| /* |
| * Copyright 2017-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.incubator.net.l2monitoring.cfm.impl; |
| |
| import com.google.common.net.InternetDomainName; |
| import org.apache.commons.lang3.tuple.ImmutablePair; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.util.Identifier; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultComponent; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMaintenanceAssociation; |
| import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMaintenanceDomain; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceAssociation; |
| import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceDomain; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaId2Octet; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdIccY1731; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdPrimaryVid; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdRfc2685VpnId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdShort; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdCharStr; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdDomainName; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdMacUint; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdNone; |
| import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.MdEvent; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.MdStore; |
| import org.onosproject.incubator.net.l2monitoring.cfm.service.MdStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| 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.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 org.slf4j.LoggerFactory; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Maintenance Domain Store implementation backed by consistent map. |
| */ |
| @Component(immediate = true, service = MdStore.class) |
| public class DistributedMdStore extends AbstractStore<MdEvent, MdStoreDelegate> |
| implements MdStore { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| private ConsistentMap<MdId, MaintenanceDomain> maintenanceDomainConsistentMap; |
| private Map<MdId, MaintenanceDomain> maintenanceDomainMap; |
| |
| private MapEventListener<MdId, MaintenanceDomain> mapListener = null; |
| |
| @Activate |
| public void activate() { |
| maintenanceDomainConsistentMap = storageService |
| .<MdId, MaintenanceDomain>consistentMapBuilder() |
| .withName("onos-cfm-ma-map") |
| .withSerializer(Serializer.using(new KryoNamespace.Builder() |
| .register(KryoNamespaces.API) |
| .register(DefaultMaintenanceDomain.class) |
| .register(MdIdCharStr.class) |
| .register(MdIdDomainName.class) |
| .register(MdIdMacUint.class) |
| .register(MdIdNone.class) |
| .register(MaintenanceDomain.MdLevel.class) |
| .register(DefaultMaintenanceAssociation.class) |
| .register(MaIdCharStr.class) |
| .register(MaIdShort.class) |
| .register(MaId2Octet.class) |
| .register(MaIdIccY1731.class) |
| .register(MaIdPrimaryVid.class) |
| .register(MaIdRfc2685VpnId.class) |
| .register(MaintenanceAssociation.CcmInterval.class) |
| .register(DefaultComponent.class) |
| .register(MepId.class) |
| .register(Identifier.class) |
| .register(InternetDomainName.class) |
| .register(MacAddress.class) |
| .register(ImmutablePair.class) |
| .register(org.onosproject.incubator.net.l2monitoring.cfm.Component.MhfCreationType.class) |
| .register(org.onosproject.incubator.net.l2monitoring.cfm.Component.IdPermissionType.class) |
| .register(org.onosproject.incubator.net.l2monitoring.cfm.Component.TagType.class) |
| .build("md"))) |
| .build(); |
| mapListener = new InternalMdListener(); |
| maintenanceDomainConsistentMap.addListener(mapListener); |
| |
| maintenanceDomainMap = maintenanceDomainConsistentMap.asJavaMap(); |
| log.info("MDStore started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| maintenanceDomainConsistentMap.removeListener(mapListener); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Collection<MaintenanceDomain> getAllMaintenanceDomain() { |
| return maintenanceDomainMap.values(); |
| } |
| |
| @Override |
| public Optional<MaintenanceDomain> getMaintenanceDomain(MdId mdName) { |
| return Optional.ofNullable( |
| maintenanceDomainMap.get(mdName)); |
| } |
| |
| @Override |
| public boolean deleteMaintenanceDomain(MdId mdName) { |
| return maintenanceDomainMap.remove(mdName) == null ? false : true; |
| } |
| |
| @Override |
| public boolean createUpdateMaintenanceDomain(MaintenanceDomain md) { |
| return maintenanceDomainMap.put(md.mdId(), md) == null ? false : true; |
| } |
| |
| private class InternalMdListener implements MapEventListener<MdId, MaintenanceDomain> { |
| @Override |
| public void event(MapEvent<MdId, MaintenanceDomain> mapEvent) { |
| final MdEvent.Type type; |
| MaIdShort maId = null; |
| switch (mapEvent.type()) { |
| case INSERT: |
| type = MdEvent.Type.MD_ADDED; |
| break; |
| case UPDATE: |
| // Examine the diff to see if it was a removal or addition of an MA caused it |
| if (mapEvent.oldValue().value().maintenanceAssociationList().size() > |
| mapEvent.newValue().value().maintenanceAssociationList().size()) { |
| Set<MaIdShort> newMaIds = mapEvent.newValue().value().maintenanceAssociationList() |
| .stream() |
| .map(MaintenanceAssociation::maId) |
| .collect(Collectors.toSet()); |
| Optional<MaintenanceAssociation> removedMa = |
| mapEvent.oldValue().value().maintenanceAssociationList() |
| .stream() |
| .filter(maOld -> !newMaIds.contains(maOld.maId())).findFirst(); |
| if (removedMa.isPresent()) { |
| maId = removedMa.get().maId(); |
| } |
| type = MdEvent.Type.MA_REMOVED; |
| } else if (mapEvent.oldValue().value().maintenanceAssociationList().size() < |
| mapEvent.newValue().value().maintenanceAssociationList().size()) { |
| Set<MaIdShort> oldMaIds = mapEvent.oldValue().value().maintenanceAssociationList() |
| .stream() |
| .map(MaintenanceAssociation::maId) |
| .collect(Collectors.toSet()); |
| Optional<MaintenanceAssociation> addedMa = |
| mapEvent.newValue().value().maintenanceAssociationList() |
| .stream() |
| .filter(maNew -> !oldMaIds.contains(maNew.maId())).findFirst(); |
| if (addedMa.isPresent()) { |
| maId = addedMa.get().maId(); |
| } |
| type = MdEvent.Type.MA_ADDED; |
| } else { |
| type = MdEvent.Type.MD_UPDATED; |
| } |
| break; |
| case REMOVE: |
| default: |
| type = MdEvent.Type.MD_REMOVED; |
| break; |
| } |
| if (mapEvent.oldValue() != null && mapEvent.oldValue().value() != null) { |
| MaintenanceDomain oldMd = mapEvent.oldValue().value(); |
| try { |
| if (maId != null) { |
| notifyDelegate(new MdEvent(type, mapEvent.key(), oldMd, maId)); |
| } else { |
| notifyDelegate(new MdEvent(type, mapEvent.key(), oldMd)); |
| } |
| } catch (CfmConfigException e) { |
| log.warn("Unable to copy MD {}", oldMd); |
| notifyDelegate(new MdEvent(type, mapEvent.key())); |
| } |
| } else { |
| notifyDelegate(new MdEvent(type, mapEvent.key())); |
| } |
| } |
| } |
| } |