2005-01-31 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / 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 //
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
19 // 
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
22 // 
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 //
31
32 using System.Net.Sockets;
33
34 namespace System.Net {
35
36         public class SocketAddress {
37                 private byte[] data;
38                 
39                 public SocketAddress (AddressFamily family, int size)
40                 {
41                         if(size<2) {
42                                 throw new ArgumentOutOfRangeException("size is too small");
43                         }
44                         
45                         data=new byte[size];
46                         data[0]=(byte)family;
47                         data[1]=(byte) ((int) family >> 8);
48                 }
49
50                 public SocketAddress (AddressFamily family)
51                         : this (family, 32)
52                 {
53                 }
54                 
55                 //LAMESPEC: the MS doc about this class is wrong. The size is not stored in byte 1. Instead
56                 // byte [0] and byte [1] hold the family (little endian).
57                 public AddressFamily Family {
58                         get {
59                                 return (AddressFamily) (data [0] + (data [1] << 8));
60                         }
61                 }
62
63                 public int Size {
64                         get {
65                                 return data.Length;
66                         }
67                 }
68
69                 public byte this [ int offset ] {
70                         get {
71                                 return(data[offset]);
72                         }
73
74                         set {
75                                 data[offset]=value;
76                         }
77                 }
78
79                 public override string ToString() {
80                         string af=((AddressFamily)data[0]).ToString();
81                         int size = data.Length;
82                         string ret=af+":"+size+":{";
83                         
84                         for(int i=2; i<size; i++) {
85                                 int val=(int)data[i];
86                                 ret=ret+val;
87                                 if(i<size-1) {
88                                         ret=ret+",";
89                                 }
90                         }
91                         
92                         ret=ret+"}";
93                         
94                         return(ret);
95                 }
96
97                 public override bool Equals (object obj)
98                 {
99                         if (obj is System.Net.SocketAddress &&
100                             ((System.Net.SocketAddress) obj).data.Length == data.Length){
101                                 byte [] otherData = ((System.Net.SocketAddress) obj).data;
102                                 for (int i = 0; i < data.Length; i++)
103                                         if (otherData [i] != data [i])
104                                                 return false;
105
106                                 return true;
107                         }
108
109                         return false;
110                 }
111
112                 public override int GetHashCode ()
113                 {
114                         int code = 0;
115
116                         for (int i = 0; i < data.Length; i++)
117                                 code += data [i] + i;
118
119                         return code;
120                 }
121         }
122 }