public void SaveWebRTCTrace()
{
if (!WebRTC.IsTracing())
{
return;
}
Task.Run(async() =>
{
WebRTC.StopTracing(); //stop tracing so that trace file can be properly saved.
ToastNotificationService.ShowToastNotification("Saving Webrtc trace");
var webrtcTraceInternalFile = ApplicationData.Current.LocalFolder.Path + "\\" + "_webrtc_trace.txt";
WebRTC.SaveTrace(webrtcTraceInternalFile);
await SaveToUserPickedFolder(webrtcTraceInternalFile);
WebRTC.StartTracing();
ToastNotificationService.ShowToastNotification("Saving Webrtc trace finished!");
});
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
using (new BackgroundTaskDeferralWrapper(taskInstance.GetDeferral()))
{
try
{
var details = (SocketActivityTriggerDetails)taskInstance.TriggerDetails;
switch (details.Reason)
{
case SocketActivityTriggerReason.SocketActivity:
string request = null;
using (var socketOperation = Hub.Instance.SignalingSocketChannel.SocketOperation)
{
if (socketOperation.Socket != null)
{
var socket = socketOperation.Socket;
const uint length = 65536;
var readBuf = new Buffer(length);
var readOp = socket.InputStream.ReadAsync(readBuf, length,
InputStreamOptions.Partial);
// This delay is to limit how long we wait for reading.
// StreamSocket has no ability to peek to see if there's any
// data waiting to be read. So we have to limit it this way.
for (var i = 0; i < 100 && readOp.Status == AsyncStatus.Started; ++i)
{
await Task.Delay(10);
}
await socket.CancelIOAsync();
try
{
var localBuffer = await readOp;
var dataReader = DataReader.FromBuffer(localBuffer);
request = dataReader.ReadString(dataReader.UnconsumedBufferLength);
}
catch (Exception ex)
{
Debug.WriteLine($"ReadAsync exception: {ex}");
}
}
}
if (request != null)
{
await Hub.Instance.SignalingClient.HandleRequest(request);
}
break;
case SocketActivityTriggerReason.KeepAliveTimerExpired:
await Hub.Instance.SignalingClient.ClientHeartBeatAsync();
break;
case SocketActivityTriggerReason.SocketClosed:
await Hub.Instance.SignalingClient.ServerConnectionErrorAsync();
//ToastNotificationService.ShowToastNotification("Disconnected.");
break;
}
}
catch (Exception exception)
{
await Hub.Instance.SignalingClient.ServerConnectionErrorAsync();
ToastNotificationService.ShowToastNotification(string.Format("Error in SignalingTask: {0}",
exception.Message));
}
}
}