public ClientEngine(EngineSettings settings, IPeerListener listener, IPieceWriter writer)
{
Check.Settings(settings);
Check.Listener(listener);
Check.Writer(writer);
// This is just a sanity check to make sure the ReusableTasks.dll assembly is
// loadable.
GC.KeepAlive(ReusableTasks.ReusableTask.CompletedTask);
PeerId = GeneratePeerId();
Listener = listener ?? throw new ArgumentNullException(nameof(listener));
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
allTorrents = new List <TorrentManager> ();
publicTorrents = new List <TorrentManager> ();
Torrents = new ReadOnlyCollection <TorrentManager> (publicTorrents);
DiskManager = new DiskManager(Settings, writer);
ConnectionManager = new ConnectionManager(PeerId, Settings, DiskManager);
DhtEngine = new NullDhtEngine();
listenManager = new ListenManager(this);
PortForwarder = new MonoNatPortForwarder();
MainLoop.QueueTimeout(TimeSpan.FromMilliseconds(TickLength), delegate {
if (IsRunning && !Disposed)
{
LogicTick();
}
return(!Disposed);
});
downloadLimiter = new RateLimiter();
downloadLimiters = new RateLimiterGroup {
new DiskWriterLimiter(DiskManager),
downloadLimiter,
};
uploadLimiter = new RateLimiter();
uploadLimiters = new RateLimiterGroup {
uploadLimiter
};
listenManager.Register(listener);
if (SupportsLocalPeerDiscovery)
{
RegisterLocalPeerDiscovery(new LocalPeerDiscovery(Settings));
}
}
void CreateRateLimiters()
{
DownloadLimiter = new RateLimiter();
DownloadLimiters = new RateLimiterGroup {
new PauseLimiter(this),
DownloadLimiter
};
UploadLimiter = new RateLimiter();
UploadLimiters = new RateLimiterGroup {
new PauseLimiter(this),
UploadLimiter
};
}
private short roundsChoked, roundsUnchoked; // for stats measurement
private void InitializeTyrant()
{
this.haveMessagesReceived = 0;
this.startTime = Stopwatch.GetTimestamp();
this.rateLimiter = new RateLimiter();
this.uploadRateForRecip = MARKET_RATE;
this.lastRateReductionTime = DateTime.Now;
this.lastMeasuredDownloadRate = 0;
this.maxObservedDownloadSpeed = 0;
this.roundsChoked = 0;
this.roundsUnchoked = 0;
}
private void InitializeTyrant()
{
HaveMessagesReceived = 0;
TyrantStartTime.Restart();
RateLimiter = new RateLimiter();
UploadRateForRecip = MARKET_RATE;
LastRateReductionTime.Restart();
lastMeasuredDownloadRate = 0;
maxObservedDownloadSpeed = 0;
RoundsChoked = 0;
RoundsUnchoked = 0;
}
void CreateRateLimiters()
{
RateLimiter downloader = new RateLimiter();
downloadLimiter = new RateLimiterGroup();
downloadLimiter.Add(new PauseLimiter(this));
downloadLimiter.Add(downloader);
RateLimiter uploader = new RateLimiter();
uploadLimiter = new RateLimiterGroup();
uploadLimiter.Add(new PauseLimiter(this));
uploadLimiter.Add(uploader);
}
public async Task SendData_RateLimited()
{
// Allow 1 megabyte worth of data
var oneMegabyte = 1 * 1024 * 1024;
var limiter = new RateLimiter();
limiter.UpdateChunks(oneMegabyte, oneMegabyte);
await NetworkIO.SendAsync(Incoming, new byte[oneMegabyte], 0, oneMegabyte, limiter, null, null);
var expectedChunks = (int)Math.Ceiling(oneMegabyte / (double)NetworkIO.ChunkLength);
Assert.AreEqual(expectedChunks, Incoming.Sends.Count, "#1");
}
public ClientEngine(EngineSettings settings, IPieceWriter writer)
{
Check.Settings(settings);
// This is just a sanity check to make sure the ReusableTasks.dll assembly is
// loadable.
GC.KeepAlive(ReusableTasks.ReusableTask.CompletedTask);
PeerId = GeneratePeerId();
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
allTorrents = new List <TorrentManager> ();
publicTorrents = new List <TorrentManager> ();
Torrents = new ReadOnlyCollection <TorrentManager> (publicTorrents);
DiskManager = new DiskManager(Settings, writer);
ConnectionManager = new ConnectionManager(PeerId, Settings, DiskManager);
listenManager = new ListenManager(this);
PortForwarder = new MonoNatPortForwarder();
MainLoop.QueueTimeout(TimeSpan.FromMilliseconds(TickLength), delegate {
if (IsRunning && !Disposed)
{
LogicTick();
}
return(!Disposed);
});
downloadLimiter = new RateLimiter();
downloadLimiters = new RateLimiterGroup {
new DiskWriterLimiter(DiskManager),
downloadLimiter,
};
uploadLimiter = new RateLimiter();
uploadLimiters = new RateLimiterGroup {
uploadLimiter
};
Listener = PeerListenerFactory.CreateTcp(settings.ListenPort);
listenManager.SetListener(Listener);
DhtListener = DhtListenerFactory.CreateUdp(settings.DhtPort);
DhtEngine = settings.DhtPort == -1 ? new NullDhtEngine() : DhtEngineFactory.Create(DhtListener);
DhtEngine.StateChanged += DhtEngineStateChanged;
DhtEngine.PeersFound += DhtEnginePeersFound;
RegisterLocalPeerDiscovery(settings.AllowLocalPeerDiscovery && settings.ListenPort > 0 ? LocalPeerDiscoveryFactory.Create(settings.ListenPort) : null);
}
internal DiskManager(EngineSettings settings, IPieceWriter writer = null)
{
ReadLimiter = new RateLimiter();
ReadQueue = new Queue <BufferedIO> ();
WriteLimiter = new RateLimiter();
WriteQueue = new Queue <BufferedIO> ();
UpdateTimer = ValueStopwatch.StartNew();
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
writer ??= new DiskWriter(settings.MaximumOpenFiles);
Cache = new MemoryCache(settings.DiskCacheBytes, writer);
}
public async Task SendData_RateLimited()
{
// Allow 1 megabyte worth of data
var oneMegabyte = 1 * 1024 * 1024;
var limiter = new RateLimiter();
limiter.UpdateChunks(oneMegabyte, oneMegabyte, NetworkIO.ChunkLength);
using var releaser = MemoryPool.Default.Rent(oneMegabyte, out Memory <byte> buffer);
await NetworkIO.SendAsync(Incoming, buffer, limiter, null, null);
var expectedChunks = (int)Math.Ceiling(oneMegabyte / (double)NetworkIO.ChunkLength);
Assert.AreEqual(expectedChunks, Incoming.Sends.Count, "#1");
}
internal DiskManager(EngineSettings settings, IPieceWriter writer)
{
ReadLimiter = new RateLimiter();
ReadMonitor = new SpeedMonitor();
ReadQueue = new Queue <BufferedIO> ();
WriteLimiter = new RateLimiter();
WriteMonitor = new SpeedMonitor();
WriteQueue = new Queue <BufferedIO> ();
UpdateTimer = ValueStopwatch.StartNew();
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
Writer = writer ?? throw new ArgumentNullException(nameof(writer));
}
void CreateRateLimiters()
{
RateLimiter downloader = new RateLimiter();
downloadLimiter = new RateLimiterGroup();
downloadLimiter.Add(new DiskWriterLimiter(DiskManager));
downloadLimiter.Add(downloader);
RateLimiter uploader = new RateLimiter();
uploadLimiter = new RateLimiterGroup();
uploadLimiter.Add(uploader);
MainLoop.QueueTimeout(TimeSpan.FromSeconds(1), delegate {
downloader.UpdateChunks(Settings.GlobalMaxDownloadSpeed, TotalDownloadSpeed);
uploader.UpdateChunks(Settings.GlobalMaxUploadSpeed, TotalUploadSpeed);
return(!Disposed);
});
}
public async Task ReceiveData_RateLimited()
{
// Allow 1 megabyte worth of data
var oneMegabyte = 1 * 1024 * 1024;
var limiter = new RateLimiter();
limiter.UpdateChunks(oneMegabyte, oneMegabyte);
using var r1 = SocketMemoryPool.Default.Rent(oneMegabyte, out var sendBuffer);
using var r2 = SocketMemoryPool.Default.Rent(oneMegabyte, out var receiveBuffer);
await Outgoing.SendAsync(sendBuffer);
await NetworkIO.ReceiveAsync(Incoming, receiveBuffer, limiter, null, null);
var expectedChunks = (int)Math.Ceiling(oneMegabyte / (double)NetworkIO.ChunkLength);
Assert.AreEqual(expectedChunks, Incoming.Receives.Count, "#1");
}
internal DiskManager(EngineSettings settings, Factories factories, IPieceWriter?writer = null)
{
ReadLimiter = new RateLimiter();
ReadQueue = new Queue <BufferedIO> ();
WriteLimiter = new RateLimiter();
WriteQueue = new Queue <BufferedIO> ();
UpdateTimer = ValueStopwatch.StartNew();
Factories = factories ?? throw new ArgumentNullException(nameof(factories));
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
writer ??= factories.CreatePieceWriter(settings.MaximumOpenFiles);
Cache = factories.CreateBlockCache(writer, settings.DiskCacheBytes, BufferPool);
Cache.ReadThroughCache += (o, e) => WriterReadMonitor.AddDelta(e.RequestLength);
Cache.WrittenThroughCache += (o, e) => WriterWriteMonitor.AddDelta(e.RequestLength);
IncrementalHashCache = new Cache <IncrementalHashData> (() => new IncrementalHashData());
}
public ClientEngine(EngineSettings settings, IPeerListener listener, IPieceWriter writer)
{
Check.Settings(settings);
Check.Listener(listener);
Check.Writer(writer);
PeerId = GeneratePeerId();
Listener = listener ?? throw new ArgumentNullException(nameof(listener));
Settings = settings ?? throw new ArgumentNullException(nameof(settings));
torrents = new List <TorrentManager>();
Torrents = new ReadOnlyCollection <TorrentManager> (torrents);
DiskManager = new DiskManager(Settings, writer);
ConnectionManager = new ConnectionManager(PeerId, Settings, DiskManager);
DhtEngine = new NullDhtEngine();
listenManager = new ListenManager(this);
MainLoop.QueueTimeout(TimeSpan.FromMilliseconds(TickLength), delegate {
if (IsRunning && !Disposed)
{
LogicTick();
}
return(!Disposed);
});
downloadLimiter = new RateLimiter();
downloadLimiters = new RateLimiterGroup {
new DiskWriterLimiter(DiskManager),
downloadLimiter,
};
uploadLimiter = new RateLimiter();
uploadLimiters = new RateLimiterGroup {
uploadLimiter
};
listenManager.Register(listener);
if (SupportsLocalPeerDiscovery)
{
RegisterLocalPeerDiscovery(new LocalPeerDiscovery(Settings));
}
}
internal DiskManager(ClientEngine engine, PieceWriter writer)
{
this.bufferedReads = new Queue <BufferedIO>();
this.bufferedWrites = new Queue <BufferedIO>();
this.engine = engine;
this.ReadLimiter = new RateLimiter();
this.readMonitor = new SpeedMonitor();
this.writeMonitor = new SpeedMonitor();
this.WriteLimiter = new RateLimiter();
this.Writer = writer;
IOLoop.QueueTimeout(TimeSpan.FromSeconds(1), () => {
readMonitor.Tick();
writeMonitor.Tick();
WriteLimiter.UpdateChunks(engine.Settings.MaxWriteRate, WriteRate);
ReadLimiter.UpdateChunks(engine.Settings.MaxReadRate, ReadRate);
ProcessBufferedIO();
return(!Disposed);
});
}
public ClientEngine(EngineSettings settings, PeerListener listener, PieceWriter writer)
{
Check.Settings(settings);
Check.Listener(listener);
Check.Writer(writer);
this.listener = listener;
this.settings = settings;
this.connectionManager = new ConnectionManager(this);
this.dhtListener = new UdpListener(new IPEndPoint(IPAddress.Any, settings.ListenPort));
this.dhtEngine = new DhtEngine(dhtListener);
this.diskManager = new DiskManager(this, writer);
this.listenManager = new ListenManager(this);
MainLoop.QueueTimeout(TimeSpan.FromMilliseconds(TickLength), delegate {
if (IsRunning && !disposed)
LogicTick();
return !disposed;
});
this.torrents = new MonoTorrentCollection<TorrentManager>();
this.downloadLimiter = new RateLimiter();
this.uploadLimiter = new RateLimiter();
this.peerId = GeneratePeerId();
listenManager.Register(listener);
dhtEngine.StateChanged += delegate {
if (dhtEngine.State != State.Ready)
return;
MainLoop.Queue(delegate {
foreach (TorrentManager manager in torrents)
{
if (!manager.CanUseDht)
continue;
dhtEngine.Announce(manager.Torrent.infoHash, Listener.Endpoint.Port);
dhtEngine.GetPeers(manager.Torrent.infoHash);
}
});
};
// This means we created the listener in the constructor
if (listener.Endpoint.Port == 0)
listener.ChangeEndpoint(new IPEndPoint(IPAddress.Any, settings.ListenPort));
listener.Start();
}
internal static void EnqueueSend(IConnection connection, ArraySegment<byte> buffer, int offset, int count, AsyncTransfer callback, object state, RateLimiter limiter, ConnectionMonitor managerMonitor, ConnectionMonitor peerMonitor)
{
EnqueueSend(connection, buffer.Array, buffer.Offset + offset, count, callback, state, limiter, managerMonitor, peerMonitor);
}
void CreateRateLimiters()
{
RateLimiter downloader = new RateLimiter();
downloadLimiter = new RateLimiterGroup();
downloadLimiter.Add(new DiskWriterLimiter(DiskManager));
downloadLimiter.Add(downloader);
RateLimiter uploader = new RateLimiter();
uploadLimiter = new RateLimiterGroup();
downloadLimiter.Add(new DiskWriterLimiter(DiskManager));
uploadLimiter.Add(uploader);
ClientEngine.MainLoop.QueueTimeout(TimeSpan.FromSeconds(1), delegate {
downloader.UpdateChunks(Settings.GlobalMaxDownloadSpeed, TotalDownloadSpeed);
uploader.UpdateChunks(Settings.GlobalMaxUploadSpeed, TotalUploadSpeed);
return !disposed;
});
}
internal DiskManager(ClientEngine engine, PieceWriter writer)
{
this.bufferedReads = new Queue <BufferedIO>();
this.bufferedWrites = new Queue <BufferedIO>();
this.cache = new Cache <BufferedIO>(true).Synchronize();
this.engine = engine;
this.readLimiter = new RateLimiter();
this.readMonitor = new SpeedMonitor();
this.writeMonitor = new SpeedMonitor();
this.writeLimiter = new RateLimiter();
this.writer = writer;
LoopTask = delegate {
if (disposed)
{
return;
}
while (this.bufferedWrites.Count > 0 && writeLimiter.TryProcess(bufferedWrites.Peek().buffer.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);
});
}
private void InitializeTyrant()
{
this.haveMessagesReceived = 0;
this.startTime = Stopwatch.GetTimestamp();
this.rateLimiter = new RateLimiter();
this.uploadRateForRecip = MARKET_RATE;
this.lastMeasuredDownloadRate = 0;
this.maxObservedDownloadSpeed = 0;
this.roundsChoked = 0;
this.roundsUnchoked = 0;
}
internal DiskManager(ClientEngine engine, PieceWriter writer)
{
this.bufferedReads = new Queue<BufferedIO>();
this.bufferedWrites = new Queue<BufferedIO>();
this.cache = new Cache<BufferedIO>(true).Synchronize ();
this.engine = engine;
this.readLimiter = new RateLimiter();
this.readMonitor = new SpeedMonitor();
this.writeMonitor = new SpeedMonitor();
this.writeLimiter = new RateLimiter();
this.writer = writer;
LoopTask = delegate {
if (disposed)
return;
while (this.bufferedWrites.Count > 0 && writeLimiter.TryProcess(bufferedWrites.Peek ().buffer.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;
});
}
internal static void EnqueueSend(IConnection connection, byte[] buffer, int offset, int count, AsyncTransfer callback, object state, RateLimiter limiter, ConnectionMonitor managerMonitor, ConnectionMonitor peerMonitor)
{
AsyncIO io = new AsyncIO(connection, buffer, offset, count, callback, state, limiter, managerMonitor, peerMonitor);
EnqueueSend(io);
}
public AsyncIO(IConnection connection, byte[] buffer, int offset, int total, AsyncTransfer callback, object state, RateLimiter limiter, ConnectionMonitor managerMonitor, ConnectionMonitor peerMonitor)
{
Connection = connection;
Buffer = buffer;
Offset = offset;
Count = 0;
Callback = callback;
ManagerMonitor = managerMonitor;
PeerMonitor = peerMonitor;
RateLimiter = limiter;
State = state;
Total = total;
}
private void InitializeTyrant()
{
haveMessagesReceived = 0;
startTime = Stopwatch.GetTimestamp();
RateLimiter = new RateLimiter();
uploadRateForRecip = MARKET_RATE;
lastRateReductionTime = DateTime.Now;
lastMeasuredDownloadRate = 0;
maxObservedDownloadSpeed = 0;
RoundsChoked = 0;
RoundsUnchoked = 0;
}