| /* |
| * Copyright 2016-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.net.region.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| 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.onosproject.cluster.NodeId; |
| import org.onosproject.event.AbstractListenerManager; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.region.Region; |
| import org.onosproject.net.region.RegionAdminService; |
| import org.onosproject.net.region.RegionEvent; |
| import org.onosproject.net.region.RegionId; |
| import org.onosproject.net.region.RegionListener; |
| import org.onosproject.net.region.RegionService; |
| import org.onosproject.net.region.RegionStore; |
| import org.onosproject.net.region.RegionStoreDelegate; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| import static com.google.common.collect.ImmutableList.of; |
| import static org.slf4j.LoggerFactory.getLogger; |
| import static org.onosproject.security.AppGuard.checkPermission; |
| import static org.onosproject.security.AppPermission.Type.REGION_READ; |
| |
| /** |
| * Provides implementation of the region service APIs. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class RegionManager extends AbstractListenerManager<RegionEvent, RegionListener> |
| implements RegionAdminService, RegionService { |
| |
| private static final String REGION_ID_NULL = "Region ID cannot be null"; |
| private static final String REGION_TYPE_NULL = "Region type cannot be null"; |
| private static final String DEVICE_ID_NULL = "Device ID cannot be null"; |
| private static final String DEVICE_IDS_NULL = "Device IDs cannot be null"; |
| private static final String DEVICE_IDS_EMPTY = "Device IDs cannot be empty"; |
| private static final String NAME_NULL = "Name cannot be null"; |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private RegionStoreDelegate delegate = this::post; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected RegionStore store; |
| |
| @Activate |
| public void activate() { |
| store.setDelegate(delegate); |
| eventDispatcher.addSink(RegionEvent.class, listenerRegistry); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| store.unsetDelegate(delegate); |
| eventDispatcher.removeSink(RegionEvent.class); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Region createRegion(RegionId regionId, String name, Region.Type type, |
| List<Set<NodeId>> masterNodeIds) { |
| checkNotNull(regionId, REGION_ID_NULL); |
| checkNotNull(name, NAME_NULL); |
| checkNotNull(name, REGION_TYPE_NULL); |
| return store.createRegion(regionId, name, type, masterNodeIds == null ? of() : masterNodeIds); |
| } |
| |
| @Override |
| public Region updateRegion(RegionId regionId, String name, Region.Type type, |
| List<Set<NodeId>> masterNodeIds) { |
| checkNotNull(regionId, REGION_ID_NULL); |
| checkNotNull(name, NAME_NULL); |
| checkNotNull(name, REGION_TYPE_NULL); |
| return store.updateRegion(regionId, name, type, masterNodeIds == null ? of() : masterNodeIds); |
| } |
| |
| @Override |
| public void removeRegion(RegionId regionId) { |
| checkNotNull(regionId, REGION_ID_NULL); |
| store.removeRegion(regionId); |
| } |
| |
| @Override |
| public void addDevices(RegionId regionId, Collection<DeviceId> deviceIds) { |
| checkNotNull(regionId, REGION_ID_NULL); |
| checkNotNull(deviceIds, DEVICE_IDS_NULL); |
| checkState(!deviceIds.isEmpty(), DEVICE_IDS_EMPTY); |
| store.addDevices(regionId, deviceIds); |
| } |
| |
| @Override |
| public void removeDevices(RegionId regionId, Collection<DeviceId> deviceIds) { |
| checkNotNull(regionId, REGION_ID_NULL); |
| checkNotNull(deviceIds, DEVICE_IDS_NULL); |
| checkState(!deviceIds.isEmpty(), DEVICE_IDS_EMPTY); |
| store.removeDevices(regionId, deviceIds); |
| } |
| |
| @Override |
| public Set<Region> getRegions() { |
| checkPermission(REGION_READ); |
| return store.getRegions(); |
| } |
| |
| @Override |
| public Region getRegion(RegionId regionId) { |
| checkPermission(REGION_READ); |
| checkNotNull(regionId, REGION_ID_NULL); |
| return store.getRegion(regionId); |
| } |
| |
| @Override |
| public Region getRegionForDevice(DeviceId deviceId) { |
| checkPermission(REGION_READ); |
| checkNotNull(deviceId, DEVICE_ID_NULL); |
| return store.getRegionForDevice(deviceId); |
| } |
| |
| @Override |
| public Set<DeviceId> getRegionDevices(RegionId regionId) { |
| checkPermission(REGION_READ); |
| checkNotNull(regionId, REGION_ID_NULL); |
| return store.getRegionDevices(regionId); |
| } |
| |
| @Override |
| public Set<HostId> getRegionHosts(RegionId regionId) { |
| checkPermission(REGION_READ); |
| checkNotNull(regionId, REGION_ID_NULL); |
| // TODO: compute hosts from region devices |
| return ImmutableSet.of(); |
| } |
| |
| } |