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1078-处理分包发送

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This commit is contained in:
648540858 2024-04-20 00:07:37 +08:00
parent dd5ab573f2
commit 50e2565643
1 changed files with 11 additions and 1 deletions
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12
src/main/java/com/genersoft/iot/vmp/jt1078/codec/decode/Jt808Decoder.java
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@ -47,15 +47,25 @@ public class Jt808Decoder extends ByteToMessageDecoder {
Header header = new Header();
header.setMsgId(ByteBufUtil.hexDump(buf.readSlice(2)));
header.setMsgPro(buf.readUnsignedShort());
// 从消息属性中读取是否存在分包
boolean isSubpackage = (header.getMsgPro() >>> 13 & 1) == 1;
System.out.println("是否存在分包： " + isSubpackage);
if (header.is2019Version()) {
header.setVersion(buf.readUnsignedByte());
String devId = ByteBufUtil.hexDump(buf.readSlice(10));
header.setTerminalId(devId.replaceFirst("^0*", ""));
} else {
header.setTerminalId(ByteBufUtil.hexDump(buf.readSlice(6)).replaceFirst("^0*", ""));
}
header.setSn(buf.readUnsignedShort());
if (isSubpackage) {
int packageCount = buf.readUnsignedShort();
int packageNumber = buf.readUnsignedShort();
System.out.println("消息总包数: " + packageCount);
System.out.println("包序号: " + packageNumber);
}
Re handler = CodecFactory.getHandler(header.getMsgId());
if (handler == null) {
log.error("get msgId is null {}", header.getMsgId());