public bool Connect(string serverhost, int port)
{
client.GetMessage += OnGetMessage;
bool b = client.Connect(serverhost, port);
return(b);
}
public Client(IPEndPoint serverAddress, IController controller, INetClient client)
{
_controller = controller;
_client = client;
_client.Start();
_client.Connect(serverAddress);
Scene = new Scene();
Scene.Gravity = new Vector2();
}
/// <summary>
/// Connects to the media server.
/// </summary>
/// <param name="roomId">The room on the media server</param>
/// <param name="callback">An optional callback to be called when connection is finished.</param>
/// <remarks>
/// The connection process is complicated, due to the fact that we have to first connect to the control port (4521),
/// and then if that is successful, we then connect to the data port (4522). And of course, both connection attempts are
/// asynchronous. The result is that the logic in a successful connection attempt flows like this:
/// Connect() -> controlClient.Connect() =>
/// HandleControlConnect() -> RegisterClientOnServer() -> controlClient.Send() =>
/// HandleControlData() -> rtpClient.Connect() =>
/// HandleRtpConnect() -> rtpClient.Send() =>
/// HandleRtpData() -> FinalizeConnection() -> connectionCallback()
/// An error anywhere in that flow will result in control being transferred to FinalizeConnection().
/// </remarks>
public virtual void Connect(string roomId, Action <Exception> callback = null)
{
if (!IsConnecting)
{
_roomId = roomId;
_connectionTimer = new Timer(ConnectionTimerCallback, null, TimeSpan.FromSeconds(60), TimeSpan.FromMilliseconds(-1));
_connectionCallback = callback;
_controlClient.Connect(HandleControlConnect, HandleControlData); // -> HandleControlConnect
}
else
{
FinalizeConnection(null);
}
}
public bool Connect()
{
int port;
// TryParse incase the user entered non-float string
if (int.TryParse(ServerPort, out port))
{
try
{
netClient.Connect(port, ServerIP);
// won't get here if an exception was thrown during connect
return(true);
}
catch (Exception ex) { Trace.WriteLine(ex); }
}
return(false);
}
/// <summary>
/// Callback method called after sending registration data to the media server over control port (typically 4521).
/// </summary>
/// <param name="data">The byte array containing the data sent by the media server</param>
/// <param name="offset">The offset into the byte array where the actual data starts</param>
/// <param name="length">The length of the data sent by the media server</param>
protected virtual void HandleControlData(byte[] data, int offset, int length)
{
if (_disposed)
{
return;
}
try
{
if (_expectingControlData)
{
_expectingControlData = false;
string message = Encoding.UTF8.GetString(data, offset, length); // .Split('\0')[0];
_commandSet.ParseResult(message);
if (CheckSuccess(_commandSet))
{
_rtpClient.Connect(HandleRtpConnect, HandleRtpData); // -> HandleRtpConnect
}
else
{
string errorMessage = MediaStrings.FailedToRegister;
#if DEBUG
errorMessage += Environment.NewLine + "Server = " + _rtpClient.Host + "; Port = " + _rtpClient.Port;
#endif
FinalizeConnection(new Exception(errorMessage));
}
}
else
{
ClientLogger.Error("Unexpectedly received control data.");
}
}
catch (Exception ex)
{
ClientLogger.ErrorException(ex, "Handle control data failed");
FinalizeConnection(ex);
}
}