/// <summary>
/// Handles incoming signaling connection request from the registered listening service.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="ConnectionRequestEventArgs{DemoCredentials, DemoAdapterInformation}"/> instance containing the event data.</param>
private async void OnServiceConnectionRequest(object sender, ConnectionRequestEventArgs <DemoCredentials, DemoAdapterInformation> e)
{
Logger.LogInformation($"Connection request from {e.RemoteAdapterInformation.Name}.");
if (IsInSession)
{
Logger.LogInformation($"Already in session. Connection request declined.");
e.Decline();
return;
}
try
{
Logger.LogInformation("Starting SignalR session for signaling...");
SelectedClient = ConnectedClients.FirstOrDefault(x => x.ServiceId == e.RemoteAdapterInformation.Name);
IsFree = false;
_signalingTransporter = ResonanceTransporter.Builder
.Create()
.WithAdapter(e.Accept())
.WithJsonTranscoding()
.Build();
_signalingTransporter.ConnectionLost += OnSignalingConnectionLost;
await _signalingTransporter.ConnectAsync();
Logger.LogInformation("SignalR session started. Waiting for WebRTC offer...");
Logger.LogInformation("Connecting WebRTC transporter...");
_webRtcTransporter = ResonanceTransporter.Builder
.Create()
.WithWebRTCAdapter()
.WithSignalingTransporter(_signalingTransporter)
.WithRole(WebRTCAdapterRole.Accept)
.WithDefaultIceServers()
.WithJsonTranscoding()
.Build();
_webRtcTransporter.ConnectionLost += OnWebRTCConnectionLost;
_webRtcTransporter.RegisterRequestHandler <EchoTextRequest, EchoTextResponse>(OnEchoTextMessageReceived);
await _webRtcTransporter.ConnectAsync();
IsInSession = true;
IsFree = true;
Logger.LogInformation("WebRTC transporter connected!");
}
catch (Exception ex)
{
IsFree = true;
Logger.LogError(ex, "");
}
}
private async void _service_ConnectionRequest(object sender, ConnectionRequestEventArgs <DemoCredentials, DemoAdapterInformation> e)
{
if (!await ShowQuestionMessage($"Client wants to connect to this service. Do you accept?"))
{
e.Decline();
return;
}
ResonanceSignalRClient newClient = new ResonanceSignalRClient();
newClient.RemoteAdapterInformation = e.RemoteAdapterInformation;
newClient.StateChanged += OnClientStateChanged;
var adapter = e.Accept();
adapter.Credentials.Name = $"{ServiceId} {adapter}";
newClient.CreateBuilder()
.WithAdapter(adapter)
.WithJsonTranscoding()
.Build();
newClient.RegisterRequestHandler <EchoTextRequest, EchoTextResponse>((request) =>
{
Logger.LogInformation($"{newClient.RemoteAdapterInformation.Name} says: {request.Message}");
return(new EchoTextResponse()
{
Message = "OK"
});
});
await newClient.ConnectAsync();
InvokeUI(() =>
{
Clients.Add(newClient);
});
Logger.LogInformation($"{newClient.RemoteAdapterInformation.Name} is now connected.");
}