~zhangnaisong/ruoyi-api-alarm.git

			@@ -1,11 +1,17 @@
			package com.ard.utils.tcp;

			import com.ard.utils.SpringTool;
			import io.netty.buffer.ByteBuf;
			import io.netty.channel.ChannelHandlerContext;
			import io.netty.channel.SimpleChannelInboundHandler;
			import lombok.extern.slf4j.Slf4j;
			import sun.nio.cs.ext.GBK;

			import javax.xml.bind.DatatypeConverter;
			import java.nio.charset.Charset;
			import java.nio.charset.StandardCharsets;
			import java.text.SimpleDateFormat;
			import java.util.*;

			/**
			* @Description: tcp客户端处理
			@@ -14,30 +20,328 @@
			* @Date: 2023年06月25日17:02
			* @Version: 1.0
			**/
			@Slf4j
			@Slf4j(topic = "radar")
			public class NettyTcpClientHandler extends SimpleChannelInboundHandler<ByteBuf> {

			@Override
			protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg){
			// 处理接收到的消息
			byte[] byteArray = new byte[msg.readableBytes()];
			msg.getBytes(msg.readerIndex(), byteArray);
			String hexString = DatatypeConverter.printHexBinary(byteArray);

			log.info("Received: " + hexString);
			byte[] bytes = receiveCompletePacket(byteArray);
			if (bytes != null) {
			String hexString = DatatypeConverter.printHexBinary(bytes);
			log.info(hexString);
			processData(bytes);
			}
			}

			@Override
			public void channelActive(ChannelHandlerContext ctx) throws Exception {
			public void channelActive(ChannelHandlerContext ctx) {
			// 当客户端连接成功后，发送消息给服务器
			TimerTask timerTask = new TimerTask() {
			@Override
			public void run() {
			ByteBuf message = ctx.alloc().buffer();
			message.writeBytes("Hello, Server!".getBytes());
			byte[] heart = {0x01, 0x02, 0x01, 0x10, 0x00, 0x00, 0x00, (byte) 0x83, (byte) 0x88, 0x5d, 0x71, 0x01, 0x02, 0x00};
			String hexString = DatatypeConverter.printHexBinary(heart);
			log.info("发送心跳:" + hexString);
			message.writeBytes(heart);
			ctx.writeAndFlush(message);
			}
			};
			Timer timer = new Timer();
			// timer.schedule(timerTask, 0, 6000);
			}

			@Override
			public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause){
			log.error("连接异常");
			// 发生异常时的处理
			cause.printStackTrace();
			ctx.close();
			}

			public static void processData(byte[] data) {
			try {
			data = transferData(data);//去掉包头和包尾及转义
			String s = DatatypeConverter.printHexBinary(data);
			log.info(s);
			byte[] type = Arrays.copyOfRange(data, index.type[0], index.type[1]);//命令类型
			log.info("命令类型:" + DatatypeConverter.printHexBinary(type));

			byte[] cmdId = Arrays.copyOfRange(data, index.funcc[0], index.funcc[1]);//命令ID
			log.info("命令ID:" + DatatypeConverter.printHexBinary(cmdId));

			byte[] payloadSize = Arrays.copyOfRange(data, index.payloadSize[0], index.payloadSize[1]);//有效负载大小
			// log.info("有效负载大小:" + DatatypeConverter.printHexBinary(payloadSize));
			payloadSize = toLittleEndian(payloadSize);
			// log.info("有效负载大小(转小端):" + DatatypeConverter.printHexBinary(payloadSize));
			int payloadSizeToDecimal = byteArrayToDecimal(payloadSize);
			log.info("有效负载大小(转整型):" + payloadSizeToDecimal);

			if (Arrays.equals(cmdId, new byte[]{0x01})) {
			byte[] dwTim = Arrays.copyOfRange(data, index.dwTim[0], index.dwTim[1]);
			// log.info("周视图像的出现时间:" + DatatypeConverter.printHexBinary(dwTim));
			dwTim = toLittleEndian(dwTim);
			// log.info("周视图像的出现时间(转小端):" + DatatypeConverter.printHexBinary(dwTim));
			// log.info("周视图像的出现时间(转整型):" + byteArrayToDecimal(dwTim));
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			long l = byteArrayToDecimal(dwTim);
			String format = sdf.format(l * 1000);
			log.info("周视图像的出现时间(转date):" + format);

			byte[] wTargetNum = Arrays.copyOfRange(data, index.wTargetNum[0], index.wTargetNum[1]);
			wTargetNum = toLittleEndian(wTargetNum);
			// log.info("目标总点数(转小端):" + DatatypeConverter.printHexBinary(wTargetNum));
			int targetNum = byteArrayToDecimal(wTargetNum);
			log.info("目标总点数(转整型):" + targetNum);

			//解析NET_TARGET_UNIT(64是NET_TARGET_HEAD的字节数)
			int unitIndex = index.acRes[1];
			log.info("有效负载无头起始位:" + unitIndex);

			// byte datum = data[unitIndex];
			// log.info("无头起始字节：" + SpringTool.byteToHex(datum));
			int UNITNum = (payloadSizeToDecimal - 64) / targetNum;
			log.info("单个Unit大小:" + UNITNum);
			for (int i = 0; i < targetNum; i++) {
			Integer index = unitIndex + UNITNum * i;
			byte[] dwID = Arrays.copyOfRange(data, index, index + 4);
			dwID = toLittleEndian(dwID);
			// log.info("dwID：" + DatatypeConverter.printHexBinary(dwID));
			int id = byteArrayToDecimal(dwID);
			log.info("目标ID号：" + id);

			byte[] dwGSum = Arrays.copyOfRange(data, index + 4, index + 8);
			dwGSum = toLittleEndian(dwGSum);
			int GSum = byteArrayToDecimal(dwGSum);
			log.info("目标当前像素灰度和：" + GSum);

			byte[] iDistance = Arrays.copyOfRange(data, index + 8, index + 12);
			iDistance = toLittleEndian(iDistance);
			int Distance = byteArrayToDecimal(iDistance);
			log.info("目标当前距离(m):" + Distance);

			byte[] iTw = Arrays.copyOfRange(data, index + 12, index + 16);
			iTw = toLittleEndian(iTw);
			int Tw = byteArrayToDecimal(iTw);
			log.info("目标当前的像素宽度:" + Tw);

			byte[] iTh = Arrays.copyOfRange(data, index + 16, index + 20);
			iTh = toLittleEndian(iTh);
			int Th = byteArrayToDecimal(iTh);
			log.info("目标当前的像素高度:" + Th);

			byte[] wPxlArea = Arrays.copyOfRange(data, index + 20, index + 22);
			wPxlArea = toLittleEndian(wPxlArea);
			int PxlArea = byteArrayToDecimal(wPxlArea);
			log.info("目标当前像素面积:" + PxlArea);

			byte[] cTrkNum = Arrays.copyOfRange(data, index + 22, index + 23);
			cTrkNum = toLittleEndian(cTrkNum);
			int TrkNum = byteArrayToDecimal(cTrkNum);
			log.info("轨迹点数:" + TrkNum);

			byte[] cStat = Arrays.copyOfRange(data, index + 23, index + 24);
			cStat = toLittleEndian(cStat);
			int Stat = byteArrayToDecimal(cStat);
			log.info("目标当前状态:" + Stat);

			byte[] sVx = Arrays.copyOfRange(data, index + 24, index + 26);
			sVx = toLittleEndian(sVx);
			int Vx = byteArrayToDecimal(sVx);
			log.info("目标当前速度矢量(像素距离)X:" + Vx);

			byte[] sVy = Arrays.copyOfRange(data, index + 26, index + 28);
			sVy = toLittleEndian(sVy);
			int Vy = byteArrayToDecimal(sVy);
			log.info("目标当前速度矢量(像素距离)Y:" + Vy);

			byte[] sAreaNo = Arrays.copyOfRange(data, index + 28, index + 30);
			sAreaNo = toLittleEndian(sAreaNo);
			int AreaNo = byteArrayToDecimal(sAreaNo);
			log.info("目标归属的告警区域号:" + AreaNo);

			byte[] cGrp = Arrays.copyOfRange(data, index + 30, index + 31);
			cGrp = toLittleEndian(cGrp);
			int Grp = byteArrayToDecimal(cGrp);
			log.info("所属组:" + Grp);

			byte[] szName = Arrays.copyOfRange(data, index + 64, index + 96);
			String str = new String(szName, "GBK");
			log.info("所属告警区域名称:" + str);
			}
			}
			} catch (Exception ex) {
			log.error(ex.getMessage());
			}
			}

			public static int byteArrayToDecimal(byte[] byteArray) {
			int decimalValue = 0;

			for (int i = 0; i < byteArray.length; i++) {
			decimalValue = (decimalValue << 8) \| (byteArray[i] & 0xFF);
			}

			return decimalValue;
			}

			public static byte[] toLittleEndian(byte[] bigEndianBytes) {
			byte[] littleEndianBytes = new byte[bigEndianBytes.length];

			for (int i = 0; i < bigEndianBytes.length; i++) {
			int j = bigEndianBytes.length - i - 1;
			littleEndianBytes[i] = bigEndianBytes[j];
			}

			return littleEndianBytes;
			}


			public static Integer processPayloadSize(String payloadSize) {//解析有效负载大小
			Integer payloadSizeInfo = 0;
			String[] payloadSizeArr = payloadSize.split("");
			for (int i = 0; i <= payloadSizeArr.length - 1; i++) {
			Integer num = null;
			switch (payloadSizeArr[i]) {
			case "0":
			num = 0;
			break;
			case "1":
			num = 1;
			break;
			case "2":
			num = 2;
			break;
			case "3":
			num = 3;
			break;
			case "4":
			num = 4;
			break;
			case "5":
			num = 5;
			break;
			case "6":
			num = 6;
			break;
			case "7":
			num = 7;
			break;
			case "8":
			num = 8;
			break;
			case "9":
			num = 9;
			break;
			case "a":
			num = 10;
			break;
			case "b":
			num = 11;
			break;
			case "c":
			num = 12;
			break;
			case "d":
			num = 13;
			break;
			case "e":
			num = 14;
			break;
			case "f":
			num = 15;
			break;
			default:
			break;
			}
			if (i % 2 == 0) {
			payloadSizeInfo = payloadSizeInfo + num * 16;
			} else {
			payloadSizeInfo = payloadSizeInfo + num * 256;
			}
			}
			return payloadSizeInfo;
			}

			public static Boolean checkPayloadSize(Integer payloadSizeInfo, String data) {//校验有效负载大小
			Integer payloadSize = (data.length() - 8 - 8) / 2;//去除包头8位和校验8位
			if (payloadSize.equals(payloadSizeInfo)) {
			return true;
			} else {
			return false;
			}
			}

			// 创建缓冲区列表
			List<Byte> buffer = new ArrayList<>();

			public byte[] receiveCompletePacket(byte[] receivedData) {
			// 定义包尾字节序列
			byte[] packetEnd = {0x01, 0x02, 0x00};
			// 添加已接收的数据到缓冲区
			for (byte data : receivedData) {
			buffer.add(data);
			}
			// 检查缓冲区中的数据是否包含完整的包
			while (buffer.size() >= packetEnd.length) {
			int endIndex = findPacketEndIndex(buffer, packetEnd);
			if (endIndex != -1) {
			// 找到完整的包
			byte[] packet = extractPacketFromBuffer(buffer, endIndex + packetEnd.length);
			return packet;
			} else {
			// 未找到包尾，继续接收数据
			break;
			}
			}

			// 未找到完整的包
			return null;
			}

			public static int findPacketEndIndex(List<Byte> buffer, byte[] packetEnd) {
			for (int i = 0; i <= buffer.size() - packetEnd.length; i++) {
			boolean isMatch = true;
			for (int j = 0; j < packetEnd.length; j++) {
			if (buffer.get(i + j) != packetEnd[j]) {
			isMatch = false;
			break;
			}
			}
			if (isMatch) {
			return i;
			}
			}
			return -1;
			}

			public static byte[] extractPacketFromBuffer(List<Byte> buffer, int endIndex) {
			byte[] packet = new byte[endIndex];
			for (int i = 0; i < endIndex; i++) {
			packet[i] = buffer.get(i);
			}
			buffer.subList(0, endIndex).clear();
			return packet;
			}

			//去掉包头和包尾校验及转义
			public static byte[] transferData(byte[] data) {
			data = Arrays.copyOfRange(data, 3, data.length);
			data = Arrays.copyOfRange(data, 0, data.length - 7);
			String dataStr = DatatypeConverter.printHexBinary(data);
			if (dataStr.contains("01020201")) {//转义01020201
			dataStr = dataStr.replaceAll("01020201", "010201");
			}
			if (dataStr.contains("01020200")) {//转义01020200
			dataStr = dataStr.replaceAll("01020200", "010200");
			}
			if (dataStr.contains("01020202")) {//转义01020202
			dataStr = dataStr.replaceAll("01020202", "010202");
			}
			data = DatatypeConverter.parseHexBinary(dataStr);
			return data;
			}
			}