src/org/redkale/net/AsyncConnection.java

@@ -11,6 +11,7 @@ import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
 
 /**
  *
@@ -25,6 +26,12 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
     protected Object subobject; //用于存储绑定在Connection上的对象， 同attributes， 只绑定单个对象时尽量使用subobject而非attributes
 
+    //关闭数
+    AtomicLong closedCounter = new AtomicLong();
+
+    //在线数
+    AtomicLong livingCounter = new AtomicLong();
+
     public abstract boolean isTCP();
 
     public abstract SocketAddress getRemoteAddress();
@@ -54,6 +61,14 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
     @Override
     public void close() throws IOException {
+        if (closedCounter != null) {
+            closedCounter.incrementAndGet();
+            closedCounter = null;
+        }
+        if (livingCounter != null) {
+            livingCounter.decrementAndGet();
+            livingCounter = null;
+        }
         if (attributes == null) return;
         try {
             for (Object obj : attributes.values()) {

src/org/redkale/net/ProtocolServer.java

@@ -11,15 +11,27 @@ import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * 协议底层Server
  *
- * <p> 详情见: https://redkale.org
+ * <p>
+ * 详情见: https://redkale.org
+ *
  * @author zhangjx
  */
 public abstract class ProtocolServer {
 
+    //创建数
+    protected final AtomicLong createCounter = new AtomicLong();
+
+    //关闭数
+    protected final AtomicLong closedCounter = new AtomicLong();
+
+    //在线数
+    protected final AtomicLong livingCounter = new AtomicLong();
+
     public abstract void open() throws IOException;
 
     public abstract void bind(SocketAddress local, int backlog) throws IOException;
@@ -34,6 +46,18 @@ public abstract class ProtocolServer {
 
     public abstract AsynchronousChannelGroup getChannelGroup();
 
+    public long getCreateCount() {
+        return createCounter.longValue();
+    }
+
+    public long getClosedCount() {
+        return closedCounter.longValue();
+    }
+
+    public long getLivingCount() {
+        return livingCounter.longValue();
+    }
+
     //---------------------------------------------------------------------
     public static ProtocolServer create(String protocol, Context context) {
         if ("TCP".equalsIgnoreCase(protocol)) return new ProtocolTCPServer(context);
@@ -117,6 +141,20 @@ public abstract class ProtocolServer {
             return null;
         }
 
+        @Override
+        public long getCreateCount() {
+            return -1;
+        }
+
+        @Override
+        public long getClosedCount() {
+            return -1;
+        }
+
+        @Override
+        public long getLivingCount() {
+            return -1;
+        }
     }
 
     private static final class ProtocolTCPServer extends ProtocolServer {
@@ -160,7 +198,12 @@ public abstract class ProtocolServer {
                 @Override
                 public void completed(final AsynchronousSocketChannel channel, Void attachment) {
                     serchannel.accept(null, this);
-                    context.submitAsync(new PrepareRunner(context, AsyncConnection.create(channel, null, context.readTimeoutSecond, context.writeTimeoutSecond), null));
+                    createCounter.incrementAndGet();
+                    livingCounter.incrementAndGet();
+                    AsyncConnection conn = AsyncConnection.create(channel, null, context.readTimeoutSecond, context.writeTimeoutSecond);
+                    conn.livingCounter = livingCounter;
+                    conn.closedCounter = closedCounter;
+                    context.submitAsync(new PrepareRunner(context, conn, null));
                 }
 
                 @Override

src/org/redkale/net/Server.java

@@ -185,6 +185,21 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         logger.info(this.getClass().getSimpleName() + " shutdown in " + e + " ms");
     }
 
+    //创建数
+    public long getCreateConnectionCount() {
+        return serverChannel == null ? -1 : serverChannel.getCreateCount();
+    }
+
+    //关闭数
+    public long getClosedConnectionCount() {
+        return serverChannel == null ? -1 : serverChannel.getClosedCount();
+    }
+
+    //在线数
+    public long getLivingConnectionCount() {
+        return serverChannel == null ? -1 : serverChannel.getLivingCount();
+    }
+
     protected Format createFormat() {
         String sf = "0";
         if (this.threads > 10) sf = "00";