Add foo-app code (copy of config app)
Change-Id: I135ff8c7b9249bcbfbfd145c225f7b9375acf207
diff --git a/src/main/java/org/opencord/cordconfig/CordConfigManager.java b/src/main/java/org/opencord/cordconfig/CordConfigManager.java
new file mode 100644
index 0000000..a85f7bb
--- /dev/null
+++ b/src/main/java/org/opencord/cordconfig/CordConfigManager.java
@@ -0,0 +1,229 @@
+/*
+ * 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.opencord.cordconfig;
+
+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.event.ListenerRegistry;
+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 org.opencord.cordconfig.access.AccessAgentConfig;
+import org.opencord.cordconfig.access.AccessAgentData;
+import org.opencord.cordconfig.access.AccessDeviceConfig;
+import org.opencord.cordconfig.access.AccessDeviceData;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+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 CordConfigManager extends ListenerRegistry<CordConfigEvent, CordConfigListener>
+ implements CordConfigService {
+ private static Logger log = LoggerFactory.getLogger(CordConfigManager.class);
+
+ @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);
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_DEVICE_ADDED, accessDevice));
+ }
+
+ private void updateAccessDevice(AccessDeviceConfig config, AccessDeviceConfig prevConfig) {
+ AccessDeviceData prevAccessDevice = prevConfig.getAccessDevice();
+ accessDevices.remove(prevConfig.subject());
+ AccessDeviceData accessDevice = config.getAccessDevice();
+ accessDevices.put(accessDevice.deviceId(), accessDevice);
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_DEVICE_UPDATED, accessDevice, prevAccessDevice));
+ }
+
+ private void removeAccessDevice(AccessDeviceConfig prevConfig) {
+ AccessDeviceData prevAccessDevice = prevConfig.getAccessDevice();
+ accessDevices.remove(prevConfig.subject());
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_DEVICE_REMOVED, prevAccessDevice));
+ }
+
+ 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);
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_AGENT_ADDED, accessAgent, null));
+ }
+
+ private void updateAccessAgent(AccessAgentConfig config, AccessAgentConfig prevConfig) {
+ AccessAgentData prevAccessAgent = prevConfig.getAgent();
+ accessAgents.remove(prevConfig.subject());
+ AccessAgentData accessAgent = config.getAgent();
+ accessAgents.put(accessAgent.deviceId(), accessAgent);
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_AGENT_UPDATED, accessAgent, prevAccessAgent));
+ }
+
+ private void removeAccessAgent(AccessAgentConfig prevConfig) {
+ AccessAgentData prevAccessAgent = prevConfig.getAgent();
+ accessAgents.remove(prevConfig.subject());
+ process(new CordConfigEvent(CordConfigEvent.Type.ACCESS_AGENT_REMOVED, null, prevAccessAgent));
+ }
+
+ @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) {
+ if (event.configClass().equals(ACCESS_DEVICE_CONFIG_CLASS)) {
+ AccessDeviceConfig config = (AccessDeviceConfig) event.config().orElse(null);
+ AccessDeviceConfig prevConfig = (AccessDeviceConfig) event.prevConfig().orElse(null);
+ switch (event.type()) {
+ case CONFIG_ADDED:
+ addAccessDevice(config);
+ break;
+ case CONFIG_UPDATED:
+ updateAccessDevice(config, prevConfig);
+ break;
+ case CONFIG_REMOVED:
+ removeAccessDevice(prevConfig);
+ break;
+ default:
+ break;
+ }
+ } else if (event.configClass().equals(ACCESS_AGENT_CONFIG_CLASS)) {
+ AccessAgentConfig config = (AccessAgentConfig) event.config().orElse(null);
+ AccessAgentConfig prevConfig = (AccessAgentConfig) event.prevConfig().orElse(null);
+ switch (event.type()) {
+ case CONFIG_ADDED:
+ addAccessAgent(config);
+ break;
+ case CONFIG_UPDATED:
+ updateAccessAgent(config, prevConfig);
+ break;
+ case CONFIG_REMOVED:
+ removeAccessAgent(prevConfig);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+}