package com.ard.utils.tcp;
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import com.ard.alarm.radar.domain.ArdEquipRadar;
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import com.ard.alarm.radar.service.IArdEquipRadarService;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.channel.*;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.nio.NioSocketChannel;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.boot.ApplicationArguments;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.TimeUnit;
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/**
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* @Description: 雷达动态tcp客户端（备用）
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* @ClassName: DynamicClient
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* @Author: 刘苏义
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* @Date: 2023年11月30日9:25:48
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**/
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@Slf4j(topic = "netty")
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@Component
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public class DynamicClient {
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@Resource
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IArdEquipRadarService ardEquipRadarService;
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@Value("${spring.netty.tcp.enabled}")
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private Boolean tcpClientEnable;
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private static List<Channel> serverChannels = new ArrayList<>();
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public static ConcurrentHashMap<Channel, ArdEquipRadar> ConnectMap = new ConcurrentHashMap();
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public static void main(String[] args) throws InterruptedException {
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EventLoopGroup group = new NioEventLoopGroup();
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Bootstrap bootstrap = new Bootstrap();
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bootstrap.group(group)
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.channel(NioSocketChannel.class)
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.option(ChannelOption.TCP_NODELAY, true)
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.option(ChannelOption.SO_KEEPALIVE, true)
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.handler(new DynamicClientInitializer());
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DynamicClient dynamicClient = new DynamicClient();
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ArdEquipRadar radar1 = new ArdEquipRadar();
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radar1.setName("511");
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radar1.setIp("112.98.126.2");
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radar1.setPort(1200);
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dynamicClient.connect(bootstrap, radar1);
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Thread.sleep(2000); // 等待连接建立
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// 模拟动态增加一个服务端
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ArdEquipRadar radar2 = new ArdEquipRadar();
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radar2.setName("140");
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radar2.setIp("112.98.126.2");
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radar2.setPort(1201);
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dynamicClient.connect(bootstrap, radar2);
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}
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public void connectToServer(ArdEquipRadar radar) {
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EventLoopGroup group = new NioEventLoopGroup();
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try {
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Bootstrap bootstrap = new Bootstrap();
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bootstrap.group(group)
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.channel(NioSocketChannel.class)
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.option(ChannelOption.TCP_NODELAY, true)
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.option(ChannelOption.SO_KEEPALIVE, true)
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.handler(new DynamicClientInitializer());
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// 连接服务端
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ChannelFuture channelFuture = bootstrap.connect(radar.getIp(), radar.getPort()).sync();
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Channel serverChannel = channelFuture.channel();
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// 将连接的服务端 Channel 添加到管理列表
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serverChannels.add(serverChannel);
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ConnectMap.put(serverChannel, radar);
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log.debug("雷达【" + radar.getIp() + ":" + radar.getPort() + "】连接成功");
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public Channel connect(Bootstrap bootstrap, ArdEquipRadar radar) {
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ChannelFuture future = bootstrap.connect(radar.getIp(), radar.getPort());
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future.addListener((ChannelFutureListener) futureListener -> {
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if (futureListener.isSuccess()) {
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log.info("Connected to radar device: " + radar.getName() + "【" + radar.getIp() + ":" + radar.getPort() + "】" + " successful");
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// 在连接建立后，你可以在这里添加业务逻辑或其他处理
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serverChannels.add(future.channel());
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ConnectMap.put(future.channel(), radar);
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} else {
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log.error("Connection to radar device " + radar.getName() + "【" + radar.getIp() + ":" + radar.getPort() + "】" + " failed. Retrying...");
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// 连接失败时，定时进行重连
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futureListener.channel().eventLoop().schedule(
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() -> connect(bootstrap, radar),
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1L, TimeUnit.SECONDS
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);
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}
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});
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return future.channel();
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}
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// 在连接建立后可以通过调用这个方法向指定的服务端发送数据
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public void sendDataToServer(Channel serverChannel, Object data) {
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serverChannel.writeAndFlush(data);
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}
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// 关闭指定的服务端连接
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public void closeServerConnection(Channel serverChannel) {
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serverChannel.close();
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serverChannels.remove(serverChannel);
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}
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// 关闭所有服务端连接
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public void closeAllServerConnections() {
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for (Channel serverChannel : serverChannels) {
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serverChannel.close();
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}
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serverChannels.clear();
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}
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/**
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* 初始化方法
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*/
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//@Override
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public void run(ApplicationArguments args) {
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if (!tcpClientEnable) {
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return;
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}
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EventLoopGroup group = new NioEventLoopGroup();
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Bootstrap bootstrap = new Bootstrap();
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bootstrap.group(group)
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.channel(NioSocketChannel.class)
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.option(ChannelOption.TCP_NODELAY, true)
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.option(ChannelOption.SO_KEEPALIVE, true)
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.handler(new DynamicClientInitializer());
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List<ArdEquipRadar> ardEquipRadars = ardEquipRadarService.selectArdEquipRadarList(new ArdEquipRadar());
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for (ArdEquipRadar ardEquipRadar : ardEquipRadars) {
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String host = ardEquipRadar.getIp();
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Integer port = Integer.valueOf(ardEquipRadar.getPort());
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log.debug("TCP client try to connect radar【：" + host + ":" + port+"】");
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// connectServer(ardEquipRadar);//连接每一个雷达服务
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connect(bootstrap, ardEquipRadar);
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}
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}
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}
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