public ClientEngine(EngineSettings settings, PeerListener listener, PieceWriter writer, string peerId = null)
{
Check.Settings(settings);
Check.Listener(listener);
Check.Writer(writer);
this.listener = listener;
this.settings = settings;
if (settings.FastResumePath != null && File.Exists(settings.FastResumePath))
{
var encodedListData = File.ReadAllBytes(settings.FastResumePath);
var encodedList = (BEncodedList)BEncodedValue.Decode(encodedListData);
_fastResume = encodedList.Cast <BEncodedDictionary>()
.Select(x => new FastResume(x));
}
connectionManager = new ConnectionManager(this);
RegisterDht(new NullDhtEngine());
diskManager = new DiskManager(this, writer);
listenManager = new ListenManager(this);
MainLoop.QueueTimeout(TimeSpan.FromMilliseconds(TickLength), () =>
{
if (IsRunning && !disposed)
{
LogicTick();
}
return(!disposed);
});
torrents = new List <TorrentManager>();
torrentsReadonly = new ReadOnlyCollection <TorrentManager>(torrents);
CreateRateLimiters();
this.peerId = peerId ?? GeneratePeerId();
localPeerListener = new LocalPeerListener(this);
localPeerManager = new LocalPeerManager();
LocalPeerSearchEnabled = SupportsLocalPeerDiscovery;
listenManager.Register(listener);
// This means we created the listener in the constructor
if (listener.Endpoint.Port == 0)
{
listener.ChangeEndpoint(new IPEndPoint(IPAddress.Any, settings.ListenPort));
}
}
internal DiskManager(ClientEngine engine, 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 (_bufferedWrites.Count > 0 && WriteLimiter.TryProcess(_bufferedWrites.Peek().buffer.Length / 2048))
{
BufferedIO write;
lock (_bufferLock)
write = _bufferedWrites.Dequeue();
try
{
PerformWrite(write);
_cache.Enqueue(write);
}
catch (Exception ex)
{
if (write.Manager != null)
{
SetError(write.Manager, Reason.WriteFailure, ex);
}
}
}
while (_bufferedReads.Count > 0 && ReadLimiter.TryProcess(_bufferedReads.Peek().Count / 2048))
{
BufferedIO read;
lock (_bufferLock)
read = _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), () =>
{
if (_disposed)
{
return(false);
}
_readMonitor.Tick();
_writeMonitor.Tick();
_loopTask();
return(true);
});
}