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

Example 11 with MediaDriver

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

the class ClusteredMediaDriver method launch.

/**
 * Launch a new {@link ClusteredMediaDriver} with provided contexts.
 *
 * @param driverCtx          for configuring the {@link MediaDriver}.
 * @param archiveCtx         for configuring the {@link Archive}.
 * @param consensusModuleCtx for the configuration of the {@link ConsensusModule}.
 * @return a new {@link ClusteredMediaDriver} with the provided contexts.
 */
public static ClusteredMediaDriver launch(final MediaDriver.Context driverCtx, final Archive.Context archiveCtx, final ConsensusModule.Context consensusModuleCtx) {
    MediaDriver driver = null;
    Archive archive = null;
    ConsensusModule consensusModule = null;
    try {
        driver = MediaDriver.launch(driverCtx);
        final int errorCounterId = SystemCounterDescriptor.ERRORS.id();
        final AtomicCounter errorCounter = null != archiveCtx.errorCounter() ? archiveCtx.errorCounter() : new AtomicCounter(driverCtx.countersValuesBuffer(), errorCounterId);
        final ErrorHandler errorHandler = null != archiveCtx.errorHandler() ? archiveCtx.errorHandler() : driverCtx.errorHandler();
        archive = Archive.launch(archiveCtx.mediaDriverAgentInvoker(driver.sharedAgentInvoker()).aeronDirectoryName(driver.aeronDirectoryName()).errorHandler(errorHandler).errorCounter(errorCounter));
        consensusModule = ConsensusModule.launch(consensusModuleCtx.aeronDirectoryName(driverCtx.aeronDirectoryName()));
        return new ClusteredMediaDriver(driver, archive, consensusModule);
    } catch (final Exception ex) {
        CloseHelper.quietCloseAll(consensusModule, archive, driver);
        throw ex;
    }
}

Example 12 with MediaDriver

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

the class ClusterBackupMediaDriver method launch.

/**
 * Launch a new {@link ClusterBackupMediaDriver} with provided contexts.
 *
 * @param driverCtx        for configuring the {@link MediaDriver}.
 * @param archiveCtx       for configuring the {@link Archive}.
 * @param clusterBackupCtx for the configuration of the {@link ClusterBackup}.
 * @return a new {@link ClusterBackupMediaDriver} with the provided contexts.
 */
public static ClusterBackupMediaDriver launch(final MediaDriver.Context driverCtx, final Archive.Context archiveCtx, final ClusterBackup.Context clusterBackupCtx) {
    MediaDriver driver = null;
    Archive archive = null;
    ClusterBackup clusterBackup = null;
    try {
        driver = MediaDriver.launch(driverCtx.spiesSimulateConnection(true));
        final int errorCounterId = SystemCounterDescriptor.ERRORS.id();
        final AtomicCounter errorCounter = null != archiveCtx.errorCounter() ? archiveCtx.errorCounter() : new AtomicCounter(driverCtx.countersValuesBuffer(), errorCounterId);
        final ErrorHandler errorHandler = null != archiveCtx.errorHandler() ? archiveCtx.errorHandler() : driverCtx.errorHandler();
        archive = Archive.launch(archiveCtx.aeronDirectoryName(driverCtx.aeronDirectoryName()).mediaDriverAgentInvoker(driver.sharedAgentInvoker()).errorHandler(errorHandler).errorCounter(errorCounter));
        clusterBackup = ClusterBackup.launch(clusterBackupCtx.aeronDirectoryName(driverCtx.aeronDirectoryName()));
        return new ClusterBackupMediaDriver(driver, archive, clusterBackup);
    } catch (final Exception ex) {
        CloseHelper.quietCloseAll(clusterBackup, archive, driver);
        throw ex;
    }
}

Example 13 with MediaDriver

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

the class RateSubscriber method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the task is interrupted
 * @throws ExecutionException if the {@link Future} has an error.
 */
public static void main(final String[] args) throws InterruptedException, ExecutionException {
    System.out.println("Subscribing to " + CHANNEL + " on stream id " + STREAM_ID);
    final MediaDriver driver = EMBEDDED_MEDIA_DRIVER ? MediaDriver.launchEmbedded() : null;
    final ExecutorService executor = Executors.newFixedThreadPool(1);
    final Aeron.Context ctx = new Aeron.Context().availableImageHandler(SamplesUtil::printAvailableImage).unavailableImageHandler(SamplesUtil::printUnavailableImage);
    if (EMBEDDED_MEDIA_DRIVER) {
        ctx.aeronDirectoryName(driver.aeronDirectoryName());
    }
    final RateReporter reporter = new RateReporter(TimeUnit.SECONDS.toNanos(1), SamplesUtil::printRate);
    final AtomicBoolean running = new AtomicBoolean(true);
    SigInt.register(() -> {
        reporter.halt();
        running.set(false);
    });
    try (Aeron aeron = Aeron.connect(ctx);
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID)) {
        final Future<?> future = executor.submit(() -> SamplesUtil.subscriberLoop(rateReporterHandler(reporter), FRAGMENT_COUNT_LIMIT, running).accept(subscription));
        reporter.run();
        System.out.println("Shutting down...");
        future.get();
    }
    executor.shutdown();
    if (!executor.awaitTermination(5, TimeUnit.SECONDS)) {
        System.out.println("Warning: not all tasks completed promptly");
    }
    CloseHelper.close(driver);
}

Example 14 with MediaDriver

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

the class LowLatencyMediaDriver method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process which will be used for loading properties files.
 */
@SuppressWarnings("try")
public static void main(final String[] args) {
    loadPropertiesFiles(args);
    final MediaDriver.Context ctx = new MediaDriver.Context().termBufferSparseFile(false).useWindowsHighResTimer(true).threadingMode(ThreadingMode.DEDICATED).conductorIdleStrategy(BusySpinIdleStrategy.INSTANCE).receiverIdleStrategy(NoOpIdleStrategy.INSTANCE).senderIdleStrategy(NoOpIdleStrategy.INSTANCE);
    try (MediaDriver ignored = MediaDriver.launch(ctx)) {
        new ShutdownSignalBarrier().await();
        System.out.println("Shutdown Driver...");
    }
}

Example 15 with MediaDriver

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

the class Pong method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 */
public static void main(final String[] args) {
    final MediaDriver driver = EMBEDDED_MEDIA_DRIVER ? MediaDriver.launchEmbedded() : null;
    final Aeron.Context ctx = new Aeron.Context();
    if (EMBEDDED_MEDIA_DRIVER) {
        ctx.aeronDirectoryName(driver.aeronDirectoryName());
    }
    if (INFO_FLAG) {
        ctx.availableImageHandler(SamplesUtil::printAvailableImage);
        ctx.unavailableImageHandler(SamplesUtil::printUnavailableImage);
    }
    final IdleStrategy idleStrategy = new BusySpinIdleStrategy();
    System.out.println("Subscribing Ping at " + PING_CHANNEL + " on stream id " + PING_STREAM_ID);
    System.out.println("Publishing Pong at " + PONG_CHANNEL + " on stream id " + PONG_STREAM_ID);
    System.out.println("Using exclusive publications " + EXCLUSIVE_PUBLICATIONS);
    final AtomicBoolean running = new AtomicBoolean(true);
    SigInt.register(() -> running.set(false));
    try (Aeron aeron = Aeron.connect(ctx);
        Subscription subscription = aeron.addSubscription(PING_CHANNEL, PING_STREAM_ID);
        Publication publication = EXCLUSIVE_PUBLICATIONS ? aeron.addExclusivePublication(PONG_CHANNEL, PONG_STREAM_ID) : aeron.addPublication(PONG_CHANNEL, PONG_STREAM_ID)) {
        final BufferClaim bufferClaim = new BufferClaim();
        final FragmentHandler fragmentHandler = (buffer, offset, length, header) -> pingHandler(bufferClaim, publication, buffer, offset, length, header);
        while (running.get()) {
            idleStrategy.idle(subscription.poll(fragmentHandler, FRAME_COUNT_LIMIT));
        }
        System.out.println("Shutting down...");
    }
    CloseHelper.close(driver);
}