Examples with TopologyEvent org.onosproject.net.topology.TopologyEvent used on opensource projects

Example 1 with TopologyEvent

use of org.onosproject.net.topology.TopologyEvent in project onos by opennetworkinglab.

the class TopologyEventsListCommand method doExecute.

@Override
protected void doExecute() {
    TopologyMetricsService service = get(TopologyMetricsService.class);
    if (outputJson()) {
        print("%s", json(service.getEvents()));
    } else {
        for (Event event : service.getEvents()) {
            print(FORMAT_EVENT, event);
            if (event instanceof TopologyEvent) {
                TopologyEvent topologyEvent = (TopologyEvent) event;
                for (Event reason : topologyEvent.reasons()) {
                    print(FORMAT_REASON, reason);
                }
            }
            // Extra empty line for clarity
            print("");
        }
    }
}

Example 2 with TopologyEvent

use of org.onosproject.net.topology.TopologyEvent 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 3 with TopologyEvent

use of org.onosproject.net.topology.TopologyEvent 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 4 with TopologyEvent

use of org.onosproject.net.topology.TopologyEvent in project onos by opennetworkinglab.

the class VirtualNetworkTopologyProviderTest method testTopologyChanged.

/**
 * Test the topologyChanged() method.
 */
@Test
public void testTopologyChanged() {
    // Initial setup is two clusters of devices/links.
    assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount());
    // Adding this link will join the two clusters together.
    List<Event> reasons = new ArrayList<>();
    VirtualLink link = manager.createVirtualLink(virtualNetwork.id(), cp6, cp7);
    virtualNetworkManagerStore.updateLink(link, link.tunnelId(), Link.State.ACTIVE);
    VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp7, cp6);
    virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE);
    reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link));
    reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link2));
    TopologyEvent event = new TopologyEvent(TopologyEvent.Type.TOPOLOGY_CHANGED, topologyService.currentTopology(), reasons);
    topologyProvider.topologyListener.event(event);
    // Wait for the topology changed event, and that the topologyChanged method was called.
    try {
        if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) {
            fail("Failed to wait for topology changed event.");
        }
    } catch (InterruptedException e) {
        fail("Semaphore exception." + e.getMessage());
    }
    // Validate that the topology changed method received a single cluster of connect points.
    // This means that the two previous clusters have now joined into a single cluster.
    assertEquals("The cluster count did not match.", 1, this.clusters.size());
    assertEquals("The cluster count did not match.", 1, topologyService.currentTopology().clusterCount());
    // Now remove the virtual link to split it back into two clusters.
    manager.removeVirtualLink(virtualNetwork.id(), link.src(), link.dst());
    manager.removeVirtualLink(virtualNetwork.id(), link2.src(), link2.dst());
    assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount());
    reasons = new ArrayList<>();
    reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link));
    reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2));
    event = new TopologyEvent(TopologyEvent.Type.TOPOLOGY_CHANGED, topologyService.currentTopology(), reasons);
    topologyProvider.topologyListener.event(event);
    // Wait for the topology changed event, and that the topologyChanged method was called.
    try {
        if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) {
            fail("Failed to wait for topology changed event.");
        }
    } catch (InterruptedException e) {
        fail("Semaphore exception." + e.getMessage());
    }
    // Validate that the topology changed method received two clusters of connect points.
    // This means that the single previous clusters has now split into two clusters.
    assertEquals("The cluster count did not match.", 2, this.clusters.size());
}

Example 5 with TopologyEvent

use of org.onosproject.net.topology.TopologyEvent in project onos by opennetworkinglab.

the class ObjectiveTrackerTest method testEventLinkDownMatch.

/**
 * Tests an event for a link down where the link matches existing intents.
 *
 * @throws InterruptedException if the latch wait fails.
 */
@Test
public void testEventLinkDownMatch() throws Exception {
    final Link link = link("src", 1, "dst", 2);
    final LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link);
    reasons.add(linkEvent);
    final TopologyEvent event = new TopologyEvent(TopologyEvent.Type.TOPOLOGY_CHANGED, topology, reasons);
    final Key key = Key.of(0x333L, APP_ID);
    Collection<NetworkResource> resources = ImmutableSet.of(link);
    tracker.addTrackedResources(key, resources);
    listener.event(event);
    assertThat(delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), is(true));
    assertThat(delegate.intentIdsFromEvent, hasSize(1));
    assertThat(delegate.compileAllFailedFromEvent, is(false));
    assertThat(delegate.intentIdsFromEvent.get(0).toString(), equalTo("0x333"));
}