/// <summary>
/// 初始化消息接收器
/// </summary>
protected void InitializeReceiver()
{
if (_receiver != null)
{
return;
}
_receiver = new TcpAsynDataRecevier(_socket);
_receiver.ReceivedData += RecvData;
_receiver.Disconnected += ReceiverDisconnected;
_receiver.Start();
}
void ReceiverDisconnected(object sender, RecevierDisconnectedEventArgs e)
{
try
{
if (_receiver != null)
{
_receiver.ReceivedData -= RecvData;
_receiver.Disconnected -= ReceiverDisconnected;
_receiver = null;
}
}
catch (System.Exception ex) { _tracing.Error(ex, null); }
finally
{
_connected = false;
_communicationState = CommunicationStates.Closed;
DisconnectedHandler(null);
}
}
void Completed(object sender, SocketAsyncEventArgs e)
{
IFixedCacheStub <SocketBuffStub> stub;
switch (e.LastOperation)
{
//send complated event.
case SocketAsyncOperation.Send:
#region Send Completed.
stub = (IFixedCacheStub <SocketBuffStub>)e.UserToken;
TcpTransportChannel channel = (TcpTransportChannel)stub.Tag;
if (e.SocketError != SocketError.Success && channel.IsConnected)
{
_tracing.Warn(
string.Format(
"The target channel SendAsync status has incorrectly, so the framework decided to disconnect it.\r\nL: {0}\r\nR: {1}\r\nSocket-Error: {2}\r\nBytesTransferred: {3}\r\n",
channel.LocalEndPoint,
channel.RemoteEndPoint,
e.SocketError,
e.BytesTransferred));
//giveback it at first.
ChannelConst.BuffAsyncStubPool.Giveback(stub);
channel.Disconnect();
}
#endregion
break;
//send complated event.
case SocketAsyncOperation.Receive:
#region Recv Completed.
stub = (IFixedCacheStub <SocketBuffStub>)e.UserToken;
TcpAsynDataRecevier recevier = (TcpAsynDataRecevier)stub.Tag;
try { recevier.ProcessReceive(stub); }
catch (System.Exception ex) { _tracing.Error(ex, null); }
#endregion
break;
}
}
/// <summary>
/// 断开
/// </summary>
public override void Disconnect()
{
try
{
_communicationState = CommunicationStates.Closing;
if (_receiver != null)
{
_receiver.ReceivedData -= RecvData;
_receiver.Disconnected -= ReceiverDisconnected;
_receiver.Stop();
}
}
catch (System.Exception ex)
{
_tracing.Error(ex, null);
}
finally
{
_receiver = null;
_connected = false;
_communicationState = CommunicationStates.Closed;
DisconnectedHandler(null);
}
}
