+++ /dev/null
-/*
- * Copyright (c) 2013 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.persist.impl;
-
-import com.google.common.base.Optional;
-import java.io.Closeable;
-import java.io.IOException;
-import java.util.Set;
-import javax.annotation.concurrent.ThreadSafe;
-import javax.management.InstanceNotFoundException;
-import javax.management.MBeanServerConnection;
-import javax.management.Notification;
-import javax.management.NotificationListener;
-import javax.management.ObjectName;
-import org.opendaylight.controller.config.api.jmx.notifications.CommitJMXNotification;
-import org.opendaylight.controller.config.api.jmx.notifications.ConfigJMXNotification;
-import org.opendaylight.controller.config.facade.xml.ConfigSubsystemFacadeFactory;
-import org.opendaylight.controller.config.facade.xml.Datastore;
-import org.opendaylight.controller.config.persist.api.Persister;
-import org.opendaylight.controller.config.util.capability.Capability;
-import org.opendaylight.controller.config.util.xml.XmlUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Element;
-
-/**
- * Responsible for listening for notifications from netconf (via JMX) containing latest
- * committed configuration that should be persisted, and also for loading last
- * configuration.
- */
-@ThreadSafe
-public class ConfigPersisterNotificationHandler implements Closeable {
-
- private static final Logger LOG = LoggerFactory.getLogger(ConfigPersisterNotificationHandler.class);
- private final MBeanServerConnection mBeanServerConnection;
- private final NotificationListener listener;
-
-
- public ConfigPersisterNotificationHandler(final MBeanServerConnection mBeanServerConnection, final Persister persisterAggregator, final ConfigSubsystemFacadeFactory facade) {
- this(mBeanServerConnection, new ConfigPersisterNotificationListener(persisterAggregator, facade));
- }
-
- public ConfigPersisterNotificationHandler(final MBeanServerConnection mBeanServerConnection, final NotificationListener notificationListener) {
- this.mBeanServerConnection = mBeanServerConnection;
- this.listener = notificationListener;
- registerAsJMXListener(mBeanServerConnection, listener);
- }
-
- private static void registerAsJMXListener(final MBeanServerConnection mBeanServerConnection, final NotificationListener listener) {
- LOG.trace("Called registerAsJMXListener");
- try {
- mBeanServerConnection.addNotificationListener(ConfigJMXNotification.OBJECT_NAME, listener, null, null);
- } catch (InstanceNotFoundException | IOException e) {
- throw new IllegalStateException("Cannot register as JMX listener to netconf", e);
- }
- }
-
- @Override
- public synchronized void close() {
- // unregister from JMX
- final ObjectName on = ConfigJMXNotification.OBJECT_NAME;
- try {
- if (mBeanServerConnection.isRegistered(on)) {
- mBeanServerConnection.removeNotificationListener(on, listener);
- }
- } catch (final Exception e) {
- LOG.warn("Unable to unregister {} as listener for {}", listener, on, e);
- }
- }
-}
-
-class ConfigPersisterNotificationListener implements NotificationListener {
- private static final Logger LOG = LoggerFactory.getLogger(ConfigPersisterNotificationListener.class);
-
- private final Persister persisterAggregator;
- private final ConfigSubsystemFacadeFactory facade;
-
- ConfigPersisterNotificationListener(final Persister persisterAggregator, final ConfigSubsystemFacadeFactory facade) {
- this.persisterAggregator = persisterAggregator;
- this.facade = facade;
- }
-
- @Override
- public void handleNotification(final Notification notification, final Object handback) {
- if (!(notification instanceof ConfigJMXNotification)) {
- return;
- }
-
- // Socket should not be closed at this point
- // Activator unregisters this as JMX listener before close is called
-
- LOG.trace("Received notification {}", notification);
- if (notification instanceof CommitJMXNotification) {
- try {
- handleAfterCommitNotification();
- } catch (final Exception e) {
- // log exceptions from notification Handler here since
- // notificationBroadcastSupport logs only DEBUG level
- LOG.warn("Failed to handle notification {}", notification, e);
- throw e;
- }
- } else {
- throw new IllegalStateException("Unknown config registry notification type " + notification);
- }
- }
-
- private void handleAfterCommitNotification() {
- try {
- final Set<Capability> currentCapabilities = facade.getCurrentCapabilities();
- final Element configSnapshot = facade.createFacade("config-persister").getConfiguration(XmlUtil.newDocument(), Datastore.running, Optional.<String>absent());
- persisterAggregator.persistConfig(new CapabilityStrippingConfigSnapshotHolder(configSnapshot,
- ConfigPusherImpl.transformCapabilities(currentCapabilities)));
- LOG.trace("Configuration persisted successfully");
- } catch (final IOException e) {
- throw new RuntimeException("Unable to persist configuration snapshot", e);
- }
- }
-}
Code Review / controller.git / blobdiff