[ONOS-2818] add implementation of RouterService api
Change-Id: Iea2ddbc8a5de66aa091d63fdbb506bc6f0a23f05
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java
new file mode 100644
index 0000000..7bfafed
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/RouterManager.java
@@ -0,0 +1,273 @@
+/*
+ * 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);
+ if (routers != 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);
+ if (routerIds != 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));
+ }
+}
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/package-info.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/impl/package-info.java
new file mode 100644
index 0000000..1254f98
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/router/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 Router service.
+ */
+package org.onosproject.vtnrsc.router.impl;