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

   1 //
   2 // System.Net.Sockets.MulticastOption.cs
   3 //
   4 // Author:
   5 //   Andrew Sutton
   6 //
   7 // (C) Andrew Sutton
   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 using System;
  32 using System.Net;
  33
  34 namespace System.Net.Sockets
  35 {
  36         // <remarks>
  37         //   Encapsulates a multicast option
  38         // </remarks>
  39         public class MulticastOption
  40         {
  41                 // Don't change the names of these fields without also
  42                 // changing socket-io.c in the runtime
  43                 private IPAddress group;
  44                 private IPAddress local;
  45 #if NET_2_0
  46                 int iface_index;
  47 #endif
  48
  49                 public MulticastOption (IPAddress group)
  50                         : this (group, IPAddress.Any)
  51                 {
  52                 }
  53
  54 #if NET_2_0
  55                 public MulticastOption (IPAddress group, int interfaceIndex)
  56                 {
  57                         if (group == null)
  58                                 throw new ArgumentNullException ("group");
  59                         if (interfaceIndex < 0 || interfaceIndex > 0xffffff)
  60                                 throw new ArgumentOutOfRangeException ("interfaceIndex");
  61
  62                         this.group = group;
  63                         this.iface_index = interfaceIndex;
  64                 }
  65 #endif
  66
  67                 public MulticastOption (IPAddress group, IPAddress mcint)
  68                 {
  69                         if (group == null)
  70                                 throw new ArgumentNullException ("group");
  71                         if (mcint == null)
  72                                 throw new ArgumentNullException ("mcint");
  73
  74                         this.group = group;
  75                         this.local = mcint;
  76                 }
  77
  78                 public IPAddress Group {
  79                         get { return group; }
  80                         set { group = value; }
  81                 }
  82
  83                 public IPAddress LocalAddress {
  84                         get { return local; }
  85                         set {
  86                                 local = value;
  87 #if NET_2_0
  88                                 iface_index = 0;
  89 #endif
  90                         }
  91                 }
  92
  93 #if NET_2_0
  94                 public int InterfaceIndex {
  95                         get { return iface_index; }
  96                         set {
  97                                 if (value < 0 || value > 0xffffff)
  98                                         throw new ArgumentOutOfRangeException ("value");
  99                                 iface_index = value;
 100                                 local = null;
 101                         }
 102                 }
 103 #endif
 104         }
 105 }
 106