Examples with Subscription io.aeron.Subscription used on opensource projects

Example 31 with Subscription

use of io.aeron.Subscription in project aeron by real-logic.

the class RecordingSessionTest method mockSubscription.

private Subscription mockSubscription(final String channel, final int streamId) {
    final Subscription subscription = mock(Subscription.class);
    when(subscription.channel()).thenReturn(channel);
    when(subscription.streamId()).thenReturn(streamId);
    return subscription;
}

Example 32 with Subscription

use of io.aeron.Subscription in project aeron by real-logic.

the class ArchiveReplayLoadTest method replay.

private void replay(final int iteration) {
    try (Subscription replay = aeronArchive.replay(recordingId, startPosition, expectedRecordingLength, REPLAY_URI, iteration)) {
        TestUtil.await(replay::isConnected);
        fragmentCount = 0;
        remaining = totalPayloadLength;
        while (remaining > 0) {
            final int fragments = replay.poll(validatingFragmentHandler, 128);
            if (0 == fragments) {
                if (!replay.isConnected() && remaining > 0) {
                    System.out.println("Unexpected close of image: remaining=" + remaining);
                    System.out.println("Image position=" + receivedPosition + " expected=" + expectedRecordingLength);
                    System.out.println("Resulting error: " + aeronArchive.pollForErrorResponse());
                    aeron.printCounters(System.out);
                    break;
                }
                Thread.yield();
            }
        }
        assertThat(fragmentCount, is(MESSAGE_COUNT));
        assertThat(remaining, is(0L));
    }
}

Example 33 with Subscription

use of io.aeron.Subscription in project aeron by real-logic.

the class EmbeddedPingPong method runPing.

private static void runPing(final String embeddedDirName) throws InterruptedException {
    final Aeron.Context ctx = new Aeron.Context().availableImageHandler(EmbeddedPingPong::availablePongImageHandler).aeronDirectoryName(embeddedDirName);
    System.out.println("Publishing Ping at " + PING_CHANNEL + " on stream Id " + PING_STREAM_ID);
    System.out.println("Subscribing Pong at " + PONG_CHANNEL + " on stream Id " + PONG_STREAM_ID);
    System.out.println("Message payload length of " + MESSAGE_LENGTH + " bytes");
    final FragmentAssembler dataHandler = new FragmentAssembler(EmbeddedPingPong::pongHandler);
    try (Aeron aeron = Aeron.connect(ctx);
        Publication pingPublication = aeron.addPublication(PING_CHANNEL, PING_STREAM_ID);
        Subscription pongSubscription = aeron.addSubscription(PONG_CHANNEL, PONG_STREAM_ID)) {
        System.out.println("Waiting for new image from Pong...");
        PONG_IMAGE_LATCH.await();
        System.out.println("Warming up... " + WARMUP_NUMBER_OF_ITERATIONS + " iterations of " + WARMUP_NUMBER_OF_MESSAGES + " messages");
        for (int i = 0; i < WARMUP_NUMBER_OF_ITERATIONS; i++) {
            roundTripMessages(dataHandler, pingPublication, pongSubscription, WARMUP_NUMBER_OF_MESSAGES);
        }
        Thread.sleep(100);
        final ContinueBarrier barrier = new ContinueBarrier("Execute again?");
        do {
            HISTOGRAM.reset();
            System.out.println("Pinging " + NUMBER_OF_MESSAGES + " messages");
            roundTripMessages(dataHandler, pingPublication, pongSubscription, NUMBER_OF_MESSAGES);
            System.out.println("Histogram of RTT latencies in microseconds.");
            HISTOGRAM.outputPercentileDistribution(System.out, 1000.0);
        } while (barrier.await());
    }
}

Example 34 with Subscription

use of io.aeron.Subscription in project aeron by real-logic.

the class EmbeddedPingPong method startPong.

private static Thread startPong(final String embeddedDirName) {
    return new Thread(() -> {
        System.out.println("Subscribing Ping at " + PING_CHANNEL + " on stream Id " + PING_STREAM_ID);
        System.out.println("Publishing Pong at " + PONG_CHANNEL + " on stream Id " + PONG_STREAM_ID);
        final Aeron.Context ctx = new Aeron.Context().aeronDirectoryName(embeddedDirName);
        try (Aeron aeron = Aeron.connect(ctx);
            Publication pongPublication = aeron.addPublication(PONG_CHANNEL, PONG_STREAM_ID);
            Subscription pingSubscription = aeron.addSubscription(PING_CHANNEL, PING_STREAM_ID)) {
            final FragmentAssembler dataHandler = new FragmentAssembler((buffer, offset, length, header) -> pingHandler(pongPublication, buffer, offset, length));
            while (RUNNING.get()) {
                PING_HANDLER_IDLE_STRATEGY.idle(pingSubscription.poll(dataHandler, FRAME_COUNT_LIMIT));
            }
            System.out.println("Shutting down...");
        }
    });
}

Example 35 with Subscription

use of io.aeron.Subscription in project aeron by real-logic.

the class SamplesUtil method printUnavailableImage.

/**
 * Print the information for an unavailable image to stdout.
 *
 * @param image that has gone inactive
 */
public static void printUnavailableImage(final Image image) {
    final Subscription subscription = image.subscription();
    System.out.println(String.format("Unavailable image on %s streamId=%d sessionId=%d", subscription.channel(), subscription.streamId(), image.sessionId()));
}