mcs/class/System/System.Net/SocketAddress.cs

   1 //
   2 // System.Net.SocketAddress.cs
   3 //
   4 // Author:
   5 //   Miguel de Icaza (miguel@ximian.com)
   6 //   Dick Porter (dick@ximian.com)
   7 //
   8 // (C) Ximian, Inc.  http://www.ximian.com
   9 //
  10
  11 using System.Net.Sockets;
  12
  13 namespace System.Net {
  14
  15         public class SocketAddress {
  16                 private byte[] data;
  17
  18                 public SocketAddress (AddressFamily family, int size)
  19                 {
  20                         if(size<2) {
  21                                 throw new ArgumentOutOfRangeException("size is too small");
  22                         }
  23
  24                         data=new byte[size];
  25                         data[0]=(byte)family;
  26                         data[1]=(byte) ((int) family >> 8);
  27                 }
  28
  29                 public SocketAddress (AddressFamily family)
  30                         : this (family, 32)
  31                 {
  32                 }
  33
  34                 //LAMESPEC: the MS doc about this class is wrong. The size is not stored in byte 1. Instead
  35                 // byte [0] and byte [1] hold the family (little endian).
  36                 public AddressFamily Family {
  37                         get {
  38                                 return (AddressFamily) (data [0] + (data [1] << 8));
  39                         }
  40                 }
  41
  42                 public int Size {
  43                         get {
  44                                 return data.Length;
  45                         }
  46                 }
  47
  48                 public byte this [ int offset ] {
  49                         get {
  50                                 return(data[offset]);
  51                         }
  52
  53                         set {
  54                                 data[offset]=value;
  55                         }
  56                 }
  57
  58                 public override string ToString() {
  59                         string af=((AddressFamily)data[0]).ToString();
  60                         int size = data.Length;
  61                         string ret=af+":"+size+":{";
  62
  63                         for(int i=2; i<size; i++) {
  64                                 int val=(int)data[i];
  65                                 ret=ret+val;
  66                                 if(i<size-1) {
  67                                         ret=ret+",";
  68                                 }
  69                         }
  70
  71                         ret=ret+"}";
  72
  73                         return(ret);
  74                 }
  75
  76                 public override bool Equals (object obj)
  77                 {
  78                         if (obj is System.Net.SocketAddress &&
  79                             ((System.Net.SocketAddress) obj).data.Length == data.Length){
  80                                 byte [] otherData = ((System.Net.SocketAddress) obj).data;
  81                                 for (int i = 0; i < data.Length; i++)
  82                                         if (otherData [i] != data [i])
  83                                                 return false;
  84
  85                                 return true;
  86                         }
  87
  88                         return false;
  89                 }
  90
  91                 public override int GetHashCode ()
  92                 {
  93                         int code = 0;
  94
  95                         for (int i = 0; i < data.Length; i++)
  96                                 code += data [i] + i;
  97
  98                         return code;
  99                 }
 100         }
 101 }