| /* |
| * Copyright 2015 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.net.mcast.impl; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| 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.IpPrefix; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.AbstractListenerManager; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.mcast.McastEvent; |
| import org.onosproject.net.mcast.McastListener; |
| import org.onosproject.net.mcast.McastRoute; |
| import org.onosproject.net.mcast.MulticastRouteService; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.Versioned; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * An implementation of a multicast route table. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class MulticastRouteManager |
| extends AbstractListenerManager<McastEvent, McastListener> |
| implements MulticastRouteService { |
| //TODO: add MulticastRouteAdminService |
| |
| private static final String MCASTRIB = "mcast-rib-table"; |
| |
| private Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| private StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| private CoreService coreService; |
| |
| |
| protected ApplicationId appId; |
| protected ConsistentMap<McastRoute, MulticastData> mcastRoutes; |
| |
| @Activate |
| public void activate() { |
| |
| eventDispatcher.addSink(McastEvent.class, listenerRegistry); |
| |
| appId = coreService.registerApplication("org.onosproject.mcastrib"); |
| |
| mcastRoutes = storageService.<McastRoute, MulticastData>consistentMapBuilder() |
| .withApplicationId(appId) |
| .withName(MCASTRIB) |
| .withSerializer(Serializer.using(KryoNamespace.newBuilder().register( |
| MulticastData.class, |
| McastRoute.class, |
| McastRoute.Type.class, |
| IpPrefix.class, |
| List.class, |
| ConnectPoint.class |
| ).build())).build(); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void add(McastRoute route) { |
| mcastRoutes.put(route, MulticastData.empty()); |
| post(new McastEvent(McastEvent.Type.ROUTE_ADDED, route, null, null)); |
| } |
| |
| @Override |
| public void remove(McastRoute route) { |
| mcastRoutes.remove(route); |
| post(new McastEvent(McastEvent.Type.ROUTE_REMOVED, route, null, null)); |
| } |
| |
| @Override |
| public void addSource(McastRoute route, ConnectPoint connectPoint) { |
| Versioned<MulticastData> d = mcastRoutes.compute(route, (k, v) -> { |
| if (v.isEmpty()) { |
| return new MulticastData(connectPoint); |
| } else { |
| log.warn("Route {} is already in use.", route); |
| return v; |
| } |
| }); |
| |
| if (d != null) { |
| post(new McastEvent(McastEvent.Type.SOURCE_ADDED, |
| route, null, connectPoint)); |
| } |
| } |
| |
| @Override |
| public void addSink(McastRoute route, ConnectPoint connectPoint) { |
| AtomicReference<ConnectPoint> source = new AtomicReference<>(); |
| mcastRoutes.compute(route, (k, v) -> { |
| if (!v.isEmpty()) { |
| v.appendSink(connectPoint); |
| source.set(v.source()); |
| } else { |
| log.warn("Route {} does not exist"); |
| } |
| return v; |
| }); |
| |
| if (source.get() != null) { |
| post(new McastEvent(McastEvent.Type.SINK_ADDED, route, |
| connectPoint, source.get())); |
| } |
| } |
| |
| |
| @Override |
| public void removeSink(McastRoute route, ConnectPoint connectPoint) { |
| AtomicReference<ConnectPoint> source = new AtomicReference<>(); |
| mcastRoutes.compute(route, (k, v) -> { |
| if (v.removeSink(connectPoint)) { |
| source.set(v.source()); |
| } |
| return v; |
| }); |
| |
| if (source.get() != null) { |
| post(new McastEvent(McastEvent.Type.SINK_REMOVED, route, |
| connectPoint, source.get())); |
| } |
| } |
| |
| @Override |
| public ConnectPoint fetchSource(McastRoute route) { |
| MulticastData d = mcastRoutes.asJavaMap().getOrDefault(route, |
| MulticastData.empty()); |
| return d.source(); |
| } |
| |
| @Override |
| public List<ConnectPoint> fetchSinks(McastRoute route) { |
| MulticastData d = mcastRoutes.asJavaMap().getOrDefault(route, |
| MulticastData.empty()); |
| return d.sinks(); |
| } |
| } |