--- /dev/null
+/*\r
+ * Copyright IBM Corporation, 2013. All rights reserved.\r
+ *\r
+ * This program and the accompanying materials are made available under the\r
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
+ * and is available at http://www.eclipse.org/legal/epl-v10.html\r
+ */\r
+\r
+package org.opendaylight.controller.networkconfig.neutron.implementation;\r
+\r
+import java.lang.reflect.Method;\r
+import java.util.ArrayList;\r
+import java.util.Dictionary;\r
+import java.util.EnumSet;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Set;\r
+import java.util.Map.Entry;\r
+import java.util.concurrent.ConcurrentMap;\r
+\r
+import org.apache.felix.dm.Component;\r
+import org.opendaylight.controller.clustering.services.CacheConfigException;\r
+import org.opendaylight.controller.clustering.services.CacheExistException;\r
+import org.opendaylight.controller.clustering.services.IClusterContainerServices;\r
+import org.opendaylight.controller.clustering.services.IClusterServices;\r
+import org.opendaylight.controller.networkconfig.neutron.INeutronRouterCRUD;\r
+import org.opendaylight.controller.networkconfig.neutron.NeutronRouter;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+\r
+public class NeutronRouterInterface implements INeutronRouterCRUD {\r
+ private static final Logger logger = LoggerFactory.getLogger(NeutronRouterInterface.class);\r
+ private String containerName = null;\r
+\r
+ private IClusterContainerServices clusterContainerService = null;\r
+ private ConcurrentMap<String, NeutronRouter> routerDB;\r
+ // methods needed for creating caches\r
+\r
+ void setClusterContainerService(IClusterContainerServices s) {\r
+ logger.debug("Cluster Service set");\r
+ this.clusterContainerService = s;\r
+ }\r
+\r
+ void unsetClusterContainerService(IClusterContainerServices s) {\r
+ if (this.clusterContainerService == s) {\r
+ logger.debug("Cluster Service removed!");\r
+ this.clusterContainerService = null;\r
+ }\r
+ }\r
+\r
+ @SuppressWarnings("deprecation")\r
+ private void allocateCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterContainerService, can't create cache");\r
+ return;\r
+ }\r
+ logger.debug("Creating Cache for Neutron Routers");\r
+ try {\r
+ // neutron caches\r
+ this.clusterContainerService.createCache("neutronRouters",\r
+ EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));\r
+ } catch (CacheConfigException cce) {\r
+ logger.error("Cache couldn't be created for Neutron Routers - check cache mode");\r
+ } catch (CacheExistException cce) {\r
+ logger.error("Cache for Neutron Routers already exists, destroy and recreate");\r
+ }\r
+ logger.debug("Cache successfully created for Neutron Routers");\r
+ }\r
+\r
+ @SuppressWarnings({ "unchecked", "deprecation" })\r
+ private void retrieveCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterContainerService, can't retrieve cache");\r
+ return;\r
+ }\r
+\r
+ logger.debug("Retrieving cache for Neutron Routers");\r
+ routerDB = (ConcurrentMap<String, NeutronRouter>) this.clusterContainerService\r
+ .getCache("neutronRouters");\r
+ if (routerDB == null) {\r
+ logger.error("Cache couldn't be retrieved for Neutron Routers");\r
+ }\r
+ logger.debug("Cache was successfully retrieved for Neutron Routers");\r
+ }\r
+\r
+ @SuppressWarnings("deprecation")\r
+ private void destroyCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterMger, can't destroy cache");\r
+ return;\r
+ }\r
+ logger.debug("Destroying Cache for HostTracker");\r
+ this.clusterContainerService.destroyCache("neutronRouters");\r
+ }\r
+\r
+ private void startUp() {\r
+ allocateCache();\r
+ retrieveCache();\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager when all the required\r
+ * dependencies are satisfied\r
+ *\r
+ */\r
+ void init(Component c) {\r
+ Dictionary<?, ?> props = c.getServiceProperties();\r
+ if (props != null) {\r
+ this.containerName = (String) props.get("containerName");\r
+ logger.debug("Running containerName: {}", this.containerName);\r
+ } else {\r
+ // In the Global instance case the containerName is empty\r
+ this.containerName = "";\r
+ }\r
+ startUp();\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager when at least one dependency\r
+ * become unsatisfied or when the component is shutting down because for\r
+ * example bundle is being stopped.\r
+ *\r
+ */\r
+ void destroy() {\r
+ destroyCache();\r
+ }\r
+\r
+ /**\r
+ * Function called by dependency manager after "init ()" is called and after\r
+ * the services provided by the class are registered in the service registry\r
+ *\r
+ */\r
+ void start() {\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager before the services exported by\r
+ * the component are unregistered, this will be followed by a "destroy ()"\r
+ * calls\r
+ *\r
+ */\r
+ void stop() {\r
+ }\r
+\r
+ // this method uses reflection to update an object from it's delta.\r
+\r
+ private boolean overwrite(Object target, Object delta) {\r
+ Method[] methods = target.getClass().getMethods();\r
+\r
+ for(Method toMethod: methods){\r
+ if(toMethod.getDeclaringClass().equals(target.getClass())\r
+ && toMethod.getName().startsWith("set")){\r
+\r
+ String toName = toMethod.getName();\r
+ String fromName = toName.replace("set", "get");\r
+\r
+ try {\r
+ Method fromMethod = delta.getClass().getMethod(fromName);\r
+ Object value = fromMethod.invoke(delta, (Object[])null);\r
+ if(value != null){\r
+ toMethod.invoke(target, value);\r
+ }\r
+ } catch (Exception e) {\r
+ e.printStackTrace();\r
+ return false;\r
+ }\r
+ }\r
+ }\r
+ return true;\r
+ }\r
+\r
+\r
+ // IfNBRouterCRUD Interface methods\r
+\r
+ public boolean routerExists(String uuid) {\r
+ return routerDB.containsKey(uuid);\r
+ }\r
+\r
+ public NeutronRouter getRouter(String uuid) {\r
+ if (!routerExists(uuid))\r
+ return null;\r
+ return routerDB.get(uuid);\r
+ }\r
+\r
+ public List<NeutronRouter> getAllRouters() {\r
+ Set<NeutronRouter> allRouters = new HashSet<NeutronRouter>();\r
+ for (Entry<String, NeutronRouter> entry : routerDB.entrySet()) {\r
+ NeutronRouter router = entry.getValue();\r
+ allRouters.add(router);\r
+ }\r
+ logger.debug("Exiting getAllRouters, Found {} Routers", allRouters.size());\r
+ List<NeutronRouter> ans = new ArrayList<NeutronRouter>();\r
+ ans.addAll(allRouters);\r
+ return ans;\r
+ }\r
+\r
+ public boolean addRouter(NeutronRouter input) {\r
+ if (routerExists(input.getID()))\r
+ return false;\r
+ routerDB.putIfAbsent(input.getID(), input);\r
+ return true;\r
+ }\r
+\r
+ public boolean removeRouter(String uuid) {\r
+ if (!routerExists(uuid))\r
+ return false;\r
+ routerDB.remove(uuid);\r
+ return true;\r
+ }\r
+\r
+ public boolean updateRouter(String uuid, NeutronRouter delta) {\r
+ if (!routerExists(uuid))\r
+ return false;\r
+ NeutronRouter target = routerDB.get(uuid);\r
+ return overwrite(target, delta);\r
+ }\r
+\r
+ public boolean routerInUse(String routerUUID) {\r
+ if (!routerExists(routerUUID))\r
+ return true;\r
+ NeutronRouter target = routerDB.get(routerUUID);\r
+ return (target.getInterfaces().size() > 0);\r
+ }\r
+}\r
Code Review / controller.git / blobdiff