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Switched in NameSpaceChanges
Diffstat (limited to 'OpenSim/Framework/General/Util.cs')
-rw-r--r-- | OpenSim/Framework/General/Util.cs | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/OpenSim/Framework/General/Util.cs b/OpenSim/Framework/General/Util.cs new file mode 100644 index 0000000..8c34c9b --- /dev/null +++ b/OpenSim/Framework/General/Util.cs | |||
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1 | /* | ||
2 | * Copyright (c) Contributors, http://www.openmetaverse.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | * | ||
27 | */ | ||
28 | using System; | ||
29 | using System.Security.Cryptography; | ||
30 | using System.Collections.Generic; | ||
31 | using System.Text; | ||
32 | using libsecondlife; | ||
33 | using libsecondlife.Packets; | ||
34 | |||
35 | namespace OpenSim.Framework.Utilities | ||
36 | { | ||
37 | public class Util | ||
38 | { | ||
39 | private static Random randomClass = new Random(); | ||
40 | private static uint nextXferID = 5000; | ||
41 | private static object XferLock = new object(); | ||
42 | |||
43 | public static ulong UIntsToLong(uint X, uint Y) | ||
44 | { | ||
45 | return Helpers.UIntsToLong(X, Y); | ||
46 | } | ||
47 | |||
48 | public static Random RandomClass | ||
49 | { | ||
50 | get | ||
51 | { | ||
52 | return randomClass; | ||
53 | } | ||
54 | } | ||
55 | |||
56 | public static uint GetNextXferID() | ||
57 | { | ||
58 | uint id = 0; | ||
59 | lock(XferLock) | ||
60 | { | ||
61 | id = nextXferID; | ||
62 | nextXferID++; | ||
63 | } | ||
64 | return id; | ||
65 | } | ||
66 | |||
67 | public static int UnixTimeSinceEpoch() | ||
68 | { | ||
69 | TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1)); | ||
70 | int timestamp = (int)t.TotalSeconds; | ||
71 | return timestamp; | ||
72 | } | ||
73 | |||
74 | public static string Md5Hash(string pass) | ||
75 | { | ||
76 | MD5 md5 = MD5CryptoServiceProvider.Create(); | ||
77 | byte[] dataMd5 = md5.ComputeHash(Encoding.Default.GetBytes(pass)); | ||
78 | StringBuilder sb = new StringBuilder(); | ||
79 | for (int i = 0; i < dataMd5.Length; i++) | ||
80 | sb.AppendFormat("{0:x2}", dataMd5[i]); | ||
81 | return sb.ToString(); | ||
82 | } | ||
83 | |||
84 | public static string GetRandomCapsPath() | ||
85 | { | ||
86 | LLUUID caps = LLUUID.Random(); | ||
87 | string capsPath = caps.ToStringHyphenated(); | ||
88 | capsPath = capsPath.Remove(capsPath.Length - 4, 4); | ||
89 | return capsPath; | ||
90 | } | ||
91 | |||
92 | //public static int fast_distance2d(int x, int y) | ||
93 | //{ | ||
94 | // x = System.Math.Abs(x); | ||
95 | // y = System.Math.Abs(y); | ||
96 | |||
97 | // int min = System.Math.Min(x, y); | ||
98 | |||
99 | // return (x + y - (min >> 1) - (min >> 2) + (min >> 4)); | ||
100 | //} | ||
101 | |||
102 | public static string FieldToString(byte[] bytes) | ||
103 | { | ||
104 | return FieldToString(bytes, String.Empty); | ||
105 | } | ||
106 | |||
107 | /// <summary> | ||
108 | /// Convert a variable length field (byte array) to a string, with a | ||
109 | /// field name prepended to each line of the output | ||
110 | /// </summary> | ||
111 | /// <remarks>If the byte array has unprintable characters in it, a | ||
112 | /// hex dump will be put in the string instead</remarks> | ||
113 | /// <param name="bytes">The byte array to convert to a string</param> | ||
114 | /// <param name="fieldName">A field name to prepend to each line of output</param> | ||
115 | /// <returns>An ASCII string or a string containing a hex dump, minus | ||
116 | /// the null terminator</returns> | ||
117 | public static string FieldToString(byte[] bytes, string fieldName) | ||
118 | { | ||
119 | // Check for a common case | ||
120 | if (bytes.Length == 0) return String.Empty; | ||
121 | |||
122 | StringBuilder output = new StringBuilder(); | ||
123 | bool printable = true; | ||
124 | |||
125 | for (int i = 0; i < bytes.Length; ++i) | ||
126 | { | ||
127 | // Check if there are any unprintable characters in the array | ||
128 | if ((bytes[i] < 0x20 || bytes[i] > 0x7E) && bytes[i] != 0x09 | ||
129 | && bytes[i] != 0x0D && bytes[i] != 0x0A && bytes[i] != 0x00) | ||
130 | { | ||
131 | printable = false; | ||
132 | break; | ||
133 | } | ||
134 | } | ||
135 | |||
136 | if (printable) | ||
137 | { | ||
138 | if (fieldName.Length > 0) | ||
139 | { | ||
140 | output.Append(fieldName); | ||
141 | output.Append(": "); | ||
142 | } | ||
143 | |||
144 | if (bytes[bytes.Length - 1] == 0x00) | ||
145 | output.Append(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length - 1)); | ||
146 | else | ||
147 | output.Append(UTF8Encoding.UTF8.GetString(bytes)); | ||
148 | } | ||
149 | else | ||
150 | { | ||
151 | for (int i = 0; i < bytes.Length; i += 16) | ||
152 | { | ||
153 | if (i != 0) | ||
154 | output.Append(Environment.NewLine); | ||
155 | if (fieldName.Length > 0) | ||
156 | { | ||
157 | output.Append(fieldName); | ||
158 | output.Append(": "); | ||
159 | } | ||
160 | |||
161 | for (int j = 0; j < 16; j++) | ||
162 | { | ||
163 | if ((i + j) < bytes.Length) | ||
164 | output.Append(String.Format("{0:X2} ", bytes[i + j])); | ||
165 | else | ||
166 | output.Append(" "); | ||
167 | } | ||
168 | |||
169 | for (int j = 0; j < 16 && (i + j) < bytes.Length; j++) | ||
170 | { | ||
171 | if (bytes[i + j] >= 0x20 && bytes[i + j] < 0x7E) | ||
172 | output.Append((char)bytes[i + j]); | ||
173 | else | ||
174 | output.Append("."); | ||
175 | } | ||
176 | } | ||
177 | } | ||
178 | |||
179 | return output.ToString(); | ||
180 | } | ||
181 | public Util() | ||
182 | { | ||
183 | |||
184 | } | ||
185 | } | ||
186 | } | ||