mcs/class/System/System.Net/DnsEndPoint.cs

   1 //
   2 // System.Net.DnsEndPoint
   3 //
   4 // Authors:
   5 //      Stephane Delcroix  <stephane@delcroix.org>
   6 //
   7 // (c) 2007, 2009 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 || NET_4_0
  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 comparand)
  70                 {
  71                         DnsEndPoint dep = (comparand as DnsEndPoint);
  72                         return (comparand != null) && Equals (dep);
  73                 }
  74
  75                 private bool Equals (DnsEndPoint other)
  76                 {
  77                         if (port != other.port || addressFamily != other.addressFamily|| host != other.host)
  78                                 return false;
  79                         return true;
  80                 }
  81
  82                 public override int GetHashCode ()
  83                 {
  84                         return port ^ (int)addressFamily ^ host.GetHashCode ();
  85                 }
  86
  87                 public override string ToString ()
  88                 {
  89                         return String.Format ("{0}/{1}:{2}", addressFamily, host, port);
  90                 }
  91
  92                 public override AddressFamily AddressFamily {
  93                         get { return addressFamily; }
  94                 }
  95
  96                 public string Host {
  97                         get { return host; }
  98                 }
  99
 100                 public int Port {
 101                         get { return port; }
 102                 }
 103         }
 104 }
 105
 106 #endif