Java Code Examples for org.eclipse.paho.client.mqttv3.MqttConnectOptions#setAutomaticReconnect()

The following examples show how to use org.eclipse.paho.client.mqttv3.MqttConnectOptions#setAutomaticReconnect() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: AbstractMqttClient.java From xian with Apache License 2.0

6 votes

/**
 * 连接mqtt server,并返回一个客户端对象,如果连接失败,那么返回null
 */
public MqttAsyncClient connectBroker() {
    LOG.info(String.format("mqtt=======客户端%s与rabbitMQ server: %s 准备建立连接,userName = %s", getMqttClientId(), JSON.toJSONString(serverURIs), userName));
    try {
        sampleClient = new MqttAsyncClient("tcp://overriddenByMqttConnectOptions.setServerURIs:1883", getMqttClientId(), persistence);
        connOpts = new MqttConnectOptions();
        connOpts.setAutomaticReconnect(true);
        connOpts.setServerURIs(serverURIs);
        connOpts.setUserName(userName);
        connOpts.setPassword(getPwd());
        connOpts.setCleanSession(cleanSession);
        connOpts.setMaxInflight(1000 /**默认的值是10,对于我们来说这个值太小!*/);
        connOpts.setKeepAliveInterval(keepAliveInterval);
        sampleClient.setCallback(getCallback(this));
        sampleClient.connect(connOpts).waitForCompletion(60 * 1000);
        LOG.info(String.format("mqtt=======客户端%s与rabbitMQ server: %s 建立连接完成,userName = %s", getMqttClientId(), JSON.toJSONString(serverURIs), userName));
        return sampleClient;
    } catch (MqttException me) {
        throw new RuntimeException(String.format("mqtt=======客户端%s与rabbitMQ server: %s 连接失败!!! userName = %s", getMqttClientId(), JSON.toJSONString(serverURIs), userName), me);
    }
}

Example 2

Source File: MqttTestClient.java From diozero with MIT License

6 votes

public MqttTestClient(String mqttUrl) throws MqttException {
	mqttClient = new MqttClient(mqttUrl, MqttClient.generateClientId(), new MemoryPersistence());
	mqttClient.setCallback(this);
	MqttConnectOptions con_opts = new MqttConnectOptions();
	con_opts.setAutomaticReconnect(true);
	con_opts.setCleanSession(true);
	mqttClient.connect(con_opts);
	Logger.debug("Connected to {}", mqttUrl);

	lock = new ReentrantLock();
	conditions = new HashMap<>();
	responses = new HashMap<>();

	// Subscribe
	Logger.debug("Subscribing to {}...", MqttProviderConstants.RESPONSE_TOPIC);
	mqttClient.subscribe(MqttProviderConstants.RESPONSE_TOPIC);
	Logger.debug("Subscribed");
}

Example 3

Source File: SparkplugListener.java From Sparkplug with Eclipse Public License 1.0

6 votes

public void run() {
	try {
		// Connect to the MQTT Server
		MqttConnectOptions options = new MqttConnectOptions();
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(5000);						// short timeout on failure to connect
		client.connect(options);
		client.setCallback(this);
		
		// Just listen to all DDATA messages on spAv1.0 topics and wait for inbound messages
		client.subscribe("spBv1.0/#", 0);
	} catch(Exception e) {
		e.printStackTrace();
	}
}

Example 4

Source File: ApplicationConfig.java From iot-java with Eclipse Public License 1.0

6 votes

public MqttConnectOptions getMqttConnectOptions() throws NoSuchAlgorithmException, KeyManagementException {
	MqttConnectOptions connectOptions = new MqttConnectOptions();

	connectOptions.setConnectionTimeout(DEFAULT_CONNECTION_TIMEMOUT);

	connectOptions.setUserName(getMqttUsername());
	connectOptions.setPassword(getMqttPassword().toCharArray());

	connectOptions.setCleanSession(this.options.mqtt.cleanStart);
	connectOptions.setKeepAliveInterval(this.options.mqtt.keepAlive);
	connectOptions.setMaxInflight(DEFAULT_MAX_INFLIGHT_MESSAGES);
	connectOptions.setAutomaticReconnect(true);

	SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
	sslContext.init(null, null, null);

	connectOptions.setSocketFactory(sslContext.getSocketFactory());

	return connectOptions;
}

Example 5

Source File: DeviceConfig.java From iot-java with Eclipse Public License 1.0

6 votes

public MqttConnectOptions getMqttConnectOptions() throws NoSuchAlgorithmException, KeyManagementException {
	MqttConnectOptions connectOptions = new MqttConnectOptions();

	connectOptions.setConnectionTimeout(DEFAULT_CONNECTION_TIMEMOUT);

	if (getMqttPassword() != null) {
		connectOptions.setUserName(getMqttUsername());
		connectOptions.setPassword(getMqttPassword().toCharArray());
	}

	connectOptions.setCleanSession(this.options.mqtt.cleanStart);
	connectOptions.setKeepAliveInterval(this.options.mqtt.keepAlive);
	connectOptions.setMaxInflight(DEFAULT_MAX_INFLIGHT_MESSAGES);
	connectOptions.setAutomaticReconnect(true);

	if (!Arrays.asList(1883, 80).contains(options.mqtt.port)) {
		SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
		sslContext.init(null, null, null);

		connectOptions.setSocketFactory(sslContext.getSocketFactory());
	}

	return connectOptions;
}

Example 6

Source File: MqttPlugin.java From iotplatform with Apache License 2.0

6 votes

@Override
public void init(MqttPluginConfiguration configuration) {
  retryInterval = configuration.getRetryInterval();

  mqttClientOptions = new MqttConnectOptions();
  mqttClientOptions.setCleanSession(false);
  mqttClientOptions.setMaxInflight(configuration.getMaxInFlight());
  mqttClientOptions.setAutomaticReconnect(true);
  String clientId = configuration.getClientId();
  if (StringUtils.isEmpty(clientId)) {
    clientId = UUID.randomUUID().toString();
  }
  if (!StringUtils.isEmpty(configuration.getAccessToken())) {
    mqttClientOptions.setUserName(configuration.getAccessToken());
  }
  try {
    mqttClient = new MqttAsyncClient("tcp://" + configuration.getHost() + ":" + configuration.getPort(), clientId);
  } catch (Exception e) {
    log.error("Failed to create mqtt client", e);
    throw new RuntimeException(e);
  }
  // connect();
}

Example 7

Source File: MoquetteConnectivityTest.java From rxmqtt with Apache License 2.0

5 votes

@Test
public void whenBrokerIsRestartedThenWithAutoReconnectClientIsReconnected() throws Throwable {
    
    // Create client with re-connect and dirty sessions
    MqttConnectOptions options = new MqttConnectOptions();
    options.setAutomaticReconnect(true);
    options.setCleanSession(false);
    options.setKeepAliveInterval(1);
    options.setConnectionTimeout(1);
    
    String proxyUrl = "tcp://" + PROXY_HOST + ":" + PROXY_PORT;
    MqttAsyncClient asyncClient = new MqttAsyncClient(proxyUrl, "test-client-id", new MemoryPersistence());
    ObservableMqttClient observableClient = observableClient(asyncClient, options);
    
    // Connect
    observableClient.connect().blockingAwait();
    Assert.assertTrue(observableClient.isConnected());

    // Stop the broker proxy
    this.brokerProxy.disable();
    Thread.sleep(3000);
    Assert.assertFalse(observableClient.isConnected());
 
    // Restart the broker proxy
    this.brokerProxy.enable();
    Thread.sleep(5000);
    Assert.assertTrue(observableClient.isConnected());	
}

Example 8

Source File: MoquetteConnectivityTest.java From rxmqtt with Apache License 2.0

5 votes

@Test
public void whenBrokerIsStoppedThenClientIsDisconnected() throws Throwable {
    
	// Create client with re-connect and dirty sessions
    MqttConnectOptions options = new MqttConnectOptions();
    options.setAutomaticReconnect(false);
    options.setCleanSession(false);
    options.setKeepAliveInterval(1);
    options.setConnectionTimeout(1);
    
    String proxyUrl = "tcp://" + PROXY_HOST + ":" + PROXY_PORT;
	MqttAsyncClient asyncClient = new MqttAsyncClient(proxyUrl, "test-client-id", new MemoryPersistence());
    ObservableMqttClient observableClient = observableClient(asyncClient, options);
    
    // Connect
    observableClient.connect().blockingAwait();
    Assert.assertTrue(observableClient.isConnected());

    // Stop the broker proxy
    this.brokerProxy.disable();
    Thread.sleep(3000);
    Assert.assertFalse(observableClient.isConnected());
 
    // Restart the broker proxy
    this.brokerProxy.enable();
    Thread.sleep(3000);
    Assert.assertFalse(observableClient.isConnected());
    
}

Example 9

Source File: ToxiproxyConnectivityITCase.java From rxmqtt with Apache License 2.0

5 votes

@Ignore
@Test
public void whenBrokerIsStoppedThenClientIsDisconnected() throws Throwable {
    
	// Create client with re-connect and dirty sessions
    MqttConnectOptions options = new MqttConnectOptions();
    options.setAutomaticReconnect(false);
    options.setCleanSession(false);
    options.setKeepAliveInterval(1);
    options.setConnectionTimeout(1);
    
    String proxyUrl = "tcp://" + PROXY_HOST + ":" + PROXY_PORT;
	MqttAsyncClient asyncClient = new MqttAsyncClient(proxyUrl, "test-client-id", new MemoryPersistence());
    ObservableMqttClient observableClient = observableClient(asyncClient, options);
    
    // Connect
    observableClient.connect().blockingAwait();
    Assert.assertTrue(observableClient.isConnected());

    // Stop the broker proxy
    this.brokerProxy.disable();
    Thread.sleep(3000);
    Assert.assertFalse(observableClient.isConnected());
 
    // Restart the broker proxy
    this.brokerProxy.enable();
    Thread.sleep(3000);
    Assert.assertFalse(observableClient.isConnected());
    
}

Example 10

Source File: MqttPahoClient.java From joynr with Apache License 2.0

5 votes

private MqttConnectOptions getConnectOptions() {
    MqttConnectOptions options = new MqttConnectOptions();
    if (username != null && !username.isEmpty()) {
        if (password == null || password.isEmpty()) {
            throw new JoynrIllegalStateException("MQTT password not configured or empty");
        }
        options.setUserName(username);
        options.setPassword(password.toCharArray());
    }
    options.setAutomaticReconnect(false);
    options.setConnectionTimeout(connectionTimeoutSec);
    options.setKeepAliveInterval(keepAliveTimerSec);
    options.setMaxInflight(maxMsgsInflight);
    options.setCleanSession(cleanSession);

    if (isSecureConnection) {
        // Set global SSL properties for all Joynr SSL clients
        Properties sslClientProperties = new Properties();
        sslClientProperties.setProperty(SSLSocketFactoryFactory.KEYSTORETYPE, keyStoreType);
        sslClientProperties.setProperty(SSLSocketFactoryFactory.KEYSTORE, keyStorePath);
        sslClientProperties.setProperty(SSLSocketFactoryFactory.KEYSTOREPWD, keyStorePWD);
        sslClientProperties.setProperty(SSLSocketFactoryFactory.TRUSTSTORETYPE, trustStoreType);
        sslClientProperties.setProperty(SSLSocketFactoryFactory.TRUSTSTORE, trustStorePath);
        sslClientProperties.setProperty(SSLSocketFactoryFactory.TRUSTSTOREPWD, trustStorePWD);
        options.setSSLProperties(sslClientProperties);
    }

    return options;
}

Example 11

Source File: PushSenderMqtt.java From hmdm-server with Apache License 2.0

5 votes

@Override
public void init() {
    try {
        client = new MqttClient("tcp://" + serverUri, "HMDMServer", persistence);
        MqttConnectOptions options = new MqttConnectOptions();
        options.setCleanSession(true);
        options.setAutomaticReconnect(true);
        client.connect(options);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 12

Source File: ManagerMQTT.java From helloiot with GNU General Public License v3.0

5 votes

@Override
public void connect() {

    String[] listtopics = worktopics.toArray(new String[worktopics.size()]);
    int[] listqos = new int[workqos.size()];
    for (int i = 0; i < workqos.size(); i++) {
        listqos[i] = workqos.get(i);
    }

    try {
        mqttClient = new MqttClient(url, clientid, new MemoryPersistence());
        MqttConnectOptions options = new MqttConnectOptions();
        if (!Strings.isNullOrEmpty(username)) {
            options.setUserName(username);
            options.setPassword(password.toCharArray());
        }
        options.setConnectionTimeout(timeout);
        options.setKeepAliveInterval(keepalive);
        options.setMqttVersion(version);
        options.setCleanSession(true);
        options.setAutomaticReconnect(false);
        options.setMaxInflight(maxinflight);
        options.setSSLProperties(sslproperties);
        options.setWill(topicsys + "app/" + clientid, new StringFormatSwitch().devalue(MiniVarBoolean.FALSE), 0, true);
        mqttClient.connect(options);
        mqttClient.setCallback(this);
        if (listtopics.length > 0) {
            mqttClient.subscribe(listtopics, listqos);
        }
        statusPublish(MiniVarBoolean.TRUE);
    } catch (MqttException ex) {
        logger.log(Level.WARNING, null, ex);
        throw new RuntimeException(String.format(resources.getString("exception.mqtt"), url), ex);
    }
}

Example 13

Source File: MqttClientInstance.java From maestro-java with Apache License 2.0

5 votes

public static MqttConnectOptions getConnectionOptions() {
    final MqttConnectOptions connOpts = new MqttConnectOptions();

    connOpts.setCleanSession(true);
    connOpts.setAutomaticReconnect(true);

    /*
     Paho uses 10 as the default max inflight exchanges. This may be a bit too small
     when sending log files, handling stats messages, ping requests ... all at the same.
     */
    connOpts.setMaxInflight(20);

    return connOpts;
}

Example 14

Source File: MqttJsonServer.java From diozero with MIT License

5 votes

public MqttJsonServer(String mqttUrl) throws UnknownHostException, MqttException {
	mqttClient = new MqttClient(mqttUrl, CLIENT_ID_PREFIX + InetAddress.getLocalHost().getHostName(),
			new MemoryPersistence());
	mqttClient.setCallback(this);
	MqttConnectOptions con_opts = new MqttConnectOptions();
	con_opts.setAutomaticReconnect(true);
	con_opts.setCleanSession(true);
	Logger.debug("Connecting to {}...", mqttUrl);
	mqttClient.connect(con_opts);
	Logger.debug("Connected to {}", mqttUrl);
}

Example 15

Source File: MqttProtobufServer.java From diozero with MIT License

5 votes

public MqttProtobufServer(String mqttUrl) throws UnknownHostException, MqttException {
	mqttClient = new MqttClient(mqttUrl, CLIENT_ID_PREFIX + InetAddress.getLocalHost().getHostName(),
			new MemoryPersistence());
	mqttClient.setCallback(this);
	MqttConnectOptions con_opts = new MqttConnectOptions();
	con_opts.setAutomaticReconnect(true);
	con_opts.setCleanSession(true);
	Logger.debug("Connecting to {}...", mqttUrl);
	mqttClient.connect(con_opts);
	Logger.debug("Connected to {}", mqttUrl);
}

Example 16

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

5 votes

public void run() {
	try {
		// Connect to the MQTT Server
		MqttConnectOptions options = new MqttConnectOptions();
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(2000);	
		client.setCallback(this);
		client.connect(options);
		
		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/+/" + edgeNode, 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/+/" + edgeNode + "/*", 0);
		
		// Loop to receive input commands
		while (true) {
			System.out.print("\n> ");
			
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			String line = br.readLine();

			handleCommand(line);
		}
	} catch(Exception e) {
		e.printStackTrace();
	}
}

Example 17

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

public void run() {
	try {
		// Random generator and thread pool for outgoing published messages
		executor = Executors.newFixedThreadPool(1);

		// Build up DEATH payload - note DEATH payloads don't have a regular sequence number
		SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
		deathPayload = addBdSeqNum(deathPayload);
		byte[] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());

		MqttConnectOptions options = new MqttConnectOptions();

		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}

		// Connect to the MQTT Server
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, deathBytes, 0, false);
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(2000);
		client.setCallback(this); // short timeout on failure to connect
		client.connect(options);

		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);

		// Loop forever publishing data every PUBLISH_PERIOD
		while (true) {
			Thread.sleep(PUBLISH_PERIOD);

			if (client.isConnected()) {
				synchronized (seqLock) {
					System.out.println("Connected - publishing new data");
					// Create the payload and add some metrics
					SparkplugBPayload payload = new SparkplugBPayload(new Date(), newComplexTemplateInstance(),
							getSeqNum(), newUUID(), null);

					client.publish(NAMESPACE + "/" + groupId + "/DDATA/" + edgeNode + "/" + deviceId,
							new SparkplugBPayloadEncoder().getBytes(payload), 0, false);
				}
			} else {
				System.out.println("Not connected - not publishing data");
			}
		}
	} catch (Exception e) {
		e.printStackTrace();
	}
}

Example 18

Source File: SparkplugExample.java From Sparkplug with Eclipse Public License 1.0

4 votes

public void run() {
	try {
		// Random generator and thread pool for outgoing published messages
		executor = Executors.newFixedThreadPool(1);
		
		// Build up DEATH payload - note DEATH payloads don't have a regular sequence number
		SparkplugBPayloadBuilder deathPayload = new SparkplugBPayloadBuilder().setTimestamp(new Date());
		deathPayload = addBdSeqNum(deathPayload);
		byte [] deathBytes = new SparkplugBPayloadEncoder().getBytes(deathPayload.createPayload());
		
		MqttConnectOptions options = new MqttConnectOptions();
		
		if (USING_REAL_TLS) {
			SocketFactory sf = SSLSocketFactory.getDefault();
			options.setSocketFactory(sf);
		}
		
		// Connect to the MQTT Server
		options.setAutomaticReconnect(true);
		options.setCleanSession(true);
		options.setConnectionTimeout(30);
		options.setKeepAliveInterval(30);
		options.setUserName(username);
		options.setPassword(password.toCharArray());
		options.setWill(NAMESPACE + "/" + groupId + "/NDEATH/" + edgeNode, deathBytes, 0, false);
		client = new MqttClient(serverUrl, clientId);
		client.setTimeToWait(30000);	
		client.setCallback(this);					// short timeout on failure to connect
		client.connect(options);
		
		// Subscribe to control/command messages for both the edge of network node and the attached devices
		client.subscribe(NAMESPACE + "/" + groupId + "/NCMD/" + edgeNode + "/#", 0);
		client.subscribe(NAMESPACE + "/" + groupId + "/DCMD/" + edgeNode + "/#", 0);
		

		List<Metric> nodeMetrics = new ArrayList<Metric>();
		List<Metric> deviceMetrics = new ArrayList<Metric>();
		
		// Loop forever publishing data every PUBLISH_PERIOD
		while (true) {
			Thread.sleep(PUBLISH_PERIOD);
			
			synchronized(seqLock) {
				if (client.isConnected()) {

					System.out.println("Time: " + calendar.getTimeInMillis() + "  Index: " + index);
					
					// Add a 'real time' metric
					nodeMetrics.add(new MetricBuilder("MyNodeMetric", Int32, index)
							.timestamp(calendar.getTime())
							.createMetric());

					// Add a 'real time' metric
					deviceMetrics.add(new MetricBuilder("MyDeviceMetric", Int32, index+50)
							.timestamp(calendar.getTime())
							.createMetric());

					// Publish, increment the calendar and index and reset
					calendar.add(Calendar.MILLISECOND, 1);
					if (index == 50) {
						index = 0;
						
						System.out.println("nodeMetrics: " + nodeMetrics.size());
						System.out.println("deviceMetrics: " + deviceMetrics.size());

						SparkplugBPayload nodePayload = new SparkplugBPayload(
								new Date(), 
								nodeMetrics, 
								getSeqNum(),
								null, 
								null);
						
						client.publish(NAMESPACE + "/" + groupId + "/NDATA/" + edgeNode, 
								new SparkplugBPayloadEncoder().getBytes(nodePayload), 0, false);
						
						SparkplugBPayload devicePayload = new SparkplugBPayload(
								new Date(),
								deviceMetrics,
								getSeqNum(),
								null, 
								null);

						client.publish(NAMESPACE + "/" + groupId + "/DDATA/" + edgeNode + "/" + deviceId, 
								new SparkplugBPayloadEncoder().getBytes(devicePayload), 0, false);
						
						nodeMetrics = new ArrayList<Metric>();
						deviceMetrics = new ArrayList<Metric>();
					} else {
						index++;
					}
				} else {
					System.out.println("Not connected - not publishing data");
				}
			}
		}
	} catch(Exception e) {
		e.printStackTrace();
	}
}

Example 19

Source File: MqttAsyncClientFactory.java From jframe with Apache License 2.0

4 votes

private MqttConnectOptions createConnectOptions() {
    MqttConnectOptions connOpts = new MqttConnectOptions();
    connOpts.setAutomaticReconnect(conf.getConfBool(id, MqttClientConf.F_mqtt_session_autoReconnect, "false"));
    connOpts.setCleanSession(conf.getConfBool(id, MqttClientConf.F_mqtt_session_clean, "false"));
    return connOpts;
}

Example 20

Source File: EngineTemperatureSensorLiveTest.java From tutorials with MIT License

3 votes

@Test
public void whenSendSingleMessage_thenSuccess() throws Exception {

    String publisherId = UUID.randomUUID().toString();
    MqttClient publisher = new MqttClient("tcp://iot.eclipse.org:1883",publisherId);
    
    String subscriberId = UUID.randomUUID().toString();
    MqttClient subscriber = new MqttClient("tcp://iot.eclipse.org:1883",subscriberId);
    
    MqttConnectOptions options = new MqttConnectOptions();
    options.setAutomaticReconnect(true);
    options.setCleanSession(true);
    options.setConnectionTimeout(10);
    
    
    subscriber.connect(options);
    publisher.connect(options);
    
    CountDownLatch receivedSignal = new CountDownLatch(1);
    
    subscriber.subscribe(EngineTemperatureSensor.TOPIC, (topic, msg) -> {
        byte[] payload = msg.getPayload();
        log.info("[I46] Message received: topic={}, payload={}", topic, new String(payload));
        receivedSignal.countDown();
    });
    
    
    Callable<Void> target = new EngineTemperatureSensor(publisher);
    target.call();

    receivedSignal.await(1, TimeUnit.MINUTES);

    log.info("[I56] Success !");
}