public bool RecvFromSocketBuf(LogicRecvHandler recvHandler)
{
if (recvHandler == null)
{
return(false);
}
if (!IsConnected())
{
return(true);
}
SocketRecvBuf recvBuff = m_SocketRecvBufQueue.GetRecvBuf();
//-- 说明已经创建了DEFAULT_RECV_QUEUE_SIZE SocketRecvBuf等待接收数据，所以返回。
if (recvBuff == null)
{
return(true);
}
MemoryStream recvMemStream = recvBuff.GetMemoryStream();
if (recvMemStream == null)
{
return(false);
}
//if ( recvMemStream.Length == 0 )
//{
// // 如果长度为0，则认为服务器主动踢掉客户端;
// NetClient.GetInstance().Disconnect();
// return false;
//}
SocketAsyncEventArgs receiveCompleteArgs = new SocketAsyncEventArgs();
if (recvMemStream.Length < TNetConfig.DEFAULT_SOCKET_RECV_BUFFERSIZE ||
recvMemStream.Capacity < TNetConfig.DEFAULT_SOCKET_RECV_BUFFERSIZE
)
{
recvMemStream.SetLength(TNetConfig.DEFAULT_SOCKET_RECV_BUFFERSIZE);
Array.Clear(recvMemStream.GetBuffer(), 0, (Int32)recvMemStream.Length);
}
receiveCompleteArgs.SetBuffer(recvMemStream.GetBuffer(), 0, (Int32)recvMemStream.Length);
//-- test
//Console.WriteLine("recvMemStream.Length:=[" + recvMemStream.Length + "]");
recvBuff.SetUsedFlag(true);
m_RecvData = new OnRecvObj();
m_RecvData.m_RecvBuffer = recvBuff;
m_RecvData.m_LogicRecvHandler = recvHandler;
m_RecvData.m_TSocket = this;
receiveCompleteArgs.UserToken = m_RecvData;
receiveCompleteArgs.RemoteEndPoint = m_IPAndPoint;
receiveCompleteArgs.Completed += new EventHandler <SocketAsyncEventArgs>(OnReceive);
if (!m_Socket.ReceiveAsync(receiveCompleteArgs))
{
OnReceive(null, receiveCompleteArgs);
}
return(true);
////-TODO: encode type
//Array.Clear(m_CurrRecvBuff, 0, TNetConfig.DEFAULT_SOCKET_INPUT_BUFFERSIZE);
//if ( m_ReceiveCompleteArgs.UserToken == null ||
// m_ReceiveCompleteArgs.UserToken.Equals(iStream) == false
//)
//{
// m_ReceiveCompleteArgs.UserToken = iStream;
//}
//if ( m_ReceiveCompleteArgs.RemoteEndPoint == null ||
// m_ReceiveCompleteArgs.RemoteEndPoint.Equals(m_IPAndPoint) == false
//)
//{
// m_ReceiveCompleteArgs.RemoteEndPoint = m_IPAndPoint;
//}
//m_ReceiveCompleteArgs.SetBuffer(m_CurrRecvBuff, 0, TNetConfig.DEFAULT_SOCKET_INPUT_BUFFERSIZE);
////-: true,io pend. waiting callback
//try
//{
// if (m_Socket.ReceiveAsync(m_ReceiveCompleteArgs))
// {
// if (s_ReceiveAutoEvent.WaitOne(TNetConfig.DEFAULT_SOCKET_RECEIVE_ASYNC_WAITING_TIME))
// {
// RecvFromSocketBuf(iStream);
// int iTest01 = m_ReceiveCompleteArgs.BytesTransferred;
// }
// else
// {
// int iTest02 = m_ReceiveCompleteArgs.BytesTransferred;
// return true;
// }
// }
// else
// {
// return true;
// }
//}
//catch (System.Exception ex)
//{
// Console.WriteLine(ex.ToString());
// return false;
//}
//return true;
}
//-- 将从socket接收到的数据，拷贝到LogicRecvBuf中。
private static void OnReceive(object sender, SocketAsyncEventArgs e)
{
if (e == null)
{
return;
}
if (e.LastOperation != SocketAsyncOperation.Receive)
{
return;
}
if (e.SocketError != SocketError.Success)
{
return;
}
OnRecvObj recvData = e.UserToken as OnRecvObj;
if (recvData == null)
{
return;
}
if (recvData.m_RecvBuffer == null)
{
return;
}
if (recvData.m_LogicRecvHandler == null)
{
return;
}
if (recvData.m_TSocket == null)
{
return;
}
LogicRecvBufQueue logicRecvBufQueue = recvData.m_LogicRecvHandler.GetLogicRecvBufQueue();
if (logicRecvBufQueue == null)
{
//-- log
return;
}
LogicRecvBuffer logicRecvBuf = logicRecvBufQueue.GetEmptyBuf();
if (logicRecvBuf == null)
{
//-- log
return;
}
MemoryStream memStream = logicRecvBuf.GetMemoryStream();
if (memStream == null)
{
//-- log
return;
}
if (e.BytesTransferred > 0)
{
//-- test
//Console.WriteLine("e.BytesTransferred:=[" + e.BytesTransferred + "]");
//-- 拷贝数据要从memStream的头写入。
memStream.Seek(0, SeekOrigin.Begin);
memStream.Write(e.Buffer, 0, e.BytesTransferred);
memStream.Seek(0, SeekOrigin.Begin);
logicRecvBuf.SetUsedFlag(true);
//-- 释放recvData.m_RecvBuffer
recvData.m_RecvBuffer.SetUsedFlag(false);
//-- 继续接收
recvData.m_TSocket.RecvFromSocketBuf(recvData.m_LogicRecvHandler);
}
else
{
recvData.m_RecvBuffer.SetUsedFlag(false);
//-- log查看是否接收缓冲区满了
CommonDebugLog.Log("Server DisConnect!!!");
NetClient.GetInstance().Disconnect();
}
return;
}
