//
// System.Net.NetworkInformation.PhysicalAddress
//
// Author:
// Gonzalo Paniagua Javier (gonzalo@novell.com)
//
// Copyright (c) 2006 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.Text;
using System.Globalization;
namespace System.Net.NetworkInformation{
public class PhysicalAddress {
public static readonly PhysicalAddress None = new PhysicalAddress (new byte [0]);
private const int numberOfBytes = 6;
byte [] bytes;
public PhysicalAddress (byte [] address)
{
this.bytes = address;
}
internal static PhysicalAddress ParseEthernet (string address)
{
if (address == null)
return None;
string [] blocks = address.Split (':');
byte [] bytes = new byte [blocks.Length];
int i = 0;
foreach (string b in blocks){
bytes [i++] = Byte.Parse (b, NumberStyles.HexNumber);
}
return new PhysicalAddress (bytes);
}
public static PhysicalAddress Parse (string address)
{
if (address == null)
return None;
if (address == string.Empty)
throw new FormatException("An invalid physical address was specified.");
string[] addrSplit = address.Split('-');
if (addrSplit.Length == 1) {
if (address.Length != numberOfBytes * 2)
throw new FormatException("An invalid physical address was specified.");
addrSplit = new string[numberOfBytes];
for (int index = 0; index < addrSplit.Length; index++) {
addrSplit[index] = address.Substring(index * 2, 2);
}
}
if (addrSplit.Length == numberOfBytes) {
foreach (string str in addrSplit)
if (str.Length > 2)
throw new FormatException("An invalid physical address was specified.");
else if (str.Length < 2)
throw new IndexOutOfRangeException("An invalid physical address was specified.");
}
else
throw new FormatException("An invalid physical address was specified.");
byte[] data = new byte[numberOfBytes];
for (int i = 0; i < numberOfBytes; i++) {
byte b = (byte)(GetValue(addrSplit[i][0]) << 4);
b += GetValue(addrSplit[i][1]);
data[i] = b;
}
return new PhysicalAddress (data);
}
static byte GetValue (char c)
{
if (c >= '0' && c <= '9')
return (byte) (c - '0');
if (c >= 'a' && c <= 'f')
return (byte) (c - 'a' + 10);
if (c >= 'A' && c <= 'F')
return (byte) (c - 'A' + 10);
throw new FormatException ("Invalid physical address.");
}
public override bool Equals (object comparand)
{
PhysicalAddress other = comparand as PhysicalAddress;
if (other == null)
return false;
if (bytes.Length != other.bytes.Length)
return false;
for (int index = 0; index < bytes.Length; index++)
if (bytes[index] != other.bytes[index])
return false;
return true;
}
public override int GetHashCode ()
{
return (bytes[5] << 8) ^ (bytes[4]) ^ (bytes[3] << 24) ^ (bytes[2] << 16) ^ (bytes[1] << 8) ^ (bytes[0]);
}
public byte [] GetAddressBytes ()
{
return bytes;
}
public override string ToString ()
{
if (bytes == null)
return "";
StringBuilder sb = new StringBuilder ();
foreach (byte b in bytes)
sb.AppendFormat("{0:X2}", b);
return sb.ToString ();
}
}
}
#endif
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