Examples with Member io.scalecube.cluster.Member used on opensource projects

Example 6 with Member

use of io.scalecube.cluster.Member in project scalecube by scalecube.

the class FailureDetectorImpl method onPingReq.

/**
 * Listens to PING_REQ message and sends PING to requested cluster member.
 */
private void onPingReq(Message message) {
    LOGGER.trace("Received PingReq: {}", message);
    PingData data = message.data();
    Member target = data.getTo();
    Member originalIssuer = data.getFrom();
    String correlationId = message.correlationId();
    PingData pingReqData = new PingData(membership.member(), target, originalIssuer);
    Message pingMessage = Message.withData(pingReqData).qualifier(PING).correlationId(correlationId).build();
    LOGGER.trace("Send transit Ping to {}", target.address());
    transport.send(target.address(), pingMessage);
}

Example 7 with Member

use of io.scalecube.cluster.Member in project scalecube by scalecube.

the class FailureDetectorImpl method onTransitPingAck.

/**
 * Listens to ACK with message containing ORIGINAL_ISSUER then converts message to plain ACK and sends it to
 * ORIGINAL_ISSUER.
 */
private void onTransitPingAck(Message message) {
    LOGGER.trace("Received transit PingAck: {}", message);
    PingData data = message.data();
    Member target = data.getOriginalIssuer();
    String correlationId = message.correlationId();
    PingData originalAckData = new PingData(target, data.getTo());
    Message originalAckMessage = Message.withData(originalAckData).qualifier(PING_ACK).correlationId(correlationId).build();
    LOGGER.trace("Resend transit PingAck to {}", target.address());
    transport.send(target.address(), originalAckMessage);
}

Example 8 with Member

use of io.scalecube.cluster.Member in project scalecube by scalecube.

the class MembershipProtocolImpl method onUpdateMetadata.

private void onUpdateMetadata(Map<String, String> metadata) {
    // Update local member reference
    Member curMember = memberRef.get();
    String memberId = curMember.id();
    Member newMember = new Member(memberId, curMember.address(), metadata);
    memberRef.set(newMember);
    // Update membership table
    MembershipRecord curRecord = membershipTable.get(memberId);
    MembershipRecord newRecord = new MembershipRecord(newMember, ALIVE, curRecord.incarnation() + 1);
    membershipTable.put(memberId, newRecord);
    // Emit membership updated event
    subject.onNext(MembershipEvent.createUpdated(curMember, newMember));
    // Spread new membership record over the cluster
    spreadMembershipGossip(newRecord);
}

Example 9 with Member

use of io.scalecube.cluster.Member 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();
}

Example 10 with Member

use of io.scalecube.cluster.Member in project scalecube by scalecube.

the class FailureDetectorTest method listenNextEventFor.

private Future<List<FailureDetectorEvent>> listenNextEventFor(FailureDetectorImpl fd, List<Address> addresses) {
    addresses = new ArrayList<>(addresses);
    // exclude self
    addresses.remove(fd.getTransport().address());
    checkArgument(!addresses.isEmpty());
    List<CompletableFuture<FailureDetectorEvent>> resultFuture = new ArrayList<>();
    for (final Address member : addresses) {
        final CompletableFuture<FailureDetectorEvent> future = new CompletableFuture<>();
        fd.listen().filter(event -> event.member().address() == member).subscribe(future::complete);
        resultFuture.add(future);
    }
    return allOf(resultFuture);
}