| /* |
| * 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.vpls.store; |
| |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.StoreDelegate; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.EventuallyConsistentMap; |
| import org.onosproject.store.service.EventuallyConsistentMapEvent; |
| import org.onosproject.store.service.EventuallyConsistentMapListener; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.WallClockTimestamp; |
| import org.onosproject.vpls.VplsManager; |
| import org.onosproject.vpls.api.VplsData; |
| import org.onosproject.vpls.api.VplsOperation; |
| import org.onosproject.vpls.api.VplsStore; |
| import org.onosproject.vpls.config.VplsAppConfig; |
| import org.onosproject.vpls.config.VplsConfig; |
| 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.Set; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.stream.Collectors; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| /** |
| * Implementation of VPLSConfigurationService which reads VPLS configuration |
| * from the network configuration service. |
| */ |
| @Component(immediate = true, service = VplsStore.class) |
| public class DistributedVplsStore |
| extends AbstractStore<VplsStoreEvent, StoreDelegate<VplsStoreEvent>> |
| implements VplsStore { |
| |
| private static final KryoNamespace APP_KRYO = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(Interface.class) |
| .register(VplsData.class) |
| .register(VplsData.VplsState.class) |
| .register(VplsOperation.class) |
| .build(); |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected NetworkConfigService networkConfigService; |
| |
| private EventuallyConsistentMap<String, VplsData> vplsDataStore; |
| private EventuallyConsistentMapListener<String, VplsData> vplsDataListener; |
| private ApplicationId appId; |
| |
| @Activate |
| protected void active() { |
| appId = coreService.registerApplication(VplsManager.VPLS_APP); |
| |
| vplsDataStore = storageService.<String, VplsData>eventuallyConsistentMapBuilder() |
| .withName("VPLS-Data") |
| .withTimestampProvider((name, vpls) -> new WallClockTimestamp()) |
| .withSerializer(APP_KRYO) |
| .build(); |
| vplsDataListener = new InternalVplsDataListener(); |
| vplsDataStore.addListener(vplsDataListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactive() { |
| vplsDataStore.removeListener(vplsDataListener); |
| networkConfigService.removeConfig(appId); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void addVpls(VplsData vplsData) { |
| requireNonNull(vplsData); |
| if (vplsData.name().isEmpty()) { |
| throw new IllegalArgumentException("VPLS name is empty."); |
| } |
| vplsData.state(VplsData.VplsState.ADDING); |
| this.vplsDataStore.put(vplsData.name(), vplsData); |
| } |
| |
| @Override |
| public void removeVpls(VplsData vplsData) { |
| requireNonNull(vplsData); |
| if (vplsData.name().isEmpty()) { |
| throw new IllegalArgumentException("VPLS name is empty."); |
| } |
| vplsData.state(VplsData.VplsState.REMOVING); |
| if (!this.vplsDataStore.containsKey(vplsData.name())) { |
| // notify the delegate asynchronously if VPLS does not exists |
| CompletableFuture.runAsync(() -> { |
| VplsStoreEvent event = new VplsStoreEvent(VplsStoreEvent.Type.REMOVE, |
| vplsData); |
| notifyDelegate(event); |
| }); |
| return; |
| } |
| this.vplsDataStore.remove(vplsData.name()); |
| } |
| |
| @Override |
| public void updateVpls(VplsData vplsData) { |
| switch (vplsData.state()) { |
| case ADDED: |
| case REMOVED: |
| case FAILED: |
| // state update only |
| this.vplsDataStore.put(vplsData.name(), vplsData); |
| break; |
| default: |
| vplsData.state(VplsData.VplsState.UPDATING); |
| this.vplsDataStore.put(vplsData.name(), vplsData); |
| break; |
| } |
| } |
| |
| @Override |
| public VplsData getVpls(String vplsName) { |
| return vplsDataStore.get(vplsName); |
| } |
| |
| @Override |
| public Collection<VplsData> getAllVpls() { |
| return vplsDataStore.values(); |
| } |
| |
| /** |
| * Writes all VPLS data to the network configuration store. |
| * |
| * @param vplsDataCollection the VPLSs data |
| */ |
| public void writeVplsToNetConfig(Collection<VplsData> vplsDataCollection) { |
| VplsAppConfig config = networkConfigService.addConfig(appId, VplsAppConfig.class); |
| if (config == null) { |
| log.debug("VPLS config is not available now"); |
| return; |
| } |
| config.clearVplsConfig(); |
| |
| // Setup update time for this VPLS application configuration |
| WallClockTimestamp ts = new WallClockTimestamp(); |
| config.updateTime(ts.unixTimestamp()); |
| |
| vplsDataCollection.forEach(vplsData -> { |
| Set<String> interfaceNames = vplsData.interfaces() |
| .stream() |
| .map(Interface::name) |
| .collect(Collectors.toSet()); |
| VplsConfig vplsConfig = new VplsConfig(vplsData.name(), interfaceNames, |
| vplsData.encapsulationType()); |
| config.addVpls(vplsConfig); |
| }); |
| |
| networkConfigService.applyConfig(appId, VplsAppConfig.class, config.node()); |
| } |
| |
| /** |
| * Listener for VPLS data store. |
| */ |
| private class InternalVplsDataListener implements EventuallyConsistentMapListener<String, VplsData> { |
| private static final String STATE_UPDATE = "VPLS state updated, new VPLS: {}"; |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<String, VplsData> event) { |
| VplsData vplsData = event.value(); |
| // Update network config |
| writeVplsToNetConfig(getAllVpls()); |
| switch (event.type()) { |
| case PUT: |
| // Add or Update |
| if (vplsData.state() == VplsData.VplsState.ADDING) { |
| VplsStoreEvent vplsStoreEvent = |
| new VplsStoreEvent(VplsStoreEvent.Type.ADD, vplsData); |
| notifyDelegate(vplsStoreEvent); |
| } else if (vplsData.state() == VplsData.VplsState.UPDATING) { |
| VplsStoreEvent vplsStoreEvent = |
| new VplsStoreEvent(VplsStoreEvent.Type.UPDATE, vplsData); |
| notifyDelegate(vplsStoreEvent); |
| } else { |
| // Do nothing here, just update state from operation service |
| log.debug(STATE_UPDATE, vplsData); |
| } |
| break; |
| case REMOVE: |
| if (vplsData == null) { |
| vplsData = VplsData.of(event.key()); |
| } |
| vplsData.state(VplsData.VplsState.REMOVING); |
| VplsStoreEvent vplsStoreEvent = |
| new VplsStoreEvent(VplsStoreEvent.Type.REMOVE, vplsData); |
| notifyDelegate(vplsStoreEvent); |
| break; |
| default: |
| break; |
| } |
| |
| } |
| } |
| } |