private void client_dataReceived(object sender, IncomingMessageEventArgs e)
{
// Check to see if the client is still connected.
if (!Connected)
{
// The client has disconnected.
if (e == null) { return; } // Don't give listeners of dataReceived a null IncomingMessageEventArgs.
}
if (startedRequest && e.PacketType == expectedResponse)
{
// This packet is a response to an open request.
response = e.Message;
startedRequest = false; // Lower the unfulfilled flag.
return;
}
switch ((PacketType)e.PacketType)
{
case PacketType.RequestList:
// Deserialize the tracklist and pass it up.
AudioListReceived.Invoke(this, (TrackList)ObjectSerialization.Deserialize(e.Message, typeof(TrackList)));
break;
case PacketType.AudioSegment:
// TODO: Implement audio streaming.
break;
default:
break;
}
//dataReceived.Invoke(sender, e);
}
private void server_dataReceived(object sender, IncomingMessageEventArgs e)
{
// Invoke on the listbox thread if needed (yes).
if (messagesRichTextBox.InvokeRequired)
{
messagesRichTextBox.Invoke(new MethodInvoker(delegate // Invoke a generic delegate using MethodInvoker
{
server_dataReceived(sender, e);
}));
return;
}
if (e == null)
{
// This is probably a disconnect.
return;
}
if (e.Error != null)
{
var errClient = (TcpTransmission.Client.ClientConnection)sender;
messagesRichTextBox.AppendText("Error on client " + errClient.RemoteEndPoint.ToString() + " : " + e.Error.Message + "\n");
}
if (e.Message != null)
{
ASCIIEncoding encoder = new ASCIIEncoding();
string source = ((TcpTransmission.Client.ClientConnection)sender).RemoteEndPoint.ToString();
string message = encoder.GetString(e.Message, 0, e.Message.Length);
messagesRichTextBox.AppendText(source + ": " + message + "\n");
}
}
// Wrap the client events so the server owner can catch them.
protected override void DataReceivedHandle(ClientConnection sender, IncomingMessageEventArgs e)
{
// If client already authenticated.
if (authenticatedConnections.ContainsKey(sender.RemoteEndPoint))
{
switch ((PacketType)e.PacketType)
{
case PacketType.AudioSegment:
authenticatedConnections[sender.RemoteEndPoint].ContinueStream();
break;
case PacketType.RequestList:
GeneralEvent.Invoke(this, new GeneralEventArgs(authenticatedConnections[sender.RemoteEndPoint].Username,
sender.RemoteEndPoint, ("Requested a new track list.")));
authenticatedConnections[sender.RemoteEndPoint].RequestUpdateList();
break;
case PacketType.StartAudioStream:
byte[] requestReply = null;
BeginStreamingAudio(sender.RemoteEndPoint, e.Message, out requestReply);
SendData(sender.RemoteEndPoint, requestReply, (byte)PacketType.StartAudioStream);
break;
case PacketType.StopAudioStream:
authenticatedConnections[sender.RemoteEndPoint].EndStreaming();
break;
case PacketType.UnknownPacket:
GeneralEvent.Invoke(this, new GeneralEventArgs(authenticatedConnections[sender.RemoteEndPoint].Username,
sender.RemoteEndPoint, "Made a request to close the connection."));
DropClient(sender.RemoteEndPoint);
break;
default:
GeneralEvent.Invoke(this, new GeneralEventArgs(authenticatedConnections[sender.RemoteEndPoint].Username,
sender.RemoteEndPoint, ("Made a request with packet type " + ((PacketType)e.PacketType).ToString() + " which is invalid for this context.")));
break;
}
}
else
{
// See if the client is trying to authenticate or register.
byte[] send = null;
switch ((PacketType)e.PacketType)
{
case PacketType.Authenticate:
// Authenticate this client.
AuthenticateClient(sender.RemoteEndPoint, e.Message, out send);
SendData(sender.RemoteEndPoint, send, (byte)PacketType.Authenticate);
break;
case PacketType.Register:
// Register new credentials.
RegisterNewUser(sender.RemoteEndPoint, e.Message, out send);
SendData(sender.RemoteEndPoint, send, (byte)PacketType.Register);
break;
case PacketType.UnknownPacket:
GeneralEvent.Invoke(this, new GeneralEventArgs(null, sender.RemoteEndPoint, "Made a request to close the connection."));
DropClient(sender.RemoteEndPoint);
break;
default:
GeneralEvent.Invoke(this, new GeneralEventArgs(null, sender.RemoteEndPoint,
("Made a request with packet type " + ((PacketType)e.PacketType).ToString() + " which is invalid for this context.")));
break;
}
if (send != null) { sender.SendDataPacket(ref send, e.PacketType); } // Reply with the same header and some data.
}
}
