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

Example 26 with Objective

use of org.onosproject.net.flowobjective.Objective in project trellis-control by opennetworkinglab.

the class PolicyManager method removeTrafficMatchInDevice.

// Traffic match removal in a device
private void removeTrafficMatchInDevice(DeviceId deviceId, TrafficMatch trafficMatch) {
    if (log.isDebugEnabled()) {
        log.debug("Removing traffic match {} associated to policy {}", trafficMatch.trafficMatchId(), trafficMatch.policyId());
    }
    TrafficMatchKey trafficMatchKey = new TrafficMatchKey(deviceId, trafficMatch.trafficMatchId());
    Operation operation = Versioned.valueOrNull(operations.get(trafficMatchKey.toString()));
    if (operation == null || operation.objectiveOperation() == null) {
        log.warn("There are no ops associated with {}", trafficMatchKey);
        operation = Operation.builder().isDone(true).isInstall(false).trafficMatch(trafficMatch).build();
        operations.put(trafficMatchKey.toString(), operation);
    } else if (!operation.isInstall()) {
        if (log.isDebugEnabled()) {
            log.debug("There is already an uninstall operation for traffic match {} associated to policy {}" + " for device {}", trafficMatch.trafficMatchId(), trafficMatch.policyId(), deviceId);
        }
    } else {
        ForwardingObjective oldObj = (ForwardingObjective) operation.objectiveOperation();
        operation = Operation.builder(operation).isInstall(false).build();
        operations.put(trafficMatchKey.toString(), operation);
        ForwardingObjective.Builder builder = DefaultForwardingObjective.builder(oldObj);
        CompletableFuture<Objective> future = new CompletableFuture<>();
        if (log.isDebugEnabled()) {
            log.debug("Removing forwarding objectives for dev: {}", deviceId);
        }
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> {
            if (log.isDebugEnabled()) {
                log.debug("Forwarding objective for policy {} removed", trafficMatch.policyId());
            }
            future.complete(objective);
        }, (objective, error) -> {
            log.warn("Failed to remove forwarding objective for policy {}: {}", trafficMatch.policyId(), error);
            future.complete(null);
        });
        ForwardingObjective serializableObjective = builder.remove();
        flowObjectiveService.forward(deviceId, builder.remove(context));
        future.whenComplete((objective, ex) -> {
            if (ex != null) {
                log.error("Exception removing forwarding objective", ex);
            } else if (objective != null) {
                operations.computeIfPresent(trafficMatchKey.toString(), (k, v) -> {
                    if (!v.isDone() && !v.isInstall()) {
                        v.isDone(true);
                        v.objectiveOperation(serializableObjective);
                    }
                    return v;
                });
            }
        });
    }
}

Example 27 with Objective

use of org.onosproject.net.flowobjective.Objective in project trellis-control by opennetworkinglab.

the class PolicyManager method installTrafficMatchToDevice.

// Orchestrate traffic match installation according to the type
private void installTrafficMatchToDevice(DeviceId deviceId, TrafficMatch trafficMatch) {
    if (log.isDebugEnabled()) {
        log.debug("Installing traffic match {} associated to policy {}", trafficMatch.trafficMatchId(), trafficMatch.policyId());
    }
    TrafficMatchKey trafficMatchKey = new TrafficMatchKey(deviceId, trafficMatch.trafficMatchId());
    Operation oldTrafficOperation = Versioned.valueOrNull(operations.get(trafficMatchKey.toString()));
    if (oldTrafficOperation != null && oldTrafficOperation.isInstall()) {
        if (trafficMatch.equals(oldTrafficOperation.trafficMatch().orElse(null))) {
            if (log.isDebugEnabled()) {
                log.debug("There is already an install operation for traffic match {} associated to policy {} " + "for device {}", trafficMatch.trafficMatchId(), trafficMatch.policyId(), deviceId);
            }
            // If we add or submit a trafficMatch multiple times
            // We skip the installation and update the state directly
            updateTrafficMatch(trafficMatch, true);
            return;
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Starts updating traffic match {} associated to policy {} " + "for device {}", trafficMatch.trafficMatchId(), trafficMatch.policyId(), deviceId);
            }
        }
    }
    // For the DROP policy we need to set an ACL drop in the fwd objective. The other
    // policies require to retrieve the next Id and sets the next step.
    PolicyKey policyKey = new PolicyKey(deviceId, trafficMatch.policyId());
    Operation policyOperation = Versioned.valueOrNull(operations.get(policyKey.toString()));
    if (policyOperation == null || !policyOperation.isDone() || !policyOperation.isInstall() || policyOperation.policy().isEmpty() || (policyOperation.policy().get().policyType() == PolicyType.REDIRECT && policyOperation.objectiveOperation() == null)) {
        log.info("Deferring traffic match {} installation on device {}. Policy {} not yet installed", trafficMatch.trafficMatchId(), deviceId, trafficMatch.policyId());
        return;
    }
    // Updates the store and then send the versatile fwd objective to the pipeliner
    Operation newTrafficOperation = Operation.builder().isInstall(true).trafficMatch(trafficMatch).build();
    operations.put(trafficMatchKey.toString(), newTrafficOperation);
    Policy policy = policyOperation.policy().get();
    ForwardingObjective.Builder builder = trafficMatchFwdObjective(trafficMatch, policy.policyType());
    if (policy.policyType() == PolicyType.DROP) {
        // Firstly builds the fwd objective with the wipeDeferred action.
        TrafficTreatment dropTreatment = DefaultTrafficTreatment.builder().wipeDeferred().build();
        builder.withTreatment(dropTreatment);
    } else if (policy.policyType() == PolicyType.REDIRECT) {
        // Here we need to set only the next step
        builder.nextStep(policyOperation.objectiveOperation().id());
    }
    // Once, the fwd objective has completed its execution, we update the policiesOps map
    CompletableFuture<Objective> addNewFuture = new CompletableFuture<>();
    CompletableFuture<Objective> removeOldFuture = new CompletableFuture<>();
    if (log.isDebugEnabled()) {
        log.debug("Installing forwarding objective for dev: {}", deviceId);
    }
    ObjectiveContext addNewContext = new DefaultObjectiveContext((objective) -> {
        if (log.isDebugEnabled()) {
            log.debug("Forwarding objective for policy {} installed", trafficMatch.policyId());
        }
        addNewFuture.complete(objective);
    }, (objective, error) -> {
        log.warn("Failed to install forwarding objective for policy {}: {}", trafficMatch.policyId(), error);
        addNewFuture.complete(null);
    });
    ObjectiveContext removeOldContext = new DefaultObjectiveContext((objective) -> {
        if (log.isDebugEnabled()) {
            log.debug("Old forwarding objective for policy {} removed, update finished", trafficMatch.policyId());
        }
        removeOldFuture.complete(objective);
    }, (objective, error) -> {
        log.warn("Failed to remove old forwarding objective for policy {}: {}", trafficMatch.policyId(), error);
        removeOldFuture.complete(null);
    });
    // Context is not serializable
    ForwardingObjective serializableObjective = builder.add();
    flowObjectiveService.forward(deviceId, builder.add(addNewContext));
    addNewFuture.whenComplete((objective, ex) -> {
        if (ex != null) {
            log.error("Exception installing forwarding objective", ex);
        } else if (objective != null) {
            // base on priority, selector and metadata change
            if (oldTrafficOperation != null && oldTrafficOperation.objectiveOperation() != null && oldTrafficOperation.isInstall() && (oldTrafficOperation.objectiveOperation().priority() != serializableObjective.priority() || !((ForwardingObjective) oldTrafficOperation.objectiveOperation()).selector().equals(serializableObjective.selector()) || !((ForwardingObjective) oldTrafficOperation.objectiveOperation()).meta().equals(serializableObjective.meta()))) {
                ForwardingObjective oldFwdObj = (ForwardingObjective) oldTrafficOperation.objectiveOperation();
                ForwardingObjective.Builder oldBuilder = DefaultForwardingObjective.builder(oldFwdObj);
                flowObjectiveService.forward(deviceId, oldBuilder.remove(removeOldContext));
            } else {
                operations.computeIfPresent(trafficMatchKey.toString(), (k, v) -> {
                    if (!v.isDone() && v.isInstall()) {
                        v.isDone(true);
                        v.objectiveOperation(serializableObjective);
                    }
                    return v;
                });
            }
        }
    });
    removeOldFuture.whenComplete((objective, ex) -> {
        if (ex != null) {
            log.error("Exception removing old forwarding objective", ex);
        } else if (objective != null) {
            operations.computeIfPresent(trafficMatchKey.toString(), (k, v) -> {
                if (!v.isDone() && v.isInstall()) {
                    v.isDone(true);
                    v.objectiveOperation(serializableObjective);
                }
                return v;
            });
        }
    });
}

Example 28 with Objective

use of org.onosproject.net.flowobjective.Objective in project trellis-control by opennetworkinglab.

the class DefaultL2TunnelHandler method deployPseudoWireTerm.

/**
 * Handles the tunnel termination, which consists in the creation
 * of a forwarding objective and a next objective.
 *
 * @param l2Tunnel   the tunnel to terminate
 * @param egress     the egress point
 * @param egressVlan the expected vlan at egress
 * @param direction  the direction
 * @return the result of the operation
 */
private Result deployPseudoWireTerm(L2Tunnel l2Tunnel, ConnectPoint egress, VlanId egressVlan, Direction direction, boolean oneHop) {
    log.debug("Started deploying termination objectives for pseudowire {} , direction {}.", l2Tunnel.tunnelId(), direction == FWD ? "forward" : "reverse");
    // We create the group relative to the termination.
    NextObjective.Builder nextObjectiveBuilder = createNextObjective(TERMINATION, egress, null, l2Tunnel, egress.deviceId(), oneHop, egressVlan);
    if (nextObjectiveBuilder == null) {
        return INTERNAL_ERROR;
    }
    TrafficSelector metadata = DefaultTrafficSelector.builder().matchVlanId(egressVlan).build();
    nextObjectiveBuilder.withMeta(metadata);
    int nextId = srManager.flowObjectiveService.allocateNextId();
    if (nextId < 0) {
        log.warn("Not able to allocate a next id for initiation");
        return INTERNAL_ERROR;
    }
    nextObjectiveBuilder.withId(nextId);
    String key = generateKey(l2Tunnel.tunnelId(), direction);
    l2TerminationNextObjStore.put(key, nextObjectiveBuilder.add());
    ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("Termination l2 tunnel rule for {} populated", l2Tunnel.tunnelId()), (objective, error) -> {
        log.warn("Failed to populate termination l2 tunnel rule for {}: {}", l2Tunnel.tunnelId(), error);
        srManager.invalidateNextObj(objective.id());
    });
    NextObjective nextObjective = nextObjectiveBuilder.add(context);
    srManager.flowObjectiveService.next(egress.deviceId(), nextObjective);
    log.debug("Termination next objective for {} not found. Creating new NextObj with id={}", l2Tunnel.tunnelId(), nextObjective.id());
    // We create the flow relative to the termination.
    ForwardingObjective.Builder fwdBuilder = createTermFwdObjective(l2Tunnel.pwLabel(), l2Tunnel.tunnelId(), egress.port(), nextObjective.id());
    context = new DefaultObjectiveContext((objective) -> log.debug("FwdObj for tunnel termination {} populated", l2Tunnel.tunnelId()), (objective, error) -> log.warn("Failed to populate fwdrObj" + " for tunnel termination {} : {}", l2Tunnel.tunnelId(), error));
    srManager.flowObjectiveService.forward(egress.deviceId(), fwdBuilder.add(context));
    log.debug("Creating new FwdObj for termination NextObj with id={} for tunnel {}", nextId, l2Tunnel.tunnelId());
    return SUCCESS;
}

Example 29 with Objective

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

the class VirtualNetworkPacketManager method pushRule.

/**
 * Pushes packet intercept flow rules to the device.
 *
 * @param device  the device to push the rules to
 * @param request the packet request
 */
private void pushRule(Device device, PacketRequest request) {
    if (!device.type().equals(Device.Type.VIRTUAL)) {
        return;
    }
    ForwardingObjective forwarding = createBuilder(request).add(new ObjectiveContext() {

        @Override
        public void onError(Objective objective, ObjectiveError error) {
            log.warn("Failed to install packet request {} to {}: {}", request, device.id(), error);
        }
    });
    objectiveService.forward(device.id(), forwarding);
}

Example 30 with Objective

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

the class InOrderFlowObjectiveManager method dequeue.

/**
 * Dequeue flow objective. Execute the next flow objective in the queue, if any.
 *
 * @param deviceId Device ID
 * @param obj Flow objective
 * @param error ObjectiveError that triggers this dequeue. Null if this is not triggered by an error.
 */
private synchronized void dequeue(DeviceId deviceId, Objective obj, ObjectiveError error) {
    List<Objective> remaining;
    int priority = obj.priority();
    LogLevel logLevel = (obj.op() == Objective.Operation.VERIFY) ? LogLevel.TRACE : LogLevel.DEBUG;
    Tools.log(log, logLevel, "Dequeue {}", obj);
    if (obj instanceof FilteringObjective) {
        FilteringObjQueueKey k = new FilteringObjQueueKey(deviceId, priority, ((FilteringObjective) obj).key());
        if (!Objects.equals(ObjectiveError.INSTALLATIONTIMEOUT, error)) {
            filtObjQueueHead.invalidate(k);
        }
        filtObjQueue.remove(k, obj);
        remaining = filtObjQueue.get(k);
    } else if (obj instanceof ForwardingObjective) {
        ForwardingObjQueueKey k = new ForwardingObjQueueKey(deviceId, priority, ((ForwardingObjective) obj).selector());
        if (!Objects.equals(ObjectiveError.INSTALLATIONTIMEOUT, error)) {
            fwdObjQueueHead.invalidate(k);
        }
        fwdObjQueue.remove(k, obj);
        remaining = fwdObjQueue.get(k);
    } else if (obj instanceof NextObjective) {
        if (error != null) {
            // Remove pendingForwards and pendingNexts if next objective failed
            Set<PendingFlowObjective> removedForwards = pendingForwards.remove(obj.id());
            List<PendingFlowObjective> removedNexts = pendingNexts.remove(obj.id());
            if (removedForwards != null) {
                removedForwards.stream().map(PendingFlowObjective::flowObjective).forEach(pendingObj -> pendingObj.context().ifPresent(c -> c.onError(pendingObj, error)));
            }
            if (removedNexts != null) {
                removedNexts.stream().map(PendingFlowObjective::flowObjective).forEach(pendingObj -> pendingObj.context().ifPresent(c -> c.onError(pendingObj, error)));
            }
        }
        NextObjQueueKey k = new NextObjQueueKey(deviceId, obj.id());
        if (!Objects.equals(ObjectiveError.INSTALLATIONTIMEOUT, error)) {
            nextObjQueueHead.invalidate(k);
        }
        nextObjQueue.remove(k, obj);
        remaining = nextObjQueue.get(k);
    } else {
        log.error("Unknown flow objective instance: {}", obj.getClass().getName());
        return;
    }
    log.trace("{} queue size {}", obj.getClass().getSimpleName(), remaining.size());
    // Submit the next one in the queue, if any
    if (remaining.size() > 0) {
        execute(deviceId, remaining.get(0));
    }
}