diff options
Diffstat (limited to 'framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java')
| -rw-r--r-- | framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java new file mode 100644 index 00000000..b796fd7b --- /dev/null +++ b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java @@ -0,0 +1,269 @@ +/* + * Copyright 2015 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.vtnrsc.router.impl; + +import static com.google.common.base.Preconditions.checkNotNull; +import static org.slf4j.LoggerFactory.getLogger; + +import java.util.Collection; +import java.util.Collections; +import java.util.Set; + +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.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.slf4j.Logger; + +import com.google.common.collect.Sets; + +/** + * Provides implementation of the Router service. + */ +@Component(immediate = true) +@Service +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_UNARY) + protected StorageService storageService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected CoreService coreService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected TenantNetworkService tenantNetworkService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected VirtualPortService virtualPortService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + 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); + 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)); + } +} |