protected void OnRecvBytesCallback(IAsyncResult res)
{
try
{
int len = _socket.EndReceive(res);
_bRecving = false;
if (len <= 0)
{
LogManager.Debug("TcpSession::OnRecvBytesCallback => disconnected by remote");
Stop();
return;
}
DataBuff buff = res.AsyncState as DataBuff;
if (buff == null)
{
LogManager.Debug("TcpSession::OnRecvBytesCallback => invalid recv buffer");
return;
}
buff._dataLen += (uint)len;
lock (_recvLocker)
{
_recvBuffList.Add(buff);
}
RecvBytes();
}
catch (SocketException e) { LogManager.Debug(string.Format("TcpSession::OnRecvBytesCallback => error [{0}] [{1}]", e.ErrorCode, e.Message)); }
catch { LogManager.Debug("TcpSession::OnRecvBytesCallback => unknown error"); }
}
protected void RecvBytes()
{
if (!IsConnected())
{
LogManager.Debug("TcpSession::SendBytes => not connected");
return;
}
if (_bRecving)
{
return;
}
try
{
DataBuff buff = null;
lock (_recvLocker)
{
if (_recvBuffList.Count > 0)
{
int index = _recvBuffList.Count - 1;
if (_recvBuffList[index] != null && _recvBuffList[index].GetUnwriteLen() > 0)
{
buff = _recvBuffList[index];
_recvBuffList.RemoveAt(index);
}
}
}
if (buff == null)
{
buff = ObjectPool <DataBuff> .Pop();
}
_socket.BeginReceive(buff._data, 0, (int)buff.GetUnwriteLen(), SocketFlags.None, OnRecvBytesCallback, buff);
_bRecving = true;
}
catch (SocketException e) { LogManager.Debug(string.Format("TcpSession::RecvBytes => error [{0}] [{1}]", e.ErrorCode, e.Message)); }
catch { LogManager.Debug("TcpSession::RecvBytes => unknown error"); }
}
protected void SendBytes()
{
if (!IsConnected())
{
LogManager.Debug("TcpSession::SendBytes => not connected");
return;
}
if (_bSending)
{
return;
}
DataBuff buff = null;
lock (_sendLocker)
{
if (_sendBuffList.Count <= 0)
{
return;
}
buff = _sendBuffList[0];
_sendBuffList.RemoveAt(0);
}
if (buff == null)
{
return;
}
try
{
_socket.BeginSend(buff._data, 0, (int)buff._dataLen, SocketFlags.None, OnSendBytesCallback, buff);
_bSending = true;
}
catch (SocketException e) { LogManager.Debug(string.Format("TcpSession::SendBytes => error [{0}] [{1}]", e.ErrorCode, e.Message)); }
catch { LogManager.Debug("TcpSession::SendBytes => unknown error"); }
}
protected void OnSendBytesCallback(IAsyncResult res)
{
try
{
int len = _socket.EndSend(res);
_bSending = false;
DataBuff buff = res.AsyncState as DataBuff;
if (buff == null || len != buff._dataLen)
{
LogManager.Debug("TcpSession::OnSendBytesCallback => send error");
Stop();
return;
}
buff.Clear();
ObjectPool <DataBuff> .Push(buff);
SendBytes();
}
catch (SocketException e) { LogManager.Debug(string.Format("TcpSession::OnSendBytesCallback => error [{0}] [{1}]", e.ErrorCode, e.Message)); }
catch { LogManager.Debug("TcpSession::OnSendBytesCallback => unknown error"); }
}
public void PushSendData(ushort msgType, ISerializableObj data)
{
if (!IsConnected())
{
return;
}
uint dataLen = data == null ? 0 : data.CalcDataLen();
uint needLen = dataLen + 4;
uint copyLen = 0;
DataBuff buff = null;
List <DataBuff> sendBuffList = new List <DataBuff>();
if (needLen > FileDataBuff.MAX_FILE_SIZE)
{
return;
}
if (needLen > DataBuff.MAX_BUFF_LEN)
{
buff = ObjectPool <DataBuff> .Pop();
if (buff == null)
{
return;
}
sendBuffList.Add(buff);
copyLen = 2;
SerializeUtil.LEMemcpy(buff._data, buff.GetWritePos(), BitConverter.GetBytes(msgType), 0, copyLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
copyLen = 2;
SerializeUtil.LEMemcpy(buff._data, buff.GetWritePos(), BitConverter.GetBytes((ushort)dataLen), 0, copyLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
if (data != null)
{
_sendFileBuff.Clear();
data.Serialize(_sendFileBuff._data, _sendFileBuff.GetWritePos(), FileDataBuff.MAX_FILE_SIZE);
while (_sendFileBuff.GetUnreadLen() > 0)
{
if (buff.GetUnwriteLen() <= 0)
{
buff = ObjectPool <DataBuff> .Pop();
if (buff == null)
{
return;
}
_sendBuffList.Add(buff);
}
copyLen = Math.Min(buff.GetUnwriteLen(), _sendFileBuff.GetUnreadLen());
SerializeUtil.Memcpy(buff._data, buff.GetWritePos(), _sendFileBuff._data, _sendFileBuff.GetReadPos(), copyLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
_sendFileBuff._readPos += copyLen;
}
}
}
else
{
lock (_sendLocker)
{
if (_sendBuffList.Count > 0)
{
int tailIndex = _sendBuffList.Count - 1;
sendBuffList.Add(_sendBuffList[tailIndex]);
_sendBuffList.RemoveAt(tailIndex);
}
}
bool needNew = sendBuffList.Count <= 0 || (DataBuff.MAX_BUFF_LEN - sendBuffList[sendBuffList.Count - 1]._dataLen < needLen);
if (needNew)
{
buff = ObjectPool <DataBuff> .Pop();
}
else
{
buff = sendBuffList[sendBuffList.Count - 1];
}
if (buff != null)
{
sendBuffList.Add(buff);
copyLen = 2;
SerializeUtil.LEMemcpy(buff._data, buff.GetWritePos(), BitConverter.GetBytes(msgType), 0, copyLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
copyLen = 2;
SerializeUtil.LEMemcpy(buff._data, buff.GetWritePos(), BitConverter.GetBytes((ushort)dataLen), 0, copyLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
if (data != null)
{
copyLen = data.Serialize(buff._data, buff.GetWritePos(), DataBuff.MAX_BUFF_LEN - buff._dataLen);
if (_bEncode)
{
Encode(buff._data, buff.GetWritePos(), copyLen);
}
buff._dataLen += copyLen;
}
}
}
if (sendBuffList.Count > 0)
{
lock (_sendLocker)
{
_sendBuffList.AddRange(sendBuffList);
sendBuffList.Clear();
}
}
if (!IsConnected())
{
ClearSendBuffList();
}
else
{
SendBytes();
}
}
public FileDataBuff PopRecvData()
{
if (!IsConnected())
{
return(null);
}
List <DataBuff> recvBuffList = new List <DataBuff>();
lock (_recvLocker)
{
List <DataBuff> tempList = _recvBuffList;
_recvBuffList = recvBuffList;
recvBuffList = tempList;
}
uint copyLen = 0;
DataBuff buff = null;
while (_recvFileBuff._dataLen < 4)
{
if (recvBuffList.Count <= 0)
{
return(null);
}
buff = recvBuffList[0];
copyLen = Math.Min(4 - _recvFileBuff._dataLen, buff.GetUnreadLen());
SerializeUtil.Memcpy(_recvFileBuff._data, _recvFileBuff.GetWritePos(), buff._data, buff.GetReadPos(), copyLen);
buff._readPos += copyLen;
_recvFileBuff._dataLen += copyLen;
if (buff.GetUnreadLen() <= 0)
{
buff.Clear();
ObjectPool <DataBuff> .Push(buff);
recvBuffList.RemoveAt(0);
}
}
byte[] ushortBytes = new byte[2];
SerializeUtil.LEMemcpy(ushortBytes, 0, _recvFileBuff._data, 2, 2);
uint msgLen = BitConverter.ToUInt16(ushortBytes, 0);
if (msgLen + 4 > FileDataBuff.MAX_FILE_SIZE)
{
return(null);
}
uint needLen = msgLen - (_recvFileBuff._dataLen - 4);
while (needLen > 0)
{
if (recvBuffList.Count <= 0)
{
return(null);
}
buff = recvBuffList[0];
copyLen = Math.Min(needLen, buff.GetUnreadLen());
SerializeUtil.Memcpy(_recvFileBuff._data, _recvFileBuff.GetWritePos(), buff._data, buff.GetReadPos(), copyLen);
buff._readPos += copyLen;
_recvFileBuff._dataLen += copyLen;
if (buff.GetUnreadLen() <= 0)
{
buff.Clear();
ObjectPool <DataBuff> .Push(buff);
recvBuffList.RemoveAt(0);
}
needLen -= copyLen;
}
if (recvBuffList.Count > 0)
{
lock (_recvLocker)
{
recvBuffList.AddRange(_recvBuffList);
_recvBuffList.Clear();
_recvBuffList = recvBuffList;
}
}
if (!IsConnected())
{
ClearRecvBuffList();
}
return(_recvFileBuff);
}
