diff options
Diffstat (limited to 'mcs/class/System/System.Net/IPv6Address.cs')
| -rw-r--r-- | mcs/class/System/System.Net/IPv6Address.cs | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/mcs/class/System/System.Net/IPv6Address.cs b/mcs/class/System/System.Net/IPv6Address.cs deleted file mode 100644 index 96ed983f7dd..00000000000 --- a/mcs/class/System/System.Net/IPv6Address.cs +++ /dev/null @@ -1,278 +0,0 @@ -//
-// System.Net.IPv6Address.cs
-//
-// Author:
-// Lawrence Pit (loz@cable.a2000.nl)
-//
-// Note I: This class is not defined in the specs of .Net
-//
-// Note II : The name of this class is perhaps unfortunate as it turns
-// out that in ms.net there's an internal class called
-// IPv6Address in namespace System.
-//
-
-
-using System;
-using System.Net.Sockets;
-using System.Runtime.InteropServices;
-using System.Text;
-
-namespace System.Net {
-
- /// <remarks>
- /// Encapsulates an IPv6 Address.
- /// See RFC 2373 for more info on IPv6 addresses.
- /// </remarks>
- [Serializable]
- public class IPv6Address {
- private ushort [] address;
- private int prefixLength;
-
- public static readonly IPv6Address Loopback = IPv6Address.Parse ("::1");
- public static readonly IPv6Address Unspecified = IPv6Address.Parse ("::");
-
- /// <summary>
- /// Constructor from a 32-bit constant with its bytes
- /// in network order.
- /// </summary>
- public IPv6Address (ushort [] addr)
- {
- if (addr == null)
- throw new ArgumentNullException ("addr");
- if (addr.Length != 8)
- throw new ArgumentException ("addr");
- address = addr;
- }
-
- public IPv6Address (ushort [] addr, int prefixLength) : this (addr)
- {
- if (prefixLength < 0 || prefixLength > 128)
- throw new ArgumentException ("prefixLength");
- this.prefixLength = prefixLength;
- }
-
- public static IPv6Address Parse (string ipString)
- {
- if (ipString == null)
- throw new ArgumentNullException ("ipString");
-
- if (ipString.Length > 2 &&
- ipString [0] == '[' &&
- ipString [ipString.Length - 1] == ']')
- ipString = ipString.Substring (1, ipString.Length - 2);
-
- if (ipString.Length < 2)
- throw new FormatException ("Not a valid IPv6 address");
-
- int prefixLen = 0;
- int pos = ipString.LastIndexOf ('/');
- if (pos != -1) {
- string prefix = ipString.Substring (pos + 1);
- try {
- prefixLen = Int32.Parse (prefix);
- } catch (Exception) {
- prefixLen = -1;
- }
- if (prefixLen < 0 || prefixLen > 128)
- throw new FormatException ("Not a valid prefix length");;
- ipString = ipString.Substring (0, pos);
- }
-
- ushort [] addr = new ushort [8];
-
- bool ipv4 = false;
- int pos2 = ipString.LastIndexOf (":");
- if (pos2 == -1)
- throw new FormatException ("Not a valid IPv6 address");
- if (pos2 < (ipString.Length - 1)) {
- string ipv4Str = ipString.Substring (pos2 + 1);
- if (ipv4Str.IndexOf ('.') != -1) {
- try {
- long a = IPAddress.Parse (ipv4Str).Address;
- addr [6] = (ushort) (((int) (a & 0xff) << 8) + ((int) ((a >> 8) & 0xff)));
- addr [7] = (ushort) (((int) ((a >> 16) & 0xff) << 8) + ((int) ((a >> 24) & 0xff)));
- if (ipString [pos2 - 1] == ':')
- ipString = ipString.Substring (0, pos2 + 1);
- else
- ipString = ipString.Substring (0, pos2);
- ipv4 = true;
- } catch (Exception) {
- throw new FormatException ("Not a valid IPv6 address");
- }
- }
- }
-
- int origLen = ipString.Length;
- if (origLen < 2)
- throw new FormatException ("Not a valid IPv6 address");
- ipString = ipString.Replace ("::", ":!:");
- int len = ipString.Length;
- if ((len - origLen) > 1)
- throw new FormatException ("Not a valid IPv6 address");
-
- if (ipString [1] == '!')
- ipString = ipString.Remove (0, 1);
- if (ipString [len - 2] == '!')
- ipString = ipString.Remove (len - 1, 1);
- if ((ipString.Length > 2) &&
- ((ipString [0] == ':') || (ipString [ipString.Length - 1] == ':')))
- throw new FormatException ("Not a valid IPv6 address");
-
- string [] pieces = ipString.Split (new char [] {':'});
- len = pieces.Length;
- if (len > (ipv4 ? 6 : 8))
- throw new FormatException ("Not a valid IPv6 address");
- int piecedouble = -1;
- for (int i = 0; i < len; i++) {
- string piece = pieces [i];
- if (piece == "!")
- piecedouble = i;
- else {
- int plen = piece.Length;
- if (plen > 4)
- throw new FormatException ("Not a valid IPv6 address");
- int p = 0;
- for (int j = 0; j < plen; j++)
- try {
- p = (p << 4) + Uri.FromHex (piece [j]);
- } catch (ArgumentException) {
- throw new FormatException ("Not a valid IPv6 address");
- }
- addr [i] = (ushort) p;
- }
- }
-
- //expand the :: token
- if (piecedouble != -1) {
- int totallen = (ipv4 ? 5 : 7);
- int i = totallen;
- for (i = totallen; i >= (totallen - (len - piecedouble - 1)); i--) {
- addr [i] = addr [(len - 1) + i - totallen];
- }
- for (; i >= piecedouble; i--) {
- addr [i] = 0;
- }
- } else if (len != (ipv4 ? 6 : 8))
- throw new FormatException ("Not a valid IPv6 address");
-
- // check IPv4 validity
- if (ipv4) {
- for (int i = 0; i < 5; i++)
- if (addr [i] != 0)
- throw new FormatException ("Not a valid IPv6 address");
- if (addr [5] != 0 && addr [5] != 0xffff)
- throw new FormatException ("Not a valid IPv6 address");
- }
-
- return new IPv6Address (addr, prefixLen);
- }
-
- public ushort [] Address {
- get { return address; }
- }
-
- public int PrefixLength {
- get { return this.prefixLength; }
- }
-
- public ushort this [int index] {
- get { return address [index]; }
- }
-
- public AddressFamily AddressFamily {
- get { return AddressFamily.InterNetworkV6; }
- }
-
- /// <summary>
- /// Used to tell whether the given address is the loopback address.
- /// </summary>
- public static bool IsLoopback (IPv6Address addr)
- {
- for (int i = 0; i < 4; i++)
- if (addr.address [i] != 0)
- return false;
- if ((addr.address [5] != 0) && (addr.address [5] != 0xffff))
- return false;
- if ((addr.address [6] >> 8) == 0x7f)
- return true;
- return ((addr.address [5] == 0) &&
- (addr.address [6] == 0) &&
- (addr.address [7] == 1));
- }
-
- public bool IsIPv4Compatible ()
- {
- for (int i = 0; i < 6; i++)
- if (address [i] != 0)
- return false;
- return true;
- }
-
- public bool IsIPv4Mapped ()
- {
- for (int i = 0; i < 5; i++)
- if (address [i] != 0)
- return false;
- return address [5] == 0xffff;
- }
-
- /// <summary>
- /// Overrides System.Object.ToString to return
- /// this object rendered in a canonicalized notation
- /// </summary>
- public override string ToString ()
- {
- StringBuilder s = new StringBuilder ();
- for (int i = 0; i < 7; i++)
- s.Append (String.Format ("{0:X4}", address [i])).Append (':');
- s.Append (String.Format ("{0:X4}", address [7]));
- return s.ToString ();
- }
-
- /// <returns>
- /// Whether both objects are equal.
- /// </returns>
- public override bool Equals (object other)
- {
- System.Net.IPv6Address ipv6 = other as System.Net.IPv6Address;
- if (ipv6 != null) {
- for (int i = 0; i < 8; i++)
- if (this.address [i] != ipv6.address [i])
- return false;
- return true;
- }
-
- System.Net.IPAddress ipv4 = other as System.Net.IPAddress;
- if (ipv4 != null) {
- for (int i = 0; i < 5; i++)
- if (address [i] != 0)
- return false;
-
- if (address [5] != 0 && address [5] != 0xffff)
- return false;
-
- long a = ipv4.Address;
- if (address [6] != (ushort) (((int) (a & 0xff) << 8) + ((int) ((a >> 8) & 0xff))) ||
- address [7] != (ushort) (((int) ((a >> 16) & 0xff) << 8) + ((int) ((a >> 24) & 0xff))))
- return false;
-
- return true;
- }
-
- return false;
- }
-
- public override int GetHashCode ()
- {
- return Hash (((((int) address [0]) << 16) + address [1]),
- ((((int) address [2]) << 16) + address [3]),
- ((((int) address [4]) << 16) + address [5]),
- ((((int) address [6]) << 16) + address [7]));
- }
-
- private static int Hash (int i, int j, int k, int l)
- {
- return i ^ (j << 13 | j >> 19) ^ (k << 26 | k >> 6) ^ (l << 7 | l >> 25);
- }
- }
-}
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