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

Example 6 with DirectBuffer

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

the class ClusterNodeTest method shouldEchoMessageViaService.

@Test(timeout = 10_000)
public void shouldEchoMessageViaService() {
    container = launchEchoService();
    aeronCluster = connectToCluster();
    final Aeron aeron = aeronCluster.context().aeron();
    final SessionDecorator sessionDecorator = new SessionDecorator(aeronCluster.clusterSessionId());
    final Publication publication = aeronCluster.ingressPublication();
    final ExpandableArrayBuffer msgBuffer = new ExpandableArrayBuffer();
    final long msgCorrelationId = aeron.nextCorrelationId();
    final String msg = "Hello World!";
    msgBuffer.putStringWithoutLengthAscii(0, msg);
    while (sessionDecorator.offer(publication, msgCorrelationId, msgBuffer, 0, msg.length()) < 0) {
        TestUtil.checkInterruptedStatus();
        Thread.yield();
    }
    final MutableInteger messageCount = new MutableInteger();
    final EgressAdapter adapter = new EgressAdapter(new StubEgressListener() {

        public void onMessage(final long correlationId, final long clusterSessionId, final long timestamp, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            assertThat(correlationId, is(msgCorrelationId));
            assertThat(buffer.getStringWithoutLengthAscii(offset, length), is(msg));
            messageCount.value += 1;
        }
    }, aeronCluster.egressSubscription(), FRAGMENT_LIMIT);
    while (messageCount.get() == 0) {
        if (adapter.poll() <= 0) {
            TestUtil.checkInterruptedStatus();
            Thread.yield();
        }
    }
}

Example 7 with DirectBuffer

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

the class ClusterNodeTest method launchEchoService.

private ClusteredServiceContainer launchEchoService() {
    final ClusteredService echoService = new StubClusteredService() {

        public void onSessionMessage(final long clusterSessionId, final long correlationId, final long timestampMs, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            final ClientSession session = cluster.getClientSession(clusterSessionId);
            while (session.offer(correlationId, buffer, offset, length) < 0) {
                TestUtil.checkInterruptedStatus();
                Thread.yield();
            }
        }
    };
    return ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(echoService).errorHandler(Throwable::printStackTrace).deleteDirOnStart(true));
}

Example 8 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class ClusterManager method onInvitationRequest.

public boolean onInvitationRequest(final DirectBuffer buffer, final int offset, final int length, final ServerOutput output, final RemoteAddress requestAddress, final long requestId) {
    invitationRequest.reset();
    invitationRequest.wrap(buffer, offset, length);
    LOG.debug("Received invitation request from {} for partition {}", requestAddress.getAddress(), invitationRequest.partitionId());
    final DirectBuffer topicName = invitationRequest.topicName();
    final int partitionId = invitationRequest.partitionId();
    createPartition(topicName, partitionId, new ArrayList<>(invitationRequest.members()));
    invitationResponse.reset();
    response.reset().remoteAddress(requestAddress).requestId(requestId).writer(invitationResponse);
    return output.sendResponse(response);
}

Example 9 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class POJOMappingBenchmark method performReadingReverseOrder.

@Benchmark
@Threads(1)
public void performReadingReverseOrder(POJOMappingContext ctx) {
    final TaskEvent taskEvent = ctx.getTaskEvent();
    final DirectBuffer encodedTaskEvent = ctx.getReverseOrderEncodedTaskEvent();
    taskEvent.reset();
    taskEvent.wrap(encodedTaskEvent, 0, encodedTaskEvent.capacity());
}

Example 10 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class Events method readValueAs.

protected static <T extends UnpackedObject> T readValueAs(LoggedEvent event, Class<T> valueClass) {
    final DirectBuffer copy = BufferUtil.cloneBuffer(event.getValueBuffer(), event.getValueOffset(), event.getValueLength());
    final T valuePojo = ReflectUtil.newInstance(valueClass);
    valuePojo.wrap(copy);
    return valuePojo;
}