| /* |
| * Copyright 2016-present 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.cordconfig.access; |
| |
| import com.google.common.collect.ImmutableSet; |
| 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.net.DeviceId; |
| 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.basics.SubjectFactories; |
| |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Manages the common CORD configuration. |
| */ |
| @Service |
| @Component(immediate = true) |
| public class CordConfig implements CordConfigService { |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry networkConfig; |
| |
| private Map<DeviceId, AccessDeviceData> accessDevices = new ConcurrentHashMap<>(); |
| private Map<DeviceId, AccessAgentData> accessAgents = new ConcurrentHashMap<>(); |
| |
| private static final Class<AccessDeviceConfig> ACCESS_DEVICE_CONFIG_CLASS = |
| AccessDeviceConfig.class; |
| private static final String ACCESS_DEVICE_CONFIG_KEY = "accessDevice"; |
| |
| private ConfigFactory<DeviceId, AccessDeviceConfig> deviceConfigFactory = |
| new ConfigFactory<DeviceId, AccessDeviceConfig>( |
| SubjectFactories.DEVICE_SUBJECT_FACTORY, |
| ACCESS_DEVICE_CONFIG_CLASS, ACCESS_DEVICE_CONFIG_KEY) { |
| @Override |
| public AccessDeviceConfig createConfig() { |
| return new AccessDeviceConfig(); |
| } |
| }; |
| |
| private static final Class<AccessAgentConfig> ACCESS_AGENT_CONFIG_CLASS = |
| AccessAgentConfig.class; |
| private static final String ACCESS_AGENT_CONFIG_KEY = "accessAgent"; |
| |
| private ConfigFactory<DeviceId, AccessAgentConfig> agentConfigFactory = |
| new ConfigFactory<DeviceId, AccessAgentConfig>( |
| SubjectFactories.DEVICE_SUBJECT_FACTORY, |
| ACCESS_AGENT_CONFIG_CLASS, ACCESS_AGENT_CONFIG_KEY) { |
| @Override |
| public AccessAgentConfig createConfig() { |
| return new AccessAgentConfig(); |
| } |
| }; |
| |
| private InternalNetworkConfigListener configListener = |
| new InternalNetworkConfigListener(); |
| |
| @Activate |
| protected void activate() { |
| networkConfig.registerConfigFactory(deviceConfigFactory); |
| networkConfig.registerConfigFactory(agentConfigFactory); |
| |
| networkConfig.addListener(configListener); |
| |
| networkConfig.getSubjects(DeviceId.class, AccessDeviceConfig.class) |
| .forEach(this::addAccessDeviceConfig); |
| |
| networkConfig.getSubjects(DeviceId.class, AccessAgentConfig.class) |
| .forEach(this::addAccessAgentConfig); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| networkConfig.unregisterConfigFactory(deviceConfigFactory); |
| networkConfig.unregisterConfigFactory(agentConfigFactory); |
| } |
| |
| private void addAccessDeviceConfig(DeviceId subject) { |
| AccessDeviceConfig config = |
| networkConfig.getConfig(subject, ACCESS_DEVICE_CONFIG_CLASS); |
| if (config != null) { |
| addAccessDevice(config); |
| } |
| } |
| |
| private void addAccessDevice(AccessDeviceConfig config) { |
| AccessDeviceData accessDevice = config.getAccessDevice(); |
| accessDevices.put(accessDevice.deviceId(), accessDevice); |
| } |
| |
| private void removeAccessDeviceConfig(DeviceId subject) { |
| accessDevices.remove(subject); |
| } |
| |
| private void addAccessAgentConfig(DeviceId subject) { |
| AccessAgentConfig config = |
| networkConfig.getConfig(subject, ACCESS_AGENT_CONFIG_CLASS); |
| if (config != null) { |
| addAccessAgent(config); |
| } |
| } |
| |
| private void addAccessAgent(AccessAgentConfig config) { |
| AccessAgentData accessAgent = config.getAgent(); |
| accessAgents.put(accessAgent.deviceId(), accessAgent); |
| } |
| |
| private void removeAccessAgentConfig(DeviceId subject) { |
| accessAgents.remove(subject); |
| } |
| |
| @Override |
| public Set<AccessDeviceData> getAccessDevices() { |
| return ImmutableSet.copyOf(accessDevices.values()); |
| } |
| |
| @Override |
| public Optional<AccessDeviceData> getAccessDevice(DeviceId deviceId) { |
| checkNotNull(deviceId, "Device ID cannot be null"); |
| return Optional.ofNullable(accessDevices.get(deviceId)); |
| } |
| |
| @Override |
| public Set<AccessAgentData> getAccessAgents() { |
| return ImmutableSet.copyOf(accessAgents.values()); |
| } |
| |
| @Override |
| public Optional<AccessAgentData> getAccessAgent(DeviceId deviceId) { |
| checkNotNull(deviceId, "Device ID cannot be null"); |
| return Optional.ofNullable(accessAgents.get(deviceId)); |
| } |
| |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| @Override |
| public void event(NetworkConfigEvent event) { |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| if (event.configClass().equals(ACCESS_DEVICE_CONFIG_CLASS)) { |
| addAccessDeviceConfig((DeviceId) event.subject()); |
| } else if (event.configClass().equals(ACCESS_AGENT_CONFIG_CLASS)) { |
| addAccessAgentConfig((DeviceId) event.subject()); |
| } |
| break; |
| case CONFIG_REMOVED: |
| if (event.configClass().equals(ACCESS_DEVICE_CONFIG_CLASS)) { |
| removeAccessDeviceConfig((DeviceId) event.subject()); |
| } else if (event.configClass().equals(ACCESS_AGENT_CONFIG_CLASS)) { |
| removeAccessAgentConfig((DeviceId) event.subject()); |
| } |
| break; |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: |
| default: |
| break; |
| } |
| } |
| } |
| } |