Examples with MutableDirectBuffer org.agrona.MutableDirectBuffer used on opensource projects

Example 36 with MutableDirectBuffer

use of org.agrona.MutableDirectBuffer in project Aeron by real-logic.

the class ControlResponseProxy method attemptSendSignal.

void attemptSendSignal(final long controlSessionId, final long correlationId, final long recordingId, final long subscriptionId, final long position, final RecordingSignal recordingSignal, final Publication controlPublication) {
    final int messageLength = MESSAGE_HEADER_LENGTH + RecordingSignalEventEncoder.BLOCK_LENGTH;
    int attempts = SEND_ATTEMPTS;
    do {
        final long result = controlPublication.tryClaim(messageLength, bufferClaim);
        if (result > 0) {
            final MutableDirectBuffer buffer = bufferClaim.buffer();
            final int bufferOffset = bufferClaim.offset();
            recordingSignalEventEncoder.wrapAndApplyHeader(buffer, bufferOffset, messageHeaderEncoder).controlSessionId(controlSessionId).correlationId(correlationId).recordingId(recordingId).subscriptionId(subscriptionId).position(position).signal(recordingSignal);
            bufferClaim.commit();
            break;
        }
    } while (--attempts > 0);
}

Example 37 with MutableDirectBuffer

use of org.agrona.MutableDirectBuffer in project Aeron by real-logic.

the class ReplaySessionTest method mockPublication.

private void mockPublication(final ExclusivePublication replay, final UnsafeBuffer termBuffer) {
    when(replay.offerBlock(any(MutableDirectBuffer.class), anyInt(), anyInt())).then((invocation) -> {
        final MutableDirectBuffer buffer = invocation.getArgument(0);
        final int offset = invocation.getArgument(1);
        final int length = invocation.getArgument(2);
        termBuffer.putBytes(offerBlockOffset, buffer, offset, length);
        messageCounter++;
        offerBlockOffset += length;
        return (long) length;
    });
    when(replay.appendPadding(anyInt())).then((invocation) -> {
        final int claimedSize = invocation.getArgument(0);
        messageCounter++;
        return (long) claimedSize;
    });
}

Example 38 with MutableDirectBuffer

use of org.agrona.MutableDirectBuffer in project Aeron by real-logic.

the class ClusterNetworkTopologyTest method connectAndSendMessages.

private void connectAndSendMessages(final String ingressChannel, final String ingressEndpoints, final Selector selector, final double messageCount) {
    final String message = "Hello World!";
    final MutableDirectBuffer messageBuffer = new UnsafeBuffer(ByteBuffer.allocate(128));
    final int length = messageBuffer.putStringAscii(0, message);
    final MutableReference<String> egressResponse = new MutableReference<>();
    final EgressListener egressListener = (clusterSessionId, timestamp, buffer, offset, length1, header) -> {
        final String stringAscii = buffer.getStringAscii(offset);
        egressResponse.set(stringAscii);
    };
    try (MediaDriver mediaDriver = MediaDriver.launchEmbedded(new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirDeleteOnStart(true).dirDeleteOnShutdown(true));
        AeronCluster.AsyncConnect asyncConnect = AeronCluster.asyncConnect(new AeronCluster.Context().messageTimeoutNs(TimeUnit.SECONDS.toNanos(CLUSTER_START_ELECTION_TIMEOUT_S * 2)).egressListener(egressListener).egressChannel("aeron:udp?endpoint=10.42.0.1:0").aeronDirectoryName(mediaDriver.aeronDirectoryName()).ingressChannel(ingressChannel).ingressEndpoints(ingressEndpoints));
        AeronCluster aeronCluster = pollUntilConnected(asyncConnect, selector)) {
        for (int i = 0; i < messageCount; i++) {
            Tests.await(() -> {
                final long position = aeronCluster.offer(messageBuffer, 0, length);
                pollSelector(selector);
                return 0 < position;
            }, SECONDS.toNanos(5));
            Tests.await(() -> {
                aeronCluster.pollEgress();
                pollSelector(selector);
                return message.equals(egressResponse.get());
            }, SECONDS.toNanos(5));
        }
    }
}

Example 39 with MutableDirectBuffer

use of org.agrona.MutableDirectBuffer 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());
    }
}

Example 40 with MutableDirectBuffer

use of org.agrona.MutableDirectBuffer in project aeron by real-logic.

the class ClusterNetworkTopologyTest method connectAndSendMessages.

private void connectAndSendMessages(final String ingressChannel, final String ingressEndpoints, final Selector selector, final double messageCount) {
    final String message = "Hello World!";
    final MutableDirectBuffer messageBuffer = new UnsafeBuffer(ByteBuffer.allocate(128));
    final int length = messageBuffer.putStringAscii(0, message);
    final MutableReference<String> egressResponse = new MutableReference<>();
    final EgressListener egressListener = (clusterSessionId, timestamp, buffer, offset, length1, header) -> {
        final String stringAscii = buffer.getStringAscii(offset);
        egressResponse.set(stringAscii);
    };
    try (MediaDriver mediaDriver = MediaDriver.launchEmbedded(new MediaDriver.Context().threadingMode(ThreadingMode.SHARED).dirDeleteOnStart(true).dirDeleteOnShutdown(true));
        AeronCluster.AsyncConnect asyncConnect = AeronCluster.asyncConnect(new AeronCluster.Context().messageTimeoutNs(TimeUnit.SECONDS.toNanos(CLUSTER_START_ELECTION_TIMEOUT_S * 2)).egressListener(egressListener).egressChannel("aeron:udp?endpoint=10.42.0.1:0").aeronDirectoryName(mediaDriver.aeronDirectoryName()).ingressChannel(ingressChannel).ingressEndpoints(ingressEndpoints));
        AeronCluster aeronCluster = pollUntilConnected(asyncConnect, selector)) {
        for (int i = 0; i < messageCount; i++) {
            Tests.await(() -> {
                final long position = aeronCluster.offer(messageBuffer, 0, length);
                pollSelector(selector);
                return 0 < position;
            }, SECONDS.toNanos(5));
            Tests.await(() -> {
                aeronCluster.pollEgress();
                pollSelector(selector);
                return message.equals(egressResponse.get());
            }, SECONDS.toNanos(5));
        }
    }
}