Example #1
0
        private static void WorkerTaskB(object portNumber)
        {
            using (var worker = new DealerSocket())
            {
                worker.Options.Identity = Encoding.Unicode.GetBytes("B");
                worker.Connect($"tcp://localhost:{portNumber}");

                int total = 0;

                bool end = false;

                while (!end)
                {
                    string request = worker.ReceiveFrameString();

                    if (request == "END")
                    {
                        end = true;
                    }
                    else
                    {
                        total++;
                    }
                }

                Console.WriteLine("B Received: {0}", total);
            }
        }
        public void Start()
        {
            _server.Bind(_localConnectionString);
            _poller.Add(_server);
            _poller.RunAsync();

            foreach (var connStr in _peerConnectionStrings)
            {
                DealerSocket peer = new DealerSocket();
                peer.Options.Identity = _nodeId.ToByteArray();
                peer.ReceiveReady    += Peer_ReceiveReady;
                peer.Connect(connStr);
                _poller.Add(peer);
                peer.SendFrame(ConvertOp(MessageOp.Ping));
            }

            _houseKeeper          = new NetMQTimer(TimeSpan.FromSeconds(30));
            _houseKeeper.Elapsed += HouseKeeper_Elapsed;
            _poller.Add(_houseKeeper);
            _houseKeeper.Enable = true;
        }
Example #3
0
        // Dealer-Receive接收信息
        private void ThreadDealerReceive()
        {
            using (DealerSocket dealerSocket = new DealerSocket())
            {
                dealerSocket.Options.Identity = Encoding.UTF8.GetBytes(PublicData.SessionId);
                dealerSocket.Connect(MQConfig.RouterSendServer);

                while (!PublicData.CancellationToken.IsCancellationRequested)
                {
                    try
                    {
                        KeyData kd = dealerSocket.DealerReceive();
                        MqDealerReceiveEvent?.Invoke(kd);
                        Task.Factory.StartNew(() => HandleKeyData_DealerReceive(kd.Key, kd.DataString));
                    }
                    catch (Exception ex)
                    {
                        LogUtil.Error($"Dealer-Receive消息执行异常:{ex.Message}");
                    }
                }
            }
        }
Example #4
0
        public void Mandatory()
        {
            using (var router = new RouterSocket())
            {
                router.Options.RouterMandatory = true;
                router.Bind("tcp://127.0.0.1:5555");

                using (var dealer = new DealerSocket())
                {
                    dealer.Options.Identity = Encoding.ASCII.GetBytes("1");
                    dealer.Connect("tcp://127.0.0.1:5555");

                    dealer.SendFrame("Hello");

                    Assert.AreEqual("1", router.ReceiveFrameString());
                    Assert.AreEqual("Hello", router.ReceiveFrameString());
                }

                Thread.Sleep(100);

                Assert.Throws <HostUnreachableException>(() => router.SendMoreFrame("1").SendFrame("Hello"));
            }
        }
Example #5
0
        public void Handover()
        {
            using (var router = new RouterSocket())
                using (var dealer1 = new DealerSocket())
                {
                    router.Options.RouterHandover = true;
                    router.Bind("inproc://127.0.0.1:5555");
                    dealer1.Options.Identity = Encoding.ASCII.GetBytes("ID");
                    dealer1.Connect("inproc://127.0.0.1:5555");
                    dealer1.SendMoreFrame("Hello").SendFrame("World");

                    var identity = router.ReceiveFrameString();
                    Assert.AreEqual("ID", identity);

                    using (var dealer2 = new DealerSocket())
                    {
                        dealer2.Options.Identity = Encoding.ASCII.GetBytes("ID");
                        dealer2.Connect("inproc://127.0.0.1:5555");

                        // We have new peer which should take over, however we are still reading a message
                        var message = router.ReceiveFrameString();
                        Assert.AreEqual("Hello", message);
                        message = router.ReceiveFrameString();
                        Assert.AreEqual("World", message);

                        dealer2.SendMoreFrame("Hello").SendFrame("World");
                        identity = router.ReceiveFrameString();
                        Assert.AreEqual("ID", identity);

                        message = router.ReceiveFrameString();
                        Assert.AreEqual("Hello", message);

                        message = router.ReceiveFrameString();
                        Assert.AreEqual("World", message);
                    }
                }
        }
        private IStateReply GetStateOfTheWorld()
        {
            using (var dealer = new DealerSocket())
            {
                var request = new StateRequest()
                {
                    Subject = _configuration.Subject,
                };

                var requestBytes = _eventSerializer.Serializer.Serialize(request);

                dealer.Connect(_configuration.StateOfTheWorldEndpoint);
                dealer.SendFrame(requestBytes);

                var hasResponse = dealer.TryReceiveFrameBytes(_configuration.StateCatchupTimeout, out var responseBytes);

                if (!hasResponse)
                {
                    throw new Exception("unable to reach broker");
                }

                return(_eventSerializer.Serializer.Deserialize <StateReply>(responseBytes));
            }
        }
Example #7
0
        public void ClientDealer_VentilatorRouter_ProcessorsRouter()
        {
            var endpointCommand = "inproc://127.0.0.1:5000";
            var endpointQuery   = "inproc://127.0.0.1:5001";

            var endpointVentilator = "inproc://127.0.0.1:5100";

            var command = new RouterSocket();

            command.ReceiveReady += (sender, args) =>
            {
                _testOutputHelper.WriteLine("New connection: {0}", args.Socket.Options.Identity.ToString());
            };

            command.Options.Identity        = Encoding.UTF8.GetBytes("COMMAND");
            command.Options.RouterMandatory = true;
            command.Bind(endpointCommand);
            _testOutputHelper.WriteLine("Bind command");

            Task.Delay(1000);

            var query = new RouterSocket();

            query.ReceiveReady += (sender, args) =>
            {
                _testOutputHelper.WriteLine("New connection: {0}", args.Socket.Options.Identity.ToString());
            };
            query.Options.Identity        = Encoding.UTF8.GetBytes("QUERY");
            query.Options.RouterMandatory = true;
            query.Bind(endpointQuery);
            _testOutputHelper.WriteLine("Bind query");

            Task.Delay(2000);

            var ventilatorCommand = new DealerSocket();

            ventilatorCommand.Options.Identity = Encoding.UTF8.GetBytes("VENTILATORCOMMAND");
            ventilatorCommand.Connect(endpointCommand);
            _testOutputHelper.WriteLine("Connect to command");

            Task.Delay(1000);

            VentilatorCommand_SendCommand(ventilatorCommand, command);

            Task.Delay(1000);

            var ventilatorQuery = new DealerSocket();

            ventilatorQuery.Options.Identity = Encoding.UTF8.GetBytes("VENTILATORQUERY");
            ventilatorQuery.Connect(endpointQuery);
            _testOutputHelper.WriteLine("Connect to query");

            Task.Delay(1000);

            VentilatorQuery_SendQuery(ventilatorQuery, query);

            Task.Delay(1000);

            var ventilator = new RouterSocket();

            ventilator.Options.Identity = Encoding.UTF8.GetBytes("VENTILATOR");
            ventilator.Bind(endpointVentilator);

            _testOutputHelper.WriteLine("Bind Ventilator");

            Task.Delay(1000);

            var client = new DealerSocket();

            client.Options.Identity = Encoding.UTF8.GetBytes("CLIENT");
            client.Connect(endpointVentilator);

            _testOutputHelper.WriteLine("Connect to Ventilator");

            Task.Delay(1000);

            ClientCommand_Ventilator(client, ventilator, ventilatorCommand, command);
        }
        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 (var 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
                    var sequenceNo = 0;
                    for (var i = 0; i < 10; i++)
                    {
                        var 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.");
                }
            }
        }
Example #9
0
        public DealerRouter()
        {
            const int delay = 3000;

            //Keep dealersocket reference within each three threads
            var clientSocketPerThread = new ThreadLocal <DealerSocket>();


            using (var server = new RouterSocket("tcp://127.0.0.1:5556"))
                using (var poller = new NetMQPoller())
                {
                    for (int i = 0; i < 3; 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_ReceivedReady;
                                clientSocketPerThread.Value = client;
                                poller.Add(client);
                            }
                            else
                            {
                                client = clientSocketPerThread.Value;
                            }

                            //the dealersocket will provide an identity for message when it is created
                            while (true)
                            {
                                var 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);
                    }
                    poller.RunAsync();

                    while (true)
                    {
                        var clientMessage = server.ReceiveMultipartMessage();
                        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} address {2}",
                                                            clientOriginalMessage, DateTime.Now.ToLongTimeString(), clientAddress.ConvertToString());
                            var messageToClient = new NetMQMessage();
                            messageToClient.Append(clientAddress);
                            messageToClient.AppendEmptyFrame();
                            messageToClient.Append(response);
                            server.SendMultipartMessage(messageToClient);
                        }
                    }
                }
        }
Example #10
0
        public void AddSocketAfterRemoving()
        {
            using (var router1 = new RouterSocket())
                using (var router2 = new RouterSocket())
                    using (var router3 = new RouterSocket())
                        using (var dealer1 = new DealerSocket())
                            using (var dealer2 = new DealerSocket())
                                using (var dealer3 = new DealerSocket())
                                    using (var poller = new Poller(router1, router2)
                                    {
                                        PollTimeout = TestPollTimeoutMillis
                                    })
                                    {
                                        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");

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

                                        bool router1Arrived = false;
                                        bool router2Arrived = false;
                                        bool router3Arrived = false;

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

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

                                        router2.ReceiveReady += (s, e) =>
                                        {
                                            router2Arrived = true;
                                            router2.SkipFrame();
                                            router2.SkipFrame();
                                            poller.AddSocket(router3);
                                            signal2.Set();
                                        };

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

                                        poller.PollTillCancelledNonBlocking();

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

                                        poller.CancelAndJoin();

                                        Assert.IsTrue(router1Arrived);
                                        Assert.IsTrue(router2Arrived);
                                        Assert.IsTrue(router3Arrived);
                                    }
        }
Example #11
0
        private static void Main()
        {
            const int messageCount = 1000000;
            const int dealerCount = 100;

            Console.WriteLine("Sending {0} messages to {1} dealers", messageCount, dealerCount);

            //BufferPool.SetBufferManagerBufferPool(1024 * 1024 * 10, 1024);

            using (var router = new RouterSocket())
            {
                router.Options.SendHighWatermark = 0;
                router.Bind("tcp://*:5555");

                var dealers = new List<DealerSocket>();
                var identities = new List<Msg>();
                var random = new Random();
                var identity = new byte[50];

                for (var i = 0; i < dealerCount; i++)
                {
                    random.NextBytes(identity);
                    var dealer = new DealerSocket
                    {
                        Options =
                        {
                            Identity = identity.Skip(10).ToArray(),
                            ReceiveHighWatermark = 0
                        }
                    };

                    dealer.Connect("tcp://localhost:5555");

                    dealers.Add(dealer);
                    var msg = new Msg();
                    msg.InitGC(identity, 10, identity.Length); // test offsets
                    identities.Add(msg);
                }

                Thread.Sleep(500);

                while (!Console.KeyAvailable)
                {
                    Thread.Sleep(500);

                    var stopwatch = Stopwatch.StartNew();

                    for (var i = 0; i < messageCount; i++)
                    {
                        var msg = identities[i%identities.Count];
                        router.Send(ref msg, true);
                        var msg2 = new Msg();
                        msg2.InitPool(1);
                        msg2.Put((byte) 'E');
                        router.Send(ref msg2, false);
                    }

                    stopwatch.Stop();

                    Console.WriteLine("{0:N1} messages sent per second", messageCount/stopwatch.Elapsed.TotalSeconds);
                }

                foreach (var dealerSocket in dealers)
                    dealerSocket.Dispose();
            }
        }
Example #12
0
        public void Unbind(string protocol)
        {
            using (var server = new DealerSocket())
            {
                string address1, address2;

                // just making sure can bind on both addresses
                using (var client1 = new DealerSocket())
                    using (var client2 = new DealerSocket())
                    {
                        if (protocol == "tcp")
                        {
                            var port1 = server.BindRandomPort("tcp://localhost");
                            var port2 = server.BindRandomPort("tcp://localhost");

                            address1 = "tcp://localhost:" + port1;
                            address2 = "tcp://localhost:" + port2;

                            client1.Connect(address1);
                            client2.Connect(address2);
                        }
                        else
                        {
                            Debug.Assert(protocol == "inproc");

                            address1 = "inproc://localhost1";
                            address2 = "inproc://localhost2";

                            server.Bind(address1);
                            server.Bind(address2);

                            client1.Connect(address1);
                            client2.Connect(address2);
                        }

                        Thread.Sleep(100);

                        // we should be connected to both server
                        client1.SendFrame("1");
                        client2.SendFrame("2");

                        // the server receive from both
                        server.SkipFrame();
                        server.SkipFrame();
                    }

                // unbind second address
                server.Unbind(address2);
                Thread.Sleep(100);

                using (var client1 = new DealerSocket())
                    using (var client2 = new DealerSocket())
                    {
                        client1.Options.DelayAttachOnConnect = true;
                        client1.Connect(address1);

                        client2.Options.DelayAttachOnConnect = true;

                        if (protocol == "tcp")
                        {
                            client2.Connect(address2);

                            client1.SendFrame("1");
                            server.SkipFrame();

                            Assert.IsFalse(client2.TrySendFrame(TimeSpan.FromSeconds(2), "2"));
                        }
                        else
                        {
                            Assert.Throws <EndpointNotFoundException>(() => { client2.Connect(address2); });
                        }
                    }
            }
        }
Example #13
0
        public void Do()
        {
            using (var socket = new DealerSocket())
            {
                socket.Connect("tcp://127.0.0.1:5556");

                SecureChannel secureChannel = SecureChannel.CreateClientSecureChannel(null, m_configuration);

                // we are not using signed certificate so we need to validate
                // the certificate of the server, by default the secure channel
                // is checking that the source of the
                // certitiface is a root certificate authority
                //secureChannel.SetVerifyCertificate(c => true);

                // we need to set X509Certificate with a private key for the server
                X509Certificate2 certificate = new X509Certificate2(
                    System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "server.crt"), "1234");
                secureChannel.Certificate = certificate;

                List <NetMQMessage> outgoingMessages = new List <NetMQMessage>();

                // call the process message with null as the incoming message
                // because the client is initiating the connection
                secureChannel.ProcessMessage(null, outgoingMessages);
                //Server.SendMessages(socket, outgoingMessages);

                foreach (NetMQMessage message in outgoingMessages)
                {
                    socket.SendMultipartMessage(message);
                }
                outgoingMessages.Clear();
                // waiting for a message from the server
                NetMQMessage incomingMessage = socket.ReceiveMultipartMessage();

                // calling ProcessMessage until ProcessMessage return true
                // and the SecureChannel is ready to encrypt and decrypt messages
                while (!secureChannel.ProcessMessage(incomingMessage, outgoingMessages))
                {
                    foreach (NetMQMessage message in outgoingMessages)
                    {
                        socket.SendMultipartMessage(message);
                    }
                    outgoingMessages.Clear();
                    //Server.SendMessages(socket, outgoingMessages);
                    incomingMessage = socket.ReceiveMultipartMessage();
                }

                foreach (NetMQMessage message in outgoingMessages)
                {
                    socket.SendMultipartMessage(message);
                }
                outgoingMessages.Clear();
                //Server.SendMessages(socket, outgoingMessages);
                // you can now use the secure channel to encrypt messages
                NetMQMessage plainMessage = new NetMQMessage();
                plainMessage.Append("Hello");

                // encrypting the message and sending it over the socket
                socket.SendMultipartMessage(secureChannel.EncryptApplicationMessage(plainMessage));
                NetMQMessage cipherMessage = socket.ReceiveMultipartMessage();

                // decrypting the message
                plainMessage = secureChannel.DecryptApplicationMessage(cipherMessage);
                System.Console.WriteLine(plainMessage.First.ConvertToString());
            }
        }
Example #14
0
 public NetMQRequestor(string connString)
 {
     clientSocket     = new DealerSocket();
     connectionString = connString;
     clientSocket.Connect(connString);
 }
Example #15
0
        public void RemoveSocket()
        {
            using (var router1 = new RouterSocket())
                using (var router2 = new RouterSocket())
                    using (var router3 = new RouterSocket())
                        using (var dealer1 = new DealerSocket())
                            using (var dealer2 = new DealerSocket())
                                using (var dealer3 = new DealerSocket())
                                    using (var poller = new NetMQPoller {
                                        router1, router2, router3
                                    })
                                    {
                                        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");

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

                                        bool first = true;

                                        router1.ReceiveReady += (s, e) =>
                                        {
                                            if (!first)
                                            {
                                                Assert.Fail("This should not happen because we cancelled the socket");
                                            }
                                            first = false;

                                            // identity
                                            e.Socket.SkipFrame();

                                            bool more;
                                            Assert.AreEqual("Hello", e.Socket.ReceiveFrameString(out more));
                                            Assert.False(more);

                                            // cancelling the socket
                                            poller.Remove(e.Socket); // remove self
                                        };

                                        router2.ReceiveReady += (s, e) =>
                                        {
                                            // identity
                                            byte[] identity = e.Socket.ReceiveFrameBytes();

                                            // message
                                            e.Socket.SkipFrame();

                                            e.Socket.SendMoreFrame(identity);
                                            e.Socket.SendFrame("2");
                                        };

                                        router3.ReceiveReady += (s, e) =>
                                        {
                                            // identity
                                            byte[] identity = e.Socket.ReceiveFrameBytes();

                                            // message
                                            e.Socket.SkipFrame();

                                            e.Socket.SendMoreFrame(identity).SendFrame("3");
                                        };

                                        Task pollerTask = Task.Factory.StartNew(poller.Run);

                                        // Send three messages. Only the first will be processed, as then handler removes
                                        // the socket from the poller.
                                        dealer1.SendFrame("Hello");
                                        dealer1.SendFrame("Hello2");
                                        dealer1.SendFrame("Hello3");

                                        // making sure the socket defined before the one cancelled still works
                                        dealer2.SendFrame("1");
                                        Assert.AreEqual("2", dealer2.ReceiveFrameString());

                                        // making sure the socket defined after the one cancelled still works
                                        dealer3.SendFrame("1");
                                        Assert.AreEqual("3", dealer3.ReceiveFrameString());

                                        poller.Stop();
                                        Assert.IsTrue(pollerTask.IsCompleted);
                                    }
        }
Example #16
0
        public void AddSocketAfterRemoving()
        {
            using (var router1 = new RouterSocket())
                using (var router2 = new RouterSocket())
                    using (var router3 = new RouterSocket())
                        using (var dealer1 = new DealerSocket())
                            using (var dealer2 = new DealerSocket())
                                using (var dealer3 = 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");

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

                                        bool router1Arrived = false;
                                        bool router2Arrived = false;
                                        bool router3Arrived = false;

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

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

                                        router2.ReceiveReady += (s, e) =>
                                        {
                                            router2Arrived = true;
                                            router2.SkipFrame();
                                            router2.SkipFrame();
                                            poller.Add(router3);
                                            signal2.Set();
                                        };

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

                                        poller.RunAsync();

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

                                        poller.Stop();

                                        Assert.IsTrue(router1Arrived);
                                        Assert.IsTrue(router2Arrived);
                                        Assert.IsTrue(router3Arrived);
                                    }
        }
Example #17
0
        /// <summary>
        /// Create the DEALER socket and connect it to QUEUE backend.
        /// Set the identity.
        /// Send the initial READY message.
        /// </summary>
        private static DealerSocket GetWorkerSocket(bool verbose, int id)
        {
            var worker = new DealerSocket { Options = { Identity = Encoding.UTF8.GetBytes("Worker_" + id) } };


            worker.Connect(Commons.QueueBackend);

            if (verbose)
                Console.WriteLine("[WORKER] {0} sending 'READY'.", Encoding.UTF8.GetString(worker.Options.Identity));

            // send READY
            worker.SendFrame(Commons.PPPReady);

            return worker;
        }
        public XplaneConnectionManager(IEventBroker broker, IAppConfig config, IFsdManger fsdManager) : base(broker)
        {
            DealerSocket visualDealerSocket = null;

            mVisualDealerSockets = null;
            mConfig     = config;
            mFsdManager = fsdManager;

            if (mConfig.VisualClientIPs.Count > 0)
            {
                foreach (string mIP in mConfig.VisualClientIPs)
                {
                    visualDealerSocket = new DealerSocket();
                    visualDealerSocket.Options.Identity     = Encoding.UTF8.GetBytes("CLIENT");
                    visualDealerSocket.Options.TcpKeepalive = true;
                    try
                    {
                        visualDealerSocket.Connect("tcp://" + mIP + ":" + mConfig.TcpPort);
                        if (mVisualDealerSockets == null)
                        {
                            mVisualDealerSockets = new List <DealerSocket>();
                        }
                        mVisualDealerSockets.Add(visualDealerSocket);
                    }
                    catch (AddressAlreadyInUseException)
                    {
                        NotificationPosted?.Invoke(this, new NotificationPostedEventArgs(NotificationType.Error, "Plugin port already in use. Please choose a different TCP port."));
                    }
                }
            }

            if (!string.IsNullOrEmpty(mConfig.SimClientIP))
            {
                mSimulatorIP = mConfig.SimClientIP;
            }

            mMessageQueue = new NetMQQueue <string>();
            mDealerSocket = new DealerSocket();
            mDealerSocket.Options.TcpKeepalive = true;
            mDealerSocket.Options.Identity     = Encoding.UTF8.GetBytes("CLIENT");
            mDealerSocket.ReceiveReady        += DealerSocket_ReceiveReady;
            try
            {
                mDealerSocket.Connect("tcp://" + mSimulatorIP + ":" + mConfig.TcpPort);
            }
            catch (AddressAlreadyInUseException)
            {
                NotificationPosted?.Invoke(this, new NotificationPostedEventArgs(NotificationType.Error, "Plugin port already in use. Please choose a different TCP port."));
            }
            mPoller = new NetMQPoller {
                mDealerSocket, mMessageQueue
            };
            if (!mPoller.IsRunning)
            {
                mPoller.RunAsync();
            }

            mMessageQueue.ReceiveReady += (s, e) =>
            {
                if (mMessageQueue.TryDequeue(out string msg, TimeSpan.FromMilliseconds(100)))
                {
                    if (mDealerSocket != null)
                    {
                        mDealerSocket.SendFrame(msg);
                    }
                    if (mVisualDealerSockets != null && mVisualDealerSockets.Count > 0)
                    {
                        foreach (DealerSocket socket in mVisualDealerSockets)
                        {
                            socket.SendFrame(msg);
                        }
                    }
                }
            };

            mXplaneConnector  = new XPlaneConnector.XPlaneConnector(mSimulatorIP);
            mUserAircraftData = new UserAircraftData();
            mRadioStackState  = new UserAircraftRadioStack();

            mGetXplaneDataTimer = new Timer
            {
                Interval = 10
            };
            mGetXplaneDataTimer.Tick += GetXplaneDataTimer_Tick;
            mGetXplaneDataTimer.Start();

            mConnectionTimer = new Timer
            {
                Interval = 50
            };
            mConnectionTimer.Tick += ConnectionTimer_Tick;
            mConnectionTimer.Start();

            mRetryConnectionTimer = new Timer
            {
                Interval = 1000
            };
            mRetryConnectionTimer.Tick += RetryConnectionTimer_Tick;
            mRetryConnectionTimer.Start();

            mWhosOnlineListRefresh = new Timer
            {
                Interval = 5000
            };
            mWhosOnlineListRefresh.Tick += WhosOnlineListRefresh_Tick;

            SetupSubscribers();

            if (!Directory.Exists(Path.Combine(mConfig.AppPath, "PluginLogs")))
            {
                Directory.CreateDirectory(Path.Combine(mConfig.AppPath, "PluginLogs"));
            }

            var directory = new DirectoryInfo(Path.Combine(mConfig.AppPath, "PluginLogs"));
            var query     = directory.GetFiles("*", SearchOption.AllDirectories);

            foreach (var file in query.OrderByDescending(file => file.CreationTime).Skip(10))
            {
                file.Delete();
            }

            mRawDataStream = new StreamWriter(Path.Combine(mConfig.AppPath, string.Format($"PluginLogs/PluginLog-{DateTime.UtcNow:yyyyMMddHHmmss}.log")), false);
        }
Example #19
0
        public void Run()
        {
            //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

            ThreadLocal <DealerSocket> clientSocketPerThread =
                new ThreadLocal <DealerSocket>();
            int    delay  = 3000;
            Poller poller = new Poller();

            using (NetMQContext ctx = NetMQContext.Create())
            {
                using (var server = ctx.CreateRouterSocket())
                {
                    server.Bind("tcp://127.0.0.1:5556");

                    //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 < 3; i++)
                    {
                        Task.Factory.StartNew((state) =>
                        {
                            DealerSocket client = null;

                            if (!clientSocketPerThread.IsValueCreated)
                            {
                                client = ctx.CreateDealerSocket();
                                client.Connect("tcp://127.0.0.1:5556");
                                client.ReceiveReady        += Client_ReceiveReady;
                                clientSocketPerThread.Value = client;
                                poller.AddSocket(client);
                            }
                            else
                            {
                                client = clientSocketPerThread.Value;
                            }

                            while (true)
                            {
                                var messageToServer = new NetMQMessage();
                                messageToServer.AppendEmptyFrame();
                                messageToServer.Append(state.ToString());
                                client.SendMessage(messageToServer);
                                Thread.Sleep(delay);
                            }
                        }, string.Format("client {0}", i), TaskCreationOptions.LongRunning);
                    }

                    //start the poller
                    Task task = Task.Factory.StartNew(poller.Start);

                    //server loop
                    while (true)
                    {
                        var clientMessage = server.ReceiveMessage();
                        Console.WriteLine("========================");
                        Console.WriteLine(" INCOMING CLIENT MESSAGE ");
                        Console.WriteLine("========================");
                        for (int i = 0; i < clientMessage.FrameCount; i++)
                        {
                            Console.WriteLine("Frame[{0}] = {1}", i,
                                              clientMessage[i].ConvertToString());
                        }

                        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.SendMessage(messageToClient);
                        }
                    }
                }
            }
        }
Example #20
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);
                                            }
        }
Example #21
0
        private static void Main()
        {
            const int messageCount = 1000000;
            const int dealerCount  = 100;

            Console.WriteLine("Sending {0} messages to {1} dealers", messageCount, dealerCount);

            //BufferPool.SetBufferManagerBufferPool(1024 * 1024 * 10, 1024);

            using (var router = new RouterSocket())
            {
                router.Options.SendHighWatermark = 0;
                router.Bind("tcp://*:5555");

                var dealers    = new List <DealerSocket>();
                var identities = new List <Msg>();
                var random     = new Random();
                var identity   = new byte[50];

                for (var i = 0; i < dealerCount; i++)
                {
                    random.NextBytes(identity);
                    var dealer = new DealerSocket
                    {
                        Options =
                        {
                            Identity             = identity.Skip(10).ToArray(),
                            ReceiveHighWatermark = 0
                        }
                    };

                    dealer.Connect("tcp://localhost:5555");

                    dealers.Add(dealer);
                    var msg = new Msg();
                    msg.InitGC(identity, 10, identity.Length); // test offsets
                    identities.Add(msg);
                }

                Thread.Sleep(500);

                while (!Console.KeyAvailable)
                {
                    Thread.Sleep(500);

                    var stopwatch = Stopwatch.StartNew();

                    for (var i = 0; i < messageCount; i++)
                    {
                        var msg = identities[i % identities.Count];
                        router.Send(ref msg, true);
                        var msg2 = new Msg();
                        msg2.InitPool(1);
                        msg2.Put((byte)'E');
                        router.Send(ref msg2, false);
                    }

                    stopwatch.Stop();

                    Console.WriteLine("{0:N1} messages sent per second", messageCount / stopwatch.Elapsed.TotalSeconds);
                }

                foreach (var dealerSocket in dealers)
                {
                    dealerSocket.Dispose();
                }
            }
        }
Example #22
0
        public static void Main(string[] args)
        {
            string tcp    = "tcp://127.0.0.1:20000";
            string inproc = "inproc://response_dealer";

            ResponseSocket res = new ResponseSocket(inproc);

            IpcCollectorDevice ipcCollectorDevice = new IpcCollectorDevice(tcp, inproc);

            ipcCollectorDevice.Start();

            NetMQRequestor requestor = new NetMQRequestor(tcp);
            var            message   = Guid.NewGuid().ToString();

            requestor.SendMessage(message);
            // NOTES
            // 1. Use ThreadLocal&lt;DealerSocket&gt; 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 = 10; // millis

            var clientSocketPerThread = new ThreadLocal <DealerSocket>();
            int d = 0;

            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 < 3; 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)
                            {
                                var messageToServer = new NetMQMessage();
                                messageToServer.AppendEmptyFrame();
                                messageToServer.Append(Interlocked.Increment(ref d).ToString());
                                //Console.WriteLine("======================================");
                                //Console.WriteLine(" OUTGOING MESSAGE TO SERVER ");
                                //Console.WriteLine("======================================");
                                //PrintFrames("Client Sending", messageToServer);
                                //messageToServer.ToString();
                                client.SendMultipartMessage(messageToServer);
                                Thread.Sleep(delay);
                            }
                        }, string.Format("client {0}", i), TaskCreationOptions.LongRunning);
                    }

                    // start the poller
                    poller.RunAsync();

                    // server loop
                    while (true)
                    {
                        string date          = DateTime.Now.ToString();
                        var    clientMessage = server.ReceiveMultipartMessage();
                        //Console.WriteLine("======================================");
                        //Console.WriteLine(" INCOMING CLIENT MESSAGE FROM CLIENT ");
                        //Console.WriteLine("======================================");
                        //PrintFrames("Server receiving", clientMessage);
                        Thread.Sleep(new Random().Next(0, 1000));
                        if (clientMessage.FrameCount == 3)
                        {
                            var    clientAddress         = clientMessage[0];
                            var    clientOriginalMessage = clientMessage[2].ConvertToString();
                            string response        = string.Format("{0} back from server {1}", clientOriginalMessage, date);
                            var    messageToClient = new NetMQMessage();
                            messageToClient.Append(clientAddress);
                            messageToClient.AppendEmptyFrame();
                            messageToClient.Append(response);
                            server.SendMultipartMessage(messageToClient);
                        }
                    }
                }
        }
Example #23
0
        public async Task <bool> RunSimulationAsync(Options options, TextWriter logger, CancellationToken token = default)
        {
            Logger = logger;
            try {
                Id = options.Id;

                _socket = new DealerSocket();
                _socket.Options.Linger   = TimeSpan.FromSeconds(30);
                _socket.Options.Identity = Encoding.ASCII.GetBytes(Id);
                if (options.Connect)
                {
                    _socket.Connect(options.URL);
                }
                else
                {
                    _socket.Bind(options.URL);
                }

                using (Outgoing = new NetMQQueue <NetMQMessage>()) {
                    using var poller = new NetMQPoller()
                          {
                              _socket, Outgoing
                          };
                    _socket.ReceiveReady += (sender, e) => {
                        var msg = _socket.ReceiveMultipartMessage();
                        if (msg.FrameCount < 3)
                        {
                            logger.WriteLine($"Received message with only {msg.FrameCount} frames.");
                            return;
                        }
                        var type = msg[1].ConvertToString();
                        logger.WriteLine($"Received {type} message.");
                        switch (type)
                        {
                        case "crane":
                            OnCraneMessageReceived(msg[2].Buffer);
                            break;

                        case "sim":
                            OnSimMessageReceived(msg[2].Buffer);
                            break;

                        default: //Console.WriteLine($"Received message with unmapped type {type}");
                            break;
                        }
                    };
                    Outgoing.ReceiveReady += (sender, e) => {
                        var msg = Outgoing.Dequeue();
                        if (_socket.TrySendMultipartMessage(TimeSpan.FromMinutes(1), msg)) // Note that for policyruns (virtual time) a lot of events are generated
                        {
                            logger.WriteLine($"Sent {msg[1].ConvertToString()} message.");
                        }
                        //else logger.WriteLine($"Discarded outgoing {msg[1].ConvertToString()} message.");
                    };

                    if (!options.RunSync || options.Connect)
                    {
                        poller.RunAsync();
                    }

                    if (!string.IsNullOrEmpty(options.SettingsPath))
                    {
                        if (options.SettingsPath.Equals("Default", StringComparison.OrdinalIgnoreCase))
                        {
                            logger.WriteLine("Using default settings");
                            _settingsReceived.SetResult(GetDefaultSettings());
                        }
                        else
                        {
                            logger.WriteLine($"Reading settings from {options.SettingsPath}");
                            _settingsReceived.SetResult(File.ReadAllBytes(options.SettingsPath));
                        }
                    }
                    var result = false;
                    try {
                        if (!options.RunSync)
                        {
                            result = await RunSimulationAsync(await _settingsReceived.Task, options.PolicyRun);

                            // wait until the outgoing queue is cleared
                            var remaining = Outgoing.Count;
                            while (remaining > 0)
                            {
                                await Task.Delay(1000, token);

                                if (Outgoing.Count == remaining)
                                {
                                    break;              // assume nobody is listening for world states
                                }
                                remaining = Outgoing.Count;
                            }
                        }
                        else
                        {
                            result = RunSimulation(await _settingsReceived.Task, options.SyncURL, options.Id);
                        }
                    } finally {
                        poller.Stop();
                    }
                    return(result);
                }
            } finally {
                DisposeSocket();
            }
        }
Example #24
0
        public static void Main(string[] args)
        {
            // NOTES
            // 1. Use ThreadLocal&lt;DealerSocket&gt; 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 = 3000; // 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 < 3; 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)
                            {
                                var 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
                    while (true)
                    {
                        var clientMessage = server.ReceiveMultipartMessage();
                        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);
                        }
                    }
                }
            void PrintFrames(string operationType, NetMQMessage message)
            {
                for (int i = 0; i < message.FrameCount; i++)
                {
                    Console.WriteLine("{0} Socket : Frame[{1}] = {2}", operationType, i,
                                      message[i].ConvertToString());
                }
            }
        }
Example #25
0
        static void Main(string[] args)
        {
            const int delay = 5000; // millis
            var       clientSocketPerThread = new ThreadLocal <DealerSocket>();

            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 < 2; i++)
                //{
                Task.Factory.StartNew(state =>
                {
                    DealerSocket client = null;
                    if (!clientSocketPerThread.IsValueCreated)
                    {
                        client = new DealerSocket();
                        client.Options.Identity =
                            Encoding.Unicode.GetBytes("Client 1");
                        client.Connect("tcp://127.0.0.1:5000");
                        client.ReceiveReady        += Client_ReceiveReady;
                        clientSocketPerThread.Value = client;
                        poller.Add(client);
                    }
                    else
                    {
                        client = clientSocketPerThread.Value;
                    }
                    while (true)
                    {
                        var messageToServer = new NetMQMessage();
                        messageToServer.AppendEmptyFrame();
                        messageToServer.Append("message from client 1");
                        Console.WriteLine("======================================");
                        Console.WriteLine(" OUTGOING MESSAGE TO SERVER ");
                        Console.WriteLine("======================================");
                        PrintFrames("Client Sending", messageToServer);
                        client.SendMultipartMessage(messageToServer);
                        Thread.Sleep(delay);
                    }
                }, string.Format("client 1"), TaskCreationOptions.LongRunning);
                //}
                // start the poller
                poller.RunAsync();

                /*
                 * DealerSocket client = new DealerSocket("tcp://127.0.0.1:5000");
                 * client.Options.Identity = Encoding.Unicode.GetBytes("1");
                 * client.Connect("tcp://127.0.0.1:5000");
                 * //client.ReceiveReady += Client_ReceiveReady;
                 * var messageToServer = new NetMQMessage();
                 * messageToServer.AppendEmptyFrame();
                 * messageToServer.Append("Hello server~");
                 * client.SendMultipartMessage(messageToServer);
                 */
                while (true)
                {
                    ;
                }
            }
        }
        public void HelloTest()
        {
            Action <ZreMsg> setMessage = m =>
            {
                m.Id = ZreMsg.MessageId.Hello;

                m.Hello.Sequence = 123;
                m.Hello.Endpoint = "Life is short but Now lasts for ever";
                m.Hello.Groups   = new List <string>();
                m.Hello.Groups.Add("Name: Brutus");
                m.Hello.Groups.Add("Age: 43");
                m.Hello.Status  = 123;
                m.Hello.Name    = "Life is short but Now lasts for ever";
                m.Hello.Headers = new Dictionary <string, string>();
                m.Hello.Headers.Add("Name", "Brutus");
                m.Hello.Headers.Add("Age", "43");
            };

            Action <ZreMsg> checkMessage = m =>
            {
                Assert.That(m.Id, Is.EqualTo(ZreMsg.MessageId.Hello));
                Assert.That(m.Hello.Sequence, Is.EqualTo(123));
                Assert.That(m.Hello.Endpoint, Is.EqualTo("Life is short but Now lasts for ever"));
                Assert.That(m.Hello.Groups.Count, Is.EqualTo(2));
                Assert.That(m.Hello.Groups[0], Is.EqualTo("Name: Brutus"));
                Assert.That(m.Hello.Groups[1], Is.EqualTo("Age: 43"));
                Assert.That(m.Hello.Status, Is.EqualTo(123));
                Assert.That(m.Hello.Name, Is.EqualTo("Life is short but Now lasts for ever"));
                Assert.That(m.Hello.Headers.Count, Is.EqualTo(2));
                Assert.That(m.Hello.Headers["Name"], Is.EqualTo("Brutus"));
                Assert.That(m.Hello.Headers["Age"], Is.EqualTo("43"));
            };

            using (var client = new DealerSocket())
                using (var server = new RouterSocket())
                {
                    server.Bind("inproc://zprototestHello");
                    client.Connect("inproc://zprototestHello");

                    ZreMsg clientMessage = new ZreMsg();
                    ZreMsg serverMessage = new ZreMsg();

                    for (int i = 0; i < 2; i++)
                    {
                        // client send message to server
                        setMessage(clientMessage);
                        clientMessage.Send(client);

                        // server receive the message
                        serverMessage.Receive(server);

                        // check that message received ok
                        Assert.That(serverMessage.RoutingId, Is.Not.Null);
                        checkMessage(serverMessage);

                        // reply to client, no need to set the message, using client data
                        serverMessage.Send(server);

                        // client receive the message
                        clientMessage.Receive(client);

                        // check that message received ok
                        Assert.That(clientMessage.RoutingId, Is.Null);
                        checkMessage(clientMessage);
                    }
                }
        }
            private async Task Handler()
            {
                while (this.IsRunning)
                {
                    try
                    {
                        using (var socket = new DealerSocket())
                            using (this.BackendBuffer = new NetMQQueue <TransportMessage>())
                                using (var poller = new NetMQPoller()
                                {
                                    socket, this.BackendBuffer
                                })
                                    using (var monitor = new NetMQ.Monitoring.NetMQMonitor(socket, $"inproc://monitor.forwarderdevice.backend.{Guid.NewGuid().ToString()}", SocketEvents.Connected | SocketEvents.Disconnected))
                                    {
                                        socket.Options.Identity = System.Text.Encoding.ASCII.GetBytes(Guid.NewGuid().ToString().Replace("-", "").ToLowerInvariant());

                                        socket.ReceiveReady += (sender, e) =>
                                        {
                                            try
                                            {
                                                var netmqMessage = new NetMQMessage();
                                                if (e.Socket.TryReceiveMultipartMessage(ref netmqMessage))
                                                {
                                                    var message = netmqMessage.ToMessage();

                                                    this.ForwarderDevice.OnBackendReceived(message);

                                                    this.ForwarderDevice.frontendBuffer.Enqueue(message);
                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                this.ForwarderDevice.OnDiagnosticMessage(ex.Message + ": " + ex.StackTrace);
                                            }
                                        };

                                        this.BackendBuffer.ReceiveReady += (sender, e) =>
                                        {
                                            try
                                            {
                                                while (this.BackendBuffer.TryDequeue(out TransportMessage message, TimeSpan.Zero))
                                                {
                                                    this.ForwarderDevice.OnFrontendForwarded(message);

                                                    this.ForwarderDevice.OnDiagnosticMessage("Forwarding message to " + this.Endpoint.ToConnectionString());
                                                    if (!socket.TrySendMultipartMessage(TimeSpan.FromSeconds(1), message.ToNetMQMessage()))
                                                    {
                                                        this.ForwarderDevice.OnDiagnosticMessage("Failed to send message");
                                                    }
                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                this.ForwarderDevice.OnDiagnosticMessage(ex.Message + ": " + ex.StackTrace);
                                            }
                                        };

                                        monitor.Connected += (sender, e) =>
                                        {
                                            this.ForwarderDevice.OnDiagnosticMessage($"Dealer socket conntected to {this.Endpoint.ToConnectionString()}");
                                            this.IsConnected = true;
                                        };
                                        monitor.Disconnected += (sender, e) =>
                                        {
                                            this.ForwarderDevice.OnDiagnosticMessage($"Dealer socket disconntected from {this.Endpoint.ToConnectionString()}");
                                            this.IsConnected = false;
                                        };

                                        this.ForwarderDevice.OnDiagnosticMessage($"Attempting to connect to {this.Endpoint.ToConnectionString()}");
                                        monitor.StartAsync();
                                        monitor.AttachToPoller(poller);

                                        var pollerTask = new Task(poller.Run);
                                        pollerTask.ContinueWith((Task task) =>
                                        {
                                            var ex = task.Exception;

                                            this.ForwarderDevice.OnDiagnosticMessage(ex.Message + ": " + ex.StackTrace);
                                            this.IsConnected = false;
                                        }, TaskContinuationOptions.OnlyOnFaulted);
                                        pollerTask.Start();

                                        socket.Connect(this.Endpoint.ToConnectionString());

                                        var start = DateTime.Now;
                                        while (!this.IsConnected)
                                        {
                                            if ((DateTime.Now - start).TotalMilliseconds > 5000)
                                            {
                                                throw new Exception($"Connection timeout [{this.ServiceName}]");
                                            }

                                            await Task.Delay(1000);
                                        }

                                        while (this.IsConnected && this.IsRunning)
                                        {
                                            await Task.Delay(1000);
                                        }

                                        this.ForwarderDevice.OnDiagnosticMessage("Closing dealer socket...");
                                        poller.StopAsync();
                                        socket.Disconnect(this.Endpoint.ToConnectionString());
                                        monitor.DetachFromPoller();
                                        monitor.Stop();

                                        this.IsConnected = false;
                                    }

                        if (this.IsRunning)
                        {
                            await Task.Delay(1000);
                        }
                    }
                    catch (Exception ex)
                    {
                        this.ForwarderDevice.OnDiagnosticMessage(ex.Message + ": " + ex.StackTrace);
                    }
                }
            }
Example #28
0
        public void InprocRouterDealerTest()
        {
            // The main thread simply starts several clients and a server, and then
            // waits for the server to finish.
            var readyMsg    = Encoding.UTF8.GetBytes("RDY");
            var freeWorkers = new Queue <byte[]>();

            using (var backendsRouter = new RouterSocket())
            {
                backendsRouter.Options.Identity = Guid.NewGuid().ToByteArray();
                backendsRouter.Bind("inproc://backend");

                backendsRouter.ReceiveReady += (o, e) =>
                {
                    // Handle worker activity on backend
                    while (e.Socket.HasIn)
                    {
                        var msg      = e.Socket.ReceiveMultipartMessage();
                        var idRouter = msg.Pop();
                        // forget the empty frame
                        if (msg.First.IsEmpty)
                        {
                            msg.Pop();
                        }

                        var id = msg.Pop();
                        if (msg.First.IsEmpty)
                        {
                            msg.Pop();
                        }

                        if (msg.FrameCount == 1)
                        {
                            // worker send RDY message queue his Identity to the free workers queue
                            if (readyMsg[0] == msg[0].Buffer[0] &&
                                readyMsg[1] == msg[0].Buffer[1] &&
                                readyMsg[2] == msg[0].Buffer[2])
                            {
                                lock (freeWorkers)
                                {
                                    freeWorkers.Enqueue(id.Buffer);
                                }
                            }
                        }
                    }
                };

                using (var poller = new NetMQPoller {
                    backendsRouter
                })
                {
                    for (int i = 0; i < 2; i++)
                    {
                        ParameterizedThreadStart threadMmethod = state =>
                        {
                            byte[] routerId = (byte[])state;
                            byte[] workerId = Guid.NewGuid().ToByteArray();
                            using (var workerSocket = new DealerSocket())
                            {
                                workerSocket.Options.Identity = workerId;
                                workerSocket.Connect("inproc://backend");

                                var workerReadyMsg = new NetMQMessage();
                                workerReadyMsg.Append(workerId);
                                workerReadyMsg.AppendEmptyFrame();
                                workerReadyMsg.Append(readyMsg);
                                workerSocket.SendMultipartMessage(workerReadyMsg);
                                Thread.Sleep(1000);
                            }
                        };

                        var workerThread = new Thread(threadMmethod)
                        {
                            IsBackground = true,
                            Name         = "worker" + i
                        };

                        workerThread.Start(backendsRouter.Options.Identity);
                    }

                    poller.RunAsync();
                    Thread.Sleep(1000);
                    poller.Stop();
                    Assert.AreEqual(2, freeWorkers.Count);
                }
            }
        }
Example #29
0
        /// <summary>
        /// Tries to connect to the QDMS server.
        /// </summary>
        public void Connect()
        {
            Dispose();

            _context      = NetMQContext.Create();
            _reqSocket    = _context.CreateDealerSocket();
            _subSocket    = _context.CreateSubscriberSocket();
            _dealerSocket = _context.CreateSocket(ZmqSocketType.Dealer);

            _reqSocket.Options.Identity    = Encoding.UTF8.GetBytes(_name);
            _subSocket.Options.Identity    = Encoding.UTF8.GetBytes(_name);
            _dealerSocket.Options.Identity = Encoding.UTF8.GetBytes(_name);

            _dealerSocket.ReceiveReady += _dealerSocket_ReceiveReady;
            _reqSocket.ReceiveReady    += _reqSocket_ReceiveReady;
            _subSocket.ReceiveReady    += _subSocket_ReceiveReady;

            _reqSocket.Connect(string.Format("tcp://{0}:{1}", _host, _realTimeRequestPort));

            //start off by sending a ping to make sure everything is regular
            string reply = "";

            try
            {
                _reqSocket.SendMore("");
                _reqSocket.Send("PING");

                _reqSocket.ReceiveString(TimeSpan.FromSeconds(1)); //empty frame starts the REP message //todo receive string?
                reply = _reqSocket.ReceiveString(TimeSpan.FromMilliseconds(50));
            }
            catch
            {
                Dispose();
            }


            if (reply != "PONG") //server didn't reply or replied incorrectly
            {
                _reqSocket.Disconnect(string.Format("tcp://{0}:{1}", _host, _realTimeRequestPort));
                _reqSocket.Close();
                {
                    RaiseEvent(Error, this, new ErrorArgs(-1, "Could not connect to server."));
                    return;
                }
            }

            _lastHeartBeat = DateTime.Now;
            _subSocket.Connect(string.Format("tcp://{0}:{1}", _host, _realTimePublishPort));
            _dealerSocket.Connect(string.Format("tcp://{0}:{1}", _host, _historicalDataPort));

            _running = true;

            //this loop sends out historical data requests and receives the data
            _dealerLoopThread = new Thread(DealerLoop)
            {
                Name = "Client Dealer Loop"
            };
            _dealerLoopThread.Start();

            //this loop takes care of replies to the request socket: heartbeats and data request status messages
            _poller = new Poller();
            _poller.AddSocket(_reqSocket);
            _poller.AddSocket(_subSocket);
            _poller.AddSocket(_dealerSocket);
            Task.Factory.StartNew(_poller.Start, TaskCreationOptions.LongRunning);

            _heartBeatTimer          = new Timer(1000);
            _heartBeatTimer.Elapsed += _timer_Elapsed;
            _heartBeatTimer.Start();
        }
Example #30
0
        public void Connect(Guid from, string endpoint)
        {
            if (_connected)
            {
                throw new InvalidOperationException("Already connected");
            }

            // Set our own identity on the socket so that receiving node
            // knows who each message came from. Note that we cannot use
            // the UUID directly as the identity since it may contain a
            // zero byte at the start, which libzmq does not like for
            // historical and arguably bogus reasons that it nonetheless
            // enforces.
            var identity = new byte[ZreConstants.ZreUuidLength];
            identity[0] = 1;
            Array.Copy(from.ToByteArray(), 0, identity, 1, 16);

            _mailbox = _context.CreateDealerSocket();
            _mailbox.Options.Identity = identity;

            // Set a high-water mark that allows for reasonable activity
            _mailbox.Options.ReceiveHighWatermark = ZreConstants.PeerExpired * 100;
            _mailbox.Options.SendHighWatermark = ZreConstants.PeerExpired * 100;

            try
            {
                _mailbox.Connect(endpoint);
                _endpoint = endpoint;
                _connected = true;
                _ready = false;
            }
            catch (Exception)
            {
                Trace.WriteLine(
                    string.Format(
                        "({0}) cannot connect to endpoint {1}",
                        _origin,
                        endpoint));
            }

            if (_verbose)
            {
                Trace.WriteLine(
                    string.Format(
                        "({0}) connected to peer: endpoint {1}",
                        _origin,
                        endpoint));
            }
        }
Example #31
0
 public Client(string address)
 {
     client = new DealerSocket();
     client.Connect(address);
 }