Examples with CheckConsensusReached org.opendaylight.controller.cluster.raft.base.messages.CheckConsensusReached used on opensource projects

Example 1 with CheckConsensusReached

use of org.opendaylight.controller.cluster.raft.base.messages.CheckConsensusReached in project controller by opendaylight.

the class AbstractLeader method handleMessage.

@Override
public RaftActorBehavior handleMessage(final ActorRef sender, final Object message) {
    Preconditions.checkNotNull(sender, "sender should not be null");
    if (appendEntriesMessageSlicer.handleMessage(message)) {
        return this;
    }
    if (message instanceof RaftRPC) {
        RaftRPC rpc = (RaftRPC) message;
        // This applies to all RPC messages and responses
        if (rpc.getTerm() > context.getTermInformation().getCurrentTerm()) {
            log.info("{}: Term {} in \"{}\" message is greater than leader's term {} - switching to Follower", logName(), rpc.getTerm(), rpc, context.getTermInformation().getCurrentTerm());
            context.getTermInformation().updateAndPersist(rpc.getTerm(), null);
            // leadership, we should make every effort to get the requesting node elected.
            if (message instanceof RequestVote && context.getRaftActorLeadershipTransferCohort() != null) {
                log.debug("{}: Leadership transfer in progress - processing RequestVote", logName());
                super.handleMessage(sender, message);
            }
            return internalSwitchBehavior(RaftState.Follower);
        }
    }
    if (message instanceof SendHeartBeat) {
        beforeSendHeartbeat();
        sendHeartBeat();
        scheduleHeartBeat(context.getConfigParams().getHeartBeatInterval());
    } else if (message instanceof SendInstallSnapshot) {
        SendInstallSnapshot sendInstallSnapshot = (SendInstallSnapshot) message;
        setSnapshotHolder(new SnapshotHolder(sendInstallSnapshot.getSnapshot(), sendInstallSnapshot.getSnapshotBytes()));
        sendInstallSnapshot();
    } else if (message instanceof Replicate) {
        replicate((Replicate) message);
    } else if (message instanceof InstallSnapshotReply) {
        handleInstallSnapshotReply((InstallSnapshotReply) message);
    } else if (message instanceof CheckConsensusReached) {
        possiblyUpdateCommitIndex();
    } else {
        return super.handleMessage(sender, message);
    }
    return this;
}