Package org.fusesource.mqtt.client

Examples of org.fusesource.mqtt.client.BlockingConnection

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        addMQTTConnector("transport.useInactivityMonitor=false");
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("foo3");
        mqtt.setKeepAlive((short)2);
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

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

            @Override
            public boolean isSatisified() throws Exception {
                return connection.isConnected();
            }
        }));

        connection.disconnect();
    }
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        // 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
        for (int i = 0; i < messagesToSend; ++i) {
            connection.publish("test/foo", "hello world".getBytes(), QoS.AT_LEAST_ONCE, false);
        }

        connection.disconnect();

        for (int i = 0; i < messagesToSend; i++) {

            javax.jms.Message message = consumer.receive(2 * 1000);
            assertNotNull(message);
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        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);

        for (Topic topic : topics) {
            connection.publish(topic.name().toString(), payload, QoS.AT_LEAST_ONCE, false);
        }

        int received = 0;
        for (int i = 0; i < topics.length; ++i) {
            Message message = connection.receive();
            assertNotNull(message);
            received++;
            payload = message.getPayload();
            String messageContent = new String(payload);
            LOG.info("Received message from topic: " + message.getTopic() +
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        MQTT mqttSub = createMQTTConnection();
        mqttSub.setClientId("MQTT-Sub-Client");
        mqttSub.setCleanSession(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++;
            payload = message.getPayload();
            String messageContent = new String(payload);
            LOG.info("Received message from topic: " + message.getTopic() +
                     " Message content: " + messageContent);
            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);
            }

            mqttSub = createMQTTConnection();
            mqttSub.setClientId("MQTT-Sub-Client");
            mqttSub.setCleanSession(false);

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

            for (int i = 0; i < messagesPerRun; ++i) {
                Message message = connectionSub.receive(5, TimeUnit.SECONDS);
                assertNotNull(message);
                received++;
                payload = message.getPayload();
                String messageContent = new String(payload);
                LOG.info("Received message from topic: " + message.getTopic() +
                         " Message content: " + messageContent);
                message.ack();
            }
            connectionSub.disconnect();
        }
        assertEquals("Should have received " + (messagesPerRun * (numberOfRuns + 1)) + " messages", (messagesPerRun * (numberOfRuns + 1)), received);
    }
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        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
            public boolean isSatisified() throws Exception {
                return connection.isConnected();
            }
        }));
    }
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        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("maxInactivityDuration=-1");
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("test-mqtt");
        mqtt.setKeepAlive((short)2);
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        assertTrue("KeepAlive didn't work properly", Wait.waitFor(new Wait.Condition() {

            @Override
            public boolean isSatisified() throws Exception {
                return connection.isConnected();
            }
        }));

        connection.disconnect();
    }
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        brokerService.waitUntilStarted();
        MQTT mqtt = createMQTTConnection();
        mqtt.setCleanSession(true);
        mqtt.setUserName((String)null);
        mqtt.setPassword((String)null);
        final BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();

        System.out.println("Connected!");

        connection.disconnect();

    }
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    @Test
    public void testSendAndReceiveMQTT() throws Exception {
        addMQTTConnector(brokerService);
        brokerService.start();
        MQTT mqtt = new MQTT();
        final BlockingConnection subscribeConnection = mqtt.blockingConnection();
        subscribeConnection.connect();
        Topic topic = new Topic("foo/bah",QoS.AT_MOST_ONCE);
        Topic[] topics = {topic};
        subscribeConnection.subscribe(topics);
        final CountDownLatch latch = new CountDownLatch(numberOfMessages);

        Thread thread = new Thread(new Runnable() {
            public void run() {
                for (int i = 0; i < numberOfMessages; i++){
                    try {
                        Message message = subscribeConnection.receive();
                        message.ack();
                        latch.countDown();
                    } catch (Exception e) {
                        e.printStackTrace();
                        break;
                    }

                }
            }
        });
        thread.start();

        BlockingConnection publisherConnection = mqtt.blockingConnection();
        publisherConnection.connect();
        for (int i = 0; i < numberOfMessages; i++){
            String payload = "Message " + i;
            publisherConnection.publish(topic.name().toString(),payload.getBytes(),QoS.AT_LEAST_ONCE,false);
        }

        latch.await(10, TimeUnit.SECONDS);
        assertEquals(0, latch.getCount());
    }
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    public void testSendAndReceiveAtMostOnce() throws Exception {
        addMQTTConnector(brokerService);
        brokerService.start();
        MQTT mqtt = createMQTTConnection();
        mqtt.setKeepAlive(Short.MAX_VALUE);
        BlockingConnection connection = mqtt.blockingConnection();

        connection.connect();


        Topic[] topics = {new Topic(utf8("foo"), QoS.AT_MOST_ONCE)};
        connection.subscribe(topics);
        for (int i = 0; i < numberOfMessages; i++) {
            String payload = "Test Message: " + i;
            connection.publish("foo", payload.getBytes(), QoS.AT_MOST_ONCE, false);
            Message message = connection.receive();
            assertEquals(payload, new String(message.getPayload()));
        }
        connection.disconnect();
    }
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