io.aeron.driver.MediaDriver Java Examples

The following examples show how to use io.aeron.driver.MediaDriver. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

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

6 votes

static void enableLossGenerationOnReceive(
    final MediaDriver.Context context,
    final double rate,
    final long seed,
    final boolean loseDataMessages,
    final boolean loseControlMessages)
{
    if (shouldRunCMediaDriver())
    {
        CTestMediaDriver.enableLossGenerationOnReceive(context, rate, seed, loseDataMessages, loseControlMessages);
    }
    else
    {
        JavaTestMediaDriver.enableLossGenerationOnReceive(
            context, rate, seed, loseDataMessages, loseControlMessages);
    }
}

Example #2

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

6 votes

public static void enableLossGenerationOnReceive(
    final MediaDriver.Context context,
    final double rate,
    final long seed,
    final boolean loseDataMessages,
    final boolean loseControlMessages)
{
    final LossGenerator dataLossGenerator = loseDataMessages ?
        DebugChannelEndpointConfiguration.lossGeneratorSupplier(rate, seed) :
        DebugChannelEndpointConfiguration.lossGeneratorSupplier(0, 0);

    final LossGenerator controlLossGenerator = loseControlMessages ?
        DebugChannelEndpointConfiguration.lossGeneratorSupplier(rate, seed) :
        DebugChannelEndpointConfiguration.lossGeneratorSupplier(0, 0);

    context.receiveChannelEndpointSupplier((udpChannel, dispatcher, statusIndicator, ctx) ->
        new DebugReceiveChannelEndpoint(
        udpChannel, dispatcher, statusIndicator, ctx, dataLossGenerator, controlLossGenerator));
}

Example #3

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));
}

Example #4

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));
}

Example #5

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...");
    }
}

Example #6

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();

    }
}

Example #7

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

6 votes

@Test
@Timeout(10)
public void shouldSeeNeighbor()
{
    addDriver(TestMediaDriver.launch(setDefaults(new MediaDriver.Context())
        .aeronDirectoryName(baseDir + "-A")
        .resolverName("A")
        .resolverInterface("0.0.0.0:8050"), testWatcher));

    addDriver(TestMediaDriver.launch(setDefaults(new MediaDriver.Context())
        .aeronDirectoryName(baseDir + "-B")
        .resolverName("B")
        .resolverInterface("0.0.0.0:8051")
        .resolverBootstrapNeighbor("localhost:8050"), testWatcher));
    startClients();

    final int aNeighborsCounterId = neighborsCounterId("A");
    final int bNeighborsCounterId = neighborsCounterId("B");

    awaitCounterValue("A", aNeighborsCounterId, 1);
    awaitCounterValue("B", bNeighborsCounterId, 1);
}

Example #8

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...");
    }
}

Example #9

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));
}

Example #10

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());
}

Example #11

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

6 votes

@BeforeClass
public static void before() throws Exception {
    mediaDriver = MediaDriver.launchEmbedded(AeronUtil.getMediaDriverContext(parameterLength));
    System.setProperty("play.server.dir", "/tmp");
    aeron = Aeron.connect(getContext());
    parameterServerNode = new ParameterServerNode(mediaDriver, statusPort);
    parameterServerNode.runMain(new String[] {"-m", "true", "-s", "1," + String.valueOf(parameterLength), "-p",
                    String.valueOf(masterStatusPort), "-h", "localhost", "-id", "11", "-md",
                    mediaDriver.aeronDirectoryName(), "-sp", String.valueOf(statusPort), "-sh", "localhost", "-u",
                    String.valueOf(Runtime.getRuntime().availableProcessors())});

    while (!parameterServerNode.subscriberLaunched()) {
        Thread.sleep(10000);
    }

}

Example #12

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

6 votes

public static void main(final String[] args) throws InterruptedException
{
    System.setProperty(CONTROL_CHANNEL_PROP_NAME, "aeron:udp?endpoint=localhost:9010");
    System.setProperty(CONTROL_RESPONSE_CHANNEL_PROP_NAME, "aeron:udp?endpoint=localhost:9020");

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

    final Archive.Context archiveContext = new Archive.Context()
        .threadingMode(ArchiveThreadingMode.SHARED)
        .deleteArchiveOnStart(true)
        .aeronDirectoryName(AERON_DIRECTORY_NAME)
        .recordingEventsChannel(RECORDING_EVENTS_CHANNEL);

    try (ArchivingMediaDriver driver = ArchivingMediaDriver.launch(context, archiveContext))
    {
        SampleUtil.runAgentUntilSignal(
            new BuyerAgent(),
            driver.mediaDriver());
    }
}

Example #13

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);
}

Example #14

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

6 votes

private void launch(final String channelOne, final int streamOne, final String channelTwo, final int streamTwo)
{
    driverOne = MediaDriver.launchEmbedded(
        new MediaDriver.Context()
            .dirDeleteOnStart(true)
            .errorHandler(Tests::onError)
            .termBufferSparseFile(true));

    driverTwo = MediaDriver.launchEmbedded(
        new MediaDriver.Context()
            .dirDeleteOnStart(true)
            .errorHandler(Tests::onError)
            .termBufferSparseFile(true));

    publisherOne = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverOne.aeronDirectoryName()));
    subscriberOne = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverTwo.aeronDirectoryName()));
    publisherTwo = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverOne.aeronDirectoryName()));
    subscriberTwo = Aeron.connect(new Aeron.Context().aeronDirectoryName(driverTwo.aeronDirectoryName()));

    subscriptionOne = subscriberOne.addSubscription(channelOne, streamOne);
    subscriptionTwo = subscriberTwo.addSubscription(channelTwo, streamTwo);
    publicationOne = publisherOne.addPublication(channelOne, streamOne);
    publicationTwo = publisherTwo.addPublication(channelTwo, streamTwo);
}

Example #15

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

6 votes

/**
 * Launch an {@link Archive} with an embedded {@link MediaDriver} and await a shutdown signal.
 *
 * @param args command line argument which is a list for properties files as URLs or filenames.
 */
public static void main(final String[] args)
{
    loadPropertiesFiles(args);

    final ShutdownSignalBarrier barrier = new ShutdownSignalBarrier();
    final MediaDriver.Context ctx = new MediaDriver.Context();

    ctx.terminationHook(barrier::signal);

    try (ArchivingMediaDriver ignore = launch(ctx, new Archive.Context()))
    {
        barrier.await();

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

Example #16

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

6 votes

public EmbeddedRecordingThroughput()
{
    final String archiveDirName = Archive.Configuration.archiveDirName();
    final File archiveDir = ARCHIVE_DIR_DEFAULT.equals(archiveDirName) ?
        Samples.createTempDir() : new File(archiveDirName);

    archivingMediaDriver = ArchivingMediaDriver.launch(
        new MediaDriver.Context()
            .spiesSimulateConnection(true)
            .dirDeleteOnStart(true),
        new Archive.Context()
            .recordingEventsEnabled(false)
            .archiveDir(archiveDir));

    aeron = Aeron.connect();

    aeronArchive = AeronArchive.connect(
        new AeronArchive.Context()
            .aeron(aeron));
}

Example #17

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();
    }
}

Example #18

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

6 votes

@ParameterizedTest
@ValueSource(strings = {
    "aeron:udp?endpoint=localhost:24325|" + CommonContext.TERM_LENGTH_PARAM_NAME + "=" + TEST_TERM_LENGTH,
    "aeron:ipc?" + CommonContext.TERM_LENGTH_PARAM_NAME + "=" + TEST_TERM_LENGTH
})
public void shouldHaveCorrectTermBufferLength(final String channel)
{
    final MediaDriver.Context ctx = new MediaDriver.Context()
        .errorHandler(Tests::onError)
        .dirDeleteOnStart(true)
        .publicationTermBufferLength(TEST_TERM_LENGTH * 2)
        .ipcTermBufferLength(TEST_TERM_LENGTH * 2);

    try (TestMediaDriver ignore = TestMediaDriver.launch(ctx, testWatcher);
        Aeron aeron = Aeron.connect();
        Publication publication = aeron.addPublication(channel, STREAM_ID))
    {
        assertEquals(TEST_TERM_LENGTH, publication.termBufferLength());
    }
    finally
    {
        ctx.deleteDirectory();
    }
}

Example #19

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

6 votes

@Before
public void launch()
{
    final int libraryAeronPort = unusedPort();

    final MediaDriver.Context context = mediaDriverContext(TestFixtures.TERM_BUFFER_LENGTH, true);
    mediaDriver = launchMediaDriver(context);

    acceptingEngine = FixEngine.launch(
        acceptingConfig(port, ACCEPTOR_ID, INITIATOR_ID)
            .scheduler(new LowResourceEngineScheduler())
            .deleteLogFileDirOnStart(true));

    final EngineConfiguration initiatingConfig = initiatingConfig(libraryAeronPort);
    initiatingConfig.deleteLogFileDirOnStart(true);
    initiatingConfig.printErrorMessages(false);
    initiatingEngine = FixEngine.launch(initiatingConfig);

    initiatingLibrary = newInitiatingLibrary(libraryAeronPort, initiatingHandler);
    testSystem = new TestSystem(initiatingLibrary);
}

Example #20

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));
}

Example #21

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();

  }
}

Example #22

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");
}

Example #23

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

5 votes

@BeforeEach
public void before()
{
    labelBuffer.putStringWithoutLengthAscii(0, COUNTER_LABEL);

    driver = TestMediaDriver.launch(
        new MediaDriver.Context()
            .errorHandler(Tests::onError)
            .threadingMode(ThreadingMode.SHARED),
        testWatcher);

    clientA = Aeron.connect();
    clientB = Aeron.connect();
}

Example #24

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

5 votes

@BeforeEach
void launch()
{
    buffer.putInt(0, 1);

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

    driver = TestMediaDriver.launch(context, testWatcher);
    client = Aeron.connect(new Aeron.Context().aeronDirectoryName(driver.aeronDirectoryName()));
}

Example #25

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();
        }
    }
}

Example #26

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

5 votes

@Test
public void shouldNotifyOfClientTimestampCounter()
{
    final MediaDriver.Context driverCtx = new MediaDriver.Context()
        .dirDeleteOnStart(true)
        .errorHandler(Tests::onError);

    try (TestMediaDriver ignore = TestMediaDriver.launch(driverCtx, testWatcher))
    {
        final Aeron.Context clientCtxOne = new Aeron.Context()
            .aeronDirectoryName(driverCtx.aeronDirectoryName());

        final Aeron.Context clientCtxTwo = new Aeron.Context()
            .aeronDirectoryName(driverCtx.aeronDirectoryName());

        try (Aeron aeron = Aeron.connect(clientCtxOne))
        {
            final AvailableCounterHandler availableHandler = mock(AvailableCounterHandler.class);
            aeron.addAvailableCounterHandler(availableHandler);
            final UnavailableCounterHandler unavailableHandler = mock(UnavailableCounterHandler.class);
            aeron.addUnavailableCounterHandler(unavailableHandler);

            try (Aeron aeronTwo = Aeron.connect(clientCtxTwo))
            {
                aeronTwo.addSubscription("aeron:ipc", 1001);
                verify(availableHandler, timeout(5000))
                    .onAvailableCounter(any(), eq(clientCtxTwo.clientId()), anyInt());
            }

            verify(unavailableHandler, timeout(5000))
                .onUnavailableCounter(any(), eq(clientCtxTwo.clientId()), anyInt());
        }
    }
    finally
    {
        driverCtx.deleteDirectory();
    }
}

Example #27

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

5 votes

@Test
@Timeout(20)
public void shouldSeeNeighborsViaGossip()
{
    addDriver(TestMediaDriver.launch(setDefaults(new MediaDriver.Context())
        .aeronDirectoryName(baseDir + "-B")
        .resolverName("B")
        .resolverInterface("0.0.0.0:8051")
        .resolverBootstrapNeighbor("localhost:8050"), testWatcher));

    addDriver(TestMediaDriver.launch(setDefaults(new MediaDriver.Context())
        .aeronDirectoryName(baseDir + "-C")
        .resolverName("C")
        .resolverInterface("0.0.0.0:8052")
        .resolverBootstrapNeighbor("localhost:8051"), testWatcher));

    addDriver(TestMediaDriver.launch(setDefaults(new MediaDriver.Context())
        .aeronDirectoryName(baseDir + "-A")
        .resolverName("A")
        .resolverInterface("0.0.0.0:8050"), testWatcher));

    startClients();

    final int aNeighborsCounterId = neighborsCounterId("A");
    final int bNeighborsCounterId = neighborsCounterId("B");
    final int cNeighborsCounterId = neighborsCounterId("C");

    awaitCounterValue("A", aNeighborsCounterId, 2);
    awaitCounterValue("B", bNeighborsCounterId, 2);
    awaitCounterValue("C", cNeighborsCounterId, 2);
}

Example #28

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

5 votes

public ReceiveDestinationTransport(
    final UdpChannel udpChannel,
    final MediaDriver.Context context,
    final AtomicCounter localSocketAddressIndicator)
{
    super(udpChannel, udpChannel.remoteData(), udpChannel.remoteData(), null, context);

    this.timeOfLastActivityNs = context.cachedNanoClock().nanoTime();
    this.currentControlAddress = udpChannel.hasExplicitControl() ? udpChannel.localControl() : null;
    this.localSocketAddressIndicator = localSocketAddressIndicator;
}

Example #29

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

5 votes

@BeforeEach
public void before()
{
    final String baseDirA = ROOT_DIR + "A";
    final String baseDirB = ROOT_DIR + "B";

    buffer.putInt(0, 1);

    final MediaDriver.Context driverAContext = new MediaDriver.Context()
        .publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .aeronDirectoryName(baseDirA)
        .errorHandler(driverErrorHandler)
        .threadingMode(THREADING_MODE);

    final MediaDriver.Context driverBContext = new MediaDriver.Context()
        .publicationTermBufferLength(TERM_BUFFER_LENGTH)
        .aeronDirectoryName(baseDirB)
        .errorHandler(driverErrorHandler)
        .threadingMode(THREADING_MODE);

    driverA = TestMediaDriver.launch(driverAContext, testWatcher);
    driverB = TestMediaDriver.launch(driverBContext, testWatcher);

    clientA = Aeron.connect(
        new Aeron.Context()
            .aeronDirectoryName(driverAContext.aeronDirectoryName())
            .errorHandler(errorHandlerClientA));

    clientB = Aeron.connect(
        new Aeron.Context()
            .aeronDirectoryName(driverBContext.aeronDirectoryName())
            .errorHandler(errorHandlerClientB));

    clientC = Aeron.connect(
        new Aeron.Context()
            .aeronDirectoryName(driverBContext.aeronDirectoryName())
            .errorHandler(errorHandlerClientC));
}

Example #30

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

5 votes

public ReceiveChannelEndpoint newInstance(
    final UdpChannel udpChannel,
    final DataPacketDispatcher dispatcher,
    final AtomicCounter statusIndicator,
    final MediaDriver.Context context)
{
    return new DebugReceiveChannelEndpoint(udpChannel, dispatcher, statusIndicator, context);
}