| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.provider.isis.cfg.impl; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| 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.apache.felix.scr.annotations.Service; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.isis.controller.IsisController; |
| 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.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * ISIS config provider to validate and populate the configuration. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class IsisCfgProvider extends AbstractProvider { |
| |
| private static final String PROVIDER_ID = "org.onosproject.provider.isis.cfg"; |
| private static final Logger log = getLogger(IsisCfgProvider.class); |
| private final ConfigFactory configFactory = |
| new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, IsisAppConfig.class, "isisapp") { |
| @Override |
| public IsisAppConfig createConfig() { |
| return new IsisAppConfig(); |
| } |
| }; |
| private final NetworkConfigListener configListener = new InternalConfigListener(); |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IsisController isisController; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry configRegistry; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigService configService; |
| private ApplicationId appId; |
| |
| /** |
| * Creates an ISIS config provider. |
| */ |
| public IsisCfgProvider() { |
| super(new ProviderId("isis", PROVIDER_ID)); |
| } |
| |
| @Activate |
| public void activate() { |
| log.debug("Activate...!!!"); |
| appId = coreService.registerApplication(PROVIDER_ID); |
| configService.addListener(configListener); |
| configRegistry.registerConfigFactory(configFactory); |
| log.debug("ISIS cfg service got started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.debug("Deactivate...!!!"); |
| configRegistry.unregisterConfigFactory(configFactory); |
| configService.removeListener(configListener); |
| } |
| |
| /** |
| * Pushes the configuration changes to ISIS controller. |
| */ |
| private void updateConfig() { |
| IsisAppConfig isisAppConfig = configRegistry.getConfig(appId, IsisAppConfig.class); |
| log.debug("IsisAppConfig::config processes::" + isisAppConfig.processes()); |
| log.debug("IsisAppConfig::prop 1::" + isisAppConfig.method()); |
| if ("ADD".equalsIgnoreCase(isisAppConfig.method())) { |
| JsonNode jsonNode = isisAppConfig.processes(); |
| isisController.updateConfig(jsonNode); |
| } |
| } |
| |
| /** |
| * Isis config listener to populate the configuration. |
| */ |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| log.debug("config event is getting called...!!!"); |
| if (!event.configClass().equals(IsisAppConfig.class)) { |
| return; |
| } |
| |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| updateConfig(); |
| break; |
| case CONFIG_UPDATED: |
| updateConfig(); |
| break; |
| case CONFIG_REMOVED: |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |