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Guoqs
2024-12-29 11:18:42 +08:00
parent c9bfa8ace8
commit 4e85f4cc05
1 changed files with 33 additions and 33 deletions
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66
jsowell-netty/src/main/java/com/jsowell/netty/decoder/YouDianProtocolDecoder.java
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@@ -61,13 +61,13 @@ public class YouDianProtocolDecoder extends ByteToMessageDecoder {
}
// 检查包头是否是 68 协议
// if (buffer.readableBytes() >= HEADER_LENGTH_68) {
// if (buffer.getUnsignedByte(beginReader) == 0x68) {
// // 处理 68 协议
// decode68Message(buffer, out, beginReader);
// return;
// }
// }
if (buffer.readableBytes() >= HEADER_LENGTH_68) {
if (buffer.getUnsignedByte(beginReader) == 0x68) {
// 处理 68 协议
decode68Message(buffer, out, beginReader);
return;
}
}
// 未知协议，还原读指针
buffer.resetReaderIndex();
@@ -85,34 +85,34 @@ public class YouDianProtocolDecoder extends ByteToMessageDecoder {
}
// 判断是否为68包头
// private boolean isStartOf68Header(ByteBuf buffer, int beginReader) {
// if (buffer.readableBytes() >= HEADER_LENGTH_68) {
// return buffer.getUnsignedByte(beginReader) == 0x68;
// }
// return false;
// }
private boolean isStartOf68Header(ByteBuf buffer, int beginReader) {
if (buffer.readableBytes() >= HEADER_LENGTH_68) {
return buffer.getUnsignedByte(beginReader) == 0x68;
}
return false;
}
// 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 + 2) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 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 + 2) {
// buffer.readerIndex(beginReader);
// return;
// }
//
// // 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);
// }
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 + 2) {
buffer.readerIndex(beginReader);
return;
}
// 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 + 2) {
buffer.readerIndex(beginReader);
return;
}
// 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);
}
// 处理DNY协议消息
private void decodeDnyMessage(ByteBuf buffer, List<Object> out, int beginReader) {