| /* |
| * Copyright 2015-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.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.util.KryoNamespace; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.mcast.McastEvent; |
| import org.onosproject.net.mcast.McastRoute; |
| import org.onosproject.net.mcast.McastStore; |
| import org.onosproject.net.mcast.McastStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.slf4j.Logger; |
| |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import static org.onosproject.net.mcast.McastRouteInfo.mcastRouteInfo; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * A distributed mcast store implementation. Routes are stored consistently |
| * across the cluster. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DistributedMcastStore extends AbstractStore<McastEvent, McastStoreDelegate> |
| implements McastStore { |
| //FIXME the number of events that will potentially be generated here is |
| // not sustainable, consider changing this to an eventually consistent |
| // map and not emitting events but rather use a provider-like mechanism |
| // to program the dataplane. |
| |
| private static final String MCASTRIB = "onos-mcast-rib-table"; |
| private Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| protected ConsistentMap<McastRoute, MulticastData> mcastRib; |
| protected Map<McastRoute, MulticastData> mcastRoutes; |
| |
| |
| @Activate |
| public void activate() { |
| |
| mcastRib = storageService.<McastRoute, MulticastData>consistentMapBuilder() |
| .withName(MCASTRIB) |
| .withSerializer(Serializer.using(KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register( |
| AtomicReference.class, |
| MulticastData.class, |
| McastRoute.class, |
| McastRoute.Type.class |
| ).build())) |
| //.withRelaxedReadConsistency() |
| .build(); |
| |
| mcastRoutes = mcastRib.asJavaMap(); |
| |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void storeRoute(McastRoute route, Type operation) { |
| switch (operation) { |
| case ADD: |
| if (mcastRoutes.putIfAbsent(route, MulticastData.empty()) == null) { |
| notifyDelegate(new McastEvent(McastEvent.Type.ROUTE_ADDED, |
| mcastRouteInfo(route))); |
| } |
| break; |
| case REMOVE: |
| if (mcastRoutes.remove(route) != null) { |
| notifyDelegate(new McastEvent(McastEvent.Type.ROUTE_REMOVED, |
| mcastRouteInfo(route))); |
| } |
| break; |
| default: |
| log.warn("Unknown mcast operation type: {}", operation); |
| } |
| } |
| |
| @Override |
| public void storeSource(McastRoute route, ConnectPoint source) { |
| MulticastData data = mcastRoutes.compute(route, (k, v) -> { |
| if (v == null) { |
| return new MulticastData(source); |
| } else { |
| v.setSource(source); |
| } |
| return v; |
| }); |
| |
| |
| if (data != null) { |
| notifyDelegate(new McastEvent(McastEvent.Type.SOURCE_ADDED, |
| mcastRouteInfo(route, |
| data.sinks(), |
| source))); |
| } |
| |
| } |
| |
| @Override |
| public void storeSink(McastRoute route, ConnectPoint sink, Type operation) { |
| MulticastData data = mcastRoutes.compute(route, (k, v) -> { |
| switch (operation) { |
| case ADD: |
| if (v == null) { |
| v = MulticastData.empty(); |
| } |
| v.appendSink(sink); |
| break; |
| case REMOVE: |
| if (v != null) { |
| v.removeSink(sink); |
| } |
| break; |
| default: |
| log.warn("Unknown mcast operation type: {}", operation); |
| } |
| return v; |
| }); |
| |
| |
| if (data != null) { |
| switch (operation) { |
| case ADD: |
| notifyDelegate(new McastEvent(McastEvent.Type.SINK_ADDED, |
| mcastRouteInfo(route, sink, |
| data.source()))); |
| break; |
| case REMOVE: |
| if (data != null) { |
| notifyDelegate(new McastEvent(McastEvent.Type.SINK_REMOVED, |
| mcastRouteInfo(route, |
| sink, |
| data.source()))); |
| } |
| break; |
| default: |
| log.warn("Unknown mcast operation type: {}", operation); |
| } |
| } |
| |
| } |
| |
| @Override |
| public ConnectPoint sourceFor(McastRoute route) { |
| return mcastRoutes.getOrDefault(route, MulticastData.empty()).source(); |
| } |
| |
| @Override |
| public Set<ConnectPoint> sinksFor(McastRoute route) { |
| return mcastRoutes.getOrDefault(route, MulticastData.empty()).sinks(); |
| } |
| |
| @Override |
| public Set<McastRoute> getRoutes() { |
| return mcastRoutes.keySet(); |
| } |
| |
| } |