private TorrentStatus GetAndCheckTorrentStatus(TorrentClient torrentClient,
CancellationToken cancellationToken)
{
var torrentClientStatus = torrentClient.GetStatus(cancellationToken);
_logger.LogTrace("status = " + torrentClientStatus.Status);
if (torrentClientStatus.Status != "ok")
{
throw new DownloadFailureException("Torrent client failure.");
}
Assert.IsNotNull(torrentClientStatus.Data);
Assert.IsNotNull(torrentClientStatus.Data.Torrents);
Assert.AreEqual(1, torrentClientStatus.Data.Torrents.Length);
var torrentStatus = torrentClientStatus.Data.Torrents[0];
if (!string.IsNullOrEmpty(torrentStatus.Error))
{
throw new DownloadFailureException("Torrent client failure: " + torrentStatus.Error);
}
return(torrentStatus);
}
public void Download(CancellationToken cancellationToken)
{
Assert.MethodCalledOnlyOnce(ref _downloadHasBeenCalled, "Download");
DebugLogger.Log("Downloading.");
_lastProgress = 0.0;
try
{
_torrentClient = new TorrentClient(new UnityTorrentClientProcessStartInfoProvider());
DownloadTorrentFile(cancellationToken);
AddTorrent();
WaitForTorrentDownload(cancellationToken);
MoveDownloadedFile();
}
finally
{
if (_torrentClient != null)
{
_torrentClient.Dispose();
}
Cleanup();
}
}
public void Download(CancellationToken cancellationToken)
{
try
{
_logger.LogDebug("Downloading...");
_logger.LogTrace("torrentFilePath = " + _torrentFilePath);
_logger.LogTrace("destinationFilePath = " + _destinationFilePath);
_logger.LogTrace("destinationDirectoryPath = " + DestinationDirectoryPath);
Assert.MethodCalledOnlyOnce(ref _downloadHasBeenCalled, "Download");
using (var tempDir = new TemporaryDirectory(DestinationDirectoryPath))
{
using (var torrentClient = new TorrentClient(new UnityTorrentClientProcessStartInfoProvider()))
{
torrentClient.AddTorrent(_torrentFilePath, tempDir.Path, cancellationToken);
var timeoutWatch = new Stopwatch();
timeoutWatch.Start();
var status = GetAndCheckTorrentStatus(torrentClient, cancellationToken);
double initialProgress = status.Progress;
_logger.LogTrace("initialProgress = " + status.Progress);
var waitHandle = new AutoResetEvent(false);
OnDownloadProgressChanged(0);
using (cancellationToken.Register(() => waitHandle.Set()))
{
bool finished = false;
do
{
cancellationToken.ThrowIfCancellationRequested();
status = GetAndCheckTorrentStatus(torrentClient, cancellationToken);
_logger.LogTrace("progress = " + status.Progress);
CheckTimeout(timeoutWatch, status.Progress, initialProgress);
OnDownloadProgressChanged((long)(_totalBytes * status.Progress));
if (status.IsSeeding)
{
finished = true;
}
else
{
waitHandle.WaitOne(UpdateInterval);
}
} while (!finished);
}
cancellationToken.ThrowIfCancellationRequested();
var downloadedFilePath = GetDownloadedFilePath();
if (File.Exists(_destinationFilePath))
{
File.Delete(_destinationFilePath);
}
File.Move(downloadedFilePath, _destinationFilePath);
}
}
// TODO: move file
}
catch (Exception e)
{
_logger.LogError("Downloading has failed.", e);
throw;
}
}