优化SNCP.UDP

src/main/java/org/redkale/net/AsyncIOGroup.java

@@ -302,6 +302,7 @@ public class AsyncIOGroup extends AsyncGroup {
 
     private AsyncNioUdpConnection newUDPClientConnection(final SocketAddress address) throws IOException {
         DatagramChannel channel = DatagramChannel.open();
+        channel.configureBlocking(false);
         AsyncIOThread readThread = null;
         AsyncIOThread writeThread = null;
         AsyncIOThread currThread = AsyncIOThread.currAsyncIOThread();

src/main/java/org/redkale/net/AsyncNioTcpProtocolServer.java

@@ -153,7 +153,7 @@ class AsyncNioTcpProtocolServer extends ProtocolServer {
                                 if (++writeIndex >= writes) {
                                     writeIndex = 0;
                                 }
-                                accept(key, ioReadThreads[readIndex], ioWriteThreads[writeIndex]);
+                                accept(ioReadThreads[readIndex], ioWriteThreads[writeIndex]);
                             }
                         }
                         keys.clear();
@@ -166,7 +166,7 @@ class AsyncNioTcpProtocolServer extends ProtocolServer {
         this.acceptThread.start();
     }
 
-    private void accept(SelectionKey key, AsyncIOThread ioReadThread, AsyncIOThread ioWriteThread) throws IOException {
+    private void accept(AsyncIOThread ioReadThread, AsyncIOThread ioWriteThread) throws IOException {
         SocketChannel channel = this.serverChannel.accept();
         channel.configureBlocking(false);
         channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
@@ -194,6 +194,11 @@ class AsyncNioTcpProtocolServer extends ProtocolServer {
         }
     }
 
+    @Override
+    public SocketAddress getLocalAddress() throws IOException {
+        return this.serverChannel.getLocalAddress();
+    }
+
     @Override
     public void close() throws IOException {
         if (this.closed) {

src/main/java/org/redkale/net/AsyncNioUdpConnection.java

@@ -100,10 +100,11 @@ class AsyncNioUdpConnection extends AsyncNioConnection {
 
     @Override
     public boolean isConnected() {
-        if (!clientMode) {
+        if (clientMode) {
+            return this.channel.isConnected();
+        } else {
             return true;
         }
-        return this.channel.isConnected();
     }
 
     @Override
@@ -113,7 +114,11 @@ class AsyncNioUdpConnection extends AsyncNioConnection {
 
     @Override
     protected int implRead(ByteBuffer dst) throws IOException {
+        if (clientMode) {
             return this.channel.read(dst);
+        } else {
+            return 0;
+        }
     }
 
     @Override

src/main/java/org/redkale/net/AsyncNioUdpProtocolServer.java

@@ -12,6 +12,7 @@ import java.nio.channels.*;
 import java.util.Set;
 import java.util.concurrent.atomic.LongAdder;
 import java.util.function.*;
+import java.util.logging.Level;
 import org.redkale.boot.Application;
 import org.redkale.util.*;
 
@@ -110,7 +111,6 @@ class AsyncNioUdpProtocolServer extends ProtocolServer {
         this.ioGroup = new AsyncIOGroup(false, threadNameFormat, null, server.bufferCapacity, safeBufferPool);
         this.ioGroup.start();
         this.serverChannel.register(this.selector, SelectionKey.OP_READ);
-
         this.acceptThread = new Thread() {
             {
                 setName(String.format(threadNameFormat, "Accept"));
@@ -124,8 +124,20 @@ class AsyncNioUdpProtocolServer extends ProtocolServer {
                 final int writes = ioWriteThreads.length;
                 int readIndex = -1;
                 int writeIndex = -1;
+                Set<SelectionKey> keys = null;
+                final Selector sel = selector;
                 ObjectPool<ByteBuffer> unsafeBufferPool = ObjectPool.createUnsafePool(null, 512, safeBufferPool);
                 while (!closed) {
+                    try {
+                        int count = sel.select();
+                        if (count == 0) {
+                            continue;
+                        }
+                        if (keys == null) {
+                            keys = selector.selectedKeys();
+                        }
+                        for (SelectionKey key : keys) {
+                            if (key.isReadable()) {
                                 final ByteBuffer buffer = unsafeBufferPool.get();
                                 try {
                                     SocketAddress address = serverChannel.receive(buffer);
@@ -142,6 +154,14 @@ class AsyncNioUdpProtocolServer extends ProtocolServer {
                                 }
                             }
                         }
+                        keys.clear();
+                    } catch (Throwable ex) {
+                        if (!closed) {
+                            server.logger.log(Level.FINE, getName() + " selector run failed", ex);
+                        }
+                    }
+                }
+            }
         };
         this.acceptThread.start();
     }
@@ -167,6 +187,11 @@ class AsyncNioUdpProtocolServer extends ProtocolServer {
         }
     }
 
+    @Override
+    public SocketAddress getLocalAddress() throws IOException {
+        return this.serverChannel.getLocalAddress();
+    }
+
     @Override
     public void close() throws IOException {
         if (this.closed) {

src/main/java/org/redkale/net/ProtocolCodec.java

@@ -113,7 +113,7 @@ class ProtocolCodec implements CompletionHandler<Integer, ByteBuffer> {
         } catch (Exception te) {
             channel.dispose();// response.init(channel); 在调用之前异常
             if (context.logger.isLoggable(Level.FINEST)) {
-                context.logger.log(Level.FINEST, "Servlet read channel erroneous, force to close channel ", te);
+                context.logger.log(Level.FINEST, "Servlet start read channel erroneous, force to close channel ", te);
             }
         }
     }
@@ -134,7 +134,7 @@ class ProtocolCodec implements CompletionHandler<Integer, ByteBuffer> {
         } catch (Exception te) {
             channel.dispose();// response.init(channel); 在调用之前异常
             if (context.logger.isLoggable(Level.FINEST)) {
-                context.logger.log(Level.FINEST, "Servlet read channel erroneous, force to close channel ", te);
+                context.logger.log(Level.FINEST, "Servlet run read channel erroneous, force to close channel ", te);
             }
         }
     }
@@ -227,7 +227,7 @@ class ProtocolCodec implements CompletionHandler<Integer, ByteBuffer> {
             channel.offerReadBuffer(attachment);
             response.error(exc);
             if (exc != null) {
-                request.context.logger.log(Level.FINER, "Servlet read channel erroneous, force to close channel ", exc);
+                request.context.logger.log(Level.FINER, "Servlet continue read channel erroneous, force to close channel ", exc);
             }
         }
     }

src/main/java/org/redkale/net/ProtocolServer.java

@@ -7,7 +7,7 @@ package org.redkale.net;
 
 import java.io.IOException;
 import java.net.*;
-import java.util.*;
+import java.util.Set;
 import org.redkale.annotation.Resource;
 import org.redkale.boot.Application;
 import org.redkale.util.AnyValue;
@@ -40,6 +40,8 @@ public abstract class ProtocolServer {
 
     public abstract void accept(Application application, Server server) throws IOException;
 
+    public abstract SocketAddress getLocalAddress() throws IOException;
+
     public abstract void close() throws IOException;
 
     protected ProtocolServer(Context context) {

src/main/java/org/redkale/net/Server.java

@@ -305,6 +305,10 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         }
         this.serverChannel.open(config);
         serverChannel.bind(address, backlog);
+        SocketAddress localAddress = serverChannel.getLocalAddress();
+        if (localAddress instanceof InetSocketAddress) {
+            this.address = (InetSocketAddress) localAddress;
+        }
         serverChannel.accept(application, this);
         postStart();
         logger.info(this.getClass().getSimpleName() + ("TCP".equalsIgnoreCase(netprotocol) ? "" : ("." + netprotocol)) + " listen: " + (address.getHostString() + ":" + address.getPort())

src/main/java/org/redkale/net/sncp/SncpRequest.java

@@ -65,7 +65,7 @@ public class SncpRequest extends Request<SncpContext> {
         //---------------------head----------------------------------
         if (this.readState == READ_STATE_ROUTE) {
             if (buffer.remaining() < HEADER_SIZE) {
-                return 1; //小于60
+                return HEADER_SIZE - buffer.remaining(); //小于60
             }
             this.seqid = buffer.getLong(); //8
             if (buffer.getChar() != HEADER_SIZE) { //2

src/test/java/org/redkale/test/sncp/SncpTest.java

@@ -25,13 +25,11 @@ import org.redkale.util.*;
  */
 public class SncpTest {
 
-    private static final String serviceName = "";
-
     private static final String myhost = Utility.localInetAddress().getHostAddress();
 
-    private static final int port = 4040;
+    private static int port = 0;
 
-    private static final int port2 = 4240;
+    private static int port2 = 4240;
 
     private static final String protocol = "SNCP.TCP";
 
@@ -182,6 +180,7 @@ public class SncpTest {
                     System.out.println(service);
                     server.init(conf);
                     server.start();
+                    port = server.getSocketAddress().getPort();
                     cdl.countDown();
                 } catch (Exception e) {
                     e.printStackTrace();
@@ -206,7 +205,7 @@ public class SncpTest {
                 try {
                     AnyValue.DefaultAnyValue conf = new AnyValue.DefaultAnyValue();
                     conf.addValue("host", "0.0.0.0");
-                    conf.addValue("port", "" + port2);
+                    conf.addValue("port", "" + (port2 < 10 ? 0 : port2));
                     conf.addValue("protocol", protocol);
                     SncpServer server = new SncpServer(null, System.currentTimeMillis(), conf, factory);
                     Set<InetSocketAddress> set = new LinkedHashSet<>();
@@ -218,6 +217,7 @@ public class SncpTest {
                     server.addSncpServlet(service);
                     server.init(conf);
                     server.start();
+                    port2 = server.getSocketAddress().getPort();
                     cdl.countDown();
                 } catch (Exception e) {
                     e.printStackTrace();