Examples with MqttClient io.vertx.mqtt.MqttClient used on opensource projects

Example 1 with MqttClient

use of io.vertx.mqtt.MqttClient in project hono by eclipse.

the class TelemetryMqttIT method testConnectFailsForDisabledTenant.

/**
 * Verifies that the adapter rejects connection attempts from devices
 * that belong to a tenant for which the adapter has been disabled.
 *
 * @param ctx The test context
 */
@Test
public void testConnectFailsForDisabledTenant(final TestContext ctx) {
    // GIVEN a tenant for which the HTTP adapter is disabled
    final String tenantId = helper.getRandomTenantId();
    final String deviceId = helper.getRandomDeviceId(tenantId);
    final String password = "secret";
    final JsonObject adapterDetailsHttp = new JsonObject().put(TenantConstants.FIELD_ADAPTERS_TYPE, Constants.PROTOCOL_ADAPTER_TYPE_MQTT).put(TenantConstants.FIELD_ENABLED, Boolean.FALSE);
    final TenantObject tenant = TenantObject.from(tenantId, true);
    tenant.addAdapterConfiguration(adapterDetailsHttp);
    helper.registry.addDeviceForTenant(tenant, deviceId, password).compose(ok -> {
        final Future<MqttConnAckMessage> result = Future.future();
        final MqttClientOptions options = new MqttClientOptions().setUsername(IntegrationTestSupport.getUsername(deviceId, tenantId)).setPassword(password);
        mqttClient = MqttClient.create(VERTX, options);
        // WHEN a device that belongs to the tenant tries to connect to the adapter
        mqttClient.connect(IntegrationTestSupport.MQTT_PORT, IntegrationTestSupport.MQTT_HOST, result.completer());
        return result;
    }).setHandler(ctx.asyncAssertFailure(t -> {
    // THEN the connection attempt gets rejected
    }));
}

Example 2 with MqttClient

use of io.vertx.mqtt.MqttClient in project vertx-examples by vert-x3.

the class Client method start.

@Override
public void start() throws Exception {
    MqttClient mqttClient = MqttClient.create(vertx);
    mqttClient.connect(BROKER_PORT, BROKER_HOST, ch -> {
        if (ch.succeeded()) {
            System.out.println("Connected to a server");
            mqttClient.publish(MQTT_TOPIC, Buffer.buffer(MQTT_MESSAGE), MqttQoS.AT_MOST_ONCE, false, false, s -> mqttClient.disconnect(d -> System.out.println("Disconnected from server")));
        } else {
            System.out.println("Failed to connect to a server");
            System.out.println(ch.cause());
        }
    });
}

Example 3 with MqttClient

use of io.vertx.mqtt.MqttClient in project vertx-examples by vert-x3.

the class Client method start.

@Override
public void start() throws Exception {
    MqttClientOptions options = new MqttClientOptions().setKeepAliveTimeSeconds(2);
    MqttClient client = MqttClient.create(Vertx.vertx(), options);
    // handler will be called when we have a message in topic we subscribing for
    client.publishHandler(publish -> {
        System.out.println("Just received message on [" + publish.topicName() + "] payload [" + publish.payload().toString(Charset.defaultCharset()) + "] with QoS [" + publish.qosLevel() + "]");
    });
    // handle response on subscribe request
    client.subscribeCompletionHandler(h -> {
        System.out.println("Receive SUBACK from server with granted QoS : " + h.grantedQoSLevels());
        // let's publish a message to the subscribed topic
        client.publish(MQTT_TOPIC, Buffer.buffer(MQTT_MESSAGE), MqttQoS.AT_MOST_ONCE, false, false, s -> System.out.println("Publish sent to a server"));
        // unsubscribe from receiving messages for earlier subscribed topic
        vertx.setTimer(5000, l -> client.unsubscribe(MQTT_TOPIC));
    });
    // handle response on unsubscribe request
    client.unsubscribeCompletionHandler(h -> {
        System.out.println("Receive UNSUBACK from server");
        vertx.setTimer(5000, l -> client.disconnect(d -> System.out.println("Disconnected form server")));
    });
    // connect to a server
    client.connect(BROKER_PORT, BROKER_HOST, ch -> {
        if (ch.succeeded()) {
            System.out.println("Connected to a server");
            client.subscribe(MQTT_TOPIC, 0);
        } else {
            System.out.println("Failed to connect to a server");
            System.out.println(ch.cause());
        }
    });
}

Example 4 with MqttClient

use of io.vertx.mqtt.MqttClient in project hono by eclipse.

the class MqttTestBase method doTestUploadMessages.

/**
 * Verifies that a number of messages uploaded to Hono's HTTP adapter can be successfully
 * consumed via the AMQP Messaging Network.
 *
 * @param ctx The test context.
 * @param useShortTopicName Whether to use standard or short topic names
 * @throws InterruptedException if the test fails.
 */
public void doTestUploadMessages(final TestContext ctx, boolean useShortTopicName) throws InterruptedException {
    final int messagesToSend = 200;
    final CountDownLatch received = new CountDownLatch(messagesToSend);
    final Async setup = ctx.async();
    final String tenantId = helper.getRandomTenantId();
    final String deviceId = helper.getRandomDeviceId(tenantId);
    final String password = "secret";
    final TenantObject tenant = TenantObject.from(tenantId, true);
    helper.registry.addDeviceForTenant(tenant, deviceId, password).compose(ok -> createConsumer(tenantId, msg -> {
        LOGGER.trace("received {}", msg);
        assertMessageProperties(ctx, msg);
        assertAdditionalMessageProperties(ctx, msg);
        received.countDown();
        if (received.getCount() % 40 == 0) {
            LOGGER.info("messages received: {}", messagesToSend - received.getCount());
        }
    })).compose(ok -> {
        final Future<MqttConnAckMessage> result = Future.future();
        final MqttClientOptions options = new MqttClientOptions().setMaxInflightQueue(200).setUsername(IntegrationTestSupport.getUsername(deviceId, tenantId)).setPassword(password);
        mqttClient = MqttClient.create(VERTX, options);
        mqttClient.connect(IntegrationTestSupport.MQTT_PORT, IntegrationTestSupport.MQTT_HOST, result.completer());
        return result;
    }).setHandler(ctx.asyncAssertSuccess(ok -> setup.complete()));
    setup.await();
    final long start = System.currentTimeMillis();
    final AtomicInteger messageCount = new AtomicInteger(0);
    final AtomicReference<Async> sendResult = new AtomicReference<>();
    mqttClient.publishCompletionHandler(packetId -> {
        if (pendingMessages.remove(packetId)) {
            sendResult.get().complete();
        } else {
            LOGGER.info("received PUBACK for unexpected message [id: {}]", packetId);
        }
    });
    while (messageCount.get() < messagesToSend) {
        sendResult.set(ctx.async());
        send(tenantId, deviceId, Buffer.buffer("hello " + messageCount.getAndIncrement()), useShortTopicName, sendAttempt -> {
            if (sendAttempt.failed()) {
                LOGGER.debug("error sending message {}", messageCount.get(), sendAttempt.cause());
            } else {
                pendingMessages.add(sendAttempt.result());
            }
        });
        if (messageCount.get() % 40 == 0) {
            LOGGER.info("messages sent: " + messageCount.get());
        }
        sendResult.get().await();
    }
    long timeToWait = Math.max(TEST_TIMEOUT - 1000, Math.round(messagesToSend * 1.2));
    if (!received.await(timeToWait, TimeUnit.MILLISECONDS)) {
        LOGGER.info("sent {} and received {} messages after {} milliseconds", messageCount, messagesToSend - received.getCount(), System.currentTimeMillis() - start);
        ctx.fail("did not receive all messages sent");
    } else {
        LOGGER.info("sent {} and received {} messages after {} milliseconds", messageCount, messagesToSend - received.getCount(), System.currentTimeMillis() - start);
    }
}

Example 5 with MqttClient

use of io.vertx.mqtt.MqttClient in project vertx-examples by vert-x3.

the class Client method start.

@Override
public void start() throws Exception {
    MqttClientOptions options = new MqttClientOptions();
    options.setSsl(true);
    options.setTrustAll(true);
    MqttClient mqttClient = MqttClient.create(vertx, options);
    mqttClient.connect(BROKER_PORT, BROKER_HOST, ch -> {
        if (ch.succeeded()) {
            System.out.println("Connected to a server");
            mqttClient.publish(MQTT_TOPIC, Buffer.buffer(MQTT_MESSAGE), MqttQoS.AT_MOST_ONCE, false, false, s -> mqttClient.disconnect(d -> System.out.println("Disconnected from server")));
        } else {
            System.out.println("Failed to connect to a server");
            System.out.println(ch.cause());
        }
    });
}