Examples with Listener net.dempsy.transport.Listener used on opensource projects

Example 1 with Listener

use of net.dempsy.transport.Listener in project Dempsy by Dempsy.

the class TcpTransportTest method testConnectionRecovery.

@Test
public void testConnectionRecovery() throws Exception {
    try (final ServiceTracker tr = new ServiceTracker()) {
        final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).numHandlers(2).useLocalHost(true);
        // can't test connection recovery here.
        if (!(r instanceof DisruptableRecevier))
            return;
        final ThreadingModel tm = tr.track(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + ".testConnectionRecovery"));
        final Infrastructure infra = tr.track(new TestInfrastructure(tm));
        final TcpAddress addr = r.getAddress(infra);
        LOGGER.debug(addr.toString());
        final AtomicReference<RoutedMessage> rm = new AtomicReference<>(null);
        r.start((Listener<RoutedMessage>) msg -> {
            rm.set(msg);
            return true;
        }, infra);
        try (final SenderFactory sf = senderFactory.get()) {
            sf.start(new TestInfrastructure(tm) {

                @Override
                public String getNodeId() {
                    return "test";
                }
            });
            final Sender sender = sf.getSender(addr);
            sender.send(new RoutedMessage(new int[] { 0 }, "Hello", "Hello"));
            assertTrue(poll(o -> rm.get() != null));
            assertEquals("Hello", rm.get().message);
            assertTrue(((DisruptableRecevier) r).disrupt(addr));
            final AtomicBoolean stop = new AtomicBoolean(false);
            final RoutedMessage resetMessage = new RoutedMessage(new int[] { 0 }, "RESET", "RESET");
            final Thread senderThread = new Thread(() -> {
                try {
                    while (!stop.get()) {
                        sender.send(resetMessage);
                        dontInterrupt(() -> Thread.sleep(100));
                    }
                } catch (final InterruptedException ie) {
                    if (!stop.get())
                        LOGGER.error("Interrupted send");
                }
            }, "testConnectionRecovery-sender");
            senderThread.start();
            try {
                assertTrue(poll(o -> "RESET".equals(rm.get().message)));
            } finally {
                stop.set(true);
                if (!poll(senderThread, t -> {
                    dontInterrupt(() -> t.join(10000));
                    return !t.isAlive();
                }))
                    LOGGER.error("FAILED TO SHUT DOWN TEST SENDING THREAD. THREAD LEAK!");
            }
        }
    }
}

Example 2 with Listener

use of net.dempsy.transport.Listener in project Dempsy by Dempsy.

the class TcpTransportTest method testMessage.

@Test
public void testMessage() throws Exception {
    try (ServiceTracker tr = new ServiceTracker()) {
        final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).numHandlers(2).useLocalHost(true);
        final ThreadingModel tm = tr.track(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + ".testMessage"));
        final Infrastructure infra = tr.track(new TestInfrastructure(tm));
        final TcpAddress addr = r.getAddress(infra);
        LOGGER.debug(addr.toString());
        final AtomicReference<RoutedMessage> rm = new AtomicReference<>(null);
        r.start((Listener<RoutedMessage>) msg -> {
            rm.set(msg);
            return true;
        }, infra);
        try (final SenderFactory sf = senderFactory.get()) {
            sf.start(new TestInfrastructure(tm) {

                @Override
                public String getNodeId() {
                    return "test";
                }
            });
            final Sender sender = sf.getSender(addr);
            sender.send(new RoutedMessage(new int[] { 0 }, "Hello", "Hello"));
            assertTrue(poll(o -> rm.get() != null));
            assertEquals("Hello", rm.get().message);
        }
    }
}

Example 3 with Listener

use of net.dempsy.transport.Listener in project Dempsy by Dempsy.

the class TcpTransportTest method runMultiMessage.

private void runMultiMessage(final String testName, final int numThreads, final int numMessagePerThread, final String message, final Serializer serializer) throws Exception {
    try (final ServiceTracker tr = new ServiceTracker()) {
        final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).numHandlers(2).useLocalHost(true).maxMessageSize(1024 * 1024 * 1024);
        final ThreadingModel tm = tr.track(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + "." + testName));
        final Infrastructure infra = tr.track(new TestInfrastructure(tm));
        final TcpAddress addr = r.getAddress(infra);
        LOGGER.debug(addr.toString());
        final AtomicLong msgCount = new AtomicLong();
        r.start((Listener<RoutedMessage>) msg -> {
            msgCount.incrementAndGet();
            return true;
        }, infra);
        final AtomicBoolean letMeGo = new AtomicBoolean(false);
        final CountDownLatch waitToExit = new CountDownLatch(1);
        final List<Thread> threads = IntStream.range(0, numThreads).mapToObj(threadNum -> new Thread(() -> {
            try (final SenderFactory sf = senderFactory.get()) {
                sf.start(new TestInfrastructure(null, null) {

                    @Override
                    public Map<String, String> getConfiguration() {
                        final Map<String, String> ret = new HashMap<>();
                        ret.put(sf.getClass().getPackage().getName() + "." + NioSenderFactory.CONFIG_KEY_SENDER_THREADS, NUM_SENDER_THREADS);
                        return ret;
                    }
                });
                final Sender sender = sf.getSender(addr);
                while (!letMeGo.get()) Thread.yield();
                try {
                    for (int i = 0; i < numMessagePerThread; i++) sender.send(new RoutedMessage(new int[] { 0 }, "Hello", message));
                } catch (final InterruptedException ie) {
                    LOGGER.error("Interrupted in send.");
                }
                try {
                    waitToExit.await();
                } catch (final InterruptedException ie) {
                }
            }
        }, "testMultiMessage-Sender-" + threadNum)).map(th -> chain(th, t -> t.start())).collect(Collectors.toList());
        Thread.sleep(10);
        // here's we go.
        letMeGo.set(true);
        // the total number of messages sent should be this count.
        assertTrue(poll(Long.valueOf((long) numThreads * (long) numMessagePerThread), v -> v.longValue() == msgCount.get()));
        // let the threads exit
        waitToExit.countDown();
        // all threads should eventually exit.
        assertTrue(poll(threads, o -> o.stream().filter(t -> t.isAlive()).count() == 0));
    }
}

Example 4 with Listener

use of net.dempsy.transport.Listener in project Dempsy by Dempsy.

the class TcpTransportTest method testLargeMessage.

@Test
public void testLargeMessage() throws Exception {
    final String huge = TestWordCount.readBible();
    try (final ServiceTracker tr = new ServiceTracker()) {
        final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).numHandlers(2).useLocalHost(true).maxMessageSize(1024 * 1024 * 1024);
        final ThreadingModel tm = tr.track(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + ".testLargeMessage"));
        final Infrastructure infra = tr.track(new TestInfrastructure(tm));
        final TcpAddress addr = r.getAddress(infra);
        LOGGER.debug(addr.toString());
        final AtomicReference<RoutedMessage> rm = new AtomicReference<>(null);
        r.start((Listener<RoutedMessage>) msg -> {
            rm.set(msg);
            return true;
        }, infra);
        try (final SenderFactory sf = senderFactory.get()) {
            sf.start(new TestInfrastructure(null, null));
            final Sender sender = sf.getSender(addr);
            sender.send(new RoutedMessage(new int[] { 0 }, "Hello", huge));
            assertTrue(poll(o -> rm.get() != null));
            assertEquals(huge, rm.get().message);
        }
    }
}