/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.plugin;
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import java.util.ArrayList;
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import java.util.LinkedHashSet;
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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.core.DirectoryServer;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.AttributeValue;
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/**
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* Class used to generate monitoring information for the Synchronization.
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*/
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public class SynchronizationMonitor extends MonitorProvider
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{
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private SynchronizationDomain domain; // the synchronization plugin
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/**
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* Create a new Synchronization monitor.
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* @param domain the plugin which created the monitor
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*/
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public SynchronizationMonitor(SynchronizationDomain domain)
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{
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super("Synchronization monitor " + domain.getBaseDN().toString());
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this.domain = domain;
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}
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/**
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* initialization function for the Monitor.
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* Not used for now
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* @param configEntry the entry to use for initialization
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*/
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@Override
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public void initializeMonitorProvider(ConfigEntry configEntry)
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{
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// TODO Auto-generated method stub
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}
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/**
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* Retrieves the name of this monitor provider. It should be unique among all
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* monitor providers, including all instances of the same monitor provider.
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*
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* @return The name of this monitor provider.
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*/
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@Override
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public String getMonitorInstanceName()
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{
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return "synchronization plugin " + domain.getBaseDN().toString();
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}
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/**
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* Retrieves a set of attributes containing monitor data that should be
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* returned to the client if the corresponding monitor entry is requested.
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*
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* @return A set of attributes containing monitor data that should be
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* returned to the client if the corresponding monitor entry is
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* requested.
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*/
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@Override
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public ArrayList<Attribute> getMonitorData()
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{
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ArrayList<Attribute> attributes = new ArrayList<Attribute>();
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/* get the base dn */
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Attribute attr = new Attribute("base-dn", domain.getBaseDN().toString());
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attributes.add(attr);
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/* get the base dn */
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attr = new Attribute("connected-to", domain.getChangelogServer());
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attributes.add(attr);
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/* get number of lost connections */
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addMonitorData(attributes, "lost-connections",
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domain.getNumLostConnections());
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/* get number of received updates */
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addMonitorData(attributes, "received-updates", domain.getNumRcvdUpdates());
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/* get number of updates sent */
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addMonitorData(attributes, "sent-updates", domain.getNumSentUpdates());
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/* get number of changes in the pending list */
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addMonitorData(attributes, "pending-updates",
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domain.getPendingUpdatesCount());
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/* get number of changes replayed */
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addMonitorData(attributes, "replayed-updates",
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domain.getNumProcessedUpdates());
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/* get number of changes successfully */
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addMonitorData(attributes, "replayed-updates-ok",
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domain.getNumReplayedPostOpCalled());
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/* get window information */
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addMonitorData(attributes, "max-rcv-window", domain.getMaxRcvWindow());
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addMonitorData(attributes, "current-rcv-window",
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domain.getCurrentRcvWindow());
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addMonitorData(attributes, "max-send-window",
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domain.getMaxSendWindow());
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addMonitorData(attributes, "current-send-window",
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domain.getCurrentSendWindow());
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/* get the Server State */
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final String ATTR_SERVER_STATE = "server-state";
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AttributeType type =
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DirectoryServer.getDefaultAttributeType(ATTR_SERVER_STATE);
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LinkedHashSet<AttributeValue> values = new LinkedHashSet<AttributeValue>();
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for (String str : domain.getServerState().toStringSet())
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{
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values.add(new AttributeValue(type,str));
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}
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attr = new Attribute(type, ATTR_SERVER_STATE, values);
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attributes.add(attr);
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return attributes;
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}
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/**
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* Add an attribute with an integer value to the list of monitoring
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* attributes.
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*
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* @param attributes the list of monitoring attributes
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* @param name the name of the attribute to add.
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* @param value The integer value of he attribute to add.
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*/
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private void addMonitorData(ArrayList<Attribute> attributes,
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String name, int value)
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{
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Attribute attr;
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AttributeType type;
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LinkedHashSet<AttributeValue> values;
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type = DirectoryServer.getDefaultAttributeType(name);
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values = new LinkedHashSet<AttributeValue>();
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values.add(new AttributeValue(type, String.valueOf(value)));
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attr = new Attribute(type, name, values);
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attributes.add(attr);
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}
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/**
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* Retrieves the length of time in milliseconds that should elapse between
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* calls to the <CODE>updateMonitorData()</CODE> method. A negative or zero
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* return value indicates that the <CODE>updateMonitorData()</CODE> method
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* should not be periodically invoked.
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*
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* @return The length of time in milliseconds that should elapse between
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* calls to the <CODE>updateMonitorData()</CODE> method.
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*/
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@Override
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public long getUpdateInterval()
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{
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/* we don't wont to do polling on this monitor */
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return 0;
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}
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/**
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* Performs any processing periodic processing that may be desired to update
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* the information associated with this monitor. Note that best-effort
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* attempts will be made to ensure that calls to this method come
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* <CODE>getUpdateInterval()</CODE> milliseconds apart, but no guarantees will
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* be made.
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*/
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@Override
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public void updateMonitorData()
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{
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// As long as getUpdateInterval() returns 0, this will never get called
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}
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}
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