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

Example 26 with Image

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

the class RecordingWriterTest method onBlockThrowsNullPointerExceptionIfInitWasNotCalled.

@Test
void onBlockThrowsNullPointerExceptionIfInitWasNotCalled() {
    final Image image = mockImage(0L);
    final RecordingWriter recordingWriter = new RecordingWriter(1, 0, SEGMENT_LENGTH, image, new Context().archiveDir(archiveDir));
    assertThrows(NullPointerException.class, () -> recordingWriter.onBlock(new UnsafeBuffer(allocate(32)), 0, 10, 5, 8));
}

Example 27 with Image

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

the class RecordingWriterTest method onBlockShouldWriteHeaderOfThePaddingFrameAndAdvanceFilePositionByThePaddingLength.

@Test
void onBlockShouldWriteHeaderOfThePaddingFrameAndAdvanceFilePositionByThePaddingLength() throws IOException {
    final int segmentOffset = 96;
    final long startPosition = 7 * TERM_LENGTH + segmentOffset;
    final Image image = mockImage(startPosition);
    final RecordingWriter recordingWriter = new RecordingWriter(5, startPosition, SEGMENT_LENGTH, image, new Context().archiveDir(archiveDir));
    recordingWriter.init();
    final UnsafeBuffer termBuffer = new UnsafeBuffer(allocate(1024));
    frameType(termBuffer, 0, HDR_TYPE_PAD);
    frameLengthOrdered(termBuffer, 0, 1024);
    frameSessionId(termBuffer, 0, 111);
    final byte[] data = new byte[992];
    fill(data, (byte) -1);
    termBuffer.putBytes(HEADER_LENGTH, data);
    recordingWriter.onBlock(termBuffer, 0, 1024, -1, -1);
    recordingWriter.close();
    final File segmentFile = segmentFile(5, startPosition);
    assertTrue(segmentFile.exists());
    assertEquals(SEGMENT_LENGTH, segmentFile.length());
    final UnsafeBuffer fileBuffer = new UnsafeBuffer();
    fileBuffer.wrap(readAllBytes(segmentFile.toPath()));
    final byte[] preamble = new byte[segmentOffset];
    fileBuffer.getBytes(0, preamble, 0, segmentOffset);
    assertArrayEquals(new byte[segmentOffset], preamble);
    assertEquals(HDR_TYPE_PAD, frameType(fileBuffer, segmentOffset));
    assertEquals(1024, frameLength(fileBuffer, segmentOffset));
    assertEquals(111, frameSessionId(fileBuffer, segmentOffset));
    final byte[] fileBytes = new byte[992];
    fileBuffer.getBytes(segmentOffset + HEADER_LENGTH, fileBytes, 0, 992);
    assertArrayEquals(new byte[992], fileBytes);
}

Example 28 with Image

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

the class RecordingWriterTest method onBlockShouldNotComputeCrcForThePaddingFrame.

@Test
void onBlockShouldNotComputeCrcForThePaddingFrame() throws IOException {
    final Image image = mockImage(0L);
    final Context ctx = new Context().archiveDir(archiveDir).recordChecksumBuffer(new UnsafeBuffer(allocateDirectAligned(512, 64))).recordChecksum(crc32());
    final RecordingWriter recordingWriter = new RecordingWriter(1, 0, SEGMENT_LENGTH, image, ctx);
    recordingWriter.init();
    final UnsafeBuffer termBuffer = new UnsafeBuffer(allocate(512));
    final int length = 128;
    final byte[] data = new byte[length - HEADER_LENGTH];
    final int sessionId = 5;
    final int termId = 18;
    fill(data, (byte) 99);
    frameType(termBuffer, 0, HDR_TYPE_PAD);
    frameTermId(termBuffer, 0, termId);
    frameLengthOrdered(termBuffer, 0, length);
    frameSessionId(termBuffer, 0, sessionId);
    termBuffer.putBytes(HEADER_LENGTH, data);
    recordingWriter.onBlock(termBuffer, 0, HEADER_LENGTH, -1, -1);
    recordingWriter.close();
    final File segmentFile = segmentFile(1, 0);
    assertTrue(segmentFile.exists());
    assertEquals(SEGMENT_LENGTH, segmentFile.length());
    final UnsafeBuffer fileBuffer = new UnsafeBuffer();
    fileBuffer.wrap(readAllBytes(segmentFile.toPath()));
    assertEquals(HDR_TYPE_PAD, frameType(fileBuffer, 0));
    assertEquals(termId, frameTermId(fileBuffer, 0));
    assertEquals(length, frameLength(fileBuffer, 0));
    assertEquals(sessionId, frameSessionId(fileBuffer, 0));
}

Example 29 with Image

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

the class RecordingWriterTest method closeShouldCloseTheUnderlyingFile.

@Test
void closeShouldCloseTheUnderlyingFile() throws IOException {
    final Image image = mockImage(0L);
    final RecordingWriter recordingWriter = new RecordingWriter(1, 0, SEGMENT_LENGTH, image, new Context().archiveDir(archiveDir));
    recordingWriter.init();
    recordingWriter.close();
    final File segmentFile = segmentFile(1, 0);
    assertTrue(segmentFile.exists());
    // can delete since the underlying FileChannel was already closed
    delete(segmentFile.toPath());
}

Example 30 with Image

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

the class RecordingWriterTest method onBlockShouldRollOverToTheNextSegmentFile.

@Test
void onBlockShouldRollOverToTheNextSegmentFile() throws IOException {
    final Image image = mockImage(0L);
    final RecordingWriter recordingWriter = new RecordingWriter(13, 0, SEGMENT_LENGTH, image, new Context().archiveDir(archiveDir));
    recordingWriter.init();
    final byte[] data1 = new byte[992];
    fill(data1, (byte) 13);
    final UnsafeBuffer termBuffer = new UnsafeBuffer(allocate(TERM_LENGTH));
    frameType(termBuffer, 0, HDR_TYPE_DATA);
    frameLengthOrdered(termBuffer, 0, 1024);
    termBuffer.putBytes(HEADER_LENGTH, data1);
    for (int i = 0; i < SEGMENT_LENGTH / 1024; i++) {
        recordingWriter.onBlock(termBuffer, 0, 1024, -1, -1);
    }
    frameType(termBuffer, 0, HDR_TYPE_DATA);
    frameLengthOrdered(termBuffer, 0, 192);
    final byte[] data2 = new byte[160];
    fill(data2, (byte) 22);
    termBuffer.putBytes(HEADER_LENGTH, data2);
    recordingWriter.onBlock(termBuffer, 0, 192, -1, -1);
    recordingWriter.close();
    final File segmentFile1 = segmentFile(13, 0);
    assertTrue(segmentFile1.exists());
    assertEquals(SEGMENT_LENGTH, segmentFile1.length());
    final UnsafeBuffer fileBuffer = new UnsafeBuffer();
    fileBuffer.wrap(readAllBytes(segmentFile1.toPath()));
    assertEquals(HDR_TYPE_DATA, frameType(fileBuffer, 0));
    assertEquals(1024, frameLength(fileBuffer, 0));
    byte[] fileBytes = new byte[992];
    fileBuffer.getBytes(HEADER_LENGTH, fileBytes, 0, 992);
    assertArrayEquals(data1, fileBytes);
    final File segmentFile2 = segmentFile(13, SEGMENT_LENGTH);
    assertTrue(segmentFile2.exists());
    assertEquals(SEGMENT_LENGTH, segmentFile2.length());
    fileBuffer.wrap(readAllBytes(segmentFile2.toPath()));
    assertEquals(HDR_TYPE_DATA, frameType(fileBuffer, 0));
    assertEquals(192, frameLength(fileBuffer, 0));
    fileBytes = new byte[160];
    fileBuffer.getBytes(HEADER_LENGTH, fileBytes, 0, 160);
    assertArrayEquals(data2, fileBytes);
}