment = null;
+        return attach;
+    }
+
+    void completeRead(int rs) {
+        Object attach = this.readAttachment;
+        CompletionHandler handler = this.readHandler;
+        this.readBuffer = null;
+        this.readAttachment = null;
+        this.readHandler = null;
+        handler.completed(rs, attach);
+    }
+
+    void faileRead(Throwable t) {
+        Object attach = this.readAttachment;
+        CompletionHandler handler = this.readHandler;
+        this.readBuffer = null;
+        this.readAttachment = null;
+        this.readHandler = null;
+        handler.failed(t, attach);
+    }
+
+    CompletionHandler removeWriteHandler() {
+        CompletionHandler handler = this.writeHandler;
+        this.writeHandler = null;
+        return handler;
+    }
+
+    ByteBuffer removeWriteOneBuffer() {
+        ByteBuffer buffer = this.writeOneBuffer;
+        this.writeOneBuffer = null;
+        return buffer;
+    }
+
+    ByteBuffer[] removeWriteBuffers() {
+        ByteBuffer[] buffers = this.writeBuffers;
+        this.writeBuffers = null;
+        return buffers;
+    }
+
+    int removeWritingCount() {
+        int rs = this.writingCount;
+        this.writingCount = 0;
+        return rs;
+    }
+
+    int removeWriteOffset() {
+        int rs = this.writeOffset;
+        this.writeOffset = 0;
+        return rs;
+    }
+
+    int removeWriteLength() {
+        int rs = this.writeLength;
+        this.writeLength = 0;
+        return rs;
+    }
+
+    Object removeWriteAttachment() {
+        Object attach = this.writeAttachment;
+        this.writeAttachment = null;
+        return attach;
+    }
+
+    void completeWrite(int rs) {
+        Object attach = this.writeAttachment;
+        CompletionHandler handler = this.writeHandler;
+        this.writeOneBuffer = null;
+        this.writeBuffers = null;
+        this.writeOffset = 0;
+        this.writeLength = 0;
+        this.writeAttachment = null;
+        this.writeHandler = null;
+        handler.completed(rs, attach);
+    }
+
+    void faileWrite(Throwable t) {
+        Object attach = this.writeAttachment;
+        CompletionHandler handler = this.writeHandler;
+        this.writeOneBuffer = null;
+        this.writeBuffers = null;
+        this.writeOffset = 0;
+        this.writeLength = 0;
+        this.writeAttachment = null;
+        this.writeHandler = null;
+        handler.failed(t, attach);
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.readHandler != null) throw new RuntimeException("pending read");
+        try {
+            this.readBuffer = dst;
+            this.readAttachment = attachment;
+            this.readHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_READ);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_READ);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileRead(e);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    public Future<Integer> read(ByteBuffer dst) {
+        CompletableFuture future = new CompletableFuture();
+        read(dst, null, new CompletionHandler<Integer, Void>() {
+            @Override
+            public void completed(Integer result, Void attachment) {
+                future.complete(result);
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                future.completeExceptionally(exc);
+            }
+        });
+        return future;
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.writeHandler != null) throw new RuntimeException("pending write");
+        try {
+            this.writeBuffers = srcs;
+            this.writeOffset = offset;
+            this.writeLength = length;
+            this.writingCount = 0;
+            this.writeAttachment = attachment;
+            this.writeHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_WRITE);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_WRITE);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileWrite(e);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.writeHandler != null) throw new RuntimeException("pending write");
+        try {
+            this.writeOneBuffer = src;
+            this.writingCount = 0;
+            this.writeAttachment = attachment;
+            this.writeHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_WRITE);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_WRITE);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileWrite(e);
+        }
+    }
+
+    @Override
+    public Future<Integer> write(ByteBuffer src) {
+        CompletableFuture future = new CompletableFuture();
+        write(src, null, new CompletionHandler<Integer, Void>() {
+            @Override
+            public void completed(Integer result, Void attachment) {
+                future.complete(result);
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                future.completeExceptionally(exc);
+            }
+        });
+        return future;
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        channel.close();
+        key.cancel();
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return true;
+    }
+}

src/org/redkale/net/TcpNioProtocolServer.java

@@ -0,0 +1,309 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.*;
+import java.util.concurrent.CountDownLatch;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpNioProtocolServer extends ProtocolServer {
+
+    private Selector acceptSelector;
+
+    private ServerSocketChannel serverChannel;
+
+    private NIOThreadWorker[] workers;
+
+    private NIOThreadWorker currWorker;
+
+    private boolean running;
+
+    public TcpNioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        acceptSelector = Selector.open();
+        this.serverChannel = ServerSocketChannel.open();
+        serverChannel.configureBlocking(false);
+        ServerSocket socket = serverChannel.socket();
+        socket.setReceiveBufferSize(16 * 1024);
+        socket.setReuseAddress(true);
+
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local, backlog);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public void accept() throws IOException {
+        this.serverChannel.register(acceptSelector, SelectionKey.OP_ACCEPT);
+        final CountDownLatch cdl = new CountDownLatch(1);
+        this.running = true;
+        this.workers = new NIOThreadWorker[Runtime.getRuntime().availableProcessors()];
+        for (int i = 0; i < workers.length; i++) {
+            workers[i] = new NIOThreadWorker();
+            workers[i].setDaemon(true);
+            workers[i].start();
+        }
+        for (int i = 0; i < workers.length - 1; i++) { //构成环形
+            workers[i].next = workers[i + 1];
+        }
+        workers[workers.length - 1].next = workers[0];
+        currWorker = workers[0];
+        new Thread() {
+            @Override
+            public void run() {
+                cdl.countDown();
+                while (running) {
+                    try {
+                        acceptSelector.select();
+                        Set<SelectionKey> selectedKeys = acceptSelector.selectedKeys();
+                        synchronized (selectedKeys) {
+                            Iterator<?> iter = selectedKeys.iterator();
+                            while (iter.hasNext()) {
+                                SelectionKey key = (SelectionKey) iter.next();
+                                iter.remove();
+                                if (key.isAcceptable()) {
+                                    try {
+                                        SocketChannel channel = ((ServerSocketChannel) key.channel()).accept();
+                                        channel.configureBlocking(false);
+                                        channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                                        channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                                        channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+                                        channel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+                                        channel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+                                        createCounter.incrementAndGet();
+                                        livingCounter.incrementAndGet();
+                                        currWorker.addChannel(channel);
+                                        currWorker = currWorker.next;
+                                    } catch (IOException io) {
+                                        io.printStackTrace();
+                                    }
+                                }
+                            }
+                        }
+                    } catch (Throwable t) {
+                        t.printStackTrace();
+                    }
+                }
+            }
+        }.start();
+        try {
+            cdl.await();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (!this.running) return;
+        this.running = false;
+        serverChannel.close();
+        acceptSelector.close();
+        for (NIOThreadWorker worker : workers) {
+            worker.interrupt();
+        }
+    }
+
+    class NIOThreadWorker extends Thread {
+
+        final Selector selector;
+
+        NIOThreadWorker next;
+
+        public NIOThreadWorker() {
+            try {
+                this.selector = Selector.open();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        public void addChannel(SocketChannel channel) throws IOException {
+            AsyncConnection conn = new TcpNioAsyncConnection(channel, null, selector, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+            context.runAsync(new PrepareRunner(context, conn, null, null));
+        }
+
+        @Override
+        public void run() {
+            while (running) {
+                try {
+                    selector.select(50);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                try {
+                    Set<SelectionKey> selectedKeys = selector.selectedKeys();
+                    synchronized (selectedKeys) {
+                        Iterator<?> iter = selectedKeys.iterator();
+                        while (iter.hasNext()) {
+                            SelectionKey key = (SelectionKey) iter.next();
+                            iter.remove();
+                            processKey(key);
+                        }
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        private void processKey(SelectionKey key) {
+            if (key == null || !key.isValid()) return;
+            SocketChannel socket = (SocketChannel) key.channel();
+            TcpNioAsyncConnection conn = (TcpNioAsyncConnection) key.attachment();
+            if (!socket.isOpen()) {
+                if (conn == null) {
+                    key.cancel();
+                } else {
+                    conn.dispose();
+                }
+                return;
+            }
+            if (conn == null) return;
+            if (key.isWritable()) {
+                if (conn.writeHandler != null) writeOP(key, socket, conn);
+            } else if (key.isReadable()) {
+                if (conn.readHandler != null) readOP(key, socket, conn);
+            }
+        }
+
+        private void readOP(SelectionKey key, SocketChannel socket, TcpNioAsyncConnection conn) {
+            final CompletionHandler handler = conn.removeReadHandler();
+            final ByteBuffer buffer = conn.removeReadBuffer();
+            final Object attach = conn.removeReadAttachment();
+            //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler);
+            if (handler == null || buffer == null) return;
+            try {
+                final int rs = socket.read(buffer);
+                {  //测试
+                    buffer.flip();
+                    byte[] bs = new byte[buffer.remaining()];
+                    buffer.get(bs);
+                    //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler + "-------读内容: " + new String(bs));
+                }
+                //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler + "-------read: " + rs);
+                context.runAsync(() -> {
+                    try {
+                        handler.completed(rs, attach);
+                    } catch (Throwable e) {
+                        handler.failed(e, attach);
+                    }
+                });
+            } catch (Throwable t) {
+                context.runAsync(() -> handler.failed(t, attach));
+            }
+        }
+
+        private void writeOP(SelectionKey key, SocketChannel socket, TcpNioAsyncConnection conn) {
+            final CompletionHandler handler = conn.writeHandler;
+            final ByteBuffer oneBuffer = conn.removeWriteOneBuffer();
+            final ByteBuffer[] buffers = conn.removeWriteBuffers();
+            final Object attach = conn.removeWriteAttachment();
+            final int writingCount = conn.removeWritingCount();
+            final int writeOffset = conn.removeWriteOffset();
+            final int writeLength = conn.removeWriteLength();
+            if (handler == null || (oneBuffer == null && buffers == null)) return;
+            //System.out.println(conn + "------buffers:" + Arrays.toString(buffers) + "---onebuf:" + oneBuffer + "-------handler:" + handler);
+            try {
+                int rs = 0;
+                if (oneBuffer == null) {
+                    int offset = writeOffset;
+                    int length = writeLength;
+                    rs = (int) socket.write(buffers, offset, length);
+                    boolean over = true;
+                    int end = offset + length;
+                    for (int i = offset; i < end; i++) {
+                        if (buffers[i].hasRemaining()) {
+                            over = false;
+                            length -= i - offset;
+                            offset = i;
+                        }
+                    }
+                    if (!over) {
+                        conn.writingCount += rs;
+                        conn.writeHandler = handler;
+                        conn.writeAttachment = attach;
+                        conn.writeBuffers = buffers;
+                        conn.writeOffset = offset;
+                        conn.writeLength = length;
+                        key.interestOps(SelectionKey.OP_READ + SelectionKey.OP_WRITE);
+                        key.selector().wakeup();
+                        return;
+                    }
+                } else {
+                    rs = socket.write(oneBuffer);
+                    if (oneBuffer.hasRemaining()) {
+                        conn.writingCount += rs;
+                        conn.writeHandler = handler;
+                        conn.writeAttachment = attach;
+                        conn.writeOneBuffer = oneBuffer;
+                        key.interestOps(SelectionKey.OP_READ + SelectionKey.OP_WRITE);
+                        key.selector().wakeup();
+                        return;
+                    }
+                }
+                conn.removeWriteHandler();
+                key.interestOps(SelectionKey.OP_READ); //OP_CONNECT
+                final int rs0 = rs + writingCount;
+                //System.out.println(conn + "------buffers:" + Arrays.toString(buffers) + "---onebuf:" + oneBuffer + "-------handler:" + handler + "-------write: " + rs);
+                context.runAsync(() -> {
+                    try {
+                        handler.completed(rs0, attach);
+                    } catch (Throwable e) {
+                        handler.failed(e, attach);
+                    }
+                });
+            } catch (Throwable t) {
+                context.runAsync(() -> handler.failed(t, attach));
+            }
+        }
+
+    }
+}

src/org/redkale/net/Transport.java

@@ -29,54 +29,41 @@ import org.redkale.util.*;
  * @author zhangjx
  */
 public final class Transport {
-
+    
     public static final String DEFAULT_PROTOCOL = "TCP";
-
-    protected static final boolean supportTcpNoDelay;
-
-    static {
-        boolean tcpNoDelay = false;
-        try {
-            AsynchronousSocketChannel channel = AsynchronousSocketChannel.open();
-            tcpNoDelay = channel.supportedOptions().contains(StandardSocketOptions.TCP_NODELAY);
-            channel.close();
-        } catch (Exception e) {
-        }
-        supportTcpNoDelay = tcpNoDelay;
-    }
-
+    
     protected final AtomicInteger seq = new AtomicInteger(-1);
-
+    
     protected final TransportFactory factory;
-
+    
     protected final String name; //即<group>的name属性
 
     protected final String subprotocol; //即<group>的subprotocol属性
 
     protected final boolean tcp;
-
+    
     protected final String protocol;
-
+    
     protected final AsynchronousChannelGroup group;
-
+    
     protected final InetSocketAddress clientAddress;
 
     //不可能为null
     protected TransportNode[] transportNodes = new TransportNode[0];
-
+    
     protected final ObjectPool<ByteBuffer> bufferPool;
-
+    
     protected final SSLContext sslContext;
 
     //负载均衡策略
     protected final TransportStrategy strategy;
-
+    
     protected Transport(String name, String subprotocol, TransportFactory factory, final ObjectPool<ByteBuffer> transportBufferPool,
         final AsynchronousChannelGroup transportChannelGroup, final SSLContext sslContext, final InetSocketAddress clientAddress,
         final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
         this(name, DEFAULT_PROTOCOL, subprotocol, factory, transportBufferPool, transportChannelGroup, sslContext, clientAddress, addresses, strategy);
     }
-
+    
     protected Transport(String name, String protocol, String subprotocol,
         final TransportFactory factory, final ObjectPool<ByteBuffer> transportBufferPool,
         final AsynchronousChannelGroup transportChannelGroup, final SSLContext sslContext, final InetSocketAddress clientAddress,
@@ -94,7 +81,7 @@ public final class Transport {
         this.strategy = strategy;
         updateRemoteAddresses(addresses);
     }
-
+    
     public final InetSocketAddress[] updateRemoteAddresses(final Collection<InetSocketAddress> addresses) {
         final TransportNode[] oldNodes = this.transportNodes;
         synchronized (this) {
@@ -122,7 +109,7 @@ public final class Transport {
         }
         return rs;
     }
-
+    
     public final boolean addRemoteAddresses(final InetSocketAddress addr) {
         if (addr == null) return false;
         if (clientAddress != null && clientAddress.equals(addr)) return false;
@@ -138,7 +125,7 @@ public final class Transport {
             return true;
         }
     }
-
+    
     public final boolean removeRemoteAddresses(InetSocketAddress addr) {
         if (addr == null) return false;
         synchronized (this) {
@@ -146,15 +133,15 @@ public final class Transport {
         }
         return true;
     }
-
+    
     public String getName() {
         return name;
     }
-
+    
     public String getSubprotocol() {
         return subprotocol;
     }
-
+    
     public void close() {
         TransportNode[] nodes = this.transportNodes;
         if (nodes == null) return;
@@ -162,22 +149,22 @@ public final class Transport {
             if (node != null) node.dispose();
         }
     }
-
+    
     public InetSocketAddress getClientAddress() {
         return clientAddress;
     }
-
+    
     public TransportNode[] getTransportNodes() {
         return transportNodes;
     }
-
+    
     public TransportNode findTransportNode(SocketAddress addr) {
         for (TransportNode node : this.transportNodes) {
             if (node.address.equals(addr)) return node;
         }
         return null;
     }
-
+    
     public InetSocketAddress[] getRemoteAddresses() {
         InetSocketAddress[] rs = new InetSocketAddress[transportNodes.length];
         for (int i = 0; i < rs.length; i++) {
@@ -185,36 +172,36 @@ public final class Transport {
         }
         return rs;
     }
-
+    
     @Override
     public String toString() {
         return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteNodes = " + Arrays.toString(transportNodes) + "}";
     }
-
+    
     public ByteBuffer pollBuffer() {
         return bufferPool.get();
     }
-
+    
     public Supplier<ByteBuffer> getBufferSupplier() {
         return bufferPool;
     }
-
+    
     public void offerBuffer(ByteBuffer buffer) {
         bufferPool.accept(buffer);
     }
-
+    
     public void offerBuffer(ByteBuffer... buffers) {
         for (ByteBuffer buffer : buffers) offerBuffer(buffer);
     }
-
+    
     public AsynchronousChannelGroup getTransportChannelGroup() {
         return group;
     }
-
+    
     public boolean isTCP() {
         return tcp;
     }
-
+    
     public CompletableFuture<AsyncConnection> pollConnection(SocketAddress addr0) {
         if (this.strategy != null) return strategy.pollConnection(addr0, this);
         final TransportNode[] nodes = this.transportNodes;
@@ -228,21 +215,25 @@ public final class Transport {
                 DatagramChannel channel = DatagramChannel.open();
                 channel.configureBlocking(true);
                 channel.connect(udpaddr);
-                return CompletableFuture.completedFuture(AsyncConnection.create(channel, udpaddr, true, factory.readTimeoutSecond, factory.writeTimeoutSecond));
+                return CompletableFuture.completedFuture(AsyncConnection.create(channel, udpaddr, true, factory.readTimeoutSeconds, factory.writeTimeoutSeconds));
             }
             if (!rand) { //指定地址
                 TransportNode node = findTransportNode(addr);
                 if (node == null) {
-                    return AsyncConnection.createTCP(group, sslContext, addr, supportTcpNoDelay, factory.readTimeoutSecond, factory.writeTimeoutSecond);
+                    return AsyncConnection.createTCP(group, sslContext, addr, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
                 }
                 final BlockingQueue<AsyncConnection> queue = node.conns;
                 if (!queue.isEmpty()) {
                     AsyncConnection conn;
                     while ((conn = queue.poll()) != null) {
-                        if (conn.isOpen()) return CompletableFuture.completedFuture(conn);
+                        if (conn.isOpen()) {
+                            return CompletableFuture.completedFuture(conn);
+                        } else {
+                            conn.dispose();
+                        }
                     }
                 }
-                return AsyncConnection.createTCP(group, sslContext, addr, supportTcpNoDelay, factory.readTimeoutSecond, factory.writeTimeoutSecond);
+                return AsyncConnection.createTCP(group, sslContext, addr, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
             }
 
             //---------------------随机取地址------------------------
@@ -259,24 +250,30 @@ public final class Transport {
                 if (!queue.isEmpty()) {
                     AsyncConnection conn;
                     while ((conn = queue.poll()) != null) {
-                        if (conn.isOpen()) return CompletableFuture.completedFuture(conn);
+                        if (conn.isOpen()) {
+                            return CompletableFuture.completedFuture(conn);
+                        } else {
+                            conn.dispose();
+                        }
                     }
                 }
                 CompletableFuture future = new CompletableFuture();
                 final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
-                if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
                 channel.connect(one.address, one, new CompletionHandler<Void, TransportNode>() {
                     @Override
                     public void completed(Void result, TransportNode attachment) {
                         attachment.disabletime = 0;
-                        AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSecond, factory.writeTimeoutSecond);
+                        AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
                         if (future.isDone()) {
                             if (!attachment.conns.offer(asyncConn)) asyncConn.dispose();
                         } else {
                             future.complete(asyncConn);
                         }
                     }
-
+                    
                     @Override
                     public void failed(Throwable exc, TransportNode attachment) {
                         attachment.disabletime = now;
@@ -292,7 +289,7 @@ public final class Transport {
                                     future.complete(r);
                                 }
                             });
-
+                            
                         } catch (Exception e) {
                             future.completeExceptionally(e);
                         }
@@ -305,7 +302,7 @@ public final class Transport {
             throw new RuntimeException("transport address = " + addr, ex);
         }
     }
-
+    
     private CompletableFuture<AsyncConnection> pollConnection0(TransportNode[] nodes, TransportNode exclude, long now) throws IOException {
         //从可用/不可用的地址列表中创建连接
         AtomicInteger count = new AtomicInteger(nodes.length);
@@ -314,19 +311,25 @@ public final class Transport {
             if (node == exclude) continue;
             if (future.isDone()) return future;
             final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
-            if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+            channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+            channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+            channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
             channel.connect(node.address, node, new CompletionHandler<Void, TransportNode>() {
                 @Override
                 public void completed(Void result, TransportNode attachment) {
-                    attachment.disabletime = 0;
-                    AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSecond, factory.writeTimeoutSecond);
-                    if (future.isDone()) {
-                        if (!attachment.conns.offer(asyncConn)) asyncConn.dispose();
-                    } else {
-                        future.complete(asyncConn);
+                    try {
+                        attachment.disabletime = 0;
+                        AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
+                        if (future.isDone()) {
+                            if (!attachment.conns.offer(asyncConn)) asyncConn.dispose();
+                        } else {
+                            future.complete(asyncConn);
+                        }
+                    } catch (Exception e) {
+                        failed(e, attachment); 
                     }
                 }
-
+                
                 @Override
                 public void failed(Throwable exc, TransportNode attachment) {
                     attachment.disabletime = now;
@@ -342,19 +345,21 @@ public final class Transport {
         }
         return future;
     }
-
+    
     public void offerConnection(final boolean forceClose, AsyncConnection conn) {
         if (this.strategy != null && strategy.offerConnection(forceClose, conn)) return;
         if (!forceClose && conn.isTCP()) {
             if (conn.isOpen()) {
                 TransportNode node = findTransportNode(conn.getRemoteAddress());
                 if (node == null || !node.conns.offer(conn)) conn.dispose();
+            } else {
+                conn.dispose();
             }
         } else {
             conn.dispose();
         }
     }
-
+    
     public <A> void async(SocketAddress addr, final ByteBuffer buffer, A att, final CompletionHandler<Integer, A> handler) {
         pollConnection(addr).whenComplete((conn, ex) -> {
             if (ex != null) {
@@ -362,28 +367,28 @@ public final class Transport {
                 return;
             }
             conn.write(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
-
+                
                 @Override
                 public void completed(Integer result, ByteBuffer attachment) {
                     buffer.clear();
                     conn.read(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
-
+                        
                         @Override
                         public void completed(Integer result, ByteBuffer attachment) {
                             if (handler != null) handler.completed(result, att);
                             offerBuffer(buffer);
                             offerConnection(false, conn);
                         }
-
+                        
                         @Override
                         public void failed(Throwable exc, ByteBuffer attachment) {
                             offerBuffer(buffer);
                             offerConnection(true, conn);
                         }
                     });
-
+                    
                 }
-
+                
                 @Override
                 public void failed(Throwable exc, ByteBuffer attachment) {
                     offerBuffer(buffer);
@@ -392,88 +397,88 @@ public final class Transport {
             });
         });
     }
-
+    
     public static class TransportNode {
-
+        
         protected InetSocketAddress address;
-
+        
         protected volatile long disabletime; //不可用时的时间, 为0表示可用
 
         protected final BlockingQueue<AsyncConnection> conns;
-
+        
         protected final ConcurrentHashMap<String, Object> attributes = new ConcurrentHashMap<>();
-
+        
         public TransportNode(int poolmaxconns, InetSocketAddress address) {
             this.address = address;
             this.disabletime = 0;
             this.conns = new ArrayBlockingQueue<>(poolmaxconns);
         }
-
+        
         @ConstructorParameters({"poolmaxconns", "address", "disabletime"})
         public TransportNode(int poolmaxconns, InetSocketAddress address, long disabletime) {
             this.address = address;
             this.disabletime = disabletime;
-            this.conns = new ArrayBlockingQueue<>(poolmaxconns);
+            this.conns = new LinkedBlockingQueue<>(poolmaxconns);
         }
-
+        
         public int getPoolmaxconns() {
             return this.conns.remainingCapacity() + this.conns.size();
         }
-
+        
         public <T> T setAttribute(String name, T value) {
             attributes.put(name, value);
             return value;
         }
-
+        
         @SuppressWarnings("unchecked")
         public <T> T getAttribute(String name) {
             return (T) attributes.get(name);
         }
-
+        
         @SuppressWarnings("unchecked")
         public <T> T removeAttribute(String name) {
             return (T) attributes.remove(name);
         }
-
+        
         public TransportNode clearAttributes() {
             attributes.clear();
             return this;
         }
-
+        
         public ConcurrentHashMap<String, Object> getAttributes() {
             return attributes;
         }
-
+        
         public void setAttributes(ConcurrentHashMap<String, Object> map) {
             attributes.clear();
             if (map != null) attributes.putAll(map);
         }
-
+        
         public InetSocketAddress getAddress() {
             return address;
         }
-
+        
         public long getDisabletime() {
             return disabletime;
         }
-
+        
         @ConvertDisabled
         public BlockingQueue<AsyncConnection> getConns() {
             return conns;
         }
-
+        
         public void dispose() {
             AsyncConnection conn;
             while ((conn = conns.poll()) != null) {
                 conn.dispose();
             }
         }
-
+        
         @Override
         public int hashCode() {
             return this.address.hashCode();
         }
-
+        
         @Override
         public boolean equals(Object obj) {
             if (this == obj) return true;
@@ -482,7 +487,7 @@ public final class Transport {
             final TransportNode other = (TransportNode) obj;
             return this.address.equals(other.address);
         }
-
+        
         @Override
         public String toString() {
             return JsonConvert.root().convertTo(this);

src/org/redkale/net/TransportFactory.java

@@ -32,10 +32,10 @@ import org.redkale.util.*;
 public class TransportFactory {
 
     @Comment("默认TCP读取超时秒数")
-    public static int DEFAULT_READTIMEOUTSECOND = 6;
+    public static int DEFAULT_READTIMEOUTSECONDS = 6;
 
     @Comment("默认TCP写入超时秒数")
-    public static int DEFAULT_WRITETIMEOUTSECOND = 6;
+    public static int DEFAULT_WRITETIMEOUTSECONDS = 6;
 
     public static final String NAME_POOLMAXCONNS = "poolmaxconns";
 
@@ -65,7 +65,7 @@ public class TransportFactory {
     protected final List<WeakReference<Transport>> transportReferences = new CopyOnWriteArrayList<>();
 
     //连接池大小
-    protected int poolmaxconns = Integer.getInteger("net.transport.poolmaxconns", 100);
+    protected int poolmaxconns = Integer.getInteger("net.transport.poolmaxconns", Math.max(100, Runtime.getRuntime().availableProcessors() * 16)); //最少是wsthreads的两倍
 
     //检查不可用地址周期， 单位：秒
     protected int checkinterval = Integer.getInteger("net.transport.checkinterval", 30);
@@ -74,10 +74,10 @@ public class TransportFactory {
     protected int pinginterval;
 
     //TCP读取超时秒数
-    protected int readTimeoutSecond;
+    protected int readTimeoutSeconds;
 
     //TCP写入超时秒数
-    protected int writeTimeoutSecond;
+    protected int writeTimeoutSeconds;
 
     //ping和检查的定时器
     private ScheduledThreadPoolExecutor scheduler;
@@ -94,19 +94,19 @@ public class TransportFactory {
     protected final TransportStrategy strategy;
 
     protected TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
         this.executor = executor;
         this.bufferPool = bufferPool;
         this.channelGroup = channelGroup;
         this.sslContext = sslContext;
-        this.readTimeoutSecond = readTimeoutSecond;
-        this.writeTimeoutSecond = writeTimeoutSecond;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
         this.strategy = strategy;
     }
 
     protected TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond) {
-        this(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, null);
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds) {
+        this(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, null);
     }
 
     public void init(AnyValue conf, ByteBuffer pingBuffer, int pongLength) {
@@ -124,7 +124,11 @@ public class TransportFactory {
             return t;
         });
         this.scheduler.scheduleAtFixedRate(() -> {
-            checks();
+            try {
+                checks();
+            } catch (Throwable t) {
+                logger.log(Level.SEVERE, "TransportFactory schedule(interval=" + checkinterval + "s) check error", t);
+            }
         }, checkinterval, checkinterval, TimeUnit.SECONDS);
 
         if (this.pinginterval > 0) {
@@ -140,14 +144,14 @@ public class TransportFactory {
     }
 
     public static TransportFactory create(int threads) {
-        return create(threads, threads * 2, 8 * 1024, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND);
+        return create(threads, threads * 2, 8 * 1024, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS);
     }
 
     public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity) {
-        return create(threads, bufferPoolSize, bufferCapacity, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND);
+        return create(threads, bufferPoolSize, bufferCapacity, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS);
     }
 
-    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity, int readTimeoutSecond, int writeTimeoutSecond) {
+    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity, int readTimeoutSeconds, int writeTimeoutSeconds) {
         final ObjectPool<ByteBuffer> transportPool = new ObjectPool<>(new AtomicLong(), new AtomicLong(), bufferPoolSize,
             (Object... params) -> ByteBuffer.allocateDirect(bufferCapacity), null, (e) -> {
                 if (e == null || e.isReadOnly() || e.capacity() != bufferCapacity) return false;
@@ -167,35 +171,35 @@ public class TransportFactory {
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-        return create(transportExec, transportPool, transportGroup, readTimeoutSecond, writeTimeoutSecond);
+        return create(transportExec, transportPool, transportGroup, readTimeoutSeconds, writeTimeoutSeconds);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
-        return new TransportFactory(executor, bufferPool, channelGroup, null, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND, null);
+        return new TransportFactory(executor, bufferPool, channelGroup, null, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS, null);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        int readTimeoutSecond, int writeTimeoutSecond) {
-        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSecond, writeTimeoutSecond, null);
+        int readTimeoutSeconds, int writeTimeoutSeconds) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSeconds, writeTimeoutSeconds, null);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
-        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSecond, writeTimeoutSecond, strategy);
+        int readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSeconds, writeTimeoutSeconds, strategy);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup, SSLContext sslContext) {
-        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND, null);
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS, null);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond) {
-        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, null);
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, null);
     }
 
     public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
-        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, strategy);
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, strategy);
     }
 
     public Transport createTransportTCP(String name, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {

src/org/redkale/net/UdpBioAsyncConnection.java

@@ -0,0 +1,193 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class UdpBioAsyncConnection extends AsyncConnection {
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final DatagramChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    private final boolean client;
+
+    public UdpBioAsyncConnection(final DatagramChannel ch, SocketAddress addr0,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.client = client0;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        return false;
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        return false;
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = 0;
+            for (int i = offset; i < offset + length; i++) {
+                rs += channel.send(srcs[i], remoteAddress);
+                if (i != offset) Thread.sleep(10);
+            }
+            this.writetime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (Exception e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = channel.read(dst);
+            this.readtime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (IOException e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    public Future<Integer> read(ByteBuffer dst) {
+        try {
+            int rs = channel.read(dst);
+            this.readtime = System.currentTimeMillis();
+            return CompletableFuture.completedFuture(rs);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = channel.send(src, remoteAddress);
+            this.writetime = System.currentTimeMillis();
+            if (handler != null) handler.completed(rs, attachment);
+        } catch (IOException e) {
+            if (handler != null) handler.failed(e, attachment);
+        }
+    }
+
+    @Override
+    public Future<Integer> write(ByteBuffer src) {
+        try {
+            int rs = channel.send(src, remoteAddress);
+            this.writetime = System.currentTimeMillis();
+            return CompletableFuture.completedFuture(rs);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        if (client) channel.close();
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return false;
+    }
+}

src/org/redkale/net/UdpBioProtocolServer.java

@@ -0,0 +1,123 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class UdpBioProtocolServer extends ProtocolServer {
+
+    private boolean running;
+
+    private DatagramChannel serverChannel;
+
+    public UdpBioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        DatagramChannel ch = DatagramChannel.open();
+        ch.configureBlocking(true);
+        this.serverChannel = ch;
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local);
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public void accept() throws IOException {
+        final DatagramChannel serchannel = this.serverChannel;
+        final int readTimeoutSeconds = this.context.readTimeoutSeconds;
+        final int writeTimeoutSeconds = this.context.writeTimeoutSeconds;
+        final CountDownLatch cdl = new CountDownLatch(1);
+        this.running = true;
+        new Thread() {
+            @Override
+            public void run() {
+                cdl.countDown();
+                while (running) {
+                    final ByteBuffer buffer = context.pollBuffer();
+                    try {
+                        SocketAddress address = serchannel.receive(buffer);
+                        buffer.flip();
+                        AsyncConnection conn = new UdpBioAsyncConnection(serchannel, address, false, readTimeoutSeconds, writeTimeoutSeconds, null, null);
+                        context.runAsync(new PrepareRunner(context, conn, buffer, null));
+                    } catch (Exception e) {
+                        context.offerBuffer(buffer);
+                    }
+                }
+            }
+        }.start();
+        try {
+            cdl.await();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.running = false;
+        this.serverChannel.close();
+    }
+
+    @Override
+    public long getCreateCount() {
+        return -1;
+    }
+
+    @Override
+    public long getClosedCount() {
+        return -1;
+    }
+
+    @Override
+    public long getLivingCount() {
+        return -1;
+    }
+}

src/org/redkale/net/http/HttpContext.java

@@ -5,15 +5,12 @@
  */
 package org.redkale.net.http;
 
+import java.nio.ByteBuffer;
 import org.redkale.asm.MethodDebugVisitor;
-import java.net.*;
-import java.nio.*;
 import java.nio.channels.CompletionHandler;
-import java.nio.charset.*;
 import java.security.*;
 import java.util.concurrent.*;
-import java.util.logging.*;
-import javax.net.ssl.SSLContext;
+import java.util.function.*;
 import org.redkale.asm.*;
 import static org.redkale.asm.Opcodes.*;
 import org.redkale.net.*;
@@ -33,13 +30,8 @@ public class HttpContext extends Context {
 
     protected final ConcurrentHashMap<Class, Creator> asyncHandlerCreators = new ConcurrentHashMap<>();
 
-    public HttpContext(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
-        final int bufferCapacity, final ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
-        int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
-        PrepareServlet prepare, int readTimeoutSecond, int writeTimeoutSecond) {
-        super(serverStartTime, logger, executor, sslContext, bufferCapacity, bufferPool, responsePool,
-            maxbody, charset, address, resourceFactory, prepare, readTimeoutSecond, writeTimeoutSecond);
-
+    public HttpContext(HttpContextConfig config) {
+        super(config);
         random.setSeed(Math.abs(System.nanoTime()));
     }
 
@@ -57,6 +49,21 @@ public class HttpContext extends Context {
         return responsePool;
     }
 
+    @Override
+    protected Consumer<ByteBuffer> getBufferConsumer() {
+        return super.getBufferConsumer();
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer buffer) {
+        super.offerBuffer(buffer);
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer... buffers) {
+        super.offerBuffer(buffers);
+    }
+
     @SuppressWarnings("unchecked")
     protected <H extends CompletionHandler> Creator<H> loadAsyncHandlerCreator(Class<H> handlerClass) {
         Creator<H> creator = asyncHandlerCreators.get(handlerClass);
@@ -169,4 +176,8 @@ public class HttpContext extends Context {
         }.loadClass(newDynName.replace('/', '.'), bytes);
         return (Creator<H>) Creator.create(newHandlerClazz);
     }
+
+    public static class HttpContextConfig extends ContextConfig {
+
+    }
 }

src/org/redkale/net/http/HttpRequest.java

@@ -9,7 +9,7 @@ import java.io.*;
 import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
-import java.nio.charset.Charset;
+import java.nio.charset.*;
 import java.util.*;
 import org.redkale.convert.json.JsonConvert;
 import org.redkale.net.*;
@@ -31,8 +31,6 @@ import org.redkale.util.AnyValue.DefaultAnyValue;
  */
 public class HttpRequest extends Request<HttpContext> {
 
-    protected static final Charset UTF8 = Charset.forName("UTF-8");
-
     public static final String SESSIONID_NAME = "JSESSIONID";
 
     @Comment("Method GET/POST/...")
@@ -156,7 +154,9 @@ public class HttpRequest extends Request<HttpContext> {
                 case "Connection":
                 case "connection":
                     this.connection = value;
-                    this.setKeepAlive(!"close".equalsIgnoreCase(value));
+                    if (context.getAliveTimeoutSeconds() >= 0) {
+                        this.setKeepAlive(!"close".equalsIgnoreCase(value));
+                    }
                     break;
                 case "user-agent":
                     header.addValue("User-Agent", value);
@@ -340,7 +340,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public String getBodyUTF8() {
-        return array.toString(UTF8);
+        return array.toString(StandardCharsets.UTF_8);
     }
 
     /**
@@ -352,7 +352,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public <T> T getBodyJson(java.lang.reflect.Type type) {
-        String str = array.toString(UTF8);
+        String str = array.toString(StandardCharsets.UTF_8);
         if (str == null || str.isEmpty()) return null;
         return context.getJsonConvert().convertFrom(type, str);
     }
@@ -367,7 +367,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public <T> T getBodyJson(JsonConvert convert, java.lang.reflect.Type type) {
-        String str = array.toString(UTF8);
+        String str = array.toString(StandardCharsets.UTF_8);
         if (str == null || str.isEmpty()) return null;
         return convert.convertFrom(type, str);
     }
@@ -634,7 +634,11 @@ public class HttpRequest extends Request<HttpContext> {
     public short getRequstURILastPath(short defvalue) {
         String val = getRequstURILastPath();
         if (val.isEmpty()) return defvalue;
-        return val.isEmpty() ? defvalue : Short.parseShort(val);
+        try {
+            return Short.parseShort(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -650,7 +654,11 @@ public class HttpRequest extends Request<HttpContext> {
     public short getRequstURILastPath(int radix, short defvalue) {
         String val = getRequstURILastPath();
         if (val.isEmpty()) return defvalue;
-        return val.isEmpty() ? defvalue : Short.parseShort(val, radix);
+        try {
+            return Short.parseShort(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -664,7 +672,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURILastPath(int defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Integer.parseInt(val);
+        try {
+            return val.isEmpty() ? defvalue : Integer.parseInt(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -679,7 +691,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURILastPath(int radix, int defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Integer.parseInt(val, radix);
+        try {
+            return val.isEmpty() ? defvalue : Integer.parseInt(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -693,7 +709,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public float getRequstURILastPath(float defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Float.parseFloat(val);
+        try {
+            return val.isEmpty() ? defvalue : Float.parseFloat(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -707,7 +727,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURILastPath(long defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Long.parseLong(val);
+        try {
+            return val.isEmpty() ? defvalue : Long.parseLong(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -722,7 +746,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURILastPath(int radix, long defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Long.parseLong(val, radix);
+        try {
+            return val.isEmpty() ? defvalue : Long.parseLong(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -736,7 +764,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public double getRequstURILastPath(double defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Double.parseDouble(val);
+        try {
+            return val.isEmpty() ? defvalue : Double.parseDouble(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -783,7 +815,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public short getRequstURIPath(String prefix, short defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Short.parseShort(val);
+        try {
+            return val == null ? defvalue : Short.parseShort(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -799,7 +835,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public short getRequstURIPath(int radix, String prefix, short defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Short.parseShort(val, radix);
+        try {
+            return val == null ? defvalue : Short.parseShort(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -815,7 +855,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURIPath(String prefix, int defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Integer.parseInt(val);
+        try {
+            return val == null ? defvalue : Integer.parseInt(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -832,7 +876,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURIPath(int radix, String prefix, int defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Integer.parseInt(val, radix);
+        try {
+            return val == null ? defvalue : Integer.parseInt(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -847,7 +895,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public float getRequstURIPath(String prefix, float defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Float.parseFloat(val);
+        try {
+            return val == null ? defvalue : Float.parseFloat(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -862,7 +914,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURIPath(String prefix, long defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Long.parseLong(val);
+        try {
+            return val == null ? defvalue : Long.parseLong(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -878,7 +934,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURIPath(int radix, String prefix, long defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Long.parseLong(val, radix);
+        try {
+            return val == null ? defvalue : Long.parseLong(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -893,7 +953,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public double getRequstURIPath(String prefix, double defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Double.parseDouble(val);
+        try {
+            return val == null ? defvalue : Double.parseDouble(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     //------------------------------------------------------------------------------
@@ -1430,10 +1494,13 @@ public class HttpRequest extends Request<HttpContext> {
         org.redkale.source.Flipper flipper = getJsonParameter(org.redkale.source.Flipper.class, name);
         if (flipper == null) {
             if (maxLimit < 1) maxLimit = org.redkale.source.Flipper.DEFAULT_LIMIT;
-            int limit = getRequstURIPath("limit:", maxLimit);
+            int limit = getRequstURIPath("limit:", 0);
             int offset = getRequstURIPath("offset:", 0);
             String sort = getRequstURIPath("sort:", "");
-            if (limit > 0) flipper = new org.redkale.source.Flipper(limit, offset, sort);
+            if (limit > 0) {
+                if (limit > maxLimit) limit = maxLimit;
+                flipper = new org.redkale.source.Flipper(limit, offset, sort);
+            }
         } else if (flipper.getLimit() < 1 || (maxLimit > 0 && flipper.getLimit() > maxLimit)) {
             flipper.setLimit(maxLimit);
         }

src/org/redkale/net/http/HttpResponse.java

@@ -11,7 +11,8 @@ import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.nio.file.*;
-import java.text.*;
+import java.time.ZoneId;
+import static java.time.format.DateTimeFormatter.RFC_1123_DATE_TIME;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicLong;
@@ -39,10 +40,16 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     private static final ByteBuffer buffer404 = ByteBuffer.wrap("HTTP/1.1 404 Not Found\r\nContent-Length:0\r\n\r\n".getBytes()).asReadOnlyBuffer();
 
+    protected static final byte[] status200Bytes = "HTTP/1.1 200 OK\r\n".getBytes();
+
     protected static final byte[] LINE = new byte[]{'\r', '\n'};
 
     protected static final byte[] serverNameBytes = ("Server: " + System.getProperty("http.response.header.server", "redkale" + "/" + Redkale.getDotedVersion()) + "\r\n").getBytes();
 
+    protected static final byte[] connectCloseBytes = "Connection: close\r\n".getBytes();
+
+    protected static final byte[] connectAliveBytes = "Connection: keep-alive\r\n".getBytes();
+
     private static final Set<OpenOption> options = new HashSet<>();
 
     private static final Map<Integer, String> httpCodes = new HashMap<>();
@@ -96,11 +103,11 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         httpCodes.put(505, "HTTP Version Not Supported");
     }
 
-    private final DateFormat gmtDateFormat = new SimpleDateFormat("EEE, dd-MMM-yyyy HH:mm:ss z", Locale.ENGLISH);
+    private static final ZoneId ZONE_GMT = ZoneId.of("GMT");
 
     private int status = 200;
 
-    private String contentType = "text/plain; charset=utf-8";
+    private String contentType = "";
 
     private long contentLength = -1;
 
@@ -111,6 +118,14 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     private BiFunction<HttpResponse, ByteBuffer[], ByteBuffer[]> bufferHandler;
     //------------------------------------------------
 
+    private final String plainContentType;
+
+    private final byte[] plainContentTypeBytes;
+
+    private final String jsonContentType;
+
+    private final byte[] jsonContentTypeBytes;
+
     private final DefaultAnyValue header = new DefaultAnyValue();
 
     private final String[][] defaultAddHeaders;
@@ -119,7 +134,9 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     private final boolean autoOptions;
 
-    private final HttpCookie defcookie;
+    private final Supplier<byte[]> dateSupplier;
+
+    private final HttpCookie defaultCookie;
 
     private final List<HttpRender> renders;
 
@@ -131,17 +148,21 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         return new ObjectPool<>(creatCounter, cycleCounter, max, creator, (x) -> ((HttpResponse) x).prepare(), (x) -> ((HttpResponse) x).recycle());
     }
 
-    public HttpResponse(HttpContext context, HttpRequest request, String[][] defaultAddHeaders, String[][] defaultSetHeaders,
-        HttpCookie defcookie, boolean autoOptions, List< HttpRender> renders) {
+    public HttpResponse(HttpContext context, HttpRequest request, HttpResponseConfig config) {
         super(context, request);
-        this.defaultAddHeaders = defaultAddHeaders;
-        this.defaultSetHeaders = defaultSetHeaders;
-        this.defcookie = defcookie;
-        this.autoOptions = autoOptions;
-        this.renders = renders;
+        this.plainContentType = config.plainContentType == null || config.plainContentType.isEmpty() ? "text/plain; charset=utf-8" : config.plainContentType;
+        this.jsonContentType = config.jsonContentType == null || config.jsonContentType.isEmpty() ? "application/json; charset=utf-8" : config.jsonContentType;
+        this.plainContentTypeBytes = ("Content-Type: " + this.plainContentType + "\r\n").getBytes();
+        this.jsonContentTypeBytes = ("Content-Type: " + this.jsonContentType + "\r\n").getBytes();
+        this.defaultAddHeaders = config.defaultAddHeaders;
+        this.defaultSetHeaders = config.defaultSetHeaders;
+        this.defaultCookie = config.defaultCookie;
+        this.autoOptions = config.autoOptions;
+        this.dateSupplier = config.dateSupplier;
+        this.renders = config.renders;
         this.hasRender = renders != null && !renders.isEmpty();
         this.onlyoneHttpRender = renders != null && renders.size() == 1 ? renders.get(0) : null;
-        gmtDateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
+        this.contentType = this.plainContentType;
     }
 
     @Override
@@ -155,7 +176,6 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     @Override
     protected boolean recycle() {
-        boolean rs = super.recycle();
         this.status = 200;
         this.contentLength = -1;
         this.contentType = null;
@@ -163,7 +183,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         this.headsended = false;
         this.header.clear();
         this.bufferHandler = null;
-        return rs;
+        return super.recycle();
     }
 
     @Override
@@ -201,6 +221,11 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         return this.autoOptions;
     }
 
+    @Override
+    protected void offerBuffer(ByteBuffer... buffers) {
+        super.offerBuffer(buffers);
+    }
+
     /**
      * 增加Cookie值
      *
@@ -270,7 +295,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param obj 输出对象
      */
     public void finishJson(final Object obj) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = obj;
         finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), obj));
     }
@@ -282,7 +307,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param objs 输出对象
      */
     public void finishMapJson(final Object... objs) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = objs;
         finish(request.getJsonConvert().convertMapTo(getBodyBufferSupplier(), objs));
     }
@@ -294,7 +319,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param obj     输出对象
      */
     public void finishJson(final JsonConvert convert, final Object obj) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = obj;
         finish(convert.convertTo(getBodyBufferSupplier(), obj));
     }
@@ -307,7 +332,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param objs    输出对象
      */
     public void finishMapJson(final JsonConvert convert, final Object... objs) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = objs;
         finish(convert.convertMapTo(getBodyBufferSupplier(), objs));
     }
@@ -319,7 +344,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param obj  输出对象
      */
     public void finishJson(final Type type, final Object obj) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         this.output = obj;
         finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), type, obj));
     }
@@ -332,7 +357,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param obj     输出对象
      */
     public void finishJson(final JsonConvert convert, final Type type, final Object obj) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = obj;
         finish(convert.convertTo(getBodyBufferSupplier(), type, obj));
     }
@@ -343,7 +368,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param objs 输出对象
      */
     public void finishJson(final Object... objs) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = objs;
         finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), objs));
     }
@@ -354,7 +379,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param ret RetResult输出对象
      */
     public void finishJson(final org.redkale.service.RetResult ret) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = ret;
         if (ret != null && !ret.isSuccess()) {
             this.header.addValue("retcode", String.valueOf(ret.getRetcode()));
@@ -370,7 +395,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param ret     RetResult输出对象
      */
     public void finishJson(final JsonConvert convert, final org.redkale.service.RetResult ret) {
-        this.contentType = "application/json; charset=utf-8";
+        this.contentType = this.jsonContentType;
         if (this.recycleListener != null) this.output = ret;
         if (ret != null && !ret.isSuccess()) {
             this.header.addValue("retcode", String.valueOf(ret.getRetcode()));
@@ -473,6 +498,8 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
             addHeader(result.getHeaders()).addCookie(result.getCookies()).setStatus(result.getStatus() < 1 ? 200 : result.getStatus());
             if (result.getResult() == null) {
                 finish("");
+            } else if (result.getResult() instanceof CharSequence) {
+                finish(result.getResult().toString());
             } else {
                 finish(convert, result.getResult());
             }
@@ -494,9 +521,9 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
                 }
             }
             if (convert instanceof JsonConvert) {
-                this.contentType = "application/json; charset=utf-8";
+                this.contentType = this.jsonContentType;
             } else if (convert instanceof TextConvert) {
-                this.contentType = "text/plain; charset=utf-8";
+                this.contentType = this.plainContentType;
             }
             if (this.recycleListener != null) this.output = obj;
             if (obj instanceof org.redkale.service.RetResult) {
@@ -589,7 +616,26 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finish(final byte[] bs) {
         if (isClosed()) return; //避免重复关闭
         if (this.context.getBufferCapacity() >= bs.length) {
-            ByteBuffer buffer = this.context.pollBuffer();
+            ByteBuffer buffer = getBodyBufferSupplier().get();
+            buffer.put(bs);
+            buffer.flip();
+            this.finish(false, buffer);
+        } else {
+            this.finish(false, ByteBuffer.wrap(bs));
+        }
+    }
+
+    /**
+     * 将指定byte[]按响应结果输出
+     *
+     * @param contentType ContentType
+     * @param bs          输出内容
+     */
+    public void finish(final String contentType, final byte[] bs) {
+        if (isClosed()) return; //避免重复关闭
+        this.contentType = contentType;
+        if (this.context.getBufferCapacity() >= bs.length) {
+            ByteBuffer buffer = getBodyBufferSupplier().get();
             buffer.put(bs);
             buffer.flip();
             this.finish(false, buffer);
@@ -835,18 +881,22 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     protected ByteBuffer createHeader() {
         this.headsended = true;
         ByteBuffer buffer = this.pollWriteReadBuffer();
-        buffer.put(("HTTP/1.1 " + this.status + " " + (this.status == 200 ? "OK" : httpCodes.get(this.status)) + "\r\n").getBytes());
-
-        buffer.put(("Content-Type: " + (this.contentType == null ? "text/plain; charset=utf-8" : this.contentType) + "\r\n").getBytes());
-
-        if (this.contentLength >= 0) {
-            buffer.put(("Content-Length: " + this.contentLength + "\r\n").getBytes());
+        if (this.status == 200) {
+            buffer.put(status200Bytes);
+        } else {
+            buffer.put(("HTTP/1.1 " + this.status + " " + httpCodes.get(this.status) + "\r\n").getBytes());
         }
-        if (!this.request.isKeepAlive()) {
-            buffer.put("Connection: close\r\n".getBytes());
+        if (this.contentLength >= 0) buffer.put(("Content-Length: " + this.contentLength + "\r\n").getBytes());
+        if (this.contentType == this.jsonContentType) {
+            buffer.put(this.jsonContentTypeBytes);
+        } else if (this.contentType == null || this.contentType == this.plainContentType) {
+            buffer.put(this.plainContentTypeBytes);
+        } else {
+            buffer.put(("Content-Type: " + (this.contentType == null ? this.plainContentType : this.contentType) + "\r\n").getBytes());
         }
-        buffer.put(("Date: " + gmtDateFormat.format(new Date()) + "\r\n").getBytes());
         buffer.put(serverNameBytes);
+        if (dateSupplier != null) buffer.put(dateSupplier.get());
+        buffer.put(this.request.isKeepAlive() ? connectAliveBytes : connectCloseBytes);
 
         if (this.defaultAddHeaders != null) {
             for (String[] headers : this.defaultAddHeaders) {
@@ -878,13 +928,13 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
             buffer.put((en.name + ": " + en.getValue() + "\r\n").getBytes());
         }
         if (request.newsessionid != null) {
-            String domain = defcookie == null ? null : defcookie.getDomain();
+            String domain = defaultCookie == null ? null : defaultCookie.getDomain();
             if (domain == null) {
                 domain = "";
             } else {
                 domain = "Domain=" + domain + "; ";
             }
-            String path = defcookie == null ? null : defcookie.getPath();
+            String path = defaultCookie == null ? null : defaultCookie.getPath();
             if (path == null || path.isEmpty()) path = "/";
             if (request.newsessionid.isEmpty()) {
                 buffer.put(("Set-Cookie: " + HttpRequest.SESSIONID_NAME + "=; " + domain + "Path=" + path + "; Max-Age=0; HttpOnly\r\n").getBytes());
@@ -895,9 +945,9 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         if (this.cookies != null) {
             for (HttpCookie cookie : this.cookies) {
                 if (cookie == null) continue;
-                if (defcookie != null) {
-                    if (defcookie.getDomain() != null && cookie.getDomain() == null) cookie.setDomain(defcookie.getDomain());
-                    if (defcookie.getPath() != null && cookie.getPath() == null) cookie.setPath(defcookie.getPath());
+                if (defaultCookie != null) {
+                    if (defaultCookie.getDomain() != null && cookie.getDomain() == null) cookie.setDomain(defaultCookie.getDomain());
+                    if (defaultCookie.getPath() != null && cookie.getPath() == null) cookie.setPath(defaultCookie.getPath());
                 }
                 buffer.put(("Set-Cookie: " + genString(cookie) + "\r\n").getBytes());
             }
@@ -914,7 +964,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         if (cookie.getPortlist() != null) sb.append("; Port=").append(cookie.getPortlist());
         if (cookie.getMaxAge() > 0) {
             sb.append("; Max-Age=").append(cookie.getMaxAge());
-            sb.append("; Expires=").append(gmtDateFormat.format(new Date(System.currentTimeMillis() + cookie.getMaxAge() * 1000)));
+            sb.append("; Expires=").append(RFC_1123_DATE_TIME.format(java.time.ZonedDateTime.now(ZONE_GMT).plusSeconds(cookie.getMaxAge())));
         }
         if (cookie.getSecure()) sb.append("; Secure");
         if (cookie.isHttpOnly()) sb.append("; HttpOnly");
@@ -1144,4 +1194,28 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         }
 
     }
+
+    public static class HttpResponseConfig {
+
+        public String plainContentType;
+
+        public String jsonContentType;
+
+        public String[][] defaultAddHeaders;
+
+        public String[][] defaultSetHeaders;
+
+        public HttpCookie defaultCookie;
+
+        public boolean autoOptions;
+
+        public Supplier<byte[]> dateSupplier;
+
+        public List< HttpRender> renders;
+
+        @Override
+        public String toString() {
+            return JsonConvert.root().convertTo(this);
+        }
+    }
 }

src/org/redkale/net/http/HttpResult.java

@@ -41,6 +41,11 @@ public class HttpResult<T> {
         this.result = result;
     }
 
+    public HttpResult(String contentType, T result) {
+        this.contentType = contentType;
+        this.result = result;
+    }
+
     public HttpResult<T> header(String name, Serializable value) {
         if (this.headers == null) this.headers = new HashMap<>();
         this.headers.put(name, String.valueOf(value));

src/org/redkale/net/http/HttpServer.java

@@ -8,10 +8,17 @@ package org.redkale.net.http;
 import java.lang.reflect.Field;
 import java.net.HttpCookie;
 import java.nio.ByteBuffer;
+import java.text.*;
+import java.time.ZoneId;
+import static java.time.format.DateTimeFormatter.RFC_1123_DATE_TIME;
 import java.util.*;
+import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Supplier;
 import java.util.logging.Level;
 import org.redkale.net.*;
+import org.redkale.net.http.HttpContext.HttpContextConfig;
+import org.redkale.net.http.HttpResponse.HttpResponseConfig;
 import org.redkale.net.sncp.Sncp;
 import org.redkale.service.Service;
 import org.redkale.util.*;
@@ -26,6 +33,10 @@ import org.redkale.util.*;
  */
 public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpResponse, HttpServlet> {
 
+    private ScheduledThreadPoolExecutor dateScheduler;
+
+    private byte[] currDateBytes;
+
     public HttpServer() {
         this(System.currentTimeMillis(), ResourceFactory.root());
     }
@@ -43,6 +54,15 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         super.init(config);
     }
 
+    @Override
+    public void destroy(final AnyValue config) throws Exception {
+        super.destroy(config);
+        if (this.dateScheduler != null) {
+            this.dateScheduler.shutdownNow();
+            this.dateScheduler = null;
+        }
+    }
+
     public List<HttpServlet> getHttpServlets() {
         return this.prepare.getServlets();
     }
@@ -295,7 +315,9 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         final List<String[]> defaultAddHeaders = new ArrayList<>();
         final List<String[]> defaultSetHeaders = new ArrayList<>();
         boolean autoOptions = false;
-
+        int datePeriod = 0;
+        String plainContentType = null;
+        String jsonContentType = null;
         HttpCookie defaultCookie = null;
         String remoteAddrHeader = null;
         if (config != null) {
@@ -314,6 +336,11 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
 
             AnyValue resps = config == null ? null : config.getAnyValue("response");
             if (resps != null) {
+                AnyValue contenttypes = resps.getAnyValue("contenttype");
+                if (contenttypes != null) {
+                    plainContentType = contenttypes.getValue("plain");
+                    jsonContentType = contenttypes.getValue("json");
+                }
                 AnyValue[] addHeaders = resps.getAnyValues("addheader");
                 if (addHeaders.length > 0) {
                     for (AnyValue addHeader : addHeaders) {
@@ -360,22 +387,74 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
                 }
                 AnyValue options = resps == null ? null : resps.getAnyValue("options");
                 autoOptions = options != null && options.getBoolValue("auto", false);
+
+                AnyValue dates = resps == null ? null : resps.getAnyValue("date");
+                datePeriod = dates == null ? 0 : dates.getIntValue("period", 0);
             }
 
         }
-        final String[][] addHeaders = defaultAddHeaders.isEmpty() ? null : defaultAddHeaders.toArray(new String[defaultAddHeaders.size()][]);
-        final String[][] setHeaders = defaultSetHeaders.isEmpty() ? null : defaultSetHeaders.toArray(new String[defaultSetHeaders.size()][]);
-        final boolean options = autoOptions;
+        Supplier<byte[]> dateSupplier = null;
+        if (datePeriod == 0) {
+            final ZoneId gmtZone = ZoneId.of("GMT");
+            dateSupplier = () -> ("Date: " + RFC_1123_DATE_TIME.format(java.time.ZonedDateTime.now(gmtZone)) + "\r\n").getBytes();
+        } else if (datePeriod > 0) {
+            if (this.dateScheduler == null) {
+                this.dateScheduler = new ScheduledThreadPoolExecutor(1, (Runnable r) -> {
+                    final Thread t = new Thread(r, "HTTP:" + port + "-DateSchedule-Thread");
+                    t.setDaemon(true);
+                    return t;
+                });
+                final DateFormat gmtDateFormat = new SimpleDateFormat("EEE, d MMM y HH:mm:ss z", Locale.ENGLISH);
+                gmtDateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
+                currDateBytes = ("Date: " + gmtDateFormat.format(new Date()) + "\r\n").getBytes();
+                final int dp = datePeriod;
+                this.dateScheduler.scheduleAtFixedRate(() -> {
+                    try {
+                        currDateBytes = ("Date: " + gmtDateFormat.format(new Date()) + "\r\n").getBytes();
+                    } catch (Throwable t) {
+                        logger.log(Level.SEVERE, "HttpServer schedule(interval=" + dp + "ms) date-format error", t);
+                    }
+                }, 1000 - System.currentTimeMillis() % 1000, datePeriod, TimeUnit.MILLISECONDS);
+                dateSupplier = () -> currDateBytes;
+            }
+        }
 
-        final HttpCookie defCookie = defaultCookie;
         final String addrHeader = remoteAddrHeader;
+
+        final HttpResponseConfig respConfig = new HttpResponseConfig();
+        respConfig.plainContentType = plainContentType;
+        respConfig.jsonContentType = jsonContentType;
+        respConfig.defaultAddHeaders = defaultAddHeaders.isEmpty() ? null : defaultAddHeaders.toArray(new String[defaultAddHeaders.size()][]);
+        respConfig.defaultSetHeaders = defaultSetHeaders.isEmpty() ? null : defaultSetHeaders.toArray(new String[defaultSetHeaders.size()][]);
+        respConfig.defaultCookie = defaultCookie;
+        respConfig.autoOptions = autoOptions;
+        respConfig.dateSupplier = dateSupplier;
+        respConfig.renders = ((HttpPrepareServlet) prepare).renders;
+
         AtomicLong createResponseCounter = new AtomicLong();
         AtomicLong cycleResponseCounter = new AtomicLong();
         ObjectPool<Response> responsePool = HttpResponse.createPool(createResponseCounter, cycleResponseCounter, this.responsePoolSize, null);
-        HttpContext httpcontext = new HttpContext(this.serverStartTime, this.logger, executor, this.sslContext, rcapacity, bufferPool, responsePool,
-            this.maxbody, this.charset, this.address, this.resourceFactory, this.prepare, this.readTimeoutSecond, this.writeTimeoutSecond);
-        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), addHeaders, setHeaders, defCookie, options, ((HttpPrepareServlet) prepare).renders));
+
+        final HttpContextConfig contextConfig = new HttpContextConfig();
+        contextConfig.serverStartTime = this.serverStartTime;
+        contextConfig.logger = this.logger;
+        contextConfig.executor = this.executor;
+        contextConfig.sslContext = this.sslContext;
+        contextConfig.bufferCapacity = rcapacity;
+        contextConfig.bufferPool = bufferPool;
+        contextConfig.responsePool = responsePool;
+        contextConfig.maxconns = this.maxconns;
+        contextConfig.maxbody = this.maxbody;
+        contextConfig.charset = this.charset;
+        contextConfig.address = this.address;
+        contextConfig.prepare = this.prepare;
+        contextConfig.resourceFactory = this.resourceFactory;
+        contextConfig.aliveTimeoutSeconds = this.aliveTimeoutSeconds;
+        contextConfig.readTimeoutSeconds = this.readTimeoutSeconds;
+        contextConfig.writeTimeoutSeconds = this.writeTimeoutSeconds;
+
+        HttpContext httpcontext = new HttpContext(contextConfig);
+        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), respConfig));
         return httpcontext;
     }
-
 }

src/org/redkale/net/http/MultiContext.java

@@ -26,8 +26,6 @@ public final class MultiContext {
 
     private static final Logger logger = Logger.getLogger(MultiContext.class.getSimpleName());
 
-    private static final Charset UTF8 = Charset.forName("UTF-8");
-
     private final String contentType;
 
     private final InputStream in;
@@ -58,7 +56,7 @@ public final class MultiContext {
     };
 
     public MultiContext(final Charset charsetName, final String contentType, final DefaultAnyValue params, final InputStream in, String fielnameRegex) {
-        this.charset = charsetName == null ? UTF8 : charsetName;
+        this.charset = charsetName == null ? StandardCharsets.UTF_8 : charsetName;
         this.contentType = contentType == null ? "" : contentType.trim();
         this.parameters = params;
         this.boundary = parseBoundary(this.contentType);

src/org/redkale/net/http/Rest.java

@@ -96,7 +96,7 @@ public final class Rest {
             String key = name + ":" + desc;
             if (fieldmap.containsKey(key)) return null;
             fieldmap.put(key, fieldnames);
-            return new MethodVisitor(Opcodes.ASM5) {
+            return new MethodVisitor(Opcodes.ASM6) {
                 @Override
                 public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
                     if (index < 1) return;
@@ -119,7 +119,7 @@ public final class Rest {
             InputStream in = clazz.getResourceAsStream(n.substring(n.lastIndexOf('.') + 1) + ".class");
             if (in == null) return map;
             try {
-                new ClassReader(Utility.readBytesThenClose(in)).accept(new MethodParamClassVisitor(Opcodes.ASM5, map), 0);
+                new ClassReader(Utility.readBytesThenClose(in)).accept(new MethodParamClassVisitor(Opcodes.ASM6, map), 0);
             } catch (Exception e) { //无需理会 
             }
             Class superClass = clazz.getSuperclass();
@@ -152,14 +152,14 @@ public final class Rest {
         final RestService controller = serviceType.getAnnotation(RestService.class);
         if (controller == null) return serviceType.getSimpleName().replaceAll("Service.*$", "").toLowerCase();
         if (controller.ignore()) return null;
-        return (!controller.name().isEmpty()) ? controller.name() : serviceType.getSimpleName().replaceAll("Service.*$", "").toLowerCase();
+        return (!controller.name().isEmpty()) ? controller.name().trim() : serviceType.getSimpleName().replaceAll("Service.*$", "").toLowerCase();
     }
 
     static String getWebModuleName(Class<? extends Service> serviceType) {
         final RestService controller = serviceType.getAnnotation(RestService.class);
         if (controller == null) return serviceType.getSimpleName().replaceAll("Service.*$", "");
         if (controller.ignore()) return null;
-        return (!controller.name().isEmpty()) ? controller.name() : serviceType.getSimpleName().replaceAll("Service.*$", "");
+        return (!controller.name().isEmpty()) ? controller.name().trim() : serviceType.getSimpleName().replaceAll("Service.*$", "");
     }
 
     static boolean isRestDyn(HttpServlet servlet) {
@@ -720,15 +720,83 @@ public final class Rest {
             av0.visit("value", Type.getType(Type.getDescriptor(serviceType)));
             av0.visitEnd();
         }
+
+        final List<MappingEntry> entrys = new ArrayList<>();
+        final Map<String, org.redkale.util.Attribute> restAttributes = new LinkedHashMap<>();
+        //获取所有可以转换成HttpMapping的方法
+        int methodidex = 0;
+        final List<java.lang.reflect.Type[]> paramtypes = new ArrayList<>();
+        for (final Method method : serviceType.getMethods()) {
+            if (Modifier.isStatic(method.getModifiers())) continue;
+            if (method.isSynthetic()) continue;
+            if (EXCLUDERMETHODS.contains(method.getName())) continue;
+            if ("init".equals(method.getName())) continue;
+            if ("destroy".equals(method.getName())) continue;
+            if ("version".equals(method.getName())) continue;
+            if (controller == null) continue;
+
+            RestMapping[] mappings = method.getAnnotationsByType(RestMapping.class);
+            if (!controller.automapping() && mappings.length < 1) continue;
+            boolean ignore = false;
+            for (RestMapping mapping : mappings) {
+                if (mapping.ignore()) {
+                    ignore = true;
+                    break;
+                }
+            }
+            if (ignore) continue;
+
+            Class[] extypes = method.getExceptionTypes();
+            if (extypes.length > 1) {
+                if (mappings != null && mappings.length > 0) throw new RuntimeException("@" + RestMapping.class.getSimpleName() + " only for method with throws IOException");
+                continue;
+            }
+            if (extypes.length == 1 && extypes[0] != IOException.class) {
+                if (mappings != null && mappings.length > 0) throw new RuntimeException("@" + RestMapping.class.getSimpleName() + " only for method with throws IOException");
+                continue;
+            }
+            paramtypes.add(TypeToken.getGenericType(method.getGenericParameterTypes(), serviceType));
+            if (mappings.length == 0) { //没有Mapping，设置一个默认值
+                MappingEntry entry = new MappingEntry(methodidex, null, bigmodulename, method);
+                if (entrys.contains(entry)) throw new RuntimeException(serviceType.getName() + " on " + method.getName() + " 's mapping(" + entry.name + ") is repeat");
+                entrys.add(entry);
+            } else {
+                for (RestMapping mapping : mappings) {
+                    MappingEntry entry = new MappingEntry(methodidex, mapping, defmodulename, method);
+                    if (entrys.contains(entry)) throw new RuntimeException(serviceType.getName() + " on " + method.getName() + " 's mapping(" + entry.name + ") is repeat");
+                    entrys.add(entry);
+                }
+            }
+            methodidex++;
+        }
+        if (entrys.isEmpty()) return null; //没有可HttpMapping的方法
+
         { //注入 @WebServlet 注解
-            String urlpath = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + defmodulename + "/*";
+            String urlpath = "";
             int moduleid = controller == null ? 0 : controller.moduleid();
             boolean repair = controller == null ? true : controller.repair();
             String comment = controller == null ? "" : controller.comment();
             av0 = cw.visitAnnotation(webServletDesc, true);
             {
                 AnnotationVisitor av1 = av0.visitArray("value");
-                av1.visit(null, urlpath);
+                boolean pound = false;
+                for (MappingEntry entry : entrys) {
+                    if (entry.existsPound) {
+                        pound = true;
+                        break;
+                    }
+                }
+                if (defmodulename.isEmpty() || (!pound && entrys.size() <= 6)) {
+                    for (MappingEntry entry : entrys) {
+                        String suburl = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + (defmodulename.isEmpty() ? "" : (defmodulename + "/")) + entry.name;
+                        urlpath += "," + suburl;
+                        av1.visit(null, suburl);
+                    }
+                    if (urlpath.length() > 0) urlpath = urlpath.substring(1);
+                } else {
+                    urlpath = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + defmodulename + "/*";
+                    av1.visit(null, urlpath);
+                }
                 av1.visitEnd();
             }
             av0.visit("moduleid", moduleid);
@@ -774,48 +842,6 @@ public final class Rest {
             mv.visitEnd();
         }
 
-        final List<MappingEntry> entrys = new ArrayList<>();
-        final Map<String, org.redkale.util.Attribute> restAttributes = new LinkedHashMap<>();
-        //获取所有可以转换成HttpMapping的方法
-        int methodidex = 0;
-        final List<java.lang.reflect.Type[]> paramtypes = new ArrayList<>();
-        for (final Method method : serviceType.getMethods()) {
-            if (Modifier.isStatic(method.getModifiers())) continue;
-            if (method.isSynthetic()) continue;
-            Class[] extypes = method.getExceptionTypes();
-            if (extypes.length > 1) continue;
-            if (extypes.length == 1 && extypes[0] != IOException.class) continue;
-            if (EXCLUDERMETHODS.contains(method.getName())) continue;
-            if ("init".equals(method.getName())) continue;
-            if ("destroy".equals(method.getName())) continue;
-            if ("version".equals(method.getName())) continue;
-
-            RestMapping[] mappings = method.getAnnotationsByType(RestMapping.class);
-            if (controller == null) continue;
-            if (!controller.automapping() && mappings.length < 1) continue;
-            boolean ignore = false;
-            for (RestMapping mapping : mappings) {
-                if (mapping.ignore()) {
-                    ignore = true;
-                    break;
-                }
-            }
-            if (ignore) continue;
-            paramtypes.add(TypeToken.getGenericType(method.getGenericParameterTypes(), serviceType));
-            if (mappings.length == 0) { //没有Mapping，设置一个默认值
-                MappingEntry entry = new MappingEntry(methodidex, null, bigmodulename, method);
-                if (entrys.contains(entry)) throw new RuntimeException(serviceType.getName() + " on " + method.getName() + " 's mapping(" + entry.name + ") is repeat");
-                entrys.add(entry);
-            } else {
-                for (RestMapping mapping : mappings) {
-                    MappingEntry entry = new MappingEntry(methodidex, mapping, defmodulename, method);
-                    if (entrys.contains(entry)) throw new RuntimeException(serviceType.getName() + " on " + method.getName() + " 's mapping(" + entry.name + ") is repeat");
-                    entrys.add(entry);
-                }
-            }
-            methodidex++;
-        }
-        if (entrys.isEmpty()) return null; //没有可HttpMapping的方法
         //将每个Service可转换的方法生成HttpServlet对应的HttpMapping方法
         final Map<String, List<String>> asmParamMap = MethodParamClassVisitor.getMethodParamNames(new HashMap<>(), serviceType);
         final Map<String, java.lang.reflect.Type> bodyTypes = new HashMap<>();
@@ -992,7 +1018,7 @@ public final class Rest {
                     }
                 }
                 av0 = mv.visitAnnotation(mappingDesc, true);
-                String url = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + defmodulename + "/" + entry.name + (reqpath ? "/" : "");
+                String url = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + (defmodulename.isEmpty() ? "" : (defmodulename + "/")) + entry.name + (reqpath ? "/" : "");
                 av0.visit("url", url);
                 av0.visit("auth", entry.auth);
                 av0.visit("cacheseconds", entry.cacheseconds);
@@ -1802,6 +1828,22 @@ public final class Rest {
             this.actionid = mapping.actionid();
             this.cacheseconds = mapping.cacheseconds();
             this.comment = mapping.comment();
+            boolean pound = false;
+            Parameter[] params = method.getParameters();
+            for (Parameter param : params) {
+                RestParam rp = param.getAnnotation(RestParam.class);
+                if (rp != null && !rp.name().isEmpty() && rp.name().charAt(0) == '#') {
+                    pound = true;
+                    break;
+                }
+            }
+            if (!pound && params.length == 1) {
+                Class ptype = method.getParameterTypes()[0];
+                if (this.name.startsWith("find") || this.name.startsWith("delete")) {
+                    if (ptype.isPrimitive() || ptype == String.class) pound = true;
+                }
+            }
+            this.existsPound = pound;
         }
 
         public final int methodidx; // _paramtypes 的下标，从0开始
@@ -1822,6 +1864,8 @@ public final class Rest {
 
         public final int cacheseconds;
 
+        public final boolean existsPound;  //是否包含#的参数
+
         @RestMapping()
         void mapping() { //用于获取Mapping 默认值
         }

src/org/redkale/net/http/RestMapping.java

@@ -10,7 +10,7 @@ import static java.lang.annotation.ElementType.*;
 import static java.lang.annotation.RetentionPolicy.*;
 
 /**
- * 只能依附在Service实现类的public方法上  <br>
+ * 只能依附在Service实现类的public方法上，且方法如果throws只能是IOException  <br>
  * value默认为"/" + Service的类名去掉Service字样的小写字符串 (如HelloService，的默认路径为/hello)。  <br>
  * <p>
  * 详情见: https://redkale.org

src/org/redkale/net/http/RestWebSocket.java

@@ -81,6 +81,13 @@ public @interface RestWebSocket {
      */
     int wsmaxconns() default 0;
 
+    /**
+     * 操作WebSocketNode对应CacheSource并发数, 为-1表示无限制，为0表示系统默认值(CPU*8)
+     *
+     * @return 最大连接数
+     */
+    int wsthreads() default 0;
+
     /**
      * 最大消息体长度, 小于1表示无限制
      *

src/org/redkale/net/http/WebSocket.java

@@ -754,11 +754,12 @@ public abstract class WebSocket<G extends Serializable, T> {
     }
 
     /**
-     * 当Single模式下用户重复登陆时回调函数， 默认处理逻辑：关闭之前的WebSocket连接
+     * 当Single模式下用户重复登陆时回调函数，默认处理方式: 关闭旧连接
      *
+     * @return Future 可以为null, 为null或者Future值为false表示关闭新连接， Future值为true表示关闭旧连接
      */
-    public void onSingleRepeatConnect() {
-        this._engine.node.forceCloseWebSocket(getUserid());
+    public CompletableFuture<Boolean> onSingleRepeatConnect() {
+        return forceCloseWebSocket(getUserid()).thenApply((r) -> true);
     }
 
     /**

src/org/redkale/net/http/WebSocketEngine.java

@@ -70,6 +70,9 @@ public class WebSocketEngine {
     @Comment("最大连接数, 为0表示无限制")
     protected int wsmaxconns;
 
+    @Comment("操作WebSocketNode对应CacheSource并发数, 为-1表示无限制，为0表示系统默认值(CPU*8)")
+    protected int wsthreads;
+
     @Comment("最大消息体长度, 小于1表示无限制")
     protected int wsmaxbody;
 
@@ -77,7 +80,7 @@ public class WebSocketEngine {
     protected Cryptor cryptor;
 
     protected WebSocketEngine(String engineid, boolean single, HttpContext context, int liveinterval,
-        int wsmaxconns, int wsmaxbody, Cryptor cryptor, WebSocketNode node, Convert sendConvert, Logger logger) {
+        int wsmaxconns, int wsthreads, int wsmaxbody, Cryptor cryptor, WebSocketNode node, Convert sendConvert, Logger logger) {
         this.engineid = engineid;
         this.single = single;
         this.context = context;
@@ -85,6 +88,7 @@ public class WebSocketEngine {
         this.node = node;
         this.liveinterval = liveinterval;
         this.wsmaxconns = wsmaxconns;
+        this.wsthreads = wsthreads;
         this.wsmaxbody = wsmaxbody;
         this.cryptor = cryptor;
         this.logger = logger;
@@ -97,6 +101,7 @@ public class WebSocketEngine {
         this.liveinterval = props == null ? (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval) : props.getIntValue(WEBPARAM__LIVEINTERVAL, (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval));
         if (liveinterval <= 0) return;
         if (props != null) this.wsmaxconns = props.getIntValue(WEBPARAM__WSMAXCONNS, this.wsmaxconns);
+        if (props != null) this.wsthreads = props.getIntValue(WEBPARAM__WSTHREADS, this.wsthreads);
         if (props != null) this.wsmaxbody = props.getIntValue(WEBPARAM__WSMAXBODY, this.wsmaxbody);
         if (scheduler != null) return;
         this.scheduler = new ScheduledThreadPoolExecutor(1, (Runnable r) -> {
@@ -107,8 +112,12 @@ public class WebSocketEngine {
         long delay = (liveinterval - System.currentTimeMillis() / 1000 % liveinterval) + index * 5;
         final int intervalms = liveinterval * 1000;
         scheduler.scheduleWithFixedDelay(() -> {
-            long now = System.currentTimeMillis();
-            getLocalWebSockets().stream().filter(x -> (now - x.getLastReadTime()) > intervalms).forEach(x -> x.sendPing());
+            try {
+                long now = System.currentTimeMillis();
+                getLocalWebSockets().stream().filter(x -> (now - x.getLastReadTime()) > intervalms).forEach(x -> x.sendPing());
+            } catch (Throwable t) {
+                logger.log(Level.SEVERE, "WebSocketEngine schedule(interval=" + liveinterval + "s) ping error", t);
+            }
         }, delay, liveinterval, TimeUnit.SECONDS);
         if (logger.isLoggable(Level.FINEST)) logger.finest(this.getClass().getSimpleName() + "(" + engineid + ")" + " start keeplive(wsmaxconns:" + wsmaxconns + ", delay:" + delay + "s, interval:" + liveinterval + "s) scheduler executor");
     }
@@ -135,7 +144,7 @@ public class WebSocketEngine {
     }
 
     @Comment("从WebSocketEngine删除指定WebSocket")
-    void remove(WebSocket socket) {
+    void removeThenClose(WebSocket socket) {
         Serializable userid = socket._userid;
         if (single) {
             currconns.decrementAndGet();

src/org/redkale/net/http/WebSocketNode.java

@@ -32,9 +32,6 @@ public abstract class WebSocketNode {
     @Comment("存储用户ID的key前缀")
     public static final String SOURCE_SNCP_USERID_PREFIX = "sncpws_uid:";
 
-    @Comment("存储用户数的key")
-    public static final String SOURCE_SNCP_USERCOUNT_KEY = "sncpws_usercount";
-
     @Comment("存储当前SNCP节点列表的key")
     public static final String SOURCE_SNCP_ADDRS_KEY = "sncpws_addrs";
 
@@ -60,17 +57,30 @@ public abstract class WebSocketNode {
     //当前节点的本地WebSocketEngine
     protected WebSocketEngine localEngine;
 
+    protected Semaphore semaphore;
+
     public void init(AnyValue conf) {
         if (sncpNodeAddresses != null) sncpNodeAddresses.initValueType(InetSocketAddress.class);
+        if (localEngine != null) {
+            int wsthreads = localEngine.wsthreads;
+            if (wsthreads == 0) wsthreads = Runtime.getRuntime().availableProcessors() * 8;
+            if (wsthreads > 0) this.semaphore = new Semaphore(wsthreads);
+        }
     }
 
     public void destroy(AnyValue conf) {
     }
 
+    @Local
+    public final Semaphore getSemaphore() {
+        return semaphore;
+    }
+
+    @Local
     public final void postDestroy(AnyValue conf) {
         if (this.localEngine == null) return;
         //关掉所有本地本地WebSocket
-        this.localEngine.getLocalWebSockets().forEach(g -> disconnect(g.getUserid()));
+        this.localEngine.getLocalWebSockets().forEach(g -> disconnect(g.getUserid()).join());
         if (sncpNodeAddresses != null && localSncpAddress != null) {
             sncpNodeAddresses.removeSetItem(SOURCE_SNCP_ADDRS_KEY, localSncpAddress);
         }
@@ -135,7 +145,12 @@ public abstract class WebSocketNode {
      * @return 地址列表
      */
     public CompletableFuture<Collection<InetSocketAddress>> getRpcNodeAddresses(final Serializable userid) {
-        if (this.sncpNodeAddresses != null) return this.sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+        if (this.sncpNodeAddresses != null) {
+            tryAcquireSemaphore();
+            CompletableFuture<Collection<InetSocketAddress>> result = this.sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+            if (semaphore != null) result.whenComplete((r, e) -> releaseSemaphore());
+            return result;
+        }
         List<InetSocketAddress> rs = new ArrayList<>();
         rs.add(this.localSncpAddress);
         return CompletableFuture.completedFuture(rs);
@@ -176,7 +191,10 @@ public abstract class WebSocketNode {
         if (this.localEngine != null && this.sncpNodeAddresses == null) {
             return CompletableFuture.completedFuture(this.localEngine.existsLocalWebSocket(userid));
         }
-        return this.sncpNodeAddresses.existsAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+        tryAcquireSemaphore();
+        CompletableFuture<Boolean> rs = this.sncpNodeAddresses.existsAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+        if (semaphore != null) rs.whenComplete((r, e) -> releaseSemaphore());
+        return rs;
     }
 
     /**
@@ -189,7 +207,10 @@ public abstract class WebSocketNode {
         if (this.localEngine != null && this.sncpNodeAddresses == null) {
             return CompletableFuture.completedFuture(this.localEngine.getLocalUserSize());
         }
-        return this.sncpNodeAddresses.getLongAsync(SOURCE_SNCP_USERCOUNT_KEY, 0L).thenApply(v -> v.intValue());
+        tryAcquireSemaphore();
+        CompletableFuture<Integer> rs = this.sncpNodeAddresses.queryKeysStartsWithAsync(SOURCE_SNCP_USERID_PREFIX).thenApply(v -> v.size());
+        if (semaphore != null) rs.whenComplete((r, e) -> releaseSemaphore());
+        return rs;
     }
 
     /**
@@ -199,6 +220,7 @@ public abstract class WebSocketNode {
      *
      * @return int
      */
+    @Local
     public final CompletableFuture<Integer> forceCloseWebSocket(final Serializable userid) {
         CompletableFuture<Integer> localFuture = null;
         if (this.localEngine != null) localFuture = CompletableFuture.completedFuture(localEngine.forceCloseLocalWebSocket(userid));
@@ -208,7 +230,9 @@ public abstract class WebSocketNode {
             return localFuture;
         }
         //远程节点关闭
+        tryAcquireSemaphore();
         CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+        if (semaphore != null) addrsFuture.whenComplete((r, e) -> releaseSemaphore());
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
             if (logger.isLoggable(Level.FINEST)) logger.finest("websocket found userid:" + userid + " on " + addrs);
             if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(0);
@@ -230,6 +254,7 @@ public abstract class WebSocketNode {
      *
      * @return WebSocketEngine
      */
+    @Local
     public final WebSocketEngine getLocalWebSocketEngine() {
         return this.localEngine;
     }
@@ -243,6 +268,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(Object message, final Stream<? extends Serializable> userids) {
         return sendMessage((Convert) null, message, true, userids);
     }
@@ -256,6 +282,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(Object message, final Serializable... userids) {
         return sendMessage((Convert) null, message, true, userids);
     }
@@ -270,6 +297,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Convert convert, Object message, final Stream<? extends Serializable> userids) {
         return sendMessage(convert, message, true, userids);
     }
@@ -284,6 +312,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Convert convert, Object message, final Serializable... userids) {
         return sendMessage(convert, message, true, userids);
     }
@@ -298,6 +327,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Object message, final boolean last, final Stream<? extends Serializable> userids) {
         return sendMessage((Convert) null, message, last, userids);
     }
@@ -312,6 +342,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Object message, final boolean last, final Serializable... userids) {
         return sendMessage((Convert) null, message, last, userids);
     }
@@ -327,6 +358,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Convert convert, final Object message0, final boolean last, final Stream<? extends Serializable> userids) {
         Object[] array = userids.toArray();
         Serializable[] ss = new Serializable[array.length];
@@ -347,6 +379,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> sendMessage(final Convert convert, final Object message0, final boolean last, final Serializable... userids) {
         if (userids == null || userids.length < 1) return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
         if (message0 instanceof CompletableFuture) return ((CompletableFuture) message0).thenApply(msg -> sendMessage(convert, msg, last, userids));
@@ -370,6 +403,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final Object message) {
         return broadcastMessage((Convert) null, message, true);
     }
@@ -382,6 +416,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message) {
         return broadcastMessage(wsrange, (Convert) null, message, true);
     }
@@ -394,6 +429,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final Convert convert, final Object message) {
         return broadcastMessage(convert, message, true);
     }
@@ -407,6 +443,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message) {
         return broadcastMessage(wsrange, convert, message, true);
     }
@@ -419,6 +456,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final Object message, final boolean last) {
         return broadcastMessage((Convert) null, message, last);
     }
@@ -432,6 +470,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message, final boolean last) {
         return broadcastMessage(wsrange, (Convert) null, message, last);
     }
@@ -445,6 +484,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final Convert convert, final Object message0, final boolean last) {
         return broadcastMessage((WebSocketRange) null, convert, message0, last);
     }
@@ -459,6 +499,7 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
+    @Local
     public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message0, final boolean last) {
         if (message0 instanceof CompletableFuture) return ((CompletableFuture) message0).thenApply(msg -> broadcastMessage(wsrange, convert, msg, last));
         final Object message = (convert == null || message0 instanceof WebSocketPacket) ? message0 : ((convert instanceof TextConvert) ? new WebSocketPacket(((TextConvert) convert).convertTo(message0), last) : new WebSocketPacket(((BinaryConvert) convert).convertTo(message0), last));
@@ -467,7 +508,9 @@ public abstract class WebSocketNode {
         }
         final Object remoteMessage = formatRemoteMessage(message);
         CompletableFuture<Integer> localFuture = this.localEngine == null ? null : this.localEngine.broadcastMessage(wsrange, message, last);
+        tryAcquireSemaphore();
         CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_ADDRS_KEY);
+        if (semaphore != null) addrsFuture.whenComplete((r, e) -> releaseSemaphore());
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
             if (logger.isLoggable(Level.FINEST)) logger.finest("websocket broadcast message (" + remoteMessage + ") on " + addrs);
             if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(0);
@@ -496,7 +539,9 @@ public abstract class WebSocketNode {
         }
         //远程节点发送消息
         final Object remoteMessage = formatRemoteMessage(message);
+        tryAcquireSemaphore();
         CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
+        if (semaphore != null) addrsFuture.whenComplete((r, e) -> releaseSemaphore());
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
             if (addrs == null || addrs.isEmpty()) {
                 if (logger.isLoggable(Level.FINER)) logger.finer("websocket not found userid:" + userid + " on any node ");
@@ -522,4 +567,17 @@ public abstract class WebSocketNode {
         if (sendConvert instanceof BinaryConvert) ((BinaryConvert) sendConvert).convertTo(message);
         return JsonConvert.root().convertTo(message);
     }
+
+    protected boolean tryAcquireSemaphore() {
+        if (this.semaphore == null) return true;
+        try {
+            return this.semaphore.tryAcquire(6, TimeUnit.SECONDS);
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    protected void releaseSemaphore() {
+        if (this.semaphore != null) this.semaphore.release();
+    }
 }

src/org/redkale/net/http/WebSocketPacket.java

@@ -8,7 +8,7 @@ package org.redkale.net.http;
 import org.redkale.util.Utility;
 import java.io.*;
 import java.nio.ByteBuffer;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.AbstractMap;
 import java.util.function.*;
 import java.util.logging.*;
@@ -24,8 +24,6 @@ import org.redkale.net.Cryptor;
  */
 public final class WebSocketPacket {
 
-    private static final Charset UTF_8 = Charset.forName("UTF-8");
-
     static final WebSocketPacket NONE = new WebSocketPacket();
 
     public static final WebSocketPacket DEFAULT_PING_PACKET = new WebSocketPacket(FrameType.PING, new byte[0]);
@@ -480,7 +478,7 @@ public final class WebSocketPacket {
         if (this.type == FrameType.TEXT) {
             Convert textConvert = webSocket.getTextConvert();
             if (textConvert == null) {
-                this.receiveMessage = new String(this.getReceiveBytes(buffers), UTF_8);
+                this.receiveMessage = new String(this.getReceiveBytes(buffers), StandardCharsets.UTF_8);
                 this.receiveType = MessageType.STRING;
             } else {
                 this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);

src/org/redkale/net/http/WebSocketRunner.java

@@ -6,7 +6,6 @@
 package org.redkale.net.http;
 
 import org.redkale.net.AsyncConnection;
-import org.redkale.net.Context;
 import static org.redkale.net.http.WebSocket.*;
 import org.redkale.net.http.WebSocketPacket.FrameType;
 import java.nio.ByteBuffer;
@@ -34,7 +33,7 @@ class WebSocketRunner implements Runnable {
 
     private final WebSocket webSocket;
 
-    protected final Context context;
+    protected final HttpContext context;
 
     private ByteBuffer readBuffer;
 
@@ -42,7 +41,7 @@ class WebSocketRunner implements Runnable {
 
     private final AtomicBoolean writing = new AtomicBoolean();
 
-    private final BlockingQueue<QueueEntry> queue = new ArrayBlockingQueue(1024);
+    private final BlockingQueue<QueueEntry> writeQueue = new ArrayBlockingQueue(512);
 
     private final BiConsumer<WebSocket, Object> restMessageConsumer;  //主要供RestWebSocket使用
 
@@ -50,7 +49,7 @@ class WebSocketRunner implements Runnable {
 
     protected long lastReadTime;
 
-    WebSocketRunner(Context context, WebSocket webSocket, BiConsumer<WebSocket, Object> messageConsumer, AsyncConnection channel) {
+    WebSocketRunner(HttpContext context, WebSocket webSocket, BiConsumer<WebSocket, Object> messageConsumer, AsyncConnection channel) {
         this.context = context;
         this.engine = webSocket._engine;
         this.webSocket = webSocket;
@@ -64,7 +63,7 @@ class WebSocketRunner implements Runnable {
         final boolean debug = context.getLogger().isLoggable(Level.FINEST);
         try {
             webSocket.onConnected();
-            channel.setReadTimeoutSecond(300); //读取超时5分钟
+            channel.setReadTimeoutSeconds(300); //读取超时5分钟
             if (channel.isOpen()) {
                 final int wsmaxbody = webSocket._engine.wsmaxbody;
                 channel.read(readBuffer, null, new CompletionHandler<Integer, Void>() {
@@ -80,117 +79,125 @@ class WebSocketRunner implements Runnable {
                     @Override
                     public void completed(Integer count, Void attachment1) {
                         if (count < 1) {
-                            if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on read buffer count, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
+                            if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner(userid="+webSocket.getUserid()+") abort on read buffer count, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
                             closeRunner(0, "read buffer count is " + count);
                             return;
                         }
-                        if (readBuffer == null) return;
-                        lastReadTime = System.currentTimeMillis();
-                        readBuffer.flip();
-
-                        WebSocketPacket onePacket = null;
-                        if (unfinishPacket != null) {
-                            if (unfinishPacket.receiveBody(webSocket, readBuffer)) { //已经接收完毕
-                                onePacket = unfinishPacket;
-                                unfinishPacket = null;
-                                for (ByteBuffer b : exBuffers) {
-                                    context.offerBuffer(b);
-                                }
-                                exBuffers.clear();
-                            } else { //需要继续接收
-                                readBuffer = context.pollBuffer();
-                                channel.read(readBuffer, null, this);
-                                return;
-                            }
-                        }
-
-                        final List<WebSocketPacket> packets = new ArrayList<>();
-                        if (onePacket != null) packets.add(onePacket);
                         try {
-                            while (true) {
-                                WebSocketPacket packet = new WebSocketPacket().decode(context.getLogger(), webSocket, wsmaxbody, halfBytes, readBuffer);
-                                if (packet == WebSocketPacket.NONE) break; //解析完毕但是buffer有多余字节
-                                if (packet != null && !packet.isReceiveFinished()) {
-                                    unfinishPacket = packet;
-                                    if (readBuffer.hasRemaining()) {
-                                        exBuffers.add(readBuffer);
-                                        readBuffer = context.pollBuffer();
+                            ByteBuffer readBuf = readBuffer;
+                            if (readBuf == null) return; //关闭后readBuffer为null
+                            lastReadTime = System.currentTimeMillis();
+                            readBuf.flip();
+
+                            WebSocketPacket onePacket = null;
+                            if (unfinishPacket != null) {
+                                if (unfinishPacket.receiveBody(webSocket, readBuf)) { //已经接收完毕
+                                    onePacket = unfinishPacket;
+                                    unfinishPacket = null;
+                                    for (ByteBuffer b : exBuffers) {
+                                        context.offerBuffer(b);
                                     }
-                                    break;
+                                    exBuffers.clear();
+                                } else { //需要继续接收
+                                    readBuf = context.pollBuffer();
+                                    readBuffer = readBuf;
+                                    channel.read(readBuf, null, this);
+                                    return;
+                                }
+                            }
+
+                            final List<WebSocketPacket> packets = new ArrayList<>();
+                            if (onePacket != null) packets.add(onePacket);
+                            try {
+                                while (true) {
+                                    WebSocketPacket packet = new WebSocketPacket().decode(context.getLogger(), webSocket, wsmaxbody, halfBytes, readBuf);
+                                    if (packet == WebSocketPacket.NONE) break; //解析完毕但是buffer有多余字节
+                                    if (packet != null && !packet.isReceiveFinished()) {
+                                        unfinishPacket = packet;
+                                        if (readBuf.hasRemaining()) {
+                                            exBuffers.add(readBuf);
+                                            readBuf = context.pollBuffer();
+                                            readBuffer = readBuf;
+                                        }
+                                        break;
+                                    }
+                                    packets.add(packet);
+                                    if (packet == null || !readBuf.hasRemaining()) break;
+                                }
+                            } catch (Exception e) {
+                                context.getLogger().log(Level.SEVERE, "WebSocket parse message error", e);
+                                webSocket.onOccurException(e, null);
+                            }
+                            //继续监听消息
+                            readBuf.clear();
+                            if (halfBytes.getValue() != null) {
+                                readBuf.put(halfBytes.getValue());
+                                halfBytes.setValue(null);
+                            }
+                            channel.read(readBuf, null, this);
+
+                            //消息处理
+                            for (final WebSocketPacket packet : packets) {
+                                if (packet == null) {
+                                    if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on decode WebSocketPacket, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
+                                    failed(null, attachment1);
+                                    return;
+                                }
+
+                                if (packet.type == FrameType.TEXT) {
+                                    try {
+                                        if (packet.receiveType == WebSocketPacket.MessageType.STRING) {
+                                            webSocket.onMessage((String) packet.receiveMessage, packet.last);
+                                        } else {
+                                            if (restMessageConsumer != null) { //主要供RestWebSocket使用
+                                                restMessageConsumer.accept(webSocket, packet.receiveMessage);
+                                            } else {
+                                                webSocket.onMessage(packet.receiveMessage, packet.last);
+                                            }
+                                        }
+                                    } catch (Throwable e) {
+                                        context.getLogger().log(Level.SEVERE, "WebSocket onTextMessage error (" + packet + ")", e);
+                                    }
+                                } else if (packet.type == FrameType.BINARY) {
+                                    try {
+                                        if (packet.receiveType == WebSocketPacket.MessageType.BYTES) {
+                                            webSocket.onMessage((byte[]) packet.receiveMessage, packet.last);
+                                        } else {
+                                            if (restMessageConsumer != null) { //主要供RestWebSocket使用
+                                                restMessageConsumer.accept(webSocket, packet.receiveMessage);
+                                            } else {
+                                                webSocket.onMessage(packet.receiveMessage, packet.last);
+                                            }
+                                        }
+                                    } catch (Throwable e) {
+                                        context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
+                                    }
+                                } else if (packet.type == FrameType.PING) {
+                                    try {
+                                        webSocket.onPing((byte[]) packet.receiveMessage);
+                                    } catch (Exception e) {
+                                        context.getLogger().log(Level.SEVERE, "WebSocket onPing error (" + packet + ")", e);
+                                    }
+                                } else if (packet.type == FrameType.PONG) {
+                                    try {
+                                        if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by PONG FrameType : " + packet);
+                                        webSocket.onPong((byte[]) packet.receiveMessage);
+                                    } catch (Exception e) {
+                                        context.getLogger().log(Level.SEVERE, "WebSocket onPong error (" + packet + ")", e);
+                                    }
+                                } else if (packet.type == FrameType.CLOSE) {
+                                    if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by CLOSE FrameType : " + packet);
+                                    closeRunner(0, "received CLOSE frame-type message");
+                                    return;
+                                } else {
+                                    context.getLogger().log(Level.WARNING, "WebSocketRunner onMessage by unknown FrameType : " + packet);
+                                    closeRunner(0, "received unknown frame-type message");
+                                    return;
                                 }
-                                packets.add(packet);
-                                if (packet == null || !readBuffer.hasRemaining()) break;
                             }
                         } catch (Exception e) {
-                            context.getLogger().log(Level.SEVERE, "WebSocket parse message error", e);
-                            webSocket.onOccurException(e, null);
-                        }
-                        //继续监听消息
-                        readBuffer.clear();
-                        if (halfBytes.getValue() != null) {
-                            readBuffer.put(halfBytes.getValue());
-                            halfBytes.setValue(null);
-                        }
-                        channel.read(readBuffer, null, this);
-
-                        //消息处理
-                        for (final WebSocketPacket packet : packets) {
-                            if (packet == null) {
-                                if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on decode WebSocketPacket, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
-                                failed(null, attachment1);
-                                return;
-                            }
-
-                            if (packet.type == FrameType.TEXT) {
-                                try {
-                                    if (packet.receiveType == WebSocketPacket.MessageType.STRING) {
-                                        webSocket.onMessage((String) packet.receiveMessage, packet.last);
-                                    } else {
-                                        if (restMessageConsumer != null) { //主要供RestWebSocket使用
-                                            restMessageConsumer.accept(webSocket, packet.receiveMessage);
-                                        } else {
-                                            webSocket.onMessage(packet.receiveMessage, packet.last);
-                                        }
-                                    }
-                                } catch (Throwable e) {
-                                    context.getLogger().log(Level.SEVERE, "WebSocket onTextMessage error (" + packet + ")", e);
-                                }
-                            } else if (packet.type == FrameType.BINARY) {
-                                try {
-                                    if (packet.receiveType == WebSocketPacket.MessageType.BYTES) {
-                                        webSocket.onMessage((byte[]) packet.receiveMessage, packet.last);
-                                    } else {
-                                        if (restMessageConsumer != null) { //主要供RestWebSocket使用
-                                            restMessageConsumer.accept(webSocket, packet.receiveMessage);
-                                        } else {
-                                            webSocket.onMessage(packet.receiveMessage, packet.last);
-                                        }
-                                    }
-                                } catch (Throwable e) {
-                                    context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
-                                }
-                            } else if (packet.type == FrameType.PING) {
-                                try {
-                                    webSocket.onPing((byte[]) packet.receiveMessage);
-                                } catch (Exception e) {
-                                    context.getLogger().log(Level.SEVERE, "WebSocket onPing error (" + packet + ")", e);
-                                }
-                            } else if (packet.type == FrameType.PONG) {
-                                try {
-                                    if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by PONG FrameType : " + packet);
-                                    webSocket.onPong((byte[]) packet.receiveMessage);
-                                } catch (Exception e) {
-                                    context.getLogger().log(Level.SEVERE, "WebSocket onPong error (" + packet + ")", e);
-                                }
-                            } else if (packet.type == FrameType.CLOSE) {
-                                if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by CLOSE FrameType : " + packet);
-                                closeRunner(0, "received CLOSE frame-type message");
-                                return;
-                            } else {
-                                context.getLogger().log(Level.WARNING, "WebSocketRunner onMessage by unknown FrameType : " + packet);
-                                closeRunner(0, "received unknown frame-type message");
-                                return;
-                            }
+                            context.getLogger().log(Level.WARNING, "WebSocketRunner(userid=" + webSocket.getUserid() + ") onMessage by received error", e);
+                            closeRunner(0, "websocket-received error");
                         }
                     }
 
@@ -220,15 +227,16 @@ class WebSocketRunner implements Runnable {
         boolean debug = context.getLogger().isLoggable(Level.FINEST);
         //System.out.println("推送消息");        
         final CompletableFuture<Integer> futureResult = new CompletableFuture<>();
-        synchronized (writing) {
-            if (writing.getAndSet(true)) {
-                queue.add(new QueueEntry(futureResult, packet));
-                return futureResult;
-            }
-        }
-        ByteBuffer[] buffers = packet.sendBuffers != null ? packet.duplicateSendBuffers() : packet.encode(this.context.getBufferSupplier(), this.context.getBufferConsumer(), webSocket._engine.cryptor);
-        if (debug) context.getLogger().log(Level.FINEST, "sending websocket message:  " + packet);
         try {
+            synchronized (writing) {
+                if (writing.getAndSet(true)) {
+                    writeQueue.add(new QueueEntry(futureResult, packet));
+                    return futureResult;
+                }
+            }
+            ByteBuffer[] buffers = packet.sendBuffers != null ? packet.duplicateSendBuffers() : packet.encode(this.context.getBufferSupplier(), this.context.getBufferConsumer(), webSocket._engine.cryptor);
+            //if (debug) context.getLogger().log(Level.FINEST, "wsrunner.sending websocket message:  " + packet);
+
             this.lastSendTime = System.currentTimeMillis();
             channel.write(buffers, buffers, new CompletionHandler<Integer, ByteBuffer[]>() {
 
@@ -256,7 +264,7 @@ class WebSocketRunner implements Runnable {
                                 break;
                             }
                         }
-                        if (index >= 0) {
+                        if (index >= 0) { //ByteBuffer[]统一回收的可以采用此写法
                             channel.write(attachments, index, attachments.length - index, attachments, this);
                             return;
                         }
@@ -271,37 +279,40 @@ class WebSocketRunner implements Runnable {
                         }
                         QueueEntry entry = null;
                         synchronized (writing) {
-                            entry = queue.poll();
+                            entry = writeQueue.poll();
                             if (entry == null) writing.set(false);
                         }
                         if (entry != null) {
                             future = entry.future;
                             ByteBuffer[] buffers = entry.packet.sendBuffers != null ? entry.packet.duplicateSendBuffers() : entry.packet.encode(context.getBufferSupplier(), context.getBufferConsumer(), webSocket._engine.cryptor);
                             lastSendTime = System.currentTimeMillis();
-                            if (debug) context.getLogger().log(Level.FINEST, "sending websocket message:  " + entry.packet);
+                            //if (debug) context.getLogger().log(Level.FINEST, "wsrunner.sending websocket message:  " + entry.packet);
                             channel.write(buffers, buffers, this);
                         }
                     } catch (Exception e) {
-                        context.getLogger().log(Level.WARNING, "WebSocket sendMessage abort on rewrite, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", e);
+                        future.complete(RETCODE_SENDEXCEPTION);
                         closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on rewrite");
+                        context.getLogger().log(Level.WARNING, "WebSocket sendMessage abort on rewrite, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", e);
                     }
                 }
 
                 @Override
                 public void failed(Throwable exc, ByteBuffer[] attachments) {
                     writing.set(false);
+                    future.complete(RETCODE_SENDEXCEPTION);
+                    closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on CompletionHandler");
                     if (exc != null) {
                         context.getLogger().log(Level.FINE, "WebSocket sendMessage on CompletionHandler failed, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", exc);
                     }
-                    closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on CompletionHandler");
 
                 }
             });
         } catch (Exception t) {
             writing.set(false);
-            context.getLogger().log(Level.FINE, "WebSocket sendMessage abort, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", t);
-            closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on channel.write");
             futureResult.complete(RETCODE_SENDEXCEPTION);
+            closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on channel.write");
+            context.getLogger().log(Level.FINE, "WebSocket sendMessage abort, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", t);
+
         }
         return futureResult;
     }
@@ -315,14 +326,16 @@ class WebSocketRunner implements Runnable {
         synchronized (this) {
             if (closed) return;
             closed = true;
-            try {
-                channel.close();
-            } catch (Throwable t) {
-            }
+            channel.dispose();
             context.offerBuffer(readBuffer);
             readBuffer = null;
-            engine.remove(webSocket);
+            engine.removeThenClose(webSocket);
             webSocket.onClose(code, reason);
+            QueueEntry entry = writeQueue.poll();
+            while (entry != null) {
+                entry.future.complete(RETCODE_WSOCKET_CLOSED);
+                entry = writeQueue.poll();
+            }
         }
     }
 

src/org/redkale/net/http/WebSocketServlet.java

@@ -13,7 +13,7 @@ import java.nio.channels.CompletionHandler;
 import java.security.*;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
-import java.util.function.BiConsumer;
+import java.util.function.*;
 import java.util.logging.*;
 import javax.annotation.*;
 import org.redkale.convert.Convert;
@@ -50,6 +50,9 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
     @Comment("WebScoket服务器最大连接数，为0表示无限制")
     public static final String WEBPARAM__WSMAXCONNS = "wsmaxconns";
 
+    @Comment("WebScoket服务器操作WebSocketNode对应CacheSource并发数, 为-1表示无限制，为0表示系统默认值(CPU*8)")
+    public static final String WEBPARAM__WSTHREADS = "wsthreads";
+
     @Comment("最大消息体长度, 小于1表示无限制")
     public static final String WEBPARAM__WSMAXBODY = "wsmaxbody";
 
@@ -76,6 +79,9 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
     //同RestWebSocket.wsmaxconns
     protected int wsmaxconns = 0;
 
+    //同RestWebSocket.wsthreads
+    protected int wsthreads = 0;
+
     //同RestWebSocket.wsmaxbody
     protected int wsmaxbody = 32 * 1024;
 
@@ -147,7 +153,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
         }
         //存在WebSocketServlet，则此WebSocketNode必须是本地模式Service
         this.node.localEngine = new WebSocketEngine("WebSocketEngine-" + addr.getHostString() + ":" + addr.getPort() + "-[" + resourceName() + "]",
-            this.single, context, liveinterval, wsmaxconns, wsmaxbody, this.cryptor, this.node, this.sendConvert, logger);
+            this.single, context, liveinterval, wsmaxconns, wsthreads, wsmaxbody, this.cryptor, this.node, this.sendConvert, logger);
         this.node.init(conf);
         this.node.localEngine.init(conf);
 
@@ -241,12 +247,37 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
                                 webSocket._userid = userid;
                                 if (single && !anyuser) {
                                     WebSocketServlet.this.node.existsWebSocket(userid).whenComplete((rs, nex) -> {
-                                        if (rs) webSocket.onSingleRepeatConnect();
-                                        WebSocketServlet.this.node.localEngine.add(webSocket);
-                                        WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
-                                        webSocket._runner = runner;
-                                        context.runAsync(runner);
-                                        response.finish(true);
+                                        if (rs) {
+                                            CompletableFuture<Boolean> rcFuture = webSocket.onSingleRepeatConnect();
+                                            Consumer<Boolean> task = (oldkilled) -> {
+                                                if (oldkilled) {
+                                                    WebSocketServlet.this.node.localEngine.add(webSocket);
+                                                    WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
+                                                    webSocket._runner = runner;
+                                                    context.runAsync(runner);
+                                                    response.finish(true);
+                                                } else { //关闭新连接
+                                                    response.finish(true);
+                                                }
+                                            };
+                                            if (rcFuture == null) {
+                                                task.accept(false);
+                                            } else {
+                                                rcFuture.whenComplete((r, e) -> {
+                                                    if (e != null) {
+                                                        response.finish(true);
+                                                    } else {
+                                                        task.accept(r);
+                                                    }
+                                                });
+                                            }
+                                        } else {
+                                            WebSocketServlet.this.node.localEngine.add(webSocket);
+                                            WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
+                                            webSocket._runner = runner;
+                                            context.runAsync(runner);
+                                            response.finish(true);
+                                        }
                                     });
                                 } else {
                                     WebSocketServlet.this.node.localEngine.add(webSocket);

src/org/redkale/net/sncp/SncpClient.java

@@ -296,7 +296,7 @@ public final class SncpClient {
         if (action.handlerFuncParamIndex >= 0) params[action.handlerFuncParamIndex] = null;
         final BsonReader reader = bsonConvert.pollBsonReader();
         CompletableFuture<byte[]> future = remote0(handlerFunc, remoteGroupTransport, null, action, params);
-        if (action.boolReturnTypeFuture) {
+        if (action.boolReturnTypeFuture) { //与handlerFuncIndex互斥
             CompletableFuture result = action.futureCreator.create();
             future.whenComplete((v, e) -> {
                 try {
@@ -355,7 +355,12 @@ public final class SncpClient {
         CompletableFuture<AsyncConnection> connFuture = transport.pollConnection(addr);
         return connFuture.thenCompose(conn0 -> {
             final CompletableFuture<byte[]> future = new CompletableFuture();
-            if (conn0 == null || !conn0.isOpen()) {
+            if (conn0 == null) {
+                future.completeExceptionally(new RuntimeException("sncp " + (conn0 == null ? addr : conn0.getRemoteAddress()) + " cannot connect"));
+                return future;
+            }
+            if (!conn0.isOpen()) {
+                conn0.dispose();
                 future.completeExceptionally(new RuntimeException("sncp " + (conn0 == null ? addr : conn0.getRemoteAddress()) + " cannot connect"));
                 return future;
             }
@@ -377,7 +382,7 @@ public final class SncpClient {
                             transport.offerBuffer(attachments[i]);
                         }
                     }
-                    if (index == 0) {
+                    if (index == 0) { //ByteBuffer[]不统一回收的必须采用此写法分开
                         conn.write(attachments, attachments, this);
                         return;
                     } else if (index > 0) {
@@ -396,48 +401,58 @@ public final class SncpClient {
 
                         @Override
                         public void completed(Integer count, Void attachment2) {
-                            if (count < 1 && buffer.remaining() == buffer.limit()) {   //没有数据可读
-                                future.completeExceptionally(new RuntimeException(action.method + " sncp[" + conn.getRemoteAddress() + "] remote no response data"));
-                                transport.offerBuffer(buffer);
-                                transport.offerConnection(true, conn);
-                                return;
-                            }
-                            if (received < 1 && buffer.limit() < buffer.remaining() + HEADER_SIZE) { //header都没读全
-                                conn.read(buffer, attachment2, this);
-                                return;
-                            }
-                            buffer.flip();
-                            if (received > 0) {
-                                int offset = this.received;
-                                this.received += buffer.remaining();
-                                buffer.get(body, offset, Math.min(buffer.remaining(), this.body.length - offset));
-                                if (this.received < this.body.length) {// 数据仍然不全，需要继续读取          
+                            try {
+                                if (count < 1 && buffer.remaining() == buffer.limit()) {   //没有数据可读
+                                    future.completeExceptionally(new RuntimeException(action.method + " sncp[" + conn.getRemoteAddress() + "] remote no response data"));
+                                    transport.offerBuffer(buffer);
+                                    transport.offerConnection(true, conn);
+                                    return;
+                                }
+                                if (received < 1 && buffer.limit() < buffer.remaining() + HEADER_SIZE) { //header都没读全
+                                    conn.read(buffer, attachment2, this);
+                                    return;
+                                }
+                                buffer.flip();
+                                if (received > 0) {
+                                    int offset = this.received;
+                                    this.received += buffer.remaining();
+                                    buffer.get(body, offset, Math.min(buffer.remaining(), this.body.length - offset));
+                                    if (this.received < this.body.length) {// 数据仍然不全，需要继续读取          
+                                        buffer.clear();
+                                        conn.read(buffer, attachment2, this);
+                                    } else {
+                                        success();
+                                    }
+                                    return;
+                                }
+                                checkResult(seqid, action, buffer);
+
+                                final int respBodyLength = buffer.getInt();
+                                final int retcode = buffer.getInt();
+                                if (retcode != 0) {
+                                    logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + ")");
+                                    throw new RuntimeException("remote service(" + action.method + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + ")");
+                                }
+
+                                if (respBodyLength > buffer.remaining()) { // 数据不全，需要继续读取
+                                    this.body = new byte[respBodyLength];
+                                    this.received = buffer.remaining();
+                                    buffer.get(body, 0, this.received);
                                     buffer.clear();
                                     conn.read(buffer, attachment2, this);
                                 } else {
+                                    this.body = new byte[respBodyLength];
+                                    buffer.get(body, 0, respBodyLength);
                                     success();
                                 }
-                                return;
-                            }
-                            checkResult(seqid, action, buffer);
-
-                            final int respBodyLength = buffer.getInt();
-                            final int retcode = buffer.getInt();
-                            if (retcode != 0) {
-                                logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + ")");
-                                throw new RuntimeException("remote service(" + action.method + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + ")");
-                            }
-
-                            if (respBodyLength > buffer.remaining()) { // 数据不全，需要继续读取
-                                this.body = new byte[respBodyLength];
-                                this.received = buffer.remaining();
-                                buffer.get(body, 0, this.received);
-                                buffer.clear();
-                                conn.read(buffer, attachment2, this);
-                            } else {
-                                this.body = new byte[respBodyLength];
-                                buffer.get(body, 0, respBodyLength);
-                                success();
+                            } catch (Throwable e) {
+                                future.completeExceptionally(new RuntimeException(action.method + " sncp[" + conn.getRemoteAddress() + "] remote response error"));
+                                transport.offerConnection(true, conn);
+                                if (handler != null) {
+                                    final Object handlerAttach = action.handlerAttachParamIndex >= 0 ? params[action.handlerAttachParamIndex] : null;
+                                    handler.failed(e, handlerAttach);
+                                }
+                                logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") deal error", e);
                             }
                         }
 
@@ -468,7 +483,6 @@ public final class SncpClient {
 
                         @Override
                         public void failed(Throwable exc, Void attachment2) {
-                            logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") remote read exec failed", exc);
                             future.completeExceptionally(new RuntimeException(action.method + " sncp remote exec failed"));
                             transport.offerBuffer(buffer);
                             transport.offerConnection(true, conn);
@@ -476,15 +490,21 @@ public final class SncpClient {
                                 final Object handlerAttach = action.handlerAttachParamIndex >= 0 ? params[action.handlerAttachParamIndex] : null;
                                 handler.failed(exc, handlerAttach);
                             }
+                            logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") remote read exec failed", exc);
                         }
                     });
                 }
 
                 @Override
                 public void failed(Throwable exc, ByteBuffer[] attachment) {
-                    logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") remote write exec failed", exc);
+                    future.completeExceptionally(new RuntimeException(action.method + " sncp remote exec failed"));
                     transport.offerBuffer(buffer);
                     transport.offerConnection(true, conn);
+                    if (handler != null) {
+                        final Object handlerAttach = action.handlerAttachParamIndex >= 0 ? params[action.handlerAttachParamIndex] : null;
+                        handler.failed(exc, handlerAttach);
+                    }
+                    logger.log(Level.SEVERE, action.method + " sncp (params: " + convert.convertTo(params) + ") remote write exec failed", exc);
                 }
             });
             return future;

src/org/redkale/net/sncp/SncpContext.java

@@ -5,14 +5,9 @@
  */
 package org.redkale.net.sncp;
 
-import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
-import java.nio.charset.Charset;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.logging.Logger;
-import javax.net.ssl.SSLContext;
+import java.util.function.*;
 import org.redkale.net.*;
-import org.redkale.util.*;
 
 /**
  * <p>
@@ -22,11 +17,26 @@ import org.redkale.util.*;
  */
 public class SncpContext extends Context {
 
-    public SncpContext(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
-        int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
-        int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
-        PrepareServlet prepare, int readTimeoutSecond, int writeTimeoutSecond) {
-        super(serverStartTime, logger, executor, sslContext, bufferCapacity, bufferPool, responsePool,
-            maxbody, charset, address, resourceFactory, prepare, readTimeoutSecond, writeTimeoutSecond);
+    public SncpContext(SncpContextConfig config) {
+        super(config);
+    }
+
+    @Override
+    protected Consumer<ByteBuffer> getBufferConsumer() {
+        return super.getBufferConsumer();
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer buffer) {
+        super.offerBuffer(buffer);
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer... buffers) {
+        super.offerBuffer(buffers);
+    }
+
+    public static class SncpContextConfig extends ContextConfig {
+
     }
 }

src/org/redkale/net/sncp/SncpDynServlet.java

@@ -149,7 +149,7 @@ public final class SncpDynServlet extends SncpServlet {
                         Object[] sncpParams = handler.sncp_getParams();
                         future.whenComplete((v, e) -> {
                             if (e != null) {
-                                response.getContext().getLogger().log(Level.INFO, "sncp CompleteAsync error(" + request + ")", e);
+                                response.getContext().getLogger().log(Level.SEVERE, "sncp CompleteAsync error(" + request + ")", e);
                                 response.finish(SncpResponse.RETCODE_THROWEXCEPTION, null);
                                 return;
                             }
@@ -162,7 +162,7 @@ public final class SncpDynServlet extends SncpServlet {
                     }
                 }
             } catch (Throwable t) {
-                response.getContext().getLogger().log(Level.INFO, "sncp execute error(" + request + ")", t);
+                response.getContext().getLogger().log(Level.SEVERE, "sncp execute error(" + request + ")", t);
                 response.finish(SncpResponse.RETCODE_THROWEXCEPTION, null);
             }
         }

src/org/redkale/net/sncp/SncpResponse.java

@@ -52,6 +52,11 @@ public final class SncpResponse extends Response<SncpContext, SncpRequest> {
         if (this.addrBytes.length != 4) throw new RuntimeException("SNCP serverAddress only support IPv4");
     }
 
+    @Override
+    protected void offerBuffer(ByteBuffer... buffers) {
+        super.offerBuffer(buffers);
+    }
+    
     public void finish(final int retcode, final BsonWriter out) {
         if (out == null) {
             final ByteBuffer buffer = pollWriteReadBuffer();

src/org/redkale/net/sncp/SncpServer.java

@@ -10,6 +10,7 @@ import java.util.*;
 import java.util.concurrent.atomic.*;
 import org.redkale.convert.bson.*;
 import org.redkale.net.*;
+import org.redkale.net.sncp.SncpContext.SncpContextConfig;
 import org.redkale.service.Service;
 import org.redkale.util.*;
 
@@ -106,8 +107,26 @@ public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResp
         AtomicLong createResponseCounter = new AtomicLong();
         AtomicLong cycleResponseCounter = new AtomicLong();
         ObjectPool<Response> responsePool = SncpResponse.createPool(createResponseCounter, cycleResponseCounter, this.responsePoolSize, null);
-        SncpContext sncpcontext = new SncpContext(this.serverStartTime, this.logger, executor, this.sslContext, rcapacity, bufferPool, responsePool,
-            this.maxbody, this.charset, this.address, this.resourceFactory, this.prepare, this.readTimeoutSecond, this.writeTimeoutSecond);
+
+        final SncpContextConfig contextConfig = new SncpContextConfig();
+        contextConfig.serverStartTime = this.serverStartTime;
+        contextConfig.logger = this.logger;
+        contextConfig.executor = this.executor;
+        contextConfig.sslContext = this.sslContext;
+        contextConfig.bufferCapacity = rcapacity;
+        contextConfig.bufferPool = bufferPool;
+        contextConfig.responsePool = responsePool;
+        contextConfig.maxconns = this.maxconns;
+        contextConfig.maxbody = this.maxbody;
+        contextConfig.charset = this.charset;
+        contextConfig.address = this.address;
+        contextConfig.prepare = this.prepare;
+        contextConfig.resourceFactory = this.resourceFactory;
+        contextConfig.aliveTimeoutSeconds = this.aliveTimeoutSeconds;
+        contextConfig.readTimeoutSeconds = this.readTimeoutSeconds;
+        contextConfig.writeTimeoutSeconds = this.writeTimeoutSeconds;
+
+        SncpContext sncpcontext = new SncpContext(contextConfig);
         responsePool.setCreator((Object... params) -> new SncpResponse(sncpcontext, new SncpRequest(sncpcontext)));
         return sncpcontext;
     }

src/org/redkale/service/RetLabel.java

@@ -6,8 +6,9 @@
 package org.redkale.service;
 
 import java.lang.annotation.*;
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
 import java.lang.reflect.*;
-import java.text.MessageFormat;
 import java.util.*;
 
 /**
@@ -23,61 +24,28 @@ import java.util.*;
  */
 @Inherited
 @Documented
-@Target(value = {ElementType.FIELD})
-@Retention(value = RetentionPolicy.RUNTIME)
+@Target({FIELD})
+@Retention(RUNTIME)
+@Repeatable(RetLabel.RetLabels.class)
 public @interface RetLabel {
 
     String value();
 
-    public static class RetCode {
+    String locale() default "";
 
-        protected final Map<Integer, String> rets = new HashMap();
+    @Inherited
+    @Documented
+    @Target({FIELD})
+    @Retention(RUNTIME)
+    @interface RetLabels {
 
-        protected final Class clazz;
-
-        protected boolean inited;
-
-        public RetCode(Class clazz) {
-            this.clazz = clazz;
-        }
-
-        public RetResult retResult(int retcode) {
-            if (retcode == 0) return RetResult.success();
-            return new RetResult(retcode, retInfo(retcode));
-        }
-
-        public RetResult retResult(int retcode, Object... args) {
-            if (retcode == 0) return RetResult.success();
-            if (args == null || args.length < 1) return new RetResult(retcode, retInfo(retcode));
-            String info = MessageFormat.format(retInfo(retcode), args);
-            return new RetResult(retcode, info);
-        }
-
-        public RetResult set(RetResult result, int retcode, Object... args) {
-            if (retcode == 0) return result.retcode(0).retinfo("");
-            if (args == null || args.length < 1) return result.retcode(retcode).retinfo(retInfo(retcode));
-            String info = MessageFormat.format(retInfo(retcode), args);
-            return result.retcode(retcode).retinfo(info);
-        }
-
-        public String retInfo(int retcode) {
-            if (retcode == 0) return "成功";
-            if (!this.inited) {
-                synchronized (this) {
-                    if (!this.inited) {
-                        rets.putAll(RetLoader.load(clazz));
-                    }
-                    this.inited = true;
-                }
-            }
-            return rets.getOrDefault(retcode, "未知错误");
-        }
+        RetLabel[] value();
     }
 
     public static abstract class RetLoader {
 
-        public static Map<Integer, String> load(Class clazz) {
-            final Map<Integer, String> rets = new HashMap<>();
+        public static Map<String, Map<Integer, String>> loadMap(Class clazz) {
+            final Map<String, Map<Integer, String>> rets = new HashMap<>();
             for (Field field : clazz.getFields()) {
                 if (!Modifier.isStatic(field.getModifiers())) continue;
                 if (field.getType() != int.class) continue;
@@ -90,9 +58,14 @@ public @interface RetLabel {
                     ex.printStackTrace();
                     continue;
                 }
-                rets.put(value, info.value());
+                rets.computeIfAbsent(info.locale(), (k) -> new HashMap<>()).put(value, info.value());
             }
             return rets;
         }
+
+        @Deprecated
+        public static Map<Integer, String> load(Class clazz) {
+            return loadMap(clazz).computeIfAbsent("", (k) -> new HashMap<>());
+        }
     }
 }

src/org/redkale/service/WebSocketNodeService.java

@@ -47,7 +47,7 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
             executor = ((WorkThread) thread).getExecutor();
         }
         if (executor == null) executor = ForkJoinPool.commonPool();
-        
+
         return CompletableFuture.supplyAsync(() -> {
             final List<String> rs = new ArrayList<>();
             this.localEngine.getLocalWebSockets(groupid).forEach(x -> rs.add(x.getRemoteAddr()));
@@ -77,9 +77,10 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
      */
     @Override
     public CompletableFuture<Void> connect(Serializable userid, InetSocketAddress sncpAddr) {
+        tryAcquireSemaphore();
         CompletableFuture<Void> future = sncpNodeAddresses.appendSetItemAsync(SOURCE_SNCP_USERID_PREFIX + userid, sncpAddr);
-        future = future.thenAccept((a) -> sncpNodeAddresses.incr(SOURCE_SNCP_USERCOUNT_KEY));
         future = future.thenAccept((a) -> sncpNodeAddresses.appendSetItemAsync(SOURCE_SNCP_ADDRS_KEY, sncpAddr));
+        if (semaphore != null) future.whenComplete((r, e) -> releaseSemaphore());
         if (logger.isLoggable(Level.FINEST)) logger.finest(WebSocketNodeService.class.getSimpleName() + ".event: " + userid + " connect from " + sncpAddr);
         return future;
     }
@@ -94,8 +95,9 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
      */
     @Override
     public CompletableFuture<Void> disconnect(Serializable userid, InetSocketAddress sncpAddr) {
+        tryAcquireSemaphore();
         CompletableFuture<Void> future = sncpNodeAddresses.removeSetItemAsync(SOURCE_SNCP_USERID_PREFIX + userid, sncpAddr);
-        future = future.thenAccept((a) -> sncpNodeAddresses.decr(SOURCE_SNCP_USERCOUNT_KEY));
+        if (semaphore != null) future.whenComplete((r, e) -> releaseSemaphore());
         if (logger.isLoggable(Level.FINEST)) logger.finest(WebSocketNodeService.class.getSimpleName() + ".event: " + userid + " disconnect from " + sncpAddr);
         return future;
     }
@@ -111,8 +113,10 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
      */
     @Override
     public CompletableFuture<Void> changeUserid(Serializable olduserid, Serializable newuserid, InetSocketAddress sncpAddr) {
+        tryAcquireSemaphore();
         CompletableFuture<Void> future = sncpNodeAddresses.appendSetItemAsync(SOURCE_SNCP_USERID_PREFIX + newuserid, sncpAddr);
         future = future.thenAccept((a) -> sncpNodeAddresses.removeSetItemAsync(SOURCE_SNCP_USERID_PREFIX + olduserid, sncpAddr));
+        if (semaphore != null) future.whenComplete((r, e) -> releaseSemaphore());
         if (logger.isLoggable(Level.FINEST)) logger.finest(WebSocketNodeService.class.getSimpleName() + ".event: " + olduserid + " changeUserid to " + newuserid + " from " + sncpAddr);
         return future;
     }

src/org/redkale/source/CacheMemorySource.java

@@ -10,7 +10,7 @@ import java.lang.reflect.Type;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
-import java.util.function.Consumer;
+import java.util.function.*;
 import java.util.logging.*;
 import javax.annotation.Resource;
 import org.redkale.convert.json.*;
@@ -63,6 +63,10 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
 
     protected final ConcurrentHashMap<String, CacheEntry<Object>> container = new ConcurrentHashMap<>();
 
+    protected final BiConsumer futureCompleteConsumer = (r, t) -> {
+        if (t != null) logger.log(Level.SEVERE, "CompletableFuture complete error", (Throwable) t);
+    };
+
     @RpcRemote
     protected CacheSource<V> remoteSource;
 
@@ -119,16 +123,20 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
             });
             final List<String> keys = new ArrayList<>();
             scheduler.scheduleWithFixedDelay(() -> {
-                keys.clear();
-                int now = (int) (System.currentTimeMillis() / 1000);
-                container.forEach((k, x) -> {
-                    if (x.expireSeconds > 0 && (now > (x.lastAccessed + x.expireSeconds))) {
-                        keys.add(x.key);
+                try {
+                    keys.clear();
+                    int now = (int) (System.currentTimeMillis() / 1000);
+                    container.forEach((k, x) -> {
+                        if (x.expireSeconds > 0 && (now > (x.lastAccessed + x.expireSeconds))) {
+                            keys.add(x.key);
+                        }
+                    });
+                    for (String key : keys) {
+                        CacheEntry entry = container.remove(key);
+                        if (expireHandler != null && entry != null) expireHandler.accept(entry);
                     }
-                });
-                for (String key : keys) {
-                    CacheEntry entry = container.remove(key);
-                    if (expireHandler != null && entry != null) expireHandler.accept(entry);
+                } catch (Throwable t) {
+                    logger.log(Level.SEVERE, "CacheMemorySource schedule(interval=" + 10 + "s) error", t);
                 }
             }, 10, 10, TimeUnit.SECONDS);
             if (logger.isLoggable(Level.FINEST)) logger.finest(self.getClass().getSimpleName() + ":" + self.resourceName() + " start schedule expire executor");
@@ -432,7 +440,7 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> refreshAsync(final String key, final int expireSeconds) {
-        return CompletableFuture.runAsync(() -> refresh(key, expireSeconds), getExecutor());
+        return CompletableFuture.runAsync(() -> refresh(key, expireSeconds), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     protected void set(CacheEntryType cacheType, String key, Object value) {
@@ -469,19 +477,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setAsync(String key, V value) {
-        return CompletableFuture.runAsync(() -> set(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> set(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setStringAsync(String key, String value) {
-        return CompletableFuture.runAsync(() -> setString(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> setString(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setLongAsync(String key, long value) {
-        return CompletableFuture.runAsync(() -> setLong(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> setLong(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     protected void set(CacheEntryType cacheType, int expireSeconds, String key, Object value) {
@@ -518,19 +526,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setAsync(int expireSeconds, String key, V value) {
-        return CompletableFuture.runAsync(() -> set(expireSeconds, key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> set(expireSeconds, key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setStringAsync(int expireSeconds, String key, String value) {
-        return CompletableFuture.runAsync(() -> setString(expireSeconds, key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> setString(expireSeconds, key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setLongAsync(int expireSeconds, String key, long value) {
-        return CompletableFuture.runAsync(() -> setLong(expireSeconds, key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> setLong(expireSeconds, key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -545,7 +553,7 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> setExpireSecondsAsync(final String key, final int expireSeconds) {
-        return CompletableFuture.runAsync(() -> setExpireSeconds(key, expireSeconds), getExecutor());
+        return CompletableFuture.runAsync(() -> setExpireSeconds(key, expireSeconds), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -564,7 +572,7 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Long> incrAsync(final String key) {
-        return CompletableFuture.supplyAsync(() -> incr(key), getExecutor());
+        return CompletableFuture.supplyAsync(() -> incr(key), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -586,7 +594,7 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Long> incrAsync(final String key, long num) {
-        return CompletableFuture.supplyAsync(() -> incr(key, num), getExecutor());
+        return CompletableFuture.supplyAsync(() -> incr(key, num), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -598,7 +606,7 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Long> decrAsync(final String key) {
-        return CompletableFuture.supplyAsync(() -> decr(key), getExecutor());
+        return CompletableFuture.supplyAsync(() -> decr(key), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -610,13 +618,13 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Long> decrAsync(final String key, long num) {
-        return CompletableFuture.supplyAsync(() -> decr(key, num), getExecutor());
+        return CompletableFuture.supplyAsync(() -> decr(key, num), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeAsync(final String key) {
-        return CompletableFuture.runAsync(() -> remove(key), getExecutor());
+        return CompletableFuture.runAsync(() -> remove(key), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -764,19 +772,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendListItemAsync(final String key, final V value) {
-        return CompletableFuture.runAsync(() -> appendListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendStringListItemAsync(final String key, final String value) {
-        return CompletableFuture.runAsync(() -> appendStringListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendStringListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendLongListItemAsync(final String key, final long value) {
-        return CompletableFuture.runAsync(() -> appendLongListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendLongListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -809,19 +817,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeListItemAsync(final String key, final V value) {
-        return CompletableFuture.runAsync(() -> removeListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeStringListItemAsync(final String key, final String value) {
-        return CompletableFuture.runAsync(() -> removeStringListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeStringListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeLongListItemAsync(final String key, final long value) {
-        return CompletableFuture.runAsync(() -> removeLongListItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeLongListItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     protected void appendSetItem(CacheEntryType cacheType, String key, Object value) {
@@ -859,19 +867,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendSetItemAsync(final String key, final V value) {
-        return CompletableFuture.runAsync(() -> appendSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendStringSetItemAsync(final String key, final String value) {
-        return CompletableFuture.runAsync(() -> appendStringSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendStringSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> appendLongSetItemAsync(final String key, final long value) {
-        return CompletableFuture.runAsync(() -> appendLongSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> appendLongSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -904,19 +912,19 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeSetItemAsync(final String key, final V value) {
-        return CompletableFuture.runAsync(() -> removeSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeStringSetItemAsync(final String key, final String value) {
-        return CompletableFuture.runAsync(() -> removeStringSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeStringSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
     @RpcMultiRun
     public CompletableFuture<Void> removeLongSetItemAsync(final String key, final long value) {
-        return CompletableFuture.runAsync(() -> removeLongSetItem(key, value), getExecutor());
+        return CompletableFuture.runAsync(() -> removeLongSetItem(key, value), getExecutor()).whenComplete(futureCompleteConsumer);
     }
 
     @Override
@@ -924,6 +932,22 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
         return new ArrayList<>(container.keySet());
     }
 
+    @Override
+    public List<String> queryKeysStartsWith(String startsWith) {
+        if (startsWith == null) return queryKeys();
+        List<String> rs = new ArrayList<>();
+        container.keySet().stream().filter(x -> x.startsWith(startsWith)).forEach(x -> rs.add(x));
+        return rs;
+    }
+
+    @Override
+    public List<String> queryKeysEndsWith(String endsWith) {
+        if (endsWith == null) return queryKeys();
+        List<String> rs = new ArrayList<>();
+        container.keySet().stream().filter(x -> x.endsWith(endsWith)).forEach(x -> rs.add(x));
+        return rs;
+    }
+
     @Override
     public int getKeySize() {
         return container.size();
@@ -944,6 +968,16 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
         return CompletableFuture.completedFuture(new ArrayList<>(container.keySet()));
     }
 
+    @Override
+    public CompletableFuture<List<String>> queryKeysStartsWithAsync(String startsWith) {
+        return CompletableFuture.completedFuture(queryKeysStartsWith(startsWith));
+    }
+
+    @Override
+    public CompletableFuture<List<String>> queryKeysEndsWithAsync(String endsWith) {
+        return CompletableFuture.completedFuture(queryKeysEndsWith(endsWith));
+    }
+
     @Override
     public CompletableFuture<Integer> getKeySizeAsync() {
         return CompletableFuture.completedFuture(container.size());

src/org/redkale/source/CacheSource.java

@@ -98,6 +98,10 @@ public interface CacheSource<V extends Object> {
 
     public List<String> queryKeys();
 
+    public List<String> queryKeysStartsWith(String startsWith);
+
+    public List<String> queryKeysEndsWith(String endsWith);
+
     public int getKeySize();
 
     public List<CacheEntry<Object>> queryList();
@@ -215,6 +219,10 @@ public interface CacheSource<V extends Object> {
 
     public CompletableFuture<List<String>> queryKeysAsync();
 
+    public CompletableFuture<List<String>> queryKeysStartsWithAsync(String startsWith);
+
+    public CompletableFuture<List<String>> queryKeysEndsWithAsync(String endsWith);
+
     public CompletableFuture<Integer> getKeySizeAsync();
 
     public CompletableFuture<List<CacheEntry< Object>>> queryListAsync();

src/org/redkale/source/DataSource.java

@@ -33,26 +33,28 @@ public interface DataSource {
 
     //----------------------insertAsync-----------------------------
     /**
-     * 新增记录， 多对象必须是同一个Entity类  <br>
+     * 新增记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      *
      * @param <T>    泛型
      * @param values Entity对象
+     * 
+     * @return 影响的记录条数
      */
-    public <T> void insert(final T... values);
+    public <T> int insert(final T... values);
 
     /**
-     * 新增记录， 多对象必须是同一个Entity类  <br>
+     * 新增记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      *
      * @param <T>    泛型
      * @param values Entity对象
      *
      * @return CompletableFuture
      */
-    public <T> CompletableFuture<Void> insertAsync(final T... values);
+    public <T> CompletableFuture<Integer> insertAsync(final T... values);
 
     //-------------------------deleteAsync--------------------------
     /**
-     * 删除指定主键值的记录， 多对象必须是同一个Entity类  <br>
+     * 删除指定主键值的记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      * 等价SQL: DELETE FROM {table} WHERE {primary} IN {values.id}  <br>
      *
      * @param <T>    泛型
@@ -63,7 +65,7 @@ public interface DataSource {
     public <T> int delete(final T... values);
 
     /**
-     * 删除指定主键值的记录， 多对象必须是同一个Entity类  <br>
+     * 删除指定主键值的记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      * 等价SQL: DELETE FROM {table} WHERE {primary} IN {values.id}  <br>
      *
      * @param <T>    泛型
@@ -74,7 +76,7 @@ public interface DataSource {
     public <T> CompletableFuture<Integer> deleteAsync(final T... values);
 
     /**
-     * 删除指定主键值的记录  <br>
+     * 删除指定主键值的记录,多主键值必须在同一张表中  <br>
      * 等价SQL: DELETE FROM {table} WHERE {primary} IN {ids}  <br>
      *
      * @param <T>   Entity泛型
@@ -86,7 +88,7 @@ public interface DataSource {
     public <T> int delete(final Class<T> clazz, final Serializable... ids);
 
     /**
-     * 删除指定主键值的记录  <br>
+     * 删除指定主键值的记录,多主键值必须在同一张表中  <br>
      * 等价SQL: DELETE FROM {table} WHERE {primary} IN {ids}  <br>
      *
      * @param <T>   Entity泛型
@@ -151,7 +153,7 @@ public interface DataSource {
 
     //------------------------updateAsync---------------------------
     /**
-     * 更新记录， 多对象必须是同一个Entity类  <br>
+     * 更新记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      * 等价SQL:  <br>
      * UPDATE {table} SET column1 = value1, column2 = value2, &#183;&#183;&#183; WHERE {primary} = {id1}  <br>
      * UPDATE {table} SET column1 = value1, column2 = value2, &#183;&#183;&#183; WHERE {primary} = {id2}  <br>
@@ -165,7 +167,7 @@ public interface DataSource {
     public <T> int update(final T... values);
 
     /**
-     * 更新记录， 多对象必须是同一个Entity类  <br>
+     * 更新记录， 多对象必须是同一个Entity类且必须在同一张表中  <br>
      * 等价SQL:  <br>
      * UPDATE {table} SET column1 = value1, column2 = value2, &#183;&#183;&#183; WHERE {primary} = {id1}  <br>
      * UPDATE {table} SET column1 = value1, column2 = value2, &#183;&#183;&#183; WHERE {primary} = {id2}  <br>

src/org/redkale/source/DataSources.java

@@ -25,6 +25,8 @@ public final class DataSources {
 
     public static final String JDBC_CONNECTIONSMAX = "javax.persistence.connections.limit";
 
+    public static final String JDBC_CONNECTIONSCAPACITY = "javax.persistence.connections.bufcapacity";
+
     public static final String JDBC_CONTAIN_SQLTEMPLATE = "javax.persistence.contain.sqltemplate";
 
     public static final String JDBC_NOTCONTAIN_SQLTEMPLATE = "javax.persistence.notcontain.sqltemplate";
@@ -33,6 +35,12 @@ public final class DataSources {
 
     public static final String JDBC_TABLECOPY_SQLTEMPLATE = "javax.persistence.tablecopy.sqltemplate";
 
+    public static final String JDBC_CONNECTTIMEOUT_SECONDS = "javax.persistence.connecttimeout";
+
+    public static final String JDBC_READTIMEOUT_SECONDS = "javax.persistence.readtimeout";
+
+    public static final String JDBC_WRITETIMEOUT_SECONDS = "javax.persistence.writetimeout";
+
     public static final String JDBC_URL = "javax.persistence.jdbc.url";
 
     public static final String JDBC_USER = "javax.persistence.jdbc.user";
@@ -47,11 +55,11 @@ public final class DataSources {
     }
 
     public static DataSource createDataSource(final String unitName, Properties prop) throws IOException {
-        return new DataJdbcSource(unitName, prop, prop);
+        return new DataJdbcSource(unitName, null, prop, prop);
     }
 
     public static DataSource createDataSource(final String unitName, Properties readprop, Properties writeprop) throws IOException {
-        return new DataJdbcSource(unitName, readprop, writeprop);
+        return new DataJdbcSource(unitName, null, readprop, writeprop);
     }
 
     public static DataSource createDataSource(final String unitName) throws IOException {
@@ -60,9 +68,9 @@ public final class DataSources {
             : new File(System.getProperty(DATASOURCE_CONFPATH)).toURI().toURL());
     }
 
-    public static DataSource createDataSource(final String unitName, URL url) throws IOException {
-        if (url == null) url = DataSources.class.getResource("/persistence.xml");
-        InputStream in = url.openStream();
+    public static DataSource createDataSource(final String unitName, URL persistxml) throws IOException {
+        if (persistxml == null) persistxml = DataSources.class.getResource("/persistence.xml");
+        InputStream in = persistxml.openStream();
         if (in == null) return null;
         Map<String, Properties> map = loadPersistenceXml(in);
         Properties readprop = null;
@@ -94,7 +102,40 @@ public final class DataSources {
         if (readprop == null) throw new IOException("Cannot find (resource.name = '" + unitName + "') DataSource");
         if (writeprop == null) writeprop = readprop;
         String impl = readprop.getProperty(JDBC_DATASOURCE_CLASS, DataJdbcSource.class.getName());
-        if (DataJdbcSource.class.getName().equals(impl)) return new DataJdbcSource(unitName, readprop, writeprop);
+        if (DataJdbcSource.class.getName().equals(impl)) {
+            try {
+                return new DataJdbcSource(unitName, persistxml, readprop, writeprop);
+            } catch (RuntimeException re) {
+                if (!(re.getCause() instanceof ClassNotFoundException)) throw re;
+                String dbtype = null;
+                {
+                    /* jdbc:mysql:// jdbc:microsoft:sqlserver:// 取://之前的到最后一个:之间的字符串 */
+                    String url = readprop.getProperty(JDBC_URL);
+                    int pos = url.indexOf("://");
+                    if (pos > 0) {
+                        String url0 = url.substring(0, pos);
+                        pos = url0.lastIndexOf(':');
+                        if (pos > 0) dbtype = url0.substring(pos + 1);
+                    } else { //jdbc:oracle:thin:@localhost:1521
+                        String url0 = url.substring(url.indexOf(":") + 1);
+                        pos = url0.indexOf(':');
+                        if (pos > 0) dbtype = url0.substring(0, pos);
+                    }
+                }
+                if (dbtype == null) throw re;
+                Iterator<SourceLoader> it = ServiceLoader.load(SourceLoader.class).iterator();
+                Class dsClass = null;
+                while (it.hasNext()) {
+                    SourceLoader loader = it.next();
+                    if (dbtype.equalsIgnoreCase(loader.dbtype())) {
+                        dsClass = loader.dataSourceClass();
+                        if (dsClass != null) break;
+                    }
+                }
+                if (dsClass == null) throw re;
+                impl = dsClass.getName();
+            }
+        }
         try {
             Class ds = Thread.currentThread().getContextClassLoader().loadClass(impl);
             for (Constructor d : ds.getConstructors()) {
@@ -105,9 +146,11 @@ public final class DataSources {
                     return (DataSource) d.newInstance(unitName, readprop);
                 } else if (paramtypes.length == 3 && paramtypes[0] == String.class && paramtypes[1] == Properties.class && paramtypes[2] == Properties.class) {
                     return (DataSource) d.newInstance(unitName, readprop, writeprop);
+                } else if (paramtypes.length == 4 && paramtypes[0] == String.class && paramtypes[1] == URL.class && paramtypes[2] == Properties.class && paramtypes[3] == Properties.class) {
+                    return (DataSource) d.newInstance(unitName, persistxml, readprop, writeprop);
                 }
             }
-            throw new IOException("DataSource impl class (" + impl + ") have no Constructor by (Properties prop) or  (String name, Properties prop) or  (String name, Properties readprop, Propertieswriteprop)");
+            throw new IOException("DataSource impl class (" + impl + ") have no Constructor by (Properties prop) or (String name, Properties prop) or (String name, Properties readprop, Propertieswriteprop) or (String name, URL persistxml, Properties readprop, Propertieswriteprop)");
         } catch (IOException ex) {
             throw ex;
         } catch (Exception e) {

src/org/redkale/source/EntityCache.java

@@ -118,15 +118,19 @@ public final class EntityCache<T> {
                 return t;
             });
             this.scheduler.scheduleAtFixedRate(() -> {
-                ConcurrentHashMap newmap2 = new ConcurrentHashMap();
-                List<T> all2 = info.fullloader.apply(info.source, type);
-                if (all2 != null) {
-                    all2.stream().filter(x -> x != null).forEach(x -> {
-                        newmap2.put(this.primary.get(x), x);
-                    });
+                try {
+                    ConcurrentHashMap newmap2 = new ConcurrentHashMap();
+                    List<T> all2 = info.fullloader.apply(info.source, type);
+                    if (all2 != null) {
+                        all2.stream().filter(x -> x != null).forEach(x -> {
+                            newmap2.put(this.primary.get(x), x);
+                        });
+                    }
+                    this.list = all2 == null ? new ConcurrentLinkedQueue() : new ConcurrentLinkedQueue(all2);
+                    this.map = newmap2;
+                } catch (Throwable t) {
+                    logger.log(Level.SEVERE, type + " schedule(interval=" + interval + "s) Cacheable error", t);
                 }
-                this.list = all2 == null ? new ConcurrentLinkedQueue() : new ConcurrentLinkedQueue(all2);
-                this.map = newmap2;
             }, interval - System.currentTimeMillis() / 1000 % interval, interval, TimeUnit.SECONDS);
         }
     }

src/org/redkale/source/EntityInfo.java

@@ -91,25 +91,49 @@ public final class EntityInfo<T> {
     final DistributeTableStrategy<T> tableStrategy;
 
     //根据主键查找单个对象的SQL， 含 ？
-    final String querySQL;
+    private final String queryPrepareSQL;
+
+    //根据主键查找单个对象的SQL， 含 $
+    private final String queryDollarPrepareSQL;
+
+    //根据主键查找单个对象的SQL， 含 :name
+    private final String queryNamesPrepareSQL;
 
     //数据库中所有字段
     private final Attribute<T, Serializable>[] queryAttributes;
 
     //新增SQL， 含 ？，即排除了自增长主键和标记为&#064;Column(insertable=false)的字段
-    private final String insertSQL;
+    private final String insertPrepareSQL;
+
+    //新增SQL， 含 $，即排除了自增长主键和标记为&#064;Column(insertable=false)的字段    
+    private final String insertDollarPrepareSQL;
+
+    //新增SQL， 含 :name，即排除了自增长主键和标记为&#064;Column(insertable=false)的字段
+    private final String insertNamesPrepareSQL;
 
     //数据库中所有可新增字段
     final Attribute<T, Serializable>[] insertAttributes;
 
     //根据主键更新所有可更新字段的SQL，含 ？
-    private final String updateSQL;
+    private final String updatePrepareSQL;
+
+    //根据主键更新所有可更新字段的SQL，含 $
+    private final String updateDollarPrepareSQL;
+
+    //根据主键更新所有可更新字段的SQL，含 :name
+    private final String updateNamesPrepareSQL;
 
     //数据库中所有可更新字段
     final Attribute<T, Serializable>[] updateAttributes;
 
     //根据主键删除记录的SQL，含 ？
-    private final String deleteSQL;
+    private final String deletePrepareSQL;
+
+    //根据主键删除记录的SQL，含 $
+    private final String deleteDollarPrepareSQL;
+
+    //根据主键删除记录的SQL，含 :name
+    private final String deleteNamesPrepareSQL;
 
     //日志级别，从LogLevel获取
     private final int logLevel;
@@ -133,7 +157,7 @@ public final class EntityInfo<T> {
     /**
      * 加载EntityInfo
      *
-     * @param type           Entity类
+     * @param clazz          Entity类
      * @param cacheForbidden 是否禁用EntityCache
      * @param conf           配置信息, persistence.xml中的property节点值
      * @param source         DataSource,可为null
@@ -312,27 +336,63 @@ public final class EntityInfo<T> {
         }
         if (table != null) {
             StringBuilder insertsb = new StringBuilder();
-            StringBuilder insertsb2 = new StringBuilder();
+            StringBuilder insertsbjdbc = new StringBuilder();
+            StringBuilder insertsbdollar = new StringBuilder();
+            StringBuilder insertsbnames = new StringBuilder();
+            int index = 0;
             for (String col : insertcols) {
-                if (insertsb.length() > 0) insertsb.append(',');
+                if (index > 0) insertsb.append(',');
                 insertsb.append(col);
-                if (insertsb2.length() > 0) insertsb2.append(',');
-                insertsb2.append('?');
+                if (index > 0) {
+                    insertsbjdbc.append(',');
+                    insertsbdollar.append(',');
+                    insertsbnames.append(',');
+                }
+                insertsbjdbc.append('?');
+                insertsbdollar.append("$").append(++index);
+                insertsbnames.append(":").append(col);
             }
-            this.insertSQL = "INSERT INTO " + (this.tableStrategy == null ? table : "${newtable}") + "(" + insertsb + ") VALUES(" + insertsb2 + ")";
+            this.insertPrepareSQL = "INSERT INTO " + (this.tableStrategy == null ? table : "${newtable}") + "(" + insertsb + ") VALUES(" + insertsbjdbc + ")";
+            this.insertDollarPrepareSQL = "INSERT INTO " + (this.tableStrategy == null ? table : "${newtable}") + "(" + insertsb + ") VALUES(" + insertsbdollar + ")";
+            this.insertNamesPrepareSQL = "INSERT INTO " + (this.tableStrategy == null ? table : "${newtable}") + "(" + insertsb + ") VALUES(" + insertsbnames + ")";
             StringBuilder updatesb = new StringBuilder();
+            StringBuilder updatesbdollar = new StringBuilder();
+            StringBuilder updatesbnames = new StringBuilder();
+            index = 0;
             for (String col : updatecols) {
-                if (updatesb.length() > 0) updatesb.append(", ");
+                if (index > 0) {
+                    updatesb.append(", ");
+                    updatesbdollar.append(", ");
+                    updatesbnames.append(", ");
+                }
                 updatesb.append(col).append(" = ?");
+                updatesbdollar.append(col).append(" = ").append("$").append(++index);
+                updatesbnames.append(col).append(" = :").append(col);
             }
-            this.updateSQL = "UPDATE " + (this.tableStrategy == null ? table : "${newtable}") + " SET " + updatesb + " WHERE " + getPrimarySQLColumn(null) + " = ?";
-            this.deleteSQL = "DELETE FROM " + (this.tableStrategy == null ? table : "${newtable}") + " WHERE " + getPrimarySQLColumn(null) + " = ?";
-            this.querySQL = "SELECT * FROM " + table + " WHERE " + getPrimarySQLColumn(null) + " = ?";
+            this.updatePrepareSQL = "UPDATE " + (this.tableStrategy == null ? table : "${newtable}") + " SET " + updatesb + " WHERE " + getPrimarySQLColumn(null) + " = ?";
+            this.updateDollarPrepareSQL = "UPDATE " + (this.tableStrategy == null ? table : "${newtable}") + " SET " + updatesbdollar + " WHERE " + getPrimarySQLColumn(null) + " = $" + (++index);
+            this.updateNamesPrepareSQL = "UPDATE " + (this.tableStrategy == null ? table : "${newtable}") + " SET " + updatesbnames + " WHERE " + getPrimarySQLColumn(null) + " = :" + getPrimarySQLColumn(null);
+            this.deletePrepareSQL = "DELETE FROM " + (this.tableStrategy == null ? table : "${newtable}") + " WHERE " + getPrimarySQLColumn(null) + " = ?";
+            this.deleteDollarPrepareSQL = "DELETE FROM " + (this.tableStrategy == null ? table : "${newtable}") + " WHERE " + getPrimarySQLColumn(null) + " = $1";
+            this.deleteNamesPrepareSQL = "DELETE FROM " + (this.tableStrategy == null ? table : "${newtable}") + " WHERE " + getPrimarySQLColumn(null) + " = :" + getPrimarySQLColumn(null);
+            this.queryPrepareSQL = "SELECT * FROM " + table + " WHERE " + getPrimarySQLColumn(null) + " = ?";
+            this.queryDollarPrepareSQL = "SELECT * FROM " + table + " WHERE " + getPrimarySQLColumn(null) + " = $1";
+            this.queryNamesPrepareSQL = "SELECT * FROM " + table + " WHERE " + getPrimarySQLColumn(null) + " = :" + getPrimarySQLColumn(null);
         } else {
-            this.insertSQL = null;
-            this.updateSQL = null;
-            this.deleteSQL = null;
-            this.querySQL = null;
+            this.insertPrepareSQL = null;
+            this.updatePrepareSQL = null;
+            this.deletePrepareSQL = null;
+            this.queryPrepareSQL = null;
+
+            this.insertDollarPrepareSQL = null;
+            this.updateDollarPrepareSQL = null;
+            this.deleteDollarPrepareSQL = null;
+            this.queryDollarPrepareSQL = null;
+
+            this.insertNamesPrepareSQL = null;
+            this.updateNamesPrepareSQL = null;
+            this.deleteNamesPrepareSQL = null;
+            this.queryNamesPrepareSQL = null;
         }
         this.autoGenerated = auto;
         this.autouuid = uuid;
@@ -405,6 +465,79 @@ public final class EntityInfo<T> {
         return table == null;
     }
 
+    public boolean isAutoGenerated() {
+        return autoGenerated;
+    }
+
+    public boolean isAutouuid() {
+        return autouuid;
+    }
+
+    public DistributeTableStrategy<T> getTableStrategy() {
+        return tableStrategy;
+    }
+
+    public String getTableNotExistSqlStates2() {
+        return tablenotexistSqlstates;
+    }
+
+    public boolean isTableNotExist(String code) {
+        return tablenotexistSqlstates.contains(';' + code + ';');
+    }
+
+    public boolean isTableNotExist(SQLException e) {
+        if (e == null) return false;
+        return tablenotexistSqlstates.contains(';' + e.getSQLState() + ';');
+    }
+
+    public Attribute<T, Serializable>[] getInsertAttributes() {
+        return insertAttributes;
+    }
+
+    public Attribute<T, Serializable>[] getUpdateAttributes() {
+        return updateAttributes;
+    }
+
+    public Attribute<T, Serializable>[] getQueryAttributes() {
+        return queryAttributes;
+    }
+
+    /**
+     * 获取Entity的QUERY SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getQueryPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return queryPrepareSQL;
+        return queryPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的QUERY SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getQueryDollarPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return queryDollarPrepareSQL;
+        return queryDollarPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的QUERY SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getQueryNamesPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return queryNamesPrepareSQL;
+        return queryNamesPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
     /**
      * 获取Entity的INSERT SQL
      *
@@ -412,9 +545,33 @@ public final class EntityInfo<T> {
      *
      * @return String
      */
-    public String getInsertSQL(T bean) {
-        if (this.tableStrategy == null) return insertSQL;
-        return insertSQL.replace("${newtable}", getTable(bean));
+    public String getInsertPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return insertPrepareSQL;
+        return insertPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的INSERT SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getInsertDollarPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return insertDollarPrepareSQL;
+        return insertDollarPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的INSERT SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getInsertNamesPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return insertNamesPrepareSQL;
+        return insertNamesPrepareSQL.replace("${newtable}", getTable(bean));
     }
 
     /**
@@ -424,9 +581,33 @@ public final class EntityInfo<T> {
      *
      * @return String
      */
-    public String getUpdateSQL(T bean) {
-        if (this.tableStrategy == null) return updateSQL;
-        return updateSQL.replace("${newtable}", getTable(bean));
+    public String getUpdatePrepareSQL(T bean) {
+        if (this.tableStrategy == null) return updatePrepareSQL;
+        return updatePrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的UPDATE SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getUpdateDollarPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return updateDollarPrepareSQL;
+        return updateDollarPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的UPDATE SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getUpdateNamesPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return updateNamesPrepareSQL;
+        return updateNamesPrepareSQL.replace("${newtable}", getTable(bean));
     }
 
     /**
@@ -436,9 +617,33 @@ public final class EntityInfo<T> {
      *
      * @return String
      */
-    public String getDeleteSQL(T bean) {
-        if (this.tableStrategy == null) return deleteSQL;
-        return deleteSQL.replace("${newtable}", getTable(bean));
+    public String getDeletePrepareSQL(T bean) {
+        if (this.tableStrategy == null) return deletePrepareSQL;
+        return deletePrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的DELETE SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getDeleteDollarPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return deleteDollarPrepareSQL;
+        return deleteDollarPrepareSQL.replace("${newtable}", getTable(bean));
+    }
+
+    /**
+     * 获取Entity的DELETE SQL
+     *
+     * @param bean Entity对象
+     *
+     * @return String
+     */
+    public String getDeleteNamesPrepareSQL(T bean) {
+        if (this.tableStrategy == null) return deleteNamesPrepareSQL;
+        return deleteNamesPrepareSQL.replace("${newtable}", getTable(bean));
     }
 
     /**
@@ -461,6 +666,10 @@ public final class EntityInfo<T> {
         return sb;
     }
 
+    public String getTableCopySQL(String newTable) {
+        return tablecopySQL.replace("${newtable}", newTable).replace("${oldtable}", table);
+    }
+
     /**
      * 根据主键值获取Entity的表名
      *

src/org/redkale/source/FilterFuncColumn.java

@@ -40,11 +40,11 @@ public class FilterFuncColumn implements java.io.Serializable {
         return new FilterFuncColumn(func, defvalue, columns);
     }
 
-    String[] cols() {
+    public String[] cols() {
         return columns == null || columns.length == 0 ? new String[]{COLUMN_NULL} : columns;
     }
 
-    String col(String column) {
+    public String col(String column) {
         return column == null || column.isEmpty() ? COLUMN_NULL : column;
     }
 

src/org/redkale/source/PoolJdbcSource.java

@@ -8,13 +8,13 @@ package org.redkale.source;
 import java.io.*;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Method;
+import java.net.URL;
 import java.nio.file.*;
 import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
 import java.sql.*;
 import java.util.*;
 import java.util.concurrent.*;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.logging.Level;
+import java.util.logging.*;
 import javax.sql.*;
 import static org.redkale.source.DataSources.*;
 
@@ -25,86 +25,58 @@ import static org.redkale.source.DataSources.*;
  *
  * @author zhangjx
  */
-public class PoolJdbcSource {
+public class PoolJdbcSource extends PoolSource<Connection> {
 
     private static final Map<String, AbstractMap.SimpleEntry<WatchService, List<WeakReference<PoolJdbcSource>>>> maps = new HashMap<>();
 
-    private final AtomicLong usingCounter = new AtomicLong();
-
-    private final AtomicLong creatCounter = new AtomicLong();
-
-    private final AtomicLong cycleCounter = new AtomicLong();
-
-    private final AtomicLong saveCounter = new AtomicLong();
-
     private final ConnectionPoolDataSource source;
 
     private final ArrayBlockingQueue<PooledConnection> queue;
 
     private final ConnectionEventListener listener;
 
-    private final DataJdbcSource dataSource;
+    private final String unitName;
 
-    private final String stype; // "" 或 "read"  或 "write"
+    private final URL persistxml;
 
-    private final int maxconns;
-
-    private String url;
-
-    private String user;
-
-    private String password;
-
-    final Properties props;
-
-    public PoolJdbcSource(DataJdbcSource source, String stype, Properties prop) {
-        this.dataSource = source;
-        this.stype = stype;
-        this.props = prop;
+    public PoolJdbcSource(String unitName, URL persistxml, String rwtype, ArrayBlockingQueue aqueue, Properties prop, Logger logger) {
+        super(rwtype, prop, logger);
+        this.unitName = unitName;
+        this.persistxml = persistxml;
         this.source = createDataSource(prop);
-        this.url = prop.getProperty(JDBC_URL);
-        this.user = prop.getProperty(JDBC_USER);
-        this.password = prop.getProperty(JDBC_PWD);
-        this.maxconns = Integer.decode(prop.getProperty(JDBC_CONNECTIONSMAX, "" + Runtime.getRuntime().availableProcessors() * 16));
-        this.queue = new ArrayBlockingQueue<>(this.maxconns);
+        this.queue = aqueue == null ? new ArrayBlockingQueue<>(this.maxconns) : aqueue;
         this.listener = new ConnectionEventListener() {
 
             @Override
             public void connectionClosed(ConnectionEvent event) {
                 PooledConnection pc = (PooledConnection) event.getSource();
-                if (queue.offer(pc)) saveCounter.incrementAndGet();
+                if (queue.offer(pc)) {
+                    saveCounter.incrementAndGet();
+                } else {
+                    try {
+                        pc.close();
+                    } catch (Exception e) {
+                        logger.log(Level.INFO, DataSource.class.getSimpleName() + " " + pc + " close error", e);
+                    }
+                }
             }
 
             @Override
             public void connectionErrorOccurred(ConnectionEvent event) {
                 usingCounter.decrementAndGet();
                 if ("08S01".equals(event.getSQLException().getSQLState())) return; //MySQL特性， 长时间连接没使用会抛出com.mysql.jdbc.exceptions.jdbc4.CommunicationsException
-                dataSource.logger.log(Level.WARNING, "connectionErronOccurred  [" + event.getSQLException().getSQLState() + "]", event.getSQLException());
+                logger.log(Level.WARNING, "connectionErronOccurred  [" + event.getSQLException().getSQLState() + "]", event.getSQLException());
             }
         };
-        if (this.isOracle()) {
-            this.props.setProperty(JDBC_CONTAIN_SQLTEMPLATE, "INSTR(${keystr}, ${column}) > 0");
-            this.props.setProperty(JDBC_NOTCONTAIN_SQLTEMPLATE, "INSTR(${keystr}, ${column}) = 0");
-            if (!this.props.containsKey(JDBC_TABLENOTEXIST_SQLSTATES)) {
-                this.props.setProperty(JDBC_TABLENOTEXIST_SQLSTATES, "42000;42S02");
-            }
-            if (!this.props.containsKey(JDBC_TABLECOPY_SQLTEMPLATE)) {
-                //注意：此语句复制表结构会导致默认值和主键信息的丢失
-                this.props.setProperty(JDBC_TABLECOPY_SQLTEMPLATE, "CREATE TABLE ${newtable} AS SELECT * FROM ${oldtable} WHERE 1=2");
-            }
-        } else if (this.isSqlserver()) {
-            this.props.setProperty(JDBC_CONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) > 0");
-            this.props.setProperty(JDBC_NOTCONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) = 0");
-        }
 
         try {
             this.watch();
         } catch (Exception e) {
-            dataSource.logger.log(Level.WARNING, DataSource.class.getSimpleName() + " watch " + dataSource.conf + " error", e);
+            logger.log(Level.WARNING, DataSource.class.getSimpleName() + " watch " + persistxml + " error", e);
         }
     }
 
-    static ConnectionPoolDataSource createDataSource(Properties property) {
+    private static ConnectionPoolDataSource createDataSource(Properties property) {
         try {
             return createDataSource(property.getProperty(JDBC_SOURCE, property.getProperty(JDBC_DRIVER)),
                 property.getProperty(JDBC_URL), property.getProperty(JDBC_USER), property.getProperty(JDBC_PWD));
@@ -113,7 +85,7 @@ public class PoolJdbcSource {
         }
     }
 
-    static ConnectionPoolDataSource createDataSource(String source0, String url, String user, String password) throws Exception {
+    private static ConnectionPoolDataSource createDataSource(String source0, String url, String user, String password) throws Exception {
         String source = source0;
         if (source0 == null || source0.isEmpty()) {
             if (url.startsWith("jdbc:mysql:")) {
@@ -175,25 +147,14 @@ public class PoolJdbcSource {
         return (ConnectionPoolDataSource) pdsource;
     }
 
-    final boolean isMysql() {
-        return source != null && source.getClass().getName().contains(".mysql.");
-    }
-
-    final boolean isOracle() {
-        return source != null && source.getClass().getName().contains("oracle.");
-    }
-
-    final boolean isSqlserver() {
-        return source != null && source.getClass().getName().contains(".sqlserver.");
-    }
-
-    final boolean isPostgresql() {
-        return source != null && source.getClass().getName().contains(".postgresql.");
+    @Override
+    protected int getDefaultPort() {
+        return 0;
     }
 
     private void watch() throws IOException {
-        if (dataSource.conf == null || dataSource.name == null) return;
-        final String file = dataSource.conf.getFile();
+        if (persistxml == null || unitName == null) return;
+        final String file = persistxml.getFile();
         final File f = new File(file);
         if (!f.isFile() || !f.canRead()) return;
         synchronized (maps) {
@@ -225,18 +186,18 @@ public class PoolJdbcSource {
                                     PoolJdbcSource pool = ref.get();
                                     if (pool == null) continue;
                                     try {
-                                        Properties property = m.get(pool.dataSource.name);
-                                        if (property == null) property = m.get(pool.dataSource.name + "." + pool.stype);
+                                        Properties property = m.get(unitName);
+                                        if (property == null) property = m.get(unitName + "." + pool.rwtype);
                                         if (property != null) pool.change(property);
                                     } catch (Exception ex) {
-                                        dataSource.logger.log(Level.INFO, event.context() + " occur error", ex);
+                                        logger.log(Level.INFO, event.context() + " occur error", ex);
                                     }
                                 }
                             });
                             key.reset();
                         }
                     } catch (Exception e) {
-                        dataSource.logger.log(Level.WARNING, "DataSource watch " + file + " occur error", e);
+                        logger.log(Level.WARNING, "DataSource watch " + file + " occur error", e);
                     }
                 }
             };
@@ -244,20 +205,21 @@ public class PoolJdbcSource {
             watchThread.setName("DataSource-Watch-" + maps.size() + "-Thread");
             watchThread.setDaemon(true);
             watchThread.start();
-            dataSource.logger.log(Level.INFO, watchThread.getName() + " start watching " + file);
+            logger.log(Level.INFO, watchThread.getName() + " start watching " + file);
             //-----------------------------------------------------------            
             list.add(new WeakReference<>(this));
             maps.put(file, new AbstractMap.SimpleEntry<>(watcher, list));
         }
     }
 
+    @Override
     public void change(Properties property) {
         Method seturlm;
         Class clazz = source.getClass();
         String newurl = property.getProperty(JDBC_URL);
         String newuser = property.getProperty(JDBC_USER);
         String newpassword = property.getProperty(JDBC_PWD);
-        if (this.url.equals(newurl) && this.user.equals(newuser) && this.password.equals(newpassword)) return;
+        if (this.url.equals(newurl) && this.username.equals(newuser) && this.password.equals(newpassword)) return;
         try {
             try {
                 seturlm = clazz.getMethod("setUrl", String.class);
@@ -268,21 +230,37 @@ public class PoolJdbcSource {
             clazz.getMethod("setUser", String.class).invoke(source, newuser);
             clazz.getMethod("setPassword", String.class).invoke(source, newpassword);
             this.url = newurl;
-            this.user = newuser;
+            this.username = newuser;
             this.password = newpassword;
-            dataSource.logger.log(Level.INFO, DataSource.class.getSimpleName() + "(" + dataSource.name + "." + stype + ") change  (" + property + ")");
+            logger.log(Level.INFO, DataSource.class.getSimpleName() + "(" + unitName + "." + rwtype + ") change  (" + property + ")");
         } catch (Exception e) {
-            dataSource.logger.log(Level.SEVERE, DataSource.class.getSimpleName() + " dynamic change JDBC (url userName password) error", e);
+            logger.log(Level.SEVERE, DataSource.class.getSimpleName() + " dynamic change JDBC (url userName password) error", e);
         }
     }
 
+    @Override
+    public void offerConnection(final Connection conn) {
+        if (conn == null) return;
+        try {
+            conn.close();
+        } catch (Exception e) {
+            logger.log(Level.WARNING, "closeSQLConnection abort", e);
+        }
+    }
+
+    @Override
     public Connection poll() {
         return poll(0, null);
     }
 
+    @Override
+    public CompletableFuture<Connection> pollAsync() {
+        return CompletableFuture.completedFuture(poll());
+    }
+
     private Connection poll(final int count, SQLException e) {
         if (count >= 3) {
-            dataSource.logger.log(Level.WARNING, "create pooled connection error", e);
+            logger.log(Level.WARNING, "create pooled connection error", e);
             throw new RuntimeException(e);
         }
         PooledConnection result = queue.poll();
@@ -291,7 +269,7 @@ public class PoolJdbcSource {
                 try {
                     result = queue.poll(6, TimeUnit.SECONDS);
                 } catch (Exception t) {
-                    dataSource.logger.log(Level.WARNING, "take pooled connection error", t);
+                    logger.log(Level.WARNING, "take pooled connection error", t);
                 }
             }
             if (result == null) {
@@ -311,31 +289,20 @@ public class PoolJdbcSource {
         try {
             conn = result.getConnection();
             if (!conn.isValid(1)) {
-                dataSource.logger.info("sql connection is not vaild");
+                logger.info("sql connection is not vaild");
                 usingCounter.decrementAndGet();
                 return poll(0, null);
             }
         } catch (SQLException ex) {
             if (!"08S01".equals(ex.getSQLState())) {//MySQL特性， 长时间连接没使用会抛出com.mysql.jdbc.exceptions.jdbc4.CommunicationsException
-                dataSource.logger.log(Level.FINER, "result.getConnection from pooled connection abort [" + ex.getSQLState() + "]", ex);
+                logger.log(Level.FINER, "result.getConnection from pooled connection abort [" + ex.getSQLState() + "]", ex);
             }
             return poll(0, null);
         }
         return conn;
     }
 
-    public long getCreatCount() {
-        return creatCounter.longValue();
-    }
-
-    public long getCycleCount() {
-        return cycleCounter.longValue();
-    }
-
-    public long getSaveCount() {
-        return saveCounter.longValue();
-    }
-
+    @Override
     public void close() {
         queue.stream().forEach(x -> {
             try {
@@ -344,4 +311,5 @@ public class PoolJdbcSource {
             }
         });
     }
+
 }

src/org/redkale/source/PoolSource.java

@@ -0,0 +1,207 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.source;
+
+import java.net.InetSocketAddress;
+import java.util.*;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.logging.Logger;
+import static org.redkale.source.DataSources.*;
+
+/**
+ * 连接池类
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ * @param <DBChannel> 连接泛型
+ */
+public abstract class PoolSource<DBChannel> {
+
+    protected final AtomicLong usingCounter = new AtomicLong();
+
+    protected final AtomicLong creatCounter = new AtomicLong();
+
+    protected final AtomicLong cycleCounter = new AtomicLong();
+
+    protected final AtomicLong saveCounter = new AtomicLong();
+
+    protected final Logger logger;
+
+    protected final String rwtype; // "" 或 "read"  或 "write"
+
+    protected final int maxconns;
+
+    protected final String dbtype;
+
+    protected int connectTimeoutSeconds;
+
+    protected int readTimeoutSeconds;
+
+    protected int writeTimeoutSeconds;
+
+    protected String url;
+
+    protected InetSocketAddress servaddr;
+
+    protected String username;
+
+    protected String password;
+
+    protected String database;
+
+    protected Properties props;
+
+    protected Properties attributes = new Properties();
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public PoolSource(String rwtype, Properties prop, Logger logger) {
+        this.logger = logger;
+        this.rwtype = rwtype;
+        this.props = prop;
+        this.url = prop.getProperty(JDBC_URL);
+        this.username = prop.getProperty(JDBC_USER, "");
+        this.password = prop.getProperty(JDBC_PWD, "");
+        this.connectTimeoutSeconds = Integer.decode(prop.getProperty(JDBC_CONNECTTIMEOUT_SECONDS, "3"));
+        this.readTimeoutSeconds = Integer.decode(prop.getProperty(JDBC_READTIMEOUT_SECONDS, "3"));
+        this.writeTimeoutSeconds = Integer.decode(prop.getProperty(JDBC_WRITETIMEOUT_SECONDS, "3"));
+        this.maxconns = Math.max(8, Integer.decode(prop.getProperty(JDBC_CONNECTIONSMAX, "" + Runtime.getRuntime().availableProcessors() * 16)));
+        String dbtype0 = "";
+        { //jdbc:mysql:// jdbc:microsoft:sqlserver:// 取://之前的到最后一个:之间的字符串
+            int pos = this.url.indexOf("://");
+            if (pos > 0) {
+                String url0 = this.url.substring(0, pos);
+                pos = url0.lastIndexOf(':');
+                if (pos > 0) dbtype0 = url0.substring(pos + 1);
+            } else { //jdbc:oracle:thin:@localhost:1521
+                String url0 = url.substring(url.indexOf(":") + 1);
+                pos = url0.indexOf(':');
+                if (pos > 0) dbtype0 = url0.substring(0, pos);
+            }
+        }
+        this.dbtype = dbtype0.toLowerCase();
+        parseAddressAndDbnameAndAttrs();
+
+        if ("oracle".equals(this.dbtype)) {
+            this.props.setProperty(JDBC_CONTAIN_SQLTEMPLATE, "INSTR(${keystr}, ${column}) > 0");
+            this.props.setProperty(JDBC_NOTCONTAIN_SQLTEMPLATE, "INSTR(${keystr}, ${column}) = 0");
+            if (!this.props.containsKey(JDBC_TABLENOTEXIST_SQLSTATES)) {
+                this.props.setProperty(JDBC_TABLENOTEXIST_SQLSTATES, "42000;42S02");
+            }
+            if (!this.props.containsKey(JDBC_TABLECOPY_SQLTEMPLATE)) {
+                //注意：此语句复制表结构会导致默认值和主键信息的丢失
+                this.props.setProperty(JDBC_TABLECOPY_SQLTEMPLATE, "CREATE TABLE ${newtable} AS SELECT * FROM ${oldtable} WHERE 1=2");
+            }
+        } else if ("sqlserver".equals(this.dbtype)) {
+            this.props.setProperty(JDBC_CONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) > 0");
+            this.props.setProperty(JDBC_NOTCONTAIN_SQLTEMPLATE, "CHARINDEX(${column}, ${keystr}) = 0");
+        } else if ("postgresql".equals(this.dbtype)) {
+            if (!this.props.containsKey(JDBC_TABLECOPY_SQLTEMPLATE)) { //注意：此语句复制表结构会导致默认值和主键信息的丢失
+                //注意：postgresql不支持跨库复制表结构
+                this.props.setProperty(JDBC_TABLECOPY_SQLTEMPLATE, "CREATE TABLE ${newtable} AS (SELECT * FROM ${oldtable} LIMIT 0)");
+            }
+            if (!this.props.containsKey(JDBC_TABLENOTEXIST_SQLSTATES)) {
+                this.props.setProperty(JDBC_TABLENOTEXIST_SQLSTATES, "42P01;3F000");
+            }
+        }
+    }
+
+    protected void parseAddressAndDbnameAndAttrs() {
+        String url0 = this.url.substring(this.url.indexOf("://") + 3);
+        int pos = url0.indexOf('?'); //127.0.0.1:5432/db?charset=utr8&xxx=yy
+        if (pos > 0) {
+            String params = url0.substring(pos + 1).replace("&amp;", "&");
+            for (String param : params.split("&")) {
+                int p = param.indexOf('=');
+                if (p < 1) continue;
+                this.attributes.put(param.substring(0, p), param.substring(p + 1));
+            }
+            url0 = url0.substring(0, pos);
+        }
+        pos = url0.indexOf('/'); //127.0.0.1:5432/db
+        if (pos > 0) {
+            this.database = url0.substring(pos + 1);
+            url0 = url0.substring(0, pos);
+        }
+        pos = url0.indexOf(':');
+        if (pos > 0) {
+            this.servaddr = new InetSocketAddress(url0.substring(0, pos), Integer.parseInt(url0.substring(pos + 1)));
+        } else {
+            this.servaddr = new InetSocketAddress(url0, getDefaultPort());
+        }
+    }
+
+    protected abstract int getDefaultPort();
+
+    public abstract void change(Properties property);
+
+    public abstract DBChannel poll();
+
+    public abstract CompletableFuture<DBChannel> pollAsync();
+
+    public abstract void offerConnection(final DBChannel conn);
+
+    public abstract void close();
+
+    public final String getDbtype() {
+        return dbtype;
+    }
+
+    public final long getUsingCount() {
+        return usingCounter.longValue();
+    }
+
+    public final long getCreatCount() {
+        return creatCounter.longValue();
+    }
+
+    public final long getCycleCount() {
+        return cycleCounter.longValue();
+    }
+
+    public final long getSaveCount() {
+        return saveCounter.longValue();
+    }
+
+    public final int getMaxconns() {
+        return maxconns;
+    }
+
+    public final int getConnectTimeoutSeconds() {
+        return connectTimeoutSeconds;
+    }
+
+    public final int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    public final int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
+    }
+
+    public final String getUrl() {
+        return url;
+    }
+
+    public final InetSocketAddress getServaddr() {
+        return servaddr;
+    }
+
+    public final String getUsername() {
+        return username;
+    }
+
+    public final String getPassword() {
+        return password;
+    }
+
+    public final String getDatabase() {
+        return database;
+    }
+
+}

src/org/redkale/source/PoolTcpSource.java

@@ -0,0 +1,219 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.source;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.sql.*;
+import java.util.Properties;
+import java.util.concurrent.*;
+import java.util.logging.*;
+import org.redkale.net.AsyncConnection;
+import static org.redkale.source.DataSources.*;
+import org.redkale.util.ObjectPool;
+
+/**
+ *
+ * @author zhangjx
+ */
+public abstract class PoolTcpSource extends PoolSource<AsyncConnection> {
+
+    //ByteBuffer池
+    protected ObjectPool<ByteBuffer> bufferPool;
+
+    //线程池
+    protected ThreadPoolExecutor executor;
+
+    //TCP Channel组
+    protected AsynchronousChannelGroup group;
+
+    protected final ArrayBlockingQueue<AsyncConnection> connQueue;
+
+    public PoolTcpSource(String rwtype, ArrayBlockingQueue queue, Properties prop, Logger logger, ObjectPool<ByteBuffer> bufferPool, ThreadPoolExecutor executor) {
+        super(rwtype, prop, logger);
+        this.bufferPool = bufferPool;
+        this.executor = executor;
+        try {
+            this.group = AsynchronousChannelGroup.withThreadPool(executor);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        this.connQueue = queue == null ? new ArrayBlockingQueue<>(this.maxconns) : queue;
+    }
+
+    @Override
+    public void offerConnection(final AsyncConnection conn) {
+        if (conn == null) return;
+        if (connQueue.offer(conn)) {
+            saveCounter.incrementAndGet();
+            usingCounter.decrementAndGet();
+        } else {
+            //usingCounter 会在close方法中执行
+            CompletableFuture<AsyncConnection> future = null;
+            try {
+                future = sendCloseCommand(conn);
+            } catch (Exception e) {
+            }
+            if (future == null) {
+                conn.dispose();
+            } else {
+                future.whenComplete((c, t) -> {
+                    if (c != null) c.dispose();
+                });
+            }
+        }
+    }
+
+    @Override
+    public void change(Properties prop) {
+        String newurl = prop.getProperty(JDBC_URL);
+        String newuser = prop.getProperty(JDBC_USER, "");
+        String newpassword = prop.getProperty(JDBC_PWD, "");
+        if (this.url.equals(newurl) && this.username.equals(newuser) && this.password.equals(newpassword)) return;
+        this.url = newurl;
+        this.username = newuser;
+        this.password = newpassword;
+        parseAddressAndDbnameAndAttrs();
+    }
+
+    @Override
+    public final AsyncConnection poll() {
+        return pollAsync().join();
+    }
+
+    protected abstract ByteBuffer reqConnectBuffer(AsyncConnection conn);
+
+    protected abstract void respConnectBuffer(final ByteBuffer buffer, CompletableFuture<AsyncConnection> future, AsyncConnection conn);
+
+    @Override
+    public CompletableFuture<AsyncConnection> pollAsync() {
+        return pollAsync(0);
+    }
+
+    protected CompletableFuture<AsyncConnection> pollAsync(final int count) {
+        if (count >= 3) {
+            logger.log(Level.WARNING, "create datasource connection error");
+            CompletableFuture<AsyncConnection> future = new CompletableFuture<>();
+            future.completeExceptionally(new SQLException("create datasource connection error"));
+            return future;
+        }
+        AsyncConnection conn0 = connQueue.poll();
+        if (conn0 != null && conn0.isOpen()) {
+            cycleCounter.incrementAndGet();
+            usingCounter.incrementAndGet();
+            return CompletableFuture.completedFuture(conn0);
+        }
+        if (usingCounter.get() >= maxconns && count < 2) {
+            return CompletableFuture.supplyAsync(() -> {
+                try {
+                    return connQueue.poll(3, TimeUnit.SECONDS);
+                } catch (Exception t) {
+                    return null;
+                }
+            }, executor).thenCompose((conn2) -> {
+                if (conn2 != null && conn2.isOpen()) {
+                    cycleCounter.incrementAndGet();
+                    return CompletableFuture.completedFuture(conn2);
+                }
+                return pollAsync(count + 1);
+            });
+        }
+
+        return AsyncConnection.createTCP(group, this.servaddr, this.readTimeoutSeconds, this.writeTimeoutSeconds).thenCompose(conn -> {
+            conn.beforeCloseListener((c) -> usingCounter.decrementAndGet());
+            CompletableFuture<AsyncConnection> future = new CompletableFuture();
+            final ByteBuffer buffer = reqConnectBuffer(conn);
+            if (buffer == null) {
+                final ByteBuffer rbuffer = bufferPool.get();
+                conn.read(rbuffer, null, new CompletionHandler<Integer, Void>() {
+                    @Override
+                    public void completed(Integer result, Void attachment2) {
+                        if (result < 0) {
+                            failed(new SQLException("Read Buffer Error"), attachment2);
+                            return;
+                        }
+                        rbuffer.flip();
+                        respConnectBuffer(rbuffer, future, conn);
+                    }
+
+                    @Override
+                    public void failed(Throwable exc, Void attachment2) {
+                        bufferPool.accept(rbuffer);
+                        future.completeExceptionally(exc);
+                        conn.dispose();
+                    }
+                });
+            } else {
+                conn.write(buffer, null, new CompletionHandler<Integer, Void>() {
+                    @Override
+                    public void completed(Integer result, Void attachment1) {
+                        if (result < 0) {
+                            failed(new SQLException("Write Buffer Error"), attachment1);
+                            return;
+                        }
+                        if (buffer.hasRemaining()) {
+                            conn.write(buffer, attachment1, this);
+                            return;
+                        }
+                        buffer.clear();
+                        conn.read(buffer, null, new CompletionHandler<Integer, Void>() {
+                            @Override
+                            public void completed(Integer result, Void attachment2) {
+                                if (result < 0) {
+                                    failed(new SQLException("Read Buffer Error"), attachment2);
+                                    return;
+                                }
+                                buffer.flip();
+                                respConnectBuffer(buffer, future, conn);
+                            }
+
+                            @Override
+                            public void failed(Throwable exc, Void attachment2) {
+                                bufferPool.accept(buffer);
+                                future.completeExceptionally(exc);
+                                conn.dispose();
+                            }
+                        });
+                    }
+
+                    @Override
+                    public void failed(Throwable exc, Void attachment1) {
+                        bufferPool.accept(buffer);
+                        future.completeExceptionally(exc);
+                        conn.dispose();
+                    }
+                });
+            }
+            return future;
+        }).whenComplete((c, t) -> {
+            if (t == null) {
+                creatCounter.incrementAndGet();
+                usingCounter.incrementAndGet();
+            }
+        });
+    }
+
+    @Override
+    public void close() {
+        connQueue.stream().forEach(x -> {
+            CompletableFuture<AsyncConnection> future = null;
+            try {
+                future = sendCloseCommand(x);
+            } catch (Exception e) {
+            }
+            if (future == null) {
+                x.dispose();
+            } else {
+                future.whenComplete((c, t) -> {
+                    if (c != null) c.dispose();
+                });
+            }
+        });
+    }
+
+    protected abstract CompletableFuture<AsyncConnection> sendCloseCommand(final AsyncConnection conn);
+}

src/org/redkale/source/Range.java

@@ -6,6 +6,7 @@
 package org.redkale.source;
 
 import java.util.function.*;
+import org.redkale.util.Utility;
 
 /**
  *
@@ -85,6 +86,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Byte t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 
@@ -129,6 +131,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Short t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 
@@ -172,6 +175,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Integer t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 
@@ -195,6 +199,16 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
             if (max != null) this.max = max;
         }
 
+        public static LongRange todayRange() {
+            long min = Utility.midnight();
+            return new LongRange(min, min + 24 * 60 * 60 * 1000 - 1);
+        }
+
+        public static LongRange yesterdayRange() {
+            long min = Utility.midnight(System.currentTimeMillis() - 24 * 60 * 60 * 1000);
+            return new LongRange(min, min + 24 * 60 * 60 * 1000 - 1);
+        }
+
         @Override
         public Long getMin() {
             return min;
@@ -215,6 +229,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Long t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 
@@ -258,6 +273,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Float t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 
@@ -301,6 +317,7 @@ public interface Range<E extends Comparable> extends java.io.Serializable, Predi
 
         @Override
         public boolean test(Double t) {
+            if (max < min) return t >= min;
             return t >= min && t <= max;
         }
 

src/org/redkale/source/SourceLoader.java

@@ -0,0 +1,22 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.source;
+
+/**
+ * 自定义的DataSource加载器
+ *
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface SourceLoader {
+
+    public String dbtype();
+
+    public Class<? extends DataSource> dataSourceClass();
+}

src/org/redkale/util/AnyValue.java

@@ -487,12 +487,22 @@ public abstract class AnyValue {
 
     public byte getByteValue(String name, byte defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Byte.decode(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Byte.decode(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public byte getByteValue(int radix, String name, byte defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : (radix == 10 ? Byte.decode(value) : Byte.parseByte(value, radix));
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return (radix == 10 ? Byte.decode(value) : Byte.parseByte(value, radix));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public char getCharValue(String name) {
@@ -510,12 +520,22 @@ public abstract class AnyValue {
 
     public short getShortValue(String name, short defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Short.decode(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Short.decode(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public short getShortValue(int radix, String name, short defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : (radix == 10 ? Short.decode(value) : Short.parseShort(value, radix));
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return (radix == 10 ? Short.decode(value) : Short.parseShort(value, radix));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public int getIntValue(String name) {
@@ -524,12 +544,22 @@ public abstract class AnyValue {
 
     public int getIntValue(String name, int defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Integer.decode(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Integer.decode(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public int getIntValue(int radix, String name, int defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : (radix == 10 ? Integer.decode(value) : Integer.parseInt(value, radix));
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return (radix == 10 ? Integer.decode(value) : Integer.parseInt(value, radix));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public long getLongValue(String name) {
@@ -538,12 +568,22 @@ public abstract class AnyValue {
 
     public long getLongValue(String name, long defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Long.decode(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Long.decode(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public long getLongValue(int radix, String name, long defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : (radix == 10 ? Long.decode(value) : Long.parseLong(value, radix));
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return (radix == 10 ? Long.decode(value) : Long.parseLong(value, radix));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public float getFloatValue(String name) {
@@ -552,7 +592,12 @@ public abstract class AnyValue {
 
     public float getFloatValue(String name, float defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Float.parseFloat(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Float.parseFloat(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public double getDoubleValue(String name) {
@@ -561,7 +606,12 @@ public abstract class AnyValue {
 
     public double getDoubleValue(String name, double defaultValue) {
         String value = getValue(name);
-        return value == null || value.length() == 0 ? defaultValue : Double.parseDouble(value);
+        if (value == null || value.length() == 0) return defaultValue;
+        try {
+            return Double.parseDouble(value);
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
     }
 
     public String getValue(String name, String defaultValue) {

src/org/redkale/util/ByteBufferReader.java

@@ -0,0 +1,325 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.util;
+
+import java.nio.*;
+import java.util.*;
+
+/**
+ * 以ByteBuffer为数据载体的Reader <br>
+ * 注意：最小可读空间至少是8
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class ByteBufferReader {
+
+    private ByteBuffer[] buffers;
+
+    private int currIndex;
+
+    private ByteBuffer currBuffer;
+
+    private final boolean bigEndian;
+
+    public ByteBufferReader(Collection<ByteBuffer> buffers) {
+        Objects.requireNonNull(buffers);
+        this.buffers = buffers.toArray(new ByteBuffer[buffers.size()]);
+        this.currBuffer = this.buffers[0];
+        this.currIndex = 0;
+        this.bigEndian = this.currBuffer.order() == ByteOrder.BIG_ENDIAN;
+    }
+
+    public ByteBufferReader(ByteBuffer[] buffers) {
+        Objects.requireNonNull(buffers);
+        this.buffers = buffers;
+        this.currBuffer = this.buffers[0];
+        this.currIndex = 0;
+        this.bigEndian = this.currBuffer.order() == ByteOrder.BIG_ENDIAN;
+    }
+
+    public ByteBufferReader(ByteBuffer buffer) {
+        Objects.requireNonNull(buffer);
+        this.buffers = new ByteBuffer[]{buffer};
+        this.currBuffer = this.buffers[0];
+        this.currIndex = 0;
+        this.bigEndian = this.currBuffer.order() == ByteOrder.BIG_ENDIAN;
+    }
+
+    public static ByteBufferReader create(ByteBuffer buffer) {
+        return new ByteBufferReader(buffer);
+    }
+
+    public static ByteBufferReader create(Collection<ByteBuffer> buffers) {
+        return new ByteBufferReader(buffers);
+    }
+
+    public static ByteBufferReader create(ByteBuffer[] buffers) {
+        return new ByteBufferReader(buffers);
+    }
+
+    public boolean hasRemaining() {
+        return this.currBuffer.hasRemaining();
+    }
+
+    public byte get() {
+        ByteBuffer buf = this.currBuffer;
+        if (!buf.hasRemaining()) {
+            buf = this.buffers[++this.currIndex];
+            this.currBuffer = buf;
+        }
+        return this.currBuffer.get();
+    }
+
+    public short getShort() {
+        ByteBuffer buf = this.currBuffer;
+        int remain = buf.remaining();
+        if (remain >= 2) return buf.getShort();
+        if (remain == 0) {
+            buf = this.buffers[++this.currIndex];
+            this.currBuffer = buf;
+            return buf.getShort();
+        }
+        if (bigEndian) return (short) ((buf.get() << 8) | (get() & 0xff));
+        return (short) ((buf.get() & 0xff) | (get() << 8));
+    }
+
+    public int getInt() {
+        ByteBuffer buf = this.currBuffer;
+        int remain = buf.remaining();
+        if (remain >= 4) return buf.getInt();
+        if (remain == 0) {
+            buf = this.buffers[++this.currIndex];
+            this.currBuffer = buf;
+            return buf.getInt();
+        }
+        if (bigEndian) {
+            if (remain == 1) {
+                return ((buf.get() << 24)
+                    | ((get() & 0xff) << 16)
+                    | ((get() & 0xff) << 8)
+                    | ((get() & 0xff)));
+            }
+            if (remain == 2) {
+                return ((buf.get() << 24)
+                    | ((buf.get() & 0xff) << 16)
+                    | ((get() & 0xff) << 8)
+                    | ((get() & 0xff)));
+            }
+            //remain == 3
+            return ((buf.get() << 24)
+                | ((buf.get() & 0xff) << 16)
+                | ((buf.get() & 0xff) << 8)
+                | ((get() & 0xff)));
+        }
+        if (remain == 1) {
+            return ((buf.get() & 0xff)
+                | ((get() & 0xff) << 8)
+                | ((get() & 0xff) << 16)
+                | ((get() << 24)));
+        }
+        if (remain == 2) {
+            return ((buf.get() & 0xff)
+                | ((buf.get() & 0xff) << 8)
+                | ((get() & 0xff) << 16)
+                | ((get() << 24)));
+        }
+        //remain == 3
+        return ((buf.get()) & 0xff)
+            | ((buf.get() & 0xff) << 8)
+            | ((buf.get() & 0xff) << 16)
+            | ((get() << 24));
+    }
+
+    public float getFloat() {
+        return Float.intBitsToFloat(getInt());
+    }
+
+    public long getLong() {
+        ByteBuffer buf = this.currBuffer;
+        int remain = buf.remaining();
+        if (remain >= 8) return buf.getLong();
+        if (remain == 0) {
+            buf = this.buffers[++this.currIndex];
+            this.currBuffer = buf;
+            return buf.getLong();
+        }
+        if (bigEndian) {
+            if (remain == 1) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) get() & 0xff) << 48)
+                    | (((long) get() & 0xff) << 40)
+                    | (((long) get() & 0xff) << 32)
+                    | (((long) get() & 0xff) << 24)
+                    | (((long) get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            if (remain == 2) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) buf.get() & 0xff) << 48)
+                    | (((long) get() & 0xff) << 40)
+                    | (((long) get() & 0xff) << 32)
+                    | (((long) get() & 0xff) << 24)
+                    | (((long) get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            if (remain == 3) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) buf.get() & 0xff) << 48)
+                    | (((long) buf.get() & 0xff) << 40)
+                    | (((long) get() & 0xff) << 32)
+                    | (((long) get() & 0xff) << 24)
+                    | (((long) get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            if (remain == 4) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) buf.get() & 0xff) << 48)
+                    | (((long) buf.get() & 0xff) << 40)
+                    | (((long) buf.get() & 0xff) << 32)
+                    | (((long) get() & 0xff) << 24)
+                    | (((long) get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            if (remain == 5) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) buf.get() & 0xff) << 48)
+                    | (((long) buf.get() & 0xff) << 40)
+                    | (((long) buf.get() & 0xff) << 32)
+                    | (((long) buf.get() & 0xff) << 24)
+                    | (((long) get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            if (remain == 6) {
+                return ((((long) buf.get()) << 56)
+                    | (((long) buf.get() & 0xff) << 48)
+                    | (((long) buf.get() & 0xff) << 40)
+                    | (((long) buf.get() & 0xff) << 32)
+                    | (((long) buf.get() & 0xff) << 24)
+                    | (((long) buf.get() & 0xff) << 16)
+                    | (((long) get() & 0xff) << 8)
+                    | (((long) get() & 0xff)));
+            }
+            //remain == 7
+            return ((((long) buf.get()) << 56)
+                | (((long) buf.get() & 0xff) << 48)
+                | (((long) buf.get() & 0xff) << 40)
+                | (((long) buf.get() & 0xff) << 32)
+                | (((long) buf.get() & 0xff) << 24)
+                | (((long) buf.get() & 0xff) << 16)
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) get() & 0xff)));
+        }
+        if (remain == 1) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) get() & 0xff) << 8)
+                | (((long) get() & 0xff) << 16)
+                | (((long) get() & 0xff) << 24)
+                | (((long) get() & 0xff) << 32)
+                | (((long) get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        if (remain == 2) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) get() & 0xff) << 16)
+                | (((long) get() & 0xff) << 24)
+                | (((long) get() & 0xff) << 32)
+                | (((long) get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        if (remain == 3) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) buf.get() & 0xff) << 16)
+                | (((long) get() & 0xff) << 24)
+                | (((long) get() & 0xff) << 32)
+                | (((long) get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        if (remain == 4) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) buf.get() & 0xff) << 16)
+                | (((long) buf.get() & 0xff) << 24)
+                | (((long) get() & 0xff) << 32)
+                | (((long) get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        if (remain == 5) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) buf.get() & 0xff) << 16)
+                | (((long) buf.get() & 0xff) << 24)
+                | (((long) buf.get() & 0xff) << 32)
+                | (((long) get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        if (remain == 6) {
+            return ((((long) buf.get() & 0xff))
+                | (((long) buf.get() & 0xff) << 8)
+                | (((long) buf.get() & 0xff) << 16)
+                | (((long) buf.get() & 0xff) << 24)
+                | (((long) buf.get() & 0xff) << 32)
+                | (((long) buf.get() & 0xff) << 40)
+                | (((long) get() & 0xff) << 48)
+                | (((long) get()) << 56));
+        }
+        //remain == 7
+        return ((((long) buf.get() & 0xff))
+            | (((long) buf.get() & 0xff) << 8)
+            | (((long) buf.get() & 0xff) << 16)
+            | (((long) buf.get() & 0xff) << 24)
+            | (((long) buf.get() & 0xff) << 32)
+            | (((long) buf.get() & 0xff) << 40)
+            | (((long) buf.get() & 0xff) << 48)
+            | (((long) get()) << 56));
+    }
+
+    public double getDouble() {
+        return Double.longBitsToDouble(getLong());
+    }
+
+    public ByteBufferReader get(byte[] dst) {
+        return get(dst, 0, dst.length);
+    }
+
+    public ByteBufferReader get(byte[] dst, int offset, int length) {
+        ByteBuffer buf = this.currBuffer;
+        int remain = buf.remaining();
+        if (remain >= length) {
+            buf.get(dst, offset, length);
+            return this;
+        }
+        buf.get(dst, offset, remain);
+        this.currBuffer = this.buffers[++this.currIndex];
+        return get(dst, offset + remain, length - remain);
+    }
+
+    public ByteBufferReader skip(int size) {
+        ByteBuffer buf = this.currBuffer;
+        int remain = buf.remaining();
+        if (remain >= size) {
+            buf.position(buf.position() + size);
+            return this;
+        }
+        buf.position(buf.position() + remain);
+        this.currBuffer = this.buffers[++this.currIndex];
+        return skip(size - remain);
+    }
+}

src/org/redkale/util/ByteBufferWriter.java

@@ -0,0 +1,191 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.util;
+
+import java.nio.*;
+import java.util.function.Supplier;
+
+/**
+ * 以ByteBuffer为数据载体的Writer
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class ByteBufferWriter {
+
+    private final Supplier<ByteBuffer> supplier;
+
+    private ByteBuffer[] buffers;
+
+    private int position;
+
+    private boolean bigEndian = true;
+
+    protected ByteBufferWriter(Supplier<ByteBuffer> supplier) {
+        this.supplier = supplier;
+    }
+
+    public static ByteBufferWriter create(Supplier<ByteBuffer> supplier) {
+        return new ByteBufferWriter(supplier);
+    }
+
+    private ByteBuffer getLastBuffer(int size) {
+        if (this.buffers == null) {
+            ByteBuffer buf = supplier.get();
+            this.bigEndian = buf.order() == ByteOrder.BIG_ENDIAN;
+            this.buffers = Utility.append(this.buffers, buf);
+            return buf;
+        } else if (this.buffers[this.buffers.length - 1].remaining() < size) {
+            ByteBuffer buf = supplier.get();
+            this.buffers = Utility.append(this.buffers, buf);
+            return buf;
+        }
+        return this.buffers[this.buffers.length - 1];
+    }
+
+    public ByteBuffer[] toBuffers() {
+        if (buffers == null) return new ByteBuffer[0];
+        for (ByteBuffer buf : this.buffers) {
+            buf.flip();
+        }
+        return this.buffers;
+    }
+
+    public int position() {
+        return position;
+    }
+
+    public ByteBufferWriter put(byte b) {
+        getLastBuffer(1).put(b);
+        position++;
+        return this;
+    }
+
+    public ByteBufferWriter putShort(short value) {
+        getLastBuffer(2).putShort(value);
+        position += 2;
+        return this;
+    }
+
+    public ByteBufferWriter putInt(int value) {
+        getLastBuffer(4).putInt(value);
+        position += 4;
+        return this;
+    }
+
+    //重新设置指定位置的值
+    public ByteBufferWriter putInt(final int index, int value) {
+        int start = 0;
+        ByteBuffer[] buffs = this.buffers;
+        for (int i = 0; i < buffs.length; i++) {
+            int pos = buffs[i].position();
+            if (pos + start > index) {
+                int r = pos + start - index;
+                if (r >= 4) {
+                    buffs[i].putInt(index - start, value);
+                    return this;
+                } else {
+                    byte b1 = bigEndian ? (byte) ((value >> 24) & 0xFF) : (byte) (value & 0xFF);
+                    byte b2 = bigEndian ? (byte) ((value >> 16) & 0xFF) : (byte) ((value >> 8) & 0xFF);
+                    byte b3 = bigEndian ? (byte) ((value >> 8) & 0xFF) : (byte) ((value >> 16) & 0xFF);
+                    byte b4 = bigEndian ? (byte) (value & 0xFF) : (byte) ((value >> 24) & 0xFF);
+                    if (r == 3) {
+                        buffs[i].put(index - start, b1);
+                        buffs[i].put(index - start + 1, b2);
+                        buffs[i].put(index - start + 2, b3);
+                        buffs[i + 1].put(0, b4);
+                    } else if (r == 2) {
+                        buffs[i].put(index - start, b1);
+                        buffs[i].put(index - start + 1, b2);
+                        buffs[i + 1].put(0, b3);
+                        buffs[i + 1].put(1, b4);
+                    } else if (r == 1) {
+                        buffs[i].put(index - start, b1);
+                        buffs[i + 1].put(0, b2);
+                        buffs[i + 1].put(1, b3);
+                        buffs[i + 1].put(2, b4);
+                    }
+                    return this;
+                }
+            } else {
+                start += pos;
+            }
+        }
+        throw new ArrayIndexOutOfBoundsException(index);
+    }
+
+//    public static void main(String[] args) throws Throwable {
+//        ObjectPool<ByteBuffer> pool = new ObjectPool<>(20, (p) -> ByteBuffer.allocate(10), (ByteBuffer t) -> t.clear(), (ByteBuffer t) -> false);
+//        ByteBufferWriter writer = ByteBufferWriter.create(pool);
+//        for (int i = 1; i <= 18; i++) {
+//            writer.put((byte) i);
+//        }
+//        System.out.println(Arrays.toString(toBytes(writer.toBuffers())));
+//
+//        writer = ByteBufferWriter.create(pool);
+//        for (int i = 1; i <= 18; i++) {
+//            writer.put((byte) i);
+//        }
+//        int value = 0x223344;
+//        byte[] b4 = new byte[]{(byte) ((value >> 24) & 0xFF), (byte) ((value >> 16) & 0xFF), (byte) ((value >> 8) & 0xFF), (byte) (value & 0xFF)};
+//        writer.putInt(9, value);
+//        System.out.println(Arrays.toString(b4));
+//        System.out.println(Arrays.toString(toBytes(writer.toBuffers())));
+//    }
+    public ByteBufferWriter putFloat(float value) {
+        getLastBuffer(4).putFloat(value);
+        position += 4;
+        return this;
+    }
+
+    public ByteBufferWriter putLong(long value) {
+        getLastBuffer(8).putLong(value);
+        position += 8;
+        return this;
+    }
+
+    public ByteBufferWriter putDouble(double value) {
+        getLastBuffer(8).putDouble(value);
+        position += 8;
+        return this;
+    }
+
+    public ByteBufferWriter put(byte[] src) {
+        return put(src, 0, src.length);
+    }
+
+    public ByteBufferWriter put(byte[] src, int offset, int length) {
+        ByteBuffer buf = getLastBuffer(1);
+        int remain = buf.remaining();
+        if (remain >= length) {
+            buf.put(src, offset, length);
+            position += length;
+        } else {
+            buf.put(src, offset, remain);
+            position += remain;
+            put(src, offset + remain, length - remain);
+        }
+        return this;
+    }
+
+    public static byte[] toBytes(ByteBuffer[] buffers) {
+        if (buffers == null) return null;
+        int size = 0;
+        for (ByteBuffer buffer : buffers) {
+            size += buffer.remaining();
+        }
+        byte[] bs = new byte[size];
+        int index = 0;
+        for (ByteBuffer buffer : buffers) {
+            int remain = buffer.remaining();
+            buffer.get(bs, index, remain);
+            index += remain;
+        }
+        return bs;
+    }
+}

src/org/redkale/util/Creator.java

@@ -105,7 +105,7 @@ public interface Creator<T> {
                 if (this.started) return null;
                 this.started = true;
                 //返回的List中参数列表可能会比方法参数量多，因为方法内的临时变量也会存入list中， 所以需要list的元素集合比方法的参数多
-                return new MethodVisitor(Opcodes.ASM5) {
+                return new MethodVisitor(Opcodes.ASM6) {
                     @Override
                     public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
                         if (index < 1) return;
@@ -139,7 +139,7 @@ public interface Creator<T> {
                 return null;
             }
             final List<String> fieldnames = new ArrayList<>();
-            new ClassReader(out.toByteArray()).accept(new SimpleClassVisitor(Opcodes.ASM5, fieldnames, constructorDesc), 0);
+            new ClassReader(out.toByteArray()).accept(new SimpleClassVisitor(Opcodes.ASM6, fieldnames, constructorDesc), 0);
             if (fieldnames.isEmpty()) return null;
             if (paramcount == fieldnames.size()) {
                 return getConstructorField(clazz, paramcount, fieldnames.toArray(new String[fieldnames.size()]));

src/org/redkale/util/LogLevel.java

@@ -17,7 +17,6 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
  *
  * @author zhangjx
  */
-@Inherited
 @Documented
 @Target({TYPE})
 @Retention(RUNTIME)

src/org/redkale/util/Redkale.java

@@ -17,7 +17,7 @@ public final class Redkale {
     }
 
     public static String getDotedVersion() {
-        return "1.9.2";
+        return "1.9.3";
     }
 
     public static int getMajorVersion() {

src/org/redkale/util/ResourceFactory.java

@@ -485,7 +485,7 @@ public final class ResourceFactory {
                 if (re.value != null) list.add((A) re.value);
             }
         }
-        if (parent != null) query(list, clazz);
+        if (parent != null) parent.query(list, clazz);
         return list;
     }
 
@@ -502,7 +502,7 @@ public final class ResourceFactory {
                 }
             }
         }
-        if (parent != null) query(list, predicate);
+        if (parent != null) parent.query(list, predicate);
         return list;
     }
 

src/org/redkale/util/Utility.java

@@ -10,6 +10,8 @@ import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.CompletionHandler;
 import java.nio.charset.*;
+import static java.nio.charset.StandardCharsets.UTF_8;
+import java.security.*;
 import java.time.*;
 import java.util.*;
 import java.util.function.*;
@@ -31,8 +33,6 @@ public final class Utility {
 
     private static final String format = "%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS";
 
-    private static final Charset UTF_8 = Charset.forName("UTF-8");
-
     private static final char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 
     /**
@@ -566,6 +566,22 @@ public final class Utility {
         return false;
     }
 
+    /**
+     * 判断指定值是否包含指定的数组中，包含返回true
+     *
+     * @param values 集合
+     * @param value  单值
+     *
+     * @return boolean
+     */
+    public static boolean contains(short[] values, short value) {
+        if (values == null) return false;
+        for (short v : values) {
+            if (v == value) return true;
+        }
+        return false;
+    }
+
     /**
      * 判断指定值是否包含指定的数组中，包含返回true
      *
@@ -957,6 +973,64 @@ public final class Utility {
         return ld.atStartOfDay(zid).toInstant().toEpochMilli();
     }
 
+    /**
+     * MD5加密
+     *
+     * @param bs 待加密数据
+     *
+     * @return md5值
+     */
+    public static String md5Hex(byte[] bs) {
+        return binToHexString(md5Bytes(bs));
+    }
+
+    /**
+     * MD5加密
+     *
+     * @param bs 待加密数据
+     *
+     * @return md5值
+     */
+    public static byte[] md5Bytes(byte[] bs) {
+        if (bs == null) return null;
+        MessageDigest md5;
+        try {
+            md5 = MessageDigest.getInstance("MD5");
+        } catch (NoSuchAlgorithmException ex) {
+            throw new RuntimeException(ex);
+        }
+        return md5.digest(bs);
+    }
+
+    /**
+     * MD5加密
+     *
+     * @param str 待加密数据
+     *
+     * @return md5值
+     */
+    public static String md5Hex(String str) {
+        return binToHexString(md5Bytes(str));
+    }
+
+    /**
+     * MD5加密
+     *
+     * @param str 待加密数据
+     *
+     * @return md5值
+     */
+    public static byte[] md5Bytes(String str) {
+        if (str == null) return null;
+        MessageDigest md5;
+        try {
+            md5 = MessageDigest.getInstance("MD5");
+        } catch (NoSuchAlgorithmException ex) {
+            throw new RuntimeException(ex);
+        }
+        return md5.digest(str.getBytes());
+    }
+
     /**
      * 将字节数组转换为16进制字符串
      *
@@ -1602,41 +1676,48 @@ public final class Utility {
 
     public static ByteArrayOutputStream remoteHttpContent(SSLContext ctx, String method, String url, int timeout, Map<String, String> headers, String body) throws IOException {
         HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
-        conn.setConnectTimeout(timeout > 0 ? timeout : 3000);
-        conn.setReadTimeout(timeout > 0 ? timeout : 3000);
-        if (conn instanceof HttpsURLConnection) {
-            HttpsURLConnection httpsconn = ((HttpsURLConnection) conn);
-            httpsconn.setSSLSocketFactory((ctx == null ? DEFAULTSSL_CONTEXT : ctx).getSocketFactory());
-            httpsconn.setHostnameVerifier(defaultVerifier);
-        }
-        conn.setRequestMethod(method);
-        if (headers != null) {
-            for (Map.Entry<String, String> en : headers.entrySet()) { //不用forEach是为了兼容JDK 6
-                conn.setRequestProperty(en.getKey(), en.getValue());
+        boolean opening = true;
+        try {
+            conn.setConnectTimeout(timeout > 0 ? timeout : 3000);
+            conn.setReadTimeout(timeout > 0 ? timeout : 3000);
+            if (conn instanceof HttpsURLConnection) {
+                HttpsURLConnection httpsconn = ((HttpsURLConnection) conn);
+                httpsconn.setSSLSocketFactory((ctx == null ? DEFAULTSSL_CONTEXT : ctx).getSocketFactory());
+                httpsconn.setHostnameVerifier(defaultVerifier);
             }
+            conn.setRequestMethod(method);
+            if (headers != null) {
+                for (Map.Entry<String, String> en : headers.entrySet()) { //不用forEach是为了兼容JDK 6
+                    conn.setRequestProperty(en.getKey(), en.getValue());
+                }
+            }
+            if (body != null) {
+                conn.setDoInput(true);
+                conn.setDoOutput(true);
+                conn.getOutputStream().write(body.getBytes(UTF_8));
+            }
+            conn.setUseCaches(false);
+            conn.connect();
+            int rs = conn.getResponseCode();
+            if (rs == 301 || rs == 302) {
+                String newurl = conn.getHeaderField("Location");
+                conn.disconnect();
+                opening = false;
+                return remoteHttpContent(ctx, method, newurl, timeout, headers, body);
+            }
+            InputStream in = (rs < 400 || rs == 404) && rs != 405 ? conn.getInputStream() : conn.getErrorStream();
+            if ("gzip".equalsIgnoreCase(conn.getContentEncoding())) in = new GZIPInputStream(in);
+            ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
+            byte[] bytes = new byte[1024];
+            int pos;
+            while ((pos = in.read(bytes)) != -1) {
+                out.write(bytes, 0, pos);
+            }
+            in.close();
+            return out;
+        } finally {
+            if (opening) conn.disconnect();
         }
-        if (body != null) {
-            conn.setDoInput(true);
-            conn.setDoOutput(true);
-            conn.getOutputStream().write(body.getBytes(UTF_8));
-        }
-        conn.connect();
-        int rs = conn.getResponseCode();
-        if (rs == 301 || rs == 302) {
-            String newurl = conn.getHeaderField("Location");
-            conn.disconnect();
-            return remoteHttpContent(ctx, method, newurl, timeout, headers, body);
-        }
-        InputStream in = (rs < 400 || rs == 404) && rs != 405 ? conn.getInputStream() : conn.getErrorStream();
-        if ("gzip".equalsIgnoreCase(conn.getContentEncoding())) in = new GZIPInputStream(in);
-        ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
-        byte[] bytes = new byte[1024];
-        int pos;
-        while ((pos = in.read(bytes)) != -1) {
-            out.write(bytes, 0, pos);
-        }
-        conn.disconnect();
-        return out;
     }
 
     public static String read(InputStream in) throws IOException {

test/org/redkale/test/asm/AsmCreator.java

@@ -16,8 +16,8 @@ public class AsmCreator {
 
     public static void main(String[] args) throws Throwable {
         boolean realasm = false; //从http://forge.ow2.org/projects/asm/ 下载最新asm的src放在 srcasmroot 目录下
-        File srcasmroot = new File("D:/JAVA/JDK源码/JDK9源码/java.base/jdk/internal/org/objectweb/asm");
-        if(realasm)  srcasmroot = new File("D:/JAVA/JDK源码/org/objectweb/asm");
+        File srcasmroot = new File("D:/JAVA/JDK源码/jdk/internal/org/objectweb/asm");
+        if (realasm) srcasmroot = new File("D:/JAVA/JDK源码/org/objectweb/asm");
         File destasmroot = new File("D:/Java-Projects/RedkaleProject/src/org/redkale/asm");
         String line = null;
         LineNumberReader txtin = new LineNumberReader(new FileReader(new File(destasmroot, "asm.txt")));
@@ -32,5 +32,6 @@ public class AsmCreator {
             out.write(content.replace("jdk.internal.org.objectweb", "org.redkale").replace("org.objectweb", "org.redkale").getBytes());
             out.close();
         }
+        //需要屏蔽ClassReader中判断checks the class version的部分
     }
 }