| /* |
| * Copyright 2015-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.vtnrsc.portchain.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Collections; |
| import java.util.UUID; |
| |
| 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.event.AbstractListenerManager; |
| import org.onosproject.net.DeviceId; |
| 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.MultiValuedTimestamp; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.WallClockTimestamp; |
| import org.onosproject.vtnrsc.DefaultPortChain; |
| import org.onosproject.vtnrsc.FiveTuple; |
| import org.onosproject.vtnrsc.FlowClassifierId; |
| import org.onosproject.vtnrsc.LoadBalanceId; |
| import org.onosproject.vtnrsc.PortChain; |
| import org.onosproject.vtnrsc.PortChainId; |
| import org.onosproject.vtnrsc.PortPairGroupId; |
| import org.onosproject.vtnrsc.PortPairId; |
| import org.onosproject.vtnrsc.TenantId; |
| import org.onosproject.vtnrsc.portchain.PortChainEvent; |
| import org.onosproject.vtnrsc.portchain.PortChainListener; |
| import org.onosproject.vtnrsc.portchain.PortChainService; |
| import org.slf4j.Logger; |
| |
| /** |
| * Provides implementation of the portChainService. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class PortChainManager extends AbstractListenerManager<PortChainEvent, PortChainListener> implements |
| PortChainService { |
| |
| private static final String PORT_CHAIN_ID_NULL = "PortChain ID cannot be null"; |
| private static final String PORT_CHAIN_NULL = "PortChain cannot be null"; |
| private static final String EVENT_NOT_NULL = "event cannot be null"; |
| |
| private final Logger log = getLogger(getClass()); |
| private EventuallyConsistentMap<PortChainId, PortChain> portChainStore; |
| |
| private EventuallyConsistentMapListener<PortChainId, PortChain> portChainListener = |
| new InnerPortChainStoreListener(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| @Activate |
| public void activate() { |
| |
| eventDispatcher.addSink(PortChainEvent.class, listenerRegistry); |
| |
| KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(MultiValuedTimestamp.class) |
| .register(PortChain.class, PortChainId.class, UUID.class, PortPairGroupId.class, |
| FlowClassifierId.class, FiveTuple.class, LoadBalanceId.class, DeviceId.class, |
| DefaultPortChain.class, PortPairId.class, TenantId.class); |
| |
| portChainStore = storageService |
| .<PortChainId, PortChain>eventuallyConsistentMapBuilder() |
| .withName("portchainstore").withSerializer(serializer) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()).build(); |
| |
| portChainStore.addListener(portChainListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| eventDispatcher.removeSink(PortChainEvent.class); |
| portChainStore.removeListener(portChainListener); |
| portChainStore.destroy(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public boolean exists(PortChainId portChainId) { |
| checkNotNull(portChainId, PORT_CHAIN_ID_NULL); |
| return portChainStore.containsKey(portChainId); |
| } |
| |
| @Override |
| public int getPortChainCount() { |
| return portChainStore.size(); |
| } |
| |
| @Override |
| public Iterable<PortChain> getPortChains() { |
| return Collections.unmodifiableCollection(portChainStore.values()); |
| } |
| |
| @Override |
| public PortChain getPortChain(PortChainId portChainId) { |
| checkNotNull(portChainId, PORT_CHAIN_ID_NULL); |
| return portChainStore.get(portChainId); |
| } |
| |
| @Override |
| public boolean createPortChain(PortChain portChain) { |
| checkNotNull(portChain, PORT_CHAIN_NULL); |
| |
| portChainStore.put(portChain.portChainId(), portChain); |
| if (!portChainStore.containsKey(portChain.portChainId())) { |
| log.error("The portChain created is failed which identifier was {}", portChain.portChainId() |
| .toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean updatePortChain(PortChain portChain) { |
| checkNotNull(portChain, PORT_CHAIN_NULL); |
| PortChain oldPortChain = null; |
| if (!portChainStore.containsKey(portChain.portChainId())) { |
| log.warn("The portChain is not exist whose identifier was {} ", |
| portChain.portChainId().toString()); |
| return false; |
| } else { |
| oldPortChain = portChainStore.get(portChain.portChainId()); |
| } |
| PortChain newPortChain = DefaultPortChain.create(portChain, oldPortChain); |
| portChainStore.put(newPortChain.portChainId(), newPortChain); |
| |
| if (!newPortChain.equals(portChainStore.get(newPortChain.portChainId()))) { |
| log.debug("The portChain is updated failed whose identifier was {} ", |
| newPortChain.portChainId().toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removePortChain(PortChainId portChainId) { |
| checkNotNull(portChainId, PORT_CHAIN_NULL); |
| |
| portChainStore.remove(portChainId); |
| if (portChainStore.containsKey(portChainId)) { |
| log.debug("The portChain is removed failed whose identifier was {}", |
| portChainId.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| private class InnerPortChainStoreListener |
| implements |
| EventuallyConsistentMapListener<PortChainId, PortChain> { |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<PortChainId, PortChain> event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| PortChain portChain = event.value(); |
| if (EventuallyConsistentMapEvent.Type.PUT == event.type()) { |
| notifyListeners(new PortChainEvent( |
| PortChainEvent.Type.PORT_CHAIN_PUT, |
| portChain)); |
| } |
| if (EventuallyConsistentMapEvent.Type.REMOVE == event.type()) { |
| notifyListeners(new PortChainEvent( |
| PortChainEvent.Type.PORT_CHAIN_DELETE, |
| portChain)); |
| } |
| } |
| } |
| |
| /** |
| * Notifies specify event to all listeners. |
| * |
| * @param event port chain event |
| */ |
| private void notifyListeners(PortChainEvent event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| post(event); |
| } |
| } |