Esempio n. 1
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                BindSocket(false);

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = NetUtility.GetMacAddressBytes();

                var    boundEp  = m_socket.LocalEndPoint as NetEndPoint;
                byte[] epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[] combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                m_uniqueIdentifier = BitConverter.ToInt64(NetUtility.ComputeSHAHash(combined), 0);

                m_status = NetPeerStatus.Running;
            }
        }
Esempio n. 2
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                BindSocket(false);

                m_receiveBuffer = ArrayPool <byte> .Shared.Rent(m_configuration.ReceiveBufferSize);

                m_sendBuffer = ArrayPool <byte> .Shared.Rent(m_configuration.SendBufferSize);

                m_readHelperMessage = new NetIncomingMessage(NetIncomingMessageType.Error)
                {
                    m_buf = m_receiveBuffer
                };

                var macBytes = NetUtility.GetMacAddressBytes() ?? Array.Empty <byte>();

                var boundEp  = m_socket.LocalEndPoint as NetEndPoint;
                var hashCode = boundEp !.GetHashCode();
                var epBytes  = MemoryMarshal.AsBytes(MemoryMarshal.CreateReadOnlySpan(ref hashCode, 1));
                // ReSharper disable once SuggestVarOrType_Elsewhere
                Span <byte> combined = stackalloc byte[epBytes.Length + macBytes.Length];
                //Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                epBytes.CopyTo(combined.Slice(0, epBytes.Length));
                //Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                macBytes.CopyTo(combined.Slice(epBytes.Length, macBytes.Length));
                m_uniqueIdentifier = MemoryMarshal.Cast <byte, long>(NetUtility.ComputeSHAHash(combined, stackalloc byte[32]))[0];
        internal void Reset()
        {
            m_remoteRndSignature = null;
            m_remoteRndSeqNr     = 0;
            m_localRndSeqNr      = NetRandom.Instance.Next(0, NetConstants.NumSequenceNumbers - 1);
            m_futureClose        = double.MaxValue;

            m_throttleDebt = m_owner.m_config.m_throttleBytesPerSecond;             // slower start

            m_statistics = new NetConnectionStatistics(this);
            m_unsentMessages.Clear();
            m_status = NetConnectionStatus.Connecting;             // to prevent immediate removal on heartbeat thread

            ResetReliability();
            InitializeReliability();
            InitializeFragmentation();
            InitializeStringTable();
        }
Esempio n. 4
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                IPEndPoint iep = null;

                iep = new IPEndPoint(m_configuration.LocalAddress, m_configuration.Port);
                EndPoint ep = (EndPoint)iep;

                m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
                m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
                m_socket.SendBufferSize    = m_configuration.SendBufferSize;
                m_socket.Blocking          = false;
                m_socket.Bind(ep);

                try
                {
                    const uint IOC_IN            = 0x80000000;
                    const uint IOC_VENDOR        = 0x18000000;
                    uint       SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
                    m_socket.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
                }
                catch
                {
                    // ignore; SIO_UDP_CONNRESET not supported on this platform
                }

                IPEndPoint boundEp = m_socket.LocalEndPoint as IPEndPoint;
                LogDebug("Socket bound to " + boundEp + ": " + m_socket.IsBound);
                m_listenPort = boundEp.Port;

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = new byte[8];
                NetRandom.Instance.NextBytes(macBytes);

#if IS_MAC_AVAILABLE
                try
                {
                    System.Net.NetworkInformation.PhysicalAddress pa = NetUtility.GetMacAddress();
                    if (pa != null)
                    {
                        macBytes = pa.GetAddressBytes();
                        LogVerbose("Mac address is " + NetUtility.ToHexString(macBytes));
                    }
                    else
                    {
                        LogWarning("Failed to get Mac address");
                    }
                }
                catch (NotSupportedException)
                {
                    // not supported; lets just keep the random bytes set above
                }
#endif
                byte[] epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[] combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                m_uniqueIdentifier = BitConverter.ToInt64(SHA1.Create().ComputeHash(combined), 0);

                m_status = NetPeerStatus.Running;
            }
        }
Esempio n. 5
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                BindSocket(false);

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = new byte[8];
                MWCRandom.Instance.NextBytes(macBytes);

#if IS_MAC_AVAILABLE
                try
                {
                    System.Net.NetworkInformation.PhysicalAddress pa = NetUtility.GetMacAddress();
                    if (pa != null)
                    {
                        macBytes = pa.GetAddressBytes();
                        LogVerbose("Mac address is " + NetUtility.ToHexString(macBytes));
                    }
                    else
                    {
                        LogWarning("Failed to get Mac address");
                    }
                }
                catch (NotSupportedException)
                {
                    // not supported; lets just keep the random bytes set above
                }
#endif
                IPEndPoint boundEp  = m_socket.LocalEndPoint as IPEndPoint;
                byte[]     epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[]     combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                m_uniqueIdentifier = BitConverter.ToInt64(NetUtility.CreateSHA1Hash(combined), 0);

                m_status = NetPeerStatus.Running;
            }
        }
Esempio n. 6
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                IPEndPoint iep = null;

                iep = new IPEndPoint(m_configuration.LocalAddress, m_configuration.Port);
                EndPoint ep = (EndPoint)iep;

                m_socket = new PlatformSocket();
                m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
                m_socket.SendBufferSize    = m_configuration.SendBufferSize;
                m_socket.Blocking          = false;
                m_socket.Bind(ep);
                m_socket.Setup();

                IPEndPoint boundEp = m_socket.LocalEndPoint as IPEndPoint;
                LogDebug("Socket bound to " + boundEp + ": " + m_socket.IsBound);
                m_listenPort = boundEp.Port;

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = new byte[8];
                NetRandom.Instance.NextBytes(macBytes);

#if IS_FULL_NET_AVAILABLE
                try
                {
                    System.Net.NetworkInformation.PhysicalAddress pa = NetUtility.GetMacAddress();
                    if (pa != null)
                    {
                        macBytes = pa.GetAddressBytes();
                        LogVerbose("Mac address is " + NetUtility.ToHexString(macBytes));
                    }
                    else
                    {
                        LogWarning("Failed to get Mac address");
                    }
                }
                catch (NotSupportedException)
                {
                    // not supported; lets just keep the random bytes set above
                }
#endif
                byte[] epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[] combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
#if WINDOWS_PHONE
                SHA1 s = new SHA1Managed();
                m_uniqueIdentifier = BitConverter.ToInt64(s.ComputeHash(combined), 0);
#else
                m_uniqueIdentifier = BitConverter.ToInt64(SHA1.Create().ComputeHash(combined), 0);
#endif

                m_status = NetPeerStatus.Running;
            }
        }
        public void ExecutePeerShutdown()
        {
            Console.WriteLine("Network shutdown enter");
            // disconnect and make one final heartbeat
            var list = new List <NetConnection>(_handshakeManager.Handshakes.Count + m_connections.Count);

            lock (m_connections)
            {
                foreach (var conn in m_connections)
                {
                    if (conn != null)
                    {
                        list.Add(conn);
                    }
                }
            }

            foreach (var hs in _handshakeManager.Handshakes.Values)
            {
                if (hs != null && list.Contains(hs) == false)
                {
                    list.Add(hs);
                }
            }


            // shut down connections
            foreach (NetConnection conn in list)
            {
                conn.Shutdown(m_shutdownReason);
            }

            FlushDelayedPackets();

            // one final heartbeat, will send stuff and do disconnect
            PeerUpdate();

            NetUtility.Sleep(10);

            lock (m_initializeLock)
            {
                try
                {
                    if (m_socket != null)
                    {
                        try
                        {
                            // shutdown socket send and recieve handlers.
                            m_socket.Shutdown(SocketShutdown.Both);
                        }
                        catch (Exception e)
                        {
                            LogDebug(e.ToString());
                        }
                        finally
                        {
                            // close connection, if present
                            m_socket.Close(2);
                        }
                    }
                }
                catch (Exception ex)
                {
                    LogDebug("socket shutdown method exception: " + ex.ToString());
                    throw;
                }
                finally
                {
                    NetPeerManager.RemovePeer(this);
                    // wake up any threads waiting for server shutdown
                    m_messageReceivedEvent?.Set();

                    m_lastSocketBind = float.MinValue;
                    m_receiveBuffer  = null;
                    m_sendBuffer     = null;
                    m_unsentUnconnectedMessages?.Clear();
                    m_connections?.Clear();
                    m_connectionLookup?.Clear();
                    _handshakeManager.Handshakes?.Clear();
                    _handshakeManager = null;

                    m_status = NetPeerStatus.NotRunning;
                    LogDebug("Shutdown complete");
                    Console.WriteLine("Shutdown network peer properly");
                }
            }

            return;
        }
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                IPEndPoint iep = null;

                iep = new IPEndPoint(m_configuration.LocalAddress, m_configuration.Port);
                EndPoint ep = (EndPoint)iep;

                m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
                m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
                m_socket.SendBufferSize    = m_configuration.SendBufferSize;
                m_socket.Blocking          = false;
                m_socket.Bind(ep);

                IPEndPoint boundEp = m_socket.LocalEndPoint as IPEndPoint;
                LogDebug("Socket bound to " + boundEp + ": " + m_socket.IsBound);
                m_listenPort = boundEp.Port;

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = new byte[8];
                NetRandom.Instance.NextBytes(macBytes);

#if IS_MAC_AVAILABLE
                System.Net.NetworkInformation.PhysicalAddress pa = NetUtility.GetMacAddress();
                if (pa != null)
                {
                    macBytes = pa.GetAddressBytes();
                    LogVerbose("Mac address is " + NetUtility.ToHexString(macBytes));
                }
                else
                {
                    LogWarning("Failed to get Mac address");
                }
#endif
                byte[] epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[] combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                m_uniqueIdentifier = BitConverter.ToInt64(SHA1.Create().ComputeHash(combined), 0);

                m_status = NetPeerStatus.Running;
            }
        }