Package org.fusesource.mqtt.client

Examples of org.fusesource.mqtt.client.Message

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            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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        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++;
            }
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            connection.connect();

            // set retained message and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(5000, TimeUnit.MILLISECONDS));

            // test duplicate subscription
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(15000, TimeUnit.MILLISECONDS);
            assertNotNull("No retained message on duplicate subscription for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(5000, TimeUnit.MILLISECONDS));
            connection.unsubscribe(new String[]{"TopicA"});

            // clear retained message and check that we don't receive it
            connection.publish(TOPICA, "".getBytes(), QoS.AT_MOST_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNull("Retained message not cleared for " + clientId, msg);
            connection.unsubscribe(new String[]{"TopicA"});

            // set retained message again and check
            connection.publish(TOPICA, RETAIN.getBytes(), QoS.EXACTLY_ONCE, true);
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(5000, TimeUnit.MILLISECONDS));

            // re-connect and check
            connection.disconnect();
            connection = mqtt.blockingConnection();
            connection.connect();
            connection.subscribe(new Topic[]{new Topic(TOPICA, QoS.AT_LEAST_ONCE)});
            msg = connection.receive(5000, TimeUnit.MILLISECONDS);
            assertNotNull("No reset retained message for " + clientId, msg);
            assertEquals(RETAIN, new String(msg.getPayload()));
            msg.ack();
            assertNull(connection.receive(5000, TimeUnit.MILLISECONDS));

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

            connection.disconnect();
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        assertEquals((byte) 0x80, qos[0]);
        assertEquals((byte) QoS.EXACTLY_ONCE.ordinal(), qos[1]);

        // validate the subscription by sending a retained message
        connection.publish(ANONYMOUS, ANONYMOUS.getBytes(), QoS.AT_MOST_ONCE, true);
        Message msg = connection.receive(1000, TimeUnit.MILLISECONDS);
        assertNotNull(msg);
        assertEquals(ANONYMOUS, new String(msg.getPayload()));
        msg.ack();

        connection.unsubscribe(new String[] { ANONYMOUS });
        qos = connection.subscribe(new Topic[] { new Topic(ANONYMOUS, QoS.AT_LEAST_ONCE) });
        assertEquals((byte) QoS.AT_LEAST_ONCE.ordinal(), qos[0]);

        msg = connection.receive(1000, TimeUnit.MILLISECONDS);
        assertNotNull(msg);
        assertEquals(ANONYMOUS, new String(msg.getPayload()));
        msg.ack();

        connection.disconnect();
    }
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        // publish non-retained message
        connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
        int received = 0;

        Message msg = connection.receive(5000, TimeUnit.MILLISECONDS);
        do {
            assertNotNull(msg);
            assertEquals(TOPIC, new String(msg.getPayload()));
            msg.ack();
            int waitCount = 0;
            while (publishList.size() <= received && waitCount < 10) {
                Thread.sleep(1000);
                waitCount++;
            }
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            connection.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
        }

        // receive half the messages in this session
        for (int i = 0; i < TOTAL_MESSAGES / 2; i++) {
            final Message msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            assertNotNull(msg);
            assertEquals(TOPIC, new String(msg.getPayload()));
            msg.ack();
        }

        connection.disconnect();
        // resume session
        connection = mqtt.blockingConnection();
        connection.connect();
        // receive rest of the messages
        Message msg = null;
        do {
            msg = connection.receive(1000, TimeUnit.MILLISECONDS);
            if (msg != null) {
                assertEquals(TOPIC, new String(msg.getPayload()));
                msg.ack();
            }
        } while (msg != null);

        // make sure we received all message ids
        for (short id = 1; id <= TOTAL_MESSAGES; id++) {
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            final String TOPIC = "TopicA/";
            connection.subscribe(new Topic[] { new Topic(TOPIC, QoS.EXACTLY_ONCE) });

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

            assertEquals(1, publishMap.size());
            final short id = (short) (i + 1);
            assertNotNull("No message for id " + id, publishMap.get(id));
            publishMap.clear();
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                return newConnection.isConnected();
            }
        });

        assertEquals(QoS.EXACTLY_ONCE.ordinal(), qos[0]);
        Message msg = newConnection.receive(1000, TimeUnit.MILLISECONDS);
        assertNotNull(msg);
        assertEquals(TOPIC, new String(msg.getPayload()));
        msg.ack();
        newConnection.disconnect();
    }
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        notClean.disconnect();

        // MUST receive message from previous not clean session
        notClean = mqttNotClean.blockingConnection();
        notClean.connect();
        Message msg = notClean.receive(10000, TimeUnit.MILLISECONDS);
        assertNotNull(msg);
        assertEquals(TOPIC, new String(msg.getPayload()));
        msg.ack();
        notClean.publish(TOPIC, TOPIC.getBytes(), QoS.EXACTLY_ONCE, false);
        notClean.disconnect();

        // MUST NOT receive message from previous not clean session
        final MQTT mqttClean = createMQTTConnection(CLIENTID, true);
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            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() + " Message content: " + messageContent);
            message.ack();
        }

        assertEquals("Should have received " + topics.length + " messages", topics.length, received);
    }
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