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

Example 6 with PeerId

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

the class CliServiceImpl method transferLeader.

@Override
public Status transferLeader(final String groupId, final Configuration conf, final PeerId peer) {
    Requires.requireTrue(!StringUtils.isBlank(groupId), "Blank group id");
    Requires.requireNonNull(conf, "Null configuration");
    Requires.requireNonNull(peer, "Null peer");
    final PeerId leaderId = new PeerId();
    final Status st = checkLeaderAndConnect(groupId, conf, leaderId);
    if (!st.isOk()) {
        return st;
    }
    final CliRequests.TransferLeaderRequest.Builder rb = // 
    CliRequests.TransferLeaderRequest.newBuilder().setGroupId(// 
    groupId).setLeaderId(leaderId.toString());
    if (!peer.isEmpty()) {
        rb.setPeerId(peer.toString());
    }
    try {
        final Message result = this.cliClientService.transferLeader(leaderId.getEndpoint(), rb.build(), null).get();
        return statusFromResponse(result);
    } catch (final Exception e) {
        return new Status(-1, e.getMessage());
    }
}

Example 7 with PeerId

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

the class RouteTable method selectLeader.

/**
 * Get the cached leader of the group, return it when found, null otherwise.
 * Make sure calls {@link #refreshLeader(CliClientService, String, int)} already
 * before invoke this method.
 *
 * @param groupId raft group id
 * @return peer of leader
 */
public PeerId selectLeader(final String groupId) {
    Requires.requireTrue(!StringUtils.isBlank(groupId), "Blank group id");
    final GroupConf gc = this.groupConfTable.get(groupId);
    if (gc == null) {
        return null;
    }
    final StampedLock stampedLock = gc.stampedLock;
    long stamp = stampedLock.tryOptimisticRead();
    PeerId leader = gc.leader;
    if (!stampedLock.validate(stamp)) {
        stamp = stampedLock.readLock();
        try {
            leader = gc.leader;
        } finally {
            stampedLock.unlockRead(stamp);
        }
    }
    return leader;
}

Example 8 with PeerId

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

the class CliServiceImpl method resetPeer.

@Override
public Status resetPeer(final String groupId, final PeerId peerId, final Configuration newPeers) {
    Requires.requireTrue(!StringUtils.isBlank(groupId), "Blank group id");
    Requires.requireNonNull(peerId, "Null peerId");
    Requires.requireNonNull(newPeers, "Null new peers");
    if (!this.cliClientService.connect(peerId.getEndpoint())) {
        return new Status(-1, "Fail to init channel to %s", peerId);
    }
    final CliRequests.ResetPeerRequest.Builder rb = // 
    CliRequests.ResetPeerRequest.newBuilder().setGroupId(// 
    groupId).setPeerId(peerId.toString());
    for (final PeerId peer : newPeers) {
        rb.addNewPeers(peer.toString());
    }
    try {
        final Message result = this.cliClientService.resetPeer(peerId.getEndpoint(), rb.build(), null).get();
        return statusFromResponse(result);
    } catch (final Exception e) {
        return new Status(-1, e.getMessage());
    }
}

Example 9 with PeerId

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

the class CliServiceImpl method recordConfigurationChange.

private void recordConfigurationChange(final String groupId, final List<String> oldPeersList, final List<String> newPeersList) {
    final Configuration oldConf = new Configuration();
    for (final String peerIdStr : oldPeersList) {
        final PeerId oldPeer = new PeerId();
        oldPeer.parse(peerIdStr);
        oldConf.addPeer(oldPeer);
    }
    final Configuration newConf = new Configuration();
    for (final String peerIdStr : newPeersList) {
        final PeerId newPeer = new PeerId();
        newPeer.parse(peerIdStr);
        newConf.addPeer(newPeer);
    }
    LOG.info("Configuration of replication group {} changed from {} to {}.", groupId, oldConf, newConf);
}

Example 10 with PeerId

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

the class CliServiceImpl method changePeers.

@Override
public Status changePeers(final String groupId, final Configuration conf, final Configuration newPeers) {
    Requires.requireTrue(!StringUtils.isBlank(groupId), "Blank group id");
    Requires.requireNonNull(conf, "Null configuration");
    Requires.requireNonNull(newPeers, "Null new peers");
    final PeerId leaderId = new PeerId();
    final Status st = checkLeaderAndConnect(groupId, conf, leaderId);
    if (!st.isOk()) {
        return st;
    }
    final CliRequests.ChangePeersRequest.Builder rb = // 
    CliRequests.ChangePeersRequest.newBuilder().setGroupId(// 
    groupId).setLeaderId(leaderId.toString());
    for (final PeerId peer : newPeers) {
        rb.addNewPeers(peer.toString());
    }
    try {
        final Message result = this.cliClientService.changePeers(leaderId.getEndpoint(), rb.build(), null).get();
        if (result instanceof CliRequests.ChangePeersResponse) {
            final CliRequests.ChangePeersResponse resp = (CliRequests.ChangePeersResponse) result;
            recordConfigurationChange(groupId, resp.getOldPeersList(), resp.getNewPeersList());
            return Status.OK();
        } else {
            return statusFromResponse(result);
        }
    } catch (final Exception e) {
        return new Status(-1, e.getMessage());
    }
}