mcs/class/System.Net/System.Net/DnsEndPoint_2_1.cs

   1 //
   2 // System.Net.DnsEndPoint (for 2.1 profile)
   3 //
   4 // Authors:
   5 //      Stephane Delcroix  <stephane@delcroix.org>
   6 //
   7 // (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_1
  32
  33 using System.Net.Sockets;
  34
  35 namespace System.Net {
  36
  37         public sealed class DnsEndPoint : EndPoint {
  38                 string host;
  39                 int port;
  40                 AddressFamily addressFamily = AddressFamily.Unspecified;
  41
  42                 public DnsEndPoint (string host, int port)
  43                 {
  44                         if (host == null)
  45                                 throw new ArgumentNullException ("host");
  46                         if (host == String.Empty)
  47                                 throw new ArgumentException ("host parameter contains an empty string");
  48                         if (port < 0 || port > 0xffff)
  49                                 throw new ArgumentOutOfRangeException ("port is less than 0 or greater than 0xffff");
  50
  51                         this.host = host;
  52                         this.port = port;
  53                 }
  54
  55                 public DnsEndPoint (string host, int port, AddressFamily addressFamily) : this (host, port)
  56                 {
  57                         switch (addressFamily) {
  58                         case AddressFamily.InterNetwork:
  59                         case AddressFamily.InterNetworkV6:
  60                         case AddressFamily.Unspecified:
  61                                 this.addressFamily = addressFamily;
  62                                 break;
  63                         default:
  64                                 // throw for Unknown or any invalid value
  65                                 throw new ArgumentException ("addressFamily");
  66                         }
  67                 }
  68
  69                 public override bool Equals (object other)
  70                 {
  71                         if (other is DnsEndPoint)
  72                                 return Equals (other as DnsEndPoint);
  73                         return false;
  74                 }
  75
  76                 private bool Equals (DnsEndPoint other)
  77                 {
  78                         if (port != other.port || addressFamily != other.addressFamily|| host != other.host)
  79                                 return false;
  80                         return true;
  81                 }
  82
  83                 public override int GetHashCode ()
  84                 {
  85                         return port ^ (int)addressFamily ^ host.GetHashCode ();
  86                 }
  87
  88                 public override string ToString ()
  89                 {
  90                         return String.Format ("{0}/{1}:{2}", addressFamily, host, port);
  91                 }
  92
  93                 public override AddressFamily AddressFamily {
  94                         get { return addressFamily; }
  95                 }
  96
  97                 public string Host {
  98                         get { return host; }
  99                 }
 100
 101                 public int Port {
 102                         get { return port; }
 103                 }
 104         }
 105 }
 106
 107 #endif