/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2014-2016 ForgeRock AS.
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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.core.DirectoryServer;
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import org.forgerock.opendj.ldap.schema.AttributeType;
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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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/**
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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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*/
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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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/** {@inheritDoc} */
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@Override
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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 = DirectoryServer.getAttributeType(ATTR_MONITOR_CONNHANDLER_CONNECTION);
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listenerType = DirectoryServer.getAttributeType(ATTR_MONITOR_CONNHANDLER_LISTENER);
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numConnectionsType = DirectoryServer.getAttributeType(ATTR_MONITOR_CONNHANDLER_NUMCONNECTIONS);
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protocolType = DirectoryServer.getAttributeType(ATTR_MONITOR_CONNHANDLER_PROTOCOL);
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configDnType = DirectoryServer.getAttributeType(ATTR_MONITOR_CONFIG_DN);
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}
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/** {@inheritDoc} */
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@Override
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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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@Override
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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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/** {@inheritDoc} */
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@Override
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public List<Attribute> getMonitorData()
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{
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LinkedList<Attribute> attrs = new LinkedList<>();
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// Configuration DN
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attrs.add(Attributes.create(configDnType, connectionHandler.getComponentEntryDN().toString()));
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int numConnections = 0;
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LinkedList<ClientConnection> conns = new LinkedList<>(connectionHandler.getClientConnections());
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LinkedList<HostPort> listeners = new LinkedList<>(connectionHandler.getListeners());
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attrs.add(Attributes.create(protocolType, connectionHandler.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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builder.addAllStrings(listeners);
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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(c.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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