package com.anyun.im_lib;
|
|
import com.anyun.im_lib.netty.NettyTcpClient;
|
import com.anyun.im_lib.util.MyLog;
|
import com.safeluck.aykj.utils.BytesUtils;
|
|
import io.netty.channel.ChannelHandlerContext;
|
import io.netty.channel.ChannelInboundHandlerAdapter;
|
import io.netty.handler.timeout.IdleState;
|
import io.netty.handler.timeout.IdleStateEvent;
|
|
/**
|
* MyApplication2
|
* Created by lzw on 2019/12/4. 11:31:25
|
* 邮箱：632393724@qq.com
|
* All Rights Saved! Chongqing AnYun Tech co. LTD
|
*/
|
public class HeartbeatHandler extends ChannelInboundHandlerAdapter {
|
private NettyTcpClient imsClient;
|
public HeartbeatHandler(NettyTcpClient imsClient) {
|
this.imsClient = imsClient;
|
}
|
private HeartbeatTask heartbeatTask;
|
private class HeartbeatTask implements Runnable {
|
|
private ChannelHandlerContext ctx;
|
|
public HeartbeatTask(ChannelHandlerContext ctx) {
|
this.ctx = ctx;
|
}
|
|
@Override
|
public void run() {
|
if (ctx.channel().isActive()) {
|
byte []heartbeatMsg = imsClient.getHeartbeatMsg();
|
if (heartbeatMsg == null) {
|
return;
|
}
|
MyLog.i("发送心跳消息，message=" + BytesUtils.bytesToHexString(heartbeatMsg) + "当前心跳间隔为：" +imsClient.getHeartbeatInterval() + "ms\n");
|
imsClient.sendMsg(heartbeatMsg, false);
|
}
|
}
|
}
|
@Override
|
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
|
super.userEventTriggered(ctx, evt);
|
if (evt instanceof IdleStateEvent){
|
IdleState state = ((IdleStateEvent)evt).state();
|
switch (state){
|
case READER_IDLE:
|
// 规定时间内没收到服务端心跳包响应，进行重连操作
|
break;
|
case WRITER_IDLE:
|
// 规定时间内没向服务端发送心跳包，即发送一个心跳包
|
if (heartbeatTask == null) {
|
heartbeatTask = new HeartbeatTask(ctx);
|
}
|
imsClient.getLoopGroup().execWorkTask(heartbeatTask);
|
break;
|
|
}
|
}
|
}
|
}
|
