Examples with MessageCounterInfo org.apache.activemq.artemis.api.core.management.MessageCounterInfo used on opensource projects

Example 1 with MessageCounterInfo

use of org.apache.activemq.artemis.api.core.management.MessageCounterInfo in project activemq-artemis by apache.

the class QueueControlTest method testListMessageCounter.

@Test
public void testListMessageCounter() throws Exception {
    SimpleString address = RandomUtil.randomSimpleString();
    SimpleString queue = RandomUtil.randomSimpleString();
    session.createQueue(address, RoutingType.MULTICAST, queue, null, durable);
    QueueControl queueControl = createManagementControl(address, queue);
    ActiveMQServerControl serverControl = ManagementControlHelper.createActiveMQServerControl(mbeanServer);
    serverControl.enableMessageCounters();
    serverControl.setMessageCounterSamplePeriod(100);
    String jsonString = queueControl.listMessageCounter();
    MessageCounterInfo info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(0, info.getDepth());
    Assert.assertEquals(0, info.getCount());
    ClientProducer producer = session.createProducer(address);
    producer.send(session.createMessage(durable));
    Thread.sleep(200);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(1, info.getDepth());
    Assert.assertEquals(1, info.getDepthDelta());
    Assert.assertEquals(1, info.getCount());
    Assert.assertEquals(1, info.getCountDelta());
    producer.send(session.createMessage(durable));
    Thread.sleep(200);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(2, info.getDepth());
    Assert.assertEquals(1, info.getDepthDelta());
    Assert.assertEquals(2, info.getCount());
    Assert.assertEquals(1, info.getCountDelta());
    consumeMessages(2, session, queue);
    Thread.sleep(200);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(0, info.getDepth());
    Assert.assertEquals(-2, info.getDepthDelta());
    Assert.assertEquals(2, info.getCount());
    Assert.assertEquals(0, info.getCountDelta());
    session.deleteQueue(queue);
}

Example 2 with MessageCounterInfo

use of org.apache.activemq.artemis.api.core.management.MessageCounterInfo in project activemq-artemis by apache.

the class MessageCounterExample method main.

public static void main(final String[] args) throws Exception {
    QueueConnection connection = null;
    InitialContext initialContext = null;
    try {
        // Step 1. Create an initial context to perform the JNDI lookup.
        initialContext = new InitialContext();
        // Step 2. Perfom a lookup on the queue
        Queue queue = (Queue) initialContext.lookup("queue/exampleQueue");
        // Step 3. Perform a lookup on the Connection Factory
        QueueConnectionFactory cf = (QueueConnectionFactory) initialContext.lookup("ConnectionFactory");
        // Step 4.Create a JMS Connection, session and a producer for the queue
        connection = cf.createQueueConnection();
        QueueSession session = connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(queue);
        // Step 5. Create and send a Text Message
        TextMessage message = session.createTextMessage("This is a text message");
        producer.send(message);
        System.out.println("Sent message: " + message.getText());
        // Step 6. Sleep a little bit so that the queue is sampled
        System.out.println("Sleep a little bit to have the queue sampled...");
        Thread.sleep(3000);
        // Step 7. Use JMX to retrieve the message counters using the JMSQueueControl
        ObjectName on = ObjectNameBuilder.DEFAULT.getQueueObjectName(SimpleString.toSimpleString(queue.getQueueName()), SimpleString.toSimpleString(queue.getQueueName()), RoutingType.ANYCAST);
        // we dont actually need credentials as the guest login i sused but this is how its done
        HashMap env = new HashMap();
        String[] creds = { "guest", "guest" };
        env.put(JMXConnector.CREDENTIALS, creds);
        JMXConnector connector = JMXConnectorFactory.connect(new JMXServiceURL(JMX_URL), env);
        MBeanServerConnection mbsc = connector.getMBeanServerConnection();
        QueueControl queueControl = MBeanServerInvocationHandler.newProxyInstance(mbsc, on, QueueControl.class, false);
        // Step 8. List the message counters and convert them to MessageCounterInfo data structure.
        String counters = queueControl.listMessageCounter();
        MessageCounterInfo messageCounter = MessageCounterInfo.fromJSON(counters);
        // Step 9. Display the message counter
        displayMessageCounter(messageCounter);
        // Step 10. Sleep again to have the queue sampled again
        System.out.println("Sleep a little bit again...");
        Thread.sleep(3000);
        // Step 11. List the messages counters again
        counters = queueControl.listMessageCounter();
        messageCounter = MessageCounterInfo.fromJSON(counters);
        displayMessageCounter(messageCounter);
        // Step 12. Create a JMS consumer on the queue
        MessageConsumer consumer = session.createConsumer(queue);
        // Step 13. Start the connection to receive messages on the consumer
        connection.start();
        // Step 14. Receive a JMS message from the queue. It corresponds to the message sent at step #5
        TextMessage messageReceived = (TextMessage) consumer.receive(5000);
        System.out.format("Received message: %s%n%n", messageReceived.getText());
        // Step 15. Sleep on last time to have the queue sampled
        System.out.println("Sleep a little bit one last time...");
        Thread.sleep(3000);
        // Step 16. Display one last time the message counter
        counters = queueControl.listMessageCounter();
        messageCounter = MessageCounterInfo.fromJSON(counters);
        displayMessageCounter(messageCounter);
    } finally {
        // Step 17. Be sure to close our JMS resources!
        if (initialContext != null) {
            initialContext.close();
        }
        if (connection != null) {
            connection.close();
        }
    }
}

Example 3 with MessageCounterInfo

use of org.apache.activemq.artemis.api.core.management.MessageCounterInfo in project activemq-artemis by apache.

the class ClusteredMessageCounterTest method testMessageCounterWithPaging.

@Test
public void testMessageCounterWithPaging() throws Exception {
    startServers(0, 1);
    try {
        setupSessionFactory(0, isNetty());
        setupSessionFactory(1, isNetty());
        createQueue(0, "queues", "queue0", null, false);
        createQueue(1, "queues", "queue0", null, false);
        waitForBindings(1, "queues", 1, 0, true);
        waitForBindings(0, "queues", 1, 0, false);
        System.out.println("sending.....");
        Thread sendThread = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    send(0, "queues", numMsg, true, null);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                System.out.println("messages sent.");
            }
        });
        QueueControl control = (QueueControl) servers[1].getManagementService().getResource(ResourceNames.QUEUE + "queue0");
        ActiveMQServerControl serverControl = (ActiveMQServerControl) servers[1].getManagementService().getResource(ResourceNames.BROKER);
        serverControl.setMessageCounterSamplePeriod(300);
        CountDownLatch resultLatch = new CountDownLatch(40);
        MessageCounterCollector collector = new MessageCounterCollector(control, resultLatch);
        timer1.schedule(collector, 0);
        PeriodicalReceiver receiver = new PeriodicalReceiver(50, 1, 100);
        timer2.schedule(receiver, 0);
        sendThread.start();
        try {
            resultLatch.await(120, TimeUnit.SECONDS);
        } finally {
            stopFlag.set(true);
        }
        sendThread.join();
        System.out.println("Results collected: " + results.size());
        // checking
        for (MessageCounterInfo info : results) {
            assertTrue("countDelta should be positive " + info.getCountDelta() + dumpResults(results), info.getCountDelta() >= 0);
        }
    } finally {
        timer1.cancel();
        timer2.cancel();
        stopServers(0, 1);
    }
}

Example 4 with MessageCounterInfo

use of org.apache.activemq.artemis.api.core.management.MessageCounterInfo in project activemq-artemis by apache.

the class QueueControlTest method testResetMessageCounter.

@Test
public void testResetMessageCounter() throws Exception {
    SimpleString address = RandomUtil.randomSimpleString();
    SimpleString queue = RandomUtil.randomSimpleString();
    session.createQueue(address, RoutingType.MULTICAST, queue, null, durable);
    QueueControl queueControl = createManagementControl(address, queue);
    ActiveMQServerControl serverControl = ManagementControlHelper.createActiveMQServerControl(mbeanServer);
    serverControl.enableMessageCounters();
    serverControl.setMessageCounterSamplePeriod(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD);
    String jsonString = queueControl.listMessageCounter();
    MessageCounterInfo info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(0, info.getDepth());
    Assert.assertEquals(0, info.getCount());
    ClientProducer producer = session.createProducer(address);
    producer.send(session.createMessage(durable));
    Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(1, info.getDepth());
    Assert.assertEquals(1, info.getDepthDelta());
    Assert.assertEquals(1, info.getCount());
    Assert.assertEquals(1, info.getCountDelta());
    consumeMessages(1, session, queue);
    Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(0, info.getDepth());
    Assert.assertEquals(-1, info.getDepthDelta());
    Assert.assertEquals(1, info.getCount());
    Assert.assertEquals(0, info.getCountDelta());
    queueControl.resetMessageCounter();
    Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2);
    jsonString = queueControl.listMessageCounter();
    info = MessageCounterInfo.fromJSON(jsonString);
    Assert.assertEquals(0, info.getDepth());
    Assert.assertEquals(0, info.getDepthDelta());
    Assert.assertEquals(0, info.getCount());
    Assert.assertEquals(0, info.getCountDelta());
    session.deleteQueue(queue);
}