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authorMW2007-06-27 15:28:52 +0000
committerMW2007-06-27 15:28:52 +0000
commit646bbbc84b8010e0dacbeed5342cdb045f46cc49 (patch)
tree770b34d19855363c3c113ab9a0af9a56d821d887 /OpenSim/Grid/Manager/OpenGridServices.Manager/Util.cs
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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/Grid/Manager/OpenGridServices.Manager/Util.cs')
-rw-r--r--OpenSim/Grid/Manager/OpenGridServices.Manager/Util.cs133
1 files changed, 133 insertions, 0 deletions
diff --git a/OpenSim/Grid/Manager/OpenGridServices.Manager/Util.cs b/OpenSim/Grid/Manager/OpenGridServices.Manager/Util.cs
new file mode 100644
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1using System;
2using System.Collections.Generic;
3using System.Text;
4using libsecondlife;
5using libsecondlife.Packets;
6
7namespace OpenSim.Framework.Utilities
8{
9 public class Util
10 {
11 private static Random randomClass = new Random();
12 private static uint nextXferID = 5000;
13 private static object XferLock = new object();
14
15 public static ulong UIntsToLong(uint X, uint Y)
16 {
17 return Helpers.UIntsToLong(X, Y);
18 }
19
20 public static Random RandomClass
21 {
22 get
23 {
24 return randomClass;
25 }
26 }
27
28 public static uint GetNextXferID()
29 {
30 uint id = 0;
31 lock(XferLock)
32 {
33 id = nextXferID;
34 nextXferID++;
35 }
36 return id;
37 }
38
39 //public static int fast_distance2d(int x, int y)
40 //{
41 // x = System.Math.Abs(x);
42 // y = System.Math.Abs(y);
43
44 // int min = System.Math.Min(x, y);
45
46 // return (x + y - (min >> 1) - (min >> 2) + (min >> 4));
47 //}
48
49 public static string FieldToString(byte[] bytes)
50 {
51 return FieldToString(bytes, String.Empty);
52 }
53
54 /// <summary>
55 /// Convert a variable length field (byte array) to a string, with a
56 /// field name prepended to each line of the output
57 /// </summary>
58 /// <remarks>If the byte array has unprintable characters in it, a
59 /// hex dump will be put in the string instead</remarks>
60 /// <param name="bytes">The byte array to convert to a string</param>
61 /// <param name="fieldName">A field name to prepend to each line of output</param>
62 /// <returns>An ASCII string or a string containing a hex dump, minus
63 /// the null terminator</returns>
64 public static string FieldToString(byte[] bytes, string fieldName)
65 {
66 // Check for a common case
67 if (bytes.Length == 0) return String.Empty;
68
69 StringBuilder output = new StringBuilder();
70 bool printable = true;
71
72 for (int i = 0; i < bytes.Length; ++i)
73 {
74 // Check if there are any unprintable characters in the array
75 if ((bytes[i] < 0x20 || bytes[i] > 0x7E) && bytes[i] != 0x09
76 && bytes[i] != 0x0D && bytes[i] != 0x0A && bytes[i] != 0x00)
77 {
78 printable = false;
79 break;
80 }
81 }
82
83 if (printable)
84 {
85 if (fieldName.Length > 0)
86 {
87 output.Append(fieldName);
88 output.Append(": ");
89 }
90
91 if (bytes[bytes.Length - 1] == 0x00)
92 output.Append(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length - 1));
93 else
94 output.Append(UTF8Encoding.UTF8.GetString(bytes));
95 }
96 else
97 {
98 for (int i = 0; i < bytes.Length; i += 16)
99 {
100 if (i != 0)
101 output.Append(Environment.NewLine);
102 if (fieldName.Length > 0)
103 {
104 output.Append(fieldName);
105 output.Append(": ");
106 }
107
108 for (int j = 0; j < 16; j++)
109 {
110 if ((i + j) < bytes.Length)
111 output.Append(String.Format("{0:X2} ", bytes[i + j]));
112 else
113 output.Append(" ");
114 }
115
116 for (int j = 0; j < 16 && (i + j) < bytes.Length; j++)
117 {
118 if (bytes[i + j] >= 0x20 && bytes[i + j] < 0x7E)
119 output.Append((char)bytes[i + j]);
120 else
121 output.Append(".");
122 }
123 }
124 }
125
126 return output.ToString();
127 }
128 public Util()
129 {
130
131 }
132 }
133}