// savePath is the directory where downloads will be stored
public TorrentFunc(StorageFolder Path)
{
// Create a basic ClientEngine without changing any settings
this.engine = new ClientEngine(new EngineSettings());
this.savePath = Path;
}
public TorrentStreamService(ClientEngine engine)
{
_engine = engine;
}
public async void tor()
{
var port = 6881;
var dhtPort = 15000;
// Use Universal.Nat to enable upnp port mapping
/* var natManager = new NatManager(port);
natManager.Start();*/
var picker = new FileOpenPicker();
picker.FileTypeFilter.Add(".torrent");
var file = await picker.PickSingleFileAsync();
var stream = await file.OpenStreamForReadAsync();
var torrent = Universal.Torrent.Common.Torrent.Load(stream);
if (torrent != null)
{
var engineSettings = new EngineSettings(savePath, port)
{
PreferEncryption = true,
AllowedEncryption = EncryptionTypes.All
};
// Create the default settings which a torrent will have.
// 4 Upload slots - a good ratio is one slot per 5kB of upload speed
// 50 open connections - should never really need to be changed
// Unlimited download speed - valid range from 0 -> int.Max
// Unlimited upload speed - valid range from 0 -> int.Max
var torrentDefaults = new TorrentSettings(4, 150, 0, 0)
{
UseDht = true,
EnablePeerExchange = true
};
// Create an instance of the engine.
var engine = new ClientEngine(engineSettings);
//engine.ChangeListenEndpoint(new IPEndPoint(IPAddress.Any, port));
//var dhtListner = new DhtListener(new IPEndPoint(IPAddress.Any, dhtPort));
//var dht = new DhtEngine(dhtListner);
//engine.RegisterDht(dht);
//dhtListner.Start();
//engine.DhtEngine.Start();
// When any preprocessing has been completed, you create a TorrentManager
// which you then register with the engine.
var manager = new TorrentManager(torrent, ApplicationData.Current.LocalFolder, torrentDefaults);
engine.Register(manager);
// Every time a piece is hashed, this is fired.
manager.PieceHashed +=
delegate (object o, PieceHashedEventArgs e)
{
//Debug.WriteLine("Piece Hashed: {0} - {1}", e.PieceIndex, e.HashPassed ? "Pass" : "Fail");
};
// Every time the state changes (Stopped -> Seeding -> Downloading -> Hashing) this is fired
manager.TorrentStateChanged +=
delegate (object o, TorrentStateChangedEventArgs e)
{
//Debug.WriteLine("OldState: " + e.OldState + " NewState: " + e.NewState);
};
// Every time the tracker's state changes, this is fired
foreach (var t in manager.TrackerManager.SelectMany(tier => tier.Trackers))
{
t.AnnounceComplete +=
delegate (object sender, AnnounceResponseEventArgs e)
{
// Debug.WriteLine("{0}: {1}", e.Successful, e.Tracker);
};
}
// Start the torrentmanager. The file will then hash (if required) and begin downloading/seeding
manager.Start();
var dispatcher = Window.Current.Dispatcher;
engine.StatsUpdate +=
async (sender, args) =>
{
await
dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
//TextBlock.Text = $"{manager.Peers.Seeds} seeds / {manager.Peers.Leechs} leechs / {manager.Progress} %";
});
};
}
}
internal DiskManager(ClientEngine engine, PieceWriter.PieceWriter writer)
{
_bufferedReads = new Queue<BufferedIO>();
_bufferedWrites = new Queue<BufferedIO>();
_cache = new Cache<BufferedIO>(true).Synchronize();
_engine = engine;
ReadLimiter = new RateLimiter();
_readMonitor = new SpeedMonitor();
_writeMonitor = new SpeedMonitor();
WriteLimiter = new RateLimiter();
Writer = writer;
_loopTask = delegate
{
if (Disposed)
return;
while (this._bufferedWrites.Count > 0 &&
WriteLimiter.TryProcess(_bufferedWrites.Peek().InternalBuffer.Length/2048))
{
BufferedIO write;
lock (_bufferLock)
write = this._bufferedWrites.Dequeue();
try
{
PerformWrite(write);
_cache.Enqueue(write);
}
catch (Exception ex)
{
if (write.Manager != null)
SetError(write.Manager, Reason.WriteFailure, ex);
}
}
while (this._bufferedReads.Count > 0 && ReadLimiter.TryProcess(_bufferedReads.Peek().Count/2048))
{
BufferedIO read;
lock (_bufferLock)
read = this._bufferedReads.Dequeue();
try
{
PerformRead(read);
_cache.Enqueue(read);
}
catch (Exception ex)
{
if (read.Manager != null)
SetError(read.Manager, Reason.ReadFailure, ex);
}
}
};
IoLoop.QueueTimeout(TimeSpan.FromSeconds(1), delegate
{
if (Disposed)
return false;
_readMonitor.Tick();
_writeMonitor.Tick();
_loopTask();
return true;
});
}
