/// <summary> /// /// </summary> /// <param name="manager">The torrent which the peer is associated with.</param> /// <param name="id">The peer whose message queue you want to start processing</param> internal async void ProcessQueue(TorrentManager manager, PeerId id) { while (id.QueueLength > 0) { var msg = id.Dequeue(); var pm = msg as PieceMessage; try { if (pm != null) { pm.Data = ClientEngine.BufferManager.GetBuffer(pm.ByteLength); try { await DiskManager.ReadAsync(manager.Torrent, pm.StartOffset + ((long)pm.PieceIndex * manager.Torrent.PieceLength), pm.Data, pm.RequestLength); } catch (Exception ex) { manager.TrySetError(Reason.ReadFailure, ex); return; } id.PiecesSent++; } await PeerIO.SendMessageAsync(id.Connection, id.Encryptor, msg, manager.UploadLimiters, id.Monitor, manager.Monitor); if (msg is PieceMessage) { id.IsRequestingPiecesCount--; } id.LastMessageSent.Restart(); } catch { CleanupSocket(manager, id); break; } finally { if (pm?.Data != null) { ClientEngine.BufferManager.FreeBuffer(pm.Data); } } } id.ProcessingQueue = false; }
/// <summary> /// /// </summary> /// <param name="manager">The torrent which the peer is associated with.</param> /// <param name="id">The peer whose message queue you want to start processing</param> internal async void TryProcessQueue(TorrentManager manager, PeerId id) { if (!id.MessageQueue.BeginProcessing()) { return; } await MainLoop.SwitchToThreadpool(); ByteBufferPool.Releaser messageBuffer = default; ByteBufferPool.Releaser pieceBuffer = default; PeerMessage msg; try { while ((msg = id.MessageQueue.TryDequeue()) != null) { var msgLength = msg.ByteLength; if (msg is PieceMessage pm) { if (pieceBuffer.Buffer == null) { pieceBuffer = DiskManager.BufferPool.Rent(msgLength, out ByteBuffer _); } pm.DataReleaser = pieceBuffer; try { await DiskManager.ReadAsync(manager, pm.StartOffset + ((long)pm.PieceIndex * manager.Torrent.PieceLength), pm.Data, pm.RequestLength).ConfigureAwait(false); } catch (Exception ex) { await ClientEngine.MainLoop; manager.TrySetError(Reason.ReadFailure, ex); return; } System.Threading.Interlocked.Increment(ref id.piecesSent); } else { pieceBuffer.Dispose(); } if (messageBuffer.Buffer == null || messageBuffer.Buffer.Data.Length < msg.ByteLength) { messageBuffer.Dispose(); messageBuffer = NetworkIO.BufferPool.Rent(msgLength, out ByteBuffer _); } await PeerIO.SendMessageAsync(id.Connection, id.Encryptor, msg, manager.UploadLimiters, id.Monitor, manager.Monitor, messageBuffer.Buffer).ConfigureAwait(false); if (msg is PieceMessage) { System.Threading.Interlocked.Decrement(ref id.isRequestingPiecesCount); } id.LastMessageSent.Restart(); } } catch { await ClientEngine.MainLoop; CleanupSocket(manager, id); } finally { messageBuffer.Dispose(); pieceBuffer.Dispose(); } }