Examples with Status io.dingodb.raft.Status used on opensource projects

Example 1 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class IteratorImpl method runTheRestClosureWithError.

protected void runTheRestClosureWithError() {
    for (long i = Math.max(this.currentIndex, this.firstClosureIndex); i <= this.committedIndex; i++) {
        final Closure done = this.closures.get((int) (i - this.firstClosureIndex));
        if (done != null) {
            Requires.requireNonNull(this.error, "error");
            Requires.requireNonNull(this.error.getStatus(), "error.status");
            final Status status = this.error.getStatus();
            Utils.runClosureInThread(done, status);
        }
    }
}

Example 2 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class NodeImpl method checkDeadNodes.

private boolean checkDeadNodes(final Configuration conf, final long monotonicNowMs, final boolean stepDownOnCheckFail) {
    // Check learner replicators at first.
    for (final PeerId peer : conf.getLearners()) {
        checkReplicator(peer);
    }
    // Ensure quorum nodes alive.
    final List<PeerId> peers = conf.listPeers();
    final Configuration deadNodes = new Configuration();
    if (checkDeadNodes0(peers, monotonicNowMs, true, deadNodes)) {
        return true;
    }
    if (stepDownOnCheckFail) {
        LOG.warn("Node {} steps down when alive nodes don't satisfy quorum, term={}, deadNodes={}, conf={}.", getNodeId(), this.currTerm, deadNodes, conf);
        final Status status = new Status();
        status.setError(RaftError.ERAFTTIMEDOUT, "Majority of the group dies: %d/%d", deadNodes.size(), peers.size());
        stepDown(this.currTerm, false, status);
    }
    return false;
}

Example 3 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class NodeImpl method checkStepDown.

// in writeLock
private void checkStepDown(final long requestTerm, final PeerId serverId) {
    final Status status = new Status();
    if (requestTerm > this.currTerm) {
        status.setError(RaftError.ENEWLEADER, "Raft node receives message from new leader with higher term.");
        stepDown(requestTerm, false, status);
    } else if (this.state != State.STATE_FOLLOWER) {
        status.setError(RaftError.ENEWLEADER, "Candidate receives message from new leader with the same term.");
        stepDown(requestTerm, false, status);
    } else if (this.leaderId.isEmpty()) {
        status.setError(RaftError.ENEWLEADER, "Follower receives message from new leader with the same term.");
        stepDown(requestTerm, false, status);
    }
    // save current leader
    if (this.leaderId == null || this.leaderId.isEmpty()) {
        resetLeaderId(serverId, status);
    }
}

Example 4 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class NodeImpl method doSnapshot.

private void doSnapshot(final Closure done) {
    if (this.snapshotExecutor != null) {
        this.snapshotExecutor.doSnapshot(done);
    } else {
        if (done != null) {
            final Status status = new Status(RaftError.EINVAL, "Snapshot is not supported");
            Utils.runClosureInThread(done, status);
        }
    }
}

Example 5 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class NodeImpl method readFollower.

private void readFollower(final RpcRequests.ReadIndexRequest request, final RpcResponseClosure<RpcRequests.ReadIndexResponse> closure) {
    if (this.leaderId == null || this.leaderId.isEmpty()) {
        closure.run(new Status(RaftError.EPERM, "No leader at term %d.", this.currTerm));
        return;
    }
    // send request to leader.
    final RpcRequests.ReadIndexRequest newRequest = // 
    RpcRequests.ReadIndexRequest.newBuilder().mergeFrom(// 
    request).setPeerId(// 
    this.leaderId.toString()).build();
    this.rpcService.readIndex(this.leaderId.getEndpoint(), newRequest, -1, closure);
}