1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20
21 package org.apache.directory.server.dhcp.options.vendor;
22
23
24 import java.net.InetAddress;
25
26 import org.apache.directory.server.dhcp.options.AddressOption;
27
28
29 /**
30 * The subnet mask option specifies the client's subnet mask as per RFC
31 * 950.
32 *
33 * If both the subnet mask and the router option are specified in a DHCP
34 * reply, the subnet mask option MUST be first.
35 *
36 * The code for the subnet mask option is 1, and its length is 4 octets.
37 *
38 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
39 */
40 public class SubnetMask extends AddressOption
41 {
42 public SubnetMask()
43 {
44 }
45
46
47 /**
48 * @param netmask
49 */
50 public SubnetMask( InetAddress netmask )
51 {
52 setAddress( netmask );
53 }
54
55
56 /*
57 * @see org.apache.directory.server.dhcp.options.DhcpOption#getTag()
58 */
59 public byte getTag()
60 {
61 return 1;
62 }
63 }