2 * Copyright (C) 2014 Red Hat, Inc.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.networkconfig.neutron.implementation;
11 import org.apache.felix.dm.Component;
12 import org.opendaylight.controller.clustering.services.CacheConfigException;
13 import org.opendaylight.controller.clustering.services.CacheExistException;
14 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
15 import org.opendaylight.controller.clustering.services.IClusterServices;
16 import org.opendaylight.controller.configuration.ConfigurationObject;
17 import org.opendaylight.controller.configuration.IConfigurationContainerAware;
18 import org.opendaylight.controller.configuration.IConfigurationContainerService;
19 import org.opendaylight.controller.networkconfig.neutron.INeutronLoadBalancerPoolMemberCRUD;
20 import org.opendaylight.controller.networkconfig.neutron.NeutronLoadBalancerPoolMember;
21 import org.opendaylight.controller.sal.utils.IObjectReader;
22 import org.opendaylight.controller.sal.utils.Status;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 import java.io.FileNotFoundException;
27 import java.io.IOException;
28 import java.io.ObjectInputStream;
29 import java.lang.reflect.Method;
30 import java.util.ArrayList;
31 import java.util.Dictionary;
32 import java.util.EnumSet;
33 import java.util.HashSet;
34 import java.util.List;
37 import java.util.concurrent.ConcurrentMap;
39 public class NeutronLoadBalancerPoolMemberInterface
40 implements INeutronLoadBalancerPoolMemberCRUD, IConfigurationContainerAware,
42 private static final Logger logger = LoggerFactory.getLogger(NeutronLoadBalancerPoolMemberInterface.class);
43 private static final String FILE_NAME = "neutron.loadBalancerPoolMember.conf";
44 private String containerName = null;
46 private IClusterContainerServices clusterContainerService = null;
47 private IConfigurationContainerService configurationService;
48 private ConcurrentMap<String, NeutronLoadBalancerPoolMember> loadBalancerPoolMemberDB;
50 // methods needed for creating caches
51 void setClusterContainerService(IClusterContainerServices s) {
52 logger.debug("Cluster Service set");
53 clusterContainerService = s;
56 void unsetClusterContainerService(IClusterContainerServices s) {
57 if (clusterContainerService == s) {
58 logger.debug("Cluster Service removed!");
59 clusterContainerService = null;
63 public void setConfigurationContainerService(IConfigurationContainerService service) {
64 logger.trace("Configuration service set: {}", service);
65 configurationService = service;
68 public void unsetConfigurationContainerService(IConfigurationContainerService service) {
69 logger.trace("Configuration service removed: {}", service);
70 configurationService = null;
73 private void allocateCache() {
74 if (this.clusterContainerService == null) {
75 logger.error("un-initialized clusterContainerService, can't create cache");
78 logger.debug("Creating Cache for Neutron LoadBalancerPoolMember");
81 this.clusterContainerService.createCache("neutronLoadBalancerPoolMembers",
82 EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));
83 } catch(CacheConfigException cce) {
84 logger.error("Cache couldn't be created for Neutron LoadBalancerPoolMember - check cache mode");
85 } catch(CacheExistException cce) {
86 logger.error("Cache for Neutron LoadBalancerPoolMember already exists, destroy and recreate");
88 logger.debug("Cache successfully created for Neutron LoadBalancerPoolMember");
91 @SuppressWarnings({"unchecked"})
92 private void retrieveCache() {
93 if (clusterContainerService == null) {
94 logger.error("un-initialized clusterContainerService, can't retrieve cache");
98 logger.debug("Retrieving cache for Neutron LoadBalancerPoolMember");
99 loadBalancerPoolMemberDB = (ConcurrentMap<String, NeutronLoadBalancerPoolMember>) clusterContainerService
100 .getCache("neutronLoadBalancerPoolMembers");
101 if (loadBalancerPoolMemberDB == null) {
102 logger.error("Cache couldn't be retrieved for Neutron LoadBalancerPoolMember");
104 logger.debug("Cache was successfully retrieved for Neutron LoadBalancerPoolMember");
107 private void destroyCache() {
108 if (clusterContainerService == null) {
109 logger.error("un-initialized clusterMger, can't destroy cache");
112 logger.debug("Destroying Cache for HostTracker");
113 clusterContainerService.destroyCache("neutronLoadBalancerPoolMembers");
116 private void startUp() {
123 * Function called by the dependency manager when all the required
124 * dependencies are satisfied
126 void init(Component c) {
127 Dictionary<?, ?> props = c.getServiceProperties();
129 this.containerName = (String) props.get("containerName");
130 logger.debug("Running containerName: {}", this.containerName);
132 // In the Global instance case the containerName is empty
133 this.containerName = "";
139 * Function called by the dependency manager when at least one dependency
140 * become unsatisfied or when the component is shutting down because for
141 * example bundle is being stopped.
148 * Function called by dependency manager after "init ()" is called and after
149 * the services provided by the class are registered in the service registry
155 * Function called by the dependency manager before the services exported by
156 * the component are unregistered, this will be followed by a "destroy ()"
162 // this method uses reflection to update an object from it's delta.
164 private boolean overwrite(Object target, Object delta) {
165 Method[] methods = target.getClass().getMethods();
167 for (Method toMethod : methods) {
168 if (toMethod.getDeclaringClass().equals(target.getClass())
169 && toMethod.getName().startsWith("set")) {
171 String toName = toMethod.getName();
172 String fromName = toName.replace("set", "get");
175 Method fromMethod = delta.getClass().getMethod(fromName);
176 Object value = fromMethod.invoke(delta, (Object[]) null);
178 toMethod.invoke(target, value);
180 } catch(Exception e) {
190 public boolean neutronLoadBalancerPoolMemberExists(String uuid) {
191 return loadBalancerPoolMemberDB.containsKey(uuid);
195 public NeutronLoadBalancerPoolMember getNeutronLoadBalancerPoolMember(String uuid) {
196 if (!neutronLoadBalancerPoolMemberExists(uuid)) {
197 logger.debug("No LoadBalancerPoolMember Have Been Defined");
200 return loadBalancerPoolMemberDB.get(uuid);
204 public List<NeutronLoadBalancerPoolMember> getAllNeutronLoadBalancerPoolMembers() {
205 Set<NeutronLoadBalancerPoolMember> allLoadBalancerPoolMembers = new HashSet<NeutronLoadBalancerPoolMember>();
206 for (Map.Entry<String, NeutronLoadBalancerPoolMember> entry : loadBalancerPoolMemberDB.entrySet()) {
207 NeutronLoadBalancerPoolMember loadBalancerPoolMember = entry.getValue();
208 allLoadBalancerPoolMembers.add(loadBalancerPoolMember);
210 logger.debug("Exiting getLoadBalancerPoolMembers, Found {} OpenStackLoadBalancerPoolMember",
211 allLoadBalancerPoolMembers.size());
212 List<NeutronLoadBalancerPoolMember> ans = new ArrayList<NeutronLoadBalancerPoolMember>();
213 ans.addAll(allLoadBalancerPoolMembers);
218 public boolean addNeutronLoadBalancerPoolMember(NeutronLoadBalancerPoolMember input) {
219 if (neutronLoadBalancerPoolMemberExists(input.getPoolMemberID())) {
222 loadBalancerPoolMemberDB.putIfAbsent(input.getPoolMemberID(), input);
227 public boolean removeNeutronLoadBalancerPoolMember(String uuid) {
228 if (!neutronLoadBalancerPoolMemberExists(uuid)) {
231 loadBalancerPoolMemberDB.remove(uuid);
236 public boolean updateNeutronLoadBalancerPoolMember(String uuid, NeutronLoadBalancerPoolMember delta) {
237 if (!neutronLoadBalancerPoolMemberExists(uuid)) {
240 NeutronLoadBalancerPoolMember target = loadBalancerPoolMemberDB.get(uuid);
241 return overwrite(target, delta);
245 public boolean neutronLoadBalancerPoolMemberInUse(String loadBalancerPoolMemberID) {
246 return !neutronLoadBalancerPoolMemberExists(loadBalancerPoolMemberID);
249 private void loadConfiguration() {
250 for (ConfigurationObject conf : configurationService.retrieveConfiguration(this, FILE_NAME)) {
251 NeutronLoadBalancerPoolMember nn = (NeutronLoadBalancerPoolMember) conf;
252 loadBalancerPoolMemberDB.put(nn.getPoolMemberID(), nn);
257 public Status saveConfiguration() {
258 return configurationService.persistConfiguration(
259 new ArrayList<ConfigurationObject>(loadBalancerPoolMemberDB.values()),
264 public Object readObject(ObjectInputStream ois) throws FileNotFoundException, IOException, ClassNotFoundException {
265 return ois.readObject();