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 #if NET_2_1
  38         sealed
  39 #endif
  40         public class DnsEndPoint : EndPoint {
  41                 string host;
  42                 int port;
  43                 AddressFamily addressFamily = AddressFamily.Unspecified;
  44
  45                 public DnsEndPoint (string host, int port)
  46                 {
  47                         if (host == null)
  48                                 throw new ArgumentNullException ("host");
  49                         if (host == String.Empty)
  50                                 throw new ArgumentException ("host parameter contains an empty string");
  51                         if (port < 0 || port > 0xffff)
  52                                 throw new ArgumentOutOfRangeException ("port is less than 0 or greater than 0xffff");
  53
  54                         this.host = host;
  55                         this.port = port;
  56                 }
  57
  58                 public DnsEndPoint (string host, int port, AddressFamily addressFamily) : this (host, port)
  59                 {
  60                         switch (addressFamily) {
  61                         case AddressFamily.InterNetwork:
  62                         case AddressFamily.InterNetworkV6:
  63                         case AddressFamily.Unspecified:
  64                                 this.addressFamily = addressFamily;
  65                                 break;
  66                         default:
  67                                 // throw for Unknown or any invalid value
  68                                 throw new ArgumentException ("addressFamily");
  69                         }
  70                 }
  71
  72                 public override bool Equals (object comparand)
  73                 {
  74                         DnsEndPoint dep = (comparand as DnsEndPoint);
  75                         return (comparand != null) && Equals (dep);
  76                 }
  77
  78                 private bool Equals (DnsEndPoint other)
  79                 {
  80                         if (port != other.port || addressFamily != other.addressFamily|| host != other.host)
  81                                 return false;
  82                         return true;
  83                 }
  84
  85                 public override int GetHashCode ()
  86                 {
  87                         return port ^ (int)addressFamily ^ host.GetHashCode ();
  88                 }
  89
  90                 public override string ToString ()
  91                 {
  92                         return String.Format ("{0}/{1}:{2}", addressFamily, host, port);
  93                 }
  94
  95                 public override AddressFamily AddressFamily {
  96                         get { return addressFamily; }
  97                 }
  98
  99                 public string Host {
 100                         get { return host; }
 101                 }
 102
 103                 public int Port {
 104                         get { return port; }
 105                 }
 106         }
 107 }
 108
 109 #endif