Exemplo n.º 1
0
        public NetState(Socket socket, MessagePump messagePump)
        {
            m_Socket      = socket;
            m_Buffer      = new ByteQueue();
            m_Seeded      = false;
            m_Running     = false;
            m_RecvBuffer  = m_ReceiveBufferPool.AcquireBuffer();
            m_MessagePump = messagePump;
            m_Gumps       = new List <Gump>();
            m_HuePickers  = new List <HuePicker>();
            m_Menus       = new List <IMenu>();
            m_Trades      = new List <SecureTrade>();

            m_SendQueue = new SendQueue();

            m_NextCheckActivity = Core.TickCount + 30000;

            m_Instances.Add(this);

            try
            {
                m_Address  = Utility.Intern(((IPEndPoint)m_Socket.RemoteEndPoint).Address);
                m_ToString = m_Address.ToString();
            }
            catch (Exception ex)
            {
                TraceException(ex);
                m_Address  = IPAddress.None;
                m_ToString = "(error)";
            }

            m_ConnectedOn = DateTime.UtcNow;

            if (m_CreatedCallback != null)
            {
                m_CreatedCallback(this);
            }
        }
Exemplo n.º 2
0
        public virtual void Dispose(bool flush)
        {
            if (m_Socket == null || m_Disposing)
            {
                return;
            }

            m_Disposing = true;

            if (flush)
            {
                flush = Flush();
            }

            try
            {
                m_Socket.Shutdown(SocketShutdown.Both);
            }
            catch (SocketException ex)
            {
                TraceException(ex);
            }

            try
            {
                m_Socket.Close();
            }
            catch (SocketException ex)
            {
                TraceException(ex);
            }

            if (m_RecvBuffer != null)
            {
                lock (m_ReceiveBufferPool)
                    m_ReceiveBufferPool.ReleaseBuffer(m_RecvBuffer);
            }

            m_Socket = null;

            m_Buffer     = null;
            m_RecvBuffer = null;

#if NewAsyncSockets
            m_ReceiveEventArgs = null;
            m_SendEventArgs    = null;
#else
            m_OnReceive = null;
            m_OnSend    = null;
#endif

            m_Running = false;

            lock (m_Disposed)
                m_Disposed.Enqueue(this);

            lock (m_SendQueue)
                if (/*!flush &&*/ !m_SendQueue.IsEmpty)
                {
                    m_SendQueue.Clear();
                }
        }
Exemplo n.º 3
0
        public void HandleReceive(NetState ns)
        {
            ByteQueue buffer = ns.Buffer;

            if (buffer == null || buffer.Length <= 0)
            {
                return;
            }

            lock (buffer)
            {
                if (!ns.Seeded)
                {
                    if (!HandleSeed(ns, buffer))
                    {
                        return;
                    }
                }

                int length = buffer.Length;

                while (length > 0 && ns.Running)
                {
                    int packetID = buffer.GetPacketID();

                    if (CheckEncrypted(ns, packetID))
                    {
                        break;
                    }

                    PacketHandler handler = ns.GetHandler(packetID);

                    if (handler == null)
                    {
                        byte[] data = new byte[length];
                        length = buffer.Dequeue(data, 0, length);
                        new PacketReader(data, length, false).Trace(ns);
                        break;
                    }

                    int packetLength = handler.Length;

                    if (packetLength <= 0)
                    {
                        if (length >= 3)
                        {
                            packetLength = buffer.GetPacketLength();

                            if (packetLength < 3)
                            {
                                ns.Dispose();
                                break;
                            }
                        }
                        else
                        {
                            break;
                        }
                    }

                    if (length >= packetLength)
                    {
                        if (handler.Ingame)
                        {
                            if (ns.Mobile == null)
                            {
                                Console.WriteLine("Client: {0}: Sent ingame packet (0x{1:X2}) before having been attached to a mobile", ns, packetID);
                                ns.Dispose();
                                break;
                            }
                            else if (ns.Mobile.Deleted)
                            {
                                ns.Dispose();
                                break;
                            }
                        }

                        ThrottlePacketCallback throttler = handler.ThrottleCallback;

                        if (throttler != null && !throttler(ns))
                        {
                            m_Throttled.Enqueue(ns);
                            return;
                        }

                        PacketReceiveProfile prof = null;

                        if (Core.Profiling)
                        {
                            prof = PacketReceiveProfile.Acquire(packetID);
                        }

                        if (prof != null)
                        {
                            prof.Start();
                        }

                        byte[] packetBuffer;

                        if (BufferSize >= packetLength)
                        {
                            packetBuffer = m_Buffers.AcquireBuffer();
                        }
                        else
                        {
                            packetBuffer = new byte[packetLength];
                        }

                        packetLength = buffer.Dequeue(packetBuffer, 0, packetLength);

                        PacketReader r = new PacketReader(packetBuffer, packetLength, handler.Length != 0);

                        handler.OnReceive(ns, r);
                        length = buffer.Length;

                        if (BufferSize >= packetLength)
                        {
                            m_Buffers.ReleaseBuffer(packetBuffer);
                        }

                        if (prof != null)
                        {
                            prof.Finish(packetLength);
                        }
                    }
                    else
                    {
                        break;
                    }
                }
            }
        }