+++ /dev/null
-
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * 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.configuration.internal;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Dictionary;
-import java.util.EnumSet;
-import java.util.HashSet;
-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.ICacheUpdateAware;
-import org.opendaylight.controller.clustering.services.IClusterContainerServices;
-import org.opendaylight.controller.clustering.services.IClusterServices;
-import org.opendaylight.controller.configuration.ConfigurationEvent;
-import org.opendaylight.controller.configuration.ConfigurationObject;
-import org.opendaylight.controller.configuration.IConfigurationAware;
-import org.opendaylight.controller.configuration.IConfigurationContainerAware;
-import org.opendaylight.controller.configuration.IConfigurationContainerService;
-import org.opendaylight.controller.sal.utils.GlobalConstants;
-import org.opendaylight.controller.sal.utils.IObjectReader;
-import org.opendaylight.controller.sal.utils.ObjectReader;
-import org.opendaylight.controller.sal.utils.ObjectWriter;
-import org.opendaylight.controller.sal.utils.Status;
-import org.opendaylight.controller.sal.utils.StatusCode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * @file ConfigurationImpl.java
- *
- * @brief Backend functionality for all ConfigurationService related tasks.
- *
- */
-
-public class ContainerConfigurationService implements IConfigurationContainerService,
- IConfigurationAware,
- ICacheUpdateAware<String, String> {
- public static final String CONTAINER_SAVE_EVENT_CACHE = "config.container.event.save";
- private static final Logger logger = LoggerFactory.getLogger(ContainerConfigurationService.class);
- private IClusterContainerServices clusterServices;
- private ConcurrentMap<String, String> containerConfigEvent;
- // Directory which contains the startup files for this container
- private String root;
- private Set<IConfigurationContainerAware> configurationAwareList = Collections
- .synchronizedSet(new HashSet<IConfigurationContainerAware>());
- private ObjectReader objReader;
- private ObjectWriter objWriter;
- private String containerName;
-
- public void addConfigurationContainerAware(
- IConfigurationContainerAware configurationAware) {
- if (!this.configurationAwareList.contains(configurationAware)) {
- this.configurationAwareList.add(configurationAware);
- }
- }
-
- public int getConfigurationAwareListSize() {
- return this.configurationAwareList.size();
- }
-
- public void removeConfigurationContainerAware(
- IConfigurationContainerAware configurationAware) {
- this.configurationAwareList.remove(configurationAware);
- }
-
- public void setClusterServices(IClusterContainerServices i) {
- this.clusterServices = i;
- logger.debug("IClusterServices set");
- }
-
- public void unsetClusterServices(IClusterContainerServices i) {
- if (this.clusterServices == i) {
- this.clusterServices = null;
- logger.debug("IClusterServices Unset");
- }
- }
-
- void init(Component c) {
- Dictionary<?, ?> props = c.getServiceProperties();
- containerName = (props != null) ? (String) props.get("containerName") :
- GlobalConstants.DEFAULT.toString();
- root = String.format("%s%s/", GlobalConstants.STARTUPHOME.toString(), containerName);
- }
-
- public void start() {
- allocateCache();
- retrieveCache();
- objReader = new ObjectReader();
- objWriter = new ObjectWriter();
- }
-
- public void destroy() {
- // Clear local states
- this.configurationAwareList.clear();
- }
-
- /**
- * Function called by the dependency manager before Container is Stopped and Destroyed.
- */
- public void containerStop() {
- // Do nothing
- }
-
- @Override
- public String getConfigurationRoot() {
- return root;
- }
-
- @Override
- public Status saveConfiguration() {
- boolean success = true;
-
- for (IConfigurationContainerAware configurationAware : configurationAwareList) {
- logger.trace("Save Config triggered for {}", configurationAware.getClass().getSimpleName());
-
- Status status = configurationAware.saveConfiguration();
- if (!status.isSuccess()) {
- success = false;
- logger.warn("Failed to save config for {} ({})", configurationAware.getClass().getSimpleName(),
- status.getDescription());
- }
- }
- if (success) {
- return new Status(StatusCode.SUCCESS);
- } else {
- return new Status(StatusCode.INTERNALERROR, "Failed to save one or more configurations");
- }
- }
-
- @Override
- public Status saveConfigurations() {
- containerConfigEvent.put(ConfigurationEvent.SAVE.toString(), "");
- return saveConfiguration();
- }
-
- @Override
- public void entryCreated(String key, String cacheName,
- boolean originLocal) {
- if (originLocal) {
- return;
- }
- }
-
- @Override
- public void entryUpdated(String key, String new_value,
- String cacheName, boolean originLocal) {
- if (originLocal) {
- return;
- }
- logger.debug("Processing {} event", key);
- if (key.equals(ConfigurationEvent.SAVE.toString())) {
- saveConfiguration();
- }
- }
-
- @Override
- public void entryDeleted(String key, String cacheName,
- boolean originLocal) {
- if (originLocal) {
- return;
- }
- }
-
- private void allocateCache() {
- if (this.clusterServices == null) {
- logger.error("uninitialized clusterServices, can't create cache");
- return;
- }
- try {
- this.clusterServices.createCache(CONTAINER_SAVE_EVENT_CACHE,
- EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
- } catch (CacheConfigException cce) {
- logger.debug("Error creating ContainerConfigurationService cache ", cce);
- } catch (CacheExistException cce) {
- logger.debug("ConfigurationService Cache already exists, destroy and recreate ", cce);
- }
- }
-
- @SuppressWarnings({ "unchecked" })
- private void retrieveCache() {
- if (this.clusterServices == null) {
- logger.error("uninitialized clusterServices, can't retrieve cache");
- return;
- }
- containerConfigEvent =
- (ConcurrentMap<String, String>) this.clusterServices.getCache(CONTAINER_SAVE_EVENT_CACHE);
- if (containerConfigEvent == null) {
- logger.error("Failed to retrieve configuration Cache");
- }
- }
-
- @Override
- public Status persistConfiguration(List<ConfigurationObject> config, String fileName) {
- if (!hasBeenSaved()) {
- return new Status(StatusCode.NOTALLOWED,
- String.format("Container %s has not been saved yet", containerName));
- }
- String destination = String.format("%s%s", root, fileName);
- return objWriter.write(config, destination);
- }
-
- @Override
- public List<ConfigurationObject> retrieveConfiguration(IObjectReader reader, String fileName) {
- if (!clusterServices.amICoordinator()) {
- return Collections.emptyList();
- }
- String source = String.format("%s%s", root, fileName);
- Object obj = objReader.read(reader, source);
- if (obj == null) {
- return Collections.<ConfigurationObject> emptyList();
- }
- if (obj instanceof ConcurrentMap) {
- return new ArrayList<ConfigurationObject>(((ConcurrentMap)obj).values());
- }
- return (List<ConfigurationObject>) obj;
- }
-
- @Override
- public boolean hasBeenSaved() {
- try {
- File configRoot = new File(this.getConfigurationRoot());
- return configRoot.exists();
- } catch (Exception e) {
- return false;
- }
-
- }
-}
Code Review / controller.git / blobdiff