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

Example 71 with Publication

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

the class ManageRecordingHistoryTest method shouldPurgeForLateJoinedStream.

@Test
@InterruptAfter(10)
void shouldPurgeForLateJoinedStream() throws IOException {
    final String messagePrefix = "Message-Prefix-";
    final int initialTermId = 7;
    final long targetPosition = (SEGMENT_LENGTH * 13L) + 1;
    final long startPosition = (SEGMENT_LENGTH * 10L) + 7 * FRAME_ALIGNMENT;
    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());
        final File archiveDir = archive.context().archiveDir();
        long position = 0;
        boolean deleted = false;
        while (position < startPosition - SEGMENT_LENGTH) {
            final String segmentFileName = Archive.segmentFileName(recordingId, position);
            if (deleted) {
                assertTrue(new File(archiveDir, segmentFileName + ".del").createNewFile());
            } else {
                assertTrue(new File(archiveDir, segmentFileName).createNewFile());
            }
            deleted = !deleted;
            position += SEGMENT_LENGTH;
        }
        final String fileNamePrefix = recordingId + "-";
        final String[] recordingFiles = archiveDir.list((dir, name) -> name.startsWith(fileNamePrefix));
        assertThat(recordingFiles, arrayWithSize(14));
        final long segmentFileBasePosition = AeronArchive.segmentFileBasePosition(startPosition, startPosition + SEGMENT_LENGTH + TERM_LENGTH + FRAME_ALIGNMENT * 5, TERM_LENGTH, SEGMENT_LENGTH);
        final long purgeSegments = aeronArchive.purgeSegments(recordingId, segmentFileBasePosition);
        assertEquals(11L, purgeSegments);
        assertEquals(segmentFileBasePosition, aeronArchive.getStartPosition(recordingId));
        aeronArchive.stopRecording(publication);
        Tests.await(() -> {
            final String[] files = archiveDir.list((dir, name) -> name.startsWith(fileNamePrefix));
            if (null != files && 3 == files.length) {
                assertThat(files, arrayContainingInAnyOrder(Archive.segmentFileName(recordingId, SEGMENT_LENGTH * 13L), Archive.segmentFileName(recordingId, SEGMENT_LENGTH * 12L), Archive.segmentFileName(recordingId, SEGMENT_LENGTH * 11L)));
                return true;
            }
            return false;
        });
    }
}