private void MessageReceived(bool successful, PeerMessage message, object state) { var id = (PeerId)state; if (!successful) { id.ConnectionManager.CleanupSocket(id, "Could not receive a message"); return; } try { var e = new PeerMessageEventArgs(id.TorrentManager, message, Direction.Incoming, id); id.ConnectionManager.RaisePeerMessageTransferred(e); message.Handle(id); id.LastMessageReceived = DateTime.Now; PeerIO.EnqueueReceiveMessage(id.Connection, id.Decryptor, id.TorrentManager.DownloadLimiter, id.Monitor, id.TorrentManager, MessageReceivedCallback, id); } catch (TorrentException ex) { id.ConnectionManager.CleanupSocket(id, ex.Message); } }
private void PeerHandshakeReceived(bool succeeded, PeerMessage message, object state) { var id = (PeerId)state; if (!succeeded) { CleanupSocket(id, "Handshaking failed"); return; } try { message.Handle(id); // If there are any pending messages, send them otherwise set the queue // processing as finished. if (id.QueueLength > 0) { id.ConnectionManager.ProcessQueue(id); } else { id.ProcessingQueue = false; } PeerIO.EnqueueReceiveMessage(id.Connection, id.Decryptor, id.TorrentManager.DownloadLimiter, id.Monitor, id.TorrentManager, MessageReceivedCallback, id); // Alert the engine that there is a new usable connection id.TorrentManager.HandlePeerConnected(id, Direction.Outgoing); } catch (TorrentException ex) { CleanupSocket(id, ex.Message); } }
private void DownloadLogic(int counter) { var needAddWebSeeds = (DateTime.Now - _manager.StartTime) > TimeSpan.FromMinutes(1) && _manager.Monitor.DownloadSpeed < _addWebSeedsSpeedLimit * 1024; if (needAddWebSeeds || _addWebSeedsSpeedLimit == 0) { foreach (var s in _manager.Torrent.GetRightHttpSeeds) { var peerId = "-WebSeed-"; peerId = peerId + (_webseedCount++).ToString().PadLeft(20 - peerId.Length, '0'); var uri = new Uri(s); var peer = new Peer(peerId, uri); var id = new PeerId(peer, _manager); var connection = new HttpConnection(new Uri(s)); connection.Manager = _manager; peer.IsSeeder = true; id.BitField.SetAll(true); id.Encryptor = new PlainTextEncryption(); id.Decryptor = new PlainTextEncryption(); id.IsChoking = false; id.AmInterested = !_manager.Complete; id.Connection = connection; id.ClientApp = new Software(id.PeerID); _manager.Peers.ConnectedPeers.Add(id); _manager.RaisePeerConnected(new PeerConnectionEventArgs(_manager, id, Direction.Outgoing)); PeerIO.EnqueueReceiveMessage( id.Connection, id.Decryptor, Manager.DownloadLimiter, id.Monitor, id.TorrentManager, id.ConnectionManager.MessageReceivedCallback, id); } // FIXME: In future, don't clear out this list. It may be useful to keep the list of HTTP seeds // Add a boolean or something so that we don't add them twice. _manager.Torrent.GetRightHttpSeeds.Clear(); } // Remove inactive peers we haven't heard from if we're downloading if (_manager.State == TorrentState.Downloading && _manager.LastCalledInactivePeerManager + TimeSpan.FromSeconds(5) < DateTime.Now) { _manager.InactivePeerManager.TimePassed(); _manager.LastCalledInactivePeerManager = DateTime.Now; } // Now choke/unchoke peers; first instantiate the choke/unchoke manager if we haven't done so already if (_manager.ChokeUnchoker == null) { _manager.ChokeUnchoker = new ChokeUnchokeManager( _manager, _manager.Settings.MinimumTimeBetweenReviews, _manager.Settings.PercentOfMaxRateToSkipReview); } _manager.ChokeUnchoker.UnchokeReview(); }
/// <summary> /// This method is called when the ClientEngine recieves a valid incoming connection /// </summary> private void IncomingConnectionAccepted(bool succeeded, int count, object state) { var id = (PeerId)state; try { if (!succeeded) { var args = new PeerConnectionFailedEventArgs(id.TorrentManager, id.Peer, Direction.Incoming, "Incoming connection coult not be accepted"); id.TorrentManager.RaiseConnectionAttemptFailed(args); } var maxAlreadyOpen = OpenConnections >= Math.Min(MaxOpenConnections, id.TorrentManager.Settings.MaxConnections); if (!succeeded || id.Peer.PeerId == _engine.PeerId || maxAlreadyOpen) { CleanupSocket(id, "Connection was not accepted"); return; } if (id.TorrentManager.Peers.ActivePeers.Contains(id.Peer)) { Logger.Log(id.Connection, "ConnectionManager - Already connected to peer"); id.Connection.Dispose(); return; } Logger.Log(id.Connection, "ConnectionManager - Incoming connection fully accepted"); id.TorrentManager.Peers.AvailablePeers.Remove(id.Peer); id.TorrentManager.Peers.ActivePeers.Add(id.Peer); id.TorrentManager.Peers.ConnectedPeers.Add(id); id.WhenConnected = DateTime.Now; // Baseline the time the last block was received id.LastBlockReceived = DateTime.Now; id.TorrentManager.HandlePeerConnected(id, Direction.Incoming); // We've sent our handshake so begin our looping to receive incoming message PeerIO.EnqueueReceiveMessage(id.Connection, id.Decryptor, id.TorrentManager.DownloadLimiter, id.Monitor, id.TorrentManager, MessageReceivedCallback, id); } catch (Exception e) { CleanupSocket(id, e.Message); } }