| /* |
| * Copyright 2017-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.store.pi.impl; |
| |
| import com.google.common.collect.Sets; |
| 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.DeviceId; |
| import org.onosproject.net.pi.model.PiPipeconfId; |
| import org.onosproject.net.pi.service.PiPipeconfDeviceMappingEvent; |
| import org.onosproject.net.pi.service.PiPipeconfMappingStore; |
| import org.onosproject.net.pi.service.PiPipeconfMappingStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| 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.slf4j.Logger; |
| |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Manages information of pipeconf to device binding using gossip protocol to distribute |
| * information. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DistributedDevicePipeconfMappingStore |
| extends AbstractStore<PiPipeconfDeviceMappingEvent, PiPipeconfMappingStoreDelegate> |
| implements PiPipeconfMappingStore { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| protected EventuallyConsistentMap<DeviceId, PiPipeconfId> deviceToPipeconf; |
| |
| protected final EventuallyConsistentMapListener<DeviceId, PiPipeconfId> pipeconfListener = |
| new InternalPiPipeconfListener(); |
| |
| protected ConcurrentMap<PiPipeconfId, Set<DeviceId>> pipeconfToDevices = new ConcurrentHashMap<>(); |
| |
| @Activate |
| public void activate() { |
| KryoNamespace.Builder serializer = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(MultiValuedTimestamp.class); |
| deviceToPipeconf = storageService.<DeviceId, PiPipeconfId>eventuallyConsistentMapBuilder() |
| .withName("onos-pipeconf-table") |
| .withSerializer(serializer) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()).build(); |
| deviceToPipeconf.addListener(pipeconfListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| deviceToPipeconf.removeListener(pipeconfListener); |
| deviceToPipeconf = null; |
| pipeconfToDevices = null; |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public PiPipeconfId getPipeconfId(DeviceId deviceId) { |
| return deviceToPipeconf.get(deviceId); |
| } |
| |
| @Override |
| public Set<DeviceId> getDevices(PiPipeconfId pipeconfId) { |
| return pipeconfToDevices.get(pipeconfId); |
| } |
| |
| @Override |
| public void createOrUpdateBinding(DeviceId deviceId, PiPipeconfId pipeconfId) { |
| deviceToPipeconf.put(deviceId, pipeconfId); |
| } |
| |
| @Override |
| public void removeBinding(DeviceId deviceId) { |
| deviceToPipeconf.remove(deviceId); |
| } |
| |
| private class InternalPiPipeconfListener implements EventuallyConsistentMapListener<DeviceId, PiPipeconfId> { |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<DeviceId, PiPipeconfId> mapEvent) { |
| final PiPipeconfDeviceMappingEvent.Type type; |
| final DeviceId deviceId = mapEvent.key(); |
| final PiPipeconfId pipeconfId = mapEvent.value(); |
| switch (mapEvent.type()) { |
| case PUT: |
| type = PiPipeconfDeviceMappingEvent.Type.CREATED; |
| pipeconfToDevices.compute(pipeconfId, (pipeconf, devices) -> { |
| if (devices == null) { |
| devices = Sets.newConcurrentHashSet(); |
| } |
| devices.add(deviceId); |
| return devices; |
| }); |
| break; |
| case REMOVE: |
| type = PiPipeconfDeviceMappingEvent.Type.REMOVED; |
| pipeconfToDevices.computeIfPresent(pipeconfId, (pipeconf, devices) -> { |
| devices.remove(deviceId); |
| return devices; |
| }); |
| break; |
| default: |
| throw new IllegalArgumentException("Wrong event type " + mapEvent.type()); |
| } |
| notifyDelegate(new PiPipeconfDeviceMappingEvent(type, deviceId)); |
| } |
| } |
| } |