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

Example 66 with Publication

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

the class ArchiveTest method shouldRecoverRecordingWithNonZeroStartPosition.

@Test
public void shouldRecoverRecordingWithNonZeroStartPosition() {
    final MediaDriver.Context driverCtx = new MediaDriver.Context().dirDeleteOnStart(true).threadingMode(ThreadingMode.SHARED);
    final Archive.Context archiveCtx = new Archive.Context().threadingMode(SHARED);
    long resultingPosition;
    final int initialPosition = DataHeaderFlyweight.HEADER_LENGTH * 9;
    final long recordingId;
    try (ArchivingMediaDriver ignore = ArchivingMediaDriver.launch(driverCtx.clone(), archiveCtx.clone());
        AeronArchive archive = AeronArchive.connect()) {
        final int termLength = 128 * 1024;
        final int initialTermId = 29;
        final String channel = new ChannelUriStringBuilder().media(CommonContext.IPC_MEDIA).initialPosition(initialPosition, initialTermId, termLength).build();
        final Publication publication = archive.addRecordedExclusivePublication(channel, 1);
        final DirectBuffer buffer = new UnsafeBuffer("Hello World".getBytes(StandardCharsets.US_ASCII));
        while ((resultingPosition = publication.offer(buffer)) <= 0) {
            Tests.yield();
        }
        final Aeron aeron = archive.context().aeron();
        int counterId;
        final int sessionId = publication.sessionId();
        final CountersReader countersReader = aeron.countersReader();
        while (Aeron.NULL_VALUE == (counterId = RecordingPos.findCounterIdBySession(countersReader, sessionId))) {
            Tests.yield();
        }
        recordingId = RecordingPos.getRecordingId(countersReader, counterId);
        while (countersReader.getCounterValue(counterId) < resultingPosition) {
            Tests.yield();
        }
    }
    try (Catalog catalog = openCatalog(archiveCtx)) {
        final Catalog.CatalogEntryProcessor catalogEntryProcessor = (recordingDescriptorOffset, headerEncoder, headerDecoder, descriptorEncoder, descriptorDecoder) -> descriptorEncoder.stopPosition(Aeron.NULL_VALUE);
        assertTrue(catalog.forEntry(recordingId, catalogEntryProcessor));
    }
    final Archive.Context archiveCtxClone = archiveCtx.clone();
    final MediaDriver.Context driverCtxClone = driverCtx.clone();
    try (ArchivingMediaDriver ignore = ArchivingMediaDriver.launch(driverCtxClone, archiveCtxClone);
        AeronArchive archive = AeronArchive.connect()) {
        assertEquals(initialPosition, archive.getStartPosition(recordingId));
        assertEquals(resultingPosition, archive.getStopPosition(recordingId));
    } finally {
        archiveCtxClone.deleteDirectory();
        driverCtxClone.deleteDirectory();
    }
}

Example 67 with Publication

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

the class RecordingDescriptorCollectorTest method createRecordings.

private void createRecordings(final AeronArchive aeronArchive, final int numRecordings) {
    final UnsafeBuffer message = new UnsafeBuffer("this is some data".getBytes());
    for (int i = 0; i < numRecordings; i++) {
        try (Publication publication = aeronArchive.addRecordedPublication("aeron:ipc?ssc=true", 10000 + i)) {
            long expectedPosition;
            while ((expectedPosition = publication.offer(message, 0, message.capacity())) < 0) {
                Tests.yield();
            }
            long recordingId;
            while ((recordingId = aeronArchive.findLastMatchingRecording(0, "aeron:ipc", publication.streamId(), publication.sessionId())) == Aeron.NULL_VALUE) {
                Tests.yield();
            }
            while (expectedPosition < aeronArchive.getRecordingPosition(recordingId)) {
                Tests.yield();
            }
        }
    }
}

Example 68 with Publication

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

the class FileSender method main.

/**
 * Main method for launching the process.
 *
 * @param args passed to the process.
 * @throws InterruptedException if the thread is interrupted when sleeping.
 */
public static void main(final String[] args) throws InterruptedException {
    if (args.length != 1) {
        System.out.println("Filename to be sent must be supplied as a command line argument");
        System.exit(1);
    }
    try (Aeron aeron = Aeron.connect();
        Publication publication = aeron.addExclusivePublication(CHANNEL, STREAM_ID)) {
        while (!publication.isConnected()) {
            Thread.sleep(1);
        }
        final File file = new File(args[0]);
        final UnsafeBuffer buffer = new UnsafeBuffer(IoUtil.mapExistingFile(file, "sending"));
        final long correlationId = aeron.nextCorrelationId();
        sendFileCreate(publication, correlationId, buffer.capacity(), file.getName());
        streamChunks(publication, correlationId, buffer);
    }
}

Example 69 with Publication

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

the class ManageRecordingHistoryTest method shouldDetachThenAttachWhenStartNotSegmentAligned.

@Test
@InterruptAfter(10)
void shouldDetachThenAttachWhenStartNotSegmentAligned() {
    final String messagePrefix = "Message-Prefix-";
    final int initialTermId = 7;
    final long targetPosition = (SEGMENT_LENGTH * 3L) + 1;
    final long startPosition = (TERM_LENGTH * 2L) + (FRAME_ALIGNMENT * 2L);
    uriBuilder.initialPosition(startPosition, initialTermId, TERM_LENGTH);
    try (Publication publication = aeronArchive.addRecordedExclusivePublication(uriBuilder.build(), STREAM_ID)) {
        assertEquals(startPosition, publication.position());
        final CountersReader counters = aeron.countersReader();
        final int counterId = awaitRecordingCounterId(counters, publication.sessionId());
        final long recordingId = RecordingPos.getRecordingId(counters, counterId);
        offerToPosition(publication, messagePrefix, targetPosition);
        awaitPosition(counters, counterId, publication.position());
        aeronArchive.stopRecording(publication);
        final long segmentFileBasePosition = AeronArchive.segmentFileBasePosition(startPosition, startPosition + (SEGMENT_LENGTH * 2L), TERM_LENGTH, SEGMENT_LENGTH);
        aeronArchive.detachSegments(recordingId, segmentFileBasePosition);
        assertEquals(segmentFileBasePosition, aeronArchive.getStartPosition(recordingId));
        final long attachSegments = aeronArchive.attachSegments(recordingId);
        assertEquals(2L, attachSegments);
        assertEquals(startPosition, aeronArchive.getStartPosition(recordingId));
    }
}

Example 70 with Publication

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

the class ManageRecordingHistoryTest method shouldPurgeRecording.

@Test
@InterruptAfter(10)
void shouldPurgeRecording() throws IOException {
    final String messagePrefix = "Message-Prefix-";
    final long targetPosition = (SEGMENT_LENGTH * 3L) + 1;
    try (Publication publication = aeronArchive.addRecordedPublication(uriBuilder.build(), STREAM_ID)) {
        final CountersReader counters = aeron.countersReader();
        final int counterId = awaitRecordingCounterId(counters, publication.sessionId());
        final long newRecordingId = RecordingPos.getRecordingId(counters, counterId);
        offerToPosition(publication, messagePrefix, targetPosition);
        awaitPosition(counters, counterId, publication.position());
        final MutableReference<RecordingSignal> signalRef = new MutableReference<>();
        final RecordingSignalConsumer consumer = (controlSessionId, correlationId, recordingId, subscriptionId, position, transitionType) -> {
            if (newRecordingId == recordingId) {
                signalRef.set(transitionType);
            }
        };
        final RecordingSignalAdapter adapter = new RecordingSignalAdapter(aeronArchive.controlSessionId(), ERROR_CONTROL_LISTENER, consumer, aeronArchive.controlResponsePoller().subscription(), FRAGMENT_LIMIT);
        aeronArchive.stopRecording(publication);
        assertEquals(RecordingSignal.STOP, awaitSignal(signalRef, adapter));
        final String prefix = newRecordingId + "-";
        final File archiveDir = archive.context().archiveDir();
        assertTrue(new File(archiveDir, prefix + (SEGMENT_LENGTH * 4L) + ".rec").createNewFile());
        assertTrue(new File(archiveDir, prefix + (SEGMENT_LENGTH * 5L) + ".rec.del").createNewFile());
        aeronArchive.purgeRecording(newRecordingId);
        assertEquals(RecordingSignal.DELETE, awaitSignal(signalRef, adapter));
        assertThat(archiveDir.list(((dir, name) -> name.startsWith(prefix))), arrayWithSize(0));
    }
}