/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2012-2014 ForgeRock AS.
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*/
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package org.opends.server.backends;
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import java.util.*;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ConditionResult;
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import org.forgerock.util.Reject;
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import org.opends.server.admin.Configuration;
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import org.opends.server.admin.server.ConfigurationChangeListener;
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import org.opends.server.admin.std.server.MonitorBackendCfg;
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import org.opends.server.api.Backend;
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import org.opends.server.api.MonitorProvider;
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import org.opends.server.config.ConfigEntry;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.*;
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import org.opends.server.types.*;
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import org.opends.server.util.DynamicConstants;
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import org.opends.server.util.LDIFWriter;
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import org.opends.server.util.TimeThread;
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import static org.opends.messages.BackendMessages.*;
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import static org.opends.messages.ConfigMessages.*;
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import static org.opends.server.config.ConfigConstants.*;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class defines a backend to hold Directory Server monitor entries. It
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* will not actually store anything, but upon request will retrieve the
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* requested monitor and dynamically generate the associated entry. It will also
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* construct a base monitor entry with some useful server-wide data.
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*/
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public class MonitorBackend extends Backend implements
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ConfigurationChangeListener<MonitorBackendCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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// The set of user-defined attributes that will be included in the base
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// monitor entry.
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private ArrayList<Attribute> userDefinedAttributes;
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// The set of objectclasses that will be used in monitor entries.
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private HashMap<ObjectClass, String> monitorObjectClasses;
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// The DN of the configuration entry for this backend.
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private DN configEntryDN;
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// The current configuration state.
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private MonitorBackendCfg currentConfig;
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// The DN for the base monitor entry.
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private DN baseMonitorDN;
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// The set of base DNs for this backend.
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private DN[] baseDNs;
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// The set of supported controls for this backend.
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private HashSet<String> supportedControls;
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// The set of supported features for this backend.
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private HashSet<String> supportedFeatures;
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/**
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* Creates a new backend with the provided information. All backend
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* implementations must implement a default constructor that use
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* <CODE>super()</CODE> to invoke this constructor.
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*/
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public MonitorBackend()
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{
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super();
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void addEntry(final Entry entry, final AddOperation addOperation)
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throws DirectoryException
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{
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throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM,
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ERR_MONITOR_ADD_NOT_SUPPORTED.get(entry.getName()));
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public ConfigChangeResult applyConfigurationChange(
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final MonitorBackendCfg backendCfg)
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{
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ResultCode resultCode = ResultCode.SUCCESS;
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final boolean adminActionRequired = false;
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final ArrayList<LocalizableMessage> messages = new ArrayList<LocalizableMessage>();
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// Check to see if there is a new set of user-defined attributes.
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final ArrayList<Attribute> userAttrs = new ArrayList<Attribute>();
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try
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{
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final ConfigEntry configEntry = DirectoryServer
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.getConfigEntry(configEntryDN);
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for (final List<Attribute> attrs : configEntry.getEntry()
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.getUserAttributes().values())
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{
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for (final Attribute a : attrs)
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{
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if (!isMonitorConfigAttribute(a))
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{
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userAttrs.add(a);
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}
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}
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}
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for (final List<Attribute> attrs : configEntry.getEntry()
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.getOperationalAttributes().values())
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{
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for (final Attribute a : attrs)
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{
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if (!isMonitorConfigAttribute(a))
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{
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userAttrs.add(a);
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}
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}
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}
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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messages.add(ERR_CONFIG_BACKEND_ERROR_INTERACTING_WITH_BACKEND_ENTRY.get(
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configEntryDN, stackTraceToSingleLineString(e)));
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resultCode = DirectoryServer.getServerErrorResultCode();
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}
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userDefinedAttributes = userAttrs;
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final LocalizableMessage message = INFO_MONITOR_USING_NEW_USER_ATTRS.get();
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messages.add(message);
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currentConfig = backendCfg;
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return new ConfigChangeResult(resultCode, adminActionRequired, messages);
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void configureBackend(final Configuration config)
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throws ConfigException
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{
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Reject.ifNull(config);
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Reject.ifFalse(config instanceof MonitorBackendCfg);
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final MonitorBackendCfg cfg = (MonitorBackendCfg) config;
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final ConfigEntry configEntry = DirectoryServer.getConfigEntry(cfg.dn());
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// Make sure that a configuration entry was provided. If not, then we will
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// not be able to complete initialization.
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if (configEntry == null)
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{
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final LocalizableMessage message = ERR_MONITOR_CONFIG_ENTRY_NULL.get();
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throw new ConfigException(message);
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}
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configEntryDN = configEntry.getDN();
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// Get the set of user-defined attributes for the configuration entry. Any
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// attributes that we don't recognize will be included directly in the base
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// monitor entry.
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userDefinedAttributes = new ArrayList<Attribute>();
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for (final List<Attribute> attrs : configEntry.getEntry()
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.getUserAttributes().values())
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{
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for (final Attribute a : attrs)
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{
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if (!isMonitorConfigAttribute(a))
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{
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userDefinedAttributes.add(a);
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}
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}
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}
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for (final List<Attribute> attrs : configEntry.getEntry()
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.getOperationalAttributes().values())
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{
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for (final Attribute a : attrs)
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{
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if (!isMonitorConfigAttribute(a))
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{
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userDefinedAttributes.add(a);
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}
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}
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}
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// Construct the set of objectclasses to include in the base monitor entry.
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monitorObjectClasses = new LinkedHashMap<ObjectClass, String>(2);
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final ObjectClass topOC = DirectoryServer.getObjectClass(OC_TOP, true);
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monitorObjectClasses.put(topOC, OC_TOP);
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final ObjectClass monitorOC = DirectoryServer.getObjectClass(
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OC_MONITOR_ENTRY, true);
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monitorObjectClasses.put(monitorOC, OC_MONITOR_ENTRY);
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// Define an empty sets for the supported controls and features.
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supportedControls = new HashSet<String>(0);
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supportedFeatures = new HashSet<String>(0);
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// Create the set of base DNs that we will handle. In this case, it's just
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// the DN of the base monitor entry.
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try
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{
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baseMonitorDN = DN.valueOf(DN_MONITOR_ROOT);
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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final LocalizableMessage message = ERR_MONITOR_CANNOT_DECODE_MONITOR_ROOT_DN
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.get(getExceptionMessage(e));
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throw new ConfigException(message, e);
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}
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// FIXME -- Deal with this more correctly.
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this.baseDNs = new DN[] { baseMonitorDN };
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currentConfig = cfg;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void createBackup(final BackupConfig backupConfig)
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throws DirectoryException
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{
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// This backend does not provide a backup/restore mechanism.
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final LocalizableMessage message = ERR_MONITOR_BACKUP_AND_RESTORE_NOT_SUPPORTED.get();
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throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void deleteEntry(final DN entryDN,
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final DeleteOperation deleteOperation) throws DirectoryException
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{
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throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM,
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ERR_MONITOR_DELETE_NOT_SUPPORTED.get(entryDN));
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public boolean entryExists(final DN entryDN) throws DirectoryException
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{
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return getDIT().containsKey(entryDN);
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void exportLDIF(final LDIFExportConfig exportConfig)
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throws DirectoryException
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{
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// TODO export-ldif reports nonsense for upTime etc.
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// Create the LDIF writer.
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LDIFWriter ldifWriter;
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try
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{
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ldifWriter = new LDIFWriter(exportConfig);
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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final LocalizableMessage message = ERR_ROOTDSE_UNABLE_TO_CREATE_LDIF_WRITER
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.get(stackTraceToSingleLineString(e));
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throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
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message);
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}
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// Write the base monitor entry to the LDIF.
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try
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{
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ldifWriter.writeEntry(getBaseMonitorEntry());
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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try
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{
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ldifWriter.close();
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}
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catch (final Exception e2)
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{
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logger.traceException(e2);
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}
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final LocalizableMessage message = ERR_MONITOR_UNABLE_TO_EXPORT_BASE
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.get(stackTraceToSingleLineString(e));
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throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
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message);
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}
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// Get all the monitor providers, convert them to entries, and write them to
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// LDIF.
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for (final MonitorProvider<?> monitorProvider : DirectoryServer
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.getMonitorProviders().values())
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{
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try
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{
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// TODO implementation of export is incomplete
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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try
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{
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ldifWriter.close();
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}
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catch (final Exception e2)
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{
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logger.traceException(e2);
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}
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final LocalizableMessage message = ERR_MONITOR_UNABLE_TO_EXPORT_PROVIDER_ENTRY
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.get(monitorProvider.getMonitorInstanceName(),
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stackTraceToSingleLineString(e));
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throw new DirectoryException(
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DirectoryServer.getServerErrorResultCode(), message);
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}
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}
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// Close the monitor provider and return.
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try
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{
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ldifWriter.close();
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void finalizeBackend()
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{
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currentConfig.removeMonitorChangeListener(this);
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try
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{
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DirectoryServer.deregisterBaseDN(baseMonitorDN);
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public DN[] getBaseDNs()
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{
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return baseDNs;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public Entry getEntry(final DN entryDN) throws DirectoryException
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{
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// If the requested entry was null, then throw an exception.
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if (entryDN == null)
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{
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final LocalizableMessage message = ERR_MONITOR_GET_ENTRY_NULL.get();
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throw new DirectoryException(DirectoryServer.getServerErrorResultCode(),
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message);
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}
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// If the requested entry was the monitor base entry, then retrieve it
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// without constructing the DIT.
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if (entryDN.equals(baseMonitorDN))
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{
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return getBaseMonitorEntry();
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}
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// From now on we'll need the DIT.
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final Map<DN, MonitorProvider<?>> dit = getDIT();
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if (!dit.containsKey(entryDN))
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{
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throw new DirectoryException(ResultCode.NO_SUCH_OBJECT,
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ERR_MONITOR_INVALID_BASE.get(entryDN, baseMonitorDN));
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}
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// The DN is associated with a valid monitor/glue entry.
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return getEntry(entryDN, dit);
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public long getEntryCount()
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{
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return getDIT().size();
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public HashSet<String> getSupportedControls()
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{
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return supportedControls;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public HashSet<String> getSupportedFeatures()
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{
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return supportedFeatures;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public ConditionResult hasSubordinates(final DN entryDN)
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throws DirectoryException
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{
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final NavigableMap<DN, MonitorProvider<?>> dit = getDIT();
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if (!dit.containsKey(entryDN))
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{
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return ConditionResult.UNDEFINED;
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}
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else
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{
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final DN nextDN = dit.higherKey(entryDN);
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if (nextDN == null || !nextDN.isDescendantOf(entryDN))
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{
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return ConditionResult.FALSE;
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}
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else
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{
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return ConditionResult.TRUE;
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}
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public LDIFImportResult importLDIF(final LDIFImportConfig importConfig)
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throws DirectoryException
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{
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// This backend does not support LDIF imports.
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final LocalizableMessage message = ERR_MONITOR_IMPORT_NOT_SUPPORTED.get();
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throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public void initializeBackend() throws ConfigException,
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InitializationException
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{
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// Register with the Directory Server as a configurable component.
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currentConfig.addMonitorChangeListener(this);
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// Register the monitor base as a private suffix.
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try
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{
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DirectoryServer.registerBaseDN(baseMonitorDN, this, true);
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}
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catch (final Exception e)
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{
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logger.traceException(e);
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final LocalizableMessage message = ERR_BACKEND_CANNOT_REGISTER_BASEDN.get(
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baseMonitorDN, getExceptionMessage(e));
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throw new InitializationException(message, e);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean isConfigurationChangeAcceptable(
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final MonitorBackendCfg backendCfg,
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final List<LocalizableMessage> unacceptableReasons)
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{
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// We'll pretty much accept anything here as long as it isn't one of our
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// private attributes.
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public boolean isIndexed(final AttributeType attributeType,
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final IndexType indexType)
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{
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// All searches in this backend will always be considered indexed.
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override()
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public boolean isLocal()
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{
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// For the purposes of this method, this is a local backend.
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return true;
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}
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|
|
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/**
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* {@inheritDoc}
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*/
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@Override()
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public long numSubordinates(final DN entryDN, final boolean subtree)
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throws DirectoryException
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{
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final NavigableMap<DN, MonitorProvider<?>> dit = getDIT();
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if (!dit.containsKey(entryDN))
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{
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return -1L;
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}
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else
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{
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long count = 0;
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final int childDNSize = entryDN.size() + 1;
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for (final DN dn : dit.tailMap(entryDN, false).navigableKeySet())
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{
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if (!dn.isDescendantOf(entryDN))
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{
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break;
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}
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else if (subtree || dn.size() == childDNSize)
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{
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count++;
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}
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}
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return count;
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}
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}
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|
|
|
/**
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* {@inheritDoc}
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*/
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@Override
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public void preloadEntryCache() throws UnsupportedOperationException
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{
|
throw new UnsupportedOperationException("Operation not supported.");
|
}
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|
|
|
/**
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* {@inheritDoc}
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*/
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@Override()
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public void removeBackup(final BackupDirectory backupDirectory,
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final String backupID) throws DirectoryException
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{
|
// This backend does not provide a backup/restore mechanism.
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final LocalizableMessage message = ERR_MONITOR_BACKUP_AND_RESTORE_NOT_SUPPORTED.get();
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
|
}
|
|
|
|
/**
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* {@inheritDoc}
|
*/
|
@Override()
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public void renameEntry(final DN currentDN, final Entry entry,
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final ModifyDNOperation modifyDNOperation) throws DirectoryException
|
{
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM,
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ERR_MONITOR_MODIFY_DN_NOT_SUPPORTED.get(currentDN));
|
}
|
|
|
|
/**
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* {@inheritDoc}
|
*/
|
@Override()
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public void replaceEntry(final Entry oldEntry, final Entry newEntry,
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final ModifyOperation modifyOperation) throws DirectoryException
|
{
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM,
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ERR_MONITOR_MODIFY_NOT_SUPPORTED.get(newEntry.getName(), configEntryDN));
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public void restoreBackup(final RestoreConfig restoreConfig)
|
throws DirectoryException
|
{
|
// This backend does not provide a backup/restore mechanism.
|
final LocalizableMessage message = ERR_MONITOR_BACKUP_AND_RESTORE_NOT_SUPPORTED.get();
|
throw new DirectoryException(ResultCode.UNWILLING_TO_PERFORM, message);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public void search(final SearchOperation searchOperation)
|
throws DirectoryException
|
{
|
// Get the base DN, scope, and filter for the search.
|
final DN baseDN = searchOperation.getBaseDN();
|
final SearchScope scope = searchOperation.getScope();
|
final SearchFilter filter = searchOperation.getFilter();
|
|
// Compute the current monitor DIT.
|
final NavigableMap<DN, MonitorProvider<?>> dit = getDIT();
|
|
// Resolve the base entry and return no such object if it does not exist.
|
if (!dit.containsKey(baseDN))
|
{
|
// Not found, so find the nearest match.
|
DN matchedDN = baseDN.parent();
|
while (matchedDN != null)
|
{
|
if (dit.containsKey(matchedDN))
|
{
|
break;
|
}
|
matchedDN = matchedDN.parent();
|
}
|
final LocalizableMessage message = ERR_MEMORYBACKEND_ENTRY_DOESNT_EXIST.get(baseDN);
|
throw new DirectoryException(ResultCode.NO_SUCH_OBJECT, message,
|
matchedDN, null);
|
}
|
|
// Walk through all entries and send the ones that match.
|
for (final Map.Entry<DN, MonitorProvider<?>> e : dit.tailMap(baseDN)
|
.entrySet())
|
{
|
final DN dn = e.getKey();
|
if (dn.matchesBaseAndScope(baseDN, scope))
|
{
|
final Entry entry = getEntry(dn, dit);
|
if (filter.matchesEntry(entry))
|
{
|
searchOperation.returnEntry(entry, null);
|
}
|
}
|
else if (scope == SearchScope.BASE_OBJECT || !dn.isDescendantOf(baseDN))
|
{
|
// No more entries will be in scope.
|
break;
|
}
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean supportsBackup()
|
{
|
// This backend does not provide a backup/restore mechanism.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean supportsBackup(final BackupConfig backupConfig,
|
final StringBuilder unsupportedReason)
|
{
|
// This backend does not provide a backup/restore mechanism.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean supportsLDIFExport()
|
{
|
// We can export all the monitor entries as a point-in-time snapshot.
|
// TODO implementation of export is incomplete
|
// TODO export-ldif reports nonsense for upTime etc.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean supportsLDIFImport()
|
{
|
// This backend does not support LDIF imports.
|
return false;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean supportsRestore()
|
{
|
// This backend does not provide a backup/restore mechanism.
|
return false;
|
}
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/**
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* Creates an attribute for a monitor entry with the following criteria.
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*
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* @param name
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* The name for the attribute.
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* @param lowerName
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* The name for the attribute formatted in all lowercase characters.
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* @param value
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* The value to use for the attribute.
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* @return The constructed attribute.
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*/
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private Attribute createAttribute(final String name, final String lowerName,
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final String value)
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{
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return Attributes.create(name, value);
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}
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/**
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* Retrieves the base monitor entry for the Directory Server.
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*
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* @return The base monitor entry for the Directory Server.
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*/
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private Entry getBaseMonitorEntry()
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{
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final HashMap<ObjectClass, String> monitorClasses =
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new LinkedHashMap<ObjectClass, String>(3);
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monitorClasses.putAll(monitorObjectClasses);
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final ObjectClass extensibleObjectOC = DirectoryServer.getObjectClass(
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OC_EXTENSIBLE_OBJECT_LC, true);
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monitorClasses.put(extensibleObjectOC, OC_EXTENSIBLE_OBJECT);
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final HashMap<AttributeType, List<Attribute>> monitorUserAttrs =
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new LinkedHashMap<AttributeType, List<Attribute>>();
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final HashMap<AttributeType, List<Attribute>> monitorOperationalAttrs =
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new LinkedHashMap<AttributeType, List<Attribute>>();
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// Add the "cn" attribute.
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final Attribute cnAttr = createAttribute(ATTR_COMMON_NAME,
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ATTR_COMMON_NAME, "monitor");
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final ArrayList<Attribute> cnList = new ArrayList<Attribute>(1);
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cnList.add(cnAttr);
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monitorUserAttrs.put(cnAttr.getAttributeType(), cnList);
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// Add the server product name.
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final Attribute productNameAttr = createAttribute(ATTR_PRODUCT_NAME,
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ATTR_PRODUCT_NAME_LC, DynamicConstants.PRODUCT_NAME);
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final ArrayList<Attribute> productNameList = new ArrayList<Attribute>(1);
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productNameList.add(productNameAttr);
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monitorUserAttrs.put(productNameAttr.getAttributeType(), productNameList);
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// Add the vendor name.
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final Attribute vendorNameAttr = createAttribute(ATTR_VENDOR_NAME,
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ATTR_VENDOR_NAME_LC, SERVER_VENDOR_NAME);
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final ArrayList<Attribute> vendorNameList = new ArrayList<Attribute>(1);
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vendorNameList.add(vendorNameAttr);
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monitorUserAttrs.put(vendorNameAttr.getAttributeType(), vendorNameList);
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// Add the vendor version.
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final Attribute versionAttr = createAttribute(ATTR_VENDOR_VERSION,
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ATTR_VENDOR_VERSION_LC, DirectoryServer.getVersionString());
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final ArrayList<Attribute> versionList = new ArrayList<Attribute>(1);
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versionList.add(versionAttr);
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monitorUserAttrs.put(versionAttr.getAttributeType(), versionList);
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// Add the server startup time.
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final Attribute startTimeAttr = createAttribute(ATTR_START_TIME,
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ATTR_START_TIME_LC, DirectoryServer.getStartTimeUTC());
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final ArrayList<Attribute> startTimeList = new ArrayList<Attribute>(1);
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startTimeList.add(startTimeAttr);
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monitorUserAttrs.put(startTimeAttr.getAttributeType(), startTimeList);
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// Add the current time.
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final Attribute currentTimeAttr = createAttribute(ATTR_CURRENT_TIME,
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ATTR_CURRENT_TIME_LC, TimeThread.getGMTTime());
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final ArrayList<Attribute> currentTimeList = new ArrayList<Attribute>(1);
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currentTimeList.add(currentTimeAttr);
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monitorUserAttrs.put(currentTimeAttr.getAttributeType(), currentTimeList);
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// Add the uptime as a human-readable string.
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long upSeconds = ((System.currentTimeMillis() - DirectoryServer
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.getStartTime()) / 1000);
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final long upDays = (upSeconds / 86400);
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upSeconds %= 86400;
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final long upHours = (upSeconds / 3600);
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upSeconds %= 3600;
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final long upMinutes = (upSeconds / 60);
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upSeconds %= 60;
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final LocalizableMessage upTimeStr = INFO_MONITOR_UPTIME.get(upDays, upHours,
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upMinutes, upSeconds);
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final Attribute upTimeAttr = createAttribute(ATTR_UP_TIME, ATTR_UP_TIME_LC,
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upTimeStr.toString());
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final ArrayList<Attribute> upTimeList = new ArrayList<Attribute>(1);
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upTimeList.add(upTimeAttr);
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monitorUserAttrs.put(upTimeAttr.getAttributeType(), upTimeList);
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// Add the number of connections currently established.
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final long currentConns = DirectoryServer.getCurrentConnections();
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final Attribute currentConnsAttr = createAttribute(ATTR_CURRENT_CONNS,
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ATTR_CURRENT_CONNS_LC, String.valueOf(currentConns));
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final ArrayList<Attribute> currentConnsList = new ArrayList<Attribute>(1);
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currentConnsList.add(currentConnsAttr);
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monitorUserAttrs.put(currentConnsAttr.getAttributeType(), currentConnsList);
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// Add the maximum number of connections established at one time.
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final long maxConns = DirectoryServer.getMaxConnections();
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final Attribute maxConnsAttr = createAttribute(ATTR_MAX_CONNS,
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ATTR_MAX_CONNS_LC, String.valueOf(maxConns));
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final ArrayList<Attribute> maxConnsList = new ArrayList<Attribute>(1);
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maxConnsList.add(maxConnsAttr);
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monitorUserAttrs.put(maxConnsAttr.getAttributeType(), maxConnsList);
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// Add the total number of connections the server has accepted.
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final long totalConns = DirectoryServer.getTotalConnections();
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final Attribute totalConnsAttr = createAttribute(ATTR_TOTAL_CONNS,
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ATTR_TOTAL_CONNS_LC, String.valueOf(totalConns));
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final ArrayList<Attribute> totalConnsList = new ArrayList<Attribute>(1);
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totalConnsList.add(totalConnsAttr);
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monitorUserAttrs.put(totalConnsAttr.getAttributeType(), totalConnsList);
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// Add all the user-defined attributes.
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for (final Attribute a : userDefinedAttributes)
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{
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final AttributeType type = a.getAttributeType();
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if (type.isOperational())
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{
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List<Attribute> attrs = monitorOperationalAttrs.get(type);
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if (attrs == null)
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{
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attrs = new ArrayList<Attribute>();
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attrs.add(a);
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monitorOperationalAttrs.put(type, attrs);
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}
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else
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{
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attrs.add(a);
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}
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}
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else
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{
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List<Attribute> attrs = monitorUserAttrs.get(type);
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if (attrs == null)
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{
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attrs = new ArrayList<Attribute>();
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attrs.add(a);
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monitorUserAttrs.put(type, attrs);
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}
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else
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{
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attrs.add(a);
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}
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}
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}
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// Construct and return the entry.
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final Entry e = new Entry(baseMonitorDN, monitorClasses, monitorUserAttrs,
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monitorOperationalAttrs);
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e.processVirtualAttributes();
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return e;
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}
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/**
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* Retrieves the branch monitor entry for the Directory Server.
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*
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* @param dn
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* to get.
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* @return The branch monitor entry for the Directory Server.
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*/
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private Entry getBranchMonitorEntry(final DN dn)
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{
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final HashMap<ObjectClass, String> monitorClasses =
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new LinkedHashMap<ObjectClass, String>(3);
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monitorClasses.putAll(monitorObjectClasses);
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final ObjectClass monitorOC = DirectoryServer.getObjectClass(
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OC_MONITOR_BRANCH, true);
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monitorClasses.put(monitorOC, OC_MONITOR_BRANCH);
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final HashMap<AttributeType, List<Attribute>> monitorUserAttrs =
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new LinkedHashMap<AttributeType, List<Attribute>>();
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final RDN rdn = dn.rdn();
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if (rdn != null)
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{
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// Add the RDN values
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for (int i = 0; i < rdn.getNumValues(); i++)
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{
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final AttributeType attributeType = rdn.getAttributeType(i);
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final AttributeValue value = rdn.getAttributeValue(attributeType);
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final Attribute attr = Attributes.create(attributeType, value);
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final List<Attribute> attrList = new ArrayList<Attribute>(1);
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attrList.add(attr);
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monitorUserAttrs.put(attributeType, attrList);
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}
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}
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// Construct and return the entry.
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final Entry e = new Entry(dn, monitorClasses, monitorUserAttrs, null);
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e.processVirtualAttributes();
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return e;
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}
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/**
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* Returns a map containing records for each DN in the monitor backend's DIT.
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* Each record maps the entry DN to the associated monitor provider, or
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* {@code null} if the entry is a glue (branch) entry.
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*
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* @return A map containing records for each DN in the monitor backend's DIT.
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*/
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private NavigableMap<DN, MonitorProvider<?>> getDIT()
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{
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final NavigableMap<DN, MonitorProvider<?>> dit =
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new TreeMap<DN, MonitorProvider<?>>();
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for (final MonitorProvider<?> monitorProvider : DirectoryServer
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.getMonitorProviders().values())
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{
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DN dn = DirectoryServer.getMonitorProviderDN(monitorProvider);
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dit.put(dn, monitorProvider);
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// Added glue records.
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for (dn = dn.parent(); dn != null; dn = dn.parent())
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{
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if (dit.containsKey(dn))
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{
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break;
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}
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else
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{
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dit.put(dn, null);
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}
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}
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}
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return dit;
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}
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/**
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* Creates the monitor entry having the specified DN.
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*
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* @param entryDN
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* The name of the monitor entry.
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* @param dit
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* The monitor DIT.
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* @return Returns the monitor entry having the specified DN.
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*/
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private Entry getEntry(final DN entryDN,
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final Map<DN, MonitorProvider<?>> dit)
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{
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// Get the monitor provider.
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final MonitorProvider<?> monitorProvider = dit.get(entryDN);
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if (monitorProvider != null)
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{
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return getMonitorEntry(entryDN, monitorProvider);
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}
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else if (entryDN.equals(baseMonitorDN))
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{
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// The monitor base entry needs special treatment.
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return getBaseMonitorEntry();
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}
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else
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{
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// Create a generic glue branch entry.
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return getBranchMonitorEntry(entryDN);
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}
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}
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/**
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* Generates and returns a monitor entry based on the contents of the provided
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* monitor provider.
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*
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* @param entryDN
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* The DN to use for the entry.
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* @param monitorProvider
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* The monitor provider to use to obtain the information for the
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* entry.
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* @return The monitor entry generated from the information in the provided
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* monitor provider.
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*/
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private Entry getMonitorEntry(final DN entryDN,
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final MonitorProvider<?> monitorProvider)
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{
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final HashMap<ObjectClass, String> monitorClasses =
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new LinkedHashMap<ObjectClass, String>(
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3);
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monitorClasses.putAll(monitorObjectClasses);
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final ObjectClass monitorOC = monitorProvider.getMonitorObjectClass();
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monitorClasses.put(monitorOC, monitorOC.getPrimaryName());
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final List<Attribute> monitorAttrs = monitorProvider.getMonitorData();
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final HashMap<AttributeType, List<Attribute>> attrMap =
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new LinkedHashMap<AttributeType, List<Attribute>>(
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monitorAttrs.size() + 1);
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// Make sure to include the RDN attribute.
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final RDN entryRDN = entryDN.rdn();
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final AttributeType rdnType = entryRDN.getAttributeType(0);
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final AttributeValue rdnValue = entryRDN.getAttributeValue(0);
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final Attribute rdnAttr = Attributes.create(rdnType, rdnValue);
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final ArrayList<Attribute> rdnList = new ArrayList<Attribute>(1);
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rdnList.add(rdnAttr);
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attrMap.put(rdnType, rdnList);
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// Take the rest of the information from the monitor data.
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for (final Attribute a : monitorAttrs)
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{
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final AttributeType type = a.getAttributeType();
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List<Attribute> attrs = attrMap.get(type);
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if (attrs == null)
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{
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attrs = new ArrayList<Attribute>();
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attrs.add(a);
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attrMap.put(type, attrs);
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}
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else
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{
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attrs.add(a);
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}
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}
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final Entry e = new Entry(entryDN, monitorClasses, attrMap,
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new HashMap<AttributeType, List<Attribute>>(0));
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e.processVirtualAttributes();
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return e;
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}
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|
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/**
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* Indicates whether the provided attribute is one that is used in the
|
* configuration of this backend.
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*
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* @param attribute
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* The attribute for which to make the determination.
|
* @return <CODE>true</CODE> if the provided attribute is one that is used in
|
* the configuration of this backend, <CODE>false</CODE> if not.
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*/
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private boolean isMonitorConfigAttribute(final Attribute attribute)
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{
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final AttributeType attrType = attribute.getAttributeType();
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if (attrType.hasName(ATTR_COMMON_NAME)
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|| attrType.hasName(ATTR_BACKEND_ENABLED.toLowerCase())
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|| attrType.hasName(ATTR_BACKEND_CLASS.toLowerCase())
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|| attrType.hasName(ATTR_BACKEND_BASE_DN.toLowerCase())
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|| attrType.hasName(ATTR_BACKEND_ID.toLowerCase())
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|| attrType.hasName(ATTR_BACKEND_WRITABILITY_MODE.toLowerCase()))
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{
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return true;
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}
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|
return false;
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}
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}
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