Examples with DirectBuffer org.agrona.DirectBuffer used on opensource projects

Example 91 with DirectBuffer

use of org.agrona.DirectBuffer in project aeron by real-logic.

the class ClusterTool method printErrors.

private static void printErrors(final ClusterMarkFile markFile) {
    System.out.println("Cluster component error log:");
    ClusterMarkFile.saveErrorLog(System.out, markFile.errorBuffer());
    final String aeronDirectory = markFile.decoder().aeronDirectory();
    System.out.println("Aeron driver error log (directory: " + aeronDirectory + "):");
    final File cncFile = new File(aeronDirectory, CncFileDescriptor.CNC_FILE);
    final MappedByteBuffer cncByteBuffer = IoUtil.mapExistingFile(cncFile, "cnc");
    final DirectBuffer cncMetaDataBuffer = CncFileDescriptor.createMetaDataBuffer(cncByteBuffer);
    final int cncVersion = cncMetaDataBuffer.getInt(CncFileDescriptor.cncVersionOffset(0));
    if (CncFileDescriptor.CNC_VERSION != cncVersion) {
        throw new IllegalStateException("Aeron CnC version does not match: version=" + cncVersion + " required=" + CncFileDescriptor.CNC_VERSION);
    }
    final AtomicBuffer buffer = CncFileDescriptor.createErrorLogBuffer(cncByteBuffer, cncMetaDataBuffer);
    ClusterMarkFile.saveErrorLog(System.out, buffer);
}

Example 92 with DirectBuffer

use of org.agrona.DirectBuffer in project aeron by real-logic.

the class ClusterNodeRestartTest method launchService.

private void launchService(final boolean initialLaunch, final AtomicLong msgCounter) {
    final ClusteredService service = new StubClusteredService() {

        private int counterValue = 0;

        public void onSessionMessage(final long clusterSessionId, final long correlationId, final long timestampMs, final DirectBuffer buffer, final int offset, final int length, final Header header) {
            final int sentValue = buffer.getInt(offset);
            assertThat(sentValue, is(counterValue));
            counterValue++;
            serviceState.set(Integer.toString(counterValue));
            msgCounter.getAndIncrement();
        }

        public void onTakeSnapshot(final Publication snapshotPublication) {
            final ExpandableArrayBuffer buffer = new ExpandableArrayBuffer();
            int length = 0;
            buffer.putInt(length, counterValue);
            length += SIZE_OF_INT;
            length += buffer.putIntAscii(length, counterValue);
            snapshotPublication.offer(buffer, 0, length);
        }

        public void onLoadSnapshot(final Image snapshotImage) {
            while (true) {
                final int fragments = snapshotImage.poll((buffer, offset, length, header) -> {
                    counterValue = buffer.getInt(offset);
                    final String s = buffer.getStringWithoutLengthAscii(offset + SIZE_OF_INT, length - SIZE_OF_INT);
                    serviceState.set(s);
                }, 1);
                if (fragments == 1) {
                    break;
                }
                TestUtil.checkInterruptedStatus();
                Thread.yield();
            }
        }
    };
    container = null;
    container = ClusteredServiceContainer.launch(new ClusteredServiceContainer.Context().clusteredService(service).terminationHook(() -> {
    }).errorHandler(Throwable::printStackTrace).deleteDirOnStart(initialLaunch));
}

Example 93 with DirectBuffer

use of org.agrona.DirectBuffer in project aeron by real-logic.

the class AeronStat method mapCounters.

public static CountersReader mapCounters() {
    final File cncFile = CommonContext.newDefaultCncFile();
    System.out.println("Command `n Control file " + cncFile);
    final MappedByteBuffer cncByteBuffer = IoUtil.mapExistingFile(cncFile, "cnc");
    final DirectBuffer cncMetaData = createMetaDataBuffer(cncByteBuffer);
    final int cncVersion = cncMetaData.getInt(cncVersionOffset(0));
    if (CncFileDescriptor.CNC_VERSION != cncVersion) {
        throw new IllegalStateException("Aeron CnC version does not match: version=" + cncVersion + " required=" + CNC_VERSION);
    }
    return new CountersReader(createCountersMetaDataBuffer(cncByteBuffer, cncMetaData), createCountersValuesBuffer(cncByteBuffer, cncMetaData), StandardCharsets.US_ASCII);
}

Example 94 with DirectBuffer

use of org.agrona.DirectBuffer in project simple-binary-encoding by real-logic.

the class CompositeElementsGenerationTest method shouldDecodeCorrectly.

@Test
public void shouldDecodeCorrectly() {
    final ByteBuffer encodedMsgBuffer = ByteBuffer.allocate(MSG_BUFFER_CAPACITY);
    encodeTestMessage(encodedMsgBuffer);
    final DirectBuffer decodeBuffer = new UnsafeBuffer(encodedMsgBuffer);
    final MessageHeaderDecoder hdrDecoder = new MessageHeaderDecoder();
    final MsgDecoder msgDecoder = new MsgDecoder();
    hdrDecoder.wrap(decodeBuffer, 0);
    msgDecoder.wrap(decodeBuffer, hdrDecoder.encodedLength(), MSG_ENCODER.sbeBlockLength(), MSG_ENCODER.sbeSchemaVersion());
    assertThat(hdrDecoder.blockLength(), is(22));
    assertThat(hdrDecoder.templateId(), is(1));
    assertThat(hdrDecoder.schemaId(), is(3));
    assertThat(hdrDecoder.version(), is(0));
    assertThat(msgDecoder.structure().enumOne(), is(EnumOne.Value10));
    assertThat(msgDecoder.structure().zeroth(), is((short) 42));
    assertThat(msgDecoder.structure().setOne().bit0(), is(false));
    assertThat(msgDecoder.structure().setOne().bit16(), is(true));
    assertThat(msgDecoder.structure().setOne().bit26(), is(false));
    assertThat(msgDecoder.structure().inner().first(), is(101L));
    assertThat(msgDecoder.structure().inner().second(), is(202L));
    assertThat(msgDecoder.encodedLength(), is(22));
}

Example 95 with DirectBuffer

use of org.agrona.DirectBuffer in project simple-binary-encoding by real-logic.

the class CompositeElementsGenerationTest method shouldEncodeCorrectly.

@Test
public void shouldEncodeCorrectly() {
    final ByteBuffer encodedMsgBuffer = ByteBuffer.allocate(MSG_BUFFER_CAPACITY);
    encodeTestMessage(encodedMsgBuffer);
    final DirectBuffer decodeBuffer = new UnsafeBuffer(encodedMsgBuffer);
    int offset = 0;
    assertThat(decodeBuffer.getShort(offset), is((short) 22));
    offset += BitUtil.SIZE_OF_SHORT;
    assertThat(decodeBuffer.getShort(offset), is((short) 1));
    offset += BitUtil.SIZE_OF_SHORT;
    assertThat(decodeBuffer.getShort(offset), is((short) 3));
    offset += BitUtil.SIZE_OF_SHORT;
    assertThat(decodeBuffer.getShort(offset), is((short) 0));
    offset += BitUtil.SIZE_OF_SHORT;
    assertThat(decodeBuffer.getByte(offset), is((byte) 10));
    offset += BitUtil.SIZE_OF_BYTE;
    assertThat(decodeBuffer.getByte(offset), is((byte) 42));
    offset += BitUtil.SIZE_OF_BYTE;
    assertThat(decodeBuffer.getInt(offset), is(0x00_01_00_00));
    offset += BitUtil.SIZE_OF_INT;
    assertThat(decodeBuffer.getLong(offset), is(101L));
    offset += BitUtil.SIZE_OF_LONG;
    assertThat(decodeBuffer.getLong(offset), is(202L));
}