private void OnProcessOneMsg(Cache4RecMsg msg)
{
MsgQue.Enqueue(msg);
}
/// <summary>
/// 从二级缓存CurNetBuffer解析数据
/// 拆包，粘包，半包处理，消息头解析(消息头0x127,)
/// 未处理完数据(半包，不完整的数据)，放到二级缓存NextNetBuffer中
///
/// 消息头结构按顺序说明
/// short headMsg
/// int msgLen 这个长度包含 cmd和消息本身，不包含 headMsg和msgLen
/// short cmd
///
/// </summary>
/// <param name="curNetBuffer"> </param>
/// <param name=注意这里nEnd不是buf真实size，而是buf中有效数据size></param>
private void ProcNetMessage(byte[] curNetBuffer, int effectByteNumInBuffer)
{
Debug.LogError("------>接受到有效位数:" + effectByteNumInBuffer);
int head_msgLen_size = 6;//head(short) + msgLen(int);
MemoryStream tstream = new MemoryStream(curNetBuffer);
BinaryReader _BinaryReader = new BinaryReader(tstream, Encoding.UTF8);
int tempBinaryReaderPos = 0;
while (_BinaryReader.BaseStream.Position < effectByteNumInBuffer)
{
//半包处理1: 剩余数据长度小于head+msgLen,直接存入二级缓存NextNetBuffer，下一次再解析
long leftbytes = effectByteNumInBuffer - _BinaryReader.BaseStream.Position;
if (leftbytes < head_msgLen_size)
{
//如果小于4个字节，那么交给下个BUFFER
byte[] curbuffer = GetCurrentBuffer();
byte[] nextbuffer = GetNextBuffer();
for (int i = 0; i < leftbytes; i++)
{
nextbuffer[i] = curbuffer[_BinaryReader.BaseStream.Position + i];
}
BytesNumWait4Process = (int)leftbytes;
return;
}
short headmsg = BinaryHelper.ReadShort(_BinaryReader);
if (HEAD_MSG != headmsg)
{
Debug.LogError("SocketDataMgr.ProcNetMessage 解析消息头错误 headmsg:" + headmsg + " HEAD:" + HEAD_MSG);
//NINFO 如果heamMsg错了，是否应该略过当前消息，处理下一条消息？
//下面方法有可能会找到假heamMsg，这个真假不好判断，
//所以直接return可能是更好的选择，不允许出现找不到headMsg的情况
//while (BinaryHelper.ReadShort(_BinaryReader) != TcpNetMgr.HEAD_MSG)
//{
// ;
//}
//_BinaryReader.BaseStream.Position -= 2;
//tempBinaryReaderPos = (int)_BinaryReader.BaseStream.Position;
//continue;
return;
}
int msgLen = BinaryHelper.ReadInt(_BinaryReader);
//半包处理2: 剩余数据长度小于msglen(一条消息的完整长度cmd+msg),
//直接把headMsg +msgLen+剩余数据直接放到2级缓存NextNetBuffer中，等待下一次处理
leftbytes = effectByteNumInBuffer - _BinaryReader.BaseStream.Position;
if (leftbytes < msgLen)
{
byte[] curbuffer = GetCurrentBuffer();
byte[] nextbuffer = GetNextBuffer();
for (int i = 0; i < leftbytes + head_msgLen_size; i++)
{
nextbuffer[i] = curbuffer[_BinaryReader.BaseStream.Position + i - head_msgLen_size];
}
BytesNumWait4Process = (int)leftbytes + head_msgLen_size;
return;
}
//开始缓存消息
short cmd = BinaryHelper.ReadShort(_BinaryReader);
try
{
//NTODO 消息缓冲
//if (NetBackMgr.GetInst().NetBackAnalyzerDic.ContainsKey(cmd))
//{
// Byte[] content = _BinaryReader.ReadBytes(len);
// Cache4RecMsg recevieMessage = new Cache4RecMsg();
// recevieMessage.cmd = cmd;
// recevieMessage.protoLen = len;
// recevieMessage.protoContent = content;
// Log.e("TcpNetMgr", "ProcNetMessage", "消息id:" + cmd + " len:" + len + "进入NetBackMgr.Cache4RecMsgQueue" + " readerPos:" + _BinaryReader.BaseStream.Position, BeShowLog);
// NetBackMgr.Cache4RecMsgQueue.Enqueue(recevieMessage);
//}
int len0 = msgLen - 2;
Byte[] content = _BinaryReader.ReadBytes(msgLen - 2);//2 cmd(short)
Cache4RecMsg msg = new Cache4RecMsg();
msg.SessionID = "";
msg.Cmd = cmd;
msg.Data = content;
OnProcessOnMsg?.Invoke(msg);
}
catch (Exception e)
{
Debug.LogError("SocketDataMgr.ProcNetMessage 缓存消息出错 cmd:" + cmd);
}
finally
{
tempBinaryReaderPos += (msgLen + 6);//head(2)+msgLen(4)
if (_BinaryReader.BaseStream.Position != tempBinaryReaderPos)
{
Debug.LogError("SocketDataMgr.ProcNetMessage 消息处理函数读取数据错误 cmd:" + cmd);
_BinaryReader.BaseStream.Position = tempBinaryReaderPos;
}
} //finally结束
} //while结束
} //函数结尾
