| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.l2lb.app; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Sets; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.l2lb.api.L2Lb; |
| import org.onosproject.l2lb.api.L2LbData; |
| import org.onosproject.l2lb.api.L2LbEvent; |
| import org.onosproject.l2lb.api.L2LbAdminService; |
| import org.onosproject.l2lb.api.L2LbId; |
| import org.onosproject.l2lb.api.L2LbListener; |
| import org.onosproject.l2lb.api.L2LbMode; |
| import org.onosproject.l2lb.api.L2LbService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.instructions.Instruction; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.onosproject.net.flowobjective.DefaultNextObjective; |
| import org.onosproject.net.flowobjective.DefaultNextTreatment; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.net.flowobjective.ObjectiveContext; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.MapEvent; |
| import org.onosproject.store.service.MapEventListener; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.Versioned; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.stream.Collectors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| @Component( |
| immediate = true, |
| service = { |
| L2LbService.class, |
| L2LbAdminService.class |
| } |
| ) |
| public class L2LbManager implements L2LbService, L2LbAdminService { |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private FlowObjectiveService flowObjService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private DeviceService deviceService; |
| |
| private static final Logger log = getLogger(L2LbManager.class); |
| private static final String APP_NAME = "org.onosproject.l2lb"; |
| |
| private ApplicationId appId; |
| private ConsistentMap<L2LbId, L2Lb> l2LbStore; |
| private ConsistentMap<L2LbId, Integer> l2LbNextStore; |
| // TODO Evaluate if ResourceService is a better option |
| private ConsistentMap<L2LbId, ApplicationId> l2LbResStore; |
| private Set<L2LbListener> listeners = Sets.newConcurrentHashSet(); |
| |
| private ExecutorService l2LbEventExecutor; |
| private ExecutorService l2LbProvExecutor; |
| private ExecutorService deviceEventExecutor; |
| |
| private MapEventListener<L2LbId, L2Lb> l2LbStoreListener; |
| // TODO build CLI to view and clear the next store |
| private MapEventListener<L2LbId, Integer> l2LbNextStoreListener; |
| private MapEventListener<L2LbId, ApplicationId> l2LbResStoreListener; |
| private final DeviceListener deviceListener = new InternalDeviceListener(); |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication(APP_NAME); |
| |
| l2LbEventExecutor = Executors.newSingleThreadExecutor( |
| groupedThreads("l2lb-event", "%d", log)); |
| l2LbProvExecutor = Executors.newSingleThreadExecutor( |
| groupedThreads("l2lb-prov", "%d", log)); |
| deviceEventExecutor = Executors.newSingleThreadScheduledExecutor( |
| groupedThreads("l2lb-dev-event", "%d", log)); |
| l2LbStoreListener = new L2LbStoreListener(); |
| l2LbNextStoreListener = new L2LbNextStoreListener(); |
| l2LbResStoreListener = new L2LbResStoreListener(); |
| |
| KryoNamespace serializer = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(L2Lb.class) |
| .register(L2LbId.class) |
| .register(L2LbMode.class) |
| .build(); |
| l2LbStore = storageService.<L2LbId, L2Lb>consistentMapBuilder() |
| .withName("onos-l2lb-store") |
| .withRelaxedReadConsistency() |
| .withSerializer(Serializer.using(serializer)) |
| .build(); |
| l2LbStore.addListener(l2LbStoreListener); |
| l2LbNextStore = storageService.<L2LbId, Integer>consistentMapBuilder() |
| .withName("onos-l2lb-next-store") |
| .withRelaxedReadConsistency() |
| .withSerializer(Serializer.using(serializer)) |
| .build(); |
| l2LbNextStore.addListener(l2LbNextStoreListener); |
| l2LbResStore = storageService.<L2LbId, ApplicationId>consistentMapBuilder() |
| .withName("onos-l2lb-res-store") |
| .withRelaxedReadConsistency() |
| .withSerializer(Serializer.using(serializer)) |
| .build(); |
| l2LbResStore.addListener(l2LbResStoreListener); |
| |
| deviceService.addListener(deviceListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| l2LbStore.removeListener(l2LbStoreListener); |
| l2LbNextStore.removeListener(l2LbNextStoreListener); |
| |
| l2LbEventExecutor.shutdown(); |
| l2LbProvExecutor.shutdown(); |
| deviceEventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void addListener(L2LbListener listener) { |
| listeners.add(listener); |
| } |
| |
| @Override |
| public void removeListener(L2LbListener listener) { |
| listeners.remove(listener); |
| } |
| |
| @Override |
| public L2Lb createOrUpdate(L2LbId l2LbId, Set<PortNumber> ports, L2LbMode mode) { |
| log.debug("Putting {} -> {} {} into L2 load balancer store", l2LbId, mode, ports); |
| return Versioned.valueOrNull(l2LbStore.put(l2LbId, new L2Lb(l2LbId, ports, mode))); |
| } |
| |
| @Override |
| public L2Lb remove(L2LbId l2LbId) { |
| ApplicationId reservation = Versioned.valueOrNull(l2LbResStore.get(l2LbId)); |
| // Remove only if it is not used - otherwise it is necessary to release first |
| if (reservation == null) { |
| log.debug("Removing {} from L2 load balancer store", l2LbId); |
| return Versioned.valueOrNull(l2LbStore.remove(l2LbId)); |
| } |
| log.warn("Removal {} from L2 load balancer store was not possible " + |
| "due to a previous reservation", l2LbId); |
| return null; |
| } |
| |
| @Override |
| public Map<L2LbId, L2Lb> getL2Lbs() { |
| return ImmutableMap.copyOf(l2LbStore.asJavaMap()); |
| } |
| |
| @Override |
| public L2Lb getL2Lb(L2LbId l2LbId) { |
| return Versioned.valueOrNull(l2LbStore.get(l2LbId)); |
| } |
| |
| @Override |
| public Map<L2LbId, Integer> getL2LbNexts() { |
| return ImmutableMap.copyOf(l2LbNextStore.asJavaMap()); |
| } |
| |
| @Override |
| public int getL2LbNext(L2LbId l2LbId) { |
| return Versioned.valueOrNull(l2LbNextStore.get(l2LbId)); |
| } |
| |
| @Override |
| public boolean reserve(L2LbId l2LbId, ApplicationId appId) { |
| // Check if the resource is available |
| ApplicationId reservation = Versioned.valueOrNull(l2LbResStore.get(l2LbId)); |
| L2Lb l2Lb = Versioned.valueOrNull(l2LbStore.get(l2LbId)); |
| if (reservation == null && l2Lb != null) { |
| log.debug("Reserving {} -> {} into L2 load balancer reservation store", l2LbId, appId); |
| return l2LbResStore.put(l2LbId, appId) == null; |
| } else if (reservation != null && reservation.equals(appId)) { |
| // App try to reserve the resource a second time |
| log.debug("Already reserved {} -> {} skip reservation", l2LbId, appId); |
| return true; |
| } |
| log.warn("Reservation failed {} -> {}", l2LbId, appId); |
| return false; |
| } |
| |
| @Override |
| public boolean release(L2LbId l2LbId, ApplicationId appId) { |
| // Check if the resource is reserved |
| ApplicationId reservation = Versioned.valueOrNull(l2LbResStore.get(l2LbId)); |
| if (reservation != null && reservation.equals(appId)) { |
| log.debug("Removing {} -> {} from L2 load balancer reservation store", l2LbId, appId); |
| return l2LbResStore.remove(l2LbId) != null; |
| } |
| log.warn("Release failed {} -> {}", l2LbId, appId); |
| return false; |
| } |
| |
| @Override |
| public ApplicationId getReservation(L2LbId l2LbId) { |
| return Versioned.valueOrNull(l2LbResStore.get(l2LbId)); |
| } |
| |
| @Override |
| public Map<L2LbId, ApplicationId> getReservations() { |
| return l2LbResStore.asJavaMap(); |
| } |
| |
| private class L2LbStoreListener implements MapEventListener<L2LbId, L2Lb> { |
| public void event(MapEvent<L2LbId, L2Lb> event) { |
| switch (event.type()) { |
| case INSERT: |
| log.debug("L2Lb {} insert new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| post(new L2LbEvent(L2LbEvent.Type.ADDED, event.newValue().value().data(), null)); |
| populateL2Lb(event.newValue().value()); |
| break; |
| case REMOVE: |
| log.debug("L2Lb {} remove new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| post(new L2LbEvent(L2LbEvent.Type.REMOVED, null, event.oldValue().value().data())); |
| revokeL2Lb(event.oldValue().value()); |
| break; |
| case UPDATE: |
| log.debug("L2Lb {} update new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| post(new L2LbEvent(L2LbEvent.Type.UPDATED, event.newValue().value().data(), |
| event.oldValue().value().data())); |
| updateL2Lb(event.newValue().value(), event.oldValue().value()); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class L2LbNextStoreListener implements MapEventListener<L2LbId, Integer> { |
| public void event(MapEvent<L2LbId, Integer> event) { |
| switch (event.type()) { |
| case INSERT: |
| log.debug("L2Lb next {} insert new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| break; |
| case REMOVE: |
| log.debug("L2Lb next {} remove new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| break; |
| case UPDATE: |
| log.debug("L2Lb next {} update new={}, old={}", event.key(), event.newValue(), event.oldValue()); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class L2LbResStoreListener implements MapEventListener<L2LbId, ApplicationId> { |
| public void event(MapEvent<L2LbId, ApplicationId> event) { |
| switch (event.type()) { |
| case INSERT: |
| log.debug("L2Lb reservation {} insert new={}, old={}", event.key(), event.newValue(), |
| event.oldValue()); |
| break; |
| case REMOVE: |
| log.debug("L2Lb reservation {} remove new={}, old={}", event.key(), event.newValue(), |
| event.oldValue()); |
| break; |
| case UPDATE: |
| log.debug("L2Lb reservation {} update new={}, old={}", event.key(), event.newValue(), |
| event.oldValue()); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| // We want to manage only a subset of events and if we are the leader |
| @Override |
| public void event(DeviceEvent event) { |
| deviceEventExecutor.execute(() -> { |
| DeviceId deviceId = event.subject().id(); |
| if (!isLocalLeader(deviceId)) { |
| log.debug("Not the leader of {}. Skip event {}", deviceId, event); |
| return; |
| } |
| // Populate or revoke according to the device availability |
| if (deviceService.isAvailable(deviceId)) { |
| init(deviceId); |
| } else { |
| cleanup(deviceId); |
| } |
| }); |
| } |
| // Some events related to the devices are skipped |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| return event.type() == DeviceEvent.Type.DEVICE_ADDED || |
| event.type() == DeviceEvent.Type.DEVICE_AVAILABILITY_CHANGED || |
| event.type() == DeviceEvent.Type.DEVICE_UPDATED; |
| } |
| } |
| |
| private void post(L2LbEvent l2LbEvent) { |
| l2LbEventExecutor.execute(() -> { |
| for (L2LbListener l : listeners) { |
| if (l.isRelevant(l2LbEvent)) { |
| l.event(l2LbEvent); |
| } |
| } |
| }); |
| } |
| |
| private void init(DeviceId deviceId) { |
| l2LbStore.entrySet().stream() |
| .filter(l2lbentry -> l2lbentry.getKey().deviceId().equals(deviceId)) |
| .forEach(l2lbentry -> populateL2Lb(l2lbentry.getValue().value())); |
| } |
| |
| private void cleanup(DeviceId deviceId) { |
| l2LbStore.entrySet().stream() |
| .filter(entry -> entry.getKey().deviceId().equals(deviceId)) |
| .forEach(entry -> l2LbNextStore.remove(entry.getKey())); |
| log.debug("{} is removed from l2LbNextObjStore", deviceId); |
| } |
| |
| private void populateL2Lb(L2Lb l2Lb) { |
| DeviceId deviceId = l2Lb.l2LbId().deviceId(); |
| if (!isLocalLeader(deviceId)) { |
| log.debug("Not the leader of {}. Skip populateL2Lb {}", deviceId, l2Lb.l2LbId()); |
| return; |
| } |
| |
| l2LbProvExecutor.execute(() -> { |
| Integer nextid = Versioned.valueOrNull(l2LbNextStore.get(l2Lb.l2LbId())); |
| if (nextid == null) { |
| // Build a new context and new next objective |
| L2LbObjectiveContext context = new L2LbObjectiveContext(l2Lb.l2LbId()); |
| NextObjective nextObj = nextObjBuilder(l2Lb.l2LbId(), l2Lb.ports(), nextid).add(context); |
| // Finally submit, store, and register the resource |
| flowObjService.next(deviceId, nextObj); |
| l2LbNextStore.put(l2Lb.l2LbId(), nextObj.id()); |
| } else { |
| log.info("NextObj for {} already exists. Skip populateL2Lb", l2Lb.l2LbId()); |
| } |
| }); |
| } |
| |
| private void revokeL2Lb(L2Lb l2Lb) { |
| DeviceId deviceId = l2Lb.l2LbId().deviceId(); |
| if (!isLocalLeader(deviceId)) { |
| log.debug("Not the leader of {}. Skip revokeL2Lb {}", deviceId, l2Lb.l2LbId()); |
| return; |
| } |
| |
| l2LbProvExecutor.execute(() -> { |
| Integer nextid = Versioned.valueOrNull(l2LbNextStore.get(l2Lb.l2LbId())); |
| if (nextid != null) { |
| // Build a new context and remove old next objective |
| L2LbObjectiveContext context = new L2LbObjectiveContext(l2Lb.l2LbId()); |
| NextObjective nextObj = nextObjBuilder(l2Lb.l2LbId(), l2Lb.ports(), nextid).remove(context); |
| // Finally submit and invalidate the store |
| flowObjService.next(deviceId, nextObj); |
| l2LbNextStore.remove(l2Lb.l2LbId()); |
| } else { |
| log.info("NextObj for {} does not exist. Skip revokeL2Lb", l2Lb.l2LbId()); |
| } |
| }); |
| } |
| |
| private void updateL2Lb(L2Lb newL2Lb, L2Lb oldL2Lb) { |
| DeviceId deviceId = newL2Lb.l2LbId().deviceId(); |
| if (!isLocalLeader(deviceId)) { |
| log.debug("Not the leader of {}. Skip updateL2Lb {}", deviceId, newL2Lb.l2LbId()); |
| return; |
| } |
| |
| l2LbProvExecutor.execute(() -> { |
| Integer nextid = Versioned.valueOrNull(l2LbNextStore.get(newL2Lb.l2LbId())); |
| if (nextid != null) { |
| // Compute modifications and context |
| L2LbObjectiveContext context = new L2LbObjectiveContext(newL2Lb.l2LbId()); |
| Set<PortNumber> portsToBeAdded = Sets.difference(newL2Lb.ports(), oldL2Lb.ports()); |
| Set<PortNumber> portsToBeRemoved = Sets.difference(oldL2Lb.ports(), newL2Lb.ports()); |
| // and send them to the flowobj subsystem |
| if (!portsToBeAdded.isEmpty()) { |
| flowObjService.next(deviceId, nextObjBuilder(newL2Lb.l2LbId(), portsToBeAdded, nextid) |
| .addToExisting(context)); |
| } else { |
| log.debug("NextObj for {} nothing to add", newL2Lb.l2LbId()); |
| |
| } |
| if (!portsToBeRemoved.isEmpty()) { |
| flowObjService.next(deviceId, nextObjBuilder(newL2Lb.l2LbId(), portsToBeRemoved, nextid) |
| .removeFromExisting(context)); |
| } else { |
| log.debug("NextObj for {} nothing to remove", newL2Lb.l2LbId()); |
| } |
| } else { |
| log.info("NextObj for {} does not exist. Skip updateL2Lb", newL2Lb.l2LbId()); |
| } |
| }); |
| } |
| |
| private NextObjective.Builder nextObjBuilder(L2LbId l2LbId, Set<PortNumber> ports, Integer nextId) { |
| if (nextId == null) { |
| nextId = flowObjService.allocateNextId(); |
| } |
| // This metadata is used to pass the key to the driver. |
| // Some driver, e.g. OF-DPA, will use that information while creating load balancing group. |
| // TODO This is not an actual LAG port. In the future, we should extend metadata structure to carry |
| // generic information. We should avoid using in_port in the metadata once generic metadata is available. |
| TrafficSelector meta = DefaultTrafficSelector.builder() |
| .matchInPort(PortNumber.portNumber(l2LbId.key())).build(); |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective.builder() |
| .withId(nextId) |
| .withMeta(meta) |
| .withType(NextObjective.Type.HASHED) |
| .fromApp(appId); |
| ports.forEach(port -> { |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(port).build(); |
| nextObjBuilder.addTreatment(DefaultNextTreatment.of(treatment)); |
| }); |
| return nextObjBuilder; |
| } |
| |
| // Custom-built function, when the device is not available we need a fallback mechanism |
| private boolean isLocalLeader(DeviceId deviceId) { |
| if (!mastershipService.isLocalMaster(deviceId)) { |
| // When the device is available we just check the mastership |
| if (deviceService.isAvailable(deviceId)) { |
| return false; |
| } |
| // Fallback with Leadership service - device id is used as topic |
| NodeId leader = leadershipService.runForLeadership( |
| deviceId.toString()).leaderNodeId(); |
| // Verify if this node is the leader |
| return clusterService.getLocalNode().id().equals(leader); |
| } |
| return true; |
| } |
| |
| private final class L2LbObjectiveContext implements ObjectiveContext { |
| private final L2LbId l2LbId; |
| |
| private L2LbObjectiveContext(L2LbId l2LbId) { |
| this.l2LbId = l2LbId; |
| } |
| |
| @Override |
| public void onSuccess(Objective objective) { |
| NextObjective nextObj = (NextObjective) objective; |
| log.debug("Successfully {} nextobj {} for L2 load balancer {}. NextObj={}", |
| nextObj.op(), nextObj.id(), l2LbId, nextObj); |
| l2LbProvExecutor.execute(() -> onSuccessHandler(nextObj, l2LbId)); |
| } |
| |
| @Override |
| public void onError(Objective objective, ObjectiveError error) { |
| NextObjective nextObj = (NextObjective) objective; |
| log.warn("Failed to {} nextobj {} for L2 load balancer {} due to {}. NextObj={}", |
| nextObj.op(), nextObj.id(), l2LbId, error, nextObj); |
| l2LbProvExecutor.execute(() -> onErrorHandler(nextObj, l2LbId)); |
| } |
| } |
| |
| private void onSuccessHandler(NextObjective nextObjective, L2LbId l2LbId) { |
| // Operation done |
| L2LbData oldl2LbData = new L2LbData(l2LbId); |
| L2LbData newl2LbData = new L2LbData(l2LbId); |
| // Other operations will not lead to a generation of an event |
| switch (nextObjective.op()) { |
| case ADD: |
| newl2LbData.setNextId(nextObjective.id()); |
| post(new L2LbEvent(L2LbEvent.Type.INSTALLED, newl2LbData, oldl2LbData)); |
| break; |
| case REMOVE: |
| oldl2LbData.setNextId(nextObjective.id()); |
| post(new L2LbEvent(L2LbEvent.Type.UNINSTALLED, newl2LbData, oldl2LbData)); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void onErrorHandler(NextObjective nextObjective, L2LbId l2LbId) { |
| // There was a failure |
| L2LbData l2LbData = new L2LbData(l2LbId); |
| // send FAILED event; |
| switch (nextObjective.op()) { |
| case ADD: |
| // If ADD is failing apps do not know the next id; let's update the store |
| l2LbNextStore.remove(l2LbId); |
| l2LbResStore.remove(l2LbId); |
| l2LbStore.remove(l2LbId); |
| post(new L2LbEvent(L2LbEvent.Type.FAILED, l2LbData, l2LbData)); |
| break; |
| case ADD_TO_EXISTING: |
| // If ADD_TO_EXISTING is failing let's remove the failed ports |
| Collection<PortNumber> addedPorts = nextObjective.next().stream() |
| .flatMap(t -> t.allInstructions().stream()) |
| .filter(i -> i.type() == Instruction.Type.OUTPUT) |
| .map(i -> ((Instructions.OutputInstruction) i).port()) |
| .collect(Collectors.toList()); |
| l2LbStore.compute(l2LbId, (key, value) -> { |
| if (value != null && value.ports() != null && !value.ports().isEmpty()) { |
| value.ports().removeAll(addedPorts); |
| } |
| return value; |
| }); |
| l2LbData.setNextId(nextObjective.id()); |
| post(new L2LbEvent(L2LbEvent.Type.FAILED, l2LbData, l2LbData)); |
| break; |
| case REMOVE_FROM_EXISTING: |
| // If REMOVE_TO_EXISTING is failing let's re-add the failed ports |
| Collection<PortNumber> removedPorts = nextObjective.next().stream() |
| .flatMap(t -> t.allInstructions().stream()) |
| .filter(i -> i.type() == Instruction.Type.OUTPUT) |
| .map(i -> ((Instructions.OutputInstruction) i).port()) |
| .collect(Collectors.toList()); |
| l2LbStore.compute(l2LbId, (key, value) -> { |
| if (value != null && value.ports() != null) { |
| value.ports().addAll(removedPorts); |
| } |
| return value; |
| }); |
| l2LbData.setNextId(nextObjective.id()); |
| post(new L2LbEvent(L2LbEvent.Type.FAILED, l2LbData, l2LbData)); |
| break; |
| case VERIFY: |
| case REMOVE: |
| // If ADD/REMOVE_TO_EXISTING, REMOVE and VERIFY are failing let's send |
| // also the info about the next id |
| l2LbData.setNextId(nextObjective.id()); |
| post(new L2LbEvent(L2LbEvent.Type.FAILED, l2LbData, l2LbData)); |
| break; |
| default: |
| break; |
| } |
| |
| } |
| } |