Examples with ClusteredService io.aeron.cluster.service.ClusteredService used on opensource projects

Example 6 with ClusteredService

use of io.aeron.cluster.service.ClusteredService in project Aeron by real-logic.

the class ClusterNodeRestartTest method launchReschedulingService.

private void launchReschedulingService(final AtomicLong triggeredTimersCounter) {
    final ClusteredService service = new StubClusteredService() {

        public void onSessionMessage(final ClientSession session, final long timestamp, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            scheduleNext(serviceCorrelationId(7), timestamp + 200);
        }

        public void onTimerEvent(final long correlationId, final long timestamp) {
            triggeredTimersCounter.getAndIncrement();
            scheduleNext(correlationId, timestamp + 200);
        }

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

        public void onTakeSnapshot(final ExclusivePublication snapshotPublication) {
            final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer();
            buffer.putLong(0, triggeredTimersCounter.get());
            while (snapshotPublication.offer(buffer, 0, SIZE_OF_INT) < 0) {
                idleStrategy.idle();
            }
        }

        private void scheduleNext(final long correlationId, final long deadline) {
            idleStrategy.reset();
            while (!cluster.scheduleTimer(correlationId, deadline)) {
                idleStrategy.idle();
            }
        }
    };
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
}

Example 7 with ClusteredService

use of io.aeron.cluster.service.ClusteredService in project Aeron by real-logic.

the class ClusterTimerTest method shouldRescheduleTimerWhenSchedulingWithExistingCorrelationId.

@Test
@InterruptAfter(10)
void shouldRescheduleTimerWhenSchedulingWithExistingCorrelationId() {
    final AtomicLong timerCounter1 = new AtomicLong();
    final AtomicLong timerCounter2 = new AtomicLong();
    final ClusteredService service = new StubClusteredService() {

        public void onSessionOpen(final ClientSession session, final long timestamp) {
            // Too far in the future
            schedule(1, timestamp + 1_000_000);
            schedule(1, timestamp + 20);
            schedule(2, timestamp + 30);
        }

        public void onTimerEvent(final long correlationId, final long timestamp) {
            if (correlationId == 1) {
                timerCounter1.incrementAndGet();
            } else {
                timerCounter2.incrementAndGet();
            }
        }

        private void schedule(final long correlationId, final long deadlineMs) {
            idleStrategy.reset();
            while (!cluster.scheduleTimer(correlationId, deadlineMs)) {
                idleStrategy.idle();
            }
        }
    };
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
    connectClient();
    Tests.awaitValue(timerCounter2, 1);
    assertEquals(1, timerCounter1.get());
    ClusterTests.failOnClusterError();
}

Example 8 with ClusteredService

use of io.aeron.cluster.service.ClusteredService in project Aeron by real-logic.

the class ClusterTimerTest method launchReschedulingService.

private void launchReschedulingService(final AtomicLong triggeredTimersCounter) {
    final ClusteredService service = new StubClusteredService() {

        private int timerId = 1;

        public void onTimerEvent(final long correlationId, final long timestamp) {
            triggeredTimersCounter.getAndIncrement();
            scheduleNext(serviceCorrelationId(timerId++), timestamp + INTERVAL_MS);
        }

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

        public void onTakeSnapshot(final ExclusivePublication snapshotPublication) {
            final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer(SIZE_OF_INT);
            buffer.putInt(0, timerId);
            idleStrategy.reset();
            while (snapshotPublication.offer(buffer, 0, SIZE_OF_INT) < 0) {
                idleStrategy.idle();
            }
        }

        public void onNewLeadershipTermEvent(final long leadershipTermId, final long logPosition, final long timestamp, final long termBaseLogPosition, final int leaderMemberId, final int logSessionId, final TimeUnit timeUnit, final int appVersion) {
            scheduleNext(serviceCorrelationId(timerId++), timestamp + INTERVAL_MS);
        }

        private void scheduleNext(final long correlationId, final long deadlineMs) {
            idleStrategy.reset();
            while (!cluster.scheduleTimer(correlationId, deadlineMs)) {
                idleStrategy.idle();
            }
        }
    };
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
}

Example 9 with ClusteredService

use of io.aeron.cluster.service.ClusteredService in project aeron by real-logic.

the class AuthenticationTest method launchService.

private void launchService(final MutableLong sessionId, final MutableReference<byte[]> encodedPrincipal, final AtomicLong msgCounter) {
    final ClusteredService service = new StubClusteredService() {

        private int counterValue = 0;

        public void onSessionOpen(final ClientSession session, final long timestamp) {
            sessionId.value = session.id();
            encodedPrincipal.set(session.encodedPrincipal());
        }

        public void onSessionMessage(final ClientSession session, final long timestamp, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            assertEquals(counterValue, buffer.getInt(offset));
            msgCounter.getAndIncrement();
            counterValue++;
        }
    };
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(ClusterTests.NOOP_TERMINATION_HOOK).errorHandler(ClusterTests.errorHandler(0)));
}

Example 10 with ClusteredService

use of io.aeron.cluster.service.ClusteredService in project aeron by real-logic.

the class ClusterLoggingAgentTest method testClusterEventsLogging.

private void testClusterEventsLogging(final String enabledEvents, final EnumSet<ClusterEventCode> expectedEvents) {
    before(enabledEvents, expectedEvents);
    final Context mediaDriverCtx = new Context().errorHandler(Tests::onError).dirDeleteOnStart(true).threadingMode(ThreadingMode.SHARED);
    final AeronArchive.Context aeronArchiveContext = new AeronArchive.Context().controlRequestChannel("aeron:ipc?term-length=64k").controlRequestStreamId(AeronArchive.Configuration.localControlStreamId()).controlResponseChannel("aeron:ipc?term-length=64k").controlResponseStreamId(AeronArchive.Configuration.localControlStreamId() + 1).controlResponseStreamId(101);
    final Archive.Context archiveCtx = new Archive.Context().errorHandler(Tests::onError).archiveDir(new File(testDir, "archive")).deleteArchiveOnStart(true).recordingEventsEnabled(false).threadingMode(ArchiveThreadingMode.SHARED);
    final ConsensusModule.Context consensusModuleCtx = new ConsensusModule.Context().errorHandler(ClusterTests.errorHandler(0)).clusterDir(new File(testDir, "consensus-module")).archiveContext(aeronArchiveContext.clone()).clusterMemberId(0).clusterMembers("0,localhost:20110,localhost:20220,localhost:20330,localhost:20440,localhost:8010").logChannel("aeron:udp?term-length=256k|control-mode=manual|control=localhost:20550").ingressChannel("aeron:udp?term-length=64k").replicationChannel("aeron:udp?endpoint=localhost:0");
    final ClusteredService clusteredService = mock(ClusteredService.class);
    final ClusteredServiceContainer.Context clusteredServiceCtx = new ClusteredServiceContainer.Context().errorHandler(ClusterTests.errorHandler(0)).archiveContext(aeronArchiveContext.clone()).clusterDir(new File(testDir, "service")).clusteredService(clusteredService);
    clusteredMediaDriver = ClusteredMediaDriver.launch(mediaDriverCtx, archiveCtx, consensusModuleCtx);
    container = ClusteredServiceContainer.launch(clusteredServiceCtx);
    Tests.await(WAIT_LIST::isEmpty);
    final Counter state = clusteredMediaDriver.consensusModule().context().electionStateCounter();
    final Supplier<String> message = () -> ElectionState.get(state).toString();
    while (ElectionState.CLOSED != ElectionState.get(state)) {
        Tests.sleep(1, message);
    }
}