+++ /dev/null
-/*
- * Copyright (c) 2015, 2017 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.config.facade.xml.osgi;
-
-import com.google.common.base.Preconditions;
-import java.lang.management.ManagementFactory;
-import java.util.Hashtable;
-import java.util.concurrent.atomic.AtomicBoolean;
-import javax.management.MBeanServer;
-import org.opendaylight.controller.config.facade.xml.ConfigSubsystemFacadeFactory;
-import org.opendaylight.controller.config.util.ConfigRegistryJMXClient;
-import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
-import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
-import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
-import org.osgi.framework.BundleActivator;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceReference;
-import org.osgi.framework.ServiceRegistration;
-import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Start yang store service and the XML config manager facade.
- */
-public class YangStoreActivator implements BundleActivator {
-
- private static final Logger LOG = LoggerFactory.getLogger(YangStoreActivator.class);
-
- private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
-
- private ServiceRegistration<YangStoreService> yangStoreServiceServiceRegistration;
- private ConfigRegistryLookupThread configRegistryLookup = null;
- private BundleContext context;
- private ServiceRegistration<ConfigSubsystemFacadeFactory> osgiRegistrayion;
-
- @Override
- @SuppressWarnings("checkstyle:hiddenField")
- public void start(final BundleContext context) throws Exception {
- LOG.debug("ConfigPersister starting");
- this.context = context;
-
- final ServiceTrackerCustomizer<SchemaContextProvider, YangStoreService> schemaServiceTrackerCustomizer =
- new ServiceTrackerCustomizer<SchemaContextProvider, YangStoreService>() {
-
- private final AtomicBoolean alreadyStarted = new AtomicBoolean(false);
-
- @Override
- public YangStoreService addingService(final ServiceReference<SchemaContextProvider> reference) {
- LOG.debug("Got addingService(SchemaContextProvider) event");
- if (reference.getProperty(SchemaSourceProvider.class.getName()) == null
- && reference.getProperty(BindingRuntimeContext.class.getName()) == null) {
- LOG.debug("SchemaContextProvider not from config-manager. Ignoring");
- return null;
- }
-
- // Yang store service should not be registered multiple times
- if (!this.alreadyStarted.compareAndSet(false, true)) {
- LOG.warn("Starting yang store service multiple times. Received new service {}", reference);
- throw new RuntimeException("Starting yang store service multiple times");
- }
- final SchemaContextProvider schemaContextProvider = reference.getBundle().getBundleContext()
- .getService(reference);
- final Object sourceProvider = Preconditions.checkNotNull(
- reference.getProperty(SchemaSourceProvider.class.getName()), "Source provider not found");
- Preconditions.checkArgument(sourceProvider instanceof SchemaSourceProvider);
-
- // TODO avoid cast
- final YangStoreService yangStoreService = new YangStoreService(schemaContextProvider,
- (SchemaSourceProvider<YangTextSchemaSource>) sourceProvider);
-
- final BindingRuntimeContext runtimeContext = (BindingRuntimeContext) reference
- .getProperty(BindingRuntimeContext.class.getName());
- LOG.debug("BindingRuntimeContext retrieved as {}", runtimeContext);
- if (runtimeContext != null) {
- yangStoreService.refresh(runtimeContext);
- }
-
- YangStoreActivator.this.yangStoreServiceServiceRegistration = context
- .registerService(YangStoreService.class, yangStoreService, new Hashtable<>());
- YangStoreActivator.this.configRegistryLookup = new ConfigRegistryLookupThread(yangStoreService);
- YangStoreActivator.this.configRegistryLookup.start();
- return yangStoreService;
- }
-
- @Override
- public void modifiedService(final ServiceReference<SchemaContextProvider> reference,
- final YangStoreService service) {
- if (service == null) {
- return;
- }
-
- LOG.debug("Got modifiedService(SchemaContextProvider) event");
- final BindingRuntimeContext runtimeContext = (BindingRuntimeContext) reference
- .getProperty(BindingRuntimeContext.class.getName());
- LOG.debug("BindingRuntimeContext retrieved as {}", runtimeContext);
- service.refresh(runtimeContext);
- }
-
- @Override
- public void removedService(final ServiceReference<SchemaContextProvider> reference,
- final YangStoreService service) {
- if (service == null) {
- return;
- }
-
- LOG.debug("Got removedService(SchemaContextProvider) event");
- this.alreadyStarted.set(false);
- YangStoreActivator.this.configRegistryLookup.interrupt();
- YangStoreActivator.this.yangStoreServiceServiceRegistration.unregister();
- YangStoreActivator.this.yangStoreServiceServiceRegistration = null;
- }
- };
-
- final ServiceTracker<SchemaContextProvider, YangStoreService> schemaContextProviderServiceTracker =
- new ServiceTracker<>(context, SchemaContextProvider.class, schemaServiceTrackerCustomizer);
- schemaContextProviderServiceTracker.open();
- }
-
- @Override
- @SuppressWarnings("checkstyle:hiddenField")
- public void stop(final BundleContext context) throws Exception {
- if (this.configRegistryLookup != null) {
- this.configRegistryLookup.interrupt();
- }
- if (this.osgiRegistrayion != null) {
- this.osgiRegistrayion.unregister();
- }
- if (this.yangStoreServiceServiceRegistration != null) {
- this.yangStoreServiceServiceRegistration.unregister();
- this.yangStoreServiceServiceRegistration = null;
- }
- }
-
- /**
- * Find ConfigRegistry from config manager in JMX.
- */
- private class ConfigRegistryLookupThread extends Thread {
- public static final int ATTEMPT_TIMEOUT_MS = 1000;
- private static final int SILENT_ATTEMPTS = 30;
-
- private final YangStoreService yangStoreService;
-
- ConfigRegistryLookupThread(final YangStoreService yangStoreService) {
- super("config-registry-lookup");
- this.yangStoreService = yangStoreService;
- }
-
- @Override
- public void run() {
-
- ConfigRegistryJMXClient configRegistryJMXClient;
- ConfigRegistryJMXClient configRegistryJMXClientNoNotifications;
- int index = 0;
- // Config registry might not be present yet, but will be eventually
- while (true) {
-
- try {
- configRegistryJMXClient = new ConfigRegistryJMXClient(YangStoreActivator.this.configMBeanServer);
- configRegistryJMXClientNoNotifications = ConfigRegistryJMXClient
- .createWithoutNotifications(YangStoreActivator.this.configMBeanServer);
- break;
- } catch (final IllegalStateException e) {
- ++index;
- if (index > SILENT_ATTEMPTS) {
- LOG.info("JMX client not created after {} attempts, still trying", index, e);
- } else {
- LOG.debug("JMX client could not be created, reattempting, try {}", index, e);
- }
- try {
- Thread.sleep(ATTEMPT_TIMEOUT_MS);
- } catch (final InterruptedException e1) {
- Thread.currentThread().interrupt();
- throw new IllegalStateException("Interrupted while reattempting connection", e1);
- }
- }
- }
-
- final ConfigRegistryJMXClient jmxClient = configRegistryJMXClient;
- final ConfigRegistryJMXClient jmxClientNoNotifications = configRegistryJMXClientNoNotifications;
- if (index > SILENT_ATTEMPTS) {
- LOG.info("Created JMX client after {} attempts", index);
- } else {
- LOG.debug("Created JMX client after {} attempts", index);
- }
-
- final ConfigSubsystemFacadeFactory configSubsystemFacade = new ConfigSubsystemFacadeFactory(jmxClient,
- jmxClientNoNotifications, this.yangStoreService);
- YangStoreActivator.this.osgiRegistrayion = YangStoreActivator.this.context
- .registerService(ConfigSubsystemFacadeFactory.class, configSubsystemFacade, new Hashtable<>());
- }
- }
-}
Code Review / controller.git / blobdiff