X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fnetworkconfiguration%2Fneutron%2Fimplementation%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetworkconfig%2Fneutron%2Fimplementation%2FNeutronSecurityRuleInterface.java;fp=opendaylight%2Fnetworkconfiguration%2Fneutron%2Fimplementation%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetworkconfig%2Fneutron%2Fimplementation%2FNeutronSecurityRuleInterface.java;h=5ca907b2b3666cc68a8151e05d1b70113b6c4598;hb=e21c4dbc23761ee73360dabbd196428167388c05;hp=0000000000000000000000000000000000000000;hpb=a31a4448ea6665317f4af41ae26d804829418c04;p=controller.git diff --git a/opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronSecurityRuleInterface.java b/opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronSecurityRuleInterface.java new file mode 100644 index 0000000000..5ca907b2b3 --- /dev/null +++ b/opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronSecurityRuleInterface.java @@ -0,0 +1,265 @@ +/* + * Copyright (C) 2014 Red Hat, Inc. + * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + * + */ + +package org.opendaylight.controller.networkconfig.neutron.implementation; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.Dictionary; +import java.util.EnumSet; +import java.util.HashSet; +import java.util.Map.Entry; +import java.util.List; +import java.util.Set; +import java.util.concurrent.ConcurrentMap; + +import org.apache.felix.dm.Component; +import org.opendaylight.controller.clustering.services.CacheConfigException; +import org.opendaylight.controller.clustering.services.CacheExistException; +import org.opendaylight.controller.clustering.services.IClusterContainerServices; +import org.opendaylight.controller.clustering.services.IClusterServices; +import org.opendaylight.controller.configuration.ConfigurationObject; +import org.opendaylight.controller.configuration.IConfigurationContainerAware; +import org.opendaylight.controller.configuration.IConfigurationContainerService; +import org.opendaylight.controller.networkconfig.neutron.INeutronSecurityRuleCRUD; +import org.opendaylight.controller.networkconfig.neutron.NeutronSecurityRule; +import org.opendaylight.controller.sal.utils.IObjectReader; +import org.opendaylight.controller.sal.utils.Status; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public class NeutronSecurityRuleInterface implements INeutronSecurityRuleCRUD, IConfigurationContainerAware, IObjectReader { + private static final Logger logger = LoggerFactory.getLogger(NeutronSecurityRuleInterface.class); + private static final String FILE_NAME = "neutron.securityrule.conf"; + private String containerName = null; + + private IClusterContainerServices clusterContainerService = null; + private IConfigurationContainerService configurationService; + private ConcurrentMap securityRuleDB; + + // methods needed for creating caches + void setClusterContainerService(IClusterContainerServices s) { + logger.debug("Cluster Service set"); + clusterContainerService = s; + } + + void unsetClusterContainerService(IClusterContainerServices s) { + if (clusterContainerService == s) { + logger.debug("Cluster Service removed!"); + clusterContainerService = null; + } + } + + public void setConfigurationContainerService(IConfigurationContainerService service) { + logger.trace("Configuration service set: {}", service); + configurationService = service; + } + + public void unsetConfigurationContainerService(IConfigurationContainerService service) { + logger.trace("Configuration service removed: {}", service); + configurationService = null; + } + + private void allocateCache() { + if (this.clusterContainerService == null) { + logger.error("un-initialized clusterContainerService, can't create cache"); + return; + } + logger.debug("Creating Cache for Neutron Security Rules"); + try { + // neutron caches + this.clusterContainerService.createCache("neutronSecurityRules", + EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL)); + } catch (CacheConfigException cce) { + logger.error("Cache couldn't be created for Neutron Security Rules - check cache mode"); + } catch (CacheExistException cce) { + logger.error("Cache for Neutron Security Rules already exists, destroy and recreate"); + } + logger.debug("Cache successfully created for Neutron Security Rules"); + } + + @SuppressWarnings({"unchecked"}) + private void retrieveCache() { + if (clusterContainerService == null) { + logger.error("un-initialized clusterContainerService, can't retrieve cache"); + return; + } + + logger.debug("Retrieving cache for Neutron Security Rules"); + securityRuleDB = (ConcurrentMap) clusterContainerService + .getCache("neutronSecurityRules"); + if (securityRuleDB == null) { + logger.error("Cache couldn't be retrieved for Neutron Security Rules"); + } + logger.debug("Cache was successfully retrieved for Neutron Security Rules"); + } + + private void destroyCache() { + if (clusterContainerService == null) { + logger.error("un-initialized clusterMger, can't destroy cache"); + return; + } + logger.debug("Destroying Cache for Neutron Security Rules"); + clusterContainerService.destroyCache("neutronSecurityRules"); + } + + private void startUp() { + allocateCache(); + retrieveCache(); + loadConfiguration(); + } + + /** + * Function called by the dependency manager when all the required + * dependencies are satisfied + */ + void init(Component c) { + Dictionary props = c.getServiceProperties(); + if (props != null) { + this.containerName = (String) props.get("containerName"); + logger.debug("Running containerName: {}", this.containerName); + } else { + // In the Global instance case the containerName is empty + this.containerName = ""; + } + startUp(); + } + + /** + * Function called by the dependency manager when at least one dependency + * become unsatisfied or when the component is shutting down because for + * example bundle is being stopped. + */ + void destroy() { + destroyCache(); + } + + /** + * Function called by dependency manager after "init ()" is called and after + * the services provided by the class are registered in the service registry + */ + void start() { + } + + /** + * Function called by the dependency manager before the services exported by + * the component are unregistered, this will be followed by a "destroy ()" + * calls + */ + void stop() { + } + + // this method uses reflection to update an object from it's delta. + private boolean overwrite(Object target, Object delta) { + Method[] methods = target.getClass().getMethods(); + + for (Method toMethod : methods) { + if (toMethod.getDeclaringClass().equals(target.getClass()) + && toMethod.getName().startsWith("set")) { + + String toName = toMethod.getName(); + String fromName = toName.replace("set", "get"); + + try { + Method fromMethod = delta.getClass().getMethod(fromName); + Object value = fromMethod.invoke(delta, (Object[]) null); + if (value != null) { + toMethod.invoke(target, value); + } + } catch (Exception e) { + e.printStackTrace(); + return false; + } + } + } + return true; + } + + @Override + public boolean neutronSecurityRuleExists(String uuid) { + return securityRuleDB.containsKey(uuid); + } + + @Override + public NeutronSecurityRule getNeutronSecurityRule(String uuid) { + if (!neutronSecurityRuleExists(uuid)) { + logger.debug("No Security Rules Have Been Defined"); + return null; + } + return securityRuleDB.get(uuid); + } + + @Override + public List getAllNeutronSecurityRules() { + Set allSecurityRules = new HashSet(); + for (Entry entry : securityRuleDB.entrySet()) { + NeutronSecurityRule securityRule = entry.getValue(); + allSecurityRules.add(securityRule); + } + logger.debug("Exiting getSecurityRule, Found {} OpenStackSecurityRule", allSecurityRules.size()); + List ans = new ArrayList(); + ans.addAll(allSecurityRules); + return ans; + } + + @Override + public boolean addNeutronSecurityRule(NeutronSecurityRule input) { + if (neutronSecurityRuleExists(input.getSecurityRuleUUID())) { + return false; + } + securityRuleDB.putIfAbsent(input.getSecurityRuleUUID(), input); + return true; + } + + @Override + public boolean removeNeutronSecurityRule(String uuid) { + if (!neutronSecurityRuleExists(uuid)) { + return false; + } + securityRuleDB.remove(uuid); + return true; + } + + @Override + public boolean updateNeutronSecurityRule(String uuid, NeutronSecurityRule delta) { + if (!neutronSecurityRuleExists(uuid)) { + return false; + } + NeutronSecurityRule target = securityRuleDB.get(uuid); + return overwrite(target, delta); + } + + @Override + public boolean neutronSecurityRuleInUse(String securityRuleUUID) { + return !neutronSecurityRuleExists(securityRuleUUID); + } + + private void loadConfiguration() { + for (ConfigurationObject conf : configurationService.retrieveConfiguration(this, FILE_NAME)) { + NeutronSecurityRule nn = (NeutronSecurityRule) conf; + securityRuleDB.put(nn.getSecurityRuleUUID(), nn); + } + } + + @Override + public Status saveConfiguration() { + return configurationService.persistConfiguration(new ArrayList(securityRuleDB.values()), + FILE_NAME); + } + + @Override + public Object readObject(ObjectInputStream ois) throws FileNotFoundException, IOException, ClassNotFoundException { + return ois.readObject(); + } + +} \ No newline at end of file