Example #1
0
            public TmpControlConnection(TlsSettings tlsSettings,
                                        IPEndPoint remoteEndPoint, Socket socket, IDataHandler dataSender, IDataFilter receiveDataFilter)
            {
                this.tlsSettings    = tlsSettings;
                this.remoteEndPoint = remoteEndPoint;

                this.dataSender        = dataSender;
                this.receiveDataFilter = receiveDataFilter;
                //this.frameAndHeartbeatReceiveHandler = new FrameAndHeartbeatReceiverHandler(HandleCommand, HandleHeartbeat, null);
                this.frameProtocolReceiveHandler = new FrameProtocolReceiverHandler(HandleCommand, null);
            }
Example #2
0
        public Boolean TryConnectAndInitialize(TlsSettings tlsSettings, Buf sendBuffer, ServerInfo serverInfo /*, SelectTunnelsThread tunnelsThread*/)
        {
            if (Connected)
            {
                throw new InvalidOperationException(String.Format(
                                                        "You called Connect() on accessor '{0}' but its already connected", accessorHostString));
            }

            try
            {
                accessorSocket = NewSocketConnection(ref accessorHost);

                //
                // Send initial connection information
                //
                Boolean setupTls = tlsSettings.requireTlsForTmpConnections;

                Byte[] connectionInfoPacket = new Byte[] { Tmp.CreateConnectionInfoFromTmpServerToAccessor(
                                                               tlsSettings.requireTlsForTmpConnections, false) };
                accessorSocket.Send(connectionInfoPacket);

                //
                // Only receive packet if tls was not required
                //
                if (!tlsSettings.requireTlsForTmpConnections)
                {
                    int bytesRead = accessorSocket.Receive(connectionInfoPacket, 0, 1, SocketFlags.None);
                    if (bytesRead <= 0)
                    {
                        throw new SocketException();
                    }

                    setupTls = Tmp.ReadTlsRequirementFromAccessorToTmpServer(connectionInfoPacket[0]);
                }


                DataHandler accessorSendHandler = new SocketSendDataHandler(accessorSocket).HandleData;
                this.accessorReceiveHandler = new DataFilterHandler(new FrameProtocolFilter(),
                                                                    new TmpServerHandler(this, tlsSettings /*, tunnelsThread*/));

                //
                // Initiate a tls connection if required
                //
                if (setupTls)
                {
                    throw new NotImplementedException("Tls not yet implemented");
                }

                //
                // Send server info
                //
                UInt32 commandLength = Tmp.SerializeCommand(ServerInfo.Serializer, Tmp.ToAccessorServerInfoID, serverInfo, sendBuffer, 0);
                accessorSendHandler(sendBuffer.array, 0, commandLength);

                return(true);
            }
            catch (Exception)
            {
                this.accessorSocket         = null;
                this.accessorReceiveHandler = null;
                return(false);
            }
        }
Example #3
0
 //readonly SelectTunnelsThread tunnelsThread;
 public TmpServerHandler(AccessorConnection accessorConnection, TlsSettings tlsSettings /*, SelectTunnelsThread tunnelsThread*/)
 {
     this.accessorConnection = accessorConnection;
     this.tlsSettings        = tlsSettings;
     //this.tunnelsThread = tunnelsThread;
 }
Example #4
0
        static void Main(string[] args)
        {
            Options       options       = new Options();
            List <String> nonOptionArgs = options.Parse(args);

            if (nonOptionArgs.Count != 2)
            {
                options.ErrorAndUsage("Expected 2 non option argument but got none");
                return;
            }

            String serverName = nonOptionArgs[0];
            String accessorConnectorString = nonOptionArgs[1];

            TlsSettings tlsSettings;

            if (!options.authenticationFile.set)
            {
                tlsSettings = new TlsSettings(false);
            }
            else
            {
                throw new NotImplementedException("Authentication file not yet implemented");
            }

            /*
             * Run(tlsSettings, serverName, accessorConnector,
             *  options.heartbeatSeconds.ArgValue,
             *  options.reconnectWaitSeconds.ArgValue, options.receiveBufferLength.ArgValue);
             * }
             * public static void Run(TlsSettings tlsSettings, String serverName, String accessorConnectorString,
             * UInt16 heartbeatSeconds, UInt16 reconnectWaitSeconds, UInt32 receiveBufferLength)
             * {*/

            ServerInfo serverInfo = new ServerInfo(
                Encoding.ASCII.GetBytes(serverName),
                options.heartbeatSeconds.ArgValue,
                options.reconnectWaitSeconds.ArgValue);

            //SelectTunnelsThread tunnelsThread = new SelectTunnelsThread(receiveBufferLength);
            AccessorConnection accessorConnection = new AccessorConnection(accessorConnectorString);

            //TunnelControlServer tunnelServer = new TunnelControlServer(tunnelsThread, accessor);
            //NpcReflector npcReflector = new NpcReflector(
            //    new NpcExecutionObject(tunnelServer, "TunnelServer", null, null)
            //    );

            Int32 heartbeatMillis     = serverInfo.SecondsPerHeartbeat * 1000;
            Int32 reconnectWaitMillis = serverInfo.SecondsPerReconnect * 1000;

            Buf          safeBuffer   = new Buf(options.receiveBufferLength.ArgValue);
            SelectServer selectServer = new SelectServer(true, safeBuffer);

            accessorConnection.StartConnect(ref selectServer.control, safeBuffer);
            selectServer.Run();


            /*
             * //
             * // TmpHiddenServer Loop
             * //
             * Byte[] receiveBuffer = new Byte[receiveBufferLength];
             * Buf sendBuffer = new Buf(256, 256);
             * Int64 lastHearbeatTime = 0;
             * SingleObjectList singleAccessorSocket = new SingleObjectList();
             *
             * while (true)
             * {
             *  //
             *  // While the accessor is not connected
             *  //
             *  while (!accessorConnection.Connected)
             *  {
             *      Console.WriteLine("{0} [{1}] Attempting reconnect...", DateTime.Now, accessorConnection.accessorHostString);
             *      if (accessorConnection.TryConnectAndInitialize(tlsSettings, sendBuffer, serverInfo))
             *      {
             *          Console.WriteLine("{0} [{1}] Connected", DateTime.Now, accessorConnection.accessorHostString);
             *          lastHearbeatTime = Stopwatch.GetTimestamp();
             *      }
             *      else
             *      {
             *          Console.WriteLine("{0} [{1}] Failed to connect, waiting {2} seconds for reconnect",
             *              DateTime.Now, accessorConnection.accessorHostString, reconnectWaitMillis / 1000);
             *          Thread.Sleep(reconnectWaitMillis);
             *      }
             *  }
             *
             *  //
             *  // While the accessor is connected
             *  //
             *  while (accessorConnection.Connected)
             *  {
             *      //
             *      // Calculate the next heartbeat timeout
             *      //
             *      Int64 now = Stopwatch.GetTimestamp();
             *      Int32 nextHeartbeatTimeoutMillis = heartbeatMillis - StopwatchExtensions.StopwatchTicksAsInt32Milliseconds(now - lastHearbeatTime);
             *      if (nextHeartbeatTimeoutMillis <= 0)
             *      {
             *          Console.WriteLine("{0} [{1}] Sending hearbeat...", DateTime.Now, accessorConnection.accessorHostString);
             *
             *          accessorConnection.SendHeartbeat();
             *          if (!accessorConnection.Connected) break;
             *
             *          lastHearbeatTime = now;
             *          nextHeartbeatTimeoutMillis = heartbeatMillis;
             *      }
             *
             *      accessorConnection.ReceiveWithTimeout(receiveBuffer, nextHeartbeatTimeoutMillis);
             *  }
             * }
             */
        }