mcs/class/System/System.Net.Sockets/IPPacketInformation.cs

   1 //
   2 // System.Net.Sockets.IPPacketInformation.cs
   3 //
   4 // Author:
   5 //      Dick Porter (dick@ximian.com)
   6 //
   7 // Copyright (C) 2007 Novell, Inc.  http://www.novell.com
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32
  33 using System;
  34 using System.Net;
  35
  36 namespace System.Net.Sockets
  37 {
  38         public struct IPPacketInformation
  39         {
  40                 IPAddress address;
  41                 int iface;
  42
  43                 internal IPPacketInformation (IPAddress address, int iface)
  44                 {
  45                         this.address = address;
  46                         this.iface = iface;
  47                 }
  48
  49                 public IPAddress Address
  50                 {
  51                         get {
  52                                 return(address);
  53                         }
  54                 }
  55
  56                 public int Interface
  57                 {
  58                         get {
  59                                 return(iface);
  60                         }
  61                 }
  62
  63                 public override bool Equals (object comparand)
  64                 {
  65                         if (!(comparand is IPPacketInformation)) {
  66                                 return(false);
  67                         }
  68
  69                         IPPacketInformation packet = (IPPacketInformation)comparand;
  70
  71                         if (packet.iface != iface) {
  72                                 return(false);
  73                         }
  74
  75                         return(packet.address.Equals (address));
  76                 }
  77
  78                 public override int GetHashCode ()
  79                 {
  80                         /* FIXME: see if we can work out the MS algorithm */
  81                         return(address.GetHashCode () + iface);
  82                 }
  83
  84                 public static bool operator== (IPPacketInformation p1,
  85                                                IPPacketInformation p2)
  86                 {
  87                         return(p1.Equals (p2));
  88                 }
  89
  90                 public static bool operator!= (IPPacketInformation p1,
  91                                                IPPacketInformation p2)
  92                 {
  93                         return(!p1.Equals (p2));
  94                 }
  95         }
  96 }
  97
  98 #endif