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) {
54 LOG.info("Config manager starting...");
56 // the inner strategy is backed by thread context cl?
57 final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
59 final BindingContextProvider bindingContextProvider = new BindingContextProvider();
61 final RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
62 moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext,
63 bindingContextProvider, context);
65 final ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(moduleInfoRegistryWrapper);
67 // start config registry
68 final BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver =
69 new BundleContextBackedModuleFactoriesResolver(context);
70 this.configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver,
71 this.configMBeanServer, bindingContextProvider);
73 // track bundles containing factories
74 final BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
76 final ModuleFactoryBundleTracker moduleFactoryTracker = new ModuleFactoryBundleTracker(
77 blankTransactionServiceTracker);
79 BundleTracker<Collection<ObjectRegistration<YangModuleInfo>>> moduleInfoResolvedBundleTracker =
80 new BundleTracker<>(context, Bundle.RESOLVED | Bundle.STARTING | Bundle.STOPPING | Bundle.ACTIVE,
81 moduleInfoBundleTracker);
82 ExtensibleBundleTracker<?> moduleFactoryBundleTracker = new ExtensibleBundleTracker<>(context,
83 moduleFactoryTracker);
84 moduleInfoBundleTracker.open(moduleInfoResolvedBundleTracker);
86 // start extensible tracker
87 moduleFactoryBundleTracker.open();
89 // Wrap config registry with JMX notification publishing adapter
90 final JMXNotifierConfigRegistry notifyingConfigRegistry =
91 new JMXNotifierConfigRegistry(this.configRegistry, this.configMBeanServer);
93 // register config registry to OSGi
94 final AutoCloseable clsReg = OsgiRegistrationUtil.registerService(context, moduleInfoBackedContext,
95 ClassLoadingStrategy.class);
96 final AutoCloseable configRegReg = OsgiRegistrationUtil.registerService(context, notifyingConfigRegistry,
97 ConfigRegistry.class);
99 // register config registry to jmx
100 final ConfigRegistryJMXRegistrator configRegistryJMXRegistrator =
101 new ConfigRegistryJMXRegistrator(this.configMBeanServer);
103 configRegistryJMXRegistrator.registerToJMXNoNotifications(this.configRegistry);
104 } catch (final InstanceAlreadyExistsException e) {
105 configRegistryJMXRegistrator.close();
106 throw new IllegalStateException("Config Registry was already registered to JMX", e);
109 // register config registry to jmx
110 final ConfigRegistryJMXRegistrator configRegistryJMXRegistratorWithNotifications =
111 new ConfigRegistryJMXRegistrator(this.configMBeanServer);
113 configRegistryJMXRegistrator.registerToJMX(notifyingConfigRegistry);
114 } catch (final InstanceAlreadyExistsException e) {
115 configRegistryJMXRegistrator.close();
116 configRegistryJMXRegistratorWithNotifications.close();
117 throw new IllegalStateException("Config Registry was already registered to JMX", e);
120 // TODO wire directly via moduleInfoBundleTracker
121 final ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context,
122 ModuleFactory.class, blankTransactionServiceTracker);
123 serviceTracker.open();
125 final AutoCloseable configMgrReg = OsgiRegistrationUtil.registerService(context, this,
126 ConfigSystemService.class);
128 final List<AutoCloseable> list = Arrays.asList(bindingContextProvider, clsReg,
129 OsgiRegistrationUtil.wrap(moduleFactoryBundleTracker), moduleInfoBundleTracker,
130 configRegReg, configRegistryJMXRegistrator, configRegistryJMXRegistratorWithNotifications,
131 OsgiRegistrationUtil.wrap(serviceTracker), moduleInfoRegistryWrapper, notifyingConfigRegistry,
133 this.autoCloseable = OsgiRegistrationUtil.aggregate(list);
135 context.addBundleListener(this);
136 } catch(final Exception e) {
137 LOG.error("Error starting config manager", e);
138 } catch(final Error e) {
139 // Log JVM Error and re-throw. The OSGi container may silently fail the bundle and not always log
140 // the exception. This has been seen on initial feature install.
141 LOG.error("Error starting config manager", e);
145 LOG.info("Config manager start complete");
149 public void stop(final BundleContext context) throws Exception {
150 LOG.info("Config manager stopping");
151 context.removeBundleListener(this);
152 this.autoCloseable.close();
156 public void bundleChanged(final BundleEvent event) {
157 if(this.configRegistry == null) {
161 // If the system bundle (id 0) is stopping close the ConfigRegistry so it destroys all modules. On
162 // shutdown the system bundle is stopped first.
163 if(event.getBundle().getBundleId() == SYSTEM_BUNDLE_ID && event.getType() == BundleEvent.STOPPING) {
164 this.configRegistry.close();
169 public void closeAllConfigModules() {
170 if(this.configRegistry != null) {
171 this.configRegistry.close();