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Example 6 with Cluster

use of io.aeron.cluster.service.Cluster 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)));
}
Also used : ClusterTests(io.aeron.test.cluster.ClusterTests) AeronCluster(io.aeron.cluster.client.AeronCluster) BeforeEach(org.junit.jupiter.api.BeforeEach) StubClusteredService(io.aeron.test.cluster.StubClusteredService) AtomicCounter(org.agrona.concurrent.status.AtomicCounter) ClusteredServiceContainer(io.aeron.cluster.service.ClusteredServiceContainer) io.aeron.test(io.aeron.test) CountersReader(org.agrona.concurrent.status.CountersReader) CLUSTER_MEMBERS(io.aeron.cluster.ClusterTestConstants.CLUSTER_MEMBERS) ClusteredService(io.aeron.cluster.service.ClusteredService) SIZE_OF_INT(org.agrona.BitUtil.SIZE_OF_INT) AtomicReference(java.util.concurrent.atomic.AtomicReference) ExtendWith(org.junit.jupiter.api.extension.ExtendWith) SIZE_OF_LONG(org.agrona.BitUtil.SIZE_OF_LONG) Publication(io.aeron.Publication) ArchiveThreadingMode(io.aeron.archive.ArchiveThreadingMode) CloseHelper(org.agrona.CloseHelper) ExclusivePublication(io.aeron.ExclusivePublication) PrintStream(java.io.PrintStream) MediaDriver(io.aeron.driver.MediaDriver) Image(io.aeron.Image) Archive(io.aeron.archive.Archive) ExpandableArrayBuffer(org.agrona.ExpandableArrayBuffer) File(java.io.File) Mockito.verify(org.mockito.Mockito.verify) Test(org.junit.jupiter.api.Test) TimeUnit(java.util.concurrent.TimeUnit) CountDownLatch(java.util.concurrent.CountDownLatch) AtomicLong(java.util.concurrent.atomic.AtomicLong) Cluster(io.aeron.cluster.service.Cluster) AfterEach(org.junit.jupiter.api.AfterEach) Header(io.aeron.logbuffer.Header) ClientSession(io.aeron.cluster.service.ClientSession) ThreadingMode(io.aeron.driver.ThreadingMode) Assertions(org.junit.jupiter.api.Assertions) INGRESS_ENDPOINTS(io.aeron.cluster.ClusterTestConstants.INGRESS_ENDPOINTS) FragmentHandler(io.aeron.logbuffer.FragmentHandler) DirectBuffer(org.agrona.DirectBuffer) Mockito.mock(org.mockito.Mockito.mock) AeronCluster(io.aeron.cluster.client.AeronCluster) Cluster(io.aeron.cluster.service.Cluster) StubClusteredService(io.aeron.test.cluster.StubClusteredService) ClusteredService(io.aeron.cluster.service.ClusteredService) ExclusivePublication(io.aeron.ExclusivePublication) Image(io.aeron.Image) ExpandableArrayBuffer(org.agrona.ExpandableArrayBuffer) DirectBuffer(org.agrona.DirectBuffer) Header(io.aeron.logbuffer.Header) FragmentHandler(io.aeron.logbuffer.FragmentHandler) ClientSession(io.aeron.cluster.service.ClientSession) StubClusteredService(io.aeron.test.cluster.StubClusteredService) ClusteredServiceContainer(io.aeron.cluster.service.ClusteredServiceContainer)

Aggregations

ExclusivePublication (io.aeron.ExclusivePublication)6 Image (io.aeron.Image)6 Archive (io.aeron.archive.Archive)6 ArchiveThreadingMode (io.aeron.archive.ArchiveThreadingMode)6 CLUSTER_MEMBERS (io.aeron.cluster.ClusterTestConstants.CLUSTER_MEMBERS)6 INGRESS_ENDPOINTS (io.aeron.cluster.ClusterTestConstants.INGRESS_ENDPOINTS)6 AeronCluster (io.aeron.cluster.client.AeronCluster)6 ClientSession (io.aeron.cluster.service.ClientSession)6 Cluster (io.aeron.cluster.service.Cluster)6 ClusteredService (io.aeron.cluster.service.ClusteredService)6 ClusteredServiceContainer (io.aeron.cluster.service.ClusteredServiceContainer)6 MediaDriver (io.aeron.driver.MediaDriver)6 ThreadingMode (io.aeron.driver.ThreadingMode)6 FragmentHandler (io.aeron.logbuffer.FragmentHandler)6 ClusterTests (io.aeron.test.cluster.ClusterTests)6 StubClusteredService (io.aeron.test.cluster.StubClusteredService)6 TimeUnit (java.util.concurrent.TimeUnit)6 AtomicLong (java.util.concurrent.atomic.AtomicLong)6 SIZE_OF_INT (org.agrona.BitUtil.SIZE_OF_INT)6 CloseHelper (org.agrona.CloseHelper)6