Examples with ContinueBarrier org.agrona.console.ContinueBarrier used on opensource projects

Example 1 with ContinueBarrier

use of org.agrona.console.ContinueBarrier in project Aeron by real-logic.

the class EmbeddedExclusiveThroughput method main.

public static void main(final String[] args) throws Exception {
    MediaDriver.loadPropertiesFiles(args);
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), EmbeddedExclusiveThroughput::printRate);
    final FragmentHandler rateReporterHandler = rateReporterHandler(reporter);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    final Aeron.Context context = new Aeron.Context();
    final AtomicBoolean running = new AtomicBoolean(true);
    try (MediaDriver ignore = MediaDriver.launch();
        Aeron aeron = Aeron.connect(context);
        ExclusivePublication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID);
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID)) {
        executor.execute(reporter);
        executor.execute(() -> SamplesUtil.subscriberLoop(rateReporterHandler, FRAGMENT_COUNT_LIMIT, running).accept(subscription));
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        do {
            System.out.format("%nStreaming %,d messages of size %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++) {
                ATOMIC_BUFFER.putLong(0, i);
                OFFER_IDLE_STRATEGY.reset();
                while (publication.offer(ATOMIC_BUFFER, 0, ATOMIC_BUFFER.capacity()) < 0) {
                    OFFER_IDLE_STRATEGY.idle();
                    backPressureCount++;
                }
            }
            System.out.println("Done streaming. backPressureRatio=" + ((double) backPressureCount / NUMBER_OF_MESSAGES));
            if (0 < LINGER_TIMEOUT_MS) {
                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 2 with ContinueBarrier

use of org.agrona.console.ContinueBarrier in project Aeron by real-logic.

the class EmbeddedPingPong method runPing.

private static void runPing(final String embeddedDirName) throws InterruptedException {
    final Aeron.Context ctx = new Aeron.Context().availableImageHandler(EmbeddedPingPong::availablePongImageHandler).aeronDirectoryName(embeddedDirName);
    System.out.println("Publishing Ping at " + PING_CHANNEL + " on stream Id " + PING_STREAM_ID);
    System.out.println("Subscribing Pong at " + PONG_CHANNEL + " on stream Id " + PONG_STREAM_ID);
    System.out.println("Message size of " + MESSAGE_LENGTH + " bytes");
    final FragmentAssembler dataHandler = new FragmentAssembler(EmbeddedPingPong::pongHandler);
    try (Aeron aeron = Aeron.connect(ctx);
        Publication pingPublication = aeron.addPublication(PING_CHANNEL, PING_STREAM_ID);
        Subscription pongSubscription = aeron.addSubscription(PONG_CHANNEL, PONG_STREAM_ID)) {
        System.out.println("Waiting for new image from Pong...");
        PONG_IMAGE_LATCH.await();
        System.out.println("Warming up... " + WARMUP_NUMBER_OF_ITERATIONS + " iterations of " + WARMUP_NUMBER_OF_MESSAGES + " messages");
        for (int i = 0; i < WARMUP_NUMBER_OF_ITERATIONS; i++) {
            roundTripMessages(dataHandler, pingPublication, pongSubscription, WARMUP_NUMBER_OF_MESSAGES);
        }
        Thread.sleep(100);
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        do {
            HISTOGRAM.reset();
            System.out.println("Pinging " + NUMBER_OF_MESSAGES + " messages");
            roundTripMessages(dataHandler, pingPublication, pongSubscription, NUMBER_OF_MESSAGES);
            System.out.println("Histogram of RTT latencies in microseconds.");
            HISTOGRAM.outputPercentileDistribution(System.out, 1000.0);
        } while (barrier.await());
    }
}

Example 3 with ContinueBarrier

use of org.agrona.console.ContinueBarrier in project Aeron by real-logic.

the class Ping method main.

public static void main(final String[] args) throws Exception {
    final MediaDriver driver = EMBEDDED_MEDIA_DRIVER ? MediaDriver.launchEmbedded() : null;
    final Aeron.Context ctx = new Aeron.Context().availableImageHandler(Ping::availablePongImageHandler);
    final FragmentHandler fragmentHandler = new FragmentAssembler(Ping::pongHandler);
    if (EMBEDDED_MEDIA_DRIVER) {
        ctx.aeronDirectoryName(driver.aeronDirectoryName());
    }
    System.out.println("Publishing Ping at " + PING_CHANNEL + " on stream Id " + PING_STREAM_ID);
    System.out.println("Subscribing Pong at " + PONG_CHANNEL + " on stream Id " + PONG_STREAM_ID);
    System.out.println("Message length of " + MESSAGE_LENGTH + " bytes");
    try (Aeron aeron = Aeron.connect(ctx)) {
        System.out.println("Warming up... " + WARMUP_NUMBER_OF_ITERATIONS + " iterations of " + WARMUP_NUMBER_OF_MESSAGES + " messages");
        try (Publication publication = aeron.addPublication(PING_CHANNEL, PING_STREAM_ID);
            Subscription subscription = aeron.addSubscription(PONG_CHANNEL, PONG_STREAM_ID)) {
            LATCH.await();
            for (int i = 0; i < WARMUP_NUMBER_OF_ITERATIONS; i++) {
                roundTripMessages(fragmentHandler, publication, subscription, WARMUP_NUMBER_OF_MESSAGES);
            }
            Thread.sleep(100);
            final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
            do {
                HISTOGRAM.reset();
                System.out.println("Pinging " + NUMBER_OF_MESSAGES + " messages");
                roundTripMessages(fragmentHandler, publication, subscription, NUMBER_OF_MESSAGES);
                System.out.println("Histogram of RTT latencies in microseconds.");
                HISTOGRAM.outputPercentileDistribution(System.out, 1000.0);
            } while (barrier.await());
        }
    }
    CloseHelper.quietClose(driver);
}

Example 4 with ContinueBarrier

use of org.agrona.console.ContinueBarrier in project Aeron by real-logic.

the class StreamingPublisher method main.

public static void main(final String[] args) throws Exception {
    if (MESSAGE_LENGTH < SIZE_OF_LONG) {
        throw new IllegalArgumentException(String.format("Message length must be at least %d bytes", SIZE_OF_LONG));
    }
    final MediaDriver driver = EMBEDDED_MEDIA_DRIVER ? MediaDriver.launchEmbedded() : null;
    final Aeron.Context context = new Aeron.Context();
    if (EMBEDDED_MEDIA_DRIVER) {
        context.aeronDirectoryName(driver.aeronDirectoryName());
    }
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), StreamingPublisher::printRate);
    final ExecutorService executor = Executors.newFixedThreadPool(1);
    executor.execute(reporter);
    // clean up resources when this try block is finished.
    try (Aeron aeron = Aeron.connect(context);
        Publication publication = aeron.addPublication(CHANNEL, STREAM_ID)) {
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        do {
            printingActive = true;
            System.out.format("%nStreaming %,d messages of%s size %d bytes to %s on stream Id %d%n", NUMBER_OF_MESSAGES, (RANDOM_MESSAGE_LENGTH) ? " random" : "", MESSAGE_LENGTH, CHANNEL, STREAM_ID);
            long backPressureCount = 0;
            for (long i = 0; i < NUMBER_OF_MESSAGES; i++) {
                final int length = LENGTH_GENERATOR.getAsInt();
                ATOMIC_BUFFER.putLong(0, i);
                OFFER_IDLE_STRATEGY.reset();
                while (publication.offer(ATOMIC_BUFFER, 0, length) < 0L) {
                    // The offer failed, which is usually due to the publication
                    // being temporarily blocked.  Retry the offer after a short
                    // spin/yield/sleep, depending on the chosen IdleStrategy.
                    backPressureCount++;
                    OFFER_IDLE_STRATEGY.idle();
                }
                reporter.onMessage(1, length);
            }
            System.out.println("Done streaming. Back pressure ratio " + ((double) backPressureCount / NUMBER_OF_MESSAGES));
            if (0 < LINGER_TIMEOUT_MS) {
                System.out.println("Lingering for " + LINGER_TIMEOUT_MS + " milliseconds...");
                Thread.sleep(LINGER_TIMEOUT_MS);
            }
            printingActive = false;
        } while (barrier.await());
    }
    reporter.halt();
    executor.shutdown();
    CloseHelper.quietClose(driver);
}

Example 5 with ContinueBarrier

use of org.agrona.console.ContinueBarrier in project Aeron by real-logic.

the class EmbeddedThroughput method main.

public static void main(final String[] args) throws Exception {
    MediaDriver.loadPropertiesFiles(args);
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), EmbeddedThroughput::printRate);
    final FragmentHandler rateReporterHandler = rateReporterHandler(reporter);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    final Aeron.Context context = new Aeron.Context();
    final AtomicBoolean running = new AtomicBoolean(true);
    try (MediaDriver ignore = MediaDriver.launch();
        Aeron aeron = Aeron.connect(context);
        Publication publication = aeron.addPublication(CHANNEL, STREAM_ID);
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID)) {
        executor.execute(reporter);
        executor.execute(() -> SamplesUtil.subscriberLoop(rateReporterHandler, FRAGMENT_COUNT_LIMIT, running).accept(subscription));
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        do {
            System.out.format("%nStreaming %,d messages of size %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++) {
                ATOMIC_BUFFER.putLong(0, i);
                OFFER_IDLE_STRATEGY.reset();
                while (publication.offer(ATOMIC_BUFFER, 0, ATOMIC_BUFFER.capacity()) < 0) {
                    OFFER_IDLE_STRATEGY.idle();
                    backPressureCount++;
                }
            }
            System.out.println("Done streaming. backPressureRatio=" + ((double) backPressureCount / NUMBER_OF_MESSAGES));
            if (0 < LINGER_TIMEOUT_MS) {
                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();
    }
}