public Client(GameScene gameScene) { GameScene = gameScene; PacketMap.Initialize(); _userName = gameScene.Engine.Username; _socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); _receiveBufferQueue = new ByteQueue(); _readingBufferQueue = new ByteQueue(); _fragPackets = new ByteQueue(); _socketAsyncArgs = new SocketAsyncEventArgs(); _receiveQueueReader = new Thread(ProcessReadQueue); }
public Client(int clientId, int dbId, Server server, Socket socket) { IsLoggingIn = false; ClientId = clientId; DbId = dbId; Server = server; _socket = socket; _currentBuffer = new ByteQueue(); _processedBuffer = new ByteQueue(); FragPackets = new ByteQueue(); _nextActivityCheck = DateTime.Now + TimeSpan.FromSeconds(30); }
internal void SendStart() { if (!Running || !_socket.Connected) { DisposeSendSystem(); return; } try { ByteQueue byteQueue = new ByteQueue(); int length = 0; while (!PacketsToBeSent.IsEmpty && length <= 1024) { Packet packet; if (!PacketsToBeSent.TryDequeue(out packet)) { Interlocked.Exchange(ref _timesEnqueuedForSend, 0); return; } if (!packet.Shared) packet.Write(); byte[] packetBuffer = packet.GetBuffer(); length += packetBuffer.Length; byteQueue.Enqueue(packetBuffer, 0, packetBuffer.Length); packet.Release(); } if (byteQueue.Length > 0) { byte[] data = new byte[length]; byteQueue.Dequeue(data, 0, data.Length); Send_Async(data); } else { Interlocked.Exchange(ref _timesEnqueuedForSend, 0); if (!PacketsToBeSent.IsEmpty) { int newValue = Interlocked.Increment(ref _timesEnqueuedForSend); if (newValue == 1) { Server.SendClientQueue.Enqueue(this); Server.NetworkSignal.Set(); } } } } catch (Exception) { MarkToDispose(); DisposeSendSystem(); //if (packet != null) //Logger.Log(LogLevel.Error, "Sending packet: {0}", packet.ToString()); //Logger.Log(LogLevel.Error, e.ToString()); // TODO: log something? } }
private static byte[] GetBufferToBeRead(ByteQueue processedBuffer, Client client, int length) { int availableData = client.FragPackets.Size + processedBuffer.Size; if (length > availableData) return null; int fromFrag; byte[] data = new byte[length]; if (length >= client.FragPackets.Size) fromFrag = client.FragPackets.Size; else fromFrag = length; client.FragPackets.Dequeue(data, 0, fromFrag); int fromProcessed = length - fromFrag; processedBuffer.Dequeue(data, fromFrag, fromProcessed); return data; }
private void ProcessReadQueue() { while (_recv.WaitOne()) { ByteQueue temp; lock (_queueLock) { temp = _receiveBufferQueue; _receiveBufferQueue = _readingBufferQueue; } _readingBufferQueue = temp; int length = _fragPackets.Size + _readingBufferQueue.Size; while (length > 0) { byte packetType = _fragPackets.Size > 0 ? _fragPackets.GetPacketId() : _readingBufferQueue.GetPacketId(); ClientPacketHandler handler = PacketHandlers.GetHandler((PacketType) packetType); if (handler == null) { byte[] unhandled = GetBufferToBeRead(length); Console.WriteLine("Received unknown packet! Id:{0}", packetType); Console.WriteLine("Fehler {0}", BitConverter.ToString(unhandled)); length = 0; } else if (handler.Length == 0) { byte[] data = GetBufferToBeRead(length); Console.WriteLine("Klappt {0}", BitConverter.ToString(data)); if (length >= handler.MinimumLength) { PacketReader reader = new PacketReader(data, length); handler.OnReceive(this, reader); if (reader.Failed) { EnqueueFragment(data); length = 0; } else { _readingBufferQueue.Enqueue(data, reader.Index, data.Length - reader.Index); length = _readingBufferQueue.Length; } } else { EnqueueFragment(data); length = 0; } } else if (length >= handler.Length) { byte[] data = GetBufferToBeRead(handler.Length); /*using (StreamWriter sw = new StreamWriter(String.Format("recv_packets{0}.log", _userName), true)) { sw.WriteLine("Fixed length: {0}", BitConverter.ToString(data)); }*/ PacketReader reader = new PacketReader(data, handler.Length); handler.OnReceive(this, reader); // If we failed it's because the packet is wrong if (reader.Failed) { Dispose(); length = 0; } else { if (_fragPackets.Length > 0) throw new Exception("Fragpackets must be empy here!"); length = _readingBufferQueue.Length; } } else { /*using (StreamWriter sw = new StreamWriter(String.Format("recv_packets{0}.log", _userName), true)) { */ byte[] data = GetBufferToBeRead(length); //sw.WriteLine("Fragmented fixed: {0}", BitConverter.ToString(data)); EnqueueFragment(data); length = 0; //} } } } }