private void ProcessReceive()
{
var dataToken = this.receiveDataToken;
var ioEventArg = this.receiveEventArg;
if (ioEventArg.SocketError != SocketError.Success)
{
//Socket错误
HandleCloseSocket();
return;
}
if (ioEventArg.BytesTransferred == 0)
{
//远端主动关闭socket
HandleCloseSocket();
return;
}
#region 消息包解析
int remainingBytesToProcess = ioEventArg.BytesTransferred;
bool needPostAnother = true;
do
{
if (dataToken.prefixBytesDone < NetPacketParser.PREFIX_SIZE)
{
remainingBytesToProcess = NetPacketParser.HandlePrefix(ioEventArg, dataToken, remainingBytesToProcess);
if (dataToken.IsPrefixReady && (dataToken.messageLength > 65535 || dataToken.messageLength <= 0))
{
//消息头已接收完毕，并且接收到的消息长度大于64K，socket传输的数据已紊乱，关闭掉
Trace.TraceWarning("接收到的消息长度错误:{0}", dataToken.messageLength);
needPostAnother = false;
HandleCloseSocket();
break;
}
if (remainingBytesToProcess == 0)
{
break;
}
}
remainingBytesToProcess = NetPacketParser.HandleMessage(ioEventArg, dataToken, remainingBytesToProcess);
if (dataToken.IsMessageReady)
{
recvQueue.Enqueue(dataToken.messageBytes);
if (remainingBytesToProcess != 0)
{
dataToken.Reset(false);
}
}
} while (remainingBytesToProcess != 0);
#endregion
if (needPostAnother)
{
if (dataToken.IsPrefixReady && dataToken.IsMessageReady)
{
dataToken.Reset(true);
}
dataToken.bufferSkip = 0;
PostReceive();
}
}
/// <summary>
/// 处理数据接收回调
/// </summary>
private void ProcessReceive(SocketAsyncEventArgs ioEventArgs)
{
AsyncUserToken dataToken = (AsyncUserToken)ioEventArgs.UserToken;
if (ioEventArgs.SocketError != SocketError.Success)
{
//Socket错误
//Trace.TraceError("ProcessReceive:{0}", ioEventArgs.SocketError);
HandleCloseSocket(ioEventArgs);
return;
}
if (ioEventArgs.BytesTransferred == 0)
{
HandleCloseSocket(ioEventArgs);
return;
}
var tcpConn = dataToken.tcpConn;
#region 消息包解析
int remainingBytesToProcess = ioEventArgs.BytesTransferred;
//bool needPostAnother = true;
do
{
if (dataToken.prefixBytesDone < NetPacketParser.PREFIX_SIZE)
{
remainingBytesToProcess = NetPacketParser.HandlePrefix(ioEventArgs, dataToken, remainingBytesToProcess);
if (dataToken.IsPrefixReady && (dataToken.messageLength > 65535 || dataToken.messageLength <= 0))
{
//消息头已接收完毕，并且接收到的消息长度已经超长，socket传输的数据已紊乱，关闭掉
Log.FileLog.WriteLine("{0} Receive Ip {2} message length error:{1}", DateTime.Now.ToString("HH:mm:ss"), dataToken.messageLength, ioEventArgs.RemoteEndPoint);
//needPostAnother = false;
HandleCloseSocket(ioEventArgs);
return;
}
if (remainingBytesToProcess == 0)
{
break;
}
}
remainingBytesToProcess = NetPacketParser.HandleMessage(ioEventArgs, dataToken, remainingBytesToProcess);
if (dataToken.IsMessageReady)
{
RecvEventArg evtArg = new RecvEventArg(dataToken.tcpConn, dataToken.messageBytes);
if (TestLag)
{
evtArg.ReceiveTime = System.DateTime.Now.Ticks; //IDllImportAPI.HighPrecision_GetTickCount();
}
recvQueue.Enqueue(evtArg);
if (remainingBytesToProcess != 0)
{
dataToken.Reset(false);
}
}
else
{
//if (logger.IsDebugEnabled) logger.Debug("不完整封包 长度[{0}],总传输[{1}],已接收[{2}]", dataToken.messageLength, ioEventArgs.BytesTransferred, dataToken.messageBytesDone);
}
} while (remainingBytesToProcess != 0);
#endregion
//if (needPostAnother)
{
//继续处理下个请求包
if (dataToken.IsPrefixReady && dataToken.IsMessageReady)
{
dataToken.Reset(true);
}
dataToken.bufferSkip = 0;
PostReceive(ioEventArgs);
}
}