/*
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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.monitors;
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import java.util.LinkedHashSet;
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import java.util.LinkedList;
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import java.util.List;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.ConnectionHandler;
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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.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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import org.opends.server.types.ByteStringFactory;
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import org.opends.server.types.DirectoryConfig;
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import org.opends.server.types.HostPort;
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import org.opends.server.types.ObjectClass;
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import static org.opends.server.util.ServerConstants.*;
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/**
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* This class implements a monitor provider that will report generic information
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* for an enabled Directory Server connection handler, including its protocol,
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* listeners, and established connections.
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*/
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public class ConnectionHandlerMonitor
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extends MonitorProvider
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{
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// The attribute type that will be used to report the established connections.
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private AttributeType connectionsType;
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// The attribute type that will be used to report the listeners.
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private AttributeType listenerType;
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// The attribute type that will be used to report the number of established
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// client connections.
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private AttributeType numConnectionsType;
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// The attribute type that will be used to report the protocol.
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private AttributeType protocolType;
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// The connection handler with which this monitor is associated.
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private ConnectionHandler connectionHandler;
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// The name for this monitor.
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private String monitorName;
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/**
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* Creates a new instance of this connection handler monitor provider that
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* will work with the provided connection handler. Most of the initialization
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* should be handled in the {@code initializeMonitorProvider} method.
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*
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* @param connectionHandler The connection handler with which this monitor
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* is associated.
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*/
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public ConnectionHandlerMonitor(ConnectionHandler connectionHandler)
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{
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super(connectionHandler.getConnectionHandlerName());
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this.connectionHandler = connectionHandler;
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}
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/**
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* {@inheritDoc}
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*/
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public void initializeMonitorProvider(ConfigEntry configEntry)
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{
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monitorName = connectionHandler.getConnectionHandlerName();
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connectionsType =
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DirectoryConfig.getAttributeType(ATTR_MONITOR_CONNHANDLER_CONNECTION,
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true);
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listenerType =
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DirectoryConfig.getAttributeType(ATTR_MONITOR_CONNHANDLER_LISTENER,
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true);
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numConnectionsType =
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DirectoryConfig.getAttributeType(
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ATTR_MONITOR_CONNHANDLER_NUMCONNECTIONS, true);
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protocolType =
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DirectoryConfig.getAttributeType(ATTR_MONITOR_CONNHANDLER_PROTOCOL,
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true);
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}
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/**
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* {@inheritDoc}
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*/
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public String getMonitorInstanceName()
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{
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return monitorName;
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}
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/**
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* Retrieves the objectclass that should be included in the monitor entry
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* created from this monitor provider.
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*
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* @return The objectclass that should be included in the monitor entry
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* created from this monitor provider.
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*/
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public ObjectClass getMonitorObjectClass()
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{
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return DirectoryConfig.getObjectClass(OC_MONITOR_CONNHANDLER, true);
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}
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/**
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* {@inheritDoc}
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*/
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public long getUpdateInterval()
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{
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// We don't need do anything on a periodic basis.
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return 0;
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}
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/**
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* {@inheritDoc}
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*/
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public void updateMonitorData()
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{
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// No implementaiton is required.
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}
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/**
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* {@inheritDoc}
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*/
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public List<Attribute> getMonitorData()
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{
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LinkedList<Attribute> attrs = new LinkedList<Attribute>();
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int numConnections = 0;
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LinkedList<ClientConnection> conns =
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new LinkedList<ClientConnection>(
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connectionHandler.getClientConnections());
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LinkedList<HostPort> listeners =
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new LinkedList<HostPort>(connectionHandler.getListeners());
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LinkedHashSet<AttributeValue> values = new LinkedHashSet<AttributeValue>();
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values.add(new AttributeValue(protocolType,
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ByteStringFactory.create(connectionHandler.getProtocol())));
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attrs.add(new Attribute(protocolType, ATTR_MONITOR_CONNHANDLER_PROTOCOL,
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values));
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if (! listeners.isEmpty())
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{
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values = new LinkedHashSet<AttributeValue>();
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for (HostPort hp : listeners)
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{
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values.add(new AttributeValue(listenerType,
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ByteStringFactory.create(hp.toString())));
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}
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attrs.add(new Attribute(listenerType, ATTR_MONITOR_CONNHANDLER_LISTENER,
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values));
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}
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if (! conns.isEmpty())
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{
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values = new LinkedHashSet<AttributeValue>();
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for (ClientConnection c : conns)
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{
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numConnections++;
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values.add(new AttributeValue(connectionsType,
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ByteStringFactory.create(c.getMonitorSummary())));
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}
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attrs.add(new Attribute(connectionsType,
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ATTR_MONITOR_CONNHANDLER_CONNECTION, values));
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}
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values = new LinkedHashSet<AttributeValue>();
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values.add(new AttributeValue(numConnectionsType,
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ByteStringFactory.create(String.valueOf(numConnections))));
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attrs.add(new Attribute(numConnectionsType,
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ATTR_MONITOR_CONNHANDLER_NUMCONNECTIONS, values));
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return attrs;
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}
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}
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