Examples with AtomicBuffer org.agrona.concurrent.AtomicBuffer used on opensource projects

Example 1 with AtomicBuffer

use of org.agrona.concurrent.AtomicBuffer in project Aeron by real-logic.

the class CommonContext method saveErrorLog.

/**
     * Read the error log to a given {@link PrintStream}
     *
     * @param out to write the error log contents to.
     * @return the number of observations from the error log
     */
public int saveErrorLog(final PrintStream out) {
    final File dirFile = new File(aeronDirectoryName);
    int distinctErrorCount = 0;
    if (dirFile.exists() && dirFile.isDirectory()) {
        final File cncFile = new File(aeronDirectoryName, CncFileDescriptor.CNC_FILE);
        if (cncFile.exists()) {
            MappedByteBuffer cncByteBuffer = null;
            try {
                cncByteBuffer = IoUtil.mapExistingFile(cncFile, CncFileDescriptor.CNC_FILE);
                final UnsafeBuffer cncMetaDataBuffer = CncFileDescriptor.createMetaDataBuffer(cncByteBuffer);
                final int cncVersion = cncMetaDataBuffer.getInt(CncFileDescriptor.cncVersionOffset(0));
                if (CncFileDescriptor.CNC_VERSION != cncVersion) {
                    throw new IllegalStateException("aeron cnc file version not understood: version=" + cncVersion);
                }
                final AtomicBuffer buffer = CncFileDescriptor.createErrorLogBuffer(cncByteBuffer, cncMetaDataBuffer);
                final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSZ");
                distinctErrorCount = ErrorLogReader.read(buffer, (observationCount, firstObservationTimestamp, lastObservationTimestamp, encodedException) -> out.format("***%n%d observations from %s to %s for:%n %s%n", observationCount, dateFormat.format(new Date(firstObservationTimestamp)), dateFormat.format(new Date(lastObservationTimestamp)), encodedException));
                out.format("%n%d distinct errors observed.%n", distinctErrorCount);
            } catch (final Exception ex) {
                LangUtil.rethrowUnchecked(ex);
            } finally {
                IoUtil.unmap(cncByteBuffer);
            }
        }
    }
    return distinctErrorCount;
}

Example 2 with AtomicBuffer

use of org.agrona.concurrent.AtomicBuffer in project Aeron by real-logic.

the class ErrorStat method main.

public static void main(final String[] args) throws Exception {
    final File cncFile = CommonContext.newDefaultCncFile();
    System.out.println("Command `n Control file " + cncFile);
    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("CNC version not supported: file version=" + cncVersion);
    }
    final AtomicBuffer buffer = CncFileDescriptor.createErrorLogBuffer(cncByteBuffer, cncMetaDataBuffer);
    final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSZ");
    final int distinctErrorCount = ErrorLogReader.read(buffer, (observationCount, firstObservationTimestamp, lastObservationTimestamp, encodedException) -> System.out.format("***%n%d observations from %s to %s for:%n %s%n", observationCount, dateFormat.format(new Date(firstObservationTimestamp)), dateFormat.format(new Date(lastObservationTimestamp)), encodedException));
    System.out.format("%n%d distinct errors observed.%n", distinctErrorCount);
}

Example 3 with AtomicBuffer

use of org.agrona.concurrent.AtomicBuffer in project Aeron by real-logic.

the class LossStat method main.

public static void main(final String[] args) {
    final String aeronDirectoryName = getProperty(AERON_DIR_PROP_NAME, AERON_DIR_PROP_DEFAULT);
    final File lossReportFile = LossReportUtil.file(aeronDirectoryName);
    if (!lossReportFile.exists()) {
        System.err.print("Loss report does not exist: " + lossReportFile);
        System.exit(1);
    }
    final MappedByteBuffer mappedByteBuffer = IoUtil.mapExistingFile(lossReportFile, "Loss Report");
    final AtomicBuffer buffer = new UnsafeBuffer(mappedByteBuffer);
    final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSZ");
    System.out.println("#OBSERVATION_COUNT, TOTAL_BYTES_LOST, FIRST_OBSERVATION," + " LAST_OBSERVATION, SESSION_ID, STREAM_ID, CHANNEL, SOURCE");
    final int entriesRead = LossReportReader.read(buffer, (observationCount, totalBytesLost, firstObservationTimestamp, lastObservationTimestamp, sessionId, streamId, channel, source) -> System.out.format("%d,%d,%s,%s,%d,%d,%s,%s%n", observationCount, totalBytesLost, dateFormat.format(new Date(firstObservationTimestamp)), dateFormat.format(new Date(lastObservationTimestamp)), sessionId, streamId, channel, source));
    System.out.println(entriesRead + " entries read");
}