protected override void OnReceive(CommunicationChannelTcp channel, object receivedObject)
{
try
{
if (receivedObject == null)
{
return;
}
//search it in cache..
TClient client = GetClientByChannel(channel);
if (client != null)
{
if (_receiveCallbacks.ContainsKey(receivedObject.GetType()))
{
_receiveCallbacks[receivedObject.GetType()](client, receivedObject);
}
else
{
Log.Error("Received unknown DTO type: {0}. Do not have a function to handle it, will be discarded",
receivedObject.GetType().Name);
}
}
}
catch (Exception ex)
{
Log.Error(ex, "An error occurred handling received object: {0}.", receivedObject != null ? receivedObject.ToString() : "null");
}
}
private void HandleAcceptTcpCLient(IAsyncResult ar)
{
TcpClient tmpClient = null;
CommunicationChannelTcp tmpChannel = null;
try
{
if (_connected)
{
tmpClient = _listener.EndAcceptTcpClient(ar);
tmpChannel = new CommunicationChannelTcp();
if (this.Formatter != null)
{
tmpChannel.Formatter = this.Formatter;
}
tmpChannel.Connected += HandleConnectedClient;
tmpChannel.Received += HandleReceivedObject;
tmpChannel.Error += HandleErrorOccurred;
tmpChannel.Open(tmpClient);
lock (((ICollection)_channels).SyncRoot)
{
_channels.Add(tmpChannel);
}
}
}
catch (SocketException)
{
if (tmpClient != null)
{
tmpClient.Close();
}
if (tmpChannel != null)
{
tmpChannel.Close();
}
}
catch (ObjectDisposedException)
{
if (tmpClient != null)
{
tmpClient.Close();
}
if (tmpChannel != null)
{
tmpChannel.Close();
}
}
finally
{
if (_connected)
{
_currentAsyncResult = _listener.BeginAcceptTcpClient(HandleAcceptTcpCLient, _listener);
}
}
}
protected override void OnError(CommunicationChannelTcp source, Exception exception)
{
Log.Error(exception, "Error in communication with {0} at port {1}",
((source.Remote != null) && (source.Remote.Address != null)) ? source.Remote.Address.ToString() : "[missing remote ip address]",
source.Local.Port.ToString());
//inject the Exception in the receiving pipe to be handled, shall be handled by a dedicated AddErrorHandler<Exception>..
Log.Error(exception, "An error occurred in transmission pipeline (receive,deserialize,handle,serialize,send).");
}
protected override void OnConnect(CommunicationChannelTcp channel)
{
Log.Debug("Connection established with {0} at port {1}",
((channel.Remote != null) && (channel.Remote.Address != null)) ? channel.Remote.Address.ToString() : "[missing remote ip address]",
channel.Local.Port.ToString());
//create new client..
Clients.Add(ClientFactory.GetClient(channel));
}
} //sockexc
protected virtual void OnReceive(CommunicationChannelTcp source, object receivedObject)
{
}
} //commChan
protected virtual void OnError(CommunicationChannelTcp source, Exception exception)
{
} //sockexc
protected virtual void OnConnect(CommunicationChannelTcp source)
{
} //commChan
