Examples with PBLogEntry io.dingodb.raft.entity.codec.v2.LogOutter.PBLogEntry used on opensource projects

Example 1 with PBLogEntry

use of io.dingodb.raft.entity.codec.v2.LogOutter.PBLogEntry in project dingo by dingodb.

the class V2Encoder method encode.

@Override
public byte[] encode(final LogEntry log) {
    Requires.requireNonNull(log, "Null log");
    final LogId logId = log.getId();
    final PBLogEntry.Builder builder = // 
    PBLogEntry.newBuilder().setType(// 
    log.getType()).setIndex(// 
    logId.getIndex()).setTerm(logId.getTerm());
    final List<PeerId> peers = log.getPeers();
    if (hasPeers(peers)) {
        encodePeers(builder, peers);
    }
    final List<PeerId> oldPeers = log.getOldPeers();
    if (hasPeers(oldPeers)) {
        encodeOldPeers(builder, oldPeers);
    }
    final List<PeerId> learners = log.getLearners();
    if (hasPeers(learners)) {
        encodeLearners(builder, learners);
    }
    final List<PeerId> oldLearners = log.getOldLearners();
    if (hasPeers(oldLearners)) {
        encodeOldLearners(builder, oldLearners);
    }
    if (log.hasChecksum()) {
        builder.setChecksum(log.getChecksum());
    }
    builder.setData(log.getData() != null ? ZeroByteStringHelper.wrap(log.getData()) : ByteString.EMPTY);
    final PBLogEntry pbLogEntry = builder.build();
    final int bodyLen = pbLogEntry.getSerializedSize();
    final byte[] ret = new byte[LogEntryV2CodecFactory.HEADER_SIZE + bodyLen];
    // write header
    int i = 0;
    for (; i < LogEntryV2CodecFactory.MAGIC_BYTES.length; i++) {
        ret[i] = LogEntryV2CodecFactory.MAGIC_BYTES[i];
    }
    ret[i++] = LogEntryV2CodecFactory.VERSION;
    // avoid memory copy for only 3 bytes
    for (; i < LogEntryV2CodecFactory.HEADER_SIZE; i++) {
        ret[i] = LogEntryV2CodecFactory.RESERVED[i - LogEntryV2CodecFactory.MAGIC_BYTES.length - 1];
    }
    // write body
    writeToByteArray(pbLogEntry, ret, i, bodyLen);
    return ret;
}

Example 2 with PBLogEntry

use of io.dingodb.raft.entity.codec.v2.LogOutter.PBLogEntry in project sofa-jraft by sofastack.

the class V2Decoder method decode.

@Override
public LogEntry decode(final byte[] bs) {
    if (bs == null || bs.length < LogEntryV2CodecFactory.HEADER_SIZE) {
        return null;
    }
    int i = 0;
    for (; i < LogEntryV2CodecFactory.MAGIC_BYTES.length; i++) {
        if (bs[i] != LogEntryV2CodecFactory.MAGIC_BYTES[i]) {
            return null;
        }
    }
    if (bs[i++] != LogEntryV2CodecFactory.VERSION) {
        return null;
    }
    // Ignored reserved
    i += LogEntryV2CodecFactory.RESERVED.length;
    try {
        final PBLogEntry entry = PBLogEntry.parseFrom(ZeroByteStringHelper.wrap(bs, i, bs.length - i));
        final LogEntry log = new LogEntry();
        log.setType(entry.getType());
        log.getId().setIndex(entry.getIndex());
        log.getId().setTerm(entry.getTerm());
        if (entry.hasChecksum()) {
            log.setChecksum(entry.getChecksum());
        }
        if (entry.getPeersCount() > 0) {
            final List<PeerId> peers = new ArrayList<>(entry.getPeersCount());
            for (final ByteString bstring : entry.getPeersList()) {
                peers.add(JRaftUtils.getPeerId(AsciiStringUtil.unsafeDecode(bstring)));
            }
            log.setPeers(peers);
        }
        if (entry.getOldPeersCount() > 0) {
            final List<PeerId> peers = new ArrayList<>(entry.getOldPeersCount());
            for (final ByteString bstring : entry.getOldPeersList()) {
                peers.add(JRaftUtils.getPeerId(AsciiStringUtil.unsafeDecode(bstring)));
            }
            log.setOldPeers(peers);
        }
        if (entry.getLearnersCount() > 0) {
            final List<PeerId> peers = new ArrayList<>(entry.getLearnersCount());
            for (final ByteString bstring : entry.getLearnersList()) {
                peers.add(JRaftUtils.getPeerId(AsciiStringUtil.unsafeDecode(bstring)));
            }
            log.setLearners(peers);
        }
        if (entry.getOldLearnersCount() > 0) {
            final List<PeerId> peers = new ArrayList<>(entry.getOldLearnersCount());
            for (final ByteString bstring : entry.getOldLearnersList()) {
                peers.add(JRaftUtils.getPeerId(AsciiStringUtil.unsafeDecode(bstring)));
            }
            log.setOldLearners(peers);
        }
        final ByteString data = entry.getData();
        if (!data.isEmpty()) {
            log.setData(ByteBuffer.wrap(ZeroByteStringHelper.getByteArray(data)));
        }
        return log;
    } catch (final InvalidProtocolBufferException e) {
        LOG.error("Fail to decode pb log entry", e);
        return null;
    }
}

Example 3 with PBLogEntry

use of io.dingodb.raft.entity.codec.v2.LogOutter.PBLogEntry in project sofa-jraft by sofastack.

the class V2Encoder method encode.

@Override
public byte[] encode(final LogEntry log) {
    Requires.requireNonNull(log, "Null log");
    final LogId logId = log.getId();
    final PBLogEntry.Builder builder = // 
    PBLogEntry.newBuilder().setType(// 
    log.getType()).setIndex(// 
    logId.getIndex()).setTerm(logId.getTerm());
    final List<PeerId> peers = log.getPeers();
    if (hasPeers(peers)) {
        encodePeers(builder, peers);
    }
    final List<PeerId> oldPeers = log.getOldPeers();
    if (hasPeers(oldPeers)) {
        encodeOldPeers(builder, oldPeers);
    }
    final List<PeerId> learners = log.getLearners();
    if (hasPeers(learners)) {
        encodeLearners(builder, learners);
    }
    final List<PeerId> oldLearners = log.getOldLearners();
    if (hasPeers(oldLearners)) {
        encodeOldLearners(builder, oldLearners);
    }
    if (log.hasChecksum()) {
        builder.setChecksum(log.getChecksum());
    }
    builder.setData(log.getData() != null ? ZeroByteStringHelper.wrap(log.getData()) : ByteString.EMPTY);
    final PBLogEntry pbLogEntry = builder.build();
    final int bodyLen = pbLogEntry.getSerializedSize();
    final byte[] ret = new byte[LogEntryV2CodecFactory.HEADER_SIZE + bodyLen];
    // write header
    int i = 0;
    for (; i < LogEntryV2CodecFactory.MAGIC_BYTES.length; i++) {
        ret[i] = LogEntryV2CodecFactory.MAGIC_BYTES[i];
    }
    ret[i++] = LogEntryV2CodecFactory.VERSION;
    // avoid memory copy for only 3 bytes
    for (; i < LogEntryV2CodecFactory.HEADER_SIZE; i++) {
        ret[i] = LogEntryV2CodecFactory.RESERVED[i - LogEntryV2CodecFactory.MAGIC_BYTES.length - 1];
    }
    // write body
    writeToByteArray(pbLogEntry, ret, i, bodyLen);
    return ret;
}