From f56262ee1cb3c554878984e3536ab55a298bdedf Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期二, 11 三月 2025 09:02:16 +0800
Subject: [PATCH] 修改809对接bug
---
ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/netty/client/NettyClient.java | 87 ++++++++++++++++++++++++++++++++++++++-----
1 files changed, 76 insertions(+), 11 deletions(-)
diff --git a/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/netty/client/NettyClient.java b/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/netty/client/NettyClient.java
index 0237e60..4fb8ea5 100644
--- a/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/netty/client/NettyClient.java
+++ b/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/netty/client/NettyClient.java
@@ -1,9 +1,14 @@
package com.ruoyi.dataInterchange.netty.client;
-import com.ruoyi.dataInterchange.netty.server.NettyHandle;
+import com.ruoyi.dataInterchange.util.jtt809.common.ByteArrayUtil;
+import com.ruoyi.dataInterchange.util.jtt809.common.Jtt809Constant;
+import com.ruoyi.dataInterchange.util.jtt809.common.Jtt809Util;
import com.ruoyi.dataInterchange.util.jtt809.decoder.Jtt809Decoder;
import com.ruoyi.dataInterchange.util.jtt809.encoder.Jtt809Encoder;
+import com.ruoyi.dataInterchange.util.jtt809.gnsscenter.GnssCenterService;
import io.netty.bootstrap.Bootstrap;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
@@ -11,8 +16,6 @@
import io.netty.handler.timeout.IdleStateHandler;
import java.net.InetSocketAddress;
-import java.util.HashMap;
-import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
@@ -30,8 +33,6 @@
private int port;
-
-
public NettyClient(String host, int port) {
this.host = host;
this.port = port;
@@ -40,6 +41,7 @@
/**
* 执行启动连接
+ *
* @throws Exception
*/
public void start(int code) throws Exception {
@@ -62,9 +64,9 @@
// 编码器
pipeline.addLast("encoder", new Jtt809Encoder());
// 空闲检测处理器 触发空闲状态事件 读空闲：5秒 写空闲：7秒 读写空闲：10秒
- pipeline.addLast(new IdleStateHandler(5,7,3, TimeUnit.SECONDS));
+ pipeline.addLast(new IdleStateHandler(5, 7, 3, TimeUnit.SECONDS));
// 处理器
- pipeline.addLast("handler", new NettyHandle());
+// pipeline.addLast("handler", new NettyHandle());
}
});
// • 调用Bootstrap.connect()来连接服务器
@@ -80,10 +82,73 @@
}
public static void main(String[] args) {
- try {
- new NettyClient("221.182.45.100", 1000).start(1);
- } catch (Exception e) {
- throw new RuntimeException(e);
+ byte[] bytess = ByteArrayUtil.hexStr2Bytes("5B0000001F0000002B1002010A66F80100000000000000000000200C8E075D");
+ ByteBuf msg = Unpooled.wrappedBuffer(bytess);
+
+ byte[] readableBytes = new byte[msg.readableBytes()];
+ msg.readBytes(readableBytes);
+ // 反转义处理
+ byte[] bytes = Jtt809Util.unescape(readableBytes);
+ ByteBuf byteBuf = Unpooled.wrappedBuffer(bytes);
+ // 判断包头
+ if (byteBuf.readByte() != Jtt809Constant.PACKET_HEAD_FLAG) {
+ byteBuf.resetReaderIndex();
+ return;
}
+ // crc校验
+// if (!Jtt809Util.validate(byteBuf)) {
+// return;
+// }
+
+ /* 解析外层包 */
+ // 长度
+ long length = byteBuf.readUnsignedInt();
+ // 长度校验, 反转义之后数组加上包头和包尾长度与解析出来的长度对比；
+ // 因为数据长度不包含校验码，而此时解析出来的数据不包含头尾标识，刚好都是2个字节，所以两个长度应该相等
+// if (length != bytes.length) {
+// log.warn("消息长度校验错误，报文解析出来长度为 {}, 实际可解析的长度为 {}", length, bytes.length);
+// return;
+// }
+ // 报文序列号
+ long sn = byteBuf.readUnsignedInt();
+ // 业务数据类型
+ int id = byteBuf.readUnsignedShort();
+ // 下级平台接入码
+ int gnsscenterId = byteBuf.readInt();
+ // 协议版本号标识
+ String version = "v" + byteBuf.readByte() + "." + byteBuf.readByte() + "." + byteBuf.readByte();
+ // 报文加密标识位
+ byte encryptFlag = byteBuf.readByte();
+ // 数据加密解密的密匙
+ long encryptKey = byteBuf.readUnsignedInt();
+ // 2019版
+// String date = byteBuf.readByte() + "-" + byteBuf.readByte() + "-" + byteBuf.readShort() + " " +
+// byteBuf.readByte() + ":" + byteBuf.readByte() + ":" + byteBuf.readByte();
+// long time = 0;
+// try {
+// time = DateUtils.parseDate(date, "dd-MM-yyyy HH:mm:ss").getTime();
+// } catch (ParseException e) {
+// log.warn("日期 [{}] 解析错误", date);
+// }
+
+ // 消息体
+ byte[] body;
+ if (encryptFlag == 1) {
+ byte[] encryptedBytes = new byte[byteBuf.readableBytes() - 2];
+ byteBuf.readBytes(encryptedBytes);
+ // 解密
+ int[] param = GnssCenterService.getInstance().getDecryptParam(gnsscenterId);
+ Jtt809Util.decrypt(param[0], param[1], param[2], encryptKey, encryptedBytes);
+ body = encryptedBytes;
+ } else {
+ body = new byte[byteBuf.readableBytes() - 2];
+ byteBuf.readBytes(body);
+ }
+ ByteBuf buf = Unpooled.wrappedBuffer(body);
+ int result = buf.readByte();
+ int verifyCode = buf.readInt();
+ // 校验码
+ int crcCode = byteBuf.readUnsignedShort();
+ //{"result":0,"verifyCode":658}
}
}
--
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