/// <summary>Initializes the communication.</summary>
/// <param name="clientPort">The client port.</param>
private void InitializeCommunication(uint clientPort)
{
var msgClientHello = new ClientHelloMessage()
{
ClientId = ClientId, ClientPort = clientPort, Message = $"Hello from {ClientId}", Version = Shared.Constants.Version.PROTOCOL
};
UdpTransferFrame frame = new UdpTransferFrame(FrameType.ClientHello, msgClientHello.Serialize());
ReliableMessaging.OnSendFrame(frame);
}
private void ProcessAuthenticationRequest(ServerAuthenticationRequest request, string signingKey)
{
var offlineTokenProvider = new OfflineTokenProvider("", signingKey);
string token = offlineTokenProvider.CreateJWTToken(request.AuthenticationChallenge, DateTime.UtcNow.AddMinutes(15));
var cmdClientAuthenticationResponse = new ClientAuthenticationResponse()
{
AuthenticationToken = token
};
ReliableMessaging.OnSendFrame(new UdpTransferFrame(FrameType.ClientAuthenticationResponse, cmdClientAuthenticationResponse.Serialize()));
}
/// <summary>Processes the UDP transfer frame.</summary>
/// <param name="frame">The frame.</param>
private void ProcessUdpTransferFrame(UdpTransferFrame frame)
{
switch (frame.Type)
{
case FrameType.ServerAuthenticationRequest:
var msgAuthenticationRequest = new ServerAuthenticationRequest(frame.MessageBuffer);
ProcessAuthenticationRequest(msgAuthenticationRequest, this.signingKeyBase64);
break;
case FrameType.ServerHello:
SubscribeToDefaultArea();
if (OnConnected != null)
{
Thread connected = new Thread(() => OnConnected());
connected.Start();
}
break;
case FrameType.ServerPing:
var msgServerPing = new ServerPingMessage(frame.MessageBuffer);
var now = TimeSpan.FromTicks(DateTime.UtcNow.Ticks);
var cmdClientPong = new ClientPongMessage()
{
ServerRequestTimestamp = msgServerPing.ServerTimestamp, ClientRequestTimestamp = now, ClientResponseTimestamp = now
};
ReliableMessaging.OnSendFrame(new UdpTransferFrame(FrameType.ClientPong, cmdClientPong.Serialize()));
break;
case FrameType.Message:
LastMessageReceived = DateTime.Now;
ReliableMessaging.ProcessMessageFrame(frame);
break;
default:
throw new NotImplementedException(frame.Type.ToString());
}
}