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

Example 16 with ExpandableArrayBuffer

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

the class ClusterNodeTest method launchTimedService.

private ClusteredServiceContainer launchTimedService() {
    final ClusteredService timedService = new StubClusteredService() {

        long clusterSessionId;

        long correlationId;

        String msg;

        public void onSessionMessage(final long clusterSessionId, final long correlationId, final long timestampMs, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            this.clusterSessionId = clusterSessionId;
            this.correlationId = correlationId;
            this.msg = buffer.getStringWithoutLengthAscii(offset, length);
            cluster.scheduleTimer(correlationId, timestampMs + 100);
        }

        public void onTimerEvent(final long correlationId, final long timestampMs) {
            final String responseMsg = msg + "-scheduled";
            final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer();
            buffer.putStringWithoutLengthAscii(0, responseMsg);
            final ClientSession clientSession = cluster.getClientSession(clusterSessionId);
            while (clientSession.offer(correlationId, buffer, 0, responseMsg.length()) < 0) {
                TestUtil.checkInterruptedStatus();
                Thread.yield();
            }
        }
    };
    return ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(timedService).errorHandler(Throwable::printStackTrace).deleteDirOnStart(true));
}

Example 17 with ExpandableArrayBuffer

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

the class ClusterTest method shouldEchoMessagesViaService.

@Test(timeout = 10_000)
public void shouldEchoMessagesViaService() throws InterruptedException {
    final Aeron aeron = client.context().aeron();
    final SessionDecorator sessionDecorator = new SessionDecorator(client.clusterSessionId());
    final Publication publication = client.ingressPublication();
    final ExpandableArrayBuffer msgBuffer = new ExpandableArrayBuffer();
    final long msgCorrelationId = aeron.nextCorrelationId();
    msgBuffer.putStringWithoutLengthAscii(0, MSG);
    final EchoConsumer consumer = new EchoConsumer(client.egressSubscription());
    final Thread thread = new Thread(consumer);
    thread.setName("consumer");
    thread.setDaemon(true);
    thread.start();
    for (int i = 0; i < MESSAGE_COUNT; i++) {
        while (sessionDecorator.offer(publication, msgCorrelationId, msgBuffer, 0, MSG.length()) < 0) {
            TestUtil.checkInterruptedStatus();
            Thread.yield();
        }
    }
    latch.await();
    for (final EchoService service : echoServices) {
        assertThat(service.messageCount(), is(MESSAGE_COUNT));
    }
}

Example 18 with ExpandableArrayBuffer

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

the class ClusterNodeRestartTest method launchService.

private void launchService(final AtomicLong msgCounter) {
    final ClusteredService service = new StubClusteredService() {

        private int nextCorrelationId = 0;

        private int counterValue = 0;

        public void onStart(final Cluster cluster, final Image snapshotImage) {
            super.onStart(cluster, snapshotImage);
            if (null != snapshotImage) {
                final FragmentHandler fragmentHandler = (buffer, offset, length, header) -> {
                    nextCorrelationId = buffer.getInt(offset);
                    offset += SIZE_OF_INT;
                    counterValue = buffer.getInt(offset);
                    offset += SIZE_OF_INT;
                    serviceState.set(buffer.getStringAscii(offset));
                };
                while (true) {
                    final int fragments = snapshotImage.poll(fragmentHandler, 1);
                    if (fragments == 1 || snapshotImage.isEndOfStream()) {
                        break;
                    }
                    idleStrategy.idle();
                }
            }
        }

        public void onSessionMessage(final ClientSession session, final long timestamp, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            final int sentValue = buffer.getInt(offset + MESSAGE_VALUE_OFFSET);
            assertEquals(counterValue, sentValue);
            counterValue++;
            serviceState.set(Integer.toString(counterValue));
            msgCounter.getAndIncrement();
            if (TIMER_MESSAGE_LENGTH == length) {
                final long correlationId = serviceCorrelationId(nextCorrelationId++);
                final long deadlineMs = timestamp + buffer.getLong(offset + TIMER_MESSAGE_DELAY_OFFSET);
                while (!cluster.scheduleTimer(correlationId, deadlineMs)) {
                    idleStrategy.idle();
                }
            }
        }

        public void onTakeSnapshot(final ExclusivePublication snapshotPublication) {
            final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer();
            int length = 0;
            buffer.putInt(length, nextCorrelationId);
            length += SIZE_OF_INT;
            buffer.putInt(length, counterValue);
            length += SIZE_OF_INT;
            length += buffer.putStringAscii(length, Integer.toString(counterValue));
            snapshotPublication.offer(buffer, 0, length);
        }
    };
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
}

Example 19 with ExpandableArrayBuffer

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

the class ClusterNodeTest method shouldScheduleEventInService.

@Test
@InterruptAfter(10)
public void shouldScheduleEventInService() {
    final ExpandableArrayBuffer msgBuffer = new ExpandableArrayBuffer();
    final String msg = "Hello World!";
    msgBuffer.putStringWithoutLengthAscii(0, msg);
    final MutableInteger messageCount = new MutableInteger();
    final EgressListener listener = (clusterSessionId, timestamp, buffer, offset, length, header) -> {
        final String expected = msg + "-scheduled";
        assertEquals(expected, buffer.getStringWithoutLengthAscii(offset, length));
        messageCount.value += 1;
    };
    container = launchTimedService();
    aeronCluster = connectToCluster(listener);
    offerMessage(msgBuffer, msg);
    awaitResponse(messageCount);
    ClusterTests.failOnClusterError();
}

Example 20 with ExpandableArrayBuffer

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

the class ClusterNodeTest method launchTimedService.

private ClusteredServiceContainer launchTimedService() {
    final ClusteredService clusteredService = new StubClusteredService() {

        private final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer();

        private long clusterSessionId;

        private int nextCorrelationId;

        private String msg;

        public void onSessionMessage(final ClientSession session, final long timestamp, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            clusterSessionId = session.id();
            msg = buffer.getStringWithoutLengthAscii(offset, length);
            final long correlationId = serviceCorrelationId(nextCorrelationId++);
            idleStrategy.reset();
            while (!cluster.scheduleTimer(correlationId, timestamp + 100)) {
                idleStrategy.idle();
            }
        }

        public void onTimerEvent(final long correlationId, final long timestamp) {
            final String responseMsg = msg + "-scheduled";
            buffer.putStringWithoutLengthAscii(0, responseMsg);
            final ClientSession clientSession = cluster.getClientSession(clusterSessionId);
            idleStrategy.reset();
            while (clientSession.offer(buffer, 0, responseMsg.length()) < 0) {
                idleStrategy.idle();
            }
        }
    };
    return ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(clusteredService).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
}