Beispiel #1
0
        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;

                    if (_fragPackets.Size > 0)
                        packetType = _fragPackets.GetPacketID();
                    else
                        packetType = _readingBufferQueue.GetPacketID();

                    /*using(StreamWriter sw = new StreamWriter(String.Format("recv_packets{0}.log", _userName), true))
                    {
                        byte[] enums = (byte[])Enum.GetValues(typeof (PacketType));
                        int i = Array.BinarySearch(enums, 0, enums.Length, packetType);

                        if(i != -1)
                            sw.WriteLine("{0} - Received packet {1}", DateTime.Now, ((PacketType)packetType));
                        else
                            sw.WriteLine("{0} - Received packet {1}", DateTime.Now, packetType);
                    }*/

                    //result = HandlePacket(packetType, length);

                    ClientPacketHandler handler = PacketHandlers.GetHandler((PacketType)packetType);

                    if (handler == null)
                    {
                        using (StreamWriter sw = new StreamWriter(String.Format("unhandled_packets_{0}.log", _userName), true))
                        {
                            byte[] unhandled = GetBufferToBeRead(length);

                            sw.WriteLine("{0} - PacketType: {1}", DateTime.Now, unhandled[0]);
                            sw.WriteLine(BitConverter.ToString(unhandled));
                        }

                        length = 0;
                    }
                    else if (handler.Length == 0)
                    {
                        byte[] data = GetBufferToBeRead(length);
                        /*using (StreamWriter sw = new StreamWriter(String.Format("recv_packets{0}.log", _userName), true))
                        {*/
                            if (length >= handler.MinimumLength)
                            {
                                PacketReader reader = new PacketReader(data, length);

                                handler.OnReceive(this, reader);
                                
                                // If we failed it's because the packet isn't complete
                                if (reader.Failed)
                                {
                                    //sw.WriteLine("Failed Fragmented: {0}", BitConverter.ToString(data));
                                    EnqueueFragment(data);
                                    length = 0;
                                }
                                else
                                {
                                    //sw.WriteLine("Variable length: {0}", BitConverter.ToString(data, 0, reader.Index));
                                    _readingBufferQueue.Enqueue(data, reader.Index, data.Length - reader.Index);
                                    length = _readingBufferQueue.Length;
                                }
                            }
                            else
                            {
                                //sw.WriteLine("Fragmented variable: {0}", BitConverter.ToString(data));
                                // Not enough data
                                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;
                        //}
                    }
                }
            }
        }
Beispiel #2
0
        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;

                    if (_fragPackets.Size > 0)
                        packetType = _fragPackets.GetPacketID();
                    else
                        packetType = _readingBufferQueue.GetPacketID();

                    /*using(StreamWriter sw = new StreamWriter(String.Format("recv_packets{0}.log", _userName), true))
                    {
                        sw.WriteLine("{0} - Received packet {1}", DateTime.Now, ((PacketType)packetType));
                    }*/

                    bool result = false;
                    //result = HandlePacket(packetType, length);

                    ClientPacketHandler handler = PacketHandlers.GetHandler((PacketType)packetType);

                    if (handler == null)
                    {
                        using (StreamWriter sw = new StreamWriter(String.Format("unhandled_packets_{0}.log", _userName), true))
                        {
                            byte[] unhandled = GetBufferToBeRead(length);

                            sw.WriteLine("PacketType: {0}", unhandled[0]);
                            sw.WriteLine(BitConverter.ToString(unhandled));
                        }

                        length = 0;
                    }
                    else if (handler.Length == 0)
                    {
                        byte[] data = GetBufferToBeRead(length);

                        if (length >= handler.MinimumLength)
                        {
                            PacketReader reader = new PacketReader(data, length, StreamRole.Client);

                            handler.OnReceive(this, reader);

                            // If we failed it's because the packet isn't complete
                            if (reader.Failed)
                            {
                                EnqueueFragment(data);
                                length = 0;
                            }
                            else
                            {
                                _readingBufferQueue.Enqueue(data, reader.Index, data.Length - reader.Index);
                                length = _readingBufferQueue.Length;
                            }
                        }
                        else
                            EnqueueFragment(data); // Not enough data

                    }
                    else if (length >= handler.Length)
                    {
                        byte[] data = GetBufferToBeRead(handler.Length);

                        PacketReader reader = new PacketReader(data, handler.Length, StreamRole.Client);

                        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
                    {
                        byte[] data = GetBufferToBeRead(length);
                        EnqueueFragment(data);
                        length = 0;
                    }
                }
            }
        }