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; } }
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(); }
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; } }
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; } }
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; } }