From 3f21cddda071af37e902c98c8e6b0f82dd9dd303 Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期三, 04 六月 2025 18:34:01 +0800
Subject: [PATCH] 优化报警附件逻辑
---
ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/util/jtt809/encoder/Jtt809Encoder.java | 117 +++++++++++++++++++++++++++-------------------------------
1 files changed, 55 insertions(+), 62 deletions(-)
diff --git a/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/util/jtt809/encoder/Jtt809Encoder.java b/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/util/jtt809/encoder/Jtt809Encoder.java
index 43c6349..9f9536c 100644
--- a/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/util/jtt809/encoder/Jtt809Encoder.java
+++ b/ruoyi-service/ruoyi-dataInterchange/src/main/java/com/ruoyi/dataInterchange/util/jtt809/encoder/Jtt809Encoder.java
@@ -8,71 +8,64 @@
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
-
-import java.nio.charset.StandardCharsets;
-import java.time.LocalDateTime;
-import java.time.ZoneOffset;
+import lombok.extern.slf4j.Slf4j;
/**
* @author tucke
*/
+@Slf4j
public class Jtt809Encoder extends MessageToByteEncoder<OuterPacket> {
-
-
- @Override
- protected void encode(ChannelHandlerContext ctx, OuterPacket packet, ByteBuf out) throws Exception {
- if (packet == null) {
- return;
- }
- int gnsscenterId;
- if (ctx.channel().hasAttr(Jtt809Constant.NettyAttribute.GNSS_CENTER_ID)) {
- gnsscenterId = Integer.parseInt(ctx.channel().attr(Jtt809Constant.NettyAttribute.GNSS_CENTER_ID).get());
- } else {
- gnsscenterId = packet.getGnsscenterId();
- }
- byte[] body = packet.getBody();
- if (body == null) {
- body = new byte[0];
- }
- // 32 = 头标识[1] + 数据头[30 = 长度[4] + 序列号[4] + 数据类型[2] + 接入码[4] + 版本号[3] + 加密标识[1] + 密钥[4]] + 时间[8] + 尾标识[1]
- int len = body.length + 32;
- out.markReaderIndex();
- // 数据长度
- out.writeInt(len);
- // 序列号
- out.writeInt(GnssCenterService.getInstance().serialNo(gnsscenterId));
- // 业务数据类型
- out.writeShort(packet.getId());
- // 下级平台接入码
- out.writeInt(gnsscenterId);
- // 版本号
- out.writeByte(1);
- out.writeByte(0);
- out.writeByte(0);
- // 报文加密标识位
- out.writeByte(0);
- // 数据加密的密钥
- out.writeInt(0);
- // 数据体
- out.writeBytes(body);
- // 校验码
- byte[] crcBytes = new byte[out.readableBytes()];
- out.readBytes(crcBytes);
- out.writeShort(CRC16CCITT.crc16(crcBytes));
-
- // 转义
- out.resetReaderIndex();
- byte[] escapeBytes = new byte[out.readableBytes()];
- out.readBytes(escapeBytes);
-
- // 重置下标
- out.setIndex(0, 0);
- // 包头标识
- out.writeByte(Jtt809Constant.PACKET_HEAD_FLAG);
- // 数据内容
- out.writeBytes(Jtt809Util.escape(escapeBytes));
- // 包尾标识
- out.writeByte(Jtt809Constant.PACKET_END_FLAG);
- }
-
+
+
+ @Override
+ protected void encode(ChannelHandlerContext ctx, OuterPacket packet, ByteBuf out) throws Exception {
+ if (packet == null) {
+ return;
+ }
+ int gnsscenterId = packet.getGnsscenterId();
+ byte[] body = packet.getBody();
+ if (body == null) {
+ body = new byte[0];
+ }
+ // 26 = 头标识[1] + 数据头[22 = 长度[4] + 序列号[4] + 数据类型[2] + 接入码[4] + 版本号[3] + 加密标识[1] + 密钥[4]] + 校验码[2] + 尾标识[1]
+ int len = body.length + 26;
+ out.markReaderIndex();
+ // 数据长度
+ out.writeInt(len);
+ // 序列号
+ out.writeInt(GnssCenterService.getInstance().serialNo(gnsscenterId));
+ // 业务数据类型
+ out.writeShort(packet.getId());
+ // 下级平台接入码
+ out.writeInt(gnsscenterId);
+ // 版本号
+ out.writeByte(1);
+ out.writeByte(0);
+ out.writeByte(0);
+ // 报文加密标识位
+ out.writeByte(0);
+ // 数据加密的密钥
+ out.writeInt(0);
+ // 数据体
+ out.writeBytes(body);
+ // 校验码
+ byte[] crcBytes = new byte[out.readableBytes()];
+ out.readBytes(crcBytes);
+ out.writeShort(CRC16CCITT.crc16(crcBytes));
+
+ // 转义
+ out.resetReaderIndex();
+ byte[] escapeBytes = new byte[out.readableBytes()];
+ out.readBytes(escapeBytes);
+
+ // 重置下标
+ out.setIndex(0, 0);
+ // 包头标识
+ out.writeByte(Jtt809Constant.PACKET_HEAD_FLAG);
+ // 数据内容
+ out.writeBytes(Jtt809Util.escape(escapeBytes));
+ // 包尾标识
+ out.writeByte(Jtt809Constant.PACKET_END_FLAG);
+ }
+
}
--
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