diff options
Diffstat (limited to 'framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java')
| -rw-r--r-- | framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java new file mode 100644 index 00000000..244a5c03 --- /dev/null +++ b/framework/src/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java @@ -0,0 +1,235 @@ +/* + * 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.routerinterface.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.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.slf4j.Logger; + +import com.google.common.collect.Sets; + +/** + * Provides implementation of the Router interface service. + */ +@Component(immediate = true) +@Service +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_UNARY) + protected StorageService storageService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected CoreService coreService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected VirtualPortService virtualPortService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected SubnetService subnetService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + 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); + 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 (!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"); + } + 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)); + } +} |