Examples with ManyToOneConcurrentLinkedQueue org.agrona.concurrent.ManyToOneConcurrentLinkedQueue used on opensource projects

Example 1 with ManyToOneConcurrentLinkedQueue

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

the class ArchiveTest method shouldAllowMultipleConnectionsInParallel.

@Test
public void shouldAllowMultipleConnectionsInParallel() throws InterruptedException {
    final int numberOfArchiveClients = 5;
    final long connectTimeoutNs = TimeUnit.SECONDS.toNanos(10);
    final CountDownLatch latch = new CountDownLatch(numberOfArchiveClients);
    final ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(numberOfArchiveClients);
    final ManyToOneConcurrentLinkedQueue<AeronArchive> archiveClientQueue = new ManyToOneConcurrentLinkedQueue<>();
    final MediaDriver.Context driverCtx = new MediaDriver.Context().errorHandler(Tests::onError).clientLivenessTimeoutNs(connectTimeoutNs).dirDeleteOnStart(true).publicationUnblockTimeoutNs(connectTimeoutNs * 2).threadingMode(ThreadingMode.SHARED);
    final Archive.Context archiveCtx = new Archive.Context().threadingMode(SHARED).connectTimeoutNs(connectTimeoutNs);
    executor.prestartAllCoreThreads();
    try (ArchivingMediaDriver driver = ArchivingMediaDriver.launch(driverCtx, archiveCtx)) {
        for (int i = 0; i < numberOfArchiveClients; i++) {
            executor.execute(() -> {
                final AeronArchive.Context ctx = new AeronArchive.Context().messageTimeoutNs(connectTimeoutNs);
                final AeronArchive archive = AeronArchive.connect(ctx);
                archiveClientQueue.add(archive);
                latch.countDown();
            });
        }
        assertTrue(latch.await(driver.archive().context().connectTimeoutNs() * 2, TimeUnit.NANOSECONDS));
        AeronArchive archiveClient;
        while (null != (archiveClient = archiveClientQueue.poll())) {
            archiveClient.close();
        }
    } finally {
        executor.shutdownNow();
        archiveCtx.deleteDirectory();
        driverCtx.deleteDirectory();
    }
}