2 // System.Net.NetworkInformation.PhysicalAddress
5 // Gonzalo Paniagua Javier (gonzalo@novell.com)
7 // Copyright (c) 2006 Novell, Inc. (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 namespace System.Net.NetworkInformation {
33 public class PhysicalAddress {
34 public static readonly PhysicalAddress None = new PhysicalAddress (new byte [0]);
37 public PhysicalAddress (byte [] address)
42 public static PhysicalAddress Parse (string address)
48 throw new FormatException ("Invalid physical address.");
50 // MS fails with IndexOutOfRange for something like: "00-0"
52 foreach (char c in address) {
57 int len = address.Length;
58 if (((len - 2) / 3) != ndashes)
59 throw new FormatException ("Invalid physical address.");
61 byte [] data = new byte [ndashes + 1];
63 for (int i = 0; i < len; i++) {
64 byte b = (byte) (GetValue (address [i++]) << 8);
65 b += GetValue (address [i++]);
66 if (address [i] != '-')
67 throw new FormatException ("Invalid physical address.");
71 return new PhysicalAddress (data);
74 static byte GetValue (char c)
77 return (byte) (c - '0');
79 if (c >= 'a' && c <= 'f')
80 return (byte) (c - 'a' + 10);
82 if (c >= 'A' && c <= 'F')
83 return (byte) (c - 'A' + 10);
85 throw new FormatException ("Invalid physical address.");
88 public override bool Equals (object comparand)
90 PhysicalAddress other = comparand as PhysicalAddress;
94 // new byte [0] != new byte [0]
95 return (bytes == other.bytes);
98 public override int GetHashCode ()
104 foreach (byte b in bytes)
110 public byte [] GetAddressBytes ()
115 public override string ToString ()
120 StringBuilder sb = new StringBuilder ();
121 foreach (byte b in bytes)
122 sb.AppendFormat ("{0:2X}", (uint) b);
123 return sb.ToString ();