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author | MW | 2007-06-27 15:28:52 +0000 |
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committer | MW | 2007-06-27 15:28:52 +0000 |
commit | 646bbbc84b8010e0dacbeed5342cdb045f46cc49 (patch) | |
tree | 770b34d19855363c3c113ab9a0af9a56d821d887 /OpenSim/Framework/General/Util.cs | |
download | opensim-SC_OLD-646bbbc84b8010e0dacbeed5342cdb045f46cc49.zip opensim-SC_OLD-646bbbc84b8010e0dacbeed5342cdb045f46cc49.tar.gz opensim-SC_OLD-646bbbc84b8010e0dacbeed5342cdb045f46cc49.tar.bz2 opensim-SC_OLD-646bbbc84b8010e0dacbeed5342cdb045f46cc49.tar.xz |
Some work on restructuring the namespaces / project names. Note this doesn't compile yet as not all the code has been changed to use the new namespaces. Am committing it now for feedback on the namespaces.
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 | |||
@@ -0,0 +1,186 @@ | |||
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 | } | ||