public Subscribe ( byte topic ) : void | ||
topic | byte | this specifies what byte-array prefix to subscribe to |
return | void |
/* ===================== * UNITY PLAYER EVENT HOOKS * ===================== */ // Function called when Unity Player is loaded. public IEnumerator Start() { // Check if the program should use CLI arguments (with defaults) if (!Application.isEditor) { pose_host = GetArg("-pose-host", pose_host_default); video_host = GetArg("-video-host", video_host_default); } // Init simple splash screen Text text_obj = splashScreen.GetComponentInChildren <Text>(true); text_obj.text = "FlightGoggles Simulation Environment" + Environment.NewLine + flight_goggles_version + Environment.NewLine + Environment.NewLine + "Waiting for client connection..." + Environment.NewLine + Environment.NewLine + "Pose input socket:" + Environment.NewLine + pose_host + Environment.NewLine + Environment.NewLine + "Video output socket:" + Environment.NewLine + video_host; splashScreen.SetActive(true); // Fixes for Unity/NetMQ conflict stupidity. AsyncIO.ForceDotNet.Force(); socket_lock = new object(); // Connect sockets Debug.Log("Creating sockets."); pull_socket = new NetMQ.Sockets.SubscriberSocket(); pull_socket.Options.ReceiveHighWatermark = 90; pull_socket.Connect(pose_host); // Setup subscriptions. pull_socket.Subscribe("Pose"); push_socket = new NetMQ.Sockets.PublisherSocket(); push_socket.Connect(video_host); Debug.Log("Sockets bound."); // Initialize Internal State internal_state = new UnityState_t(); // Do not try to do any processing this frame so that we can render our splash screen. internal_state.screenSkipFrames = 1; // Wait until end of frame to transmit images while (true) { // Wait until all rendering + UI is done. // Blocks until the frame is rendered. yield return(new WaitForEndOfFrame()); // Check if this frame should be rendered. if (internal_state.readyToRender) { // Read the frame from the GPU backbuffer and send it via ZMQ. sendFrameOnWire(); } } }
void InstantiateSockets() { // Configure sockets Debug.Log("Configuring sockets."); pull_socket = new NetMQ.Sockets.SubscriberSocket(); pull_socket.Options.ReceiveHighWatermark = 90; // Setup subscriptions. pull_socket.Subscribe("Pose"); push_socket = new NetMQ.Sockets.PublisherSocket(); push_socket.Options.Linger = TimeSpan.Zero; // Do not keep unsent messages on hangup. }
public void MultipleSubscriptions() { using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub.Connect("tcp://127.0.0.1:" + port); sub.Subscribe("C"); sub.Subscribe("B"); sub.Subscribe("A"); sub.Subscribe("D"); sub.Subscribe("E"); Thread.Sleep(500); sub.Unsubscribe("C"); sub.Unsubscribe("B"); sub.Unsubscribe("A"); sub.Unsubscribe("D"); sub.Unsubscribe("E"); Thread.Sleep(500); } }
public void ConnectBothSockets() { using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { pub.Connect("pgm://224.0.0.1:5555"); sub.Connect("pgm://224.0.0.1:5555"); sub.Subscribe(""); pub.SendFrame("Hi"); bool more; Assert.AreEqual("Hi", sub.ReceiveFrameString(out more)); Assert.IsFalse(more); } }
public void init(string address, int port) { this.address = address; this.port = port; //create context context = NetMQContext.Create(); //create client client = context.CreateSubscriberSocket(); //subscribe (must be before Connect!) client.Subscribe(""); //connect client client.Connect("tcp://" + address + ":" + port); //add "getData" as callback client.ReceiveReady += getData; }
private void ReceiveInformation() { WWW www = new WWW(URL_RECV); string topic = room_id; using (var subSocket = new NetMQ.Sockets.SubscriberSocket()) { subSocket.Options.ReceiveHighWatermark = 1000; subSocket.Connect(URL_RECV); subSocket.Subscribe(topic); //Console.WriteLine("Subscriber socket connecting..."); while (true) { var messageTopicReceived = subSocket.ReceiveFrameString(); var messageReceived = subSocket.ReceiveFrameString(); //Debug.Log(messageReceived); PlayerJson[] players = JsonHelper.FromJson <PlayerJson>(messageReceived); foreach (var playerData in players) { bool found = false; for (int i = 0; i < submarines.Count && !found; ++i) { if (submarines[i].GetId() == playerData.id) { submarines[i].SetPositionX(playerData.pos_x); submarines[i].SetPositionY(playerData.pos_y); found = true; } } for (int i = 0; i < divers.Count && !found; ++i) { if (divers[i].GetId() == playerData.id) { divers[i].SetPositionX(playerData.pos_x); divers[i].SetPositionY(playerData.pos_y); found = true; } } } } } }
public void TopicPubSub() { using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub.Connect("tcp://127.0.0.1:" + port); sub.Subscribe("A"); // let the subscriber connect to the publisher before sending a message Thread.Sleep(500); pub.SendMoreFrame("A").SendFrame("Hello"); CollectionAssert.AreEqual( new[] {"A", "Hello"}, sub.ReceiveMultipartStrings()); } }
public void LargeMessage() { using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub.Connect("tcp://127.0.0.1:" + port); sub.Subscribe(""); Thread.Sleep(100); var msg = new byte[300]; pub.SendFrame(msg); byte[] msg2 = sub.ReceiveFrameBytes(); Assert.AreEqual(300, msg2.Length); } }
public void PubSub_Should_Not_Crash_If_No_Thread_Sleep() { NUnitUtils.PrintTestName(); var swAll = Stopwatch.StartNew(); using (var pub = new PublisherSocket()) { using (var sub = new SubscriberSocket()) { var freePort = NUnitUtils.TcpPortFree(); pub.Bind("tcp://127.0.0.1:" + freePort); sub.Connect("tcp://127.0.0.1:" + freePort); sub.Subscribe("*"); var sw = Stopwatch.StartNew(); { for (var i = 0; i < 50; i++) { pub.SendFrame("*"); // Ping. Console.Write("*"); string topic; var gotTopic = sub.TryReceiveFrameString(TimeSpan.FromMilliseconds(100), out topic); string ping; var gotPing = sub.TryReceiveFrameString(TimeSpan.FromMilliseconds(100), out ping); if (gotTopic) { Console.Write("\n"); break; } } } Console.WriteLine("Connected in {0} ms.", sw.ElapsedMilliseconds); } } NUnitUtils.PrintElapsedTime(swAll.Elapsed); }
public void MultipleLargeMessages() { var largeMessage = new byte[12000]; for (int i = 0; i < 12000; i++) { largeMessage[i] = (byte)(i % 256); } using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub.Connect("tcp://127.0.0.1:" + port); sub.Subscribe(""); Thread.Sleep(1000); pub.SendFrame(""); sub.SkipFrame(); for (int i = 0; i < 100; i++) { pub.SendFrame(largeMessage); byte[] recvMesage = sub.ReceiveFrameBytes(); for (int j = 0; j < 12000; j++) { Assert.AreEqual(largeMessage[j], recvMesage[j]); } } } }
public void Sending1000Messages() { // creating two different context and sending 1000 messages int count = 0; var subReady = new ManualResetEvent(false); Task subTask = Task.Factory.StartNew(() => { using (var sub = new SubscriberSocket()) { sub.Bind("pgm://224.0.0.1:5555"); sub.Subscribe(""); subReady.Set(); while (count < 1000) { bool more; Assert.AreEqual(count, BitConverter.ToInt32(sub.ReceiveFrameBytes(out more), 0)); Assert.IsFalse(more); count++; } } }); subReady.WaitOne(); Task pubTask = Task.Factory.StartNew(() => { using (var pub = new PublisherSocket()) { pub.Connect("pgm://224.0.0.1:5555"); for (int i = 0; i < 1000; i++) pub.SendFrame(BitConverter.GetBytes(i)); // if we close the socket before the subscriber receives all messages subscriber // might miss messages, lets wait another second Thread.Sleep(1000); } }); pubTask.Wait(); subTask.Wait(); Assert.AreEqual(1000, count); }
public void Test_Two_Subscribers() { NUnitUtils.PrintTestName(); var sw = Stopwatch.StartNew(); using (var pub = new PublisherSocket()) { using (var sub1 = new SubscriberSocket()) { using (var sub2 = new SubscriberSocket()) { var freePort = NUnitUtils.TcpPortFree(); pub.Bind("tcp://127.0.0.1:" + freePort); sub1.Connect("tcp://127.0.0.1:" + freePort); sub1.Subscribe("A"); sub2.Connect("tcp://127.0.0.1:" + freePort); sub2.Subscribe("B"); Thread.Sleep(500); var swInner = Stopwatch.StartNew(); { pub.SendFrame("A\n"); // Ping. { string topic; var pass1 = sub1.TryReceiveFrameString(TimeSpan.FromMilliseconds(250), out topic); if (pass1) { Console.Write(topic); } else { Assert.Fail(); } } pub.SendFrame("B\n"); // Ping. { string topic; var pass2 = sub2.TryReceiveFrameString(TimeSpan.FromMilliseconds(250), out topic); if (pass2) { Console.Write(topic); } else { Assert.Fail(); } } } Console.WriteLine("Connected in {0} ms.", swInner.ElapsedMilliseconds); } } } NUnitUtils.PrintElapsedTime(sw.Elapsed); }
public void SetPgmSettings() { const int MegaBit = 1024; const int MegaByte = 1024; using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { pub.Options.MulticastHops = 2; pub.Options.MulticastRate = 40*MegaBit; // 40 megabit pub.Options.MulticastRecoveryInterval = TimeSpan.FromMinutes(10); pub.Options.SendBuffer = MegaByte*10; // 10 megabyte pub.Connect("pgm://224.0.0.1:5555"); sub.Options.ReceiveBuffer = MegaByte*10; sub.Bind("pgm://224.0.0.1:5555"); sub.Subscribe(""); pub.SendFrame("Hi"); bool more; Assert.AreEqual("Hi", sub.ReceiveFrameString(out more)); Assert.IsFalse(more); Assert.AreEqual(2, pub.Options.MulticastHops); Assert.AreEqual(40*MegaBit, pub.Options.MulticastRate); Assert.AreEqual(TimeSpan.FromMinutes(10), pub.Options.MulticastRecoveryInterval); Assert.AreEqual(MegaByte*10, pub.Options.SendBuffer); Assert.AreEqual(MegaByte*10, sub.Options.ReceiveBuffer); } }
public void ClearWelcomeMessage() { using (var pub = new XPublisherSocket()) using (var sub = new SubscriberSocket()) { pub.Bind("inproc://welcome"); pub.SetWelcomeMessage("W"); pub.ClearWelcomeMessage(); sub.Subscribe("W"); sub.Connect("inproc://welcome"); var subscription = pub.ReceiveFrameBytes(); Assert.AreEqual(subscription[1], (byte)'W'); Assert.IsFalse(sub.TrySkipFrame()); } }
public void ThroughXPubXSubWithReconnectingPublisher() { using (var xpub = new XPublisherSocket()) using (var xsub = new XSubscriberSocket()) using (var poller = new NetMQPoller {xsub, xpub}) { var xPubPort = (ushort)xpub.BindRandomPort("tcp://*"); var xSubPort = (ushort)xsub.BindRandomPort("tcp://*"); var proxy = new Proxy(xsub, xpub, poller: poller); proxy.Start(); poller.RunAsync(); // long running subscriber using (var sub = new SubscriberSocket()) { sub.Connect(string.Format("tcp://localhost:{0}", xPubPort)); sub.Subscribe("A"); // publisher 1 using (var pub = new PublisherSocket()) { pub.Connect(string.Format("tcp://localhost:{0}", xSubPort)); // give the publisher a chance to learn of the subscription Thread.Sleep(100); pub.SendMoreFrame("A").SendFrame("1"); } // publisher 2 using (var pub = new PublisherSocket()) { pub.Connect(string.Format("tcp://localhost:{0}", xSubPort)); // give the publisher a chance to learn of the subscription Thread.Sleep(100); pub.SendMoreFrame("A").SendFrame("2"); } var frames = new List<string>(); Assert.True(sub.TryReceiveMultipartStrings(TimeSpan.FromSeconds(1), ref frames)); CollectionAssert.AreEqual(new[] { "A", "1" }, frames); Assert.True(sub.TryReceiveMultipartStrings(TimeSpan.FromSeconds(1), ref frames)); CollectionAssert.AreEqual(new[] { "A", "2" }, frames); } } }
public void ThroughXPubXSub() { using (var xpub = new XPublisherSocket()) using (var xsub = new XSubscriberSocket()) using (var proxyPoller = new NetMQPoller {xsub, xpub}) { var xPubPort = (ushort)xpub.BindRandomPort("tcp://*"); var xSubPort = (ushort)xsub.BindRandomPort("tcp://*"); var proxy = new Proxy(xsub, xpub, poller: proxyPoller); proxy.Start(); proxyPoller.RunAsync(); using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { // Client 1 sub.Connect(string.Format("tcp://localhost:{0}", xPubPort)); pub.Connect(string.Format("tcp://localhost:{0}", xSubPort)); sub.Subscribe("A"); // Client 2 Thread.Sleep(500); pub.SendMoreFrame("A").SendFrame("Hello"); var frames = new List<string>(); Assert.True(sub.TryReceiveMultipartStrings(TimeSpan.FromSeconds(1), ref frames)); CollectionAssert.AreEqual( new[] { "A", "Hello" }, frames); } } }
public void MultiplePublishersAndSubscribersOnSameTopic() { using (var pub1 = new PublisherSocket()) using (var pub2 = new PublisherSocket()) using (var sub1 = new SubscriberSocket()) using (var sub2 = new SubscriberSocket()) { int port1 = pub1.BindRandomPort("tcp://127.0.0.1"); int port2 = pub2.BindRandomPort("tcp://127.0.0.1"); sub1.Connect("tcp://127.0.0.1:" + port1); sub1.Connect("tcp://127.0.0.1:" + port2); sub2.Connect("tcp://127.0.0.1:" + port1); sub2.Connect("tcp://127.0.0.1:" + port2); // should subscribe to both sub1.Subscribe("A"); sub2.Subscribe("A"); Thread.Sleep(500); // Send from pub 1 pub1.SendMoreFrame("A").SendFrame("Hello from the first publisher"); CollectionAssert.AreEqual(new[] { "A", "Hello from the first publisher" }, sub1.ReceiveMultipartStrings()); CollectionAssert.AreEqual(new[] { "A", "Hello from the first publisher" }, sub2.ReceiveMultipartStrings()); // Send from pub 2 pub2.SendMoreFrame("A").SendFrame("Hello from the second publisher"); CollectionAssert.AreEqual(new[] { "A", "Hello from the second publisher" }, sub1.ReceiveMultipartStrings()); CollectionAssert.AreEqual(new[] { "A", "Hello from the second publisher" }, sub2.ReceiveMultipartStrings()); } }
public void LargerBufferLength() { var largerBuffer = new byte[256]; { largerBuffer[124] = 0xD; largerBuffer[125] = 0xE; largerBuffer[126] = 0xE; largerBuffer[127] = 0xD; } using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub.Connect("tcp://127.0.0.1:" + port); sub.Subscribe(""); Thread.Sleep(100); pub.SendFrame(largerBuffer, 128); byte[] recvMesage = sub.ReceiveFrameBytes(); Assert.AreEqual(128, recvMesage.Length); Assert.AreEqual(0xD, recvMesage[124]); Assert.AreEqual(0xE, recvMesage[125]); Assert.AreEqual(0xE, recvMesage[126]); Assert.AreEqual(0xD, recvMesage[127]); Assert.AreNotEqual(largerBuffer.Length, recvMesage.Length); } }
public void UseInterface() { #if NETCOREAPP1_0 var hostEntry = Dns.GetHostEntryAsync(Dns.GetHostName()).Result; #else var hostEntry = Dns.GetHostEntry(Dns.GetHostName()); #endif string ip = hostEntry.AddressList .Where(addr => addr.AddressFamily == AddressFamily.InterNetwork) .Select(addr => addr.ToString()) .FirstOrDefault(); using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { pub.Connect($"pgm://{ip};224.0.0.1:5555"); sub.Bind($"pgm://{ip};224.0.0.1:5555"); sub.Subscribe(""); pub.SendFrame("Hi"); bool more; Assert.AreEqual("Hi", sub.ReceiveFrameString(out more)); Assert.IsFalse(more); } }
public void ReceiveMessageWithTimeout() { { var pubSync = new AutoResetEvent(false); var payload = new byte[300]; const int waitTime = 500; var t1 = new Task(() => { using (var pubSocket = new PublisherSocket()) { pubSocket.Bind("tcp://127.0.0.1:12345"); pubSync.WaitOne(); Thread.Sleep(waitTime); pubSocket.SendFrame(payload); pubSync.WaitOne(); } }, TaskCreationOptions.LongRunning); var t2 = new Task(() => { using (var subSocket = new SubscriberSocket()) { subSocket.Connect("tcp://127.0.0.1:12345"); subSocket.Subscribe(""); Thread.Sleep(100); pubSync.Set(); NetMQMessage msg = null; Assert.IsFalse(subSocket.TryReceiveMultipartMessage(TimeSpan.FromMilliseconds(100), ref msg)); Assert.IsTrue(subSocket.TryReceiveMultipartMessage(TimeSpan.FromMilliseconds(waitTime), ref msg)); Assert.NotNull(msg); Assert.AreEqual(1, msg.FrameCount); Assert.AreEqual(300, msg.First.MessageSize); pubSync.Set(); } }, TaskCreationOptions.LongRunning); t1.Start(); t2.Start(); Task.WaitAll(t1, t2); } }
public void MultipleSubscribersOnDifferentTopics() { using (var pub = new PublisherSocket()) using (var sub1 = new SubscriberSocket()) using (var sub2 = new SubscriberSocket()) { var port = pub.BindRandomPort("tcp://127.0.0.1"); sub1.Connect("tcp://127.0.0.1:" + port); sub2.Connect("tcp://127.0.0.1:" + port); sub1.Subscribe("1"); sub1.Subscribe("1&2"); sub2.Subscribe("2"); sub2.Subscribe("1&2"); Thread.Sleep(500); pub.SendMoreFrame("1").SendFrame("A"); CollectionAssert.AreEqual(new[] { "1", "A" }, sub1.ReceiveMultipartStrings()); Assert.IsFalse(sub2.TrySkipFrame()); pub.SendMoreFrame("2").SendFrame("B"); Assert.IsFalse(sub1.TrySkipFrame()); CollectionAssert.AreEqual(new[] { "2", "B" }, sub2.ReceiveMultipartStrings()); pub.SendMoreFrame("1&2").SendFrame("C"); CollectionAssert.AreEqual(new[] { "1&2", "C" }, sub1.ReceiveMultipartStrings()); CollectionAssert.AreEqual(new[] { "1&2", "C" }, sub2.ReceiveMultipartStrings()); } }
public void LargeMessage() { using (var pub = new PublisherSocket()) using (var sub = new SubscriberSocket()) { pub.Connect("pgm://224.0.0.1:5555"); sub.Bind("pgm://224.0.0.1:5555"); sub.Subscribe(""); var data = new byte[3200]; // this should be at least 3 packets for (Int16 i = 0; i < 1600; i++) Array.Copy(BitConverter.GetBytes(i), 0, data, i*2, 2); pub.SendFrame(data); byte[] message = sub.ReceiveFrameBytes(); Assert.AreEqual(3200, message.Length); for (Int16 i = 0; i < 1600; i++) Assert.AreEqual(i, BitConverter.ToInt16(message, i*2)); } }