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
  13 import java.lang.management.ManagementFactory;
  14 import java.util.Arrays;
  15 import java.util.List;
  16 import javax.management.InstanceAlreadyExistsException;
  17 import javax.management.MBeanServer;
  18 import org.opendaylight.controller.config.api.ConfigRegistry;
  19 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  20 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  21 import org.opendaylight.controller.config.manager.impl.jmx.JMXNotifierConfigRegistry;
  22 import org.opendaylight.controller.config.manager.impl.osgi.mapping.BindingContextProvider;
  23 import org.opendaylight.controller.config.manager.impl.osgi.mapping.ModuleInfoBundleTracker;
  24 import org.opendaylight.controller.config.manager.impl.osgi.mapping.RefreshingSCPModuleInfoRegistry;
  25 import org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil;
  26 import org.opendaylight.controller.config.spi.ModuleFactory;
  27 import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
  28 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
  29 import org.osgi.framework.BundleActivator;
  30 import org.osgi.framework.BundleContext;
  31 import org.osgi.util.tracker.ServiceTracker;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public class ConfigManagerActivator implements BundleActivator {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(ConfigManagerActivator.class);
  38
  39     private final MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  40
  41     private AutoCloseable autoCloseable;
  42
  43     @Override
  44     public void start(final BundleContext context) {
  45         try {
  46             ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();// the inner strategy is backed by thread context cl?
  47
  48             BindingContextProvider bindingContextProvider = new BindingContextProvider();
  49
  50             RefreshingSCPModuleInfoRegistry moduleInfoRegistryWrapper = new RefreshingSCPModuleInfoRegistry(
  51                     moduleInfoBackedContext, moduleInfoBackedContext, moduleInfoBackedContext, bindingContextProvider, context);
  52
  53             ModuleInfoBundleTracker moduleInfoBundleTracker = new ModuleInfoBundleTracker(moduleInfoRegistryWrapper);
  54
  55             // start config registry
  56             BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver = new BundleContextBackedModuleFactoriesResolver(
  57                     context);
  58             ConfigRegistryImpl configRegistry = new ConfigRegistryImpl(bundleContextBackedModuleFactoriesResolver, configMBeanServer,
  59                     bindingContextProvider);
  60
  61             // track bundles containing factories
  62             BlankTransactionServiceTracker blankTransactionServiceTracker = new BlankTransactionServiceTracker(
  63                     configRegistry);
  64             ModuleFactoryBundleTracker primaryModuleFactoryBundleTracker = new ModuleFactoryBundleTracker(
  65                     blankTransactionServiceTracker);
  66
  67             // start extensible tracker
  68             ExtensibleBundleTracker<?> bundleTracker = new ExtensibleBundleTracker<>(context,
  69                     primaryModuleFactoryBundleTracker, moduleInfoBundleTracker);
  70             bundleTracker.open();
  71
  72             // Wrap config registry with JMX notification publishing adapter
  73             final JMXNotifierConfigRegistry notifyingConfigRegistry =
  74                     new JMXNotifierConfigRegistry(configRegistry, configMBeanServer);
  75
  76             // register config registry to OSGi
  77             AutoCloseable clsReg = registerService(context, moduleInfoBackedContext, GeneratedClassLoadingStrategy.class);
  78             AutoCloseable configRegReg = registerService(context, notifyingConfigRegistry, ConfigRegistry.class);
  79
  80             // register config registry to jmx
  81             ConfigRegistryJMXRegistrator configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  82             try {
  83                 configRegistryJMXRegistrator.registerToJMXNoNotifications(configRegistry);
  84             } catch (InstanceAlreadyExistsException e) {
  85                 throw new IllegalStateException("Config Registry was already registered to JMX", e);
  86             }
  87
  88             // register config registry to jmx
  89             final ConfigRegistryJMXRegistrator configRegistryJMXRegistratorWithNotifications = new ConfigRegistryJMXRegistrator(configMBeanServer);
  90             try {
  91                 configRegistryJMXRegistrator.registerToJMX(notifyingConfigRegistry);
  92             } catch (InstanceAlreadyExistsException e) {
  93                 throw new IllegalStateException("Config Registry was already registered to JMX", e);
  94             }
  95
  96             // TODO wire directly via moduleInfoBundleTracker
  97             ServiceTracker<ModuleFactory, Object> serviceTracker = new ServiceTracker<>(context, ModuleFactory.class,
  98                     blankTransactionServiceTracker);
  99             serviceTracker.open();
 100
 101             List<AutoCloseable> list = Arrays.asList(bindingContextProvider, clsReg, configRegistry, wrap(bundleTracker),
 102                     configRegReg, configRegistryJMXRegistrator, configRegistryJMXRegistratorWithNotifications, wrap(serviceTracker), moduleInfoRegistryWrapper, notifyingConfigRegistry);
 103             autoCloseable = OsgiRegistrationUtil.aggregate(list);
 104         } catch(Exception e) {
 105             LOG.warn("Error starting config manager", e);
 106         }
 107     }
 108
 109     @Override
 110     public void stop(final BundleContext context) throws Exception {
 111         autoCloseable.close();
 112     }
 113 }