public void DownloadSongs(IList <Track> tracksToDownload, CancellationTokenSource syncCancellationSource)
{
Interlocked.Add(ref ManifestUtil.ProgressUtil.SongsToDownload, tracksToDownload.Count);
if (ManifestUtil.ProgressUtil.SongsToDownload == 0)
{
return;
}
if (ConcurrentDownloads == 0)
{
throw new Exception(LanguageManager.Language["STR_DOWNLOAD_SONG_EX"]);
}
var po = new ParallelOptions
{
CancellationToken = syncCancellationSource.Token,
MaxDegreeOfParallelism = ConcurrentDownloads
};
try
{
Parallel.ForEach(tracksToDownload, po,
track =>
{
try
{
po.CancellationToken.ThrowIfCancellationRequested();
ManifestUtil.ProgressUtil.AddOrUpdateInProgressTrack(track);
DownloadTrackAndTag(ref track);
//if not downloadable
//ManifestUtil.ProgressUtil.AddOrUpdateNotDownloadableTrack(track);
//Interlocked.Decrement(ref ManifestUtil.ProgressUtil.SongsToDownload);
track.IsDownloaded = true;
ManifestUtil.ProgressUtil.AddOrUpdateSuccessFullTrack(track);
ProcessUpdateManifestDelegate pumd = ManifestUtil.UpdateManifest;
pumd(track);
}
catch (Exception e)
{
ManifestUtil.ProgressUtil.AddOrUpdateFailedTrack(track, e);
ManifestUtil.FileSystemUtil.LogTrackException(track, e);
double exceptionPercentage = ((double)ManifestUtil.ProgressUtil.CurrentAmountOfExceptions / (double)ManifestUtil.ProgressUtil.SongsProcessing) * 100;
if (exceptionPercentage >= ProgressUtils.MaximumExceptionThreshHoldPercentage)
{
ManifestUtil.ProgressUtil.HasErrors = true;
syncCancellationSource.Cancel();
}
}
});
}
catch (OperationCanceledException e)
{
ManifestUtil.ProgressUtil.ThrowAllExceptionsWithRootException(e);
}
finally
{
}
}
public void DownloadSongs(IList <Track> tracksToDownload)
{
Interlocked.Add(ref ManifestUtil.ProgressUtil.SongsToDownload, tracksToDownload.Count);
if (ManifestUtil.ProgressUtil.SongsToDownload == 0)
{
return;
}
var cts = new CancellationTokenSource();
if (ConcurrentDownloads == 0)
{
throw new Exception("Number for concurrent downloads must be at least 1");
}
var po = new ParallelOptions
{
CancellationToken = cts.Token,
MaxDegreeOfParallelism = ConcurrentDownloads
};
try
{
Parallel.ForEach(tracksToDownload, po,
track =>
{
try
{
ManifestUtil.ProgressUtil.AddOrUpdateInProgressTrack(track);
if (!DownloadTrackAndTag(ref track))
{
return;
}
track.IsDownloaded = true;
ManifestUtil.ProgressUtil.AddOrUpdateSuccessFullTrack(track);
ProcessUpdateManifestDelegate pumd = ManifestUtil.UpdateManifest;
pumd(track);
}
catch (Exception e)
{
ManifestUtil.ProgressUtil.AddOrUpdateFailedTrack(track, e);
ManifestUtil.FileSystemUtil.LogTrackWithError(track, e);
//EventLog.WriteEntry(Application.ProductName, exc.ToString());
if (ProgressUtils.MaximumExceptionsCount <= ManifestUtil.ProgressUtil.CurrentAmountOfExceptions)
{
ManifestUtil.ProgressUtil.IsError = true;
cts.Cancel();
po.CancellationToken.ThrowIfCancellationRequested();
}
}
});
}
catch (OperationCanceledException e)
{
ManifestUtil.ProgressUtil.ThrowAllExceptionsWithRootException(e);
}
finally
{
cts.Dispose();
}
}
