Examples with ServiceTracker net.dempsy.ServiceTracker used on opensource projects

Example 1 with ServiceTracker

use of net.dempsy.ServiceTracker 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 ServiceTracker

use of net.dempsy.ServiceTracker 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 ServiceTracker

use of net.dempsy.ServiceTracker 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 ServiceTracker

use of net.dempsy.ServiceTracker in project Dempsy by Dempsy.

the class TcpTransportTest method testReceiverStartOnSpecifiedIf.

@Test
public void testReceiverStartOnSpecifiedIf() throws Exception {
    final List<NetworkInterface> ifs = Collections.list(TcpUtils.getInterfaces(null)).stream().filter(nif -> !uncheck(() -> nif.isLoopback())).filter(nif -> nif.inetAddresses().filter(ia -> ia instanceof Inet4Address).anyMatch(ia -> uncheck(() -> ia.isReachable(100)))).collect(Collectors.toList());
    final NetworkInterface nif = (ifs.size() > 1) ? ifs.get(1) : ((ifs.size() == 1) ? ifs.get(0) : null);
    if (nif != null) {
        // otherwise we can do no testing.
        final String ifname = nif.getDisplayName();
        if (Collections.list(nif.getInetAddresses()).size() > 0) {
            // otherwise, we still can't really do anything without a lot of work
            final AtomicBoolean resolverCalled = new AtomicBoolean(false);
            try (ServiceTracker tr = new ServiceTracker()) {
                final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).resolver(a -> {
                    resolverCalled.set(true);
                    return a;
                }).numHandlers(2).useLocalHost(false);
                final Infrastructure infra = tr.track(new TestInfrastructure(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + ".testReceiverStart")) {

                    @Override
                    public Map<String, String> getConfiguration() {
                        final HashMap<String, String> config = new HashMap<>();
                        config.put(NioReceiver.class.getPackage().getName() + "." + NioReceiver.CONFIG_KEY_RECEIVER_NETWORK_IF_NAME, ifname);
                        return config;
                    }
                });
                final TcpAddress addr = r.getAddress(infra);
                assertTrue(Collections.list(nif.getInetAddresses()).contains(addr.inetAddress));
                LOGGER.debug(addr.toString());
                r.start(null, infra);
                assertTrue(resolverCalled.get());
            }
        }
    }
}

Example 5 with ServiceTracker

use of net.dempsy.ServiceTracker in project Dempsy by Dempsy.

the class TcpTransportTest method testReceiverStart.

@Test
public void testReceiverStart() throws Exception {
    final AtomicBoolean resolverCalled = new AtomicBoolean(false);
    try (ServiceTracker tr = new ServiceTracker()) {
        final AbstractTcpReceiver<?, ?> r = tr.track(receiver.get()).resolver(a -> {
            resolverCalled.set(true);
            return a;
        }).numHandlers(2).useLocalHost(true);
        final Infrastructure infra = tr.track(new TestInfrastructure(new DefaultThreadingModel(TcpTransportTest.class.getSimpleName() + ".testReceiverStart")));
        final TcpAddress addr = r.getAddress(infra);
        LOGGER.debug(addr.toString());
        r.start(null, infra);
        assertTrue(resolverCalled.get());
    }
}