public static TcpNetMgr GetInst()
{
if (null == Ins)
{
Ins = new TcpNetMgr();
}
return(Ins);
}
//ninfo 注意这里nEnd不是buf真实size，而是buf中有效数据size
//TODO 下一步，这个可以考虑移动到TcpNetMgr中
// 处理网络消息
public void ProcNetMessage(byte[] stream, int nEnd)
{
int EffectiveByteNumInBuffer = nEnd;
MemoryStream tstream = new MemoryStream(stream);
BinaryReader _BinaryReader = new BinaryReader(tstream, Encoding.UTF8);
tempBinaryReaderPos = 0;
while (_BinaryReader.BaseStream.Position < EffectiveByteNumInBuffer)
{
//ninfo 因为一次解析至少要解析
//判断剩下的字节够不够4个，如果小于4个就交给下一波来处理就行了
long leftbytes = EffectiveByteNumInBuffer - _BinaryReader.BaseStream.Position;
if (leftbytes < 6)
{
//如果小于4个字节，那么交给下个BUFFER
byte[] thisbuffer = TcpNetMgr.GetInst().GetCurrentBuffer();
byte[] nextbuffer = TcpNetMgr.GetInst().GetNextBuffer();
for (int i = 0; i < leftbytes; i++)
{
nextbuffer [i] = thisbuffer [_BinaryReader.BaseStream.Position + i];
}
TcpNetMgr.GetInst().BytesNumWaiting4Process = (int)leftbytes;
return;
}
int headmsg = BinaryHelper.ReadShort(_BinaryReader);
if (TcpNetMgr.HEAD_MSG != headmsg)
{
Debug.Log("严重错误");
Debug.LogError("message is woring");
return;
}
int msglen = BinaryHelper.ReadInt(_BinaryReader);
if (msglen <= 6)
{
//ninfo 解释下这里，首先按常理msglen不可能<=6 消息头+msglen两项就是6个字节
//遇到<=6的情况，说明之前判断到的消息头headmsg=BEGINTAG_MSG实际是假的消息头，是脏数据
//所以才掠过错误数据，找下一个（疑是）消息头
//肯定是出错了,跳过这个消息，挪到下一个消息
while (BinaryHelper.ReadShort(_BinaryReader) != TcpNetMgr.HEAD_MSG)
{
;
}
_BinaryReader.BaseStream.Position -= 2;
tempBinaryReaderPos = (int)_BinaryReader.BaseStream.Position;
continue;
}
leftbytes = EffectiveByteNumInBuffer - _BinaryReader.BaseStream.Position;
//ninfo msglen-6就是一条消息出去消息头和msglen的有效消息内容的长度
//这里的判断含义就是，剩余数据不够一条消息的有效数据长度
if (leftbytes < msglen - 6)
{
byte[] thisbuffer = TcpNetMgr.GetInst().GetCurrentBuffer();
byte[] nextbuffer = TcpNetMgr.GetInst().GetNextBuffer();
for (int i = 0; i < leftbytes + 6; i++)
{
nextbuffer [i] = thisbuffer [_BinaryReader.BaseStream.Position + i - 6];
}
TcpNetMgr.GetInst().BytesNumWaiting4Process = (int)leftbytes + 6;
return;
}
int function_id = BinaryHelper.ReadInt(_BinaryReader);
EventID++;
bool analyzeError = false;
try {
if (NetBackMgr.GetInst().NetBackAnalyzerDic.ContainsKey(function_id))
{
Debug.LogError("收到消息Messge ID = " + function_id);
//MainAnalyzer[function_id]();
Byte[] content = _BinaryReader.ReadBytes(msglen - 10);
//ReceivedMessage(function_id, content);
if (!NetBackMgr.CheckImportantMsg(function_id, content))
{
Cache4RecMsg recevieMessage = new Cache4RecMsg();
recevieMessage.id = function_id;
recevieMessage.content = content;
NetBackMgr.Cache4RecMsgQueue.Enqueue(recevieMessage);
}
}
else
{
Debug.Log("Not Found Messge ID = " + function_id + ",msglen:" + msglen);
for (int i = 10; i < msglen; i++)
{
BinaryHelper.ReadByte(_BinaryReader);
}
}
} catch (Exception e) {
analyzeError = true;
// Debug.LogError("-------------CommandSys = " + function_id + " Read Error Start-------------");
Debug.LogException(e);
// Debug.LogError("-------------CommandSys = " + function_id + " Read Error End-------------");
} finally {
tempBinaryReaderPos += msglen;
if (_BinaryReader.BaseStream.Position != tempBinaryReaderPos)
{
analyzeError = true;
string ms = "消息处理函数读取数据错误!" + function_id.ToString();
Debug.LogError(ms);
_BinaryReader.BaseStream.Position = tempBinaryReaderPos;
}
} //finally结束
} //while结束
} //函数结尾
