[ONOS-2819] add implementation of routerInterfaceService api
Change-Id: I65febe22acb199f20989a2b5bdac00d8fe69c2bc
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/RouterInterfaceManager.java
new file mode 100644
index 0000000..244a5c0
--- /dev/null
+++ b/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));
+ }
+}
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/package-info.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/package-info.java
new file mode 100644
index 0000000..71db9dc
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/routerinterface/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Provides implementation of the RouterInterface service.
+ */
+package org.onosproject.vtnrsc.routerinterface.impl;