Lift route config access into its own component on top of the RouteService.
Also implement isValid for route config.
Change-Id: I5f4819ffa7c0e87e83407c3c30af7cf91d63c83b
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/routing/impl/ConfigurationRouteSource.java b/incubator/net/src/main/java/org/onosproject/incubator/net/routing/impl/ConfigurationRouteSource.java
new file mode 100644
index 0000000..6537bae
--- /dev/null
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/routing/impl/ConfigurationRouteSource.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2017-present 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.incubator.net.routing.impl;
+
+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.onosproject.core.ApplicationId;
+import org.onosproject.incubator.net.routing.Route;
+import org.onosproject.incubator.net.routing.RouteAdminService;
+import org.onosproject.incubator.net.routing.RouteConfig;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.basics.SubjectFactories;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Route source that installs static routes configured in the network configuration.
+ */
+@Component(immediate = true)
+public class ConfigurationRouteSource {
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected NetworkConfigRegistry netcfgRegistry;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected RouteAdminService routeService;
+
+ private final ConfigFactory<ApplicationId, RouteConfig> routeConfigFactory =
+ new ConfigFactory<ApplicationId, RouteConfig>(
+ SubjectFactories.APP_SUBJECT_FACTORY,
+ RouteConfig.class, "routes", true) {
+ @Override
+ public RouteConfig createConfig() {
+ return new RouteConfig();
+ }
+ };
+ private final InternalNetworkConfigListener netcfgListener =
+ new InternalNetworkConfigListener();
+
+ @Activate
+ protected void activate() {
+ netcfgRegistry.addListener(netcfgListener);
+ netcfgRegistry.registerConfigFactory(routeConfigFactory);
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ netcfgRegistry.removeListener(netcfgListener);
+ netcfgRegistry.unregisterConfigFactory(routeConfigFactory);
+ }
+
+ private void processRouteConfigAdded(NetworkConfigEvent event) {
+ Set<Route> routes = ((RouteConfig) event.config().get()).getRoutes();
+ routeService.update(routes);
+ }
+
+ private void processRouteConfigUpdated(NetworkConfigEvent event) {
+ Set<Route> routes = ((RouteConfig) event.config().get()).getRoutes();
+ Set<Route> prevRoutes = ((RouteConfig) event.prevConfig().get()).getRoutes();
+ Set<Route> pendingRemove = prevRoutes.stream()
+ .filter(prevRoute -> routes.stream()
+ .noneMatch(route -> route.prefix().equals(prevRoute.prefix())))
+ .collect(Collectors.toSet());
+ Set<Route> pendingUpdate = routes.stream()
+ .filter(route -> !pendingRemove.contains(route)).collect(Collectors.toSet());
+ routeService.update(pendingUpdate);
+ routeService.withdraw(pendingRemove);
+ }
+
+ private void processRouteConfigRemoved(NetworkConfigEvent event) {
+ Set<Route> prevRoutes = ((RouteConfig) event.prevConfig().get()).getRoutes();
+ routeService.withdraw(prevRoutes);
+ }
+
+ private class InternalNetworkConfigListener implements
+ NetworkConfigListener {
+ @Override
+ public void event(NetworkConfigEvent event) {
+ if (event.configClass().equals(RouteConfig.class)) {
+ switch (event.type()) {
+ case CONFIG_ADDED:
+ processRouteConfigAdded(event);
+ break;
+ case CONFIG_UPDATED:
+ processRouteConfigUpdated(event);
+ break;
+ case CONFIG_REMOVED:
+ processRouteConfigRemoved(event);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+}