package org.springblade.system.nettyServer;
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import io.netty.buffer.ByteBuf;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInboundHandlerAdapter;
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import org.springframework.stereotype.Component;
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import javax.annotation.PostConstruct;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.concurrent.ConcurrentHashMap;
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@Component
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public class ServerHandler extends ChannelInboundHandlerAdapter {
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private String reg_LA = "LA[d]{8}[d|A-F]{12}[d|A-F]{8}[d|A-Z]{2}[d|A-F]{4}[x2A][d|A-F]{6}[#@]";
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private String reg_LB = "LB[\\d|A-F]{12}[\\x2A].*[#@]";
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private String reg_LB2 = "LB[\\d|A-F]{6}[\\x2A].*[#@]";
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private String reg_LD = "LD[d]{8}[d|A-F]{12}:[A-Z]{4}[\\x2A].*[#@]";
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private ConcurrentHashMap<String, Channel> sessionChannelMap = new ConcurrentHashMap<String, Channel>();
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private static ServerHandler serverHandler;
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@PostConstruct
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public void init() {
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serverHandler = this;
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}
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/**
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* 客户端与服务端创建连接的时候调用
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*/
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@Override
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public void channelActive(ChannelHandlerContext ctx) throws Exception {
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System.out.println("CTX:" + ctx.channel());
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System.out.println("客户端与服务端连接开始...");
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// ChannelId id = ctx.channel().id();
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// String s = id.toString();
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//NettyConfig.group.add(ctx.channel());
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}
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/**
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* 客户端与服务端断开连接时调用
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*/
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@Override
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public void channelInactive(ChannelHandlerContext ctx) throws Exception {
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System.out.println("客户端与服务端连接关闭...");
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}
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/**
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* 服务端接收客户端发送过来的数据结束之后调用
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*/
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
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ctx.flush();
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System.out.println("信息接收完毕...");
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}
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/**
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* 工程出现异常的时候调用
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*/
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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cause.printStackTrace();
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ctx.close();
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}
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/**
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* 服务端处理客户端websocket请求的核心方法，这里接收了客户端发来的信息
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*/
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@Override
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public void channelRead(ChannelHandlerContext channelHandlerContext, Object info) throws Exception {
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long startTime1 = System.currentTimeMillis();
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Date day = new Date();
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SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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System.out.println("接收到了：" + info);
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ByteBuf buf = (ByteBuf) info;
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byte[] req = new byte[buf.readableBytes()];
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buf.readBytes(req);
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String body = new String(req, "UTF-8");
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String content = body;
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System.out.println("【TCP】>>>>>> 接收客户端数据:" + body);
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String state="系统故障"; //设备故障状态
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String reason=null; //故障原因
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//获取字符串的长度
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int length = content.length();
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//当字符串长度大于200时，采集体温数据，小于则采集报警数据
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System.out.println("tcp报文长度 = " + length);
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// channelHandlerContext.writeAndFlush(Unpooled.copiedBuffer("LEOK#@!", CharsetUtil.UTF_8));
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//服务端使用这个就能向 每个连接上来的客户端群发消息
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//NettyConfig.group.writeAndFlush(info);
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// Iterator<Channel> iterator = NettyConfig.group.iterator();
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// System.out.println("iterator:"+iterator);
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// while(iterator.hasNext()){
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// //打印出所有客户端的远程地址
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// System.out.println((iterator.next()).remoteAddress());
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//
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// }
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}
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}
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