Examples with MastershipEvent org.onosproject.mastership.MastershipEvent used on opensource projects

Example 1 with MastershipEvent

use of org.onosproject.mastership.MastershipEvent in project onos by opennetworkinglab.

the class EventsCommand method printEvent.

private void printEvent(Event<?, ?> event) {
    if (event instanceof DeviceEvent) {
        DeviceEvent deviceEvent = (DeviceEvent) event;
        if (event.type().toString().startsWith("PORT")) {
            // Port event
            print("%s %s\t%s/%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), deviceEvent.subject().id(), deviceEvent.port().number(), deviceEvent.port());
        } else {
            // Device event
            print("%s %s\t%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), deviceEvent.subject().id(), deviceEvent.subject());
        }
    } else if (event instanceof MastershipEvent) {
        print("%s %s\t%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), event.subject(), ((MastershipEvent) event).roleInfo());
    } else if (event instanceof LinkEvent) {
        LinkEvent linkEvent = (LinkEvent) event;
        Link link = linkEvent.subject();
        print("%s %s\t%s/%s-%s/%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), link.src().deviceId(), link.src().port(), link.dst().deviceId(), link.dst().port(), link);
    } else if (event instanceof HostEvent) {
        HostEvent hostEvent = (HostEvent) event;
        print("%s %s\t%s [%s->%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), hostEvent.subject().id(), hostEvent.prevSubject(), hostEvent.subject());
    } else if (event instanceof TopologyEvent) {
        TopologyEvent topoEvent = (TopologyEvent) event;
        List<Event> reasons = MoreObjects.firstNonNull(topoEvent.reasons(), ImmutableList.<Event>of());
        Topology topo = topoEvent.subject();
        String summary = String.format("(d=%d,l=%d,c=%d)", topo.deviceCount(), topo.linkCount(), topo.clusterCount());
        print("%s %s%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), summary, reasons.stream().map(e -> e.type()).collect(toList()));
    } else if (event instanceof ClusterEvent) {
        print("%s %s\t%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), ((ClusterEvent) event).subject().id(), event.subject());
    } else {
        // Unknown Event?
        print("%s %s\t%s [%s]", Tools.defaultOffsetDataTime(event.time()), event.type(), event.subject(), event);
    }
}

Example 2 with MastershipEvent

use of org.onosproject.mastership.MastershipEvent in project onos by opennetworkinglab.

the class EventsCommand method doExecute.

@Override
protected void doExecute() {
    EventHistoryService eventHistoryService = get(EventHistoryService.class);
    Stream<Event<?, ?>> events = eventHistoryService.history().stream();
    boolean dumpAll = all || !(mastership || device || link || topology || host || cluster || intent);
    if (!dumpAll) {
        Predicate<Event<?, ?>> filter = (defaultIs) -> false;
        if (mastership) {
            filter = filter.or(evt -> evt instanceof MastershipEvent);
        }
        if (device) {
            filter = filter.or(evt -> evt instanceof DeviceEvent);
        }
        if (link) {
            filter = filter.or(evt -> evt instanceof LinkEvent);
        }
        if (topology) {
            filter = filter.or(evt -> evt instanceof TopologyEvent);
        }
        if (host) {
            filter = filter.or(evt -> evt instanceof HostEvent);
        }
        if (cluster) {
            filter = filter.or(evt -> evt instanceof ClusterEvent);
        }
        if (intent) {
            filter = filter.or(evt -> evt instanceof IntentEvent);
        }
        events = events.filter(filter);
    }
    if (maxSize > 0) {
        events = events.limit(maxSize);
    }
    if (outputJson()) {
        ArrayNode jsonEvents = events.map(this::json).collect(toArrayNode());
        printJson(jsonEvents);
    } else {
        events.forEach(this::printEvent);
    }
}

Example 3 with MastershipEvent

use of org.onosproject.mastership.MastershipEvent in project onos by opennetworkinglab.

the class ConsistentVirtualDeviceMastershipStore method relinquishLocalRoleByNetwork.

private CompletableFuture<MastershipEvent> relinquishLocalRoleByNetwork(NetworkId networkId, DeviceId deviceId) {
    checkArgument(networkId != null, NETWORK_ID_NULL);
    checkArgument(deviceId != null, DEVICE_ID_NULL);
    String leadershipTopic = createDeviceMastershipTopic(networkId, deviceId);
    if (!leadershipService.getCandidates(leadershipTopic).contains(localNodeId)) {
        return CompletableFuture.completedFuture(null);
    }
    MastershipEvent.Type eventType = localNodeId.equals(leadershipService.getLeader(leadershipTopic)) ? MastershipEvent.Type.MASTER_CHANGED : MastershipEvent.Type.BACKUPS_CHANGED;
    leadershipService.withdraw(leadershipTopic);
    return CompletableFuture.completedFuture(new MastershipEvent(eventType, deviceId, getMastership(networkId, deviceId)));
}

Example 4 with MastershipEvent

use of org.onosproject.mastership.MastershipEvent in project onos by opennetworkinglab.

the class SimpleVirtualMastershipStore method requestRole.

@Override
public CompletableFuture<MastershipRole> requestRole(NetworkId networkId, DeviceId deviceId) {
    // query+possible reelection
    NodeId node = clusterService.getLocalNode().id();
    MastershipRole role = getRole(networkId, node, deviceId);
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    switch(role) {
        case MASTER:
            return CompletableFuture.completedFuture(MastershipRole.MASTER);
        case STANDBY:
            if (getMaster(networkId, deviceId) == null) {
                // no master => become master
                masterMap.put(deviceId, node);
                incrementTerm(networkId, deviceId);
                // remove from backup list
                removeFromBackups(networkId, deviceId, node);
                notifyDelegate(networkId, new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
                return CompletableFuture.completedFuture(MastershipRole.MASTER);
            }
            return CompletableFuture.completedFuture(MastershipRole.STANDBY);
        case NONE:
            if (getMaster(networkId, deviceId) == null) {
                // no master => become master
                masterMap.put(deviceId, node);
                incrementTerm(networkId, deviceId);
                notifyDelegate(networkId, new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
                return CompletableFuture.completedFuture(MastershipRole.MASTER);
            }
            // add to backup list
            if (addToBackup(networkId, deviceId, node)) {
                notifyDelegate(networkId, new MastershipEvent(BACKUPS_CHANGED, deviceId, getMastership(networkId, deviceId)));
            }
            return CompletableFuture.completedFuture(MastershipRole.STANDBY);
        default:
            log.warn("unknown Mastership Role {}", role);
    }
    return CompletableFuture.completedFuture(role);
}

Example 5 with MastershipEvent

use of org.onosproject.mastership.MastershipEvent in project onos by opennetworkinglab.

the class SimpleVirtualMastershipStore method relinquishRole.

@Override
public synchronized CompletableFuture<MastershipEvent> relinquishRole(NetworkId networkId, NodeId nodeId, DeviceId deviceId) {
    Map<DeviceId, NodeId> masterMap = getMasterMap(networkId);
    MastershipRole role = getRole(networkId, nodeId, deviceId);
    switch(role) {
        case MASTER:
            NodeId backup = reelect(networkId, deviceId, nodeId);
            masterMap.put(deviceId, backup);
            incrementTerm(networkId, deviceId);
            return CompletableFuture.completedFuture(new MastershipEvent(MASTER_CHANGED, deviceId, getMastership(networkId, deviceId)));
        case STANDBY:
            if (removeFromBackups(networkId, deviceId, nodeId)) {
                return CompletableFuture.completedFuture(new MastershipEvent(BACKUPS_CHANGED, deviceId, getMastership(networkId, deviceId)));
            }
            break;
        case NONE:
            break;
        default:
            log.warn("unknown Mastership Role {}", role);
    }
    return CompletableFuture.completedFuture(null);
}