| /* |
| * 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.routerinterface.impl; |
| |
| import com.google.common.collect.Sets; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| 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.StorageService; |
| import org.onosproject.store.service.WallClockTimestamp; |
| import org.onosproject.vtnrsc.RouterId; |
| import org.onosproject.vtnrsc.RouterInterface; |
| import org.onosproject.vtnrsc.SubnetId; |
| import org.onosproject.vtnrsc.TenantId; |
| import org.onosproject.vtnrsc.VirtualPortId; |
| import org.onosproject.vtnrsc.router.RouterService; |
| import org.onosproject.vtnrsc.routerinterface.RouterInterfaceEvent; |
| import org.onosproject.vtnrsc.routerinterface.RouterInterfaceListener; |
| import org.onosproject.vtnrsc.routerinterface.RouterInterfaceService; |
| import org.onosproject.vtnrsc.subnet.SubnetService; |
| import org.onosproject.vtnrsc.virtualport.VirtualPortService; |
| 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.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides implementation of the Router interface service. |
| */ |
| @Component(immediate = true, service = RouterInterfaceService.class) |
| public class RouterInterfaceManager implements RouterInterfaceService { |
| private static final String SUBNET_ID_NULL = "Subnet ID cannot be null"; |
| private static final String ROUTER_INTERFACE_NULL = "Router Interface cannot be null"; |
| private static final String ROUTER_INTERFACE = "vtn-router-interface-store"; |
| private static final String VTNRSC_APP = "org.onosproject.vtnrsc"; |
| private static final String LISTENER_NOT_NULL = "Listener cannot be null"; |
| private static final String EVENT_NOT_NULL = "event cannot be null"; |
| |
| private final Logger log = getLogger(getClass()); |
| private final Set<RouterInterfaceListener> listeners = Sets |
| .newCopyOnWriteArraySet(); |
| private EventuallyConsistentMapListener<SubnetId, RouterInterface> routerInterfaceListener = |
| new InnerRouterInterfaceStoreListener(); |
| protected EventuallyConsistentMap<SubnetId, RouterInterface> routerInterfaceStore; |
| protected ApplicationId appId; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected VirtualPortService virtualPortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected SubnetService subnetService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected RouterService routerService; |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication(VTNRSC_APP); |
| KryoNamespace.Builder serializer = KryoNamespace |
| .newBuilder() |
| .register(KryoNamespaces.API) |
| .register(RouterId.class, TenantId.class, VirtualPortId.class, |
| RouterInterface.class, SubnetId.class); |
| routerInterfaceStore = storageService |
| .<SubnetId, RouterInterface>eventuallyConsistentMapBuilder() |
| .withName(ROUTER_INTERFACE).withSerializer(serializer) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| .build(); |
| routerInterfaceStore.addListener(routerInterfaceListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| routerInterfaceStore.removeListener(routerInterfaceListener); |
| routerInterfaceStore.destroy(); |
| listeners.clear(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public boolean exists(SubnetId subnetId) { |
| checkNotNull(subnetId, SUBNET_ID_NULL); |
| return routerInterfaceStore.containsKey(subnetId); |
| } |
| |
| @Override |
| public Collection<RouterInterface> getRouterInterfaces() { |
| return Collections |
| .unmodifiableCollection(routerInterfaceStore.values()); |
| } |
| |
| @Override |
| public RouterInterface getRouterInterface(SubnetId subnetId) { |
| checkNotNull(subnetId, SUBNET_ID_NULL); |
| return routerInterfaceStore.get(subnetId); |
| } |
| |
| @Override |
| public boolean addRouterInterface(RouterInterface routerInterface) { |
| checkNotNull(routerInterface, ROUTER_INTERFACE_NULL); |
| if (!virtualPortService.exists(routerInterface.portId())) { |
| log.debug("The port ID of interface is not exist whose identifier is {}", |
| routerInterface.portId().toString()); |
| throw new IllegalArgumentException( |
| "port ID of interface doesn't exist"); |
| } |
| verifyRouterInterfaceData(routerInterface); |
| routerInterfaceStore.put(routerInterface.subnetId(), routerInterface); |
| if (!routerInterfaceStore.containsKey(routerInterface.subnetId())) { |
| log.debug("The router interface is created failed whose identifier is {}", |
| routerInterface.subnetId().toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removeRouterInterface(RouterInterface routerInterface) { |
| checkNotNull(routerInterface, ROUTER_INTERFACE_NULL); |
| if (!routerInterfaceStore.containsKey(routerInterface.subnetId())) { |
| log.debug("The router interface is not exist whose identifier is {}", |
| routerInterface.subnetId().toString()); |
| throw new IllegalArgumentException("subnet ID doesn't exist"); |
| } |
| verifyRouterInterfaceData(routerInterface); |
| routerInterfaceStore |
| .remove(routerInterface.subnetId(), routerInterface); |
| if (routerInterfaceStore.containsKey(routerInterface.subnetId())) { |
| log.debug("The router interface deleted is failed whose identifier is {}", |
| routerInterface.subnetId().toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public void addListener(RouterInterfaceListener listener) { |
| checkNotNull(listener, LISTENER_NOT_NULL); |
| listeners.add(listener); |
| } |
| |
| @Override |
| public void removeListener(RouterInterfaceListener listener) { |
| checkNotNull(listener, LISTENER_NOT_NULL); |
| listeners.remove(listener); |
| } |
| |
| /** |
| * Verifies validity of Router interface data. |
| * |
| * @param routers router instance |
| */ |
| private void verifyRouterInterfaceData(RouterInterface routerInterface) { |
| checkNotNull(routerInterface, ROUTER_INTERFACE_NULL); |
| if (!subnetService.exists(routerInterface.subnetId())) { |
| log.debug("The subnet ID of interface is not exist whose identifier is {}", |
| routerInterface.subnetId().toString()); |
| throw new IllegalArgumentException( |
| "subnet ID of interface doesn't exist"); |
| } |
| if (!routerService.exists(routerInterface.routerId())) { |
| log.debug("The router ID of interface is not exist whose identifier is {}", |
| routerInterface.routerId().toString()); |
| throw new IllegalArgumentException( |
| "router ID of interface doesn't exist"); |
| } |
| } |
| |
| private class InnerRouterInterfaceStoreListener |
| implements |
| EventuallyConsistentMapListener<SubnetId, RouterInterface> { |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<SubnetId, RouterInterface> event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| RouterInterface routerInterface = event.value(); |
| if (EventuallyConsistentMapEvent.Type.PUT == event.type()) { |
| notifyListeners(new RouterInterfaceEvent( |
| RouterInterfaceEvent.Type.ROUTER_INTERFACE_PUT, |
| routerInterface)); |
| } |
| if (EventuallyConsistentMapEvent.Type.REMOVE == event.type()) { |
| notifyListeners(new RouterInterfaceEvent( |
| RouterInterfaceEvent.Type.ROUTER_INTERFACE_DELETE, |
| routerInterface)); |
| } |
| } |
| } |
| |
| /** |
| * Notifies specify event to all listeners. |
| * |
| * @param event Floating IP event |
| */ |
| private void notifyListeners(RouterInterfaceEvent event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| listeners.forEach(listener -> listener.event(event)); |
| } |
| } |