Examples with FragmentHandler io.aeron.logbuffer.FragmentHandler used on opensource projects

Example 61 with FragmentHandler

use of io.aeron.logbuffer.FragmentHandler in project aeron by real-logic.

the class ArchiveSystemTests method consume.

static void consume(final Subscription subscription, final int count, final String prefix) {
    final MutableInteger received = new MutableInteger(0);
    final FragmentHandler fragmentHandler = new FragmentAssembler((buffer, offset, length, header) -> {
        final String expected = prefix + received.value;
        final String actual = buffer.getStringWithoutLengthAscii(offset, length);
        assertEquals(expected, actual);
        received.value++;
    });
    while (received.value < count) {
        if (0 == subscription.poll(fragmentHandler, FRAGMENT_LIMIT)) {
            Tests.yield();
        }
    }
    assertEquals(count, received.get());
}

Example 62 with FragmentHandler

use of io.aeron.logbuffer.FragmentHandler in project aeron by real-logic.

the class ExtendRecordingTest method consume.

private static void consume(final Subscription subscription, final int startIndex, final int count) {
    final MutableInteger received = new MutableInteger(startIndex);
    final FragmentHandler fragmentHandler = new FragmentAssembler((buffer, offset, length, header) -> {
        final String expected = MESSAGE_PREFIX + received.value;
        final String actual = buffer.getStringWithoutLengthAscii(offset, length);
        assertEquals(expected, actual);
        received.value++;
    });
    while (received.value < (startIndex + count)) {
        if (0 == subscription.poll(fragmentHandler, ArchiveSystemTests.FRAGMENT_LIMIT)) {
            Tests.yield();
        }
    }
    assertEquals(startIndex + count, received.get());
}

Example 63 with FragmentHandler

use of io.aeron.logbuffer.FragmentHandler in project aeron by real-logic.

the class TwoBufferOfferMessageTest method shouldTransferFragmentedTwoPartMessage.

@Test
@InterruptAfter(10)
void shouldTransferFragmentedTwoPartMessage() {
    final UnsafeBuffer expectedBuffer = new UnsafeBuffer(new byte[32 + driver.context().mtuLength()]);
    final UnsafeBuffer bufferOne = new UnsafeBuffer(expectedBuffer, 0, 32);
    final UnsafeBuffer bufferTwo = new UnsafeBuffer(expectedBuffer, 32, expectedBuffer.capacity() - 32);
    bufferOne.setMemory(0, bufferOne.capacity(), (byte) 'a');
    bufferTwo.setMemory(0, bufferTwo.capacity(), (byte) 'b');
    final String expectedMessage = expectedBuffer.getStringWithoutLengthAscii(0, expectedBuffer.capacity());
    final MutableReference<String> receivedMessage = new MutableReference<>();
    final FragmentHandler fragmentHandler = new FragmentAssembler((buffer, offset, length, header) -> receivedMessage.set(buffer.getStringWithoutLengthAscii(offset, length)));
    try (Subscription subscription = aeron.addSubscription(CHANNEL, STREAM_ID)) {
        try (Publication publication = aeron.addPublication(CHANNEL, STREAM_ID)) {
            publishMessage(bufferOne, bufferTwo, publication);
            pollForMessage(subscription, receivedMessage, fragmentHandler);
            assertEquals(expectedMessage, receivedMessage.get());
        }
        try (Publication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID)) {
            publishMessage(bufferOne, bufferTwo, publication);
            pollForMessage(subscription, receivedMessage, fragmentHandler);
            assertEquals(expectedMessage, receivedMessage.get());
        }
    }
}

Example 64 with FragmentHandler

use of io.aeron.logbuffer.FragmentHandler in project aeron by real-logic.

the class StopStartSecondSubscriberTest method shouldReceiveMessagesAfterStopStart.

private void shouldReceiveMessagesAfterStopStart(final String channelOne, final int streamOne, final String channelTwo, final int streamTwo) {
    final int numMessages = 1;
    final MutableInteger subscriber2AfterRestartCount = new MutableInteger();
    final AtomicBoolean running = new AtomicBoolean(true);
    final CountDownLatch latch = new CountDownLatch(2);
    final FragmentHandler fragmentHandler = (buffer, offset, length, header) -> subscriber2AfterRestartCount.value++;
    launch(channelOne, streamOne, channelTwo, streamTwo);
    buffer.putInt(0, 1);
    final ExecutorService executor = Executors.newFixedThreadPool(2);
    try {
        executor.execute(() -> doPublisherWork(publicationOne, running, latch));
        executor.execute(() -> doPublisherWork(publicationTwo, running, latch));
        final MutableInteger fragmentsReadOne = new MutableInteger();
        final MutableInteger fragmentsReadTwo = new MutableInteger();
        final BooleanSupplier fragmentsReadCondition = () -> fragmentsReadOne.get() >= numMessages && fragmentsReadTwo.get() >= numMessages;
        Tests.executeUntil(fragmentsReadCondition, (i) -> {
            fragmentsReadOne.value += subscriptionOne.poll(fragmentHandlerOne, 1);
            fragmentsReadTwo.value += subscriptionTwo.poll(fragmentHandlerTwo, 1);
            Thread.yield();
        }, Integer.MAX_VALUE, TimeUnit.MILLISECONDS.toNanos(4900));
        assertTrue(subOneCount.get() >= numMessages);
        assertTrue(subTwoCount.get() >= numMessages);
        subscriptionTwo.close();
        fragmentsReadOne.set(0);
        fragmentsReadTwo.set(0);
        subscriptionTwo = subscriberTwo.addSubscription(channelTwo, streamTwo);
        Tests.executeUntil(fragmentsReadCondition, (i) -> {
            fragmentsReadOne.value += subscriptionOne.poll(fragmentHandlerOne, 1);
            fragmentsReadTwo.value += subscriptionTwo.poll(fragmentHandler, 1);
            Thread.yield();
        }, Integer.MAX_VALUE, TimeUnit.MILLISECONDS.toNanos(4900));
        running.set(false);
        latch.await();
        assertTrue(subOneCount.get() >= numMessages * 2, "Expecting subscriberOne to receive messages the entire time");
        assertTrue(subTwoCount.get() >= numMessages, "Expecting subscriberTwo to receive messages before being stopped and started");
        assertTrue(subscriber2AfterRestartCount.get() >= numMessages, "Expecting subscriberTwo to receive messages after being stopped and started");
    } catch (final InterruptedException ex) {
        fail("Interrupted", ex);
    } finally {
        running.set(false);
        executor.shutdownNow();
    }
}

Example 65 with FragmentHandler

use of io.aeron.logbuffer.FragmentHandler in project aeron by real-logic.

the class TimestampingSystemTest method shouldSupportReceiveTimestampsOnMds.

@Test
@InterruptAfter(10)
void shouldSupportReceiveTimestampsOnMds() {
    final MutableDirectBuffer buffer = new UnsafeBuffer(new byte[64]);
    try (TestMediaDriver driver = driver();
        Aeron aeron = Aeron.connect(new Aeron.Context().aeronDirectoryName(driver.aeronDirectoryName()))) {
        final Subscription mdsSub = aeron.addSubscription("aeron:udp?control-mode=manual|channel-rcv-ts-offset=0", 1000);
        final Publication pub1 = aeron.addPublication("aeron:udp?endpoint=localhost:23424", 1000);
        final Publication pub2 = aeron.addPublication("aeron:udp?endpoint=localhost:23425", 1000);
        mdsSub.addDestination("aeron:udp?endpoint=localhost:23424");
        mdsSub.addDestination("aeron:udp?endpoint=localhost:23425");
        while (!pub1.isConnected() || !pub2.isConnected()) {
            Tests.yieldingIdle("Failed to connect");
        }
        buffer.putLong(0, SENTINEL_VALUE);
        while (0 > pub1.offer(buffer, 0, buffer.capacity())) {
            Tests.yieldingIdle("Failed to offer message");
        }
        while (0 > pub2.offer(buffer, 0, buffer.capacity())) {
            Tests.yieldingIdle("Failed to offer message");
        }
        final MutableLong sendTimestamp = new MutableLong(SENTINEL_VALUE);
        final FragmentHandler fragmentHandler = (buffer1, offset, length, header) -> sendTimestamp.set(buffer1.getLong(offset));
        while (1 > mdsSub.poll(fragmentHandler, 1)) {
            Tests.yieldingIdle("Failed to receive message");
        }
        assertNotEquals(SENTINEL_VALUE, sendTimestamp.longValue());
        while (1 > mdsSub.poll(fragmentHandler, 1)) {
            Tests.yieldingIdle("Failed to receive message");
        }
        assertNotEquals(SENTINEL_VALUE, sendTimestamp.longValue());
    }
}