| /* |
| * Copyright 2014-2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.cordvtn; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Reads node information from the network config file and handles the config |
| * update events. |
| * Only a leader controller performs the node addition or deletion. |
| */ |
| @Component(immediate = true) |
| public class CordVtnConfigManager { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry configRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigService configService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CordVtnService cordVtnService; |
| |
| private final ConfigFactory configFactory = |
| new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, CordVtnConfig.class, "cordvtn") { |
| @Override |
| public CordVtnConfig createConfig() { |
| return new CordVtnConfig(); |
| } |
| }; |
| |
| private final NetworkConfigListener configListener = new InternalConfigListener(); |
| |
| private ApplicationId appId; |
| |
| @Activate |
| protected void active() { |
| appId = coreService.getAppId(CordVtnService.CORDVTN_APP_ID); |
| |
| configService.addListener(configListener); |
| configRegistry.registerConfigFactory(configFactory); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| configRegistry.unregisterConfigFactory(configFactory); |
| configService.removeListener(configListener); |
| } |
| |
| private void readConfiguration() { |
| CordVtnConfig config = configRegistry.getConfig(appId, CordVtnConfig.class); |
| |
| if (config == null) { |
| log.warn("No configuration found"); |
| return; |
| } |
| |
| config.cordVtnNodes().forEach(node -> { |
| CordVtnNode cordVtnNode = new CordVtnNode( |
| node.hostname(), node.ovsdbIp(), node.ovsdbPort(), node.bridgeId()); |
| cordVtnService.addNode(cordVtnNode); |
| }); |
| } |
| |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| if (!event.configClass().equals(CordVtnConfig.class)) { |
| return; |
| } |
| |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| log.info("Network configuration added"); |
| readConfiguration(); |
| break; |
| case CONFIG_UPDATED: |
| log.info("Network configuration updated"); |
| readConfiguration(); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |