io.aeron.driver.ThreadingMode Java Exaples

Source File: LowLatencyMediaDriver.java From rpc-bench with Apache License 2.0

6 votes

@SuppressWarnings("checkstyle:UncommentedMain")
public static void main(final String... args) {
  MediaDriver.loadPropertiesFiles(args);

  setProperty(DISABLE_BOUNDS_CHECKS_PROP_NAME, "true");
  setProperty("aeron.mtu.length", "16384");
  setProperty("aeron.socket.so_sndbuf", "2097152");
  setProperty("aeron.socket.so_rcvbuf", "2097152");
  setProperty("aeron.rcv.initial.window.length", "2097152");

  final MediaDriver.Context ctx = new MediaDriver.Context()
      .threadingMode(ThreadingMode.DEDICATED)
      .dirsDeleteOnStart(true)
      .termBufferSparseFile(false)
      .conductorIdleStrategy(new BusySpinIdleStrategy())
      .receiverIdleStrategy(new BusySpinIdleStrategy())
      .senderIdleStrategy(new BusySpinIdleStrategy());

  try (MediaDriver ignored = MediaDriver.launch(ctx)) {
    new SigIntBarrier().await();

  }
}

Source File: PongTest.java From aeron with Apache License 2.0

6 votes

@BeforeEach
public void before()
{
    driver = TestMediaDriver.launch(
        new MediaDriver.Context()
            .errorHandler(Tests::onError)
            .publicationTermBufferLength(LogBufferDescriptor.TERM_MIN_LENGTH)
            .threadingMode(ThreadingMode.SHARED),
        testWatcher);

    pingClient = Aeron.connect();
    pongClient = Aeron.connect();

    pingSubscription = pongClient.addSubscription(PING_URI, PING_STREAM_ID);
    pingPublication = pingClient.addPublication(PING_URI, PING_STREAM_ID);

    pongSubscription = pingClient.addSubscription(PONG_URI, PONG_STREAM_ID);
    pongPublication = pongClient.addPublication(PONG_URI, PONG_STREAM_ID);
}

Source File: SpecifiedPositionPublicationTest.java From aeron with Apache License 2.0

6 votes

@Test
public void shouldRejectSpecifiedPositionForConcurrentPublications()
{
    final ErrorHandler mockErrorHandler = mock(ErrorHandler.class);
    final MediaDriver.Context context = new MediaDriver.Context()
        .errorHandler(mockErrorHandler)
        .dirDeleteOnStart(true)
        .publicationTermBufferLength(LogBufferDescriptor.TERM_MIN_LENGTH)
        .threadingMode(ThreadingMode.SHARED);

    try (TestMediaDriver ignore = TestMediaDriver.launch(context, testWatcher);
        Aeron aeron = Aeron.connect())
    {
        final String channel = new ChannelUriStringBuilder()
            .media("ipc")
            .initialPosition(1024, -873648623, 65536)
            .build();

        assertThrows(RegistrationException.class, () -> aeron.addPublication(channel, 1001));
    }
    finally
    {
        context.deleteDirectory();
    }
}

Source File: AuthenticationTest.java From aeron with Apache License 2.0

6 votes

private void launchClusteredMediaDriver(final AuthenticatorSupplier authenticatorSupplier)
{
    clusteredMediaDriver = ClusteredMediaDriver.launch(
        new MediaDriver.Context()
            .warnIfDirectoryExists(true)
            .threadingMode(ThreadingMode.SHARED)
            .errorHandler(ClusterTests.errorHandler(0))
            .dirDeleteOnStart(true)
            .dirDeleteOnShutdown(false),
        new Archive.Context()
            .maxCatalogEntries(MAX_CATALOG_ENTRIES)
            .threadingMode(ArchiveThreadingMode.SHARED)
            .recordingEventsEnabled(false)
            .deleteArchiveOnStart(true),
        new ConsensusModule.Context()
            .errorHandler(ClusterTests.errorHandler(0))
            .authenticatorSupplier(authenticatorSupplier)
            .terminationHook(ClusterTests.TERMINATION_HOOK)
            .deleteDirOnStart(true));
}

Source File: MultiDestinationCastTest.java From aeron with Apache License 2.0

6 votes

private void launch()
{
    final String baseDirA = ROOT_DIR + "A";
    final String baseDirB = ROOT_DIR + "B";

    buffer.putInt(0, 1);

    final MediaDriver.Context driverAContext = new MediaDriver.Context()
        .errorHandler(Tests::onError)
        .publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .aeronDirectoryName(baseDirA)
        .threadingMode(ThreadingMode.SHARED);

    driverBContext.publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .errorHandler(Tests::onError)
        .aeronDirectoryName(baseDirB)
        .threadingMode(ThreadingMode.SHARED);

    driverA = TestMediaDriver.launch(driverAContext, testWatcher);
    driverB = TestMediaDriver.launch(driverBContext, testWatcher);
    clientA = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverAContext.aeronDirectoryName()));
    clientB = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverBContext.aeronDirectoryName()));
}

Source File: NameReResolutionTest.java From aeron with Apache License 2.0

6 votes

@BeforeEach
public void before()
{
    final MediaDriver.Context context = new MediaDriver.Context()
        .publicationTermBufferLength(LogBufferDescriptor.TERM_MIN_LENGTH)
        .dirDeleteOnStart(true)
        .dirDeleteOnShutdown(true)
        .threadingMode(ThreadingMode.SHARED);

    TestMediaDriver.enableCsvNameLookupConfiguration(context, STUB_LOOKUP_CONFIGURATION);

    driver = TestMediaDriver.launch(context, testWatcher);

    client = Aeron.connect();
    countersReader = client.countersReader();
}

Source File: EmbeddedPingPong.java From aeron with Apache License 2.0

6 votes

public static void main(final String[] args) throws Exception
{
    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 ignored = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect())
    {
        final Thread pongThread = startPong(aeron);
        pongThread.start();

        runPing(aeron);
        RUNNING.set(false);
        pongThread.join();

        System.out.println("Shutdown Driver...");
    }
}

Source File: ClusterNodeRestartTest.java From aeron with Apache License 2.0

6 votes

private void launchClusteredMediaDriver(final boolean initialLaunch)
{
    clusteredMediaDriver = ClusteredMediaDriver.launch(
        new MediaDriver.Context()
            .warnIfDirectoryExists(initialLaunch)
            .threadingMode(ThreadingMode.SHARED)
            .termBufferSparseFile(true)
            .errorHandler(ClusterTests.errorHandler(0))
            .dirDeleteOnStart(true),
        new Archive.Context()
            .maxCatalogEntries(MAX_CATALOG_ENTRIES)
            .recordingEventsEnabled(false)
            .threadingMode(ArchiveThreadingMode.SHARED)
            .deleteArchiveOnStart(initialLaunch),
        new ConsensusModule.Context()
            .errorHandler(ClusterTests.errorHandler(0))
            .terminationHook(terminationLatch::countDown)
            .deleteDirOnStart(initialLaunch));
}

Source File: SingleNodeCluster.java From aeron with Apache License 2.0

6 votes

void connectClientToCluster()
{
    final String aeronDirectoryName = CommonContext.getAeronDirectoryName() + "-client";

    clientMediaDriver = MediaDriver.launch(
        new MediaDriver.Context()
            .threadingMode(ThreadingMode.SHARED)
            .dirDeleteOnStart(true)
            .dirDeleteOnShutdown(true)
            .errorHandler(Throwable::printStackTrace)
            .aeronDirectoryName(aeronDirectoryName));

    client = AeronCluster.connect(
        new AeronCluster.Context()
            .errorHandler(Throwable::printStackTrace)
            .egressListener(egressMessageListener)
            .aeronDirectoryName(aeronDirectoryName));
}

Source File: LowLatencyMediaDriver.java From aeron with Apache License 2.0

6 votes

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...");
    }
}

Source File: MultiModuleSharedDriverTest.java From aeron with Apache License 2.0

6 votes

MultiClusterNode(final int nodeId)
{
    this.nodeId = nodeId;

    final MediaDriver.Context driverCtx = new MediaDriver.Context()
        .aeronDirectoryName(CommonContext.getAeronDirectoryName() + "-" + nodeId)
        .threadingMode(ThreadingMode.SHARED)
        .errorHandler(Tests::onError)
        .dirDeleteOnStart(true);

    final Archive.Context archiveCtx = new Archive.Context()
        .threadingMode(ArchiveThreadingMode.SHARED)
        .archiveDir(new File(SystemUtil.tmpDirName(), "archive-" + nodeId))
        .controlChannel("aeron:udp?endpoint=localhost:801" + nodeId)
        .errorHandler(Tests::onError)
        .recordingEventsEnabled(false)
        .deleteArchiveOnStart(true);

    archivingMediaDriver = ArchivingMediaDriver.launch(driverCtx, archiveCtx);
    consensusModule0 = consensusModule(0, driverCtx.aeronDirectoryName());
    container0 = container(consensusModule0.context());
    consensusModule1 = consensusModule(1, driverCtx.aeronDirectoryName());
    container1 = container(consensusModule1.context());
}

Source File: ClusterNodeTest.java From aeron with Apache License 2.0

6 votes

@BeforeEach
public void before()
{
    clusteredMediaDriver = ClusteredMediaDriver.launch(
        new MediaDriver.Context()
            .threadingMode(ThreadingMode.SHARED)
            .termBufferSparseFile(true)
            .errorHandler(ClusterTests.errorHandler(0))
            .dirDeleteOnStart(true),
        new Archive.Context()
            .maxCatalogEntries(MAX_CATALOG_ENTRIES)
            .threadingMode(ArchiveThreadingMode.SHARED)
            .recordingEventsEnabled(false)
            .deleteArchiveOnStart(true),
        new ConsensusModule.Context()
            .errorHandler(ClusterTests.errorHandler(0))
            .terminationHook(ClusterTests.TERMINATION_HOOK)
            .logChannel("aeron:ipc")
            .deleteDirOnStart(true));
}

Source File: AeronUtil.java From nd4j with Apache License 2.0

6 votes

/**
 * Get a media driver context
 * for sending ndarrays
 * based on a given length
 * where length is the length (number of elements)
 * in the ndarrays hat are being sent
 * @param length the length to based the ipc length
 * @return the media driver context based on the given length
 */
public static MediaDriver.Context getMediaDriverContext(int length) {
    //length of array * sizeof(float)
    int ipcLength = length * 16;
    //padding for NDArrayMessage
    ipcLength += 64;
    //must be a power of 2
    ipcLength *= 2;
    //ipc length must be positive power of 2
    while (!BitUtil.isPowerOfTwo(ipcLength))
        ipcLength += 2;
    // System.setProperty("aeron.term.buffer.size",String.valueOf(ipcLength));
    final MediaDriver.Context ctx =
                    new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirsDeleteOnStart(true)
                                    /*  .ipcTermBufferLength(ipcLength)
                                      .publicationTermBufferLength(ipcLength)
                                      .maxTermBufferLength(ipcLength)*/
                                    .conductorIdleStrategy(new BusySpinIdleStrategy())
                                    .receiverIdleStrategy(new BusySpinIdleStrategy())
                                    .senderIdleStrategy(new BusySpinIdleStrategy());
    return ctx;
}

Source File: ArchiveAuthenticationTest.java From aeron with Apache License 2.0

6 votes

private void launchArchivingMediaDriver(final AuthenticatorSupplier authenticatorSupplier)
{
    mediaDriver = TestMediaDriver.launch(
        new MediaDriver.Context()
            .aeronDirectoryName(aeronDirectoryName)
            .termBufferSparseFile(true)
            .threadingMode(ThreadingMode.SHARED)
            .errorHandler(Tests::onError)
            .spiesSimulateConnection(false)
            .dirDeleteOnStart(true),
        testWatcher);

    archive = Archive.launch(
        new Archive.Context()
            .maxCatalogEntries(Common.MAX_CATALOG_ENTRIES)
            .aeronDirectoryName(aeronDirectoryName)
            .deleteArchiveOnStart(true)
            .archiveDir(new File(SystemUtil.tmpDirName(), "archive"))
            .fileSyncLevel(0)
            .authenticatorSupplier(authenticatorSupplier)
            .threadingMode(ArchiveThreadingMode.SHARED));
}

Source File: LowLatencyMediaDriver.java From nd4j with Apache License 2.0

6 votes

@SuppressWarnings("checkstyle:UncommentedMain")
public static void main(final String... args) {
    MediaDriver.loadPropertiesFiles(args);

    setProperty(DISABLE_BOUNDS_CHECKS_PROP_NAME, "true");
    setProperty("aeron.mtu.length", "16384");
    setProperty("aeron.socket.so_sndbuf", "2097152");
    setProperty("aeron.socket.so_rcvbuf", "2097152");
    setProperty("aeron.rcv.initial.window.length", "2097152");

    final MediaDriver.Context ctx =
                    new MediaDriver.Context().threadingMode(ThreadingMode.DEDICATED).dirsDeleteOnStart(true)
                                    .termBufferSparseFile(false).conductorIdleStrategy(new BusySpinIdleStrategy())
                                    .receiverIdleStrategy(new BusySpinIdleStrategy())
                                    .senderIdleStrategy(new BusySpinIdleStrategy());

    try (MediaDriver ignored = MediaDriver.launch(ctx)) {
        new SigIntBarrier().await();

    }
}

Source File: ClusterTimerTest.java From aeron with Apache License 2.0

6 votes

private void launchClusteredMediaDriver(final boolean initialLaunch)
{
    clusteredMediaDriver = null;

    clusteredMediaDriver = ClusteredMediaDriver.launch(
        new MediaDriver.Context()
            .warnIfDirectoryExists(initialLaunch)
            .threadingMode(ThreadingMode.SHARED)
            .termBufferSparseFile(true)
            .errorHandler(ClusterTests.errorHandler(0))
            .dirDeleteOnStart(true),
        new Archive.Context()
            .maxCatalogEntries(MAX_CATALOG_ENTRIES)
            .threadingMode(ArchiveThreadingMode.SHARED)
            .recordingEventsEnabled(false)
            .deleteArchiveOnStart(initialLaunch),
        new ConsensusModule.Context()
            .errorHandler(ClusterTests.errorHandler(0))
            .terminationHook(ClusterTests.TERMINATION_HOOK)
            .deleteDirOnStart(initialLaunch));
}

Source File: AeronUtil.java From deeplearning4j with Apache License 2.0

6 votes

/**
 * Get a media driver context
 * for sending ndarrays
 * based on a given length
 * where length is the length (number of elements)
 * in the ndarrays hat are being sent
 * @param length the length to based the ipc length
 * @return the media driver context based on the given length
 */
public static MediaDriver.Context getMediaDriverContext(int length) {
    //length of array * sizeof(float)
    int ipcLength = length * 16;
    //padding for NDArrayMessage
    ipcLength += 64;
    //must be a power of 2
    ipcLength *= 2;
    //ipc length must be positive power of 2
    while (!BitUtil.isPowerOfTwo(ipcLength))
        ipcLength += 2;
    // System.setProperty("aeron.term.buffer.size",String.valueOf(ipcLength));
    final MediaDriver.Context ctx =
                    new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirsDeleteOnStart(true)
                                    /*  .ipcTermBufferLength(ipcLength)
                                      .publicationTermBufferLength(ipcLength)
                                      .maxTermBufferLength(ipcLength)*/
                                    .conductorIdleStrategy(new BusySpinIdleStrategy())
                                    .receiverIdleStrategy(new BusySpinIdleStrategy())
                                    .senderIdleStrategy(new BusySpinIdleStrategy());
    return ctx;
}

Source File: LowLatencyMediaDriver.java From deeplearning4j with Apache License 2.0

6 votes

@SuppressWarnings("checkstyle:UncommentedMain")
public static void main(final String... args) {
    MediaDriver.loadPropertiesFiles(args);

    setProperty(DISABLE_BOUNDS_CHECKS_PROP_NAME, "true");
    setProperty("aeron.mtu.length", "16384");
    setProperty("aeron.socket.so_sndbuf", "2097152");
    setProperty("aeron.socket.so_rcvbuf", "2097152");
    setProperty("aeron.rcv.initial.window.length", "2097152");

    final MediaDriver.Context ctx =
                    new MediaDriver.Context().threadingMode(ThreadingMode.DEDICATED).dirsDeleteOnStart(true)
                                    .termBufferSparseFile(false).conductorIdleStrategy(new BusySpinIdleStrategy())
                                    .receiverIdleStrategy(new BusySpinIdleStrategy())
                                    .senderIdleStrategy(new BusySpinIdleStrategy());

    try (MediaDriver ignored = MediaDriver.launch(ctx)) {
        new SigIntBarrier().await();

    }
}

Source File: EmbeddedExclusiveBufferClaimIpcThroughput.java From aeron with Apache License 2.0

5 votes

public static void main(final String[] args) throws Exception
{
    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 ignore = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect();
        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();
    }
}

Source File: EmbeddedBufferClaimIpcThroughput.java From aeron with Apache License 2.0

5 votes

public static void main(final String[] args) throws Exception
{
    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 ignore = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect();
        Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID);
        Publication publication = aeron.addPublication(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();
    }
}

Source File: MaxFlowControlStrategySystemTest.java From aeron with Apache License 2.0

5 votes

private void launch()
{
    final String baseDirA = ROOT_DIR + "A";
    final String baseDirB = ROOT_DIR + "B";

    buffer.putInt(0, 1);

    driverAContext.publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .aeronDirectoryName(baseDirA)
        .timerIntervalNs(TimeUnit.MILLISECONDS.toNanos(100))
        .errorHandler(Tests::onError)
        .threadingMode(ThreadingMode.SHARED);

    driverBContext.publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .aeronDirectoryName(baseDirB)
        .timerIntervalNs(TimeUnit.MILLISECONDS.toNanos(100))
        .errorHandler(Tests::onError)
        .threadingMode(ThreadingMode.SHARED);

    driverA = TestMediaDriver.launch(driverAContext, testWatcher);
    driverB = TestMediaDriver.launch(driverBContext, testWatcher);
    clientA = Aeron.connect(
        new Aeron.Context()
            .errorHandler(Tests::onError)
            .aeronDirectoryName(driverAContext.aeronDirectoryName()));

    clientB = Aeron.connect(
        new Aeron.Context()
            .errorHandler(Tests::onError)
            .aeronDirectoryName(driverBContext.aeronDirectoryName()));
}

Source File: SingleNodeCluster.java From aeron with Apache License 2.0

5 votes

public SingleNodeCluster(final ClusteredService externalService, final boolean cleanStart)
{
    final MediaDriver.Context mediaDriverContext = new MediaDriver.Context();
    final ConsensusModule.Context consensusModuleContext = new ConsensusModule.Context();
    final Archive.Context archiveContext = new Archive.Context();
    final ClusteredServiceContainer.Context serviceContainerContext = new ClusteredServiceContainer.Context();

    final ClusteredService service = null == externalService ? new SingleNodeCluster.Service() : externalService;

    mediaDriverContext
        .threadingMode(ThreadingMode.SHARED)
        .errorHandler(Throwable::printStackTrace)
        .dirDeleteOnShutdown(true)
        .dirDeleteOnStart(true);

    archiveContext
        .recordingEventsEnabled(false)
        .threadingMode(ArchiveThreadingMode.SHARED)
        .deleteArchiveOnStart(cleanStart);

    consensusModuleContext
        .errorHandler(Throwable::printStackTrace)
        .deleteDirOnStart(cleanStart);

    serviceContainerContext
        .clusteredService(service)
        .errorHandler(Throwable::printStackTrace);

    clusteredMediaDriver = ClusteredMediaDriver.launch(
        mediaDriverContext,
        archiveContext,
        consensusModuleContext);

    container = ClusteredServiceContainer.launch(serviceContainerContext);
}

Source File: BasicAuctionClusterClient.java From aeron with Apache License 2.0

5 votes

public static void main(final String[] args)
{
    final int customerId = Integer.parseInt(System.getProperty("aeron.cluster.tutorial.customerId"));       // <1>
    final int numOfBids = Integer.parseInt(System.getProperty("aeron.cluster.tutorial.numOfBids"));         // <2>
    final int bidIntervalMs = Integer.parseInt(System.getProperty("aeron.cluster.tutorial.bidIntervalMs")); // <3>

    final String ingressEndpoints = ingressEndpoints(Arrays.asList("localhost", "localhost", "localhost"));
    final BasicAuctionClusterClient client = new BasicAuctionClusterClient(customerId, numOfBids, bidIntervalMs);

    // tag::connect[]
    final int egressPort = 19000 + customerId;

    try (
        MediaDriver mediaDriver = MediaDriver.launchEmbedded(new MediaDriver.Context()                      // <1>
            .threadingMode(ThreadingMode.SHARED)
            .dirDeleteOnStart(true)
            .dirDeleteOnShutdown(true));
        AeronCluster aeronCluster = AeronCluster.connect(
            new AeronCluster.Context()
            .egressListener(client)                                                                         // <2>
            .egressChannel("aeron:udp?endpoint=localhost:" + egressPort)                                    // <3>
            .aeronDirectoryName(mediaDriver.aeronDirectoryName())
            .ingressChannel("aeron:udp")                                                                    // <4>
            .ingressEndpoints(ingressEndpoints)))                                                           // <5>
    {
    // end::connect[]
        client.bidInAuction(aeronCluster);
    }
}

Source File: ArchiveLoggingAgentTest.java From aeron with Apache License 2.0

5 votes

private void testArchiveLogging(final String enabledEvents, final EnumSet<ArchiveEventCode> expectedEvents)
    throws InterruptedException
{
    before(enabledEvents, expectedEvents);

    final String aeronDirectoryName = testDir.toPath().resolve("media").toString();

    final MediaDriver.Context mediaDriverCtx = new MediaDriver.Context()
        .errorHandler(Tests::onError)
        .aeronDirectoryName(aeronDirectoryName)
        .dirDeleteOnStart(true)
        .threadingMode(ThreadingMode.SHARED);

    final AeronArchive.Context aeronArchiveContext = new AeronArchive.Context()
        .aeronDirectoryName(aeronDirectoryName)
        .controlRequestChannel("aeron:udp?term-length=64k|endpoint=localhost:8010")
        .controlRequestStreamId(100)
        .controlResponseChannel("aeron:udp?term-length=64k|endpoint=localhost:8020")
        .controlResponseStreamId(101)
        .recordingEventsChannel("aeron:udp?control-mode=dynamic|control=localhost:8030");

    final Archive.Context archiveCtx = new Archive.Context()
        .errorHandler(Tests::onError)
        .archiveDir(new File(testDir, "archive"))
        .deleteArchiveOnStart(true)
        .controlChannel(aeronArchiveContext.controlRequestChannel())
        .controlStreamId(aeronArchiveContext.controlRequestStreamId())
        .localControlStreamId(aeronArchiveContext.controlRequestStreamId())
        .recordingEventsChannel(aeronArchiveContext.recordingEventsChannel())
        .threadingMode(ArchiveThreadingMode.SHARED);

    try (ArchivingMediaDriver ignore1 = ArchivingMediaDriver.launch(mediaDriverCtx, archiveCtx))
    {
        try (AeronArchive ignore2 = AeronArchive.connect(aeronArchiveContext))
        {
            latch.await();
        }
    }
}

Source File: AeronNDArrayResponseTest.java From nd4j with Apache License 2.0

5 votes

@Before
public void before() {
    final MediaDriver.Context ctx =
                    new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirsDeleteOnStart(true)
                                    .termBufferSparseFile(false).conductorIdleStrategy(new BusySpinIdleStrategy())
                                    .receiverIdleStrategy(new BusySpinIdleStrategy())
                                    .senderIdleStrategy(new BusySpinIdleStrategy());
    mediaDriver = MediaDriver.launchEmbedded(ctx);
    System.out.println("Using media driver directory " + mediaDriver.aeronDirectoryName());
    System.out.println("Launched media driver");
}

Source File: AeronNDArrayResponseTest.java From deeplearning4j with Apache License 2.0

5 votes

@Before
public void before() {
    if(isIntegrationTests()) {
        final MediaDriver.Context ctx =
                new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirsDeleteOnStart(true)
                        .termBufferSparseFile(false).conductorIdleStrategy(new BusySpinIdleStrategy())
                        .receiverIdleStrategy(new BusySpinIdleStrategy())
                        .senderIdleStrategy(new BusySpinIdleStrategy());
        mediaDriver = MediaDriver.launchEmbedded(ctx);
        System.out.println("Using media driver directory " + mediaDriver.aeronDirectoryName());
        System.out.println("Launched media driver");
    }
}

Source File: EmbeddedExclusiveVectoredIpcThroughput.java From aeron with Apache License 2.0

5 votes

public static void main(final String[] args) throws Exception
{
    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 ignore = MediaDriver.launch(ctx);
        Aeron aeron = Aeron.connect();
        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();
    }
}

Source File: TestCluster.java From aeron with Apache License 2.0

5 votes

AeronCluster connectClient()
{
    final String aeronDirName = CommonContext.getAeronDirectoryName();

    if (null == clientMediaDriver)
    {
        dataCollector.add(Paths.get(aeronDirName));

        clientMediaDriver = MediaDriver.launch(
            new MediaDriver.Context()
                .threadingMode(ThreadingMode.SHARED)
                .dirDeleteOnStart(true)
                .dirDeleteOnShutdown(false)
                .aeronDirectoryName(aeronDirName));
    }

    CloseHelper.close(client);
    client = AeronCluster.connect(
        new AeronCluster.Context()
            .aeronDirectoryName(aeronDirName)
            .egressListener(egressMessageListener)
            .ingressChannel("aeron:udp?term-length=64k")
            .egressChannel(CLUSTER_EGRESS_CHANNEL)
            .ingressEndpoints(staticClusterMemberEndpoints));

    return client;
}

Source File: StartFromTruncatedRecordingLogTest.java From aeron with Apache License 2.0

5 votes

@BeforeEach
public void before()
{
    for (int i = 0; i < MEMBER_COUNT; i++)
    {
        echoServices[i] = new EchoService();
        startNode(i, true);
    }

    clientMediaDriver = MediaDriver.launch(
        new MediaDriver.Context()
            .threadingMode(ThreadingMode.SHARED)
            .warnIfDirectoryExists(false)
            .dirDeleteOnStart(true));
}

Source File: Server.java From artio with Apache License 2.0

5 votes

public Server()
{
    final AuthenticationStrategy authenticationStrategy = logon -> true;

    // Static configuration lasts the duration of a FIX-Gateway instance
    final String aeronChannel = "aeron:udp?endpoint=localhost:10000";
    final EngineConfiguration configuration = new EngineConfiguration()
        .bindTo("localhost", StressConfiguration.PORT)
        .logFileDir("stress-server-logs")
        .libraryAeronChannel(aeronChannel)
        .sessionPersistenceStrategy(alwaysPersistent());

    configuration
        .authenticationStrategy(authenticationStrategy)
        .agentNamePrefix("server-");

    System.out.println("Server Logs at " + configuration.logFileDir());

    StressUtil.cleanupOldLogFileDir(configuration);

    final MediaDriver.Context context = new MediaDriver.Context()
        .threadingMode(ThreadingMode.SHARED)
        .dirDeleteOnStart(true);

    final Archive.Context archiveContext = new Archive.Context()
        .threadingMode(ArchiveThreadingMode.SHARED)
        .deleteArchiveOnStart(true);

    mediaDriver = ArchivingMediaDriver.launch(context, archiveContext);
    fixEngine = FixEngine.launch(configuration);

    final LibraryConfiguration libraryConfiguration = new LibraryConfiguration();
    libraryConfiguration
        .agentNamePrefix("server-");

    fixLibrary = blockingConnect(libraryConfiguration
        .sessionAcquireHandler((session, acquiredInfo) -> new StressSessionHandler(session))
        .sessionExistsHandler(new AcquiringSessionExistsHandler(true))
        .libraryAeronChannels(singletonList(aeronChannel)));
}

io.aeron.driver.ThreadingMode Java Examples