Examples with StompJmsConnectionFactory org.fusesource.stomp.jms.StompJmsConnectionFactory used on opensource projects

Example 1 with StompJmsConnectionFactory

use of org.fusesource.stomp.jms.StompJmsConnectionFactory in project fabric8 by jboss-fuse.

the class ExtendedBurnIn method lotsOfClientLoad.

@Test
public void lotsOfClientLoad() throws Exception {
    startRestEndpoint();
    startHttpGateway();
    DetectingGateway gateway = startDetectingGateway();
    final ShutdownTracker tracker = new ShutdownTracker();
    // Run some concurrent load against the broker via the gateway...
    final StompJmsConnectionFactory factory = new StompJmsConnectionFactory();
    factory.setBrokerURI("tcp://localhost:" + gateway.getBoundPort());
    for (int client = 0; client < 10; client++) {
        new Thread("JMS Client: " + client) {

            @Override
            public void run() {
                while (tracker.attemptRetain()) {
                    try {
                        Connection connection = factory.createConnection();
                        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                        MessageConsumer consumer = session.createConsumer(session.createTopic("FOO"));
                        MessageProducer producer = session.createProducer(session.createTopic("FOO"));
                        producer.send(session.createTextMessage("Hello"));
                        consumer.receive(1000);
                        connection.close();
                    } catch (JMSException e) {
                        e.printStackTrace();
                    } finally {
                        tracker.release();
                    }
                }
            }
        }.start();
    }
    int httpPort = gateway.getBoundPort();
    final URL httpUrl = new URL("http://localhost:" + httpPort + "/hello/world");
    for (int client = 0; client < 10; client++) {
        new Thread("HTTP Client: " + client) {

            @Override
            public void run() {
                while (tracker.attemptRetain()) {
                    try {
                        InputStream is = httpUrl.openConnection().getInputStream();
                        try {
                            ByteArrayOutputStream baos = new ByteArrayOutputStream();
                            int c = 0;
                            while ((c = is.read()) >= 0) {
                                baos.write(c);
                            }
                            assertEquals("Hello World!", new String(baos.toByteArray()));
                        } finally {
                            is.close();
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        tracker.release();
                    }
                }
            }
        }.start();
    }
    MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
    // Lets monitor memory usage for 5 min..
    for (int i = 0; i < 60 * 5; i++) {
        Thread.sleep(900);
        Runtime.getRuntime().gc();
        Thread.sleep(100);
        long usedMB = ((Long) ((CompositeData) mBeanServer.getAttribute(new ObjectName("java.lang:type=Memory"), "HeapMemoryUsage")).get("used")).longValue() / (1024 * 1024);
        System.out.println("Using " + usedMB + " MB of heap.");
    }
    tracker.stop();
}