opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ConfigManagerActivator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.config.manager.impl.osgi;
   9
  10 import static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.registerService;
  11 import static org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.wrap;
  12 import java.lang.management.ManagementFactory;
  13 import java.util.Arrays;
  14 import java.util.List;
  15 import javax.management.InstanceAlreadyExistsException;
  16 import javax.management.MBeanServer;
  17 import org.opendaylight.controller.config.api.ConfigRegistry;
  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.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
  27 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
  28 import org.osgi.framework.BundleActivator;
  29 import org.osgi.framework.BundleContext;
  30 import org.osgi.util.tracker.ServiceTracker;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class ConfigManagerActivator implements BundleActivator {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(ConfigManagerActivator.class);
  37
  38     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  39
  40     private AutoCloseable autoCloseable;
  41
  42     @Override
  43     public void start(final BundleContext context) {
  44         try {
  45             ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();// the inner strategy is backed by thread context cl?
  46
  47             BindingContextProvider bindingContextProvider = new BindingContextProvider();
  48
  49             RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
  50                     moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, bindingContextProvider, context);
  51
  52             ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(moduleInfoRegistryWrapper);
  53
  54             // start config registry
  55             BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  56                     context);
  57             ConfigRegistryImpl configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  58                     bindingContextProvider);
  59
  60             // track bundles containing factories
  61             BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
  62                     configRegistry);
  63             ModuleFactoryBundleTracker primaryModuleFactoryBundleTracker = new ModuleFactoryBundleTracker(
  64                     blankTransactionServiceTracker);
  65
  66             // start extensible tracker
  67             ExtensibleBundleTracker<?> bundleTracker = new ExtensibleBundleTracker<>(context,
  68                     primaryModuleFactoryBundleTracker, moduleInfoBundleTracker);
  69             bundleTracker.open();
  70
  71             // Wrap config registry with JMX notification publishing adapter
  72             final JMXNotifierConfigRegistry notifyingConfigRegistry =
  73                     new JMXNotifierConfigRegistry(configRegistry, configMBeanServer);
  74
  75             // register config registry to OSGi
  76             AutoCloseable clsReg = registerService(context, moduleInfoBackedContext, GeneratedClassLoadingStrategy.class);
  77             AutoCloseable configRegReg = registerService(context, notifyingConfigRegistry, ConfigRegistry.class);
  78
  79             // register config registry to jmx
  80             ConfigRegistryJMXRegistrator configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  81             try {
  82                 configRegistryJMXRegistrator.registerToJMXNoNotifications(configRegistry);
  83             } catch (InstanceAlreadyExistsException e) {
  84                 throw new IllegalStateException("Config Registry was already registered to JMX", e);
  85             }
  86
  87             // register config registry to jmx
  88             final ConfigRegistryJMXRegistrator configRegistryJMXRegistratorWithNotifications = new ConfigRegistryJMXRegistrator(configMBeanServer);
  89             try {
  90                 configRegistryJMXRegistrator.registerToJMX(notifyingConfigRegistry);
  91             } catch (InstanceAlreadyExistsException e) {
  92                 throw new IllegalStateException("Config Registry was already registered to JMX", e);
  93             }
  94
  95             // TODO wire directly via moduleInfoBundleTracker
  96             ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  97                     blankTransactionServiceTracker);
  98             serviceTracker.open();
  99
 100             List<AutoCloseable> list = Arrays.asList(bindingContextProvider, clsReg, configRegistry, wrap(bundleTracker),
 101                     configRegReg, configRegistryJMXRegistrator, configRegistryJMXRegistratorWithNotifications, wrap(serviceTracker), moduleInfoRegistryWrapper, notifyingConfigRegistry);
 102             autoCloseable = OsgiRegistrationUtil.aggregate(list);
 103         } catch(Exception e) {
 104             LOG.warn("Error starting config manager", e);
 105         }
 106     }
 107
 108     @Override
 109     public void stop(final BundleContext context) throws Exception {
 110         autoCloseable.close();
 111     }
 112 }