Java ObjectiveEvent類代碼示例

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public void notify(ObjectiveEvent event) {
    log.debug("Received notification of obj event {}", event);
    Set<PendingNext> pending = pendingForwards.remove(event.subject());

    if (pending == null) {
        log.debug("Nothing pending for this obj event");
        return;
    }

    log.debug("Processing pending forwarding objectives {}", pending.size());

    pending.forEach(p -> getDevicePipeliner(p.deviceId())
            .forward(p.forwardingObjective()));

}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public void notify(ObjectiveEvent event) {
    if (event.type() == Type.ADD) {
        log.debug("Received notification of obj event {}", event);
        Set<PendingNext> pending;
        synchronized (pendingForwards) {
            // needs to be synchronized for queueObjective lookup
            pending = pendingForwards.remove(event.subject());
        }

        if (pending == null) {
            log.debug("Nothing pending for this obj event {}", event);
            return;
        }

        log.debug("Processing {} pending forwarding objectives for nextId {}",
                 pending.size(), event.subject());
        pending.forEach(p -> getDevicePipeliner(p.deviceId())
                        .forward(p.forwardingObjective()));
    }
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Activate
public void activate() {
    tpool = Executors.newFixedThreadPool(4, groupedThreads("onos/flobj-notifier", "%d", log));
    eventQ = new LinkedBlockingQueue<ObjectiveEvent>();
    tpool.execute(new FlowObjectiveNotifier());
    nextGroups = storageService.<Integer, byte[]>consistentMapBuilder()
            .withName("flowobjective-groups")
            .withSerializer(Serializer.using(
                    new KryoNamespace.Builder()
                            .register(byte[].class)
                            .register(Versioned.class)
                            .build("DistributedFlowObjectiveStore")))
            .build();
    nextGroups.addListener(mapListener);
    nextIds = storageService.getAtomicCounter("next-objective-counter");
    log.info("Started");
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Activate
public void activate() {
    tpool = Executors.newFixedThreadPool(4, groupedThreads("onos/flobj-notifier", "%d", log));
    eventQ = new LinkedBlockingQueue<ObjectiveEvent>();
    tpool.execute(new FlowObjectiveNotifier());
    nextGroups = storageService.<Integer, byte[]>consistentMapBuilder()
            .withName("onos-flowobjective-groups")
            .withSerializer(Serializer.using(
                    new KryoNamespace.Builder()
                            .register(byte[].class)
                            .register(Versioned.class)
                            .build("DistributedFlowObjectiveStore")))
            .build();
    nextGroups.addListener(mapListener);
    nextIds = storageService.getAtomicIdGenerator("next-objective-id-generator");
    log.info("Started");
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public void notify(ObjectiveEvent event) {
    if (event.type() == ObjectiveEvent.Type.ADD) {
        log.debug("Received notification of obj event {}", event);
        Set<PendingFlowObjective> pending;

        // first send all pending flows
        synchronized (pendingForwards) {
            // needs to be synchronized for queueObjective lookup
            pending = pendingForwards.remove(event.subject());
        }
        if (pending == null) {
            log.debug("No forwarding objectives pending for this "
                              + "obj event {}", event);
        } else {
            log.debug("Processing {} pending forwarding objectives for nextId {}",
                      pending.size(), event.subject());
            pending.forEach(p -> getDevicePipeliner(p.deviceId())
                    .forward((ForwardingObjective) p.flowObjective()));
        }

        // now check for pending next-objectives
        synchronized (pendingNexts) {
            // needs to be synchronized for queueObjective lookup
            pending = pendingNexts.remove(event.subject());
        }
        if (pending == null) {
            log.debug("No next objectives pending for this "
                              + "obj event {}", event);
        } else {
            log.debug("Processing {} pending next objectives for nextId {}",
                      pending.size(), event.subject());
            pending.forEach(p -> getDevicePipeliner(p.deviceId())
                    .next((NextObjective) p.flowObjective()));
        }
    }
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public void putNextGroup(NetworkId networkId, Integer nextId, NextGroup group) {
    ConcurrentMap<Integer, byte[]> nextGroups = getNextGroups(networkId);
    nextGroups.put(nextId, group.data());
    updateNextGroupsMap(networkId, nextGroups);

    eventQ.add(new VirtualObjectiveEvent(networkId, ObjectiveEvent.Type.ADD, nextId));
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public NextGroup removeNextGroup(NetworkId networkId, Integer nextId) {
    ConcurrentMap<Integer, byte[]> nextGroups = getNextGroups(networkId);
    byte[] nextGroup = nextGroups.remove(nextId);
    updateNextGroupsMap(networkId, nextGroups);

    eventQ.add(new VirtualObjectiveEvent(networkId, ObjectiveEvent.Type.REMOVE, nextId));

    return new DefaultNextGroup(nextGroup);
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
@Override
public void notify(ObjectiveEvent event) {
    if (event.type() == Type.ADD) {
        log.debug("Received notification of obj event {}", event);
        Set<PendingFlowObjective> pending;

        // first send all pending flows
        synchronized (pendingForwards) {
            // needs to be synchronized for queueObjective lookup
            pending = pendingForwards.remove(event.subject());
        }
        if (pending == null) {
            log.debug("No forwarding objectives pending for this "
                    + "obj event {}", event);
        } else {
            log.debug("Processing {} pending forwarding objectives for nextId {}",
                      pending.size(), event.subject());
            pending.forEach(p -> getDevicePipeliner(p.deviceId())
                            .forward((ForwardingObjective) p.flowObjective()));
        }

        // now check for pending next-objectives
        List<PendingFlowObjective> pendNexts;
        synchronized (pendingNexts) {
            // needs to be synchronized for queueObjective lookup
            pendNexts = pendingNexts.remove(event.subject());
        }
        if (pendNexts == null) {
            log.debug("No next objectives pending for this "
                    + "obj event {}", event);
        } else {
            log.debug("Processing {} pending next objectives for nextId {}",
                      pendNexts.size(), event.subject());
            pendNexts.forEach(p -> getDevicePipeliner(p.deviceId())
                            .next((NextObjective) p.flowObjective()));
        }
    }
}
 

import org.onosproject.net.flowobjective.ObjectiveEvent; //導入依賴的package包/類
/**
 * Tests adding a pending forwarding objective.
 *
 * @throws TestUtilsException if lookup of a field fails
 */
@Test
public void pendingForwardingObjective() throws TestUtilsException {
    TrafficSelector selector = DefaultTrafficSelector.emptySelector();
    TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();

    ForwardingObjective forward4 =
            DefaultForwardingObjective.builder()
                    .fromApp(NetTestTools.APP_ID)
                    .withFlag(ForwardingObjective.Flag.SPECIFIC)
                    .withSelector(selector)
                    .withTreatment(treatment)
                    .makePermanent()
                    .nextStep(4)
                    .add();
    ForwardingObjective forward5 =
            DefaultForwardingObjective.builder()
                    .fromApp(NetTestTools.APP_ID)
                    .withFlag(ForwardingObjective.Flag.SPECIFIC)
                    .withSelector(selector)
                    .withTreatment(treatment)
                    .makePermanent()
                    .nextStep(5)
                    .add();

    //  multiple pending forwards should be combined
    manager.forward(id1, forward4);
    manager.forward(id1, forward4);
    manager.forward(id1, forward5);


    //  1 should be complete, 1 pending
    TestTools.assertAfter(RETRY_MS, () ->
            assertThat(forwardingObjectives, hasSize(1)));

    assertThat(forwardingObjectives, hasItem("of:d1"));
    assertThat(filteringObjectives, hasSize(0));
    assertThat(nextObjectives, hasSize(0));

    // Now send events to trigger the objective still in the queue
    ObjectiveEvent event1 = new ObjectiveEvent(ObjectiveEvent.Type.ADD, 4);
    FlowObjectiveStoreDelegate delegate = TestUtils.getField(manager, "delegate");
    delegate.notify(event1);

    // all should be processed now
    TestTools.assertAfter(RETRY_MS, () ->
            assertThat(forwardingObjectives, hasSize(2)));
    assertThat(forwardingObjectives, hasItem("of:d1"));
    assertThat(filteringObjectives, hasSize(0));
    assertThat(nextObjectives, hasSize(0));
}