Examples with NextObjective org.onosproject.net.flowobjective.NextObjective used on opensource projects

Example 16 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method removeBucket.

/**
 * Removes top-level buckets from a group that represents the given next objective.
 *
 * @param chainsToRemove a list of group bucket chains to remove
 * @param nextObjective the next objective that contains information for the
 *                  buckets to be removed from the group
 */
protected void removeBucket(List<Deque<GroupKey>> chainsToRemove, NextObjective nextObjective) {
    List<GroupBucket> bucketsToRemove = Lists.newArrayList();
    // first group key is the one we want to modify
    GroupKey modGroupKey = chainsToRemove.get(0).peekFirst();
    Group modGroup = groupService.getGroup(deviceId, modGroupKey);
    if (modGroup == null) {
        log.warn("removeBucket(): Attempt to modify non-existent group {} for device {}", modGroupKey, deviceId);
        return;
    }
    for (Deque<GroupKey> foundChain : chainsToRemove) {
        // second group key is the one we wish to remove the reference to
        if (foundChain.size() < 2) {
            // additional check to make sure second group key exists in
            // the chain.
            log.warn("Can't find second group key from chain {}", foundChain);
            continue;
        }
        GroupKey pointedGroupKey = foundChain.stream().collect(Collectors.toList()).get(1);
        Group pointedGroup = groupService.getGroup(deviceId, pointedGroupKey);
        if (pointedGroup == null) {
            continue;
        }
        GroupBucket bucket;
        if (nextObjective.type() == NextObjective.Type.HASHED) {
            bucket = DefaultGroupBucket.createSelectGroupBucket(DefaultTrafficTreatment.builder().group(pointedGroup.id()).build());
        } else {
            bucket = DefaultGroupBucket.createAllGroupBucket(DefaultTrafficTreatment.builder().group(pointedGroup.id()).build());
        }
        bucketsToRemove.add(bucket);
    }
    GroupBuckets removeBuckets = new GroupBuckets(bucketsToRemove);
    // for debug log
    List<String> pointedGroupIds;
    pointedGroupIds = bucketsToRemove.stream().map(GroupBucket::treatment).map(TrafficTreatment::allInstructions).flatMap(List::stream).filter(inst -> inst instanceof Instructions.GroupInstruction).map(inst -> (Instructions.GroupInstruction) inst).map(Instructions.GroupInstruction::groupId).map(GroupId::id).map(Integer::toHexString).map(id -> HEX_PREFIX + id).collect(Collectors.toList());
    log.debug("Removing buckets from group id 0x{} pointing to group id(s) {} " + "for next id {} in device {}", Integer.toHexString(modGroup.id().id()), pointedGroupIds, nextObjective.id(), deviceId);
    addPendingUpdateNextObjective(modGroupKey, nextObjective);
    groupService.removeBucketsFromGroup(deviceId, modGroupKey, removeBuckets, modGroupKey, nextObjective.appId());
    // potentially stale copy of allActiveKeys
    synchronized (flowObjectiveStore) {
        // get a fresh copy of what the store holds
        NextGroup next = flowObjectiveStore.getNextGroup(nextObjective.id());
        List<Deque<GroupKey>> allActiveKeys = appKryo.deserialize(next.data());
        allActiveKeys = Lists.newArrayList(allActiveKeys);
        // Note that since we got a new object, and ArrayDeque does not implement
        // Object.equals(), we have to check the deque elems one by one
        allActiveKeys.removeIf(active -> chainsToRemove.stream().anyMatch(remove -> Arrays.equals(remove.toArray(new GroupKey[0]), active.toArray(new GroupKey[0]))));
        // top level group which still exists.
        if (allActiveKeys.isEmpty()) {
            ArrayDeque<GroupKey> top = new ArrayDeque<>();
            top.add(modGroupKey);
            allActiveKeys.add(top);
        }
        flowObjectiveStore.putNextGroup(nextObjective.id(), new OfdpaNextGroup(allActiveKeys, nextObjective));
    }
}

Example 17 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project onos by opennetworkinglab.

the class LinkCollectionIntentFlowObjectiveCompiler method createBroadcastObjective.

private List<Objective> createBroadcastObjective(ForwardingInstructions instructions, Set<TrafficTreatment> treatmentsWithDifferentPort, LinkCollectionIntent intent) {
    List<Objective> objectives = Lists.newArrayList();
    ForwardingObjective forwardingObjective;
    NextObjective nextObjective;
    Integer nextId = flowObjectiveService.allocateNextId();
    forwardingObjective = buildForwardingObjective(instructions.selector(), nextId, intent.priority());
    DefaultNextObjective.Builder nxBuilder = DefaultNextObjective.builder();
    nxBuilder.withId(nextId).withMeta(instructions.selector()).withType(NextObjective.Type.BROADCAST).fromApp(appId).withPriority(intent.priority()).makePermanent();
    treatmentsWithDifferentPort.forEach(nxBuilder::addTreatment);
    nextObjective = nxBuilder.add();
    objectives.add(forwardingObjective);
    objectives.add(nextObjective);
    return objectives;
}

Example 18 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project onos by opennetworkinglab.

the class InOrderFlowObjectiveManager method execute.

/**
 * Submit the flow objective. Starting from this point on, the execution order is not guaranteed.
 * Therefore we must be certain that this method is called in-order.
 *
 * @param deviceId Device ID
 * @param obj Flow objective
 */
private void execute(DeviceId deviceId, Objective obj) {
    LogLevel logLevel = (obj.op() == Objective.Operation.VERIFY) ? LogLevel.TRACE : LogLevel.DEBUG;
    Tools.log(log, logLevel, "Submit objective installer, deviceId {}, obj {}", deviceId, obj);
    int priority = obj.priority();
    if (obj instanceof FilteringObjective) {
        FilteringObjQueueKey k = new FilteringObjQueueKey(deviceId, priority, ((FilteringObjective) obj).key());
        filtObjQueueHead.put(k, obj);
        super.filter(deviceId, (FilteringObjective) obj);
    } else if (obj instanceof ForwardingObjective) {
        ForwardingObjQueueKey k = new ForwardingObjQueueKey(deviceId, priority, ((ForwardingObjective) obj).selector());
        fwdObjQueueHead.put(k, obj);
        super.forward(deviceId, (ForwardingObjective) obj);
    } else if (obj instanceof NextObjective) {
        NextObjQueueKey k = new NextObjQueueKey(deviceId, obj.id());
        nextObjQueueHead.put(k, obj);
        super.next(deviceId, (NextObjective) obj);
    } else {
        log.error("Unknown flow objective instance: {}", obj.getClass().getName());
    }
}

Example 19 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project onos by opennetworkinglab.

the class InOrderFlowObjectiveManager method enqueue.

/**
 * Enqueue flow objective. Execute the flow objective if there is no pending objective ahead.
 *
 * @param deviceId Device ID
 * @param obj Flow objective
 */
private synchronized void enqueue(DeviceId deviceId, Objective obj) {
    int queueSize;
    int priority = obj.priority();
    LogLevel logLevel = (obj.op() == Objective.Operation.VERIFY) ? LogLevel.TRACE : LogLevel.DEBUG;
    Tools.log(log, logLevel, "Enqueue {}", obj);
    if (obj instanceof FilteringObjective) {
        FilteringObjQueueKey k = new FilteringObjQueueKey(deviceId, priority, ((FilteringObjective) obj).key());
        filtObjQueue.put(k, obj);
        queueSize = filtObjQueue.get(k).size();
    } else if (obj instanceof ForwardingObjective) {
        ForwardingObjQueueKey k = new ForwardingObjQueueKey(deviceId, priority, ((ForwardingObjective) obj).selector());
        fwdObjQueue.put(k, obj);
        queueSize = fwdObjQueue.get(k).size();
    } else if (obj instanceof NextObjective) {
        NextObjQueueKey k = new NextObjQueueKey(deviceId, obj.id());
        nextObjQueue.put(k, obj);
        queueSize = nextObjQueue.get(k).size();
    } else {
        log.error("Unknown flow objective instance: {}", obj.getClass().getName());
        return;
    }
    log.trace("{} queue size {}", obj.getClass().getSimpleName(), queueSize);
    // Execute immediately if there is no pending obj ahead
    if (queueSize == 1) {
        execute(deviceId, obj);
    }
}

Example 20 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project onos by opennetworkinglab.

the class FibInstallerTest method testRouteUpdate.

/**
 * Tests updating a route.
 *
 * We verify that the flowObjectiveService records the correct state and that the
 * correct flow is submitted to the flowObjectiveService.
 */
@Test
public void testRouteUpdate() {
    // Firstly add a route
    testRouteAdd();
    reset(flowObjectiveService);
    ResolvedRoute oldRoute = createRoute(PREFIX1, NEXT_HOP1, MAC1);
    ResolvedRoute route = createRoute(PREFIX1, NEXT_HOP2, MAC2);
    // Create the next objective
    NextObjective nextObjective = createNextObjective(MAC2, MAC2, SW1_ETH2.port(), VLAN1, true);
    flowObjectiveService.next(DEVICE_ID, nextObjective);
    // Create the flow objective
    ForwardingObjective fwd = createForwardingObjective(PREFIX1, true);
    flowObjectiveService.forward(DEVICE_ID, fwd);
    EasyMock.expectLastCall().once();
    setUpFlowObjectiveService();
    // Send in the update event
    routeListener.event(new RouteEvent(RouteEvent.Type.ROUTE_UPDATED, route, oldRoute));
    verify(flowObjectiveService);
}