public bool SendDiscoveryResponse(byte[] data, NetEndPoint remoteEndPoint) { return(SendDiscoveryResponse(data, 0, data.Length, remoteEndPoint)); }
public bool Bind(int port, bool reuseAddress) { _udpSocketv4 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); _udpSocketv4.Blocking = false; _udpSocketv4.ReceiveBufferSize = NetConstants.SocketBufferSize; _udpSocketv4.SendBufferSize = NetConstants.SocketBufferSize; _udpSocketv4.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, NetConstants.SocketTTL); if (reuseAddress) { _udpSocketv4.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); } #if !NETCORE _udpSocketv4.DontFragment = true; #endif try { _udpSocketv4.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1); } catch (SocketException e) { NetUtils.DebugWriteError("Broadcast error: {0}", e.ToString()); } if (!BindSocket(_udpSocketv4, new IPEndPoint(IPAddress.Any, port))) { return(false); } _localEndPoint = new NetEndPoint((IPEndPoint)_udpSocketv4.LocalEndPoint); _running = true; _threadv4 = new Thread(ReceiveLogic); _threadv4.Name = "SocketThreadv4(" + port + ")"; _threadv4.IsBackground = true; _threadv4.Start(_udpSocketv4); //Check IPv6 support if (!IPv6Support) { return(true); } //Use one port for two sockets port = _localEndPoint.Port; _udpSocketv6 = new Socket(AddressFamily.InterNetworkV6, SocketType.Dgram, ProtocolType.Udp); _udpSocketv6.Blocking = false; _udpSocketv6.ReceiveBufferSize = NetConstants.SocketBufferSize; _udpSocketv6.SendBufferSize = NetConstants.SocketBufferSize; if (reuseAddress) { _udpSocketv6.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); } if (BindSocket(_udpSocketv6, new IPEndPoint(IPAddress.IPv6Any, port))) { _localEndPoint = new NetEndPoint((IPEndPoint)_udpSocketv6.LocalEndPoint); try { _udpSocketv6.SetSocketOption( SocketOptionLevel.IPv6, SocketOptionName.AddMembership, new IPv6MulticastOption(MulticastAddressV6)); } catch (Exception) { // Unity3d throws exception - ignored } _threadv6 = new Thread(ReceiveLogic); _threadv6.Name = "SocketThreadv6(" + port + ")"; _threadv6.IsBackground = true; _threadv6.Start(_udpSocketv6); } return(true); }
/// <summary> /// Send message without connection /// </summary> /// <param name="writer">Data serializer</param> /// <param name="remoteEndPoint">Packet destination</param> /// <returns>Operation result</returns> public bool SendUnconnectedMessage(NetDataWriter writer, NetEndPoint remoteEndPoint) { return(SendUnconnectedMessage(writer.Data, 0, writer.Length, remoteEndPoint)); }
public bool SendDiscoveryResponse(NetDataWriter writer, NetEndPoint remoteEndPoint) { return(SendDiscoveryResponse(writer.Data, 0, writer.Length, remoteEndPoint)); }
/// <summary> /// Send message without connection /// </summary> /// <param name="message">Raw data</param> /// <param name="remoteEndPoint">Packet destination</param> /// <returns>Operation result</returns> public bool SendUnconnectedMessage(byte[] message, NetEndPoint remoteEndPoint) { return(SendUnconnectedMessage(message, 0, message.Length, remoteEndPoint)); }
private void DataReceived(byte[] reusableBuffer, int count, NetEndPoint remoteEndPoint) { #if STATS_ENABLED PacketsReceived++; BytesReceived += (uint)count; #endif //Try read packet NetPacket packet = _netPacketPool.GetAndRead(reusableBuffer, 0, count); if (packet == null) { NetUtils.DebugWriteError("[NM] DataReceived: bad!"); return; } //Check unconnected switch (packet.Property) { case PacketProperty.DiscoveryRequest: if (DiscoveryEnabled) { var netEvent = CreateEvent(NetEventType.DiscoveryRequest); netEvent.RemoteEndPoint = remoteEndPoint; netEvent.DataReader.SetSource(packet.RawData, NetConstants.HeaderSize); EnqueueEvent(netEvent); } return; case PacketProperty.DiscoveryResponse: { var netEvent = CreateEvent(NetEventType.DiscoveryResponse); netEvent.RemoteEndPoint = remoteEndPoint; netEvent.DataReader.SetSource(packet.RawData, NetConstants.HeaderSize); EnqueueEvent(netEvent); } return; case PacketProperty.UnconnectedMessage: if (UnconnectedMessagesEnabled) { var netEvent = CreateEvent(NetEventType.ReceiveUnconnected); netEvent.RemoteEndPoint = remoteEndPoint; netEvent.DataReader.SetSource(packet.RawData, NetConstants.HeaderSize); EnqueueEvent(netEvent); } return; case PacketProperty.NatIntroduction: case PacketProperty.NatIntroductionRequest: case PacketProperty.NatPunchMessage: { if (NatPunchEnabled) { NatPunchModule.ProcessMessage(remoteEndPoint, packet); } return; } } //Check normal packets NetPeer netPeer; //Check peers Monitor.Enter(_peers); int peersCount = _peers.Count; if (_peers.TryGetValue(remoteEndPoint, out netPeer)) { Monitor.Exit(_peers); //Send if (packet.Property == PacketProperty.Disconnect) { if (BitConverter.ToInt64(packet.RawData, 1) != netPeer.ConnectId) { //Old or incorrect disconnect _netPacketPool.Recycle(packet); return; } var netEvent = CreateEvent(NetEventType.Disconnect); netEvent.Peer = netPeer; netEvent.DataReader.SetSource(packet.RawData, 5, packet.Size - 5); netEvent.DisconnectReason = DisconnectReason.RemoteConnectionClose; EnqueueEvent(netEvent); _peers.Remove(netPeer.EndPoint); //do not recycle because no sense) } else if (packet.Property == PacketProperty.ConnectAccept) { if (netPeer.ProcessConnectAccept(packet)) { var connectEvent = CreateEvent(NetEventType.Connect); connectEvent.Peer = netPeer; EnqueueEvent(connectEvent); } _netPacketPool.Recycle(packet); } else { netPeer.ProcessPacket(packet); } return; } try { if (peersCount < _maxConnections && packet.Property == PacketProperty.ConnectRequest) { int protoId = BitConverter.ToInt32(packet.RawData, 1); if (protoId != NetConstants.ProtocolId) { NetUtils.DebugWrite(ConsoleColor.Cyan, "[NM] Peer connect reject. Invalid protocol ID: " + protoId); return; } string peerKey = Encoding.UTF8.GetString(packet.RawData, 13, packet.Size - 13); if (peerKey != _connectKey) { NetUtils.DebugWrite(ConsoleColor.Cyan, "[NM] Peer connect reject. Invalid key: " + peerKey); return; } //Getting new id for peer long connectionId = BitConverter.ToInt64(packet.RawData, 5); //response with id netPeer = new NetPeer(this, remoteEndPoint, connectionId); NetUtils.DebugWrite(ConsoleColor.Cyan, "[NM] Received peer connect request Id: {0}, EP: {1}", netPeer.ConnectId, remoteEndPoint); //clean incoming packet _netPacketPool.Recycle(packet); _peers.Add(remoteEndPoint, netPeer); var netEvent = CreateEvent(NetEventType.Connect); netEvent.Peer = netPeer; EnqueueEvent(netEvent); } } finally { Monitor.Exit(_peers); } }
public bool ContainsAddress(NetEndPoint endPoint) { return(_peersDict.ContainsKey(endPoint)); }
public void Add(NetEndPoint endPoint, NetPeer peer) { _peersArray[_count] = peer; _peersDict.Add(endPoint, peer); _count++; }
public bool TryGetValue(NetEndPoint endPoint, out NetPeer peer) { return(_peersDict.TryGetValue(endPoint, out peer)); }