| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * 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.store.routing.impl; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.incubator.net.routing.NextHopData; |
| import org.onosproject.incubator.net.routing.Route; |
| import org.onosproject.incubator.net.routing.RouteEvent; |
| import org.onosproject.incubator.net.routing.RouteStore; |
| import org.onosproject.incubator.net.routing.RouteStoreDelegate; |
| import org.onosproject.incubator.net.routing.RouteTableId; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.service.StorageService; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collection; |
| import java.util.Dictionary; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkState; |
| |
| /** |
| * An implementation of RouteStore that is backed by either LocalRouteStore or |
| * DistributedRouteStore according to configuration. |
| */ |
| @Service |
| @Component |
| public class RouteStoreImpl extends AbstractStore<RouteEvent, RouteStoreDelegate> |
| implements RouteStore { |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService componentConfigService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| public StorageService storageService; |
| |
| @Property(name = "distributed", boolValue = false, |
| label = "Enable distributed route store") |
| private boolean distributed; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private RouteStore currentRouteStore; |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| componentConfigService.registerProperties(getClass()); |
| modified(context); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| if (distributed) { |
| ((DistributedRouteStore) currentRouteStore).deactivate(); |
| } else { |
| ((LocalRouteStore) currentRouteStore).deactivate(); |
| } |
| componentConfigService.unregisterProperties(getClass(), false); |
| } |
| |
| @Modified |
| public void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| if (properties == null) { |
| return; |
| } |
| |
| String strDistributed = Tools.get(properties, "distributed"); |
| boolean expectDistributed = Boolean.parseBoolean(strDistributed); |
| |
| // Start route store during first start or config change |
| // NOTE: new route store will be empty |
| if (currentRouteStore == null || expectDistributed != distributed) { |
| if (expectDistributed) { |
| if (currentRouteStore != null) { |
| ((LocalRouteStore) currentRouteStore).deactivate(); |
| } |
| currentRouteStore = new DistributedRouteStore(storageService); |
| ((DistributedRouteStore) currentRouteStore).activate(); |
| ((DistributedRouteStore) currentRouteStore).setDelegate(delegate); |
| } else { |
| if (currentRouteStore != null) { |
| ((DistributedRouteStore) currentRouteStore).deactivate(); |
| } |
| currentRouteStore = new LocalRouteStore(); |
| ((LocalRouteStore) currentRouteStore).activate(); |
| ((LocalRouteStore) currentRouteStore).setDelegate(delegate); |
| } |
| |
| this.distributed = expectDistributed; |
| log.info("Switched to {} route store", distributed ? "distributed" : "local"); |
| } |
| |
| } |
| |
| @Override |
| public void setDelegate(RouteStoreDelegate delegate) { |
| checkState(this.delegate == null || this.delegate == delegate, |
| "Store delegate already set"); |
| this.delegate = delegate; |
| |
| // Set the delegate of underlying route store implementation |
| currentRouteStore.setDelegate(delegate); |
| } |
| |
| @Override |
| public void unsetDelegate(RouteStoreDelegate delegate) { |
| if (this.delegate == delegate) { |
| this.delegate = null; |
| } |
| |
| // Unset the delegate of underlying route store implementation |
| currentRouteStore.unsetDelegate(delegate); |
| } |
| |
| @Override |
| public void updateRoute(Route route) { |
| currentRouteStore.updateRoute(route); |
| } |
| |
| @Override |
| public void removeRoute(Route route) { |
| currentRouteStore.removeRoute(route); |
| } |
| |
| @Override |
| public Set<RouteTableId> getRouteTables() { |
| return currentRouteStore.getRouteTables(); |
| } |
| |
| @Override |
| public Collection<Route> getRoutes(RouteTableId table) { |
| return currentRouteStore.getRoutes(table); |
| } |
| |
| @Override |
| public Route longestPrefixMatch(IpAddress ip) { |
| return currentRouteStore.longestPrefixMatch(ip); |
| } |
| |
| @Override |
| public Collection<Route> getRoutesForNextHop(IpAddress ip) { |
| return currentRouteStore.getRoutesForNextHop(ip); |
| } |
| |
| @Override |
| public void updateNextHop(IpAddress ip, NextHopData nextHopData) { |
| currentRouteStore.updateNextHop(ip, nextHopData); |
| } |
| |
| @Override |
| public void removeNextHop(IpAddress ip, NextHopData nextHopData) { |
| currentRouteStore.removeNextHop(ip, nextHopData); |
| } |
| |
| @Override |
| public NextHopData getNextHop(IpAddress ip) { |
| return currentRouteStore.getNextHop(ip); |
| } |
| |
| @Override |
| public Map<IpAddress, NextHopData> getNextHops() { |
| return currentRouteStore.getNextHops(); |
| } |
| } |