package com.ard.utils.tcp;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelFutureListener;
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import io.netty.channel.ChannelInitializer;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.SocketChannel;
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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.scheduling.annotation.Async;
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import org.springframework.scheduling.annotation.EnableAsync;
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import org.springframework.stereotype.Component;
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/**
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* @Description:
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* @ClassName: NettyTcpClient
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* @Author: 刘苏义
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* @Date: 2023年06月25日17:00
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* @Version: 1.0
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**/
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@EnableAsync
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@Component
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@Slf4j(topic = "radar")
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public class NettyTcpClient {
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@Async
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public void init(String host, Integer port) {
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NioEventLoopGroup 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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.handler(new ChannelInitializer<SocketChannel>() {
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@Override
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protected void initChannel(SocketChannel ch) throws Exception {
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ch.pipeline().addLast(new NettyTcpClientHandler());
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}
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});
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ChannelFuture future = bootstrap.connect(host, port).sync();
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// 添加连接成功的监听器
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future.addListener((ChannelFutureListener) future1 -> {
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if (future1.isSuccess()) {
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log.info("tcp连接成功"+host+":"+port);
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} else {
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log.info("tcp连接失败"+host+":"+port);
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}
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});
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future.channel().closeFuture().sync();
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} catch (Exception ex) {
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log.error("nettyTcp客户端初始化异常:" + ex.getMessage());
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} finally {
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group.shutdownGracefully();
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}
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}
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}
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