Package org.fusesource.mqtt.client

Examples of org.fusesource.mqtt.client.MQTT

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        Destination dest = session.createTopic("test.foo");
        MessageConsumer consumer = session.createConsumer(dest);
        jmsConn.start();

        // set up mqtt producer
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("foo3");
        mqtt.setKeepAlive((short) 2);
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

        int messagesToSend = 5;

        // publish
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            payload[i] = '2';
        }

        addMQTTConnector();
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("MQTT-Client");
        mqtt.setCleanSession(false);

        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

        Topic[] topics = { new Topic("Topic/A", QoS.EXACTLY_ONCE), new Topic("Topic/B", QoS.EXACTLY_ONCE) };
        Topic[] wildcardTopic = { new Topic("Topic/#", QoS.AT_LEAST_ONCE) };
        connection.subscribe(wildcardTopic);
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        int numberOfRuns = 100;
        int messagesPerRun = 2;

        addMQTTConnector("trace=true");
        brokerService.start();
        final MQTT mqttPub = createMQTTConnection("MQTT-Pub-Client", true);

        final MQTT mqttSub = createMQTTConnection("MQTT-Sub-Client", false);

        final BlockingConnection connectionPub = mqttPub.blockingConnection();
        connectionPub.connect();

        BlockingConnection connectionSub = mqttSub.blockingConnection();
        connectionSub.connect();

        Topic[] topics = { new Topic("TopicA", QoS.EXACTLY_ONCE) };
        connectionSub.subscribe(topics);

        for (int i = 0; i < messagesPerRun; ++i) {
            connectionPub.publish(topics[0].name().toString(), payload, QoS.AT_LEAST_ONCE, false);
        }

        int received = 0;
        for (int i = 0; i < messagesPerRun; ++i) {
            Message message = connectionSub.receive(5, TimeUnit.SECONDS);
            assertNotNull(message);
            received++;
            assertTrue(Arrays.equals(payload, message.getPayload()));
            message.ack();
        }
        connectionSub.disconnect();

        for (int j = 0; j < numberOfRuns; j++) {

            for (int i = 0; i < messagesPerRun; ++i) {
                connectionPub.publish(topics[0].name().toString(), payload, QoS.AT_LEAST_ONCE, false);
            }

            connectionSub = mqttSub.blockingConnection();
            connectionSub.connect();
            connectionSub.subscribe(topics);

            for (int i = 0; i < messagesPerRun; ++i) {
                Message message = connectionSub.receive(5, TimeUnit.SECONDS);
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    @Test(timeout = 30 * 1000)
    public void testDefaultKeepAliveWhenClientSpecifiesZero() throws Exception {
        // default keep alive in milliseconds
        addMQTTConnector("transport.defaultKeepAlive=2000");
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("foo");
        mqtt.setKeepAlive((short) 0);
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

        assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {

            @Override
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    @Test(timeout = 60 * 1000)
    public void testReuseConnection() throws Exception {
        addMQTTConnector();
        brokerService.start();

        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("Test-Client");

        {
            BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();
            connection.disconnect();
            Thread.sleep(1000);
        }
        {
            BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();
            connection.disconnect();
            Thread.sleep(1000);
        }
    }
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        addMQTTConnector();
        brokerService.setPersistent(true);
        brokerService.start();
        Topic[] topics = { new Topic("TopicA", QoS.EXACTLY_ONCE) };

        MQTT mqttPub = createMQTTConnection("MQTTPub-Client", true);
        // mqttPub.setVersion("3.1.1");

        MQTT mqttSub = createMQTTConnection("MQTTSub-Client", false);
        // mqttSub.setVersion("3.1.1");

        BlockingConnection connectionPub = mqttPub.blockingConnection();
        connectionPub.connect();

        BlockingConnection connectionSub = mqttSub.blockingConnection();
        connectionSub.connect();
        connectionSub.subscribe(topics);
        connectionSub.disconnect();

        for (int i = 0; i < 5; i++) {
            String payload = "Message " + i;
            connectionPub.publish(topics[0].name().toString(), payload.getBytes(), QoS.EXACTLY_ONCE, false);
        }

        connectionSub = mqttSub.blockingConnection();
        connectionSub.connect();

        int received = 0;
        for (int i = 0; i < 5; ++i) {
            Message message = connectionSub.receive(5, TimeUnit.SECONDS);
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    @Test(timeout = 60 * 1000)
    public void testMQTT311Connection() throws Exception {
        addMQTTConnector();
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("foo");
        mqtt.setVersion("3.1.1");
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        connection.disconnect();
    }
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        brokerService.setPlugins(new BrokerPlugin[] { authorizationPlugin, authenticationPlugin });

        brokerService.start();

        MQTT mqttPub = createMQTTConnection("pub", true);
        mqttPub.setUserName("admin");
        mqttPub.setPassword("admin");

        BlockingConnection connectionPub = mqttPub.blockingConnection();
        connectionPub.connect();
        connectionPub.publish("one", "test".getBytes(), QoS.AT_LEAST_ONCE, true);

        MQTT mqttSub = createMQTTConnection("sub", true);
        mqttSub.setUserName("user");
        mqttSub.setPassword("user");
        BlockingConnection connectionSub = mqttSub.blockingConnection();
        connectionSub.connect();
        connectionSub.subscribe(new Topic[]{new Topic("#", QoS.AT_LEAST_ONCE)});
        Message msg = connectionSub.receive(1, TimeUnit.SECONDS);
        assertNull("Shouldn't receive the message", msg);
    }
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        final PolicyEntry policyEntry = new PolicyEntry();
        policyEntry.setSubscriptionRecoveryPolicy(new LastImageSubscriptionRecoveryPolicy());
        policyMap.put(new ActiveMQTopic(">"), policyEntry);
        brokerService.setDestinationPolicy(policyMap);

        MQTT mqtt = createMQTTConnection("pub-sub", true);
        final int[] retain = new int[1];
        final int[] nonretain  = new int[1];
        mqtt.setTracer(new Tracer() {
            @Override
            public void onReceive(MQTTFrame frame) {
                if (frame.messageType() == PUBLISH.TYPE) {
                    LOG.info("Received message with retain=" + frame.retain());
                    if (frame.retain()) {
                        retain[0]++;
                    } else {
                        nonretain[0]++;
                    }
                }
            }
        });

        BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        final String RETAINED = "RETAINED";
        connection.publish("one", RETAINED.getBytes(), QoS.AT_LEAST_ONCE, true);
        connection.publish("two", RETAINED.getBytes(), QoS.AT_LEAST_ONCE, true);
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    protected MQTT createMQTTConnection() throws Exception {
        return createMQTTConnection(null, false);
    }

    protected MQTT createMQTTConnection(String clientId, boolean clean) throws Exception {
        MQTT mqtt = new MQTT();
        mqtt.setConnectAttemptsMax(1);
        mqtt.setReconnectAttemptsMax(0);
        mqtt.setTracer(createTracer());
        if (clientId != null) {
            mqtt.setClientId(clientId);
        }
        mqtt.setCleanSession(clean);
        mqtt.setHost("localhost", mqttConnector.getConnectUri().getPort());
        // shut off connect retry
        return mqtt;
    }
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