private async void GetEnrollmentOperationStatus(OperationLocation location)
{
try
{
while (true)
{
EnrollmentOperation result = await _speakerIdentificationClient.CheckEnrollmentStatusAsync(location);
if (result.Status != Status.Running)
{
RaiseOnIdentificationStatusUpdated(new SpeakerIdentificationStatusUpdateEventArgs(result.Status.ToString(),
$"Enrollment finished. Enrollment status: {result.ProcessingResult.EnrollmentStatus.ToString()}"));
break;
}
RaiseOnIdentificationStatusUpdated(new SpeakerIdentificationStatusUpdateEventArgs(result.Status.ToString(), "Enrolling..."));
await Task.Delay(1000);
}
}
catch (IdentificationException ex)
{
RaiseOnIdentificationError(new SpeakerIdentificationErrorEventArgs($"Failed to get operation status: {ex.Message}"));
}
catch (Exception ex)
{
RaiseOnIdentificationError(new SpeakerIdentificationErrorEventArgs($"Failed to get operation status: {ex.Message}"));
}
}
/// <summary>
/// Gets the enrollment operation status or result asynchronously
/// </summary>
/// <param name="location">The location returned upon enrollment</param>
/// <exception cref="EnrollmentException">Thrown in case of internal server error or an invalid url</exception>
/// <exception cref="TimeoutException">Thrown in case the connection timed out</exception>
/// <returns>The enrollment object encapsulating the result</returns>
public async Task <EnrollmentOperation> CheckEnrollmentStatusAsync(OperationLocation location)
{
try
{
EnrollmentOperation operation = await CheckStatusAsync <EnrollmentOperation, EnrollmentException>(location.Url).ConfigureAwait(false);
return(operation);
}
catch (TaskCanceledException exception)
{
throw new TimeoutException("Connection timed out: " + exception.Message);
}
}
async Task finishEnrollment()
{
if (btnRecordEnroll.IsEnabled == false)
{
return; // if user clicks and then comes timer event
}
btnRecordEnroll.Content = "Start record enrollment";
btnRecordEnroll.IsEnabled = false;
await CaptureMedia.StopRecordAsync();
Stream str = AudioStream.AsStream();
str.Seek(0, SeekOrigin.Begin);
_speakerId = Guid.Parse((lbProfiles.SelectedItem as ListBoxItem).Content.ToString());
OperationLocation processPollingLocation;
try
{
processPollingLocation = await _serviceClient.EnrollAsync(str, _speakerId);
}
catch (EnrollmentException vx)
{
txtInfo.Text = vx.Message;
CleanAfter();
return;
}
catch (Exception vx)
{
txtInfo.Text = vx.Message;
CleanAfter();
return;
}
EnrollmentOperation enrollmentResult = null;
int numOfRetries = 10;
TimeSpan timeBetweenRetries = TimeSpan.FromSeconds(5.0);
while (numOfRetries > 0)
{
await Task.Delay(timeBetweenRetries);
enrollmentResult = await _serviceClient.CheckEnrollmentStatusAsync(processPollingLocation);
if (enrollmentResult.Status == Status.Succeeded)
{
break;
}
else if (enrollmentResult.Status == Status.Failed)
{
txtInfo.Text = enrollmentResult.Message;
CleanAfter();
return;
}
numOfRetries--;
}
if (numOfRetries <= 0)
{
txtInfo.Text = "Identification operation timeout";
}
else
{
txtInfo.Text = "Enrollment done. " + enrollmentResult.Status + Environment.NewLine + " Remaining Speech Time " + enrollmentResult.ProcessingResult.RemainingEnrollmentSpeechTime;
}
CleanAfter();
}