| /* |
| * Copyright 2018-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.drivers.bmv2.mirror; |
| |
| 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.onlab.util.KryoNamespace; |
| import org.onosproject.drivers.bmv2.api.runtime.Bmv2Entity; |
| import org.onosproject.drivers.bmv2.api.runtime.Bmv2Handle; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.store.service.EventuallyConsistentMap; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.WallClockTimestamp; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Abstract implementation of a distributed BMv2 mirror, backed by an |
| * {@link EventuallyConsistentMap}. |
| * |
| * @param <H> Handle class |
| * @param <E> Entry class |
| */ |
| @Component(immediate = true) |
| public abstract class AbstractDistributedBmv2Mirror |
| <H extends Bmv2Handle, E extends Bmv2Entity> |
| implements Bmv2Mirror<H, E> { |
| |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| private StorageService storageService; |
| |
| private EventuallyConsistentMap<H, E> mirrorMap; |
| |
| @Activate |
| public void activate() { |
| mirrorMap = storageService |
| .<H, E>eventuallyConsistentMapBuilder() |
| .withName(mapName()) |
| .withSerializer(storeSerializer()) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| .build(); |
| log.info("Started"); |
| } |
| |
| abstract String mapName(); |
| |
| abstract KryoNamespace storeSerializer(); |
| |
| @Deactivate |
| public void deactivate() { |
| mirrorMap.destroy(); |
| mirrorMap = null; |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Collection<E> getAll(DeviceId deviceId) { |
| checkNotNull(deviceId); |
| return mirrorMap.entrySet().stream() |
| .filter(entry -> entry.getKey().deviceId().equals(deviceId)) |
| .map(Map.Entry::getValue) |
| .collect(Collectors.toList()); |
| } |
| |
| @Override |
| public E get(H handle) { |
| checkNotNull(handle); |
| return mirrorMap.get(handle); |
| } |
| |
| @Override |
| public void put(H handle, E entry) { |
| checkNotNull(handle); |
| checkNotNull(entry); |
| mirrorMap.put(handle, entry); |
| } |
| |
| @Override |
| public void remove(H handle) { |
| checkNotNull(handle); |
| mirrorMap.remove(handle); |
| } |
| } |