优化tcp客户端线程

license/src/main/java/iot/sixiang/license/forward/ForwardClient.java

 package iot.sixiang.license.forward;
 
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioSocketChannel;
 import iot.sixiang.license.net.TcpClient;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import javax.annotation.PostConstruct;
+
 @Component
 @Slf4j
 public class ForwardClient {
@@ -12,6 +19,7 @@ public class ForwardClient {
 
     private TcpClient client = null;
     private ForwardChannelInitializer channelInitializer;
+    private Bootstrap bootstrap;
 
     @Autowired
     ForwardClientHandler handler;
@@ -20,15 +28,31 @@ public class ForwardClient {
 
     }
 
+    @PostConstruct
+    public void init(){
+        channelInitializer = new ForwardChannelInitializer(handler);
+        EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
+        bootstrap = new Bootstrap();
+        if (bootstrap != null) {
+            try {
+                bootstrap
+                        .channel(NioSocketChannel.class)
+                        .option(ChannelOption.SO_KEEPALIVE, true)
+                        .group(eventLoopGroup)
+                        .handler(channelInitializer);
+            } catch (IllegalStateException ex) {
+                log.error(ex.getMessage());
+            }
+        }
+    }
+
     public void startTcp(String host, int port, String appId) {
         log.debug("桥接客户端，开始连接桥接服务:{},{},{}", host, port, appId);
         ForwardConnectionListener listener = new ForwardConnectionListener();
         listener.setAppId(appId);
         listener.setHost(host);
         listener.setPort(port);
-
-        channelInitializer = new ForwardChannelInitializer(handler);
-        client = new TcpClient(host, port, channelInitializer, listener);
+        client = new TcpClient(host, port, channelInitializer, listener, bootstrap);
         client.start();
     }
 

license/src/main/java/iot/sixiang/license/net/TcpClient.java

@@ -2,10 +2,6 @@ package iot.sixiang.license.net;
 
 import io.netty.bootstrap.Bootstrap;
 import io.netty.channel.ChannelFuture;
-import io.netty.channel.ChannelOption;
-import io.netty.channel.EventLoopGroup;
-import io.netty.channel.nio.NioEventLoopGroup;
-import io.netty.channel.socket.nio.NioSocketChannel;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
@@ -14,38 +10,22 @@ public class TcpClient {
     private String host;
     private BaseChannelInitializer channelInitializer;
     private BaseConnectionListener connectionListener;
+    private Bootstrap bootstrap;
 
-	public TcpClient(String host, int port,BaseChannelInitializer channelInitializer,BaseConnectionListener connectionListener) {
+    public TcpClient(String host, int port, BaseChannelInitializer channelInitializer, BaseConnectionListener connectionListener, Bootstrap bootstrap) {
         this.host = host;
         this.port = port;
         this.channelInitializer = channelInitializer;
         this.connectionListener = connectionListener;
+        this.bootstrap = bootstrap;
     }
 
     public void start() {
-		Thread thread = new Thread(new Runnable() {
-			@Override
-			public void run() {
-					EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
-					Bootstrap bootstrap = new Bootstrap();
-				try {
-					bootstrap
-					.channel(NioSocketChannel.class)
-					.option(ChannelOption.SO_KEEPALIVE, true)
-					.group(eventLoopGroup)
-					.remoteAddress(host, port)
-					.handler(channelInitializer);
-				} catch (NullPointerException e) {
-					log.error(e.getMessage());
-				}catch (IllegalStateException ex) {
-					log.error(ex.getMessage());
-				}
+
+
         ChannelFuture future = bootstrap.connect(host, port);
         future.addListener(connectionListener);
 
-			}
-		});
-		thread.start();
 
     }
 

license/src/main/java/iot/sixiang/license/operate/OperateClient.java

 package iot.sixiang.license.operate;
 
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioSocketChannel;
 import iot.sixiang.license.net.TcpClient;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import javax.annotation.PostConstruct;
+
 @Component
 @Slf4j
 public class OperateClient {
@@ -12,7 +19,7 @@ public class OperateClient {
 
     private TcpClient client = null;
     private OperateChannelInitializer channelInitializer;
-
+    private Bootstrap bootstrap;
     @Autowired
     OperateClientHandler handler;
 
@@ -21,13 +28,30 @@ public class OperateClient {
 
     }
 
+    @PostConstruct
+    public void init(){
+        channelInitializer = new OperateChannelInitializer(handler);
+        EventLoopGroup eventLoopGroup = new NioEventLoopGroup();
+        bootstrap = new Bootstrap();
+        if (bootstrap != null) {
+            try {
+                bootstrap
+                        .channel(NioSocketChannel.class)
+                        .option(ChannelOption.SO_KEEPALIVE, true)
+                        .group(eventLoopGroup)
+                        .handler(channelInitializer);
+            } catch (IllegalStateException ex) {
+                log.error(ex.getMessage());
+            }
+        }
+    }
+
     public void startTcp(String host, int port) {
 
         OperateConnectionListener listener = new OperateConnectionListener();
         listener.setHost(host);
         listener.setPort(port);
-        channelInitializer = new OperateChannelInitializer(handler);
-        client = new TcpClient(host, port, channelInitializer, listener);
+        client = new TcpClient(host, port, channelInitializer, listener, bootstrap);
         client.start();
     }