修复HttpResponse.finishFile传输偶尔异常的BUG

README.md

@@ -22,3 +22,7 @@
 &nbsp;&nbsp;&nbsp;由于RedKale使用了JDK 8 内置的ASM包，所以需要在源码工程中的编译器选项中加入： <b>-XDignore.symbol.file=true</b>
 
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>详情请访问:&nbsp;&nbsp;&nbsp;&nbsp;<a href='https://redkale.org' target='_blank'>https://redkale.org</a></h5>
+
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>基本文档:&nbsp;&nbsp;&nbsp;&nbsp;<a href='https://redkale.org/articles.html' target='_blank'>https://redkale.org/articles.html</a></h5>
+
+&nbsp;

bin/apidoc.sh

@@ -4,7 +4,7 @@ export LC_ALL="zh_CN.UTF-8"
 
 APP_HOME=`dirname "$0"`
 
-if [ ! -a "$APP_HOME"/conf/application.xml ]; then 
+if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
      APP_HOME="$APP_HOME"/..  
 fi
 

bin/shutdown.sh

@@ -4,7 +4,7 @@ export LC_ALL="zh_CN.UTF-8"
 
 APP_HOME=`dirname "$0"`
 
-if [ ! -a "$APP_HOME"/conf/application.xml ]; then 
+if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
      APP_HOME="$APP_HOME"/..  
 fi
 

bin/start.sh

@@ -8,7 +8,7 @@ export LC_ALL="zh_CN.UTF-8"
 
 APP_HOME=`dirname "$0"`
 
-if [ ! -a "$APP_HOME"/conf/application.xml ]; then 
+if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
      APP_HOME="$APP_HOME"/..  
 fi
 

conf/application.xml

@@ -10,6 +10,16 @@
         
     <server protocol="HTTP" host="0.0.0.0" port="6060" root="root">      
               
+        <request>
+            <remoteaddr value="request.headers.X-RemoteAddress"/>
+        </request>
+        
+        <response>
+            <defcookie domain="" path=""/>
+            <addheader name="Access-Control-Allow-Origin" value="request.headers.Origin" /> 
+            <setheader name="Access-Control-Allow-Credentials" value="true"/> 
+        </response>
+        
         <services autoload="true"/>
         
         <filters autoload="true"/>

conf/logging.properties

@@ -18,7 +18,7 @@ java.util.logging.FileHandler.limit = 10485760
 java.util.logging.FileHandler.count = 10000
 java.util.logging.FileHandler.encoding = UTF-8
 java.util.logging.FileHandler.pattern = ${APP_HOME}/logs-%m/log-%d.log
-java.util.logging.FileHandler.unusual = ${APP_HOME}/logs-%m/log-warnerr-%u.log
+java.util.logging.FileHandler.unusual = ${APP_HOME}/logs-%m/log-warnerr-%d.log
 java.util.logging.FileHandler.append = true
 
 java.util.logging.ConsoleHandler.level = FINER

conf/persistence.xml

@@ -16,9 +16,9 @@
     <persistence-unit name="user.read" transaction-type="RESOURCE_LOCAL">
         <shared-cache-mode>ALL</shared-cache-mode>
         <properties>
-            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/user?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.url" value="jdbc:oracle:thin:@localhost:1521:orcl"/>
+            <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.driver.OracleDriver"/>
+            <property name="javax.persistence.jdbc.user" value="system"/>
             <property name="javax.persistence.jdbc.password" value="1234"/>
         </properties>
     </persistence-unit>

src/META-INF/application-template.xml

@@ -37,6 +37,7 @@
             threads： 线程总数， 默认: <group>节点数*CPU核数*8
             bufferCapacity: ByteBuffer的初始化大小， 默认: 8K; 
             bufferPoolSize： ByteBuffer池的大小，默认: <group>节点数*CPU核数*8
+            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="8K" bufferPoolSize="32" threads="32"/>
         
@@ -210,11 +211,14 @@
            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
         -->
         <response>
-            <defcookie domain="" path=""/>
+            <defcookie domain="" path=""/>  
             <addheader name="Access-Control-Allow-Origin" value="request.headers.Origin" /> 
-            <setheader name="Access-Control-Allow-Credentials" value="true"/> 
+            <setheader name="Access-Control-Allow-Headers" value="request.headers.Access-Control-Request-Headers"/>
+            <setheader name="Access-Control-Allow-Credentials" value="true"/>
+            <options auto="true" />
         </response>
             
         <!-- 

src/META-INF/logging-template.properties

@@ -15,9 +15,9 @@ com.sun.level = INFO
 java.util.logging.FileHandler.limit = 10485760
 java.util.logging.FileHandler.count = 100
 java.util.logging.FileHandler.encoding = UTF-8
-java.util.logging.FileHandler.pattern = ${APP_HOME}/logs-%m/log-%u.log
+java.util.logging.FileHandler.pattern = ${APP_HOME}/logs-%m/log-%d.log
 #java.util.logging.FileHandler.unusual \u5c5e\u6027\u8868\u793a\u5c06 WARNING\u3001SEVERE \u7ea7\u522b\u7684\u65e5\u5fd7\u590d\u5236\u5199\u5165\u5355\u72ec\u7684\u6587\u4ef6\u4e2d
-java.util.logging.FileHandler.unusual = ${APP_HOME}/logs-%m/log-warnerr-%u.log
+java.util.logging.FileHandler.unusual = ${APP_HOME}/logs-%m/log-warnerr-%d.log
 java.util.logging.FileHandler.append = true
 
 #java.util.logging.ConsoleHandler.level = FINE

src/META-INF/persistence-template.xml

@@ -3,13 +3,15 @@
 <persistence>	
     <!-- 系统基本库 -->
     <persistence-unit name="demouser">
-        <!-- 为NONE表示不启动缓存，@Cacheable 失效； 非NONE值(通常用ALL)表示开启缓存。 -->
-        <shared-cache-mode>NONE</shared-cache-mode>
         <properties>
             <!-- 
                 DataSource的实现类，没有设置默认为org.redkale.source.DataJdbcSource的实现，使用常规基于JDBC的数据库驱动一般无需设置
             -->
             <property name="javax.persistence.datasource" value="org.redkale.source.DataJdbcSource"/>
+            <!-- 
+                是否开启缓存(标记为@Cacheable的Entity类)，值目前只支持两种： ALL: 所有开启缓存。 NONE: 关闭所有缓存
+            -->
+            <property name="javax.persistence.cachemode" value="ALL"/>
             
             <property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/dbuser?characterEncoding=utf8"/>
             <!-- 
@@ -42,7 +44,6 @@
     </persistence-unit>
     <!-- IM消息库 -->
     <persistence-unit name="demoim">
-        <shared-cache-mode>NONE</shared-cache-mode>
         <properties>
             <!-- jdbc:mysql://127.0.0.1:3306/dbim?autoReconnect=true&amp;autoReconnectForPools=true&amp;characterEncoding=utf8 -->
             <property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/dbim?characterEncoding=utf8"/>

src/org/redkale/boot/Application.java

@@ -232,12 +232,14 @@ public final class Application {
         }
         this.logger = Logger.getLogger(this.getClass().getSimpleName());
         this.serversLatch = new CountDownLatch(config.getAnyValues("server").length + 1);
+        this.classLoader = new RedkaleClassLoader(Thread.currentThread().getContextClassLoader());
         logger.log(Level.INFO, "------------------------------- Redkale " + Redkale.getDotedVersion() + " -------------------------------");
         //------------------配置 <transport> 节点 ------------------
         ObjectPool<ByteBuffer> transportPool = null;
         ExecutorService transportExec = null;
         AsynchronousChannelGroup transportGroup = null;
         final AnyValue resources = config.getAnyValue("resources");
+        TransportStrategy strategy = null;
         if (resources != null) {
             AnyValue transportConf = resources.getAnyValue("transport");
             int groupsize = resources.getAnyValues("group").length;
@@ -246,9 +248,9 @@ public final class Application {
                 //--------------transportBufferPool-----------
                 AtomicLong createBufferCounter = new AtomicLong();
                 AtomicLong cycleBufferCounter = new AtomicLong();
-                final int bufferCapacity = transportConf.getIntValue("bufferCapacity", 8 * 1024);
-                final int bufferPoolSize = transportConf.getIntValue("bufferPoolSize", groupsize * Runtime.getRuntime().availableProcessors() * 8);
-                final int threads = transportConf.getIntValue("threads", groupsize * Runtime.getRuntime().availableProcessors() * 8);
+                final int bufferCapacity = Math.max(parseLenth(transportConf.getValue("bufferCapacity"), 8 * 1024), 4 * 1024);
+                final int bufferPoolSize = parseLenth(transportConf.getValue("bufferPoolSize"), groupsize * Runtime.getRuntime().availableProcessors() * 8);
+                final int threads = parseLenth(transportConf.getValue("threads"), groupsize * Runtime.getRuntime().availableProcessors() * 8);
                 transportPool = new ObjectPool<>(createBufferCounter, cycleBufferCounter, bufferPoolSize,
                     (Object... params) -> ByteBuffer.allocateDirect(bufferCapacity), null, (e) -> {
                         if (e == null || e.isReadOnly() || e.capacity() != bufferCapacity) return false;
@@ -257,6 +259,10 @@ public final class Application {
                     });
                 //-----------transportChannelGroup--------------
                 try {
+                    final String strategyClass = transportConf.getValue("strategy");
+                    if (strategyClass != null && !strategyClass.isEmpty()) {
+                        strategy = (TransportStrategy) classLoader.loadClass(strategyClass).newInstance();
+                    }
                     final AtomicInteger counter = new AtomicInteger();
                     transportExec = Executors.newFixedThreadPool(threads, (Runnable r) -> {
                         Thread t = new Thread(r);
@@ -271,8 +277,7 @@ public final class Application {
                 logger.log(Level.INFO, Transport.class.getSimpleName() + " configure bufferCapacity = " + bufferCapacity + "; bufferPoolSize = " + bufferPoolSize + "; threads = " + threads + ";");
             }
         }
-        this.transportFactory = new TransportFactory(transportExec, transportPool, transportGroup);
-        this.classLoader = new RedkaleClassLoader(Thread.currentThread().getContextClassLoader());
+        this.transportFactory = new TransportFactory(transportExec, transportPool, transportGroup, strategy);
         Thread.currentThread().setContextClassLoader(this.classLoader);
         this.serverClassLoader = new RedkaleClassLoader(this.classLoader);
     }
@@ -379,7 +384,7 @@ public final class Application {
                 try {
                     Resource res = field.getAnnotation(Resource.class);
                     if (res == null) return;
-                    if (!(src instanceof WatchService) || Sncp.isRemote((Service) src)) return; //远程模式不得注入 
+                    if (Sncp.isRemote((Service) src)) return; //远程模式不得注入 
                     Class type = field.getType();
                     if (type == Application.class) {
                         field.set(src, application);
@@ -431,7 +436,7 @@ public final class Application {
                 return false;
             }
 
-        }, Application.class, TransportFactory.class, NodeSncpServer.class, NodeHttpServer.class, NodeWatchServer.class);
+        }, Application.class, ResourceFactory.class, TransportFactory.class, NodeSncpServer.class, NodeHttpServer.class, NodeWatchServer.class);
         //--------------------------------------------------------------------------
         initResources();
     }
@@ -758,6 +763,15 @@ public final class Application {
         this.transportFactory.shutdownNow();
     }
 
+    private static int parseLenth(String value, int defValue) {
+        if (value == null) return defValue;
+        value = value.toUpperCase().replace("B", "");
+        if (value.endsWith("G")) return Integer.decode(value.replace("G", "")) * 1024 * 1024 * 1024;
+        if (value.endsWith("M")) return Integer.decode(value.replace("M", "")) * 1024 * 1024;
+        if (value.endsWith("K")) return Integer.decode(value.replace("K", "")) * 1024;
+        return Integer.decode(value);
+    }
+
     private static AnyValue load(final InputStream in0) {
         final DefaultAnyValue any = new DefaultAnyValue();
         try (final InputStream in = in0) {

src/org/redkale/boot/ClassFilter.java

@@ -99,7 +99,11 @@ public final class ClassFilter<T> {
      * @return Set&lt;FilterEntry&lt;T&gt;&gt;
      */
     public final Set<FilterEntry<T>> getFilterEntrys() {
-        return entrys;
+        HashSet<FilterEntry<T>> set = new HashSet<>();
+        set.addAll(entrys);
+        if (ors != null) ors.forEach(f -> set.addAll(f.getFilterEntrys()));
+        if (ands != null) ands.forEach(f -> set.addAll(f.getFilterEntrys()));
+        return set;
     }
 
     /**
@@ -108,7 +112,11 @@ public final class ClassFilter<T> {
      * @return Set&lt;FilterEntry&lt;T&gt;&gt;
      */
     public final Set<FilterEntry<T>> getFilterExpectEntrys() {
-        return expectEntrys;
+        HashSet<FilterEntry<T>> set = new HashSet<>();
+        set.addAll(expectEntrys);
+        if (ors != null) ors.forEach(f -> set.addAll(f.getFilterExpectEntrys()));
+        if (ands != null) ands.forEach(f -> set.addAll(f.getFilterExpectEntrys()));
+        return set;
     }
 
     /**
@@ -118,8 +126,8 @@ public final class ClassFilter<T> {
      */
     public final Set<FilterEntry<T>> getAllFilterEntrys() {
         HashSet<FilterEntry<T>> rs = new HashSet<>();
-        rs.addAll(entrys);
-        rs.addAll(expectEntrys);
+        rs.addAll(getFilterEntrys());
+        rs.addAll(getFilterExpectEntrys());
         return rs;
     }
 
@@ -183,7 +191,7 @@ public final class ClassFilter<T> {
         } catch (Throwable cfe) {
             if (finer && !clazzname.startsWith("sun.") && !clazzname.startsWith("javax.")
                 && !clazzname.startsWith("com.sun.") && !clazzname.startsWith("jdk.")) {
-                //logger.log(Level.FINEST, ClassFilter.class.getSimpleName() + " filter error", cfe);
+                logger.log(Level.FINEST, ClassFilter.class.getSimpleName() + " filter error", cfe);
             }
         }
     }

src/org/redkale/boot/LogFileHandler.java

@@ -22,6 +22,7 @@ import java.util.logging.Formatter;
  *
  * @author zhangjx
  */
+@SuppressWarnings("unchecked")
 public class LogFileHandler extends Handler {
 
     /**

src/org/redkale/boot/NodeHttpServer.java

@@ -122,6 +122,7 @@ public class NodeHttpServer extends NodeServer {
         }, WebSocketNode.class);
     }
 
+    @SuppressWarnings("unchecked")
     protected void loadHttpFilter(final AnyValue filtersConf, final ClassFilter<? extends Filter> classFilter) throws Exception {
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
         final String threadName = "[" + Thread.currentThread().getName() + "] ";
@@ -138,6 +139,7 @@ public class NodeHttpServer extends NodeServer {
         if (sb != null && sb.length() > 0) logger.log(Level.INFO, sb.toString());
     }
 
+    @SuppressWarnings("unchecked")
     protected void loadHttpServlet(final ClassFilter<? extends Servlet> servletFilter, ClassFilter<? extends WebSocket> webSocketFilter) throws Exception {
         final AnyValue servletsConf = this.serverConf.getAnyValue("servlets");
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
@@ -195,6 +197,7 @@ public class NodeHttpServer extends NodeServer {
         if (sb != null && sb.length() > 0) logger.log(Level.INFO, sb.toString().trim());
     }
 
+    @SuppressWarnings("unchecked")
     protected void loadRestServlet(final ClassFilter<? extends WebSocket> webSocketFilter, final AnyValue restConf, final List<Object> restedObjects, final StringBuilder sb) throws Exception {
         if (!rest) return;
         if (restConf == null) return; //不存在REST服务

src/org/redkale/boot/NodeServer.java

@@ -56,7 +56,7 @@ public abstract class NodeServer {
 
     //ClassLoader
     protected RedkaleClassLoader serverClassLoader;
-    
+
     protected final Thread serverThread;
 
     //当前Server的SNCP协议的组
@@ -173,7 +173,7 @@ public abstract class NodeServer {
         final TransportFactory appTranFactory = application.getTransportFactory();
         final AnyValue resources = application.config.getAnyValue("resources");
         final Map<String, AnyValue> cacheResource = new HashMap<>();
-        //final Map<String, AnyValue> dataResources = new HashMap<>();
+        final Map<String, AnyValue> dataResources = new HashMap<>();
         if (resources != null) {
             for (AnyValue sourceConf : resources.getAnyValues("source")) {
                 try {
@@ -183,9 +183,7 @@ public abstract class NodeServer {
                     } else if (CacheSource.class.isAssignableFrom(type)) {
                         cacheResource.put(sourceConf.getValue("name", ""), sourceConf);
                     } else if (DataSource.class.isAssignableFrom(type)) {
-                        //dataResources.put(sourceConf.getValue("name", ""), sourceConf);
-                        //暂时不支持DataSource通过<resources>设置
-                        logger.log(Level.SEVERE, "load application source resource, but not CacheSource error: " + sourceConf);
+                        dataResources.put(sourceConf.getValue("name", ""), sourceConf);
                     } else {
                         logger.log(Level.SEVERE, "load application source resource, but not CacheSource error: " + sourceConf);
                     }
@@ -258,23 +256,32 @@ public abstract class NodeServer {
                     final Service srcService = (Service) src;
                     SncpClient client = Sncp.getSncpClient(srcService);
                     final InetSocketAddress sncpAddr = client == null ? null : client.getClientAddress();
-                    final AnyValue sourceConf = cacheResource.get(resourceName);
-                    final Class sourceType = sourceConf == null ? CacheMemorySource.class : serverClassLoader.loadClass(sourceConf.getValue("type"));
                     final Set<String> groups = new HashSet<>();
                     if (client != null && client.getSameGroup() != null) groups.add(client.getSameGroup());
                     if (client != null && client.getDiffGroups() != null) groups.addAll(client.getDiffGroups());
-                    final CacheSource source = (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
-                    Type genericType = field.getGenericType();
-                    ParameterizedType pt = (genericType instanceof ParameterizedType) ? (ParameterizedType) genericType : null;
-                    Type valType = pt == null ? null : pt.getActualTypeArguments()[1];
-                    if (sourceType == CacheMemorySource.class) {
-                        CacheMemorySource memorySource = (CacheMemorySource) source;
-                        memorySource.setStoreType(pt == null ? Serializable.class : (Class) pt.getActualTypeArguments()[0], valType instanceof Class ? (Class) valType : Object.class);
-                        if (field.getAnnotation(Transient.class) != null) memorySource.setNeedStore(false); //必须在setStoreType之后
+
+                    AnyValue sourceConf = cacheResource.get(resourceName);
+                    if (sourceConf == null) sourceConf = dataResources.get(resourceName);
+                    final Class sourceType = sourceConf == null ? CacheMemorySource.class : serverClassLoader.loadClass(sourceConf.getValue("value"));
+                    Object source;
+                    if (DataSource.class.isAssignableFrom(sourceType)) { // DataSource
+                        source = (DataSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
+                        application.dataSources.add((DataSource) source);
+                        appResFactory.register(resourceName, DataSource.class, source);
+                    } else { // CacheSource
+                        source = (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
+                        Type genericType = field.getGenericType();
+                        ParameterizedType pt = (genericType instanceof ParameterizedType) ? (ParameterizedType) genericType : null;
+                        Type valType = pt == null ? null : pt.getActualTypeArguments()[1];
+                        if (sourceType == CacheMemorySource.class) {
+                            CacheMemorySource memorySource = (CacheMemorySource) source;
+                            memorySource.setStoreType(pt == null ? Serializable.class : (Class) pt.getActualTypeArguments()[0], valType instanceof Class ? (Class) valType : Object.class);
+                            if (field.getAnnotation(Transient.class) != null) memorySource.setNeedStore(false); //必须在setStoreType之后
+                        }
+                        application.cacheSources.add((CacheSource) source);
+                        appResFactory.register(resourceName, genericType, source);
+                        appResFactory.register(resourceName, CacheSource.class, source);
                     }
-                    application.cacheSources.add(source);
-                    appResFactory.register(resourceName, genericType, source);
-                    appResFactory.register(resourceName, CacheSource.class, source);
                     field.set(src, source);
                     rf.inject(source, self); //
                     if (source instanceof Service) ((Service) source).init(sourceConf);
@@ -435,7 +442,7 @@ public abstract class NodeServer {
     }
 
     protected ClassFilter<Service> createServiceClassFilter() {
-        return createClassFilter(this.sncpGroup, null, Service.class, (!isSNCP() || application.watching) ? null : new Class[]{org.redkale.watch.WatchService.class}, Annotation.class, "services", "service");
+        return createClassFilter(this.sncpGroup, null, Service.class, (!isSNCP() && application.watching) ? null : new Class[]{org.redkale.watch.WatchService.class}, Annotation.class, "services", "service");
     }
 
     protected ClassFilter createClassFilter(final String localGroup, Class<? extends Annotation> ref,
@@ -531,7 +538,7 @@ public abstract class NodeServer {
     public void setServerClassLoader(RedkaleClassLoader serverClassLoader) {
         Objects.requireNonNull(this.serverClassLoader);
         this.serverClassLoader = serverClassLoader;
-        this.serverThread.setContextClassLoader(serverClassLoader); 
+        this.serverThread.setContextClassLoader(serverClassLoader);
     }
 
     public InetSocketAddress getSncpAddress() {

src/org/redkale/boot/NodeSncpServer.java

@@ -85,6 +85,7 @@ public class NodeSncpServer extends NodeServer {
         if (sncpServer != null) loadSncpFilter(this.serverConf.getAnyValue("fliters"), filterFilter);
     }
 
+    @SuppressWarnings("unchecked")
     protected void loadSncpFilter(final AnyValue servletsConf, final ClassFilter<? extends Filter> classFilter) throws Exception {
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
         final String threadName = "[" + Thread.currentThread().getName() + "] ";
@@ -106,8 +107,9 @@ public class NodeSncpServer extends NodeServer {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Filter> createFilterClassFilter() {
-        return createClassFilter(null, null, SncpFilter.class, null, null, "filters", "filter");
+        return createClassFilter(null, null, SncpFilter.class, new Class[]{org.redkale.watch.WatchFilter.class}, null, "filters", "filter");
     }
 
     @Override

src/org/redkale/convert/AnyEncoder.java

@@ -35,6 +35,23 @@ public final class AnyEncoder<T> implements Encodeable<Writer, T> {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    public void convertMapTo(final Writer out, final Object... values) {
+        if (values == null) {
+            out.writeNull();
+        } else {
+            int count = values.length - values.length % 2;
+            out.writeMapB(count / 2);
+            for (int i = 0; i < count; i += 2) {
+                if (i > 0) out.writeArrayMark();
+                this.convertTo(out, (T) values[i]);
+                out.writeMapMark();
+                this.convertTo(out, (T) values[i + 1]);
+            }
+            out.writeMapE();
+        }
+    }
+
     @Override
     public Type getType() {
         return Object.class;

src/org/redkale/convert/Convert.java

@@ -40,4 +40,7 @@ public abstract class Convert<R extends Reader, W extends Writer> {
     public abstract ByteBuffer[] convertTo(final Supplier<ByteBuffer> supplier, final Object value);
 
     public abstract ByteBuffer[] convertTo(final Supplier<ByteBuffer> supplier, final Type type, final Object value);
+
+    public abstract ByteBuffer[] convertMapTo(final Supplier<ByteBuffer> supplier, final Object... values);
+
 }

src/org/redkale/convert/bson/BsonConvert.java

@@ -104,6 +104,7 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         return convertFrom(type, bytes, 0, bytes.length);
     }
 
+    @SuppressWarnings("unchecked")
     public <T> T convertFrom(final Type type, final byte[] bytes, final int start, final int len) {
         if (type == null) return null;
         final BsonReader in = readerPool.get();
@@ -114,23 +115,27 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         return rs;
     }
 
+    @SuppressWarnings("unchecked")
     public <T> T convertFrom(final Type type, final InputStream in) {
         if (type == null || in == null) return null;
         return (T) factory.loadDecoder(type).convertFrom(new BsonStreamReader(in));
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T convertFrom(final Type type, final ByteBuffer... buffers) {
         if (type == null || buffers.length < 1) return null;
         return (T) factory.loadDecoder(type).convertFrom(new BsonByteBufferReader((ConvertMask) null, buffers));
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T convertFrom(final Type type, final ConvertMask mask, final ByteBuffer... buffers) {
         if (type == null || buffers.length < 1) return null;
         return (T) factory.loadDecoder(type).convertFrom(new BsonByteBufferReader(mask, buffers));
     }
 
+    @SuppressWarnings("unchecked")
     public <T> T convertFrom(final Type type, final BsonReader reader) {
         if (type == null) return null;
         @SuppressWarnings("unchecked")
@@ -159,6 +164,15 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         return result;
     }
 
+    public byte[] convertMapTo(final Object... values) {
+        if (values == null) return null;
+        final BsonWriter out = writerPool.get().tiny(tiny);
+        ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        byte[] result = out.toArray();
+        writerPool.offer(out);
+        return result;
+    }
+
     public void convertTo(final OutputStream out, final Object value) {
         if (value == null) {
             new BsonStreamWriter(tiny, out).writeNull();
@@ -176,6 +190,14 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         }
     }
 
+    public void convertMapTo(final OutputStream out, final Object... values) {
+        if (values == null) {
+            new BsonStreamWriter(tiny, out).writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(new BsonStreamWriter(tiny, out), values);
+        }
+    }
+
     @Override
     public ByteBuffer[] convertTo(final Supplier<ByteBuffer> supplier, final Object value) {
         if (supplier == null) return null;
@@ -200,6 +222,18 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         return out.toBuffers();
     }
 
+    @Override
+    public ByteBuffer[] convertMapTo(final Supplier<ByteBuffer> supplier, final Object... values) {
+        if (supplier == null) return null;
+        BsonByteBufferWriter out = new BsonByteBufferWriter(tiny, supplier);
+        if (values == null) {
+            out.writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        }
+        return out.toBuffers();
+    }
+
     public void convertTo(final BsonWriter writer, final Object value) {
         if (value == null) {
             writer.writeNull();
@@ -213,6 +247,14 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         factory.loadEncoder(type).convertTo(writer, value);
     }
 
+    public void convertMapTo(final BsonWriter writer, final Object... values) {
+        if (values == null) {
+            writer.writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(writer, values);
+        }
+    }
+
     public BsonWriter convertToWriter(final Object value) {
         if (value == null) return null;
         return convertToWriter(value.getClass(), value);
@@ -225,4 +267,9 @@ public final class BsonConvert extends Convert<BsonReader, BsonWriter> {
         return out;
     }
 
+    public BsonWriter convertMapToWriter(final Object... values) {
+        final BsonWriter out = writerPool.get().tiny(tiny);
+        ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        return out;
+    }
 }

src/org/redkale/convert/bson/BsonReader.java

@@ -87,6 +87,7 @@ public class BsonReader extends Reader {
      * 跳过属性的值
      */
     @Override
+    @SuppressWarnings("unchecked")
     public final void skipValue() {
         if (typeval == 0) return;
         final byte val = this.typeval;

src/org/redkale/convert/ext/DateSimpledCoder.java

@@ -32,7 +32,7 @@ public final class DateSimpledCoder<R extends Reader, W extends Writer> extends
     @Override
     public Date convertFrom(R in) {
         long t = in.readLong();
-        return t == 0 ? null : new Date();
+        return t == 0 ? null : new Date(t);
     }
 
 }

src/org/redkale/convert/ext/InetAddressSimpledCoder.java

@@ -20,6 +20,7 @@ import java.net.*;
  * @param <R> Reader输入的子类型
  * @param <W> Writer输出的子类型
  */
+@SuppressWarnings("unchecked")
 public final class InetAddressSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, InetAddress> {
 
     public static final InetAddressSimpledCoder instance = new InetAddressSimpledCoder();
@@ -50,6 +51,7 @@ public final class InetAddressSimpledCoder<R extends Reader, W extends Writer> e
      * @param <R> Reader输入的子类型
      * @param <W> Writer输出的子类型
      */
+    @SuppressWarnings("unchecked")
     public final static class InetSocketAddressSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, InetSocketAddress> {
 
         public static final InetSocketAddressSimpledCoder instance = new InetSocketAddressSimpledCoder();

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

@@ -149,6 +149,15 @@ public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
         return result;
     }
 
+    public String convertMapTo(final Object... values) {
+        if (values == null) return "null";
+        final JsonWriter out = writerPool.get().tiny(tiny);
+        ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        String result = out.toString();
+        writerPool.offer(out);
+        return result;
+    }
+
     public void convertTo(final OutputStream out, final Object value) {
         if (value == null) {
             new JsonStreamWriter(tiny, out).writeNull();
@@ -166,6 +175,14 @@ public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
         }
     }
 
+    public void convertMapTo(final OutputStream out, final Object... values) {
+        if (values == null) {
+            new JsonStreamWriter(tiny, out).writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(new JsonStreamWriter(tiny, out), values);
+        }
+    }
+
     @Override
     public ByteBuffer[] convertTo(final Supplier<ByteBuffer> supplier, final Object value) {
         if (supplier == null) return null;
@@ -190,6 +207,18 @@ public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
         return out.toBuffers();
     }
 
+    @Override
+    public ByteBuffer[] convertMapTo(final Supplier<ByteBuffer> supplier, final Object... values) {
+        if (supplier == null) return null;
+        JsonByteBufferWriter out = new JsonByteBufferWriter(tiny, null, supplier);
+        if (values == null) {
+            out.writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        }
+        return out.toBuffers();
+    }
+
     public void convertTo(final JsonWriter writer, final Object value) {
         if (value == null) {
             writer.writeNull();
@@ -207,6 +236,14 @@ public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
         }
     }
 
+    public void convertMapTo(final JsonWriter writer, final Object... values) {
+        if (values == null) {
+            writer.writeNull();
+        } else {
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(writer, values);
+        }
+    }
+
     public JsonWriter convertToWriter(final Object value) {
         if (value == null) return null;
         return convertToWriter(value.getClass(), value);
@@ -218,4 +255,10 @@ public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
         factory.loadEncoder(type).convertTo(out, value);
         return out;
     }
+
+    public JsonWriter convertMapToWriter(final Object... values) {
+        final JsonWriter out = writerPool.get().tiny(tiny);
+        ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
+        return out;
+    }
 }

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

@@ -20,6 +20,7 @@ import org.redkale.util.*;
  *
  * @author zhangjx
  */
+@SuppressWarnings("unchecked")
 public final class JsonFactory extends ConvertFactory<JsonReader, JsonWriter> {
 
     private static final JsonFactory instance = new JsonFactory(null, Boolean.getBoolean("convert.json.tiny"));

src/org/redkale/net/PrepareServlet.java

@@ -118,6 +118,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void init(C context, AnyValue config) {
         synchronized (filters) {
             if (!filters.isEmpty()) {
@@ -136,6 +137,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void destroy(C context, AnyValue config) {
         synchronized (filters) {
             if (!filters.isEmpty()) {
@@ -146,6 +148,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         }
     }
 
+    @SuppressWarnings("unchecked")
     public void addFilter(Filter<C, R, P> filter, AnyValue conf) {
         filter._conf = conf;
         synchronized (filters) {
@@ -176,6 +179,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         return false;
     }
 
+    @SuppressWarnings("unchecked")
     public <T extends Filter<C, R, P>> T removeFilter(Predicate<T> predicate) {
         if (this.headFilter == null || predicate == null) return null;
         synchronized (filters) {
@@ -198,10 +202,12 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         }
     }
 
+    @SuppressWarnings("unchecked")
     public <T extends Filter<C, R, P>> List<T> getFilters() {
         return (List) new ArrayList<>(filters);
     }
 
+    @SuppressWarnings("unchecked")
     public abstract void addServlet(S servlet, Object attachment, AnyValue conf, K... mappings);
 
     public final void prepare(final ByteBuffer buffer, final R request, final P response) throws IOException {

src/org/redkale/net/Request.java

@@ -51,6 +51,7 @@ public abstract class Request<C extends Context> {
      * 返回值：Integer.MIN_VALUE: 帧数据； -1：数据不合法； 0：解析完毕； &gt;0: 需再读取的字节数。
      *
      * @param buffer ByteBuffer对象
+     *
      * @return 缺少的字节数
      */
     protected abstract int readHeader(ByteBuffer buffer);
@@ -59,6 +60,7 @@ public abstract class Request<C extends Context> {
      * 读取buffer，并返回读取的有效数据长度
      *
      * @param buffer ByteBuffer对象
+     *
      * @return 有效数据长度
      */
     protected abstract int readBody(ByteBuffer buffer);
@@ -82,8 +84,9 @@ public abstract class Request<C extends Context> {
         return (T) properties.get(name);
     }
 
+    @SuppressWarnings("unchecked")
     protected <T> T removeProperty(String name) {
-        return (T)properties.remove(name);
+        return (T) properties.remove(name);
     }
 
     protected Map<String, Object> getProperties() {
@@ -100,8 +103,9 @@ public abstract class Request<C extends Context> {
         return (T) attributes.get(name);
     }
 
+    @SuppressWarnings("unchecked")
     public <T> T removeAttribute(String name) {
-        return (T)attributes.remove(name);
+        return (T) attributes.remove(name);
     }
 
     public Map<String, Object> getAttributes() {

src/org/redkale/net/Response.java

@@ -9,6 +9,7 @@ import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.channels.CompletionHandler;
 import java.util.function.BiConsumer;
+import java.util.logging.Level;
 
 /**
  * 协议响应对象
@@ -113,8 +114,7 @@ public abstract class Response<C extends Context, R extends Request<C>> {
             try {
                 recycleListener.accept(request, this);
             } catch (Exception e) {
-                System.err.println(request);
-                e.printStackTrace();
+                context.logger.log(Level.WARNING, "Response.recycleListener error, request = " + request, e);
             }
             recycleListener = null;
         }

src/org/redkale/net/Server.java

@@ -99,11 +99,11 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         this.config = config;
         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.backlog = config.getIntValue("backlog", 8 * 1024);
         this.readTimeoutSecond = config.getIntValue("readTimeoutSecond", 0);
         this.writeTimeoutSecond = config.getIntValue("writeTimeoutSecond", 0);
-        this.maxbody = config.getIntValue("maxbody", 64 * 1024);
-        int bufCapacity = config.getIntValue("bufferCapacity", 8 * 1024);
+        this.backlog = parseLenth(config.getValue("backlog"), 8 * 1024);
+        this.maxbody = parseLenth(config.getValue("maxbody"), 64 * 1024);
+        int bufCapacity = parseLenth(config.getValue("bufferCapacity"), 8 * 1024);
         this.bufferCapacity = bufCapacity < 256 ? 256 : bufCapacity;
         this.threads = config.getIntValue("threads", Runtime.getRuntime().availableProcessors() * 16);
         this.bufferPoolSize = config.getIntValue("bufferPoolSize", Runtime.getRuntime().availableProcessors() * 512);
@@ -120,6 +120,24 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         });
     }
 
+    protected static int parseLenth(String value, int defValue) {
+        if (value == null) return defValue;
+        value = value.toUpperCase().replace("B", "");
+        if (value.endsWith("G")) return Integer.decode(value.replace("G", "")) * 1024 * 1024 * 1024;
+        if (value.endsWith("M")) return Integer.decode(value.replace("M", "")) * 1024 * 1024;
+        if (value.endsWith("K")) return Integer.decode(value.replace("K", "")) * 1024;
+        return Integer.decode(value);
+    }
+
+    protected static long parseLenth(String value, long defValue) {
+        if (value == null) return defValue;
+        value = value.toUpperCase().replace("B", "");
+        if (value.endsWith("G")) return Long.decode(value.replace("G", "")) * 1024 * 1024 * 1024;
+        if (value.endsWith("M")) return Long.decode(value.replace("M", "")) * 1024 * 1024;
+        if (value.endsWith("K")) return Long.decode(value.replace("K", "")) * 1024;
+        return Long.decode(value);
+    }
+
     public void destroy(final AnyValue config) throws Exception {
         this.prepare.destroy(context, config);
     }

src/org/redkale/net/Transport.java

@@ -11,6 +11,8 @@ import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.function.Supplier;
+import org.redkale.convert.*;
+import org.redkale.convert.json.JsonConvert;
 import org.redkale.util.*;
 
 /**
@@ -52,19 +54,24 @@ public final class Transport {
 
     protected final InetSocketAddress clientAddress;
 
-    protected InetSocketAddress[] remoteAddres = new InetSocketAddress[0];
+    protected TransportAddress[] transportAddres = new TransportAddress[0];
 
     protected final ObjectPool<ByteBuffer> bufferPool;
 
+    //负载均衡策略
+    protected final TransportStrategy strategy;
+
     protected final ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> connPool = new ConcurrentHashMap<>();
 
     public Transport(String name, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
-        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
-        this(name, DEFAULT_PROTOCOL, subprotocol, transportBufferPool, transportChannelGroup, clientAddress, addresses);
+        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
+        final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
+        this(name, DEFAULT_PROTOCOL, subprotocol, transportBufferPool, transportChannelGroup, clientAddress, addresses, strategy);
     }
 
     public Transport(String name, String protocol, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
-        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
+        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
+        final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
         this.name = name;
         this.subprotocol = subprotocol == null ? "" : subprotocol.trim();
         this.protocol = protocol;
@@ -72,32 +79,38 @@ public final class Transport {
         this.group = transportChannelGroup;
         this.bufferPool = transportBufferPool;
         this.clientAddress = clientAddress;
+        this.strategy = strategy;
         updateRemoteAddresses(addresses);
     }
 
     public final InetSocketAddress[] updateRemoteAddresses(final Collection<InetSocketAddress> addresses) {
-        InetSocketAddress[] oldAddresses = this.remoteAddres;
-        List<InetSocketAddress> list = new ArrayList<>();
+        TransportAddress[] oldAddresses = this.transportAddres;
+        List<TransportAddress> list = new ArrayList<>();
         if (addresses != null) {
             for (InetSocketAddress addr : addresses) {
                 if (clientAddress != null && clientAddress.equals(addr)) continue;
-                list.add(addr);
+                list.add(new TransportAddress(addr));
             }
         }
-        this.remoteAddres = list.toArray(new InetSocketAddress[list.size()]);
-        return oldAddresses;
+        this.transportAddres = list.toArray(new TransportAddress[list.size()]);
+
+        InetSocketAddress[] rs = new InetSocketAddress[oldAddresses.length];
+        for (int i = 0; i < rs.length; i++) {
+            rs[i] = oldAddresses[i].getAddress();
+        }
+        return rs;
     }
 
     public final boolean addRemoteAddresses(final InetSocketAddress addr) {
         if (addr == null) return false;
         synchronized (this) {
-            if (this.remoteAddres == null) {
-                this.remoteAddres = new InetSocketAddress[]{addr};
+            if (this.transportAddres == null) {
+                this.transportAddres = new TransportAddress[]{new TransportAddress(addr)};
             } else {
-                for (InetSocketAddress i : this.remoteAddres) {
-                    if (addr.equals(i)) return false;
+                for (TransportAddress i : this.transportAddres) {
+                    if (addr.equals(i.address)) return false;
                 }
-                this.remoteAddres = Utility.append(remoteAddres, addr);
+                this.transportAddres = Utility.append(transportAddres, new TransportAddress(addr));
             }
             return true;
         }
@@ -105,9 +118,9 @@ public final class Transport {
 
     public final boolean removeRemoteAddresses(InetSocketAddress addr) {
         if (addr == null) return false;
-        if (this.remoteAddres == null) return false;
+        if (this.transportAddres == null) return false;
         synchronized (this) {
-            this.remoteAddres = Utility.remove(remoteAddres, addr);
+            this.transportAddres = Utility.remove(transportAddres, new TransportAddress(addr));
         }
         return true;
     }
@@ -128,13 +141,25 @@ public final class Transport {
         return clientAddress;
     }
 
+    public TransportAddress[] getTransportAddresses() {
+        return transportAddres;
+    }
+
     public InetSocketAddress[] getRemoteAddresses() {
-        return remoteAddres;
+        InetSocketAddress[] rs = new InetSocketAddress[transportAddres.length];
+        for (int i = 0; i < rs.length; i++) {
+            rs[i] = transportAddres[i].getAddress();
+        }
+        return rs;
+    }
+
+    public ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> getAsyncConnectionPool() {
+        return connPool;
     }
 
     @Override
     public String toString() {
-        return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteAddres = " + Arrays.toString(remoteAddres) + "}";
+        return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteAddres = " + Arrays.toString(transportAddres) + "}";
     }
 
     public ByteBuffer pollBuffer() {
@@ -158,32 +183,57 @@ public final class Transport {
     }
 
     public AsyncConnection pollConnection(SocketAddress addr) {
-        if (addr == null && remoteAddres.length == 1) addr = remoteAddres[0];
+        if (this.strategy != null) return strategy.pollConnection(addr, this);
+        if (addr == null && this.transportAddres.length == 1) addr = this.transportAddres[0].address;
         final boolean rand = addr == null;
-        if (rand && remoteAddres.length < 1) throw new RuntimeException("Transport (" + this.name + ") have no remoteAddress list");
+        if (rand && this.transportAddres.length < 1) throw new RuntimeException("Transport (" + this.name + ") have no remoteAddress list");
         try {
             if (tcp) {
                 AsynchronousSocketChannel channel = null;
                 if (rand) {   //取地址
-                    for (int i = 0; i < remoteAddres.length; i++) {
-                        addr = remoteAddres[i];
-                        BlockingQueue<AsyncConnection> queue = connPool.get(addr);
-                        if (queue != null && !queue.isEmpty()) {
+                    TransportAddress transportAddr;
+                    boolean tryed = false;
+                    for (int i = 0; i < transportAddres.length; i++) {
+                        transportAddr = transportAddres[i];
+                        addr = transportAddr.address;
+                        if (!transportAddr.enable) continue;
+                        final BlockingQueue<AsyncConnection> queue = transportAddr.conns;
+                        if (!queue.isEmpty()) {
                             AsyncConnection conn;
                             while ((conn = queue.poll()) != null) {
                                 if (conn.isOpen()) return conn;
                             }
                         }
+                        tryed = true;
                         if (channel == null) {
                             channel = AsynchronousSocketChannel.open(group);
                             if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
                         }
                         try {
                             channel.connect(addr).get(2, TimeUnit.SECONDS);
+                            transportAddr.enable = true;
                             break;
                         } catch (Exception iex) {
-                            iex.printStackTrace();
-                            if (i == remoteAddres.length - 1) channel = null;
+                            transportAddr.enable = false;
+                            channel = null;
+                        }
+                    }
+                    if (channel == null && !tryed) {
+                        for (int i = 0; i < transportAddres.length; i++) {
+                            transportAddr = transportAddres[i];
+                            addr = transportAddr.address;
+                            if (channel == null) {
+                                channel = AsynchronousSocketChannel.open(group);
+                                if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                            }
+                            try {
+                                channel.connect(addr).get(2, TimeUnit.SECONDS);
+                                transportAddr.enable = true;
+                                break;
+                            } catch (Exception iex) {
+                                transportAddr.enable = false;
+                                channel = null;
+                            }
                         }
                     }
                 } else {
@@ -194,7 +244,7 @@ public final class Transport {
                 if (channel == null) return null;
                 return AsyncConnection.create(channel, addr, 3000, 3000);
             } else { // UDP
-                if (rand) addr = remoteAddres[0];
+                if (rand) addr = this.transportAddres[0].address;
                 DatagramChannel channel = DatagramChannel.open();
                 channel.configureBlocking(true);
                 channel.connect(addr);
@@ -256,4 +306,54 @@ public final class Transport {
         });
     }
 
+    public static class TransportAddress {
+
+        protected InetSocketAddress address;
+
+        protected volatile boolean enable;
+
+        protected final BlockingQueue<AsyncConnection> conns = new ArrayBlockingQueue<>(MAX_POOL_LIMIT);
+
+        public TransportAddress(InetSocketAddress address) {
+            this.address = address;
+            this.enable = true;
+        }
+
+        @java.beans.ConstructorProperties({"address", "enable"})
+        public TransportAddress(InetSocketAddress address, boolean enable) {
+            this.address = address;
+            this.enable = enable;
+        }
+
+        public InetSocketAddress getAddress() {
+            return address;
+        }
+
+        public boolean isEnable() {
+            return enable;
+        }
+
+        @ConvertColumn(ignore = true)
+        public BlockingQueue<AsyncConnection> getConns() {
+            return conns;
+        }
+
+        @Override
+        public int hashCode() {
+            return this.address.hashCode();
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) return true;
+            if (obj == null) return false;
+            if (getClass() != obj.getClass()) return false;
+            final TransportAddress other = (TransportAddress) obj;
+            return this.address.equals(other.address);
+        }
+
+        public String toString() {
+            return JsonConvert.root().convertTo(this);
+        }
+    }
 }

src/org/redkale/net/TransportFactory.java

@@ -43,10 +43,19 @@ public class TransportFactory {
 
     protected final List<WeakReference<Service>> services = new CopyOnWriteArrayList<>();
 
-    public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
+    //负载均衡策略
+    protected final TransportStrategy strategy;
+
+    public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        final TransportStrategy strategy) {
         this.executor = executor;
         this.bufferPool = bufferPool;
         this.channelGroup = channelGroup;
+        this.strategy = strategy;
+    }
+
+    public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
+        this(executor, bufferPool, channelGroup, null);
     }
 
     public String findGroupName(InetSocketAddress addr) {
@@ -127,14 +136,14 @@ public class TransportFactory {
         }
         if (info == null) return null;
         if (sncpAddress != null) addresses.remove(sncpAddress);
-        return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, addresses);
+        return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, addresses, this.strategy);
     }
 
     private Transport loadTransport(final String groupName, InetSocketAddress sncpAddress) {
         if (groupName == null) return null;
         TransportGroupInfo info = groupInfos.get(groupName);
         if (info == null) return null;
-        return new Transport(groupName, info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, info.addresses);
+        return new Transport(groupName, info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, info.addresses, this.strategy);
     }
 
     public ExecutorService getExecutor() {

src/org/redkale/net/TransportStrategy.java

@@ -0,0 +1,21 @@
+/*
+ * 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.net.SocketAddress;
+
+/**
+ * 远程请求的负载均衡策略
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface TransportStrategy {
+
+    public AsyncConnection pollConnection(SocketAddress addr, Transport transport);
+}

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

@@ -53,6 +53,7 @@ public class HttpContext extends Context {
         return responsePool;
     }
 
+    @SuppressWarnings("unchecked")
     protected <H extends AsyncHandler> Creator<H> loadAsyncHandlerCreator(Class<H> handlerClass) {
         Creator<H> creator = asyncHandlerCreators.get(handlerClass);
         if (creator == null) {
@@ -62,6 +63,7 @@ public class HttpContext extends Context {
         return creator;
     }
 
+    @SuppressWarnings("unchecked")
     private <H extends AsyncHandler> Creator<H> createAsyncHandlerCreator(Class<H> handlerClass) {
         //生成规则与SncpAsyncHandler.Factory 很类似
         //------------------------------------------------------------- 

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

@@ -235,6 +235,10 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
         try {
             final String uri = request.getRequestURI();
             HttpServlet servlet;
+            if (response.isAutoOptions() && "OPTIONS".equals(request.getMethod())) {
+                response.finish(200, null);
+                return;
+            }
             if (request.isWebSocket()) {
                 servlet = wsmappings.get(uri);
                 if (servlet == null && this.regWsArray != null) {

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

@@ -32,7 +32,7 @@ public class HttpRequest extends Request<HttpContext> {
 
     protected static final Charset UTF8 = Charset.forName("UTF-8");
 
-    protected static final String SESSIONID_NAME = "JSESSIONID";
+    public static final String SESSIONID_NAME = "JSESSIONID";
 
     @Comment("Method GET/POST/...")
     private String method;
@@ -121,7 +121,6 @@ public class HttpRequest extends Request<HttpContext> {
         } else {
             this.requestURI = array.toDecodeString(index, offset - index, charset).trim();
         }
-        if (this.requestURI.contains("../")) return -1;
         index = ++offset;
         this.protocol = array.toString(index, array.size() - index, charset).trim();
         while (readLine(buffer, array)) {
@@ -889,6 +888,15 @@ public class HttpRequest extends Request<HttpContext> {
     }
 
     //------------------------------------------------------------------------------
+    /**
+     * 获取请求Header总对象
+     *
+     * @return AnyValue
+     */
+    public AnyValue getHeaders() {
+        return header;
+    }
+
     /**
      * 获取所有的header名
      *
@@ -1087,6 +1095,16 @@ public class HttpRequest extends Request<HttpContext> {
     }
 
     //------------------------------------------------------------------------------
+    /**
+     * 获取请求参数总对象
+     *
+     * @return AnyValue
+     */
+    public AnyValue getParameters() {
+        parseBody();
+        return params;
+    }
+
     /**
      * 获取所有参数名
      *

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

@@ -192,6 +192,11 @@ public class HttpResourceServlet extends HttpServlet {
     @Override
     public void execute(HttpRequest request, HttpResponse response) throws IOException {
         String uri = request.getRequestURI();
+        if (uri.contains("../")) {
+            if (finest) logger.log(Level.FINEST, "Not found resource (404) be " + uri + ", request = " + request);
+            response.finish404();
+            return;
+        }
         if (locationRewrites != null) {
             for (SimpleEntry<Pattern, String> entry : locationRewrites) {
                 Matcher matcher = entry.getKey().matcher(uri);

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

@@ -42,7 +42,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         public ByteBuffer[] execute(final HttpResponse response, final ByteBuffer[] buffers);
     }
 
-    private static final ByteBuffer buffer304 = ByteBuffer.wrap("HTTP/1.1 304 Not Modified\r\n\r\n".getBytes()).asReadOnlyBuffer();
+    private static final ByteBuffer buffer304 = ByteBuffer.wrap("HTTP/1.1 304 Not Modified\r\nContent-Length:0\r\n\r\n".getBytes()).asReadOnlyBuffer();
 
     private static final ByteBuffer buffer404 = ByteBuffer.wrap("HTTP/1.1 404 Not Found\r\nContent-Length:0\r\n\r\n".getBytes()).asReadOnlyBuffer();
 
@@ -125,17 +125,21 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     private final String[][] defaultSetHeaders;
 
+    private final boolean autoOptions;
+
     private final HttpCookie defcookie;
 
     public static ObjectPool<Response> createPool(AtomicLong creatCounter, AtomicLong cycleCounter, int max, Creator<Response> creator) {
         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) {
+    public HttpResponse(HttpContext context, HttpRequest request, String[][] defaultAddHeaders, String[][] defaultSetHeaders,
+        HttpCookie defcookie, boolean autoOptions) {
         super(context, request);
         this.defaultAddHeaders = defaultAddHeaders;
         this.defaultSetHeaders = defaultSetHeaders;
         this.defcookie = defcookie;
+        this.autoOptions = autoOptions;
     }
 
     @Override
@@ -145,6 +149,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     @Override
     protected boolean recycle() {
+        boolean rs = super.recycle();
         this.status = 200;
         this.contentLength = -1;
         this.contentType = null;
@@ -152,7 +157,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         this.headsended = false;
         this.header.clear();
         this.bufferHandler = null;
-        return super.recycle();
+        return rs;
     }
 
     @Override
@@ -181,10 +186,15 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected void thenEvent(Servlet servlet) {
         this.servlet = servlet;
     }
 
+    protected boolean isAutoOptions() {
+        return this.autoOptions;
+    }
+
     /**
      * 增加Cookie值
      *
@@ -239,6 +249,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      *
      * @return AsyncHandler AsyncHandler
      */
+    @SuppressWarnings("unchecked")
     public <H extends AsyncHandler> H createAsyncHandler(Class<H> handlerClass) {
         if (handlerClass == null || handlerClass == AsyncHandler.class) return (H) createAsyncHandler();
         return context.loadAsyncHandlerCreator(handlerClass).create(createAsyncHandler());
@@ -255,6 +266,18 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         finish(request.getJsonConvert().convertTo(context.getBufferSupplier(), obj));
     }
 
+    /**
+     * 将对象数组用Map的形式以JSON格式输出 <br>
+     * 例如: finishMap("a",2,"b",3) 输出结果为 {"a":2,"b":3}
+     *
+     * @param objs 输出对象
+     */
+    public void finishMapJson(final Object... objs) {
+        this.contentType = "text/plain; charset=utf-8";
+        if (this.recycleListener != null) this.output = objs;
+        finish(request.getJsonConvert().convertMapTo(context.getBufferSupplier(), objs));
+    }
+
     /**
      * 将对象以JSON格式输出
      *
@@ -267,6 +290,19 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         finish(convert.convertTo(context.getBufferSupplier(), obj));
     }
 
+    /**
+     * 将对象数组用Map的形式以JSON格式输出 <br>
+     * 例如: finishMap("a",2,"b",3) 输出结果为 {"a":2,"b":3}
+     *
+     * @param convert 指定的JsonConvert
+     * @param objs    输出对象
+     */
+    public void finishMapJson(final JsonConvert convert, final Object... objs) {
+        this.contentType = "text/plain; charset=utf-8";
+        if (this.recycleListener != null) this.output = objs;
+        finish(convert.convertMapTo(context.getBufferSupplier(), objs));
+    }
+
     /**
      * 将对象以JSON格式输出
      *
@@ -349,6 +385,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param convert 指定的JsonConvert
      * @param future  输出对象的句柄
      */
+    @SuppressWarnings("unchecked")
     public void finishJson(final JsonConvert convert, final CompletableFuture future) {
         future.whenComplete((v, e) -> {
             if (e != null) {
@@ -373,6 +410,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param type    指定的类型
      * @param future  输出对象的句柄
      */
+    @SuppressWarnings("unchecked")
     public void finishJson(final JsonConvert convert, final Type type, final CompletableFuture future) {
         future.whenComplete((v, e) -> {
             if (e != null) {
@@ -407,6 +445,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param convert 指定的JsonConvert
      * @param result  HttpResult对象
      */
+    @SuppressWarnings("unchecked")
     public void finishJson(final JsonConvert convert, final HttpResult result) {
         if (output == null) {
             finish("");
@@ -439,6 +478,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         if (isClosed()) return;
         if (this.recycleListener != null) this.output = obj;
         if (obj == null || obj.isEmpty()) {
+            this.contentLength = 0;
             final ByteBuffer headbuf = createHeader();
             headbuf.flip();
             super.finish(headbuf);
@@ -704,8 +744,8 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         final String match = request.getHeader("If-None-Match");
         final String etag = (file == null ? 0L : file.lastModified()) + "-" + length;
         if (match != null && etag.equals(match)) {
-            finish304();
-            return;
+            //finish304();
+            //return;
         }
         this.contentLength = length;
         if (filename != null && !filename.isEmpty() && file != null) {
@@ -733,18 +773,20 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         ByteBuffer hbuffer = createHeader();
         hbuffer.flip();
         if (fileBody == null) {
+            if (this.recycleListener != null) this.output = file;
             finishFile(hbuffer, file, start, len);
         } else {
             if (start >= 0) {
                 fileBody.position((int) start);
                 if (len > 0) fileBody.limit((int) (fileBody.position() + len));
             }
+            if (this.recycleListener != null) this.output = fileBody;
             super.finish(hbuffer, fileBody);
         }
     }
 
     private void finishFile(ByteBuffer hbuffer, File file, long offset, long length) throws IOException {
-        this.channel.write(hbuffer, hbuffer, new TransferFileHandler(AsynchronousFileChannel.open(file.toPath(), options, ((HttpContext) context).getExecutor()), offset, length));
+        this.channel.write(hbuffer, hbuffer, new TransferFileHandler(file, offset, length));
     }
 
     private ByteBuffer createHeader() {
@@ -754,7 +796,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
         buffer.put(("Content-Type: " + (this.contentType == null ? "text/plain; charset=utf-8" : this.contentType) + "\r\n").getBytes());
 
-        if (this.contentLength > 0) {
+        if (this.contentLength >= 0) {
             buffer.put(("Content-Length: " + this.contentLength + "\r\n").getBytes());
         }
         if (!this.request.isKeepAlive()) {
@@ -976,54 +1018,76 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     protected final class TransferFileHandler implements AsyncHandler<Integer, ByteBuffer> {
 
+        private final File file;
+
         private final AsynchronousFileChannel filechannel;
 
         private final long max; //需要读取的字节数， -1表示读到文件结尾
 
         private long count;//读取文件的字节数
 
-        private long position = 0;
+        private long readpos = 0;
 
-        private boolean next = false;
+        private boolean hdwrite = true; //写入Header
 
-        private boolean read = true;
+        private boolean read = false;
 
-        public TransferFileHandler(AsynchronousFileChannel channel) {
-            this.filechannel = channel;
-            this.max = -1;
+        public TransferFileHandler(File file) throws IOException {
+            this.file = file;
+            this.filechannel = AsynchronousFileChannel.open(file.toPath(), options, ((HttpContext) context).getExecutor());
+            this.readpos = 0;
+            this.max = file.length();
         }
 
-        public TransferFileHandler(AsynchronousFileChannel channel, long offset, long len) {
-            this.filechannel = channel;
-            this.position = offset <= 0 ? 0 : offset;
-            this.max = len;
+        public TransferFileHandler(File file, long offset, long len) throws IOException {
+            this.file = file;
+            this.filechannel = AsynchronousFileChannel.open(file.toPath(), options, ((HttpContext) context).getExecutor());
+            this.readpos = offset <= 0 ? 0 : offset;
+            this.max = len <= 0 ? file.length() : len;
         }
 
         @Override
         public void completed(Integer result, ByteBuffer attachment) {
-            if (result < 0 || (max > 0 && count >= max)) {
+            //(Utility.now() + "---" + Thread.currentThread().getName() + "-----------" + file + "-------------------result: " + result + ", max = " + max + ", readpos = " + readpos + ", count = " + count + ", " + (hdwrite ? "正在写Header" : (read ? "准备读" : "准备写")));
+            if (result < 0 || count >= max) {
                 failed(null, attachment);
                 return;
             }
+            if (hdwrite && attachment.hasRemaining()) { //Header还没写完
+                channel.write(attachment, attachment, this);
+                return;
+            }
+            if (hdwrite) {
+                //(Utility.now() + "---" + Thread.currentThread().getName() + "-----------" + file + "-------------------Header写入完毕， 准备读取文件.");
+                hdwrite = false;
+                read = true;
+                result = 0;
+            }
+            if (read) {
+                count += result;
+            } else {
+                readpos += result;
+            }
+            if (read && attachment.hasRemaining()) { //Buffer还没写完
+                channel.write(attachment, attachment, this);
+                return;
+            }
+
             if (read) {
                 read = false;
-                if (next) {
-                    position += result;
-                } else {
-                    next = true;
-                }
                 attachment.clear();
-                filechannel.read(attachment, position, attachment, this);
+                filechannel.read(attachment, readpos, attachment, this);
             } else {
                 read = true;
-                if (max > 0) {
-                    count += result;
-                    if (count > max) {
-                        attachment.limit((int) (attachment.position() + max - count));
-                    }
+                if (count > max) {
+                    attachment.limit((int) (attachment.position() + max - count));
                 }
                 attachment.flip();
-                channel.write(attachment, attachment, this);
+                if (attachment.hasRemaining()) {
+                    channel.write(attachment, attachment, this);
+                } else {
+                    failed(null, attachment);
+                }
             }
         }
 

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

@@ -10,6 +10,7 @@ import java.net.HttpCookie;
 import java.nio.ByteBuffer;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.logging.Level;
 import org.redkale.net.*;
 import org.redkale.net.sncp.Sncp;
 import org.redkale.service.Service;
@@ -216,6 +217,7 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
      *
      * @return RestServlet
      */
+    @SuppressWarnings("unchecked")
     public <S extends Service, T extends HttpServlet> T addRestServlet(final ClassLoader classLoader, final String name, final S service, final Class userType, final Class<T> baseServletType, final String prefix) {
         T servlet = null;
         final boolean sncp = Sncp.isSncpDyn(service);
@@ -231,8 +233,7 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
                     break;
                 }
             } catch (NoSuchFieldException | SecurityException e) {
-                System.err.println("serviceType = " + serviceType + ", servletClass = " + item.getClass());
-                e.printStackTrace();
+                logger.log(Level.SEVERE, "serviceType = " + serviceType + ", servletClass = " + item.getClass(), e);
             }
         }
         final boolean first = servlet == null;
@@ -280,6 +281,8 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
             });
         final List<String[]> defaultAddHeaders = new ArrayList<>();
         final List<String[]> defaultSetHeaders = new ArrayList<>();
+        boolean autoOptions = false;
+
         HttpCookie defaultCookie = null;
         String remoteAddrHeader = null;
         if (config != null) {
@@ -342,10 +345,15 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
                         defaultCookie.setPath(path);
                     }
                 }
+                AnyValue options = resps == null ? null : resps.getAnyValue("options");
+                autoOptions = options != null && options.getBoolValue("auto", false);
             }
+
         }
         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;
+
         final HttpCookie defCookie = defaultCookie;
         final String addrHeader = remoteAddrHeader;
         AtomicLong createResponseCounter = new AtomicLong();
@@ -353,7 +361,7 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         ObjectPool<Response> responsePool = HttpResponse.createPool(createResponseCounter, cycleResponseCounter, this.responsePoolSize, null);
         HttpContext httpcontext = new HttpContext(this.serverStartTime, this.logger, executor, rcapacity, bufferPool, responsePool,
             this.maxbody, this.charset, this.address, this.prepare, this.readTimeoutSecond, this.writeTimeoutSecond);
-        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), addHeaders, setHeaders, defCookie));
+        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), addHeaders, setHeaders, defCookie, options));
         return httpcontext;
     }
 

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

@@ -81,6 +81,7 @@ public class HttpServlet extends Servlet<HttpContext, HttpRequest, HttpResponse>
         }
     };
 
+    @SuppressWarnings("unchecked")
     void preInit(HttpContext context, AnyValue config) {
         String path = _prefix == null ? "" : _prefix;
         WebServlet ws = this.getClass().getAnnotation(WebServlet.class);

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

@@ -92,7 +92,16 @@ public final class Rest {
             return new MethodVisitor(Opcodes.ASM5) {
                 @Override
                 public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
-                    if (index > 0) fieldnames.add(name);
+                    if (index < 1) return;
+                    int size = fieldnames.size();
+                    //index并不会按顺序执行的
+                    if (index > size) {
+                        for (int i = size; i < index; i++) {
+                            fieldnames.add(" ");
+                        }
+                        fieldnames.set(index - 1, name);
+                    }
+                    fieldnames.set(index - 1, name);
                 }
             };
         }
@@ -121,6 +130,7 @@ public final class Rest {
             childFactory.register(rc.type(), true, rc.ignoreColumns());
             childFactory.reloadCoder(rc.type());
             types.add(rc.type());
+            childFactory.tiny(rc.tiny());
         }
         return childFactory.getConvert();
     }
@@ -328,6 +338,13 @@ public final class Rest {
             mv.visitMaxs(2, 1);
             mv.visitEnd();
         }
+        { //resourceName
+            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "resourceName", "()Ljava/lang/String;", null, null));
+            mv.visitLdcInsn(rws.name());
+            mv.visitInsn(ARETURN);
+            mv.visitMaxs(1, 1);
+            mv.visitEnd();
+        }
 
         RestClassLoader newLoader = new RestClassLoader(loader);
 

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

@@ -24,6 +24,8 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
 @Repeatable(RestConvert.RestConverts.class)
 public @interface RestConvert {
 
+    boolean tiny() default true;
+
     Class type();
 
     String[] ignoreColumns() default {};

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

@@ -12,6 +12,7 @@ import java.nio.ByteBuffer;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.function.Supplier;
+import java.util.logging.*;
 import java.util.stream.Stream;
 import org.redkale.convert.Convert;
 import org.redkale.util.Comment;
@@ -82,6 +83,8 @@ public abstract class WebSocket<G extends Serializable, T> {
 
     private long createtime = System.currentTimeMillis();
 
+    private long pingtime;
+
     private Map<String, Object> attributes = new HashMap<>(); //非线程安全
 
     protected WebSocket() {
@@ -89,11 +92,13 @@ public abstract class WebSocket<G extends Serializable, T> {
 
     //----------------------------------------------------------------
     public final CompletableFuture<Integer> sendPing() {
+        this.pingtime = System.currentTimeMillis();
         //if (_engine.finest) _engine.logger.finest(this + " on "+_engine.getEngineid()+" ping...");
         return sendPacket(WebSocketPacket.DEFAULT_PING_PACKET);
     }
 
     public final CompletableFuture<Integer> sendPing(byte[] data) {
+        this.pingtime = System.currentTimeMillis();
         return sendPacket(new WebSocketPacket(FrameType.PING, data));
     }
 
@@ -478,6 +483,25 @@ public abstract class WebSocket<G extends Serializable, T> {
     public void onClose(int code, String reason) {
     }
 
+    /**
+     * 发生异常时调用
+     *
+     * @param t       异常
+     * @param buffers ByteBuffer[]
+     */
+    public void onOccurException(Throwable t, ByteBuffer[] buffers) {
+        this.getLogger().log(Level.SEVERE, "WebSocket receive or send Message error", t);
+    }
+
+    /**
+     * 获取Logger
+     *
+     * @return Logger Logger
+     */
+    public Logger getLogger() {
+        return this._engine.logger;
+    }
+
     /**
      * 获取最后一次发送消息的时间
      *
@@ -487,6 +511,15 @@ public abstract class WebSocket<G extends Serializable, T> {
         return this._runner == null ? 0 : this._runner.lastSendTime;
     }
 
+    /**
+     * 获取最后一次发送PING消息的时间
+     *
+     * @return long
+     */
+    public long getLastPingTime() {
+        return this.pingtime;
+    }
+
     /**
      * 显式地关闭WebSocket
      */

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

@@ -10,6 +10,7 @@ import java.io.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
+import java.util.function.Predicate;
 import java.util.logging.*;
 import java.util.stream.*;
 import org.redkale.convert.Convert;
@@ -23,18 +24,18 @@ import org.redkale.util.*;
  *
  * @author zhangjx
  */
-public final class WebSocketEngine {
+public class WebSocketEngine {
 
-    //全局自增长ID
+    @Comment("全局自增长ID, 为了确保在一个进程里多个WebSocketEngine定时发送ping时不会同时进行")
     private static final AtomicInteger sequence = new AtomicInteger();
 
-    //Engine自增长序号ID
+    @Comment("Engine自增长序号ID")
     private final int index;
 
-    //当前WebSocket对应的Engine
+    @Comment("当前WebSocket对应的Engine")
     private final String engineid;
 
-    //当前WebSocket对应的Node
+    @Comment("当前WebSocket对应的Node")
     protected final WebSocketNode node;
 
     //HttpContext
@@ -43,23 +44,25 @@ public final class WebSocketEngine {
     //Convert
     protected final Convert sendConvert;
 
-    protected final boolean single; //是否单用户单连接
+    @Comment("是否单用户单连接")
+    protected final boolean single;
 
-    //在线用户ID对应的WebSocket组，用于单用户单连接模式
+    @Comment("在线用户ID对应的WebSocket组，用于单用户单连接模式")
     private final Map<Serializable, WebSocket> websockets = new ConcurrentHashMap<>();
 
-    //在线用户ID对应的WebSocket组，用于单用户多连接模式
+    @Comment("在线用户ID对应的WebSocket组，用于单用户多连接模式")
     private final Map<Serializable, List<WebSocket>> websockets2 = new ConcurrentHashMap<>();
 
-    //用于PING的定时器
+    @Comment("用于PING的定时器")
     private ScheduledThreadPoolExecutor scheduler;
 
-    //日志
+    @Comment("日志")
     protected final Logger logger;
 
-    //FINEST日志级别
+    @Comment("日志级别")
     protected final boolean finest;
 
+    @Comment("PING的间隔秒数")
     private int liveinterval;
 
     protected WebSocketEngine(String engineid, boolean single, HttpContext context, int liveinterval, WebSocketNode node, Convert sendConvert, Logger logger) {
@@ -70,8 +73,8 @@ public final class WebSocketEngine {
         this.node = node;
         this.liveinterval = liveinterval;
         this.logger = logger;
-        this.index = sequence.getAndIncrement();
         this.finest = logger.isLoggable(Level.FINEST);
+        this.index = sequence.getAndIncrement();
     }
 
     void init(AnyValue conf) {
@@ -96,6 +99,7 @@ public final class WebSocketEngine {
         if (scheduler != null) scheduler.shutdownNow();
     }
 
+    @Comment("添加WebSocket")
     void add(WebSocket socket) {
         if (single) {
             websockets.put(socket._userid, socket);
@@ -110,6 +114,7 @@ public final class WebSocketEngine {
         if (node != null) node.connect(socket._userid);
     }
 
+    @Comment("从WebSocketEngine删除指定WebSocket")
     void remove(WebSocket socket) {
         Serializable userid = socket._userid;
         if (single) {
@@ -127,9 +132,15 @@ public final class WebSocketEngine {
         }
     }
 
+    @Comment("给所有连接用户发送消息")
     public CompletableFuture<Integer> broadcastMessage(final Object message, final boolean last) {
+        return broadcastMessage(null, message, last);
+    }
+
+    @Comment("给指定WebSocket连接用户发送消息")
+    public CompletableFuture<Integer> broadcastMessage(final Predicate<WebSocket> predicate, final Object message, final boolean last) {
         if (message instanceof CompletableFuture) {
-            return ((CompletableFuture) message).thenCompose((json) -> broadcastMessage(json, last));
+            return ((CompletableFuture) message).thenCompose((json) -> broadcastMessage(predicate, json, last));
         }
         final boolean more = (!(message instanceof WebSocketPacket) || ((WebSocketPacket) message).sendBuffers == null);
         if (more) {
@@ -140,11 +151,13 @@ public final class WebSocketEngine {
             CompletableFuture<Integer> future = null;
             if (single) {
                 for (WebSocket websocket : websockets.values()) {
+                    if (predicate != null && !predicate.test(websocket)) continue;
                     future = future == null ? websocket.sendPacket(packet) : future.thenCombine(websocket.sendPacket(packet), (a, b) -> a | (Integer) b);
                 }
             } else {
                 for (List<WebSocket> list : websockets2.values()) {
                     for (WebSocket websocket : list) {
+                        if (predicate != null && !predicate.test(websocket)) continue;
                         future = future == null ? websocket.sendPacket(packet) : future.thenCombine(websocket.sendPacket(packet), (a, b) -> a | (Integer) b);
                     }
                 }
@@ -155,11 +168,13 @@ public final class WebSocketEngine {
             CompletableFuture<Integer> future = null;
             if (single) {
                 for (WebSocket websocket : websockets.values()) {
+                    if (predicate != null && !predicate.test(websocket)) continue;
                     future = future == null ? websocket.send(message, last) : future.thenCombine(websocket.send(message, last), (a, b) -> a | (Integer) b);
                 }
             } else {
                 for (List<WebSocket> list : websockets2.values()) {
                     for (WebSocket websocket : list) {
+                        if (predicate != null && !predicate.test(websocket)) continue;
                         future = future == null ? websocket.send(message, last) : future.thenCombine(websocket.send(message, last), (a, b) -> a | (Integer) b);
                     }
                 }
@@ -168,6 +183,7 @@ public final class WebSocketEngine {
         }
     }
 
+    @Comment("给指定用户组发送消息")
     public CompletableFuture<Integer> sendMessage(final Object message, final boolean last, final Serializable... userids) {
         if (message instanceof CompletableFuture) {
             return ((CompletableFuture) message).thenCompose((json) -> sendMessage(json, last, userids));
@@ -217,21 +233,33 @@ public final class WebSocketEngine {
         }
     }
 
-    Collection<WebSocket> getLocalWebSockets() {
+    @Comment("获取所有连接")
+    public Collection<WebSocket> getLocalWebSockets() {
         if (single) return websockets.values();
         List<WebSocket> list = new ArrayList<>();
         websockets2.values().forEach(x -> list.addAll(x));
         return list;
     }
 
-    //适用于单用户单连接模式
+    @Comment("获取当前连接总数")
+    public int getLocalWebSocketSize() {
+        if (single) return websockets.size();
+        return (int) websockets2.values().stream().mapToInt(sublist -> sublist.size()).count();
+    }
+
+    @Comment("获取当前用户总数")
+    public int getLocalUserSize() {
+        return single ? websockets.size() : websockets2.size();
+    }
+
+    @Comment("适用于单用户单连接模式")
     public WebSocket findLocalWebSocket(Serializable userid) {
         if (single) return websockets.get(userid);
         List<WebSocket> list = websockets2.get(userid);
         return (list == null || list.isEmpty()) ? null : list.get(list.size() - 1);
     }
 
-    //适用于单用户多连接模式
+    @Comment("适用于单用户多连接模式")
     public Stream<WebSocket> getLocalWebSockets(Serializable userid) {
         if (single) {
             WebSocket websocket = websockets.get(userid);

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

@@ -26,6 +26,12 @@ import org.redkale.util.*;
  */
 public abstract class WebSocketNode {
 
+    @Comment("存储当前SNCP节点列表的key")
+    public static final String SOURCE_SNCP_NODES_KEY = "redkale_sncpnodes";
+
+    @Comment("存储当前用户数量的key")
+    public static final String SOURCE_USER_COUNT_KEY = "redkale_usercount";
+
     protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
 
     protected final boolean finest = logger.isLoggable(Level.FINEST);
@@ -57,7 +63,9 @@ public abstract class WebSocketNode {
         if (this.localEngine == null) return;
         //关掉所有本地本地WebSocket
         this.localEngine.getLocalWebSockets().forEach(g -> disconnect(g.getUserid()));
-        if (sncpNodeAddresses != null && localSncpAddress != null) sncpNodeAddresses.removeSetItem("redkale_sncpnodes", localSncpAddress);
+        if (sncpNodeAddresses != null && localSncpAddress != null) {
+            sncpNodeAddresses.removeSetItem(SOURCE_SNCP_NODES_KEY, localSncpAddress);
+        }
     }
 
     protected abstract CompletableFuture<List<String>> getWebSocketAddresses(@RpcTargetAddress InetSocketAddress targetAddress, Serializable userid);
@@ -140,7 +148,55 @@ public abstract class WebSocketNode {
         });
     }
 
+    /**
+     * 判断指定用户是否WebSocket在线
+     *
+     * @param userid Serializable
+     *
+     * @return boolean
+     */
+    public CompletableFuture<Boolean> existsWebSocket(final Serializable userid) {
+        if (this.localEngine != null && this.sncpNodeAddresses == null) {
+            return CompletableFuture.completedFuture(this.localEngine.existsLocalWebSocket(userid));
+        }
+        return this.sncpNodeAddresses.existsAsync(userid);
+    }
+
+    /**
+     * 获取在线用户总数
+     *
+     *
+     * @return boolean
+     */
+    public CompletableFuture<Integer> getUserSize() {
+        if (this.localEngine != null && this.sncpNodeAddresses == null) {
+            return CompletableFuture.completedFuture(this.localEngine.getLocalUserSize());
+        }
+        return this.sncpNodeAddresses.getKeySizeAsync().thenCompose(count -> {
+            return sncpNodeAddresses.existsAsync(SOURCE_SNCP_NODES_KEY).thenApply(exists -> exists ? (count - 1) : count);
+        });
+    }
+
     //--------------------------------------------------------------------------------
+    /**
+     * 获取本地的WebSocketEngine，没有则返回null
+     *
+     *
+     * @return WebSocketEngine
+     */
+    public final WebSocketEngine getLocalWebSocketEngine() {
+        return this.localEngine;
+    }
+
+    /**
+     * 向指定用户发送消息，先发送本地连接，再发送远程连接  <br>
+     * 如果当前WebSocketNode是远程模式，此方法只发送远程连接
+     *
+     * @param message 消息内容
+     * @param userids Serializable[]
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
     public final CompletableFuture<Integer> sendMessage(Object message, final Serializable... userids) {
         return sendMessage(message, true, userids);
     }
@@ -155,7 +211,6 @@ public abstract class WebSocketNode {
      *
      * @return 为0表示成功， 其他值表示部分发送异常
      */
-    //最近连接发送逻辑还没有理清楚 
     public final CompletableFuture<Integer> sendMessage(final Object message, final boolean last, final Serializable... userids) {
         if (userids == null || userids.length < 1) return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
         if (this.localEngine != null && this.sncpNodeAddresses == null) { //本地模式且没有分布式

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

@@ -112,7 +112,7 @@ public final class WebSocketPacket {
     ByteBuffer[] duplicateSendBuffers() {
         ByteBuffer[] rs = new ByteBuffer[this.sendBuffers.length];
         for (int i = 0; i < this.sendBuffers.length; i++) {
-            rs[i] = this.sendBuffers[i].duplicate();
+            rs[i] = this.sendBuffers[i].duplicate().asReadOnlyBuffer(); //必须使用asReadOnlyBuffer， 否则会导致ByteBuffer对应的byte[]被ObjectPool回收两次
         }
         return rs;
     }

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

@@ -17,6 +17,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.BiConsumer;
 import java.util.logging.*;
 import org.redkale.convert.Convert;
+import org.redkale.util.Utility;
 
 /**
  * WebSocket的消息接收发送器, 一个WebSocket对应一个WebSocketRunner
@@ -99,8 +100,17 @@ class WebSocketRunner implements Runnable {
                         }
 
                         try {
-                            WebSocketPacket packet = new WebSocketPacket().decode(context.getLogger(), readBuffer, exBuffers);
-
+                            WebSocketPacket packet;
+                            try {
+                                packet = new WebSocketPacket().decode(context.getLogger(), readBuffer, exBuffers);
+                            } catch (Exception e) { //接收的消息体解析失败
+                                webSocket.onOccurException(e, Utility.append(new ByteBuffer[]{readBuffer}, exBuffers == null ? new ByteBuffer[0] : exBuffers));
+                                if (readBuffer != null) {
+                                    readBuffer.clear();
+                                    channel.read(readBuffer, null, this);
+                                }
+                                return;
+                            }
                             if (packet == null) {
                                 failed(null, attachment1);
                                 if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on decode WebSocketPacket, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
@@ -121,7 +131,17 @@ class WebSocketRunner implements Runnable {
                                         context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
                                     }
                                 } else {
-                                    Object message = textConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
+                                    Object message;
+                                    try {
+                                        message = textConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
+                                    } catch (Exception e) { //接收的消息体解析失败
+                                        webSocket.onOccurException(e, packet.receiveBuffers);
+                                        if (readBuffer != null) {
+                                            readBuffer.clear();
+                                            channel.read(readBuffer, null, this);
+                                        }
+                                        return;
+                                    }
                                     if (readBuffer != null) {
                                         readBuffer.clear();
                                         channel.read(readBuffer, null, this);
@@ -150,7 +170,17 @@ class WebSocketRunner implements Runnable {
                                         context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
                                     }
                                 } else {
-                                    Object message = binaryConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
+                                    Object message;
+                                    try {
+                                        message = binaryConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
+                                    } catch (Exception e) {  //接收的消息体解析失败
+                                        webSocket.onOccurException(e, packet.receiveBuffers);
+                                        if (readBuffer != null) {
+                                            readBuffer.clear();
+                                            channel.read(readBuffer, null, this);
+                                        }
+                                        return;
+                                    }
                                     if (readBuffer != null) {
                                         readBuffer.clear();
                                         channel.read(readBuffer, null, this);

src/org/redkale/service/WebSocketNodeService.java

@@ -68,7 +68,7 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
     @Override
     public CompletableFuture<Void> connect(Serializable userid, InetSocketAddress sncpAddr) {
         CompletableFuture<Void> future = sncpNodeAddresses.appendSetItemAsync(userid, sncpAddr);
-        future = future.thenAccept((a) -> sncpNodeAddresses.appendSetItemAsync("redkale_sncpnodes", sncpAddr));
+        future = future.thenAccept((a) -> sncpNodeAddresses.appendSetItemAsync(SOURCE_SNCP_NODES_KEY, sncpAddr));
         if (finest) logger.finest(WebSocketNodeService.class.getSimpleName() + ".event: " + userid + " connect from " + sncpAddr);
         return future;
     }

src/org/redkale/source/CacheMemorySource.java

@@ -348,13 +348,13 @@ public class CacheMemorySource<K extends Serializable, V extends Object> extends
     }
 
     @Override
-    public long getCollectionSize(final K key) {
+    public int getCollectionSize(final K key) {
         Collection<V> collection = (Collection<V>) get(key);
         return collection == null ? 0 : collection.size();
     }
 
     @Override
-    public CompletableFuture<Long> getCollectionSizeAsync(final K key) {
+    public CompletableFuture<Integer> getCollectionSizeAsync(final K key) {
         return CompletableFuture.supplyAsync(() -> getCollectionSize(key), getExecutor());
     }
 
@@ -443,6 +443,11 @@ public class CacheMemorySource<K extends Serializable, V extends Object> extends
         return new ArrayList<>(container.keySet());
     }
 
+    @Override
+    public int getKeySize() {
+        return container.size();
+    }
+
     @Override
     public CompletableFuture<List<CacheEntry<K, Object>>> queryListAsync() {
         return CompletableFuture.completedFuture(new ArrayList<>(container.values()));
@@ -458,4 +463,8 @@ public class CacheMemorySource<K extends Serializable, V extends Object> extends
         return CompletableFuture.completedFuture(new ArrayList<>(container.keySet()));
     }
 
+    @Override
+    public CompletableFuture<Integer> getKeySizeAsync() {
+        return CompletableFuture.completedFuture(container.size());
+    }
 }

src/org/redkale/source/CacheSource.java

@@ -45,7 +45,7 @@ public interface CacheSource<K extends Serializable, V extends Object> {
 
     public Collection<V> getCollection(final K key);
 
-    public long getCollectionSize(final K key);
+    public int getCollectionSize(final K key);
 
     public Collection<V> getCollectionAndRefresh(final K key, final int expireSeconds);
 
@@ -59,6 +59,8 @@ public interface CacheSource<K extends Serializable, V extends Object> {
 
     public List<K> queryKeys();
 
+    public int getKeySize();
+
     public List<CacheEntry<K, Object>> queryList();
 
     //---------------------- CompletableFuture 异步版 ---------------------------------
@@ -80,7 +82,7 @@ public interface CacheSource<K extends Serializable, V extends Object> {
 
     public CompletableFuture<Collection<V>> getCollectionAsync(final K key);
 
-    public CompletableFuture<Long> getCollectionSizeAsync(final K key);
+    public CompletableFuture<Integer> getCollectionSizeAsync(final K key);
 
     public CompletableFuture<Collection<V>> getCollectionAndRefreshAsync(final K key, final int expireSeconds);
 
@@ -94,6 +96,8 @@ public interface CacheSource<K extends Serializable, V extends Object> {
 
     public CompletableFuture<List<K>> queryKeysAsync();
 
+    public CompletableFuture<Integer> getKeySizeAsync();
+
     public CompletableFuture<List<CacheEntry<K, Object>>> queryListAsync();
 
     default CompletableFuture<Boolean> isOpenAsync() {

src/org/redkale/source/DataJdbcSource.java

@@ -15,6 +15,7 @@ import java.util.function.*;
 import java.util.logging.*;
 import javax.annotation.Resource;
 import org.redkale.service.*;
+import static org.redkale.source.DataSources.*;
 import org.redkale.util.*;
 
 /**
@@ -29,35 +30,35 @@ import org.redkale.util.*;
 @AutoLoad(false)
 @SuppressWarnings("unchecked")
 @ResourceType(DataSource.class)
-public class DataJdbcSource extends AbstractService implements DataSource, Service, DataCacheListener, Function<Class, EntityInfo>, AutoCloseable, Resourcable {
+public class DataJdbcSource extends AbstractService implements DataSource, DataCacheListener, Function<Class, EntityInfo>, AutoCloseable, Resourcable {
 
-    private static final Flipper FLIPPER_ONE = new Flipper(1);
+    protected static final Flipper FLIPPER_ONE = new Flipper(1);
 
-    final Logger logger = Logger.getLogger(DataJdbcSource.class.getSimpleName());
+    protected final Logger logger = Logger.getLogger(DataJdbcSource.class.getSimpleName());
 
-    final AtomicBoolean debug = new AtomicBoolean(logger.isLoggable(Level.FINEST));
+    protected final AtomicBoolean debug = new AtomicBoolean(logger.isLoggable(Level.FINEST));
 
-    final String name;
+    protected final String name;
 
-    final URL conf;
+    protected final URL conf;
 
-    final boolean cacheForbidden;
+    protected final boolean cacheForbidden;
 
-    private final PoolJdbcSource readPool;
+    protected final PoolJdbcSource readPool;
 
-    private final PoolJdbcSource writePool;
+    protected final PoolJdbcSource writePool;
 
     @Resource(name = "$")
-    private DataCacheListener cacheListener;
+    protected DataCacheListener cacheListener;
 
-    private final BiFunction<DataSource, Class, List> fullloader = (s, t) -> querySheet(false, false, t, null, null, (FilterNode) null).list(true);
+    protected final BiFunction<DataSource, Class, List> fullloader = (s, t) -> querySheet(false, false, t, null, null, (FilterNode) null).list(true);
 
     public DataJdbcSource(String unitName, Properties readprop, Properties writeprop) {
         this.name = unitName;
         this.conf = null;
         this.readPool = new PoolJdbcSource(this, "read", readprop);
         this.writePool = new PoolJdbcSource(this, "write", writeprop);
-        this.cacheForbidden = "NONE".equalsIgnoreCase(readprop.getProperty("shared-cache-mode"));
+        this.cacheForbidden = "NONE".equalsIgnoreCase(readprop.getProperty(JDBC_CACHE_MODE));
     }
 
     @Override
@@ -71,15 +72,15 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         writePool.close();
     }
 
-    private Connection createReadSQLConnection() {
+    protected Connection createReadSQLConnection() {
         return readPool.poll();
     }
 
-    private <T> Connection createWriteSQLConnection() {
+    protected <T> Connection createWriteSQLConnection() {
         return writePool.poll();
     }
 
-    private void closeSQLConnection(final Connection sqlconn) {
+    protected void closeSQLConnection(final Connection sqlconn) {
         if (sqlconn == null) return;
         try {
             sqlconn.close();
@@ -93,7 +94,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return loadEntityInfo(t);
     }
 
-    private <T> EntityInfo<T> loadEntityInfo(Class<T> clazz) {
+    protected <T> EntityInfo<T> loadEntityInfo(Class<T> clazz) {
         return EntityInfo.load(clazz, this.cacheForbidden, this.readPool.props, this, fullloader);
     }
 
@@ -150,7 +151,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.runAsync(() -> insert(values), getExecutor());
     }
 
-    private <T> void insert(final Connection conn, final EntityInfo<T> info, T... values) {
+    protected <T> void insert(final Connection conn, final EntityInfo<T> info, T... values) {
         if (values.length == 0) return;
         try {
             if (!info.isVirtualEntity()) {
@@ -251,7 +252,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         }
     }
 
-    private <T> PreparedStatement createInsertPreparedStatement(final Connection conn, final String sql,
+    protected <T> PreparedStatement createInsertPreparedStatement(final Connection conn, final String sql,
         final EntityInfo<T> info, T... values) throws SQLException {
         Attribute<T, Serializable>[] attrs = info.insertAttributes;
         final PreparedStatement prestmt = info.autoGenerated ? conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS) : conn.prepareStatement(sql);
@@ -328,7 +329,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> delete(values), getExecutor());
     }
 
-    private <T> int delete(final Connection conn, final EntityInfo<T> info, T... values) {
+    protected <T> int delete(final Connection conn, final EntityInfo<T> info, T... values) {
         if (values.length == 0) return -1;
         final Attribute primary = info.getPrimary();
         Serializable[] ids = new Serializable[values.length];
@@ -358,7 +359,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> delete(clazz, ids), getExecutor());
     }
 
-    private <T> int delete(final Connection conn, final EntityInfo<T> info, Serializable... keys) {
+    protected <T> int delete(final Connection conn, final EntityInfo<T> info, Serializable... keys) {
         if (keys.length == 0) return -1;
         int c = -1;
         int c2 = 0;
@@ -430,7 +431,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> delete(clazz, flipper, node), getExecutor());
     }
 
-    private <T> int delete(final Connection conn, final EntityInfo<T> info, final Flipper flipper, final FilterNode node) {
+    protected <T> int delete(final Connection conn, final EntityInfo<T> info, final Flipper flipper, final FilterNode node) {
         int c = -1;
         try {
             if (!info.isVirtualEntity()) {
@@ -447,7 +448,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
                 }
                 String sql = "DELETE " + (this.readPool.isMysql() ? "a" : "") + " FROM " + info.getTable(node) + " a" + (join1 == null ? "" : (", " + join1))
                     + ((where == null || where.length() == 0) ? (join2 == null ? "" : (" WHERE " + join2))
-                    : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2)))) + info.createSQLOrderby(flipper)
+                        : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2)))) + info.createSQLOrderby(flipper)
                     + ((flipper == null || flipper.getLimit() < 1) ? "" : (" LIMIT " + flipper.getLimit()));
                 if (debug.get() && info.isLoggable(Level.FINEST)) logger.finest(info.getType().getSimpleName() + " delete sql=" + sql);
                 conn.setReadOnly(false);
@@ -521,7 +522,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> update(values), getExecutor());
     }
 
-    private <T> int update(final Connection conn, final EntityInfo<T> info, T... values) {
+    protected <T> int update(final Connection conn, final EntityInfo<T> info, T... values) {
         try {
             Class clazz = info.getType();
             int c = -1;
@@ -617,7 +618,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(clazz, id, column, value), getExecutor());
     }
 
-    private <T> int updateColumn(Connection conn, final EntityInfo<T> info, Serializable id, String column, final Serializable value) {
+    protected <T> int updateColumn(Connection conn, final EntityInfo<T> info, Serializable id, String column, final Serializable value) {
         try {
             int c = -1;
             if (!info.isVirtualEntity()) {
@@ -684,7 +685,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(clazz, column, value, node), getExecutor());
     }
 
-    private <T> int updateColumn(Connection conn, final EntityInfo<T> info, String column, final Serializable value, FilterNode node) {
+    protected <T> int updateColumn(Connection conn, final EntityInfo<T> info, String column, final Serializable value, FilterNode node) {
         try {
             int c = -1;
             if (!info.isVirtualEntity()) {
@@ -703,7 +704,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
                     String sql = "UPDATE " + info.getTable(node) + " a " + (join1 == null ? "" : (", " + join1))
                         + " SET " + info.getSQLColumn("a", column) + " = ?"
                         + ((where == null || where.length() == 0) ? (join2 == null ? "" : (" WHERE " + join2))
-                        : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
+                            : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
                     if (debug.get() && info.isLoggable(Level.FINEST)) logger.finest(info.getType().getSimpleName() + " update sql=" + sql);
                     conn.setReadOnly(false);
                     Blob blob = conn.createBlob();
@@ -716,7 +717,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
                     String sql = "UPDATE " + info.getTable(node) + " a " + (join1 == null ? "" : (", " + join1))
                         + " SET " + info.getSQLColumn("a", column) + " = " + info.formatToString(value)
                         + ((where == null || where.length() == 0) ? (join2 == null ? "" : (" WHERE " + join2))
-                        : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
+                            : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
                     if (debug.get() && info.isLoggable(Level.FINEST)) logger.finest(info.getType().getSimpleName() + " update sql=" + sql);
                     conn.setReadOnly(false);
                     final Statement stmt = conn.createStatement();
@@ -766,7 +767,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(clazz, id, values), getExecutor());
     }
 
-    private <T> int updateColumn(final Connection conn, final EntityInfo<T> info, final Serializable id, final ColumnValue... values) {
+    protected <T> int updateColumn(final Connection conn, final EntityInfo<T> info, final Serializable id, final ColumnValue... values) {
         if (values == null || values.length < 1) return -1;
         try {
             StringBuilder setsql = new StringBuilder();
@@ -882,7 +883,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(clazz, node, flipper, values), getExecutor());
     }
 
-    private <T> int updateColumn(final Connection conn, final EntityInfo<T> info, final FilterNode node, final Flipper flipper, final ColumnValue... values) {
+    protected <T> int updateColumn(final Connection conn, final EntityInfo<T> info, final FilterNode node, final Flipper flipper, final ColumnValue... values) {
         if (values == null || values.length < 1) return -1;
         try {
             StringBuilder setsql = new StringBuilder();
@@ -921,7 +922,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
                 }
                 String sql = "UPDATE " + info.getTable(node) + " a " + (join1 == null ? "" : (", " + join1)) + " SET " + setsql
                     + ((where == null || where.length() == 0) ? (join2 == null ? "" : (" WHERE " + join2))
-                    : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
+                        : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
                 //注：LIMIT 仅支持MySQL 且在多表关联式会异常， 该BUG尚未解决
                 sql += info.createSQLOrderby(flipper) + ((flipper == null || flipper.getLimit() < 1) ? "" : (" LIMIT " + flipper.getLimit()));
                 if (debug.get() && info.isLoggable(Level.FINEST)) logger.finest(info.getType().getSimpleName() + " update sql=" + sql);
@@ -992,7 +993,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(bean, selects), getExecutor());
     }
 
-    private <T> int updateColumns(final Connection conn, final EntityInfo<T> info, final T bean, final SelectColumn selects) {
+    protected <T> int updateColumns(final Connection conn, final EntityInfo<T> info, final T bean, final SelectColumn selects) {
         if (bean == null || selects == null) return -1;
         try {
             final Class<T> clazz = (Class<T>) bean.getClass();
@@ -1068,7 +1069,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> updateColumn(bean, node, selects), getExecutor());
     }
 
-    private <T> int updateColumns(final Connection conn, final EntityInfo<T> info, final T bean, final FilterNode node, final SelectColumn selects) {
+    protected <T> int updateColumns(final Connection conn, final EntityInfo<T> info, final T bean, final FilterNode node, final SelectColumn selects) {
         if (bean == null || node == null || selects == null) return -1;
         try {
             final Class<T> clazz = (Class<T>) bean.getClass();
@@ -1107,7 +1108,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
                 }
                 String sql = "UPDATE " + info.getTable(node) + " a " + (join1 == null ? "" : (", " + join1)) + " SET " + setsql
                     + ((where == null || where.length() == 0) ? (join2 == null ? "" : (" WHERE " + join2))
-                    : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
+                        : (" WHERE " + where + (join2 == null ? "" : (" AND " + join2))));
                 if (debug.get() && info.isLoggable(Level.FINEST)) logger.finest(info.getType().getSimpleName() + " update sql=" + sql);
                 conn.setReadOnly(false);
                 if (blobs != null) {
@@ -1877,7 +1878,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> queryColumnSheet(selectedColumn, clazz, flipper, node), getExecutor());
     }
 
-    private <T, V extends Serializable> Sheet<V> queryColumnSheet(final boolean needtotal, final String selectedColumn, final Class<T> clazz, final Flipper flipper, final FilterNode node) {
+    protected <T, V extends Serializable> Sheet<V> queryColumnSheet(final boolean needtotal, final String selectedColumn, final Class<T> clazz, final Flipper flipper, final FilterNode node) {
         Sheet<T> sheet = querySheet(true, needtotal, clazz, SelectColumn.createIncludes(selectedColumn), flipper, node);
         final Sheet<V> rs = new Sheet<>();
         if (sheet.isEmpty()) return rs;
@@ -2083,7 +2084,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return CompletableFuture.supplyAsync(() -> querySheet(clazz, selects, flipper, node), getExecutor());
     }
 
-    private <T> Sheet<T> querySheet(final boolean readcache, final boolean needtotal, final Class<T> clazz, final SelectColumn selects, final Flipper flipper, final FilterNode node) {
+    protected <T> Sheet<T> querySheet(final boolean readcache, final boolean needtotal, final Class<T> clazz, final SelectColumn selects, final Flipper flipper, final FilterNode node) {
         final EntityInfo<T> info = loadEntityInfo(clazz);
         final EntityCache<T> cache = info.getCache();
         if (readcache && cache != null && cache.isFullLoaded()) {
@@ -2134,7 +2135,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         }
     }
 
-    private static StringBuilder multisplit(char ch1, char ch2, String split, StringBuilder sb, String str, int from) {
+    protected static StringBuilder multisplit(char ch1, char ch2, String split, StringBuilder sb, String str, int from) {
         if (str == null) return sb;
         int pos1 = str.indexOf(ch1, from);
         if (pos1 < 0) return sb;
@@ -2145,7 +2146,7 @@ public class DataJdbcSource extends AbstractService implements DataSource, Servi
         return multisplit(ch1, ch2, split, sb, str, pos2 + 1);
     }
 
-    private int[] directExecute(final Connection conn, String... sqls) {
+    protected int[] directExecute(final Connection conn, String... sqls) {
         if (sqls.length == 0) return new int[0];
         try {
             conn.setReadOnly(false);

src/org/redkale/source/DataSources.java

@@ -21,6 +21,8 @@ public final class DataSources {
 
     public static final String JDBC_DATASOURCE_CLASS = "javax.persistence.datasource";
 
+    public static final String JDBC_CACHE_MODE = "javax.persistence.cachemode";
+
     public static final String JDBC_CONNECTIONSMAX = "javax.persistence.connections.limit";
 
     public static final String JDBC_CONTAIN_SQLTEMPLATE = "javax.persistence.contain.sqltemplate";
@@ -104,7 +106,7 @@ public final class DataSources {
         }
     }
 
-    static Map<String, Properties> loadPersistenceXml(final InputStream in0) {
+    public static Map<String, Properties> loadPersistenceXml(final InputStream in0) {
         final Map<String, Properties> map = new LinkedHashMap();
         Properties result = new Properties();
         boolean flag = false;
@@ -122,8 +124,8 @@ public final class DataSources {
                         String value = reader.getAttributeValue(null, "value");
                         if (name == null) continue;
                         result.put(name, value);
-                    } else if (flag && "shared-cache-mode".equalsIgnoreCase(reader.getLocalName())) {
-                        result.put(reader.getLocalName(), reader.getElementText());
+                    } else if (flag && "shared-cache-mode".equalsIgnoreCase(reader.getLocalName())) { //兼容shared-cache-mode属性
+                        result.put(JDBC_CACHE_MODE, reader.getElementText());
                     }
                 }
             }

src/org/redkale/source/EntityInfo.java

@@ -5,14 +5,13 @@
  */
 package org.redkale.source;
 
-import com.sun.istack.internal.logging.Logger;
 import java.io.Serializable;
 import java.lang.reflect.*;
 import java.sql.*;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.*;
-import java.util.logging.Level;
+import java.util.logging.*;
 import javax.persistence.*;
 import org.redkale.util.*;
 
@@ -32,7 +31,7 @@ public final class EntityInfo<T> {
     private static final ConcurrentHashMap<Class, EntityInfo> entityInfos = new ConcurrentHashMap<>();
 
     //日志
-    private static final Logger logger = Logger.getLogger(EntityInfo.class);
+    private static final Logger logger = Logger.getLogger(EntityInfo.class.getSimpleName());
 
     //Entity类名
     private final Class<T> type;
@@ -194,7 +193,7 @@ public final class EntityInfo<T> {
             try {
                 loader = type.getAnnotation(VirtualEntity.class).loader().newInstance();
             } catch (Exception e) {
-                logger.severe(type + " init @VirtualEntity.loader error", e);
+                logger.log(Level.SEVERE, type + " init @VirtualEntity.loader error", e);
             }
             this.fullloader = loader;
         } else {
@@ -207,7 +206,7 @@ public final class EntityInfo<T> {
         try {
             dts = (dt == null) ? null : dt.strategy().newInstance();
         } catch (Exception e) {
-            logger.severe(type + " init DistributeTableStrategy error", e);
+            logger.log(Level.SEVERE, type + " init DistributeTableStrategy error", e);
         }
         this.tableStrategy = dts;
 
@@ -216,7 +215,7 @@ public final class EntityInfo<T> {
         try {
             cp = this.creator.getClass().getMethod("create", Object[].class).getAnnotation(Creator.ConstructorParameters.class);
         } catch (Exception e) {
-            logger.severe(type + " cannot find ConstructorParameters Creator", e);
+            logger.log(Level.SEVERE, type + " cannot find ConstructorParameters Creator", e);
         }
         this.constructorParameters = (cp == null || cp.value().length < 1) ? null : cp.value();
         Attribute idAttr0 = null;

src/org/redkale/source/PoolJdbcSource.java

@@ -85,6 +85,13 @@ public class PoolJdbcSource {
         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");

src/org/redkale/util/Attribute.java

@@ -74,6 +74,7 @@ import static jdk.internal.org.objectweb.asm.Opcodes.*;
  * @param <T> 字段依附的类
  * @param <F> 字段的数据类型
  */
+@SuppressWarnings("unchecked")
 public interface Attribute<T, F> {
 
     /**

src/org/redkale/util/Creator.java

@@ -82,6 +82,7 @@ public interface Creator<T> {
 
         String[] value();
 
+        @SuppressWarnings("unchecked")
         static class CreatorInner {
 
             static class SimpleClassVisitor extends ClassVisitor {
@@ -108,7 +109,16 @@ public interface Creator<T> {
                     return new MethodVisitor(Opcodes.ASM5) {
                         @Override
                         public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
-                            if (index > 0) fieldnames.add(name);
+                            if (index < 1) return;
+                            int size = fieldnames.size();
+                            //index不会按顺序执行的
+                            if (index > size) {
+                                for (int i = size; i < index; i++) {
+                                    fieldnames.add(" ");
+                                }
+                                fieldnames.set(index - 1, name);
+                            }
+                            fieldnames.set(index - 1, name);
                         }
                     };
                 }

src/org/redkale/util/Redkale.java

@@ -17,7 +17,7 @@ public final class Redkale {
     }
 
     public static String getDotedVersion() {
-        return "1.8.0";
+        return "1.8.3";
     }
 
     public static int getMajorVersion() {

src/org/redkale/util/ResourceFactory.java

@@ -9,7 +9,7 @@ import java.lang.ref.WeakReference;
 import java.lang.reflect.*;
 import java.util.*;
 import java.util.concurrent.*;
-import java.util.function.BiConsumer;
+import java.util.function.*;
 import java.util.logging.*;
 import javax.annotation.Resource;
 
@@ -99,7 +99,7 @@ public final class ResourceFactory {
      *    1: "$"有特殊含义, 不能表示"$"资源本身
      *    2: 只能是字母、数字、(短横)-、(下划线)_、点(.)的组合
      * </pre></blockquote>
-     * 
+     *
      * @param name String
      */
     public void checkName(String name) {
@@ -471,11 +471,11 @@ public final class ResourceFactory {
     }
 
     public <A> List<A> query(Class<? extends A> clazz) {
-        return query(new ArrayList<A>(), clazz);
+        return query(new ArrayList<>(), clazz);
     }
 
     public <A> List<A> query(Type clazz) {
-        return query(new ArrayList<A>(), clazz);
+        return query(new ArrayList<>(), clazz);
     }
 
     private <A> List<A> query(final List<A> list, Type clazz) {
@@ -489,6 +489,23 @@ public final class ResourceFactory {
         return list;
     }
 
+    public <A> List<A> query(final BiPredicate<String, Object> predicate) {
+        return query(new ArrayList<>(), predicate);
+    }
+
+    private <A> List<A> query(final List<A> list, final BiPredicate<String, Object> predicate) {
+        if (predicate == null) return list;
+        for (ConcurrentHashMap<String, ResourceEntry> map : this.store.values()) {
+            for (Map.Entry<String, ResourceEntry> en : map.entrySet()) {
+                if (predicate.test(en.getKey(), en.getValue().value)) {
+                    list.add((A) en.getValue().value);
+                }
+            }
+        }
+        if (parent != null) query(list, predicate);
+        return list;
+    }
+
     private <A> ResourceEntry<A> findEntry(String name, Class<? extends A> clazz) {
         Map<String, ResourceEntry> map = this.store.get(clazz);
         if (map != null) {

src/org/redkale/util/Sheet.java

@@ -6,7 +6,7 @@
 package org.redkale.util;
 
 import java.util.*;
-import java.util.function.Consumer;
+import java.util.function.*;
 import java.util.stream.*;
 
 /**
@@ -108,6 +108,15 @@ public class Sheet<T> implements java.io.Serializable, Iterable<T> {
         }
     }
 
+    public <R> Sheet<R> map(Function<T, R> mapper) {
+        if (this.isEmpty()) return (Sheet) this;
+        final List<R> list = new ArrayList<>();
+        for (T item : this.rows) {
+            list.add(mapper.apply(item));
+        }
+        return new Sheet<>(getTotal(), list);
+    }
+
     public void forEachParallel(final Consumer<? super T> consumer) {
         if (consumer != null && this.rows != null && !this.rows.isEmpty()) {
             this.rows.parallelStream().forEach(consumer);