2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.config.manager.impl.osgi;
10 import java.lang.management.ManagementFactory;
11 import java.util.Arrays;
12 import java.util.Collection;
13 import java.util.List;
14 import javax.management.InstanceAlreadyExistsException;
15 import javax.management.MBeanServer;
16 import org.opendaylight.controller.config.api.ConfigRegistry;
17 import org.opendaylight.controller.config.api.ConfigSystemService;
18 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
19 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
20 import org.opendaylight.controller.config.manager.impl.jmx.JMXNotifierConfigRegistry;
21 import org.opendaylight.controller.config.manager.impl.osgi.mapping.BindingContextProvider;
22 import org.opendaylight.controller.config.manager.impl.osgi.mapping.ModuleInfoBundleTracker;
23 import org.opendaylight.controller.config.manager.impl.osgi.mapping.RefreshingSCPModuleInfoRegistry;
24 import org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil;
25 import org.opendaylight.controller.config.spi.ModuleFactory;
26 import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
27 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
28 import org.opendaylight.yangtools.concepts.ObjectRegistration;
29 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
30 import org.osgi.framework.Bundle;
31 import org.osgi.framework.BundleActivator;
32 import org.osgi.framework.BundleContext;
33 import org.osgi.framework.BundleEvent;
34 import org.osgi.framework.SynchronousBundleListener;
35 import org.osgi.util.tracker.BundleTracker;
36 import org.osgi.util.tracker.ServiceTracker;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
40 public class ConfigManagerActivator implements BundleActivator, SynchronousBundleListener, ConfigSystemService {
42 private static final Logger LOG = LoggerFactory.getLogger(ConfigManagerActivator.class);
44 private static final long SYSTEM_BUNDLE_ID = 0;
46 private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
48 private AutoCloseable autoCloseable;
50 private ConfigRegistryImpl configRegistry;
53 public void start(final BundleContext context) {
55 // the inner strategy is backed by thread context cl?
56 final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
58 final BindingContextProvider bindingContextProvider = new BindingContextProvider();
60 final RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
61 moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, bindingContextProvider, context);
63 final ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(context, moduleInfoRegistryWrapper);
65 // start config registry
66 final BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
68 this.configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, this.configMBeanServer,
69 bindingContextProvider);
71 // track bundles containing factories
72 final BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
74 final ModuleFactoryBundleTracker moduleFactoryTracker = new ModuleFactoryBundleTracker(
75 blankTransactionServiceTracker);
77 BundleTracker<Collection<ObjectRegistration<YangModuleInfo>>> moduleInfoResolvedBundleTracker =
78 new BundleTracker<>(context, Bundle.RESOLVED | Bundle.STARTING | Bundle.STOPPING | Bundle.ACTIVE,
79 moduleInfoBundleTracker);
80 ExtensibleBundleTracker<?> moduleFactoryBundleTracker = new ExtensibleBundleTracker<>(context,
81 moduleFactoryTracker);
82 moduleInfoBundleTracker.open(moduleInfoResolvedBundleTracker);
84 // start extensible tracker
85 moduleFactoryBundleTracker.open();
87 // Wrap config registry with JMX notification publishing adapter
88 final JMXNotifierConfigRegistry notifyingConfigRegistry =
89 new JMXNotifierConfigRegistry(this.configRegistry, this.configMBeanServer);
91 // register config registry to OSGi
92 final AutoCloseable clsReg = OsgiRegistrationUtil.registerService(context, moduleInfoBackedContext, ClassLoadingStrategy.class);
93 final AutoCloseable configRegReg = OsgiRegistrationUtil.registerService(context, notifyingConfigRegistry, ConfigRegistry.class);
95 // register config registry to jmx
96 final ConfigRegistryJMXRegistrator configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(this.configMBeanServer);
98 configRegistryJMXRegistrator.registerToJMXNoNotifications(this.configRegistry);
99 } catch (final InstanceAlreadyExistsException e) {
100 configRegistryJMXRegistrator.close();
101 throw new IllegalStateException("Config Registry was already registered to JMX", e);
104 // register config registry to jmx
105 final ConfigRegistryJMXRegistrator configRegistryJMXRegistratorWithNotifications = new ConfigRegistryJMXRegistrator(this.configMBeanServer);
107 configRegistryJMXRegistrator.registerToJMX(notifyingConfigRegistry);
108 } catch (final InstanceAlreadyExistsException e) {
109 configRegistryJMXRegistrator.close();
110 configRegistryJMXRegistratorWithNotifications.close();
111 throw new IllegalStateException("Config Registry was already registered to JMX", e);
114 // TODO wire directly via moduleInfoBundleTracker
115 final ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
116 blankTransactionServiceTracker);
117 serviceTracker.open();
119 final AutoCloseable configMgrReg = OsgiRegistrationUtil.registerService(context, this, ConfigSystemService.class);
121 final List<AutoCloseable> list = Arrays.asList(bindingContextProvider, clsReg,
122 OsgiRegistrationUtil.wrap(moduleFactoryBundleTracker), moduleInfoBundleTracker,
123 configRegReg, configRegistryJMXRegistrator, configRegistryJMXRegistratorWithNotifications,
124 OsgiRegistrationUtil.wrap(serviceTracker), moduleInfoRegistryWrapper, notifyingConfigRegistry, configMgrReg);
125 this.autoCloseable = OsgiRegistrationUtil.aggregate(list);
127 context.addBundleListener(this);
128 } catch(final Exception e) {
129 LOG.warn("Error starting config manager", e);
130 } catch(final Error e) {
131 // Log JVM Error and re-throw. The OSGi container may silently fail the bundle and not always log
132 // the exception. This has been seen on initial feature install.
133 LOG.error("Error starting config manager", e);
139 public void stop(final BundleContext context) throws Exception {
140 context.removeBundleListener(this);
141 this.autoCloseable.close();
145 public void bundleChanged(final BundleEvent event) {
146 if(this.configRegistry == null) {
150 // If the system bundle (id 0) is stopping close the ConfigRegistry so it destroys all modules. On
151 // shutdown the system bundle is stopped first.
152 if(event.getBundle().getBundleId() == SYSTEM_BUNDLE_ID && event.getType() == BundleEvent.STOPPING) {
153 this.configRegistry.close();
158 public void closeAllConfigModules() {
159 if(this.configRegistry != null) {
160 this.configRegistry.close();