Examples with ALIVE io.scalecube.cluster.membership.MemberStatus.ALIVE used on opensource projects

Example 1 with ALIVE

use of io.scalecube.cluster.membership.MemberStatus.ALIVE in project scalecube by scalecube.

the class MembershipProtocolImpl method start.

/**
 * Starts running cluster membership protocol. After started it begins to receive and send cluster membership messages
 */
public CompletableFuture<Void> start() {
    // Init membership table with local member record
    Member member = memberRef.get();
    MembershipRecord localMemberRecord = new MembershipRecord(member, ALIVE, 0);
    membershipTable.put(member.id(), localMemberRecord);
    // Listen to incoming SYNC requests from other members
    onSyncRequestSubscriber = Subscribers.create(this::onSync, this::onError);
    transport.listen().observeOn(scheduler).filter(msg -> SYNC.equals(msg.qualifier())).filter(this::checkSyncGroup).subscribe(onSyncRequestSubscriber);
    // Listen to incoming SYNC ACK responses from other members
    onSyncAckResponseSubscriber = Subscribers.create(this::onSyncAck, this::onError);
    transport.listen().observeOn(scheduler).filter(msg -> SYNC_ACK.equals(msg.qualifier())).filter(// filter out initial sync
    msg -> msg.correlationId() == null).filter(this::checkSyncGroup).subscribe(onSyncAckResponseSubscriber);
    // Listen to events from failure detector
    onFdEventSubscriber = Subscribers.create(this::onFailureDetectorEvent, this::onError);
    failureDetector.listen().observeOn(scheduler).subscribe(onFdEventSubscriber);
    // Listen to membership gossips
    onGossipRequestSubscriber = Subscribers.create(this::onMembershipGossip, this::onError);
    gossipProtocol.listen().observeOn(scheduler).filter(msg -> MEMBERSHIP_GOSSIP.equals(msg.qualifier())).subscribe(onGossipRequestSubscriber);
    // Make initial sync with all seed members
    return doInitialSync();
}