Improving structure / format of the code.

 package com.crossoverjie.cim.client.client;
 
+import com.crossoverjie.cim.client.config.AppConfiguration;
 import com.crossoverjie.cim.client.init.CIMClientHandleInitializer;
+import com.crossoverjie.cim.client.service.MsgHandle;
 import com.crossoverjie.cim.client.service.RouteRequest;
 import com.crossoverjie.cim.client.vo.req.GoogleProtocolVO;
 import com.crossoverjie.cim.client.vo.req.LoginReqVO;
@@ -16,6 +18,7 @@ import io.netty.channel.EventLoopGroup;
 import io.netty.channel.nio.NioEventLoopGroup;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.util.concurrent.DefaultThreadFactory;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -28,7 +31,7 @@ import javax.annotation.PostConstruct;
  * Function:
  *
  * @author crossoverJie
- *         Date: 22/05/2018 14:19
+ * Date: 22/05/2018 14:19
  * @since JDK 1.8
  */
 @Component
@@ -36,7 +39,7 @@ public class CIMClient {
 
     private final static Logger LOGGER = LoggerFactory.getLogger(CIMClient.class);
 
-    private EventLoopGroup group = new NioEventLoopGroup();
+    private EventLoopGroup group = new NioEventLoopGroup(0, new DefaultThreadFactory("cim-work"));
 
     @Value("${cim.user.id}")
     private long userId;
@@ -49,6 +52,17 @@ public class CIMClient {
     @Autowired
     private RouteRequest routeRequest;
 
+    @Autowired
+    private AppConfiguration configuration;
+
+    @Autowired
+    private MsgHandle msgHandle;
+
+    /**
+     * 重试次数
+     */
+    private int errorCount;
+
     @PostConstruct
     public void start() throws Exception {
 
@@ -70,14 +84,25 @@ public class CIMClient {
      * @param cimServer
      * @throws InterruptedException
      */
-    private void startClient(CIMServerResVO.ServerInfo cimServer) throws InterruptedException {
+    private void startClient(CIMServerResVO.ServerInfo cimServer) {
         Bootstrap bootstrap = new Bootstrap();
         bootstrap.group(group)
                 .channel(NioSocketChannel.class)
                 .handler(new CIMClientHandleInitializer())
         ;
 
-        ChannelFuture future = bootstrap.connect(cimServer.getIp(), cimServer.getCimServerPort()).sync();
+        ChannelFuture future = null;
+        try {
+            future = bootstrap.connect(cimServer.getIp(), cimServer.getCimServerPort()).sync();
+        } catch (InterruptedException e) {
+            errorCount++;
+
+            if (errorCount >= configuration.getErrorCount()) {
+                LOGGER.error("链接失败次数达到上限[{}]次", errorCount);
+                msgHandle.shutdown();
+            }
+            LOGGER.error("连接失败", e);
+        }
         if (future.isSuccess()) {
             LOGGER.info("启动 cim client 成功");
         }
@@ -90,10 +115,21 @@ public class CIMClient {
      * @return 路由服务器信息
      * @throws Exception
      */
-    private CIMServerResVO.ServerInfo userLogin() throws Exception {
+    private CIMServerResVO.ServerInfo userLogin() {
         LoginReqVO loginReqVO = new LoginReqVO(userId, userName);
-        CIMServerResVO.ServerInfo cimServer = routeRequest.getCIMServer(loginReqVO);
-        LOGGER.info("cimServer=[{}]", cimServer.toString());
+        CIMServerResVO.ServerInfo cimServer = null;
+        try {
+            cimServer = routeRequest.getCIMServer(loginReqVO);
+            LOGGER.info("cimServer=[{}]", cimServer.toString());
+        } catch (Exception e) {
+            errorCount++;
+
+            if (errorCount >= configuration.getErrorCount()) {
+                LOGGER.error("重连次数达到上限[{}]次", errorCount);
+                msgHandle.shutdown();
+            }
+            LOGGER.error("登录失败", e);
+        }
         return cimServer;
     }
 
@@ -145,11 +181,17 @@ public class CIMClient {
 
     }
 
+
+    public void reconnect() throws Exception {
+        start();
+    }
+
     /**
      * 关闭
+     *
      * @throws InterruptedException
      */
     public void close() throws InterruptedException {
-        channel.close() ;
+        channel.close();
     }
 }

@@ -22,6 +22,15 @@ public class AppConfiguration {
     @Value("${cim.msg.logger.path}")
     private String msgLoggerPath ;
 
+    @Value("${cim.clear.route.request.url}")
+    private String clearRouteUrl ;
+
+    @Value("${cim.heartbeat.time}")
+    private long heartBeatTime ;
+
+    @Value("${cim.reconnect.count}")
+    private int errorCount ;
+
     public Long getUserId() {
         return userId;
     }
@@ -45,4 +54,30 @@ public class AppConfiguration {
     public void setMsgLoggerPath(String msgLoggerPath) {
         this.msgLoggerPath = msgLoggerPath;
     }
+
+
+    public long getHeartBeatTime() {
+        return heartBeatTime;
+    }
+
+    public void setHeartBeatTime(long heartBeatTime) {
+        this.heartBeatTime = heartBeatTime;
+    }
+
+
+    public String getClearRouteUrl() {
+        return clearRouteUrl;
+    }
+
+    public void setClearRouteUrl(String clearRouteUrl) {
+        this.clearRouteUrl = clearRouteUrl;
+    }
+
+    public int getErrorCount() {
+        return errorCount;
+    }
+
+    public void setErrorCount(int errorCount) {
+        this.errorCount = errorCount;
+    }
 }

@@ -82,6 +82,17 @@ public class BeanConfig {
         return  productExecutor ;
     }
 
+
+    @Bean("scheduledTask")
+    public ScheduledExecutorService buildSchedule(){
+        ThreadFactory sche = new ThreadFactoryBuilder()
+                .setNameFormat("scheduled-%d")
+                .setDaemon(true)
+                .build();
+        ScheduledExecutorService scheduledExecutorService = new ScheduledThreadPoolExecutor(1,sche) ;
+        return scheduledExecutorService ;
+    }
+
     /**
      * 回调 bean
      * @return

 package com.crossoverjie.cim.client.handle;
 
+import com.crossoverjie.cim.client.thread.HeartBeatJob;
 import com.crossoverjie.cim.client.util.SpringBeanFactory;
 import com.crossoverjie.cim.common.constant.Constants;
 import com.crossoverjie.cim.common.protocol.CIMRequestProto;
@@ -14,7 +15,9 @@ import io.netty.handler.timeout.IdleStateEvent;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Function:
@@ -32,6 +35,8 @@ public class CIMClientHandle extends SimpleChannelInboundHandler<CIMResponseProt
 
     private ThreadPoolExecutor threadPoolExecutor ;
 
+    private ScheduledExecutorService scheduledExecutorService ;
+
 
     @Override
     public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
@@ -50,7 +55,6 @@ public class CIMClientHandle extends SimpleChannelInboundHandler<CIMResponseProt
                 }) ;
             }
 
-
         }
 
         super.userEventTriggered(ctx, evt);
@@ -68,6 +72,7 @@ public class CIMClientHandle extends SimpleChannelInboundHandler<CIMResponseProt
 
         //心跳更新时间
         if (msg.getType() == Constants.CommandType.PING){
+            LOGGER.info("收到服务端心跳！！！");
             NettyAttrUtil.updateReaderTime(ctx.channel(),System.currentTimeMillis());
         }
 
@@ -78,6 +83,13 @@ public class CIMClientHandle extends SimpleChannelInboundHandler<CIMResponseProt
             LOGGER.info(msg.getResMsg());
         }
 
+        if (scheduledExecutorService == null){
+            scheduledExecutorService = SpringBeanFactory.getBean("scheduledTask",ScheduledExecutorService.class) ;
+        }
+
+
+        scheduledExecutorService.scheduleAtFixedRate(new HeartBeatJob(ctx),30,30, TimeUnit.SECONDS) ;
+
     }
 
     /**

@@ -25,7 +25,7 @@ public class CIMClientHandleInitializer extends ChannelInitializer<Channel> {
     protected void initChannel(Channel ch) throws Exception {
         ch.pipeline()
                 //30 秒没发送消息 将IdleStateHandler 添加到 ChannelPipeline 中
-                .addLast(new IdleStateHandler(0, 30, 0))
+                .addLast(new IdleStateHandler(0, 50, 0))
 
                 //心跳解码
                 //.addLast(new HeartbeatEncode())

@@ -48,4 +48,10 @@ public interface MsgHandle {
      * @return 是否应当跳过当前消息（包含了":" 就需要跳过）
      */
     boolean innerCommand(String msg) ;
+
+
+    /**
+     * 关闭系统
+     */
+    void shutdown() ;
 }

@@ -41,10 +41,13 @@ public interface RouteRequest {
     CIMServerResVO.ServerInfo getCIMServer(LoginReqVO loginReqVO) throws Exception;
 
     /**
-     *
-     * @return 获取所有在线用户
+     * 获取所有在线用户
+     * @return
+     * @throws Exception
      */
     List<OnlineUsersResVO.DataBodyBean> onlineUsers()throws Exception ;
 
 
+    void offLine() ;
+
 }

 package com.crossoverjie.cim.client.service.impl;
 
+import com.crossoverjie.cim.client.client.CIMClient;
+import com.crossoverjie.cim.client.config.AppConfiguration;
+import com.crossoverjie.cim.client.service.RouteRequest;
 import com.crossoverjie.cim.common.kit.HeartBeatHandler;
+import com.crossoverjie.cim.common.util.NettyAttrUtil;
 import io.netty.channel.ChannelHandlerContext;
+import okhttp3.MediaType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
 /**
  * Function:
@@ -10,10 +19,39 @@ import io.netty.channel.ChannelHandlerContext;
  * Date: 2019-01-20 17:16
  * @since JDK 1.8
  */
+@Service
 public class ClientHeartBeatHandlerImpl implements HeartBeatHandler {
 
+    private final static Logger LOGGER = LoggerFactory.getLogger(ClientHeartBeatHandlerImpl.class);
+    private final MediaType mediaType = MediaType.parse("application/json");
+
+    @Autowired
+    private AppConfiguration appConfiguration ;
+
+    @Autowired
+    private CIMClient cimClient ;
+
+    @Autowired
+    private RouteRequest routeRequest;
+
     @Override
     public void process(ChannelHandlerContext ctx) throws Exception {
 
+        long heartBeatTime = appConfiguration.getHeartBeatTime() * 1000;
+
+        Long lastReadTime = NettyAttrUtil.getReaderTime(ctx.channel());
+        long now = System.currentTimeMillis();
+        if (lastReadTime != null && now - lastReadTime > heartBeatTime){
+            LOGGER.warn("服务端心跳超时[{}]ms，[{}]需要关闭重新连接!",now - lastReadTime,appConfiguration.getUserName());
+
+            //首先清除路由信息，下线
+            routeRequest.offLine();
+
+            //重连
+            cimClient.reconnect();
+
+        }
     }
+
+
 }

@@ -16,6 +16,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -37,7 +38,7 @@ public class MsgHandler implements MsgHandle {
     @Autowired
     private AppConfiguration configuration;
 
-    @Autowired
+    @Resource(name = "callBackThreadPool")
     private ThreadPoolExecutor executor ;
 
     @Autowired
@@ -221,8 +222,10 @@ public class MsgHandler implements MsgHandle {
     /**
      * 关闭系统
      */
-    private void shutdown() {
+    @Override
+    public void shutdown() {
         LOGGER.info("系统关闭中。。。。");
+        routeRequest.offLine();
         msgLogger.stop();
         executor.shutdown();
         try {

@@ -178,4 +178,26 @@ public class RouteRequestImpl implements RouteRequest {
 
         return onlineUsersResVO.getDataBody();
     }
+
+    @Override
+    public void offLine() {
+        JSONObject jsonObject = new JSONObject();
+        jsonObject.put("userId", appConfiguration.getUserId());
+        jsonObject.put("msg", "offLine");
+        RequestBody requestBody = RequestBody.create(mediaType, jsonObject.toString());
+
+        Request request = new Request.Builder()
+                .url(appConfiguration.getClearRouteUrl())
+                .post(requestBody)
+                .build();
+
+        Response response = null;
+        try {
+            response = okHttpClient.newCall(request).execute();
+        } catch (IOException e) {
+            LOGGER.error("exception",e);
+        } finally {
+            response.body().close();
+        }
+    }
 }

+package com.crossoverjie.cim.client.thread;
+
+import com.crossoverjie.cim.client.service.impl.ClientHeartBeatHandlerImpl;
+import com.crossoverjie.cim.client.util.SpringBeanFactory;
+import com.crossoverjie.cim.common.kit.HeartBeatHandler;
+import io.netty.channel.ChannelHandlerContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Function:
+ *
+ * @author crossoverJie
+ * Date: 2019-01-20 21:35
+ * @since JDK 1.8
+ */
+public class HeartBeatJob implements Runnable {
+
+    private final static Logger LOGGER = LoggerFactory.getLogger(HeartBeatJob.class);
+
+    private ChannelHandlerContext context ;
+
+    private HeartBeatHandler heartBeatHandler ;
+
+    public HeartBeatJob(ChannelHandlerContext context) {
+        this.context = context;
+        this.heartBeatHandler = SpringBeanFactory.getBean(ClientHeartBeatHandlerImpl.class) ;
+    }
+
+    @Override
+    public void run() {
+        try {
+            heartBeatHandler.process(context);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

@@ -25,6 +25,8 @@ cim.server.route.request.url=http://45.78.28.220:8083/login
 # 在线用户
 cim.server.online.user.url=http://45.78.28.220:8083/onlineUser
 
+# 清除路由信息
+cim.clear.route.request.url=http://45.78.28.220:8083/offLine
 
 ###=======本地模拟======###
 ## 群发消息
@@ -39,6 +41,9 @@ cim.server.online.user.url=http://45.78.28.220:8083/onlineUser
 ## 在线用户
 #cim.server.online.user.url=http://localhost:8083/onlineUser
 
+# 清除路由信息
+#cim.clear.route.request.url=http://localhost:8083/offLine
+
 # 客户端唯一ID
 cim.user.id=1545574841528
 cim.user.userName=zhangsan
@@ -54,4 +59,7 @@ management.security.enabled=false
 spring.boot.admin.url=http://127.0.0.1:8888
 
 # 检测多少秒没有收到服务端端心跳后重新登录获取连接
-cim.heartbeat.time = 40
\ No newline at end of file
+cim.heartbeat.time = 60
+
+# 客户端连接失败重连次数
+cim.reconnect.count =3
\ No newline at end of file

@@ -12,7 +12,9 @@ import io.netty.channel.ChannelHandlerContext;
 public interface HeartBeatHandler {
 
     /**
-     * 处理
+     * 处理心跳
+     * @param ctx
+     * @throws Exception
      */
     void process(ChannelHandlerContext ctx) throws Exception ;
 }

@@ -94,7 +94,7 @@ public class CIMServerHandle extends SimpleChannelInboundHandler<CIMRequestProto
     }
 
     /**
-     * 清除路由关系
+     * 下线，清除路由关系
      *
      * @param userInfo
      * @throws IOException