--- /dev/null
+/*
+ * 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 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.INeutronFirewallPolicyCRUD;
+import org.opendaylight.controller.networkconfig.neutron.NeutronFirewallPolicy;
+import org.opendaylight.controller.sal.utils.IObjectReader;
+import org.opendaylight.controller.sal.utils.Status;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+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.List;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+
+public class NeutronFirewallPolicyInterface implements INeutronFirewallPolicyCRUD, IConfigurationContainerAware, IObjectReader {
+ private static final Logger logger = LoggerFactory.getLogger(NeutronFirewallPolicyInterface.class);
+ private static final String FILE_NAME ="neutron.firewallpolicy.conf";
+ private String containerName = null;
+
+ private IClusterContainerServices clusterContainerService = null;
+ private IConfigurationContainerService configurationService;
+ private ConcurrentMap<String, NeutronFirewallPolicy> firewallPolicyDB;
+
+ // 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 Firewall Rule");
+ try {
+ // neutron caches
+ this.clusterContainerService.createCache("neutronFirewallPolicies",
+ EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));
+ } catch (CacheConfigException cce) {
+ logger.error("Cache couldn't be created for Neutron Firewall Rule - check cache mode");
+ } catch (CacheExistException cce) {
+ logger.error("Cache for Neutron Firewall Rule already exists, destroy and recreate");
+ }
+ logger.debug("Cache successfully created for Neutron Firewall Rule");
+ }
+
+ @SuppressWarnings({ "unchecked" })
+ private void retrieveCache() {
+ if (clusterContainerService == null) {
+ logger.error("un-initialized clusterContainerService, can't retrieve cache");
+ return;
+ }
+
+ logger.debug("Retrieving cache for Neutron Firewall Rule");
+ firewallPolicyDB = (ConcurrentMap<String, NeutronFirewallPolicy>) clusterContainerService
+ .getCache("neutronFirewallPolicies");
+ if (firewallPolicyDB == null) {
+ logger.error("Cache couldn't be retrieved for Neutron Firewall Rule");
+ }
+ logger.debug("Cache was successfully retrieved for Neutron Firewall Rule");
+ }
+
+ private void destroyCache() {
+ if (clusterContainerService == null) {
+ logger.error("un-initialized clusterMger, can't destroy cache");
+ return;
+ }
+ logger.debug("Destroying Cache for HostTracker");
+ clusterContainerService.destroyCache("neutronFirewallPolicies");
+ }
+
+ 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 neutronFirewallPolicyExists(String uuid) {
+ return firewallPolicyDB.containsKey(uuid);
+ }
+
+ @Override
+ public NeutronFirewallPolicy getNeutronFirewallPolicy(String uuid) {
+ if (!neutronFirewallPolicyExists(uuid)) {
+ logger.debug("No Firewall Rule Have Been Defined");
+ return null;
+ }
+ return firewallPolicyDB.get(uuid);
+ }
+
+ @Override
+ public List<NeutronFirewallPolicy> getAllNeutronFirewallPolicies() {
+ Set<NeutronFirewallPolicy> allFirewallPolicies = new HashSet<NeutronFirewallPolicy>();
+ for (Entry<String, NeutronFirewallPolicy> entry : firewallPolicyDB.entrySet()) {
+ NeutronFirewallPolicy firewallPolicy = entry.getValue();
+ allFirewallPolicies.add(firewallPolicy);
+ }
+ logger.debug("Exiting getFirewallPolicies, Found {} OpenStackFirewallPolicy", allFirewallPolicies.size());
+ List<NeutronFirewallPolicy> ans = new ArrayList<NeutronFirewallPolicy>();
+ ans.addAll(allFirewallPolicies);
+ return ans;
+ }
+
+ @Override
+ public boolean addNeutronFirewallPolicy(NeutronFirewallPolicy input) {
+ if (neutronFirewallPolicyExists(input.getFirewallPolicyUUID())) {
+ return false;
+ }
+ firewallPolicyDB.putIfAbsent(input.getFirewallPolicyUUID(), input);
+ return true;
+ }
+
+ @Override
+ public boolean removeNeutronFirewallPolicy(String uuid) {
+ if (!neutronFirewallPolicyExists(uuid)) {
+ return false;
+ }
+ firewallPolicyDB.remove(uuid);
+ return true;
+ }
+
+ @Override
+ public boolean updateNeutronFirewallPolicy(String uuid, NeutronFirewallPolicy delta) {
+ if (!neutronFirewallPolicyExists(uuid)) {
+ return false;
+ }
+ NeutronFirewallPolicy target = firewallPolicyDB.get(uuid);
+ return overwrite(target, delta);
+ }
+
+ @Override
+ public boolean neutronFirewallPolicyInUse(String firewallPolicyUUID) {
+ return !neutronFirewallPolicyExists(firewallPolicyUUID);
+ }
+
+ private void loadConfiguration() {
+ for (ConfigurationObject conf : configurationService.retrieveConfiguration(this, FILE_NAME)) {
+ NeutronFirewallPolicy nn = (NeutronFirewallPolicy) conf;
+ firewallPolicyDB.put(nn.getFirewallPolicyUUID(), nn);
+ }
+ }
+
+ @Override
+ public Status saveConfiguration() {
+ return configurationService.persistConfiguration(new ArrayList<ConfigurationObject>(firewallPolicyDB.values()),
+ FILE_NAME);
+ }
+
+ @Override
+ public Object readObject(ObjectInputStream ois) throws FileNotFoundException, IOException, ClassNotFoundException {
+ return ois.readObject();
+ }
+
+}
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Code Review / controller.git / blobdiff