Examples with AeronCluster io.aeron.cluster.client.AeronCluster used on opensource projects

Example 1 with AeronCluster

use of io.aeron.cluster.client.AeronCluster in project aeron by real-logic.

the class ConsensusModuleHarness method makeRecordingLog.

public static long makeRecordingLog(final int numMessages, final int maxMessageLength, final Random random, final ConsensusModule.Context context) {
    try (ConsensusModuleHarness harness = new ConsensusModuleHarness(context, new StubClusteredService(), null, true, false)) {
        harness.awaitServiceOnStart();
        final AeronCluster aeronCluster = AeronCluster.connect(new AeronCluster.Context().lock(new NoOpLock()));
        final SessionDecorator sessionDecorator = new SessionDecorator(aeronCluster.clusterSessionId());
        final Publication publication = aeronCluster.ingressPublication();
        final ExpandableArrayBuffer msgBuffer = new ExpandableArrayBuffer(maxMessageLength);
        for (int i = 0; i < numMessages; i++) {
            final long messageCorrelationId = aeronCluster.context().aeron().nextCorrelationId();
            final int length = (null == random) ? maxMessageLength : random.nextInt(maxMessageLength);
            msgBuffer.putInt(0, i);
            while (true) {
                final long result = sessionDecorator.offer(publication, messageCorrelationId, msgBuffer, 0, length);
                if (result > 0) {
                    break;
                }
                checkOfferResult(result);
                TestUtil.checkInterruptedStatus();
                Thread.yield();
            }
        }
        harness.awaitServiceOnMessageCounter(numMessages);
        return publication.position();
    }
}

Example 2 with AeronCluster

use of io.aeron.cluster.client.AeronCluster in project Aeron by real-logic.

the class ClusterNodeTest method shouldEchoMessageViaServiceUsingTryClaim.

@Test
@InterruptAfter(10)
public void shouldEchoMessageViaServiceUsingTryClaim() {
    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) -> {
        assertEquals(msg, buffer.getStringWithoutLengthAscii(offset, length));
        messageCount.value += 1;
    };
    container = launchEchoService();
    aeronCluster = connectToCluster(listener);
    final BufferClaim bufferClaim = new BufferClaim();
    long publicationResult;
    do {
        publicationResult = aeronCluster.tryClaim(msg.length(), bufferClaim);
        if (publicationResult > 0) {
            final int offset = bufferClaim.offset() + AeronCluster.SESSION_HEADER_LENGTH;
            bufferClaim.buffer().putBytes(offset, msgBuffer, 0, msg.length());
            bufferClaim.commit();
        } else {
            Tests.yield();
        }
    } while (publicationResult < 0);
    offerMessage(msgBuffer, msg);
    awaitResponse(messageCount);
    ClusterTests.failOnClusterError();
}

Example 3 with AeronCluster

use of io.aeron.cluster.client.AeronCluster in project Aeron by real-logic.

the class ClusterNodeTest method shouldEchoMessageViaServiceUsingDirectOffer.

@Test
@InterruptAfter(10)
public void shouldEchoMessageViaServiceUsingDirectOffer() {
    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) -> {
        assertEquals(msg, buffer.getStringWithoutLengthAscii(offset, length));
        messageCount.value += 1;
    };
    container = launchEchoService();
    aeronCluster = connectToCluster(listener);
    offerMessage(msgBuffer, msg);
    awaitResponse(messageCount);
    ClusterTests.failOnClusterError();
}

Example 4 with AeronCluster

use of io.aeron.cluster.client.AeronCluster in project Aeron by real-logic.

the class ClusterBackupTest method shouldBackupClusterNoSnapshotsAndNonEmptyLogWithFailure.

@Test
@InterruptAfter(60)
public void shouldBackupClusterNoSnapshotsAndNonEmptyLogWithFailure() {
    final TestCluster cluster = aCluster().withStaticNodes(3).start();
    systemTestWatcher.cluster(cluster);
    final TestNode leaderOne = cluster.awaitLeader();
    final int messageCount = 10;
    final AeronCluster aeronCluster = cluster.connectClient();
    cluster.sendMessages(messageCount);
    cluster.awaitResponseMessageCount(messageCount);
    cluster.awaitServicesMessageCount(messageCount);
    final long logPosition = leaderOne.service().cluster().logPosition();
    cluster.startClusterBackupNode(true);
    aeronCluster.sendKeepAlive();
    cluster.awaitBackupState(ClusterBackup.State.BACKING_UP);
    aeronCluster.sendKeepAlive();
    cluster.awaitBackupLiveLogPosition(logPosition);
    cluster.stopNode(leaderOne);
    final TestNode leaderTwo = cluster.awaitLeader();
    cluster.awaitNewLeadershipEvent(1);
    cluster.sendMessages(5);
    cluster.awaitResponseMessageCount(messageCount + 5);
    final long nextLogPosition = leaderTwo.service().cluster().logPosition();
    cluster.awaitBackupState(ClusterBackup.State.BACKING_UP);
    cluster.awaitBackupLiveLogPosition(nextLogPosition);
    cluster.stopAllNodes();
    final TestNode node = cluster.startStaticNodeFromBackup();
    cluster.awaitLeader();
    assertEquals(messageCount + 5, node.service().messageCount());
    assertFalse(node.service().wasSnapshotLoaded());
}

Example 5 with AeronCluster

use of io.aeron.cluster.client.AeronCluster in project Aeron by real-logic.

the class ClusterNetworkTopologyTest method pollUntilConnected.

private AeronCluster pollUntilConnected(final AeronCluster.AsyncConnect asyncConnect, final Selector selector) {
    AeronCluster aeronCluster;
    while (null == (aeronCluster = asyncConnect.poll())) {
        pollSelector(selector);
        Tests.sleep(1);
    }
    return aeronCluster;
}