Examples with PeerId io.dingodb.raft.entity.PeerId used on opensource projects

Example 66 with PeerId

use of io.dingodb.raft.entity.PeerId in project dingo by dingodb.

the class Replicator method notifyReplicatorStatusListener.

/**
 * Notify replicator event(such as created, error, destroyed) to replicatorStateListener which is implemented by users.
 *
 * @param replicator replicator object
 * @param event      replicator's state listener event type
 * @param status     replicator's error detailed status
 */
private static void notifyReplicatorStatusListener(final Replicator replicator, final ReplicatorEvent event, final Status status, final ReplicatorStateListener.ReplicatorState newState) {
    final ReplicatorOptions replicatorOpts = Requires.requireNonNull(replicator.getOpts(), "replicatorOptions");
    final Node node = Requires.requireNonNull(replicatorOpts.getNode(), "node");
    final PeerId peer = Requires.requireNonNull(replicatorOpts.getPeerId(), "peer");
    final List<ReplicatorStateListener> listenerList = node.getReplicatorStatueListeners();
    for (int i = 0; i < listenerList.size(); i++) {
        final ReplicatorStateListener listener = listenerList.get(i);
        if (listener != null) {
            try {
                switch(event) {
                    case CREATED:
                        RpcUtils.runInThread(() -> listener.onCreated(peer));
                        break;
                    case ERROR:
                        RpcUtils.runInThread(() -> listener.onError(peer, status));
                        break;
                    case DESTROYED:
                        RpcUtils.runInThread(() -> listener.onDestroyed(peer));
                        break;
                    case STATE_CHANGED:
                        RpcUtils.runInThread(() -> listener.stateChanged(peer, newState));
                    default:
                        break;
                }
            } catch (final Exception e) {
                LOG.error("Fail to notify ReplicatorStatusListener, listener={}, event={}.", listener, event);
            }
        }
    }
}

Example 67 with PeerId

use of io.dingodb.raft.entity.PeerId in project dingo by dingodb.

the class ReplicatorGroupImpl method findTheNextCandidate.

@Override
public PeerId findTheNextCandidate(final ConfigurationEntry conf) {
    PeerId peerId = null;
    int priority = Integer.MIN_VALUE;
    long maxIndex = -1L;
    for (final Map.Entry<PeerId, ThreadId> entry : this.replicatorMap.entrySet()) {
        if (!conf.contains(entry.getKey())) {
            continue;
        }
        final int nextPriority = entry.getKey().getPriority();
        if (nextPriority == ElectionPriority.NotElected) {
            continue;
        }
        final long nextIndex = Replicator.getNextIndex(entry.getValue());
        if (nextIndex > maxIndex) {
            maxIndex = nextIndex;
            peerId = entry.getKey();
            priority = peerId.getPriority();
        } else if (nextIndex == maxIndex && nextPriority > priority) {
            peerId = entry.getKey();
            priority = peerId.getPriority();
        }
    }
    if (maxIndex == -1L) {
        return null;
    } else {
        return peerId;
    }
}

Example 68 with PeerId

use of io.dingodb.raft.entity.PeerId in project dingo by dingodb.

the class V1Decoder method decode.

public void decode(final LogEntry log, final byte[] content) {
    // 1-5 type
    final int iType = Bits.getInt(content, 1);
    log.setType(EnumOutter.EntryType.forNumber(iType));
    // 5-13 index
    // 13-21 term
    final long index = Bits.getLong(content, 5);
    final long term = Bits.getLong(content, 13);
    log.setId(new LogId(index, term));
    // 21-25 peer count
    int peerCount = Bits.getInt(content, 21);
    // peers
    int pos = 25;
    if (peerCount > 0) {
        List<PeerId> peers = new ArrayList<>(peerCount);
        while (peerCount-- > 0) {
            final short len = Bits.getShort(content, pos);
            final byte[] bs = new byte[len];
            System.arraycopy(content, pos + 2, bs, 0, len);
            // peer len (short in 2 bytes)
            // peer str
            pos += 2 + len;
            final PeerId peer = new PeerId();
            peer.parse(AsciiStringUtil.unsafeDecode(bs));
            peers.add(peer);
        }
        log.setPeers(peers);
    }
    // old peers
    int oldPeerCount = Bits.getInt(content, pos);
    pos += 4;
    if (oldPeerCount > 0) {
        List<PeerId> oldPeers = new ArrayList<>(oldPeerCount);
        while (oldPeerCount-- > 0) {
            final short len = Bits.getShort(content, pos);
            final byte[] bs = new byte[len];
            System.arraycopy(content, pos + 2, bs, 0, len);
            // peer len (short in 2 bytes)
            // peer str
            pos += 2 + len;
            final PeerId peer = new PeerId();
            peer.parse(AsciiStringUtil.unsafeDecode(bs));
            oldPeers.add(peer);
        }
        log.setOldPeers(oldPeers);
    }
    // data
    if (content.length > pos) {
        final int len = content.length - pos;
        ByteBuffer data = ByteBuffer.allocate(len);
        data.put(content, pos, len);
        data.flip();
        log.setData(data);
    }
}

Example 69 with PeerId

use of io.dingodb.raft.entity.PeerId in project dingo by dingodb.

the class V1Encoder method encode.

@Override
public byte[] encode(final LogEntry log) {
    if (log.hasLearners()) {
        throw new IllegalArgumentException("V1 log entry encoder doesn't support learners");
    }
    EntryType type = log.getType();
    LogId id = log.getId();
    List<PeerId> peers = log.getPeers();
    List<PeerId> oldPeers = log.getOldPeers();
    ByteBuffer data = log.getData();
    // magic number 1 byte
    int totalLen = 1;
    final int iType = type.getNumber();
    final long index = id.getIndex();
    final long term = id.getTerm();
    // type(4) + index(8) + term(8)
    totalLen += 4 + 8 + 8;
    int peerCount = 0;
    // peer count
    totalLen += 4;
    final List<String> peerStrs = new ArrayList<>(peerCount);
    if (peers != null) {
        peerCount = peers.size();
        for (final PeerId peer : peers) {
            final String peerStr = peer.toString();
            // peer len (short in 2 bytes)
            // peer str
            totalLen += 2 + peerStr.length();
            peerStrs.add(peerStr);
        }
    }
    int oldPeerCount = 0;
    // old peer count
    totalLen += 4;
    final List<String> oldPeerStrs = new ArrayList<>(oldPeerCount);
    if (oldPeers != null) {
        oldPeerCount = oldPeers.size();
        for (final PeerId peer : oldPeers) {
            final String peerStr = peer.toString();
            // peer len (short in 2 bytes)
            // peer str
            totalLen += 2 + peerStr.length();
            oldPeerStrs.add(peerStr);
        }
    }
    final int bodyLen = data != null ? data.remaining() : 0;
    totalLen += bodyLen;
    final byte[] content = new byte[totalLen];
    // {0} magic
    content[0] = LogEntryV1CodecFactory.MAGIC;
    // 1-5 type
    Bits.putInt(content, 1, iType);
    // 5-13 index
    Bits.putLong(content, 5, index);
    // 13-21 term
    Bits.putLong(content, 13, term);
    // peers
    // 21-25 peer count
    Bits.putInt(content, 21, peerCount);
    int pos = 25;
    for (final String peerStr : peerStrs) {
        final byte[] ps = AsciiStringUtil.unsafeEncode(peerStr);
        Bits.putShort(content, pos, (short) peerStr.length());
        System.arraycopy(ps, 0, content, pos + 2, ps.length);
        pos += 2 + ps.length;
    }
    // old peers
    // old peers count
    Bits.putInt(content, pos, oldPeerCount);
    pos += 4;
    for (final String peerStr : oldPeerStrs) {
        final byte[] ps = AsciiStringUtil.unsafeEncode(peerStr);
        Bits.putShort(content, pos, (short) peerStr.length());
        System.arraycopy(ps, 0, content, pos + 2, ps.length);
        pos += 2 + ps.length;
    }
    // data
    if (data != null) {
        System.arraycopy(data.array(), data.position(), content, pos, data.remaining());
    }
    return content;
}

Example 70 with PeerId

use of io.dingodb.raft.entity.PeerId in project dingo by dingodb.

the class StoreEngine method inConfiguration.

private boolean inConfiguration(final String curr, final String all) {
    final PeerId currPeer = new PeerId();
    if (!currPeer.parse(curr)) {
        return false;
    }
    final Configuration allConf = new Configuration();
    if (!allConf.parse(all)) {
        return false;
    }
    return allConf.contains(currPeer) || allConf.getLearners().contains(currPeer);
}