Java Code Examples for org.eclipse.paho.client.mqttv3.MqttClient#setTimeToWait()

The following examples show how to use org.eclipse.paho.client.mqttv3.MqttClient#setTimeToWait() . 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: 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 2

Source File: MqttClientService.java From activemq-artemis with Apache License 2.0

6 votes

@PostConstruct
public void init() throws MqttException {
   final String serverURI = "tcp://localhost:1883";
   final MqttConnectOptions options = new MqttConnectOptions();
   options.setAutomaticReconnect(true);
   options.setCleanSession(false);
   options.setMaxInflight(1000);
   options.setServerURIs(new String[] {serverURI});
   options.setMqttVersion(MQTT_VERSION_3_1_1);

   final ThreadFactory threadFactory = new DefaultThreadFactory("mqtt-client-exec");
   executorService = new ScheduledThreadPoolExecutor(corePoolSize, threadFactory, new ThreadPoolExecutor.CallerRunsPolicy());
   mqttClient = new MqttClient(serverURI, clientId, persistence, executorService);
   mqttClient.setTimeToWait(-1);
   mqttClient.connect(options);
   mqttClient.setCallback(this);
   log.debugf("[MQTT][Connected][client: %s]", clientId);
}

Example 3

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 4

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);	
		client.subscribe(NAMESPACE + "/#", 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(), 
							newMetrics(false), 
							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 5

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 6

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();
	}
}