解析报文

This commit is contained in:
Guoqs
2024-07-31 15:27:59 +08:00
parent e7db8be29e
commit a6d3cf3366
2 changed files with 11 additions and 45 deletions

View File

@@ -88,7 +88,7 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
// 处理68协议消息
private void decode68Message(ByteBuf buffer, List<Object> out, int beginReader) {
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1) {
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + 2) {
buffer.readerIndex(beginReader);
return;
}
@@ -96,14 +96,14 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
// 获取消息长度
int length = buffer.getUnsignedByte(beginReader + HEADER_LENGTH_68);
// 检查剩余数据是否足够
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length) {
if (buffer.readableBytes() < HEADER_LENGTH_68 + 1 + length + 2) {
buffer.readerIndex(beginReader);
return;
}
// 读取 data 数据
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length);
buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length);
// 读取 data 数据 最后+2是帧校验域长度
ByteBuf frame = buffer.retainedSlice(beginReader, HEADER_LENGTH_68 + 1 + length + 2);
buffer.readerIndex(beginReader + HEADER_LENGTH_68 + 1 + length + 2);
out.add(frame);
}