private void SetupTorrentWatcher()
{
watcher = new TorrentFolderWatcher(Path.GetFullPath(TORRENT_DIR), "*.torrent");
watcher.TorrentFound += delegate(object sender, TorrentWatcherEventArgs e)
{
try
{
// This is a hack to work around the issue where a file triggers the event
// before it has finished copying. As the filesystem still has an exclusive lock
// on the file, monotorrent can't access the file and throws an exception.
// The best way to handle this depends on the actual application.
// Generally the solution is: Wait a few hundred milliseconds
// then try load the file.
Thread.Sleep(500);
var t = Torrent.Load(e.TorrentPath);
// There is also a predefined 'InfoHashTrackable' MonoTorrent.Tracker which
// just stores the infohash and name of the torrent. This is all that the tracker
// needs to run. So if you want an ITrackable that "just works", then use InfoHashTrackable.
// ITrackable trackable = new InfoHashTrackable(t);
ITrackable trackable = new CustomITrackable(t);
// The lock is here because the TorrentFound event is asyncronous and I have
// to ensure that only 1 thread access the tracker at the same time.
lock (tracker)
tracker.Add(trackable);
}
catch (Exception ex)
{
Debug.WriteLine("Error loading torrent from disk: {0}", ex.Message);
Debug.WriteLine("Stacktrace: {0}", ex.ToString());
}
};
watcher.Start();
watcher.ForceScan();
}
public SimpleTracker(string announcementEndpoint, string torrentsDirectoryPath)
{
// Make the listner.
var listener = new HttpListener(announcementEndpoint);
// Make the tracker.
Tracker = new Tracker ();
Tracker.AnnounceInterval = new TimeSpan (0, 1, 0);
Tracker.AllowUnregisteredTorrents = true;
Tracker.RegisterListener (listener);
// Make mappings.
Mappings = new ConcurrentDictionary<string, InfoHashTrackable> ();
// Make watcher.
Watcher = new TorrentFolderWatcher (torrentsDirectoryPath, "*.torrent");
Watcher.TorrentFound += (sender, e) =>
{
try
{
// Wait for file to finish copying.
System.Threading.Thread.Sleep (500);
// Make InfoHashTrackable from torrent.
var torrent = Torrent.Load (e.TorrentPath);
var trackable = new InfoHashTrackable (torrent);
// Add to tracker.
lock (Tracker)
Tracker.Add (trackable);
// Save to mappings.
Mappings[e.TorrentPath] = trackable;
// Log.
Console.WriteLine("Added {0}", e.TorrentPath);
}
catch (Exception exception)
{
Debug.WriteLine ("Error loading torrent from disk: {0}", exception.Message);
Debug.WriteLine ("Stacktrace: {0}", exception.ToString ());
}
};
Watcher.TorrentLost += (sender, e) =>
{
try
{
// Get from mappings.
var trackable = Mappings[e.TorrentPath];
// Remove from tracker.
lock(Tracker)
Tracker.Remove(trackable);
// Remove from mappings.
Mappings.TryRemove(e.TorrentPath, out trackable);
// Log.
Console.WriteLine("Removed {0}", e.TorrentPath);
}
catch(Exception exception)
{
Debug.WriteLine ("Error uploading torrent from disk: {0}", exception.Message);
Debug.WriteLine ("Stacktrace: {0}", exception.ToString ());
}
};
// Register close events.
AppDomain.CurrentDomain.ProcessExit += (sender, e) => Tracker.Dispose ();
// Run.
listener.Start();
Watcher.Start();
Watcher.ForceScan();
}
internal void AddWatcher(string line)
{
TorrentFolderWatcher watcher = new TorrentFolderWatcher(line, "*.torrent");
watcher.TorrentFound += TorrentFound;
watcher.ForceScan();
watcher.Start();
watchers.Add(line, watcher);
}
