Package org.fusesource.mqtt.client

Examples of org.fusesource.mqtt.client.BlockingConnection

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public class MQTTProducerTest extends MQTTBaseTest {

    @Test
    public void testProduce() throws Exception {
        MQTT mqtt = new MQTT();
        final BlockingConnection subscribeConnection = mqtt.blockingConnection();
        subscribeConnection.connect();
        Topic topic = new Topic(TEST_TOPIC, 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;
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public class MQTTConsumerTest extends MQTTBaseTest {

    @Test
    public void testConsume() throws Exception {
        MQTT mqtt = new MQTT();
        BlockingConnection publisherConnection = mqtt.blockingConnection();
        Topic topic = new Topic(TEST_TOPIC, QoS.AT_MOST_ONCE);
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMinimumMessageCount(numberOfMessages);

        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);
        }

        mock.await(5, TimeUnit.SECONDS);
        mock.assertIsSatisfied();
    }
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    @Test
    public void testProduce() throws Exception {

        MQTT mqtt = new MQTT();
        final BlockingConnection subscribeConnection = mqtt.blockingConnection();
        subscribeConnection.connect();
        Topic topic = new Topic(TEST_TOPIC, 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;
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    @Test
    public void testConsume() throws Exception {

        MQTT mqtt = new MQTT();
        BlockingConnection publisherConnection = mqtt.blockingConnection();
        Topic topic = new Topic(TEST_TOPIC, QoS.AT_MOST_ONCE);
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMinimumMessageCount(numberOfMessages);

        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);
        }

        mock.await(5, TimeUnit.SECONDS);
        mock.assertIsSatisfied();
    }
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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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        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("");
        mqtt.setCleanSession(true);

        BlockingConnection connection = mqtt.blockingConnection();
        connection.connect();
        connection.disconnect();
    }
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        MQTT mqtt = createMQTTConnection();
        mqtt.setClientId("");
        mqtt.setCleanSession(true);

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

        final String RETAINED = "RETAINED";
        String[] topics = { "TopicA", "/TopicA", "/", "TopicA/", "//" };
        for (String topic : topics) {
            // test retained message
            connection.publish(topic, (RETAINED + topic).getBytes(), QoS.AT_LEAST_ONCE, true);

            connection.subscribe(new Topic[] { new Topic(topic, QoS.AT_LEAST_ONCE) });
            Message msg = connection.receive(5, TimeUnit.SECONDS);
            assertNotNull("No message for " + topic, msg);
            assertEquals(RETAINED + topic, new String(msg.getPayload()));
            msg.ack();

            // test non-retained message
            connection.publish(topic, topic.getBytes(), QoS.AT_LEAST_ONCE, false);
            msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
            assertEquals(topic, new String(msg.getPayload()));
            msg.ack();

            connection.unsubscribe(new String[] { topic });
        }
        connection.disconnect();

        // test wildcard patterns with above topics
        String[] wildcards = { "#", "+", "+/#", "/+", "+/", "+/+", "+/+/", "+/+/+" };
        for (String wildcard : wildcards) {
            final Pattern pattern = Pattern.compile(wildcard.replaceAll("/?#", "(/?.*)*").replaceAll("\\+", "[^/]*"));

            connection = mqtt.blockingConnection();
            connection.connect();
            final byte[] qos = connection.subscribe(new Topic[]{new Topic(wildcard, QoS.AT_LEAST_ONCE)});
            assertNotEquals("Subscribe failed " + wildcard, (byte)0x80, qos[0]);

            // test retained messages
            Message msg = connection.receive(5, TimeUnit.SECONDS);
            do {
                assertNotNull("RETAINED null " + wildcard, msg);
                assertTrue("RETAINED prefix " + wildcard, new String(msg.getPayload()).startsWith(RETAINED));
                assertTrue("RETAINED matching " + wildcard + " " + msg.getTopic(), pattern.matcher(msg.getTopic()).matches());
                msg.ack();
                msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            } while (msg != null);

            // test non-retained message
            for (String topic : topics) {
                connection.publish(topic, topic.getBytes(), QoS.AT_LEAST_ONCE, false);
            }
            msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            do {
                assertNotNull("Non-retained Null " + wildcard, msg);
                assertTrue("Non-retained matching " + wildcard + " " + msg.getTopic(), pattern.matcher(msg.getTopic()).matches());
                msg.ack();
                msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            } while (msg != null);

            connection.unsubscribe(new String[] { wildcard });
            connection.disconnect();
        }
    }
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                        actualQoS[0] = frame.qos().ordinal();
                    }
                }
            });

            final BlockingConnection connection = mqtt.blockingConnection();
            connection.connect();
            connection.publish(topic, topic.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(topic, QoS.valueOf(topic))});

            final Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
            assertEquals(topic, new String(msg.getPayload()));
            int waitCount = 0;
            while (actualQoS[0] == -1 && waitCount < 10) {
                Thread.sleep(1000);
                waitCount++;
            }
            assertEquals(i, actualQoS[0]);
            msg.ack();

            connection.unsubscribe(new String[]{topic});
            connection.disconnect();
        }

    }
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                    actualQoS[0] = frame.qos().ordinal();
                }
            }
        });

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

        final String RETAIN = "RETAIN";
        connection.publish("TopicA", RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);

        QoS[] qoss = { QoS.AT_MOST_ONCE, QoS.AT_MOST_ONCE, QoS.AT_LEAST_ONCE, QoS.EXACTLY_ONCE };
        for (QoS qos : qoss) {
            connection.subscribe(new Topic[]{new Topic("TopicA", qos)});

            final Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No message for " + qos, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            int waitCount = 0;
            while (actualQoS[0] == -1 && waitCount < 10) {
                Thread.sleep(1000);
                waitCount++;
            }
            assertEquals(qos.ordinal(), actualQoS[0]);
            actualQoS[0] = -1;
        }

        connection.unsubscribe(new String[] { "TopicA" });
        connection.disconnect();

    }
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