/*
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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 2008-2009 Sun Microsystems, Inc.
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* Portions Copyright 2013-2014 ForgeRock AS
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*/
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package org.opends.server.extensions;
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import org.opends.server.admin.std.server.
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GetConnectionIdExtendedOperationHandlerCfg;
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import org.opends.server.api.ExtendedOperationHandler;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.ExtendedOperation;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.opends.server.protocols.asn1.ASN1;
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import org.opends.server.protocols.asn1.ASN1Exception;
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import org.opends.server.protocols.asn1.ASN1Reader;
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import org.opends.server.protocols.asn1.ASN1Writer;
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import org.opends.server.types.*;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.ByteStringBuilder;
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import static org.opends.server.util.ServerConstants.*;
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/**
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* This class implements the "Get Connection ID" extended operation that can be
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* used to get the connection ID of the associated client connection.
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*/
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public class GetConnectionIDExtendedOperation
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extends ExtendedOperationHandler<
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GetConnectionIdExtendedOperationHandlerCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* Create an instance of this "Get Connection ID" extended operation. All
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* initialization should be performed in the
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* {@code initializeExtendedOperationHandler} method.
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*/
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public GetConnectionIDExtendedOperation()
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{
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super();
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}
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/** {@inheritDoc} */
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@Override
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public void initializeExtendedOperationHandler(
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GetConnectionIdExtendedOperationHandlerCfg config)
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throws ConfigException, InitializationException
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{
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super.initializeExtendedOperationHandler(config);
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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 processExtendedOperation(ExtendedOperation operation)
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{
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operation.setResponseOID(OID_GET_CONNECTION_ID_EXTOP);
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operation.setResponseValue(
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encodeResponseValue(operation.getConnectionID()));
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operation.setResultCode(ResultCode.SUCCESS);
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}
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/**
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* Encodes the provided connection ID in an octet string suitable for use as
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* the value for this extended operation.
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*
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* @param connectionID The connection ID to be encoded.
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*
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* @return The ASN.1 octet string containing the encoded connection ID.
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*/
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public static ByteString encodeResponseValue(long connectionID)
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{
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ByteStringBuilder builder = new ByteStringBuilder(8);
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ASN1Writer writer = ASN1.getWriter(builder);
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try
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{
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writer.writeInteger(connectionID);
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}
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catch(Exception e)
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{
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logger.traceException(e);
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}
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return builder.toByteString();
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}
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/**
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* Decodes the provided ASN.1 octet string to extract the connection ID.
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*
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* @param responseValue The response value to be decoded.
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*
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* @return The connection ID decoded from the provided response value.
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*
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* @throws ASN1Exception If an error occurs while trying to decode the
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* response value.
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*/
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public static long decodeResponseValue(ByteString responseValue)
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throws ASN1Exception
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{
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ASN1Reader reader = ASN1.getReader(responseValue);
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try
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{
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return reader.readInteger();
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}
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catch(Exception e)
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{
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// TODO: DO something
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return 0;
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}
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}
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/** {@inheritDoc} */
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@Override
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public String getExtendedOperationOID()
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{
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return OID_GET_CONNECTION_ID_EXTOP;
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}
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/** {@inheritDoc} */
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@Override
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public String getExtendedOperationName()
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{
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return "Get Connection ID";
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}
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}
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