Examples with MediaDriver io.aeron.driver.MediaDriver used on opensource projects

Example 46 with MediaDriver

use of io.aeron.driver.MediaDriver in project Aeron by real-logic.

the class EmbeddedThroughput method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the thread is interrupted during linger.
 */
public static void main(final String[] args) throws InterruptedException {
    loadPropertiesFiles(args);
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), EmbeddedThroughput::printRate);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    final AtomicBoolean running = new AtomicBoolean(true);
    try (MediaDriver mediaDriver = MediaDriver.launch();
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID);
        Publication publication = aeron.addPublication(CHANNEL, STREAM_ID)) {
        executor.execute(reporter);
        executor.execute(() -> SamplesUtil.subscriberLoop(rateReporterHandler(reporter), FRAGMENT_COUNT_LIMIT, running).accept(subscription));
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        final IdleStrategy idleStrategy = SampleConfiguration.newIdleStrategy();
        do {
            System.out.format("%nStreaming %,d messages of payload length %d bytes to %s on stream id %d%n", NUMBER_OF_MESSAGES, MESSAGE_LENGTH, CHANNEL, STREAM_ID);
            printingActive = true;
            long backPressureCount = 0;
            for (long i = 0; i < NUMBER_OF_MESSAGES; i++) {
                OFFER_BUFFER.putLong(0, i);
                idleStrategy.reset();
                while (publication.offer(OFFER_BUFFER, 0, MESSAGE_LENGTH, null) < 0) {
                    backPressureCount++;
                    idleStrategy.idle();
                }
            }
            System.out.println("Done streaming. backPressureRatio=" + ((double) backPressureCount / NUMBER_OF_MESSAGES));
            if (LINGER_TIMEOUT_MS > 0) {
                System.out.println("Lingering for " + LINGER_TIMEOUT_MS + " milliseconds...");
                Thread.sleep(LINGER_TIMEOUT_MS);
            }
            printingActive = false;
        } while (barrier.await());
        running.set(false);
        reporter.halt();
        executor.shutdown();
    }
}

Example 47 with MediaDriver

use of io.aeron.driver.MediaDriver in project Aeron by real-logic.

the class EmbeddedExclusiveBufferClaimIpcThroughput method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the join on the created threads is interrupted.
 */
public static void main(final String[] args) throws InterruptedException {
    loadPropertiesFiles(args);
    final AtomicBoolean running = new AtomicBoolean(true);
    SigInt.register(() -> running.set(false));
    final MediaDriver.Context ctx = new MediaDriver.Context().threadingMode(ThreadingMode.SHARED);
    try (MediaDriver mediaDriver = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID);
        Publication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID)) {
        final ImageRateSubscriber subscriber = new ImageRateSubscriber(FRAGMENT_COUNT_LIMIT, running, subscription);
        final Thread subscriberThread = new Thread(subscriber);
        subscriberThread.setName("subscriber");
        final Thread publisherThread = new Thread(new Publisher(running, publication));
        publisherThread.setName("publisher");
        final Thread rateReporterThread = new Thread(new ImageRateReporter(MESSAGE_LENGTH, running, subscriber));
        rateReporterThread.setName("rate-reporter");
        rateReporterThread.start();
        subscriberThread.start();
        publisherThread.start();
        subscriberThread.join();
        publisherThread.join();
        rateReporterThread.join();
    }
}

Example 48 with MediaDriver

use of io.aeron.driver.MediaDriver in project Aeron by real-logic.

the class EmbeddedExclusiveSpiedThroughput method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if interrupted during linger.
 */
public static void main(final String[] args) throws InterruptedException {
    loadPropertiesFiles(args);
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), EmbeddedExclusiveSpiedThroughput::printRate);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    final AtomicBoolean running = new AtomicBoolean(true);
    final MediaDriver.Context ctx = new MediaDriver.Context().spiesSimulateConnection(true);
    try (MediaDriver mediaDriver = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(CommonContext.SPY_PREFIX + CHANNEL, STREAM_ID);
        ExclusivePublication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID)) {
        executor.execute(reporter);
        executor.execute(() -> SamplesUtil.subscriberLoop(rateReporterHandler(reporter), FRAGMENT_COUNT_LIMIT, running).accept(subscription));
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        final IdleStrategy idleStrategy = SampleConfiguration.newIdleStrategy();
        do {
            System.out.format("%nStreaming %,d messages of payload length %d bytes to %s on stream id %d%n", NUMBER_OF_MESSAGES, MESSAGE_LENGTH, CHANNEL, STREAM_ID);
            printingActive = true;
            long backPressureCount = 0;
            for (long i = 0; i < NUMBER_OF_MESSAGES; i++) {
                OFFER_BUFFER.putLong(0, i);
                idleStrategy.reset();
                while (publication.offer(OFFER_BUFFER, 0, MESSAGE_LENGTH, null) < 0) {
                    backPressureCount++;
                    idleStrategy.idle();
                }
            }
            System.out.println("Done streaming. backPressureRatio=" + ((double) backPressureCount / NUMBER_OF_MESSAGES));
            if (LINGER_TIMEOUT_MS > 0) {
                System.out.println("Lingering for " + LINGER_TIMEOUT_MS + " milliseconds...");
                Thread.sleep(LINGER_TIMEOUT_MS);
            }
            printingActive = false;
        } while (barrier.await());
        running.set(false);
        reporter.halt();
        executor.shutdown();
    }
}

Example 49 with MediaDriver

use of io.aeron.driver.MediaDriver in project Aeron by real-logic.

the class EmbeddedExclusiveVectoredIpcThroughput method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the thread is interrupted while waiting on the threads to join.
 */
public static void main(final String[] args) throws InterruptedException {
    loadPropertiesFiles(args);
    final AtomicBoolean running = new AtomicBoolean(true);
    SigInt.register(() -> running.set(false));
    final MediaDriver.Context ctx = new MediaDriver.Context().threadingMode(ThreadingMode.SHARED);
    try (MediaDriver mediaDriver = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID);
        ExclusivePublication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID)) {
        final ImageRateSubscriber subscriber = new ImageRateSubscriber(FRAGMENT_COUNT_LIMIT, running, subscription);
        final Thread subscriberThread = new Thread(subscriber);
        subscriberThread.setName("subscriber");
        final Thread publisherThread = new Thread(new Publisher(running, publication));
        publisherThread.setName("publisher");
        final Thread rateReporterThread = new Thread(new ImageRateReporter(MESSAGE_LENGTH, running, subscriber));
        rateReporterThread.setName("rate-reporter");
        rateReporterThread.start();
        subscriberThread.start();
        publisherThread.start();
        subscriberThread.join();
        publisherThread.join();
        rateReporterThread.join();
    }
}

Example 50 with MediaDriver

use of io.aeron.driver.MediaDriver in project Aeron by real-logic.

the class EmbeddedPingPong method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the thread is interrupted.
 */
public static void main(final String[] args) throws InterruptedException {
    loadPropertiesFiles(args);
    final MediaDriver.Context ctx = new MediaDriver.Context().threadingMode(ThreadingMode.DEDICATED).conductorIdleStrategy(new BackoffIdleStrategy(1, 1, 1000, 1000)).receiverIdleStrategy(NoOpIdleStrategy.INSTANCE).senderIdleStrategy(NoOpIdleStrategy.INSTANCE);
    try (MediaDriver mediaDriver = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()))) {
        final Thread pongThread = startPong(aeron);
        pongThread.start();
        runPing(aeron);
        RUNNING.set(false);
        pongThread.join();
        System.out.println("Shutdown Driver...");
    }
}