/*
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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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*/
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package org.opends.server.monitors;
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import static org.opends.server.util.ServerConstants.*;
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import java.util.LinkedList;
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import java.util.List;
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import org.opends.server.admin.std.server.ConnectionHandlerCfg;
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import org.opends.server.admin.std.server.MonitorProviderCfg;
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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.types.*;
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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<MonitorProviderCfg>
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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 attribute type that will be used to report the config dn .
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private AttributeType configDnType;
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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(
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ConnectionHandler<? extends ConnectionHandlerCfg> connectionHandler)
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{
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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(MonitorProviderCfg configuration)
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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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configDnType =
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DirectoryConfig.getAttributeType(ATTR_MONITOR_CONFIG_DN,
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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 List<Attribute> getMonitorData()
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{
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LinkedList<Attribute> attrs = new LinkedList<Attribute>();
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// Configuration DN
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attrs.add(Attributes.create(configDnType, String.valueOf(
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connectionHandler.getComponentEntryDN().toNormalizedString())));
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int numConnections = 0;
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LinkedList<ClientConnection> conns = new LinkedList<ClientConnection>(
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connectionHandler.getClientConnections());
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LinkedList<HostPort> listeners = new LinkedList<HostPort>(connectionHandler
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.getListeners());
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attrs.add(Attributes.create(protocolType, connectionHandler
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.getProtocol()));
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if (!listeners.isEmpty())
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{
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AttributeBuilder builder = new AttributeBuilder(listenerType);
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for (HostPort hp : listeners)
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{
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builder.add(AttributeValues.create(listenerType, hp.toString()));
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}
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attrs.add(builder.toAttribute());
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}
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if (!conns.isEmpty())
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{
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AttributeBuilder builder = new AttributeBuilder(connectionsType);
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for (ClientConnection c : conns)
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{
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numConnections++;
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builder.add(AttributeValues.create(connectionsType, c
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.getMonitorSummary()));
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}
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attrs.add(builder.toAttribute());
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}
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attrs.add(Attributes.create(numConnectionsType, String
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.valueOf(numConnections)));
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return attrs;
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}
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}
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