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@ -0,0 +1,350 @@
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package com.platform.service;
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import com.platform.cac.RemoteService;
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import com.platform.config.ServiceConfig;
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import com.platform.info.enums.ClientTypeEnum;
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import com.platform.info.enums.UavTypeEnum;
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import com.platform.info.mapping.HaborUavMap;
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import com.platform.info.mapping.UavIdMap;
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import com.platform.model.DirectControlUavParam;
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import com.platform.service.clientmanage.BaseClient;
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import com.platform.service.clientmanage.ClientManager;
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import com.platform.service.clientmanage.HaborClient;
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import com.platform.util.*;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.*;
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import io.netty.handler.timeout.IdleState;
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import io.netty.handler.timeout.IdleStateEvent;
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import io.netty.util.ReferenceCountUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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import java.net.InetSocketAddress;
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import java.nio.charset.Charset;
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import java.util.List;
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import java.util.Objects;
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import java.util.Optional;
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@Slf4j
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@Component
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@ChannelHandler.Sharable
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public class InMessageHandler1 extends ChannelInboundHandlerAdapter {
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private boolean debug;
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private StringUtil stringUtil;
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private SessionCache sessionCache;
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@Autowired
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RemoteService remoteService;
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private static final int head1 = 0xAA;
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private static final int head2 = 0x44;
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private static final int head3 = 0x61;
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private static final int lengthLow = 0x03;
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private static final int lengthHigh = 0x00;
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@Autowired
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public InMessageHandler1(SessionCache sessionCache, StringUtil stringUtil, ServiceConfig config) {
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this.stringUtil = stringUtil;
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this.sessionCache = sessionCache;
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this.debug = config.isDebug();
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
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log.error("【系统异常】======>", cause);
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ctx.close();
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}
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/**
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* 超时处理
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* 如果5秒没有接受客户端的心跳，就触发;
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*/
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@Override
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public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
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if (obj instanceof IdleStateEvent) {
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IdleStateEvent event = (IdleStateEvent) obj;
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IdleState state = event.state();
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BaseClient client = ClientManager.getClient(ctx.channel());
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if (state == IdleState.ALL_IDLE) {
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if (client != null) {
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// 设备离线，更改设备状态
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log.warn("【客户端" + ctx.channel().remoteAddress() + "读超时】");
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ChannelFuture future = ctx.channel().close();
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if (!future.isSuccess()) {
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log.warn("【客户端异常关闭】", future.cause());
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}
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}
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} else if (state == IdleState.WRITER_IDLE) {
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if (client != null) {
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log.warn("【客户端" + ctx.channel().remoteAddress() + "写超时】");
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}
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}
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}
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super.userEventTriggered(ctx, obj);
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}
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@Override
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public void channelActive(ChannelHandlerContext ctx) throws Exception {
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Channel channel = ctx.channel();
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// 获取对方ip和端口
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InetSocketAddress remoteAddress = (InetSocketAddress) channel.remoteAddress();
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String haborSn = String.format("%06d", remoteAddress.getPort()); // 远端端口当作哈勃序列号
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try {
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if ("040001".equals(haborSn) || "040002".equals(haborSn) || "040003".equals(haborSn)) {
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String deviceCode = haborSn;
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// 删除旧的连接。如果存在异常断开的时候，旧连接并未清除。这里在上线的时候检查并清除
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String addr0 = sessionCache.snToAddMap.get(deviceCode);
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if (Objects.nonNull(addr0)) {
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sessionCache.tcpSession.remove(addr0);
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sessionCache.addToSnMap.remove(addr0);
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log.info("【握手删除旧连接】====> " + addr0 + "(" + deviceCode + ")删除");
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}
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// 添加新连接
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String address = getAddress(ctx);
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sessionCache.addToSnMap.put(address, deviceCode); // ip-mac
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sessionCache.snToAddMap.put(deviceCode, address); // mac- ip
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sessionCache.tcpSession.put(address, ctx.channel()); // ip - channel
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haborSignIntoCac(haborSn, channel);
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}
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} catch (Exception e) {
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log.error("哈勃上线失败, haborSn={}", haborSn, e);
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}
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}
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@Override
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public void channelRead(ChannelHandlerContext ctx, Object msg0) throws Exception {
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String address = getAddress(ctx);
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final ByteBuf msgBuf = (ByteBuf) msg0;
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// 上线握手阶段
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if (!sessionCache.addToSnMap.containsKey(address)) { // 判断连接是否已经建立，如未建立则先握手
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try {
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// if (msgBuf.getByte(0) != (byte) 0xAA || msgBuf.getByte(1) != (byte) 0x44) {
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// return;
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// }
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byte[] msg = new byte[msgBuf.readableBytes()];
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msgBuf.readBytes(msg);
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log.info("【接收握手原数据】 " + ByteUtils.bytes2HexString(msg));
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// 握手数据不满足协议长度，立即返回
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// String d = stringUtil.bytesToHexString(msg);
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// byte[] crc = CRC.crc16(msg, 2, 16);
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// if (crc[0] != msg[18] || crc[1] != msg[19]){
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// log.warn("握手数据crc校验错误，期望crc " + stringTool.bytesToHexString(crc) + ", 实际收到 " + d);
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// protocolAck(ctx,(byte) 0);
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// return;
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// }
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// 数据类型 1为地面站 2为终端设备
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String type = new String(msg, 5, 1, Charset.defaultCharset());
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// deviceCode 终端设备取后六位
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String deviceCode;
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String typeName;
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if (type.equals("1")) {
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// 首先读取deviceCode， 哈勃deviceCode是后6个byte
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typeName = "地面站";
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deviceCode = new String(msg, 6, 12, Charset.defaultCharset()).toUpperCase(); // 地面站
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protocolAck(ctx, (byte) 1);
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} else if (type.equals("2")) {
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typeName = "哈勃终端";
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deviceCode = new String(msg, 12, 6, Charset.defaultCharset()).toUpperCase(); // 哈勃上线
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protocolAck(ctx, (byte) 1);
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haborSignIntoCac(deviceCode, ctx.channel());
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} else {
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protocolAck(ctx, (byte) 0); // 握手失败
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return;
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}
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log.info("【读取握手数据】======> deviceCode = " + deviceCode + " type = " + typeName);
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// 删除旧的连接。如果存在异常断开的时候，旧连接并未清除。这里在上线的时候检查并清除
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String addr0 = sessionCache.snToAddMap.get(deviceCode);
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if (Objects.nonNull(addr0)) {
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sessionCache.tcpSession.remove(addr0);
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sessionCache.addToSnMap.remove(addr0);
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log.info("【握手删除旧连接】====> " + addr0 + "(" + deviceCode + ")删除");
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}
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// 添加新连接
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sessionCache.addToSnMap.put(address, deviceCode); // ip-mac
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sessionCache.snToAddMap.put(deviceCode, address); // mac- ip
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sessionCache.tcpSession.put(address, ctx.channel()); // ip - channel
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return; // 握手结束立即返回
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} finally {
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msgBuf.release();
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}
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}
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// 已经建立连接且非地面站控制信息，则进行数据转发
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else {
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final ByteBuf bufToTransfer = msgBuf.duplicate(); // 转发，保留原始索引
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String sn = sessionCache.addToSnMap.get(address); // sn =mac
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// 监控相关
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if (!sessionCache.snToMonitorMap.isEmpty()) {
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Optional<Channel> sendChannelOpt = sessionCache.findMonitorChannel(address);
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if (sendChannelOpt.isPresent()) {
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Channel sendChannel = sendChannelOpt.get();
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log.info("(监控)out channel: " + sendChannel.remoteAddress() + "(" + sessionCache.addToSnMap.get(sendChannel.remoteAddress().toString().replace("/", ""))
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+ ") 即将发送 --- " + "in channel: " + ctx.channel().remoteAddress() + "(" + sn + ")发来的TCP消息");
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sendChannel.writeAndFlush(bufToTransfer.retain()).addListener(
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future -> {
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// TODO 2025/1/17: 需优化
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if (!future.isSuccess()) {
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bufToTransfer.release();
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}
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}
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);
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}
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}
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if (!sessionCache.mappingListMap.isEmpty() && sessionCache.mappingListMap.get(sn) != null) {
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if (debug) {
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// log.info("【转发数据】======> " + ByteBufUtil.hexDump(msgBuf));
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}
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List<Channel> sendChannelOpt = sessionCache.findMappingTargetChannel(sn); // 设备编号对应的通道
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// log.info("send channel count of {} = {}", sn, sendChannelOpt.size());
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sendChannelOpt.forEach(sendChannel -> {
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// log.info("out channel: " + sendChannel.remoteAddress() + "(" + sessionCache.addToSnMap.get(sendChannel.remoteAddress().toString().replace("/", "")) + ")即将发送 --- " + "in channel: " + ctx.channel().remoteAddress() + "(" + sn + ")发来的TCP消息");
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// TODO 2025/1/17: 大量打印日志消耗性能，需要优化，用更合理的方式显示通信对象状态
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// log.debug("out channel: {} ({})即将发送 --- from channel: {} ({})", sendChannel.remoteAddress(), sessionCache.addToSnMap.get(sendChannel.remoteAddress().toString().replace("/", "")), ctx.channel().remoteAddress(), sn);
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// 如果需要发送，则增加一次计数引用，便于中心指控继续使用buffer
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sendChannel.writeAndFlush(bufToTransfer.retain()).addListener(
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future -> {
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// TODO 2025/1/17: 需优化
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if (!future.isSuccess()) {
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bufToTransfer.release();
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} else {
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// log.info("发送成功: {}, {} ", sendChannel.remoteAddress(), ByteBufUtil.hexDump(bufToTransfer));
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}
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}
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);
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});
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}
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}
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BaseClient client = ClientManager.getClient(ctx.channel());
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if (client == null || client.getClientType() != ClientTypeEnum.HABOR) {
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if (msgBuf != null) {
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msgBuf.release();
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}
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return;
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} else {
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// 直接传递当前引用，不需要增加引用计数
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ctx.fireChannelRead(msgBuf);
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}
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}
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/**
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* 接入中心指控系统, 上线
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*/
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private void haborSignIntoCac(String haborSn, Channel channel) {
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// UavIdMap.addMap(UavTypeEnum.FP981A, 1, "5");
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// HaborUavMap.addMap("5", "23293F");
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// UavIdMap.addMap(UavTypeEnum.FP981A, 2, "6");
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// HaborUavMap.addMap("6", "040000");
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// UavIdMap.addMap(UavTypeEnum.FP981A, 3, "3");
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// HaborUavMap.addMap("7", "000777");
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if (!HaborUavMap.haborIsControllable(haborSn)) {
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DirectControlUavParam info = remoteService.queryCacDirectControlUavInfo(haborSn);// 缓存没查到就向中心指控查一遍，查不到就直接退出
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if (info == null) {
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log.info("[cac] 未查询到哈勃终端-{}的信息，跳过上线", haborSn);
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return;
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}
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}
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if (ClientManager.getClient(channel) != null) {
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// TODO 2025/1/17: 重复上线的如何处理
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return;
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}
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String uavId = HaborUavMap.getUavIdByHaborSn(haborSn);
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UavTypeEnum uavType = UavIdMap.getUavType(uavId);
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// 新建哈勃客户端并加入管理
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HaborClient client = HaborClient.createClient(uavType, haborSn, channel);
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if (client != null) {
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ClientManager.addAndOnline(client);
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// channel.pipeline().addAfter(); // 上线后添加相关处理器
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}
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}
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/**
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* 哈勃下线
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*/
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private void haborSignOutOfCac(Channel channel) {
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BaseClient client = ClientManager.getClient(channel);
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if (client != null) {
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ClientManager.removeAndOffline(client);
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}
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}
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private void protocolAck(ChannelHandlerContext ctx, byte success) {
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byte[] ack = new byte[8];
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ack[0] = (byte) head1;
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ack[1] = (byte) head2;
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ack[2] = (byte) head3;
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ack[3] = (byte) lengthLow;
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ack[4] = (byte) lengthHigh;
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ack[5] = success;
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byte[] crc = CRCUtil.crc16(ack, 2, 4);
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ack[6] = crc[0];
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ack[7] = crc[1];
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ctx.channel().writeAndFlush(ack);
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}
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private void response(ChannelHandlerContext ctx, byte[] content) {
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ByteBuf buf = Unpooled.buffer(content.length + 4);
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buf.writeByte((byte) 0xcc);
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buf.writeByte((byte) 0x06);
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buf.writeByte((byte) 0x04);
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buf.writeByte((byte) 0x01);
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buf.writeBytes(content);
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// ack[4] = (byte) 0x01;
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ctx.channel().writeAndFlush(buf);
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}
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@Override
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public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
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log.warn("【设备上线】====> " + getAddress(ctx) + "上线");
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sessionCache.tcpSession.put(getAddress(ctx), ctx.channel());
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super.handlerAdded(ctx);
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}
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private String getAddress(ChannelHandlerContext ctx) {
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String address = ctx.channel().remoteAddress().toString().toUpperCase();
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|
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return address.replace("/", "");
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}
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@Override
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|
public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
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|
|
String addr = getAddress(ctx);
|
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|
|
String sn = sessionCache.addToSnMap.get(addr);
|
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|
|
log.warn("【设备离线】====> " + addr + "(" + sn + ")离线");
|
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|
|
ControlDevice.clearCurrenCtrDeviceByMac(sn);
|
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|
|
sessionCache.tcpSession.remove(addr);
|
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|
|
sessionCache.addToSnMap.remove(addr);
|
|
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|
|
if (!StringUtils.isEmpty(sn)) {
|
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|
|
// 只有当要被删除的地址跟snToAddMap里面的地址匹配的时候才删除，
|
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|
|
// 因为存在一种情况，同一个sn上线了，snToAddMap数据已经被正确的地址覆盖，此时不应该删除
|
|
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|
|
if (addr.equals(sessionCache.snToAddMap.get(sn))) {
|
|
|
|
|
sessionCache.snToAddMap.remove(sn);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
haborSignOutOfCac(ctx.channel());
|
|
|
|
|
super.handlerRemoved(ctx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
shiyi
1 month ago