001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    
021    package org.apache.directory.server.dhcp.options.dhcp;
022    
023    
024    import org.apache.directory.server.dhcp.options.ByteOption;
025    
026    
027    /**
028     * This option is used to indicate that the DHCP 'sname' or 'file'
029     * fields are being overloaded by using them to carry DHCP options. A
030     * DHCP server inserts this option if the returned parameters will
031     * exceed the usual space allotted for options.
032     * 
033     * If this option is present, the client interprets the specified
034     * additional fields after it concludes interpretation of the standard
035     * option fields.
036     * 
037     * The code for this option is 52, and its length is 1.  Legal values
038     * for this option are:
039     * 
040     *         Value   Meaning
041     *         -----   --------
042     *           1     the 'file' field is used to hold options
043     *           2     the 'sname' field is used to hold options
044     *           3     both fields are used to hold options
045     * 
046     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
047     * @version $Rev: 638228 $, $Date: 2008-03-18 07:12:41 +0100 (Tue, 18 Mar 2008) $
048     */
049    public class OptionOverload extends ByteOption
050    {
051        /*
052         * @see org.apache.directory.server.dhcp.options.DhcpOption#getTag()
053         */
054        public byte getTag()
055        {
056            return 52;
057        }
058    }