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

Example 76 with MediaDriver

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

the class RegistrationAndOwnerTest method shouldHaveCorrectOwnershipOnEntities.

@ParameterizedTest
@ValueSource(strings = { "aeron:udp?endpoint=localhost:24325", "aeron:ipc" })
void shouldHaveCorrectOwnershipOnEntities(final String channel) {
    final MediaDriver.Context ctx = new MediaDriver.Context().errorHandler(Tests::onError).dirDeleteOnStart(true);
    try (TestMediaDriver mediaDriver = TestMediaDriver.launch(ctx, testWatcher);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(channel, STREAM_ID);
        Publication publication = aeron.addPublication(channel, STREAM_ID);
        Counter userCounter = aeron.addCounter(1002, "Test Counter")) {
        awaitConnected(subscription);
        awaitConnected(publication);
        final CountersReader countersReader = aeron.countersReader();
        final int subscriberPositionId = subscription.imageAtIndex(0).subscriberPositionId();
        assertEquals(aeron.clientId(), countersReader.getCounterOwnerId(subscriberPositionId));
        assertEquals(aeron.clientId(), countersReader.getCounterOwnerId(publication.positionLimitId()));
        assertEquals(aeron.clientId(), countersReader.getCounterOwnerId(userCounter.id()));
        assertEquals(subscription.registrationId(), countersReader.getCounterRegistrationId(subscriberPositionId));
        assertEquals(publication.registrationId(), countersReader.getCounterRegistrationId(publication.positionLimitId()));
        assertEquals(userCounter.registrationId(), countersReader.getCounterRegistrationId(userCounter.id()));
    } finally {
        ctx.deleteDirectory();
    }
}

Example 77 with MediaDriver

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

the class GapFillLossTest method shouldGapFillWhenLossOccurs.

@Test
@InterruptAfter(10)
void shouldGapFillWhenLossOccurs() throws Exception {
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(ByteBuffer.allocateDirect(MSG_LENGTH));
    srcBuffer.setMemory(0, MSG_LENGTH, (byte) 7);
    final MediaDriver.Context ctx = new MediaDriver.Context().errorHandler(Tests::onError).threadingMode(ThreadingMode.SHARED).dirDeleteOnStart(true).publicationTermBufferLength(LogBufferDescriptor.TERM_MIN_LENGTH);
    final LossGenerator noLossGenerator = DebugChannelEndpointConfiguration.lossGeneratorSupplier(0, 0);
    ctx.sendChannelEndpointSupplier((udpChannel, statusIndicator, context) -> new DebugSendChannelEndpoint(udpChannel, statusIndicator, context, noLossGenerator, noLossGenerator));
    TestMediaDriver.enableLossGenerationOnReceive(ctx, 0.20, 0xcafebabeL, true, false);
    try (TestMediaDriver mediaDriver = TestMediaDriver.launch(ctx, watcher);
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName()));
        Subscription subscription = aeron.addSubscription(UNRELIABLE_CHANNEL, STREAM_ID);
        Publication publication = aeron.addPublication(CHANNEL, STREAM_ID)) {
        final Subscriber subscriber = new Subscriber(subscription);
        final Thread subscriberThread = new Thread(subscriber);
        subscriberThread.setDaemon(true);
        subscriberThread.start();
        long position = 0;
        for (int i = 0; i < NUM_MESSAGES; i++) {
            srcBuffer.putLong(0, i);
            while ((position = publication.offer(srcBuffer)) < 0L) {
                Tests.yield();
            }
        }
        FINAL_POSITION.set(position);
        subscriberThread.join();
        verifyLossOccurredForStream(ctx.aeronDirectoryName(), STREAM_ID);
        assertThat(subscriber.messageCount, lessThan(NUM_MESSAGES));
    } finally {
        ctx.deleteDirectory();
    }
}

Example 78 with MediaDriver

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

the class LifecycleTest method shouldStartAndStopInstantly.

@Test
@InterruptAfter(10)
void shouldStartAndStopInstantly() {
    final MediaDriver.Context driverCtx = new MediaDriver.Context().dirDeleteOnStart(true).errorHandler(Tests::onError);
    try (TestMediaDriver mediaDriver = TestMediaDriver.launch(driverCtx, testWatcher)) {
        final Aeron.Context clientCtx = new Aeron.Context().aeronDirectoryName(mediaDriver.aeronDirectoryName());
        final Aeron aeron = Aeron.connect(clientCtx);
        aeron.close();
    } finally {
        driverCtx.deleteDirectory();
    }
}