Exemplo n.º 1
0
        static void Main(string[] args)
        {
            using (WSRouter router = new WSRouter())
                using (WSPublisher publisher = new WSPublisher())
                {
                    router.Bind("ws://localhost:80");
                    publisher.Bind("ws://localhost:81");

                    router.ReceiveReady += (sender, eventArgs) =>
                    {
                        byte[] identity = router.ReceiveFrameBytes();
                        string message  = router.ReceiveFrameString();

                        router.SendMoreFrame(identity);
                        router.SendFrame("OK");

                        publisher.SendMoreFrame("chat");
                        publisher.SendFrame(message);
                    };

                    NetMQPoller poller = new NetMQPoller();
                    poller.Add(router);

                    // we must add the publisher to the poller although we are not registering to any event.
                    // The internal stream socket handle connections and subscriptions and use the events internally
                    poller.Add(publisher);
                    poller.Run();
                }
        }
Exemplo n.º 2
0
        public static void Run()
        {
            using (var publisherSocket = new XPublisherSocket())
            {
                publisherSocket.SetWelcomeMessage("WM");
                publisherSocket.Bind("tcp://*:6669");

                // we just drop subscriptions
                publisherSocket.ReceiveReady += (sender, eventArgs) => publisherSocket.SkipMultipartMessage();

                var poller = new NetMQPoller {
                    publisherSocket
                };

                // send a message every second
                var sendMessageTimer = new NetMQTimer(1000);
                poller.Add(sendMessageTimer);
                sendMessageTimer.Elapsed +=
                    (sender, eventArgs) =>
                    publisherSocket.SendMoreFrame("A").SendFrame(new Random().Next().ToString());

                // send heartbeat every two seconds
                var heartbeatTimer = new NetMQTimer(2000);
                poller.Add(heartbeatTimer);
                heartbeatTimer.Elapsed += (sender, eventArgs) => publisherSocket.SendFrame("HB");

                poller.Stop();
            }
        }
Exemplo n.º 3
0
        private void Run(PairSocket shim)
        {
            m_shim             = shim;
            shim.ReceiveReady += OnShimMessage;

            m_timeoutTimer          = new NetMQTimer(TimeOut);
            m_timeoutTimer.Elapsed += OnTimeoutTimer;

            m_reconnectTimer          = new NetMQTimer(ReconnectTimer);
            m_reconnectTimer.Elapsed += OnReconnectTimer;

            m_poller = new NetMQPoller {
                shim
            };
            m_poller.Add(m_timeoutTimer);
            m_poller.Add(m_reconnectTimer);

            shim.SignalOK();

            Connect();

            m_poller.Run();

            if (m_subscriber != null)
            {
                m_subscriber.Dispose();
            }
        }
Exemplo n.º 4
0
        public void SendWrongMDPVersionFromBrokerNoLoggingShouldThrowApplicationException()
        {
            const string hostAddress = "tcp://localhost:5555";

            // setup the counter socket for communication
            using (var broker = new RouterSocket())
                using (var poller = new NetMQPoller())
                    using (var session = new MDPClientAsync(hostAddress))
                    {
                        broker.Bind(hostAddress);
                        // we need to pick up any message in order to avoid errors
                        broker.ReceiveReady += (s, e) =>
                        {
                            // return empty reply
                            var msg = e.Socket.ReceiveMultipartMessage();
                            // we expect to receive a 4 Frame message
                            // [REQ ADR][EMPTY]["MDPC01"]["echo"]["REQUEST"]
                            if (msg.FrameCount != 5)
                            {
                                Assert.Fail("Message with wrong count of frames {0}", msg.FrameCount);
                            }
                            // REQUEST socket will strip the his address + empty frame
                            // ROUTER has to add the address prelude in order to identify the correct socket(!)
                            // [REQ ADR][EMPTY]["MDPC00"]["echo"]["REQUEST"]
                            var clientAddress = msg.Pop();
                            msg.Pop();               // forget empty frame
                            msg.Pop();               // drop the MDP Version Frame
                            msg.Push("MDPC00");      // insert wrong MDP version
                            msg.Push(NetMQFrame.Empty);
                            msg.Push(clientAddress); // reinsert the client's address

                            e.Socket.SendMultipartMessage(msg);
                        };

                        int timeOutInMillis = 10000;
                        var timer           = new NetMQTimer(timeOutInMillis); // Used so it doesn't block if something goes wrong!
                        timer.Elapsed += (s, e) =>
                        {
                            Assert.Fail($"Waited {timeOutInMillis} and had no response from broker");
                            poller.Stop();
                        };

                        poller.Add(broker);
                        poller.Add(timer);

                        session.ReplyReady += (s, e) =>
                        {
                            Assert.True(e.HasError());
                            Assert.That(e.Exception.Message, Is.StringContaining("MDP Version mismatch"));
                            poller.Stop(); // To unlock the Task.Wait()
                        };

                        var task = Task.Factory.StartNew(() => poller.Run());

                        var requestMessage = new NetMQMessage(new[] { new NetMQFrame("REQUEST") });
                        session.Send("echo", requestMessage);

                        task.Wait();
                    }
        }
        public void Run(PairSocket shim)
        {
            shim.SignalOK();

            shim.ReceiveReady += OnShimReady;

            m_messagesPipe = new PairSocket();
            m_messagesPipe.Connect(string.Format("inproc://wsrouter-{0}", m_id));
            m_messagesPipe.ReceiveReady += OnMessagePipeReady;

            m_stream = new StreamSocket();
            m_stream.ReceiveReady += OnStreamReady;

            m_poller = new NetMQPoller();
            m_poller.Add(m_messagesPipe);
            m_poller.Add(shim);
            m_poller.Add(m_stream);

            m_messagesPipe.SignalOK();

            m_poller.Run();

            m_messagesPipe.Dispose();
            m_stream.Dispose();
        }
Exemplo n.º 6
0
        private void StartStationNetMQ()
        {
            try
            {
                _subscriber = new SubscriberSocket();
                _subscriber.ReceiveReady += _subscriber_ReceiveReady;
                //_fileSubscriber = new SubscriberSocket();
                _requester = new RequestSocket();
                _poller    = new NetMQPoller();

                IsLocalClient = CheckIsLocalIP(this.Options.ServerAddress);

                _subscriber.Connect(string.Format("tcp://{0}:{1}", this.Options.ServerAddress, this.Options.MsgPubPort));
                _subscriber.SubscribeToAnyTopic();
                _requester.Connect(string.Format("tcp://{0}:{1}", this.Options.ServerAddress, this.Options.MsgResPort));
                //_fileSubscriber.Connect(string.Format("tcp://{0}:{1}", this.Options.ServerAddress, this.Options.FilePubPort));
                //_fileSubscriber.SubscribeToAnyTopic();

                logger.InfoFormat("peripheral client netmq info: IP-{0},msg pub port:{1},msg res port:{2}", this.Options.ServerAddress, this.Options.MsgPubPort, this.Options.MsgResPort);

                // HockSocketEvents(true);

                //_poller.Add(_fileSubscriber);
                _poller.Add(_subscriber);
                _poller.Add(_requester);

                _poller.RunAsync();
                Console.WriteLine("[Progress]:[4] Sub Listening");

                // this.OnConnected();
            }
            catch (Exception ex)
            {
            }
        }
Exemplo n.º 7
0
        public void SendEmptyReplyFromBrokerWithLoggingShouldThrowApplicationException()
        {
            const string hostAddress     = "tcp://localhost:5555";
            var          loggingMessages = new List <string>();

            // setup the counter socket for communication
            using (var broker = new RouterSocket())
                using (var poller = new NetMQPoller())
                    using (var session = new MDPClientAsync(hostAddress))
                    {
                        broker.Bind(hostAddress);
                        // we need to pick up any message in order to avoid errors
                        broker.ReceiveReady += (s, e) =>
                        {
                            // return empty reply
                            var msg = e.Socket.ReceiveMultipartMessage();
                            // we expect to receive a 4 Frame message
                            // [REQ ADR][EMPTY]["MDPC01"]["echo"]["REQUEST"][requestId]
                            if (msg.FrameCount != 6)
                            {
                                Assert.Fail("Message with wrong count of frames {0}", msg.FrameCount);
                            }
                            // REQUEST socket will strip the his address + empty frame
                            // ROUTER has to add the address prelude in order to identify the correct socket(!)
                            // [REQ ADR][EMPTY]["MDPC01"]["echo"]["REQUEST"][requestId]

                            e.Socket.SendMultipartMessage(msg);
                        };

                        session.LogInfoReady += (s, e) => loggingMessages.Add(e.Info);
                        session.ReplyReady   += (s, e) =>
                        {
                            Assert.That(loggingMessages.Count, Is.EqualTo(3));
                            Assert.That(loggingMessages[0], Is.EqualTo("[CLIENT] connecting to broker at tcp://localhost:5555"));
                            Assert.That(loggingMessages[1].Contains("[CLIENT INFO] sending"), Is.True);
                            Assert.That(loggingMessages[2].Contains("[CLIENT INFO] received"), Is.True);

                            poller.Stop(); // To unlock the Task.Wait()
                        };

                        poller.Add(broker);
                        var task = Task.Factory.StartNew(() => poller.Run());
                        // well formed message
                        var requestMessage = new NetMQMessage(new[] { new NetMQFrame("REQUEST") });
                        // correct call
                        session.Send("echo", requestMessage);

                        int timeOutInMillis = 10000;
                        var timer           = new NetMQTimer(timeOutInMillis); // Used so it doesn't block if something goes wrong!
                        timer.Elapsed += (s, e) =>
                        {
                            Assert.Fail($"Waited {timeOutInMillis} and had no response from broker");
                            poller.Stop();
                        };

                        poller.Add(timer);
                        task.Wait();
                    }
        }
Exemplo n.º 8
0
        public LRUBroker(string frontConnectionString, string backendConnectionString)
        {
            _frontend = new RouterSocket(frontConnectionString);
            _backend  = new RouterSocket(backendConnectionString);

            _frontend.ReceiveReady += FrontendReceiveReady;
            _backend.ReceiveReady  += BackendReceiveReady;

            _poller.Add(_frontend);
            _poller.Add(_backend);
        }
Exemplo n.º 9
0
        public LRUBroker(string frontConnectionString, string backendConnectionString)
        {
            _frontend   = new RouterSocket(frontConnectionString);
            _backend    = new RouterSocket();
            BackendPort = _backend.BindRandomPort(backendConnectionString.TrimStart(new char[] { '@' }));

            _frontend.ReceiveReady += FrontendReceiveReady;
            _backend.ReceiveReady  += BackendReceiveReady;

            _poller.Add(_frontend);
            _poller.Add(_backend);
        }
Exemplo n.º 10
0
        public async Task SenderReceiver_WhenBoundAndConnected_PassesMessage()
        {
            // Arrange
            var    responseStr     = "Hello, World!";
            var    requestStr      = "Hello";
            var    receivedRequest = string.Empty;
            ushort port            = 6555;
            var    called          = false;

            mockRequestDispatcher
            .Setup(m => m.Handle(ref It.Ref <RequestTask> .IsAny))
            .Callback(new Handler((ref RequestTask task) => {
                called          = true;
                receivedRequest = (string)task.Request;
                task.ResponseSender(responseStr);
            }));

            var packageFactory  = new PackageFactory();
            var serializer      = new DotNetSerializer();
            var serializerCache = new SerializerCache();
            var messageFactory  = new NetMQMessageFactory(serializerCache, packageFactory);
            var sender          = new NetMQSender(new DealerSocket(), messageFactory);
            var receiver        = new NetMQReceiver(new RouterSocket(), messageFactory, requestDispatcher);
            var poller          = new NetMQPoller();

            serializerCache.AddSerializer(serializer);

            sender.AddAddress(TcpAddress.Localhost(port));
            sender.InitializeConnection();

            receiver.AddAddress(TcpAddress.Wildcard(port));
            receiver.InitializeConnection();

            poller.Add(sender.PollableSocket);
            poller.Add(receiver.PollableSocket);
            poller.RunAsync();

            var package = new DataPackage <string>(new GuidPackageId(), requestStr);

            // Act
            var response = await sender.SendAndReceive(package, TimeSpan.FromSeconds(5));

            // Cleanup
            poller.StopAsync();
            sender.TerminateConnection();
            receiver.TerminateConnection();

            // Assert
            Assert.That(called, Is.True);
            Assert.That(receivedRequest, Is.EqualTo(requestStr));
            Assert.That((string)response, Is.EqualTo(responseStr));
        }
        private void StartQueryMQ()
        {
            //request
            string ipAddress = System.Configuration.ConfigurationManager.AppSettings["AlyServerAddress"];
            string queryPort = System.Configuration.ConfigurationManager.AppSettings["AlyServerQueryPort"];

            //pub
            string[] selfParams = selfPubZmqParams.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
            string   pubAddress = string.Format("tcp://{0}:{1}", selfParams[5], selfParams[1]);
            string   resAddress = string.Format("tcp://{0}:{1}", selfParams[5], selfParams[3]);


            if (!string.IsNullOrEmpty(ipAddress) &&
                !string.IsNullOrEmpty(queryPort)
                )
            {
                string address = string.Format("tcp://{0}:{1}", ipAddress, queryPort);
                try
                {
                    if (_resSocket == null)
                    {
                        _resSocket = new ResponseSocket();

                        _resSocket.ReceiveReady += _resSocket_ReceiveReady;
                        _resSocket.SendReady    += _resSocket_SendReady;
                        _resSocket.Bind(address);
                    }


                    if (_publisher == null)
                    {
                        _publisher = new PublisherSocket();
                        _publisher.Bind(pubAddress);
                        _publisher.SendReady += _publisher_SendReady;
                    }

                    if (_resPoller == null)
                    {
                        _resPoller = new NetMQPoller();
                        _resPoller.Add(_resSocket);
                        _resPoller.Add(_publisher);
                        _resPoller.RunAsync();
                        Console.WriteLine("[Progress]:[1]Pub Response Listening");
                    }
                }
                catch (Exception ex)
                {
                    throw ex;
                }
            }
        }
Exemplo n.º 12
0
            public void Run(PairSocket shim)
            {
                _poller = new NetMQPoller();

                _ = Observable.FromEventPattern <NetMQSocketEventArgs>(e => shim.ReceiveReady += e, e => shim.ReceiveReady -= e)
                    .Select(e => e.EventArgs)
                    .Subscribe(OnShimReady);

                _poller.Add(shim);

                // Timer
                var timeoutTimer = new NetMQTimer(TimeSpan.FromSeconds(5));

                _ = Observable.FromEventPattern <NetMQTimerEventArgs>(e => timeoutTimer.Elapsed += e, e => timeoutTimer.Elapsed -= e)
                    .Select(e => e.EventArgs)
                    .ObserveOn(ThreadPoolScheduler.Instance)
                    .Subscribe(OnTimeoutElapsed);
                _poller.Add(timeoutTimer);

                _subscriberSocket = new SubscriberSocket();
                _subscriberSocket.Options.Linger = TimeSpan.Zero;
                _subscriberSocket.Subscribe(CoreHearbeatTopic);
                _subscriberSocket.Connect($"tcp://{_address}:{_port + 1}");
                _subject.OnNext(ConnectionStatus.Connecting);

                _ = Observable.FromEventPattern <NetMQSocketEventArgs>(e => _subscriberSocket.ReceiveReady += e, e => _subscriberSocket.ReceiveReady -= e)
                    .Select(e => e.EventArgs)
                    .Where(e => e.Socket.ReceiveFrameString() == CoreHearbeatTopic)
                    .ObserveOn(ThreadPoolScheduler.Instance)
                    .Subscribe(e =>
                {
                    timeoutTimer.Reset();
                    Thread.MemoryBarrier();
                    var status = _borgConnected
                            ? (ConnectionStatus.Online | ConnectionStatus.Connected)
                            : (ConnectionStatus.Online | ConnectionStatus.Disconnected);
                    _subject.OnNext(status);
                });

                _poller.Add(_subscriberSocket);
                timeoutTimer.Reset();
                shim.SignalOK();

                _poller.Run();

                // Cleanup stuff after stopping
                _poller.Remove(_subscriberSocket);
                _poller.Remove(timeoutTimer);
                _poller.Remove(shim);
                _poller.Dispose();
            }
Exemplo n.º 13
0
 public async Task Start()
 {
     _nodeSocket = new PushSocket(_localConnectionString);
     _poller.Add(_nodeSocket);
     _poller.RunAsync();
     _active = true;
     foreach (var connStr in _peerConnectionStrings)
     {
         PullSocket peer = new PullSocket(connStr);
         peer.ReceiveReady += Peer_ReceiveReady;
         _poller.Add(peer);
         _peerSockets.Add(peer);
     }
 }
Exemplo n.º 14
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        /// <summary>
        ///     connects to the broker, if a socket already exists it will be disposed and
        ///     a new socket created and connected (Linger is set to 1)
        ///     The Client connects to broker using a DEALER socket
        /// </summary>
        private void Connect()
        {
            if (!ReferenceEquals(m_client, null))
            {
                DisposeClient();
            }

            m_client = new DealerSocket();
            // sets a low linger to avoid port exhaustion, messages can be lost since it'll be sent again
            m_client.Options.Linger = m_lingerTime;

            if (m_identity != null)
            {
                m_client.Options.Identity = m_identity;
            }

            // set timeout timer to reconnect if no message is received during timeout
            m_lastReceivedRequest = DateTime.UtcNow;
            m_timer.EnableAndReset();

            // attach the event handler for incoming messages
            m_client.ReceiveReady += OnReceiveReady;
            m_client.SendReady    += OnSendReady;
            m_poller.Add(m_client);

            RotateBroker();
            m_client.Connect(Address);

            m_connected = true;

            Log($"[CLIENT]: {m_client.Options.Identity} connecting to broker at {Address}");
        }
Exemplo n.º 15
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            public (bool success, Exception ex) Setup()
            {
                Exception exception = null;

                try
                {
                    _socketDelegate = async(s, arg) => await HandleAsync();

                    _socket.ReceiveReady += _socketDelegate;

                    // todo use actual topics instead of catchall
                    string catchAllTopic = "";
                    _socket.Bind(_configuration.Address());
                    _socket.Subscribe(catchAllTopic);
                    _configuration.Logger.Log(new DebugLogMsg($"subscribed to [{typeof(TMessage)}]"));
                    _poller.Add(_socket);
                    _poller.RunAsync();

                    return(true, null);
                }
                catch (NetMQ.EndpointNotFoundException ntfnd)
                {
                    _configuration.Logger.Log(new ErrorLogMsg(ntfnd.Message));
                    exception = ntfnd;
                    return(false, exception);
                }
            }
Exemplo n.º 16
0
        static void Main(string[] args)
        {
            using (var router = new WSRouter())
            {
                using (var publisher = new WSPublisher())
                {
                    router.Bind("ws://localhost:80");
                    publisher.Bind("ws://localhost:81");

                    router.ReceiveReady += (sender, eventArgs) =>
                    {
                        var identity = eventArgs.WSSocket.ReceiveFrameBytes();

                        using (var datasendercontext = new DataSenderContext())
                        {
                            datasendercontext.Start(eventArgs, publisher, new Identity()
                            {
                                Receiver = identity
                            });
                        }
                    };

                    var poller = new NetMQPoller();
                    poller.Add(router);
                    poller.Run();
                }
            }
        }
Exemplo n.º 17
0
    // Start is called before the first frame update
    public void Start()
    {
        SetDefaultListenerPosition();
        string[] args = System.Environment.GetCommandLineArgs();
        for (int i = 0; i < args.Length; i++)
        {
            Debug.Log("ARG " + i + ": " + args[i]);
            if (args[i].Contains("ignitebot"))
            {
                isIgniteBotEmbedded = true;
                break;
            }
        }
        playerObject = GameObject.Find("Player Listener");
        if (isIgniteBotEmbedded)
        {
            AsyncIO.ForceDotNet.Force();
            NetMQConfig.Cleanup();
            poller    = new NetMQPoller();
            subSocket = new SubscriberSocket();

            subSocket.ReceiveReady += OnReceiveReady;
            subSocket.Options.ReceiveHighWatermark = 10;
            subSocket.Connect(addr);
            subSocket.Subscribe("RawFrame");
            subSocket.Subscribe("CloseApp");
            subSocket.Subscribe("MatchEvent");

            poller.Add(subSocket);
            poller.RunAsync();
        }
    }
Exemplo n.º 18
0
        public void Receive_BrokerDisconnectedWithLogging_ShouldReturnRequest()
        {
            const string hostAddress     = "tcp://localhost:5555";
            var          loggingMessages = new List <string> ();

            // setup the counter socket for communication
            using (var broker = new RouterSocket())
                using (var poller = new NetMQPoller())
                    using (var session = new MDPWorker(hostAddress, "test"))
                    {
                        broker.Bind(hostAddress);
                        // we need to pick up any message in order to avoid errors but don't answer
                        broker.ReceiveReady += (s, e) => e.Socket.ReceiveMultipartMessage();

                        poller.Add(broker);
                        poller.RunAsync();

                        // speed up the test
                        session.HeartbeatDelay = TimeSpan.FromMilliseconds(250);
                        session.ReconnectDelay = TimeSpan.FromMilliseconds(250);
                        // set the event handler to receive the logging messages
                        session.LogInfoReady += (s, e) => loggingMessages.Add(e.Info);
                        // initialise the worker - broker protocol
                        session.Receive(null);

                        poller.Stop();

                        Assert.That(loggingMessages.Count(m => m.Contains("retrying")), Is.EqualTo(3));
                        // 3 times retrying and 1 time initial connecting
                        Assert.That(loggingMessages.Count(m => m.Contains("localhost")), Is.EqualTo(4));
                        Assert.That(loggingMessages.Last().Contains("abandoning"));
                    }
        }
Exemplo n.º 19
0
        private void Run(PairSocket shim)
        {
            using (m_publisherSocket = new XPublisherSocket(m_address))
            {
                m_publisherSocket.SetWelcomeMessage(WelcomeMessage);

                m_publisherSocket.ReceiveReady += DropPublisherSubscriptions;

                m_heartbeatTimer          = new NetMQTimer(HeartbeatInterval);
                m_heartbeatTimer.Elapsed += OnHeartbeatTimerElapsed;

                shim.ReceiveReady += OnShimMessage;

                // signal the actor that the shim is ready to work
                shim.SignalOK();

                m_poller = new NetMQPoller {
                    m_publisherSocket, shim
                };
                m_poller.Add(m_heartbeatTimer);

                // Polling until poller is cancelled
                m_poller.Run();
            }
        }
Exemplo n.º 20
0
        public void Send_WrongServiceNameWithLogging_ShouldLogPermanentError()
        {
            const string hostAddress     = "tcp://localhost:5555";
            var          loggingMessages = new List <string>();

            // setup the counter socket for communication
            using (var broker = new RouterSocket())
                using (var poller = new NetMQPoller())
                    using (var session = new MDPClient(hostAddress))
                    {
                        broker.Bind(hostAddress);
                        // we need to pick up any message in order to avoid errors
                        broker.ReceiveReady += (s, e) =>
                        {
                            // just swallow message -> wrong service name
                            e.Socket.ReceiveMultipartMessage();
                        };

                        poller.Add(broker);
                        poller.RunAsync();

                        // set the event handler to receive the logging messages
                        session.LogInfoReady += (s, e) => loggingMessages.Add(e.Info);
                        // well formed message
                        var requestMessage = new NetMQMessage(new[] { new NetMQFrame("REQUEST") });
                        // wrong service name
                        session.Send("xyz", requestMessage);

                        poller.Stop();

                        Assert.That(loggingMessages.Count, Is.EqualTo(7));
                        Assert.That(loggingMessages[6], Is.EqualTo("[CLIENT ERROR] permanent error, abandoning!"));
                    }
        }
Exemplo n.º 21
0
        private void StartQueryMQ()
        {
            this.Options = Options.LoadFromAppSettings();
            string serverAddress = System.Configuration.ConfigurationManager.AppSettings["AlyServerAddress"];
            string queryPort     = System.Configuration.ConfigurationManager.AppSettings["AlyServerQueryPort"];

            if (!string.IsNullOrEmpty(serverAddress) &&
                !string.IsNullOrEmpty(queryPort)
                )
            {
                string addressUrl = string.Format("tcp://{0}:{1}", serverAddress, queryPort);
                try
                {
                    if (null == _querySocket)
                    {
                        _querySocket = new RequestSocket();
                        _querySocket.ReceiveReady += _querySocket_ReceiveReady;
                        _querySocket.SendReady    += _querySocket_SendReady;
                    }

                    if (null == _queryPoller)
                    {
                        _queryPoller = new NetMQPoller();
                        _queryPoller.Add(_querySocket);
                        _querySocket.Connect(addressUrl);
                        _queryMsgList.Clear();
                        _queryPoller.RunAsync();
                        Console.WriteLine("[Progress]:[1] Request Listening");
                    }
                }
                catch (Exception ex)
                {
                }
            }
        }
Exemplo n.º 22
0
        /// <summary>
        /// Connect or re-connect to the broker.
        /// </summary>
        private void Connect()
        {
            // if the socket exists dispose it and re-create one
            if (!ReferenceEquals(m_worker, null))
            {
                DisposeWorker();
            }

            m_worker = new DealerSocket();
            // set identity if provided
            if (m_identity != null && m_identity.Length > 0)
            {
                m_worker.Options.Identity = m_identity;
            }

            m_timer.Interval = (int)HeartbeatDelay.TotalMilliseconds;
            m_timer.EnableAndReset();

            // hook up the received message processing method before the socket is connected
            m_worker.ReceiveReady += ProcessReceiveReady;
            m_poller.Add(m_worker);

            m_worker.Connect(m_brokerAddress);

            Log($"[WORKER] connected to broker at {m_brokerAddress}");

            // send READY to broker since worker is connected
            m_pollerQueue.Enqueue(() => Send(MDPCommand.Ready, m_serviceName, null));
            // reset liveliness to active broker
            m_liveliness = _heartbeat_liveliness;
            // set point in time for next heatbeat
            m_heartbeatAt = DateTime.UtcNow + HeartbeatDelay;
        }
Exemplo n.º 23
0
        public void Run(params string[] addresses)
        {
            var subscriber = Connect(addresses);

            if (subscriber == null)
            {
                throw new Exception("cannot connect to eny of the endpoints");
            }

            // timeout timer, when heartbeat was not arrived for 5 seconds
            m_timeoutTimer          = new NetMQTimer(TimeSpan.FromSeconds(5));
            m_timeoutTimer.Elapsed += (sender, args) =>
            {
                // timeout happend, first dispose existing subscriber
                subscriber.Dispose();
                m_poller.Remove(subscriber);

                // connect again
                subscriber = Connect(addresses);

                if (subscriber == null)
                {
                    throw new Exception("cannot connect to eny of the endpoints");
                }

                m_poller.Add(subscriber);
            };

            m_poller = new NetMQPoller {
                subscriber
            };
            m_poller.Add(m_timeoutTimer);

            m_poller.Run();
        }
Exemplo n.º 24
0
        /// <summary>
        ///     connects to the broker, if a socket already exists it will be disposed and
        ///     a new socket created and connected (Linger is set to 1)
        ///     The Client connects to broker using a DEALER socket
        /// </summary>
        private void Connect()
        {
            if (!ReferenceEquals(m_client, null))
            {
                m_poller.Remove(m_client);
                m_client.Dispose();
            }

            m_client = new DealerSocket();

            // sets a low linger to avoid port exhaustion, messages can be lost since it'll be sent again
            m_client.Options.Linger = m_lingerTime;

            if (m_identity != null)
            {
                m_client.Options.Identity = m_identity;
            }

            // set timeout timer to reconnect if no message is received during timeout
            m_timer.EnableAndReset();

            // attach the event handler for incoming messages
            m_client.ReceiveReady += OnProcessReceiveReady;
            m_poller.Add(m_client);

            // TODO Define HighWaterMark!?
            m_client.Connect(m_brokerAddress);

            m_connected = true;

            Log($"[CLIENT] connecting to broker at {m_brokerAddress}");
        }
Exemplo n.º 25
0
    private void Initialize()
    {
        running           = true;
        cancellationToken = cts.Token;

        processIncomingMessages = Task.Factory.StartNew(() =>
        {
            // instantiate poller and socket
            poller = new NetMQPoller();
            socket = new DealerSocket();
            socket.Options.Identity = Encoding.UTF8.GetBytes(clientID); // socket needs clientID for communication Dealer-Router
            socket.ReceiveReady    += OnMessage;                        // event on receive data

            StartSocket();

            poller.Add(socket);
            poller.RunAsync();

            while (running)
            {
                Thread.Sleep(delay);
                if (cancellationToken.IsCancellationRequested)
                {
                    Debug.Log("Cancelling task");
                    break;
                }
            }
        }, cancellationToken);
    }
Exemplo n.º 26
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        public void StartSending(int id)
        {
            client.Options.Identity = Encoding.Unicode.GetBytes(id.ToString());
            var message = string.Format("Id = {0}", id.ToString());
            var bytes   = Encoding.ASCII.GetBytes(message);


            using (var poller = new NetMQPoller())
            {
                poller.Add(client);
                poller.Add(messageQueue);
                poller.RunAsync();

                var messageToServer = new NetMQMessage();
                messageToServer.Append(message);
                messageQueue.Enqueue(messageToServer);
            }
        }
Exemplo n.º 27
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        public Server(App app)
        {
            _App = app;

            _poller         = new NetMQPoller();
            _responseSocket = new ResponseSocket();
            _responseSocket.ReceiveReady += OnReceiveReady;
            _poller.Add(_responseSocket);
        }
Exemplo n.º 28
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 /// <summary>
 /// Start node, after setting header values. When you start a node it
 /// begins discovery and connection.
 /// </summary>
 public void Start()
 {
     if (_useEvents)
     {
         _inboxPoller.Add(_inbox);
         Thread.Sleep(100);
     }
     _actor.SendMoreFrame("START").SendFrame(_interfaceName ?? "");
 }
Exemplo n.º 29
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        private static async Task CreatePushSocket()
        {
            var poller = new NetMQPoller();

            push = new PushSocket();
            push.BindRandomPort("tcp://127.0.0.1");
            NetMQMonitor monitor = new NetMQMonitor(push, "inproc://req.inproc", SocketEvents.All);

            monitor.Connected     += Monitor_Connected;
            monitor.EventReceived += Monitor_EventReceived;
            //monitor.AttachToPoller(poller);
            queue.ReceiveReady += Queue_ReceiveReady;;
            push.Connect(address);
            poller.Add(push);
            poller.Add(queue);
            poller.RunAsync();
            await monitor.StartAsync();
        }
Exemplo n.º 30
0
        public Task StartAsync(HostingApplication hostingApplication, CancellationToken cancellationToken)
        {
            _routerSocket = new RouterSocket();
            _routerSocket.Bind($"tcp://{_hostingOptions.Host}");
            _routerSocket.ReceiveReady += RouterSocket_ReceiveReady;
            _dealerSocket = new DealerSocket();
            _dealerSocket.Bind(INPROC_SERVER_URL);
            _dealerSocket.ReceiveReady += DealerSocket_ReceiveReady;

            _poller = new NetMQPoller {
                _routerSocket, _dealerSocket
            };
            _poller.RunAsync();
            _workerPoller = new NetMQPoller();
            async void OnReceiveReady(object sender, NetMQSocketEventArgs args)
            {
                NetMQMessage receiveMessage = args.Socket.ReceiveMultipartMessage();
                string       address        = receiveMessage.Pop().ConvertToString();
                string       content        = receiveMessage.Last().ConvertToString(Encoding.UTF8);
                OwinContext  owinContext    = null;
                long         startTimestamp = Stopwatch.GetTimestamp();

                _logger.LogInformation($"Request starting tcp://{_hostingOptions.Host} {content}");
                owinContext = hostingApplication.CreateContext(content);
                try
                {
                    await hostingApplication.ProcessRequestAsync(owinContext);
                }
                catch (Exception ex)
                {
                    owinContext.Response.Error(ex.Message);
                    throw;
                }
                finally
                {
                    string sendContent = _serializer.Serialize(owinContext.Response);
                    _logger.LogInformation($"Request finished in {new TimeSpan((long)(TimestampToTicks * (Stopwatch.GetTimestamp() - startTimestamp))).TotalMilliseconds}ms {sendContent}");
                    NetMQMessage sendMessage = new NetMQMessage();
                    sendMessage.Append(address);
                    sendMessage.AppendEmptyFrame();
                    sendMessage.Append(sendContent, Encoding.UTF8);
                    args.Socket.SendMultipartMessage(sendMessage);
                    hostingApplication.DisponseContext(owinContext);
                }
            }

            foreach (var item in Enumerable.Range(0, _hostingOptions.ProcessCount))
            {
                NetMQSocket process = new DealerSocket();
                process.Connect(INPROC_SERVER_URL);
                process.ReceiveReady += OnReceiveReady;
                _workerPoller.Add(process);
            }

            _workerPoller.RunAsync();
            return(Task.CompletedTask);
        }
Exemplo n.º 31
0
        void IShimHandler.Run(PairSocket shim)
        {
            Poller = new NetMQPoller();


            Shim = shim;
            Shim.ReceiveReady += OnShimReady;
            Poller.Add(Shim);

            Initialize();

            Shim.SignalOK();

            Poller.Run();

            Cleanup();
        }
Exemplo n.º 32
0
        public void RemoveTimer()
        {
            using (var router = new RouterSocket())
            using (var dealer = new DealerSocket())
            using (var poller = new NetMQPoller { router })
            {
                int port = router.BindRandomPort("tcp://127.0.0.1");

                dealer.Connect("tcp://127.0.0.1:" + port);

                bool timerTriggered = false;

                var timer = new NetMQTimer(TimeSpan.FromMilliseconds(100));
                timer.Elapsed += (s, a) => { timerTriggered = true; };

                // The timer will fire after 100ms
                poller.Add(timer);

                bool messageArrived = false;

                router.ReceiveReady += (s, e) =>
                {
                    router.SkipFrame();
                    router.SkipFrame();
                    messageArrived = true;
                    // Remove timer
                    poller.Remove(timer);
                };

                poller.RunAsync();

                Thread.Sleep(20);

                dealer.SendFrame("hello");

                Thread.Sleep(300);

                poller.Stop();

                Assert.IsTrue(messageArrived);
                Assert.IsFalse(timerTriggered);
            }
        }
		public void Router_Dealer_Demonstrating_Messages_From_Subscribers_To_Publisher()
		{
			// NOTES
			// 1. Use ThreadLocal<DealerSocket> where each thread has
			//    its own client DealerSocket to talk to server
			// 2. Each thread can send using it own socket
			// 3. Each thread socket is added to poller

			const int delay = 500; // millis

			var clientSocketPerThread = new ThreadLocal<DealerSocket>();

			using (var server = new RouterSocket("@tcp://127.0.0.1:5556"))
			{
				using (var poller = new NetMQPoller())
				{
					// Start some threads, each with its own DealerSocket
					// to talk to the server socket. Creates lots of sockets,
					// but no nasty race conditions no shared state, each
					// thread has its own socket, happy days.
					for (int i = 0; i < 4; i++)
					{
						Task.Factory.StartNew(state =>
						{
							DealerSocket client = null;

							if (!clientSocketPerThread.IsValueCreated)
							{
								client = new DealerSocket();
								client.Options.Identity =
									Encoding.Unicode.GetBytes(state.ToString());
								client.Connect("tcp://127.0.0.1:5556");
								client.ReceiveReady += Client_ReceiveReady;
								clientSocketPerThread.Value = client;
								poller.Add(client);
							}
							else
							{
								client = clientSocketPerThread.Value;
							}

							while (true)
							{
								NetMQMessage messageToServer = new NetMQMessage();
								messageToServer.AppendEmptyFrame();
								messageToServer.Append(state.ToString());
								Console.WriteLine("======================================");
								Console.WriteLine(" OUTGOING MESSAGE TO SERVER ");
								Console.WriteLine("======================================");
								PrintFrames("Client Sending", messageToServer);
								client.SendMultipartMessage(messageToServer);
								Thread.Sleep(delay);
							}

						},
							string.Format("client {0}", i),
							TaskCreationOptions.LongRunning);
					}

					// start the poller
					poller.RunAsync();

					// server loop
					for(int i=0;i<6;i++)
					{
						NetMQMessage clientMessage = server.ReceiveMessage();
						Console.WriteLine("======================================");
						Console.WriteLine(" INCOMING CLIENT MESSAGE FROM CLIENT ");
						Console.WriteLine("======================================");
						PrintFrames("Server receiving", clientMessage);
						if (clientMessage.FrameCount == 3)
						{
							var clientAddress = clientMessage[0];
							var clientOriginalMessage = clientMessage[2].ConvertToString();
							string response = string.Format("{0} back from server {1}",
								clientOriginalMessage,
								DateTime.Now.ToLongTimeString());
							var messageToClient = new NetMQMessage();
							messageToClient.Append(clientAddress);
							messageToClient.AppendEmptyFrame();
							messageToClient.Append(response);
							server.SendMultipartMessage(messageToClient);
						}
					}
				}
			}
		}
		public void Router_Dealer_Demonstrating_Messages_From_Publisher_To_Subscribers()
		{
			// NOTES
			// 1. Use ThreadLocal<DealerSocket> where each thread has
			//    its own client DealerSocket to talk to server
			// 2. Each thread can send using it own socket
			// 3. Each thread socket is added to poller

			const int delay = 500; // millis

			var clientSocketPerThread = new ThreadLocal<DealerSocket>();

			string endpoint;

			using (var server = new RouterSocket("@tcp://127.0.0.1:0")) // If we specify 0, it will choose a random port for us.
			{
				endpoint = server.Options.LastEndpoint; // Lets us know which port was chosen.
				Console.Write("Last endpoint, including port: {0}\n", server.Options.LastEndpoint);
				using (var poller = new NetMQPoller())
				{
					// Start some threads, each with its own DealerSocket
					// to talk to the server socket. Creates lots of sockets,
					// but no nasty race conditions no shared state, each
					// thread has its own socket, happy days.
					for (int i = 0; i < 4; i++)
					{
						Task.Factory.StartNew(state =>
						{
							DealerSocket client = null;

							if (!clientSocketPerThread.IsValueCreated)
							{
								client = new DealerSocket();
								client.Options.Identity =
									Encoding.Unicode.GetBytes(state.ToString());
								client.Connect(endpoint);
								//client.ReceiveReady += Client_ReceiveReady;
								clientSocketPerThread.Value = client;
								poller.Add(client);
							}
							else
							{
								client = clientSocketPerThread.Value;
							}

							Thread.Sleep(3000); // Wait until server is up.
							client.SendFrame("Ping");

							while (true)
							{
								Console.Write("Client {0}: Waiting for ping...\n", i);
								// Work around "feature" of router/dealer: the publisher does not know the subscriber exists, until it
								// sends at least one message which makes it necessary to open the connection. I believe this is a
								// low-level feature of the TCP/IP transport.

								var clientMessage = client.ReceiveMultipartMessage();
								Console.WriteLine("======================================");
								Console.WriteLine(" INCOMING CLIENT MESSAGE FROM SERVER");
								Console.WriteLine("======================================");
								PrintFrames("Server receiving", clientMessage);
							}

						},
							string.Format("client {0}", i),
							TaskCreationOptions.LongRunning);
					}

					// start the poller
					poller.RunAsync();

					// server loop
					int sequenceNo = 0;
					for (int i=0;i<10;i++)
					{
						NetMQMessage messageToServer = new NetMQMessage();
						messageToServer.AppendEmptyFrame();
						messageToServer.Append(sequenceNo.ToString());
						sequenceNo++;
						Console.WriteLine("======================================");
						Console.WriteLine(" OUTGOING MESSAGE {0} TO CLIENTS ", sequenceNo);
						Console.WriteLine("======================================");
						PrintFrames("Client Sending", messageToServer);
						server.SendMultipartMessage(messageToServer);
						Thread.Sleep(delay);						
					}

					Console.WriteLine("Finished.");
				}
			}
		}
Exemplo n.º 35
0
        public void AddTwoSocketAfterRemoving()
        {
            using (var router1 = new RouterSocket())
            using (var router2 = new RouterSocket())
            using (var router3 = new RouterSocket())
            using (var router4 = new RouterSocket())
            using (var dealer1 = new DealerSocket())
            using (var dealer2 = new DealerSocket())
            using (var dealer3 = new DealerSocket())
            using (var dealer4 = new DealerSocket())
            using (var poller = new NetMQPoller { router1, router2 })
            {
                int port1 = router1.BindRandomPort("tcp://127.0.0.1");
                int port2 = router2.BindRandomPort("tcp://127.0.0.1");
                int port3 = router3.BindRandomPort("tcp://127.0.0.1");
                int port4 = router4.BindRandomPort("tcp://127.0.0.1");

                dealer1.Connect("tcp://127.0.0.1:" + port1);
                dealer2.Connect("tcp://127.0.0.1:" + port2);
                dealer3.Connect("tcp://127.0.0.1:" + port3);
                dealer4.Connect("tcp://127.0.0.1:" + port4);

                int router1Arrived = 0;
                int router2Arrived = 0;
                bool router3Arrived = false;
                bool router4Arrived = false;

                var signal1 = new ManualResetEvent(false);
                var signal2 = new ManualResetEvent(false);
                var signal3 = new ManualResetEvent(false);
                var signal4 = new ManualResetEvent(false);

                router1.ReceiveReady += (s, e) =>
                {
                    router1Arrived++;
                    router1.SkipFrame(); // identity
                    router1.SkipFrame(); // message
                    poller.Remove(router1);
                    signal1.Set();
                };

                router2.ReceiveReady += (s, e) =>
                {
                    router2Arrived++;
                    router2.SkipFrame(); // identity
                    router2.SkipFrame(); // message

                    if (router2Arrived == 1)
                    {
                        poller.Add(router3);
                        poller.Add(router4);
                        signal2.Set();
                    }
                };

                router3.ReceiveReady += (s, e) =>
                {
                    router3.SkipFrame(); // identity
                    router3.SkipFrame(); // message
                    router3Arrived = true;
                    signal3.Set();
                };

                router4.ReceiveReady += (s, e) =>
                {
                    router4.SkipFrame(); // identity
                    router4.SkipFrame(); // message
                    router4Arrived = true;
                    signal4.Set();
                };

                poller.RunAsync();

                dealer1.SendFrame("1");
                Assert.IsTrue(signal1.WaitOne(300));
                dealer2.SendFrame("2");
                Assert.IsTrue(signal2.WaitOne(300));
                dealer3.SendFrame("3");
                dealer4.SendFrame("4");
                dealer2.SendFrame("2");
                dealer1.SendFrame("1");
                Assert.IsTrue(signal3.WaitOne(300));
                Assert.IsTrue(signal4.WaitOne(300));

                poller.Stop();

                router1.SkipFrame();
                bool more;
                Assert.AreEqual("1", router1.ReceiveFrameString(out more));
                Assert.IsFalse(more);

                Assert.AreEqual(1, router1Arrived);
                Assert.AreEqual(2, router2Arrived);
                Assert.IsTrue(router3Arrived);
                Assert.IsTrue(router4Arrived);
            }
        }
Exemplo n.º 36
0
        public void SimpleTimer()
        {
            // TODO it is not really clear what this test is actually testing -- maybe split it into a few smaller tests

            using (var router = new RouterSocket())
            using (var dealer = new DealerSocket())
            using (var poller = new NetMQPoller { router })
            {
                int port = router.BindRandomPort("tcp://127.0.0.1");

                dealer.Connect("tcp://127.0.0.1:" + port);

                bool messageArrived = false;

                router.ReceiveReady += (s, e) =>
                {
                    Assert.IsFalse(messageArrived);
                    router.SkipFrame();
                    router.SkipFrame();
                    messageArrived = true;
                };

                bool timerTriggered = false;

                int count = 0;

                const int timerIntervalMillis = 100;

                var timer = new NetMQTimer(TimeSpan.FromMilliseconds(timerIntervalMillis));
                timer.Elapsed += (s, a) =>
                {
                    // the timer should jump before the message
                    Assert.IsFalse(messageArrived);
                    timerTriggered = true;
                    timer.Enable = false;
                    count++;
                };
                poller.Add(timer);

                poller.RunAsync();

                Thread.Sleep(150);

                dealer.SendFrame("hello");

                Thread.Sleep(300);

                poller.Stop();

                Assert.IsTrue(messageArrived);
                Assert.IsTrue(timerTriggered);
                Assert.AreEqual(1, count);
            }
        }
Exemplo n.º 37
0
        public void AddSocketDuringWork()
        {
            using (var router1 = new RouterSocket())
            using (var router2 = new RouterSocket())
            using (var dealer1 = new DealerSocket())
            using (var dealer2 = new DealerSocket())
            using (var poller = new NetMQPoller { router1 })
            {
                int port1 = router1.BindRandomPort("tcp://127.0.0.1");
                int port2 = router2.BindRandomPort("tcp://127.0.0.1");

                dealer1.Connect("tcp://127.0.0.1:" + port1);
                dealer2.Connect("tcp://127.0.0.1:" + port2);

                bool router1Arrived = false;
                bool router2Arrived = false;

                var signal1 = new ManualResetEvent(false);
                var signal2 = new ManualResetEvent(false);

                router1.ReceiveReady += (s, e) =>
                {
                    router1.SkipFrame();
                    router1.SkipFrame();
                    router1Arrived = true;
                    poller.Add(router2);
                    signal1.Set();
                };

                router2.ReceiveReady += (s, e) =>
                {
                    router2.SkipFrame();
                    router2.SkipFrame();
                    router2Arrived = true;
                    signal2.Set();
                };

                poller.RunAsync();

                dealer1.SendFrame("1");
                Assert.IsTrue(signal1.WaitOne(300));

                dealer2.SendFrame("2");
                Assert.IsTrue(signal2.WaitOne(300));

                poller.Stop();

                Assert.IsTrue(router1Arrived);
                Assert.IsTrue(router2Arrived);
            }
        }
Exemplo n.º 38
0
        public void NativeSocket()
        {
            using (var streamServer = new StreamSocket())
            using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
            {
                int port = streamServer.BindRandomPort("tcp://*");

                socket.Connect("127.0.0.1", port);

                var buffer = new byte[] { 1 };
                socket.Send(buffer);

                byte[] identity = streamServer.ReceiveFrameBytes();
                byte[] message = streamServer.ReceiveFrameBytes();

                Assert.AreEqual(buffer[0], message[0]);

                var socketSignal = new ManualResetEvent(false);

                using (var poller = new NetMQPoller())
                {
                    poller.Add(socket, s =>
                    {
                        socket.Receive(buffer);

                        socketSignal.Set();

                        // removing the socket
                        poller.Remove(socket);
                    });

                    poller.RunAsync();

                    // no message is waiting for the socket so it should fail
                    Assert.IsFalse(socketSignal.WaitOne(100));

                    // sending a message back to the socket
                    streamServer.SendMoreFrame(identity).SendFrame("a");

                    Assert.IsTrue(socketSignal.WaitOne(100));

                    socketSignal.Reset();

                    // sending a message back to the socket
                    streamServer.SendMoreFrame(identity).SendFrame("a");

                    // we remove the native socket so it should fail
                    Assert.IsFalse(socketSignal.WaitOne(100));

                    poller.Stop();
                }
            }
        }
Exemplo n.º 39
0
        public void TestPollerDispose()
        {
            const int timerIntervalMillis = 10;

            var timer = new NetMQTimer(TimeSpan.FromMilliseconds(timerIntervalMillis));

            var signal = new ManualResetEvent(false);

            var count = 0;

            timer.Elapsed += (s, a) =>
            {
                if (count++ == 5)
                    signal.Set();
            };

            NetMQPoller poller;
            using (poller = new NetMQPoller { timer })
            {
                poller.RunAsync();
                Assert.IsTrue(signal.WaitOne(500));
                Assert.IsTrue(poller.IsRunning);
                Assert.Throws<InvalidOperationException>(() => poller.Run());
            }

            Assert.IsFalse(poller.IsRunning);
            Assert.Throws<ObjectDisposedException>(() => poller.Run());
            Assert.Throws<ObjectDisposedException>(() => poller.Stop());
            Assert.Throws<ObjectDisposedException>(() => poller.Add(timer));
            Assert.Throws<ObjectDisposedException>(() => poller.Remove(timer));
        }