| /* |
| * 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.router.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.DefaultRouter; |
| import org.onosproject.vtnrsc.FixedIp; |
| import org.onosproject.vtnrsc.Router; |
| import org.onosproject.vtnrsc.RouterGateway; |
| import org.onosproject.vtnrsc.RouterId; |
| import org.onosproject.vtnrsc.SubnetId; |
| import org.onosproject.vtnrsc.TenantId; |
| import org.onosproject.vtnrsc.TenantNetworkId; |
| import org.onosproject.vtnrsc.VirtualPortId; |
| import org.onosproject.vtnrsc.router.RouterEvent; |
| import org.onosproject.vtnrsc.router.RouterListener; |
| import org.onosproject.vtnrsc.router.RouterService; |
| import org.onosproject.vtnrsc.subnet.SubnetService; |
| import org.onosproject.vtnrsc.tenantnetwork.TenantNetworkService; |
| 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 service. |
| */ |
| @Component(immediate = true, service = RouterService.class) |
| public class RouterManager implements RouterService { |
| |
| private static final String ROUTER_ID_NULL = "Router ID cannot be null"; |
| private static final String ROUTER_NOT_NULL = "Router cannot be null"; |
| private static final String ROUTER = "vtn-router-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<RouterListener> listeners = Sets.newCopyOnWriteArraySet(); |
| private EventuallyConsistentMapListener<RouterId, Router> routerListener = new InnerRouterStoreListener(); |
| protected EventuallyConsistentMap<RouterId, Router> routerStore; |
| protected ApplicationId appId; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected TenantNetworkService tenantNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected VirtualPortService virtualPortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected SubnetService subnetService; |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication(VTNRSC_APP); |
| KryoNamespace.Builder serializer = KryoNamespace |
| .newBuilder() |
| .register(KryoNamespaces.API) |
| .register(Router.class, RouterId.class, DefaultRouter.class, |
| TenantNetworkId.class, TenantId.class, |
| VirtualPortId.class, DefaultRouter.class, |
| RouterGateway.class, Router.Status.class, |
| SubnetId.class, FixedIp.class); |
| routerStore = storageService |
| .<RouterId, Router>eventuallyConsistentMapBuilder() |
| .withName(ROUTER).withSerializer(serializer) |
| .withTimestampProvider((k, v) -> new WallClockTimestamp()) |
| .build(); |
| routerStore.addListener(routerListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| routerStore.removeListener(routerListener); |
| routerStore.destroy(); |
| listeners.clear(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public boolean exists(RouterId routerId) { |
| checkNotNull(routerId, ROUTER_ID_NULL); |
| return routerStore.containsKey(routerId); |
| } |
| |
| @Override |
| public Collection<Router> getRouters() { |
| return Collections.unmodifiableCollection(routerStore.values()); |
| } |
| |
| @Override |
| public Router getRouter(RouterId routerId) { |
| checkNotNull(routerId, ROUTER_ID_NULL); |
| return routerStore.get(routerId); |
| } |
| |
| @Override |
| public boolean createRouters(Collection<Router> routers) { |
| checkNotNull(routers, ROUTER_NOT_NULL); |
| for (Router router : routers) { |
| verifyRouterData(router); |
| routerStore.put(router.id(), router); |
| if (!routerStore.containsKey(router.id())) { |
| log.debug("The router is created failed whose identifier is {}", |
| router.id().toString()); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean updateRouters(Collection<Router> routers) { |
| checkNotNull(routers, ROUTER_NOT_NULL); |
| for (Router router : routers) { |
| if (!routerStore.containsKey(router.id())) { |
| log.debug("The routers is not exist whose identifier is {}", |
| router.id().toString()); |
| throw new IllegalArgumentException( |
| "routers ID doesn't exist"); |
| } |
| verifyRouterData(router); |
| routerStore.put(router.id(), router); |
| if (!router.equals(routerStore.get(router.id()))) { |
| log.debug("The router is updated failed whose identifier is {}", |
| router.id().toString()); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean removeRouters(Collection<RouterId> routerIds) { |
| checkNotNull(routerIds, ROUTER_ID_NULL); |
| for (RouterId routerId : routerIds) { |
| if (!routerStore.containsKey(routerId)) { |
| log.debug("The router is not exist whose identifier is {}", |
| routerId.toString()); |
| throw new IllegalArgumentException( |
| "router ID doesn't exist"); |
| } |
| Router router = routerStore.get(routerId); |
| routerStore.remove(routerId, router); |
| if (routerStore.containsKey(routerId)) { |
| log.debug("The router deleted is failed whose identifier is {}", |
| routerId.toString()); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void addListener(RouterListener listener) { |
| checkNotNull(listener, LISTENER_NOT_NULL); |
| listeners.add(listener); |
| } |
| |
| @Override |
| public void removeListener(RouterListener listener) { |
| checkNotNull(listener, LISTENER_NOT_NULL); |
| listeners.remove(listener); |
| } |
| |
| /** |
| * Verifies validity of Router data. |
| * |
| * @param routers router instance |
| */ |
| private void verifyRouterData(Router routers) { |
| checkNotNull(routers, ROUTER_NOT_NULL); |
| if (routers.gatewayPortid() != null |
| && !virtualPortService.exists(routers.gatewayPortid())) { |
| log.debug("The gateway port ID is not exist whose identifier is {}", |
| routers.gatewayPortid().toString()); |
| throw new IllegalArgumentException("gateway port ID doesn't exist"); |
| } |
| |
| if (routers.externalGatewayInfo() != null) { |
| RouterGateway routerGateway = routers.externalGatewayInfo(); |
| if (!tenantNetworkService.exists(routerGateway.networkId())) { |
| log.debug("The network ID of gateway info is not exist whose identifier is {}", |
| routers.id().toString()); |
| throw new IllegalArgumentException( |
| "network ID of gateway info doesn't exist"); |
| } |
| Iterable<FixedIp> fixedIps = routerGateway.externalFixedIps(); |
| for (FixedIp fixedIp : fixedIps) { |
| if (!subnetService.exists(fixedIp.subnetId())) { |
| log.debug("The subnet ID of gateway info is not exist whose identifier is {}", |
| routers.id().toString()); |
| throw new IllegalArgumentException( |
| "subnet ID of gateway info doesn't exist"); |
| } |
| } |
| } |
| } |
| |
| private class InnerRouterStoreListener |
| implements EventuallyConsistentMapListener<RouterId, Router> { |
| |
| @Override |
| public void event(EventuallyConsistentMapEvent<RouterId, Router> event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| Router router = event.value(); |
| if (EventuallyConsistentMapEvent.Type.PUT == event.type()) { |
| notifyListeners(new RouterEvent(RouterEvent.Type.ROUTER_PUT, |
| router)); |
| } |
| if (EventuallyConsistentMapEvent.Type.REMOVE == event.type()) { |
| notifyListeners(new RouterEvent(RouterEvent.Type.ROUTER_DELETE, |
| router)); |
| } |
| } |
| } |
| |
| /** |
| * Notifies specify event to all listeners. |
| * |
| * @param event Floating IP event |
| */ |
| private void notifyListeners(RouterEvent event) { |
| checkNotNull(event, EVENT_NOT_NULL); |
| listeners.forEach(listener -> listener.event(event)); |
| } |
| } |