Examples with ReadableCounter io.aeron.status.ReadableCounter used on opensource projects

Example 1 with ReadableCounter

use of io.aeron.status.ReadableCounter in project aeron by real-logic.

the class SequencerAgent method createPositionCounters.

private void createPositionCounters() {
    final CountersReader counters = aeron.countersReader();
    final int recordingCounterId = awaitRecordingCounter(counters, logSessionId);
    logRecordingPosition = new ReadableCounter(counters, recordingCounterId);
    commitPosition = CommitPos.allocate(aeron, tempBuffer, leadershipTermId, termBaseLogPosition, CommitPos.NULL_VALUE);
}

Example 2 with ReadableCounter

use of io.aeron.status.ReadableCounter in project Aeron by real-logic.

the class ConsensusModuleAgent method tryCreateAppendPosition.

private boolean tryCreateAppendPosition(final int logSessionId) {
    final CountersReader counters = aeron.countersReader();
    final int counterId = RecordingPos.findCounterIdBySession(counters, logSessionId);
    if (CountersReader.NULL_COUNTER_ID == counterId) {
        return false;
    }
    final long registrationId = counters.getCounterRegistrationId(counterId);
    if (0 == registrationId) {
        return false;
    }
    logRecordingId = RecordingPos.getRecordingId(counters, counterId);
    appendPosition = new ReadableCounter(counters, registrationId, counterId);
    logRecordedPosition = NULL_POSITION;
    return true;
}

Example 3 with ReadableCounter

use of io.aeron.status.ReadableCounter in project Aeron by real-logic.

the class CounterTest method shouldBeAbleToAddReadableCounterWithinHandler.

@Test
@InterruptAfter(10)
void shouldBeAbleToAddReadableCounterWithinHandler() {
    clientB.addAvailableCounterHandler(this::createReadableCounter);
    final Counter counter = clientA.addCounter(COUNTER_TYPE_ID, keyBuffer, 0, keyBuffer.capacity(), labelBuffer, 0, COUNTER_LABEL.length());
    while (null == readableCounter) {
        Tests.sleep(1);
    }
    assertEquals(CountersReader.RECORD_ALLOCATED, readableCounter.state());
    assertEquals(counter.id(), readableCounter.counterId());
    assertEquals(counter.registrationId(), readableCounter.registrationId());
}

Example 4 with ReadableCounter

use of io.aeron.status.ReadableCounter in project aeron by real-logic.

the class ClusteredServiceAgent method checkForReplay.

private void checkForReplay(final CountersReader counters, final int recoveryCounterId) {
    final long replayTermCount = RecoveryState.getReplayTermCount(counters, recoveryCounterId);
    if (0 == replayTermCount) {
        return;
    }
    service.onReplayBegin();
    for (int i = 0; i < replayTermCount; i++) {
        awaitActiveLog();
        final int counterId = activeLog.commitPositionId;
        leadershipTermId = CommitPos.getLeadershipTermId(counters, counterId);
        termBaseLogPosition = CommitPos.getTermBaseLogPosition(counters, counterId);
        if (CommitPos.getLeadershipTermLength(counters, counterId) > 0) {
            try (Subscription subscription = aeron.addSubscription(activeLog.channel, activeLog.streamId)) {
                serviceControlPublisher.ackAction(termBaseLogPosition, leadershipTermId, serviceId, READY);
                final Image image = awaitImage(activeLog.sessionId, subscription);
                final ReadableCounter limit = new ReadableCounter(counters, counterId);
                final BoundedLogAdapter adapter = new BoundedLogAdapter(image, limit, this);
                consumeImage(image, adapter);
                termBaseLogPosition += image.position();
            }
        }
        serviceControlPublisher.ackAction(termBaseLogPosition, leadershipTermId, serviceId, REPLAY);
    }
    service.onReplayEnd();
}

Example 5 with ReadableCounter

use of io.aeron.status.ReadableCounter in project aeron by real-logic.

the class ClusteredServiceAgent method switchActiveLog.

private void switchActiveLog() {
    if (logAdapter.isCaughtUp()) {
        final CountersReader counters = aeron.countersReader();
        final int counterId = activeLog.commitPositionId;
        leadershipTermId = activeLog.leadershipTermId;
        termBaseLogPosition = CommitPos.getTermBaseLogPosition(counters, counterId);
        if (CommitPos.getLeadershipTermLength(counters, counterId) > 0) {
            logAdapter.close();
            final Subscription subscription = aeron.addSubscription(activeLog.channel, activeLog.streamId);
            final Image image = awaitImage(activeLog.sessionId, subscription);
            serviceControlPublisher.ackAction(termBaseLogPosition, leadershipTermId, serviceId, READY);
            final ReadableCounter limit = new ReadableCounter(counters, counterId);
            logAdapter = new BoundedLogAdapter(image, limit, this);
            activeLog = null;
        }
    }
}