Examples with MessagingQos io.joynr.messaging.MessagingQos used on opensource projects

Example 6 with MessagingQos

use of io.joynr.messaging.MessagingQos in project joynr by bmwcarit.

the class MyRadioConsumerApplication method run.

@SuppressWarnings("checkstyle:methodlength")
@Override
public void run() {
    DiscoveryQos discoveryQos = new DiscoveryQos();
    // As soon as the arbitration QoS is set on the proxy builder, discovery of suitable providers
    // is triggered. If the discovery process does not find matching providers within the
    // arbitration timeout duration it will be terminated and you will get an arbitration exception.
    discoveryQos.setDiscoveryTimeoutMs(10000);
    discoveryQos.setDiscoveryScope(discoveryScope);
    // Provider entries in the global capabilities directory are cached locally. Discovery will
    // consider entries in this cache valid if they are younger as the max age of cached
    // providers as defined in the QoS. All valid entries will be processed by the arbitrator when searching
    // for and arbitrating the "best" matching provider.
    // NOTE: Valid cache entries might prevent triggering a lookup in the global capabilities
    // directory. Therefore, not all providers registered with the global capabilities
    // directory might be taken into account during arbitration.
    discoveryQos.setCacheMaxAgeMs(Long.MAX_VALUE);
    // The discovery process outputs a list of matching providers. The arbitration strategy then
    // chooses one or more of them to be used by the proxy.
    discoveryQos.setArbitrationStrategy(ArbitrationStrategy.HighestPriority);
    // The provider will maintain at least a minimum interval idle time in milliseconds between
    // successive notifications, even if on-change notifications are enabled and the value changes more
    // often. This prevents the consumer from being flooded by updated values. The filtering happens on
    // the provider's side, thus also preventing excessive network traffic.
    int minInterval_ms = 0;
    // The provider will send notifications every maximum interval in milliseconds, even if the value didn't
    // change. It will send notifications more often if on-change notifications are enabled,
    // the value changes more often, and the minimum interval QoS does not prevent it. The maximum interval
    // can thus be seen as a sort of heart beat.
    int maxInterval_ms = 10000;
    // The provider will send notifications until the end date is reached. The consumer will not receive any
    // notifications (neither value notifications nor missed publication notifications) after
    // this date.
    long validityMs = 60000;
    // If no notification was received within the last alert interval, a missed publication
    // notification will be raised.
    int alertAfterInterval_ms = 20000;
    // Notification messages will be sent with this time-to-live. If a notification message can not be
    // delivered within its TTL, it will be deleted from the system.
    // NOTE: If a notification message is not delivered due to an expired TTL, it might raise a
    // missed publication notification (depending on the value of the alert interval QoS).
    int publicationTtl_ms = 5000;
    OnChangeWithKeepAliveSubscriptionQos subscriptionQos = new OnChangeWithKeepAliveSubscriptionQos();
    subscriptionQos.setMinIntervalMs(minInterval_ms).setMaxIntervalMs(maxInterval_ms).setValidityMs(validityMs);
    subscriptionQos.setAlertAfterIntervalMs(alertAfterInterval_ms).setPublicationTtlMs(publicationTtl_ms);
    ProxyBuilder<RadioProxy> proxyBuilder = runtime.getProxyBuilder(providerDomain, RadioProxy.class);
    try {
        // getting an attribute
        radioProxy = proxyBuilder.setMessagingQos(new MessagingQos()).setDiscoveryQos(discoveryQos).build();
        RadioStation currentStation = radioProxy.getCurrentStation();
        LOG.info(PRINT_BORDER + "ATTRIBUTE GET: current station: " + currentStation + PRINT_BORDER);
        // subscribe to an attribute
        subscriptionFutureCurrentStation = radioProxy.subscribeToCurrentStation(new AttributeSubscriptionAdapter<RadioStation>() {

            @Override
            public void onReceive(RadioStation value) {
                LOG.info(PRINT_BORDER + "ATTRIBUTE SUBSCRIPTION: current station: " + value + PRINT_BORDER);
            }

            @Override
            public void onError(JoynrRuntimeException error) {
                LOG.info(PRINT_BORDER + "ATTRIBUTE SUBSCRIPTION: " + error + PRINT_BORDER);
            }
        }, subscriptionQos);
        // broadcast subscription
        // The provider will send a notification whenever the value changes.
        MulticastSubscriptionQos weakSignalBroadcastSubscriptionQos;
        // The consumer will be subscribed to the multicast until the end date is reached, after which the
        // consumer will be automatically unsubscribed, and will not receive any further notifications
        // this date.
        long wsbValidityMs = 60 * 1000;
        weakSignalBroadcastSubscriptionQos = new MulticastSubscriptionQos();
        weakSignalBroadcastSubscriptionQos.setValidityMs(wsbValidityMs);
        weakSignalFuture = subscribeToWeakSignal(weakSignalBroadcastSubscriptionQos);
        // susbcribe to weak signal with partition "GERMANY"
        weakSignalWithPartitionFuture = subscribeToWeakSignal(weakSignalBroadcastSubscriptionQos, "GERMANY");
        // selective broadcast subscription
        OnChangeSubscriptionQos newStationDiscoveredBroadcastSubscriptionQos;
        int nsdbMinIntervalMs = 2 * 1000;
        long nsdbValidityMs = 180 * 1000;
        int nsdbPublicationTtlMs = 5 * 1000;
        newStationDiscoveredBroadcastSubscriptionQos = new OnChangeSubscriptionQos();
        newStationDiscoveredBroadcastSubscriptionQos.setMinIntervalMs(nsdbMinIntervalMs).setValidityMs(nsdbValidityMs).setPublicationTtlMs(nsdbPublicationTtlMs);
        NewStationDiscoveredBroadcastFilterParameters newStationDiscoveredBroadcastFilterParams = new NewStationDiscoveredBroadcastFilterParameters();
        newStationDiscoveredBroadcastFilterParams.setHasTrafficService("true");
        // Munich
        GeoPosition positionOfInterest = new GeoPosition(48.1351250, 11.5819810);
        String positionOfInterestJson = null;
        try {
            positionOfInterestJson = objectMapper.writeValueAsString(positionOfInterest);
        } catch (JsonProcessingException e1) {
            LOG.error("Unable to write position of interest filter parameter to JSON", e1);
        }
        newStationDiscoveredBroadcastFilterParams.setPositionOfInterest(positionOfInterestJson);
        // 200 km
        newStationDiscoveredBroadcastFilterParams.setRadiusOfInterestArea("200000");
        radioProxy.subscribeToNewStationDiscoveredBroadcast(new RadioBroadcastInterface.NewStationDiscoveredBroadcastAdapter() {

            @Override
            public void onReceive(RadioStation discoveredStation, GeoPosition geoPosition) {
                LOG.info(PRINT_BORDER + "BROADCAST SUBSCRIPTION: new station discovered: " + discoveredStation + " at " + geoPosition + PRINT_BORDER);
            }
        }, newStationDiscoveredBroadcastSubscriptionQos, newStationDiscoveredBroadcastFilterParams);
        boolean success;
        try {
            // add favorite radio station
            RadioStation favoriteStation = new RadioStation("99.3 The Fox Rocks", false, Country.CANADA);
            success = radioProxy.addFavoriteStation(favoriteStation);
            LOG.info(PRINT_BORDER + "METHOD: added favorite station: " + favoriteStation + ": " + success + PRINT_BORDER);
            success = radioProxy.addFavoriteStation(favoriteStation);
        } catch (ApplicationException exception) {
            AddFavoriteStationErrorEnum error = exception.getError();
            switch(error) {
                case DUPLICATE_RADIOSTATION:
                    LOG.info(PRINT_BORDER + "METHOD: addFavoriteStation failed with the following excpected error: " + error);
                    break;
                default:
                    LOG.error(PRINT_BORDER + "METHOD: addFavoriteStation failed with an unexpected error: " + error);
                    break;
            }
        }
        try {
            // add favorite radio station
            RadioStation favoriteStation = new RadioStation("", false, Country.GERMANY);
            success = radioProxy.addFavoriteStation(favoriteStation);
            LOG.info(PRINT_BORDER + "METHOD: addFavoriteStation completed unexpected with the following output: " + success);
        } catch (ApplicationException exception) {
            String errorName = exception.getError().name();
            LOG.info(PRINT_BORDER + "METHOD: addFavoriteStation failed with the following unexpected ApplicationExcecption: " + errorName);
        } catch (ProviderRuntimeException exception) {
            String errorName = exception.getMessage();
            String expectation = errorName.equals(MyRadioProvider.MISSING_NAME) ? "expected" : "unexpected";
            LOG.info(PRINT_BORDER + "METHOD: addFavoriteStation failed with the following " + expectation + " exception: " + errorName);
        }
        // shuffle the stations
        radioProxy.shuffleStations();
        currentStation = radioProxy.getCurrentStation();
        LOG.info(PRINT_BORDER + "The current radio station after shuffling is: " + currentStation + PRINT_BORDER);
        // add favorite radio station async
        RadioStation radioStation = new RadioStation("99.4 AFN", false, Country.GERMANY);
        Future<Boolean> future = radioProxy.addFavoriteStation(new CallbackWithModeledError<Boolean, AddFavoriteStationErrorEnum>() {

            @Override
            public void onSuccess(Boolean result) {
                LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station: callback onSuccess" + PRINT_BORDER);
            }

            @Override
            public void onFailure(JoynrRuntimeException error) {
                LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station: callback onFailure: " + error.getMessage() + PRINT_BORDER);
            }

            @Override
            public void onFailure(AddFavoriteStationErrorEnum errorEnum) {
                switch(errorEnum) {
                    case DUPLICATE_RADIOSTATION:
                        LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station failed: Duplicate Station!" + PRINT_BORDER);
                        break;
                    default:
                        LOG.error(PRINT_BORDER + "ASYNC METHOD: added favorite station failed: unknown errorEnum:" + errorEnum + PRINT_BORDER);
                        break;
                }
                LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station: callback onFailure: " + errorEnum + PRINT_BORDER);
            }
        }, radioStation);
        try {
            long timeoutInMilliseconds = 8000;
            Boolean reply = future.get(timeoutInMilliseconds);
            LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station: " + radioStation + ": " + reply + PRINT_BORDER);
        } catch (InterruptedException | JoynrRuntimeException | ApplicationException e) {
            LOG.info(PRINT_BORDER + "ASYNC METHOD: added favorite station: " + radioStation + ": " + e.getClass().getSimpleName() + "!");
        }
        ConsoleReader console;
        try {
            console = new ConsoleReader();
            int key;
            while ((key = console.readCharacter()) != 'q') {
                switch(key) {
                    case 's':
                        radioProxy.shuffleStations();
                        LOG.info("called shuffleStations");
                        break;
                    case 'm':
                        GetLocationOfCurrentStationReturned locationOfCurrentStation = radioProxy.getLocationOfCurrentStation();
                        LOG.info("called getLocationOfCurrentStation. country: " + locationOfCurrentStation.country + ", location: " + locationOfCurrentStation.location);
                        break;
                    default:
                        LOG.info("\n\nUSAGE press\n" + " q\tto quit\n" + " s\tto shuffle stations\n");
                        break;
                }
            }
        } catch (IOException e) {
            LOG.error("error reading input from console", e);
        }
    } catch (DiscoveryException e) {
        LOG.error("No provider found", e);
    } catch (JoynrCommunicationException e) {
        LOG.error("The message was not sent: ", e);
    }
}

Example 7 with MessagingQos

use of io.joynr.messaging.MessagingQos in project joynr by bmwcarit.

the class JoynrAndroidExampleApplication method createProxy.

public void createProxy() {
    if (runtime == null) {
        logger.error("runtime has not been initialized!");
        logToOutput("runtime has not been initialized!\n");
    }
    logToOutput("Creating joynr GPS proxy and requesting location...\n");
    // 2 minutes ttl
    MessagingQos messagingQos = new MessagingQos(2 * 60 * 1000);
    DiscoveryQos discoveryQos = new // 30 second timeout to find a provider
    DiscoveryQos(// 30 second timeout to find a provider
    30 * 1000, ArbitrationStrategy.HighestPriority, Integer.MAX_VALUE, DiscoveryScope.LOCAL_ONLY);
    try {
        ProxyBuilder<GpsProxy> builder = runtime.getProxyBuilder(PROVIDER_DOMAIN, GpsProxy.class);
        builder.setDiscoveryQos(discoveryQos).setMessagingQos(messagingQos).build(new ProxyBuilder.ProxyCreatedCallback<GpsProxy>() {

            @Override
            public void onProxyCreationFinished(GpsProxy newProxy) {
                logToOutput("Proxy created");
                proxy = newProxy;
            }

            @Override
            public void onProxyCreationError(JoynrRuntimeException error) {
                logToOutput("Error during proxy creation: " + error.getMessage() + "\n");
            }
        });
    } catch (Exception e) {
        logToOutput("ERROR: create proxy failed: " + e.getMessage() + "\n");
        logger.error("create proxy failed: ", e);
    }
}

Example 8 with MessagingQos

use of io.joynr.messaging.MessagingQos in project joynr by bmwcarit.

the class SubscriptionManagerImpl method registerSubscription.

private void registerSubscription(String fromParticipantId, Set<DiscoveryEntryWithMetaInfo> toDiscoveryEntries, SubscriptionInvocation subscriptionInvocation, RegisterDataAndCreateSubscriptionRequest registerDataAndCreateSubscriptionRequest) {
    if (!subscriptionInvocation.hasSubscriptionId()) {
        subscriptionInvocation.setSubscriptionId(UUID.randomUUID().toString());
    }
    String subscriptionId = subscriptionInvocation.getSubscriptionId();
    subscriptionFutureMap.put(subscriptionId, subscriptionInvocation.getFuture());
    registerSubscription(subscriptionInvocation.getQos(), subscriptionId);
    SubscriptionRequest subscriptionRequest = registerDataAndCreateSubscriptionRequest.execute();
    MessagingQos messagingQos = new MessagingQos();
    SubscriptionQos qos = subscriptionRequest.getQos();
    if (qos.getExpiryDateMs() == SubscriptionQos.NO_EXPIRY_DATE) {
        messagingQos.setTtl_ms(SubscriptionQos.INFINITE_SUBSCRIPTION);
    } else {
        messagingQos.setTtl_ms(qos.getExpiryDateMs() - System.currentTimeMillis());
    }
    dispatcher.sendSubscriptionRequest(fromParticipantId, toDiscoveryEntries, subscriptionRequest, messagingQos);
}

Example 9 with MessagingQos

use of io.joynr.messaging.MessagingQos in project joynr by bmwcarit.

the class ConnectorTest method setUp.

@Before
public void setUp() {
    MockitoAnnotations.initMocks(this);
    fromParticipantId = "fromParticipantId";
    toParticipantId = "toParticipantId";
    toDiscoveryEntry = new DiscoveryEntryWithMetaInfo();
    toDiscoveryEntry.setParticipantId(toParticipantId);
    toDiscoveryEntries = Sets.newHashSet(toDiscoveryEntry);
    qosSettings = new MessagingQos();
}

Example 10 with MessagingQos

use of io.joynr.messaging.MessagingQos in project joynr by bmwcarit.

the class ProxyTest method setUp.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Before
public void setUp() throws Exception {
    navigationProxyCreatedSemaphore = new Semaphore(0);
    navigationProxyCreatedCallback = new ProxyCreatedCallback<NavigationProxy>() {

        @Override
        public void onProxyCreationFinished(NavigationProxy result) {
            navigationProxyCreatedSemaphore.release();
        }

        @Override
        public void onProxyCreationError(JoynrRuntimeException error) {
            fail("Navigation proxy creation failed: " + error);
        }
    };
    testInterfaceProxyCreatedSemaphore = new Semaphore(0);
    testInterfaceProxyCreatedCallback = new ProxyCreatedCallback<TestInterface>() {

        @Override
        public void onProxyCreationFinished(TestInterface result) {
            testInterfaceProxyCreatedSemaphore.release();
        }

        @Override
        public void onProxyCreationError(JoynrRuntimeException error) {
            fail("TestInterface proxy creation failed: " + error);
        }
    };
    domain = "TestDomain";
    fromParticipantId = "ProxyTestFromParticipantId";
    toParticipantId = "ProxyTestToParticipantId";
    toDiscoveryEntry = new DiscoveryEntryWithMetaInfo(new Version(47, 11), domain, TestInterface.INTERFACE_NAME, toParticipantId, new ProviderQos(), System.currentTimeMillis(), System.currentTimeMillis() + ONE_MINUTE_IN_MS, "publicKeyId", true);
    toDiscoveryEntries = new HashSet<DiscoveryEntryWithMetaInfo>();
    toDiscoveryEntries.add(toDiscoveryEntry);
    MockitoAnnotations.initMocks(this);
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            requestStaticInjection(RpcUtils.class);
            bind(ReplyCallerDirectory.class).toInstance(replyCallerDirectory);
            bind(RequestReplyManager.class).toInstance(requestReplyManager);
            bind(SubscriptionManager.class).toInstance(subscriptionManager);
            bind(MessageRouter.class).toInstance(messageRouter);
            bind(RoutingTable.class).toInstance(routingTable);
            install(new FactoryModuleBuilder().implement(ProxyInvocationHandler.class, ProxyInvocationHandlerImpl.class).build(ProxyInvocationHandlerFactory.class));
        }

        @Provides
        @Singleton
        @Named(SystemServicesSettings.PROPERTY_DISPATCHER_ADDRESS)
        Address getDispatcherAddress() {
            return new InProcessAddress();
        }
    });
    proxyBuilderFactory = new ProxyBuilderFactoryImpl(localDiscoveryAggregator, injector.getInstance(ProxyInvocationHandlerFactory.class), MAX_TTL_MS, DISCOVERY_TIMEOUT_MS, RETRY_INTERVAL_MS);
    Mockito.doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) {
            Object[] args = invocation.getArguments();
            DiscoveryEntryWithMetaInfo[] fakeCapabilitiesResult = { toDiscoveryEntry };
            ((Callback) args[0]).resolve((Object) fakeCapabilitiesResult);
            return null;
        }
    }).when(localDiscoveryAggregator).lookup(Mockito.<Callback>any(), Mockito.<String[]>any(), Mockito.<String>any(), Mockito.<joynr.types.DiscoveryQos>any());
    Mockito.doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) {
            Object[] args = invocation.getArguments();
            AttributeSubscribeInvocation request = (AttributeSubscribeInvocation) args[2];
            if (request.getSubscriptionId() == null) {
                request.setSubscriptionId(UUID.randomUUID().toString());
            }
            request.getFuture().resolve(request.getSubscriptionId());
            return null;
        }
    }).when(subscriptionManager).registerAttributeSubscription(any(String.class), eq(Sets.newHashSet(toDiscoveryEntry)), Mockito.any(AttributeSubscribeInvocation.class));
    Mockito.doAnswer(new // TODO simulate resolve here ! subscription reply bastern ... handle subscriptionreply ausführen..
    Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) {
            Object[] args = invocation.getArguments();
            BroadcastSubscribeInvocation request = (BroadcastSubscribeInvocation) args[2];
            if (request.getSubscriptionId() == null) {
                request.setSubscriptionId(UUID.randomUUID().toString());
            }
            request.getFuture().resolve(request.getSubscriptionId());
            return null;
        }
    }).when(subscriptionManager).registerBroadcastSubscription(any(String.class), eq(Sets.newHashSet(toDiscoveryEntry)), Mockito.any(BroadcastSubscribeInvocation.class));
    Mockito.doAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) {
            Object[] args = invocation.getArguments();
            MulticastSubscribeInvocation request = (MulticastSubscribeInvocation) args[2];
            if (request.getSubscriptionId() == null) {
                request.setSubscriptionId(UUID.randomUUID().toString());
            }
            request.getFuture().resolve(request.getSubscriptionId());
            return null;
        }
    }).when(subscriptionManager).registerMulticastSubscription(any(String.class), eq(Sets.newHashSet(toDiscoveryEntry)), Mockito.any(MulticastSubscribeInvocation.class));
    discoveryQos = new DiscoveryQos(10000, ArbitrationStrategy.HighestPriority, Long.MAX_VALUE);
    messagingQos = new MessagingQos();
    doAnswer(new Answer<Set<DiscoveryEntryWithMetaInfo>>() {

        @Override
        public Set<DiscoveryEntryWithMetaInfo> answer(InvocationOnMock invocation) throws Throwable {
            return (Set<DiscoveryEntryWithMetaInfo>) invocation.getArguments()[1];
        }
    }).when(discoveryEntryVersionFilter).filter(Mockito.<Version>any(), Mockito.<Set<DiscoveryEntryWithMetaInfo>>any(), Mockito.<Map<String, Set<Version>>>any());
    Field discoveryEntryVersionFilterField = ArbitratorFactory.class.getDeclaredField("discoveryEntryVersionFilter");
    discoveryEntryVersionFilterField.setAccessible(true);
    discoveryEntryVersionFilterField.set(ArbitratorFactory.class, discoveryEntryVersionFilter);
    doAnswer(new Answer<Set<DiscoveryEntryWithMetaInfo>>() {

        @Override
        public Set<DiscoveryEntryWithMetaInfo> answer(InvocationOnMock invocation) throws Throwable {
            return (Set<DiscoveryEntryWithMetaInfo>) invocation.getArguments()[1];
        }
    }).when(discoveryEntryVersionFilter).filter(Mockito.<Version>any(), Mockito.<Set<DiscoveryEntryWithMetaInfo>>any(), Mockito.<Map<String, Set<Version>>>any());
    Field schedulerField = ArbitratorFactory.class.getDeclaredField("scheduler");
    schedulerField.setAccessible(true);
    String name = "TEST.joynr.scheduler.arbitration.arbitratorRunnable";
    ThreadFactory joynrThreadFactory = new JoynrThreadFactory(name, true);
    scheduler = Executors.newSingleThreadScheduledExecutor(joynrThreadFactory);
    schedulerField.set(ArbitratorFactory.class, scheduler);
    Field shutdownNotifierField = ArbitratorFactory.class.getDeclaredField("shutdownNotifier");
    shutdownNotifierField.setAccessible(true);
    shutdownNotifierField.set(ArbitratorFactory.class, shutdownNotifier);
    ArbitratorFactory.start();
    verify(shutdownNotifier).registerForShutdown(any(ShutdownListener.class));
}