From 646bbbc84b8010e0dacbeed5342cdb045f46cc49 Mon Sep 17 00:00:00 2001
From: MW
Date: Wed, 27 Jun 2007 15:28:52 +0000
Subject: 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.
---
OpenSim/Framework/General/Util.cs | 186 ++++++++++++++++++++++++++++++++++++++
1 file changed, 186 insertions(+)
create mode 100644 OpenSim/Framework/General/Util.cs
(limited to 'OpenSim/Framework/General/Util.cs')
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 @@
+/*
+* Copyright (c) Contributors, http://www.openmetaverse.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* * Neither the name of the OpenSim Project nor the
+* names of its contributors may be used to endorse or promote products
+* derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+using System;
+using System.Security.Cryptography;
+using System.Collections.Generic;
+using System.Text;
+using libsecondlife;
+using libsecondlife.Packets;
+
+namespace OpenSim.Framework.Utilities
+{
+ public class Util
+ {
+ private static Random randomClass = new Random();
+ private static uint nextXferID = 5000;
+ private static object XferLock = new object();
+
+ public static ulong UIntsToLong(uint X, uint Y)
+ {
+ return Helpers.UIntsToLong(X, Y);
+ }
+
+ public static Random RandomClass
+ {
+ get
+ {
+ return randomClass;
+ }
+ }
+
+ public static uint GetNextXferID()
+ {
+ uint id = 0;
+ lock(XferLock)
+ {
+ id = nextXferID;
+ nextXferID++;
+ }
+ return id;
+ }
+
+ public static int UnixTimeSinceEpoch()
+ {
+ TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1));
+ int timestamp = (int)t.TotalSeconds;
+ return timestamp;
+ }
+
+ public static string Md5Hash(string pass)
+ {
+ MD5 md5 = MD5CryptoServiceProvider.Create();
+ byte[] dataMd5 = md5.ComputeHash(Encoding.Default.GetBytes(pass));
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < dataMd5.Length; i++)
+ sb.AppendFormat("{0:x2}", dataMd5[i]);
+ return sb.ToString();
+ }
+
+ public static string GetRandomCapsPath()
+ {
+ LLUUID caps = LLUUID.Random();
+ string capsPath = caps.ToStringHyphenated();
+ capsPath = capsPath.Remove(capsPath.Length - 4, 4);
+ return capsPath;
+ }
+
+ //public static int fast_distance2d(int x, int y)
+ //{
+ // x = System.Math.Abs(x);
+ // y = System.Math.Abs(y);
+
+ // int min = System.Math.Min(x, y);
+
+ // return (x + y - (min >> 1) - (min >> 2) + (min >> 4));
+ //}
+
+ public static string FieldToString(byte[] bytes)
+ {
+ return FieldToString(bytes, String.Empty);
+ }
+
+ ///
+ /// Convert a variable length field (byte array) to a string, with a
+ /// field name prepended to each line of the output
+ ///
+ /// If the byte array has unprintable characters in it, a
+ /// hex dump will be put in the string instead
+ /// The byte array to convert to a string
+ /// A field name to prepend to each line of output
+ /// An ASCII string or a string containing a hex dump, minus
+ /// the null terminator
+ public static string FieldToString(byte[] bytes, string fieldName)
+ {
+ // Check for a common case
+ if (bytes.Length == 0) return String.Empty;
+
+ StringBuilder output = new StringBuilder();
+ bool printable = true;
+
+ for (int i = 0; i < bytes.Length; ++i)
+ {
+ // Check if there are any unprintable characters in the array
+ if ((bytes[i] < 0x20 || bytes[i] > 0x7E) && bytes[i] != 0x09
+ && bytes[i] != 0x0D && bytes[i] != 0x0A && bytes[i] != 0x00)
+ {
+ printable = false;
+ break;
+ }
+ }
+
+ if (printable)
+ {
+ if (fieldName.Length > 0)
+ {
+ output.Append(fieldName);
+ output.Append(": ");
+ }
+
+ if (bytes[bytes.Length - 1] == 0x00)
+ output.Append(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length - 1));
+ else
+ output.Append(UTF8Encoding.UTF8.GetString(bytes));
+ }
+ else
+ {
+ for (int i = 0; i < bytes.Length; i += 16)
+ {
+ if (i != 0)
+ output.Append(Environment.NewLine);
+ if (fieldName.Length > 0)
+ {
+ output.Append(fieldName);
+ output.Append(": ");
+ }
+
+ for (int j = 0; j < 16; j++)
+ {
+ if ((i + j) < bytes.Length)
+ output.Append(String.Format("{0:X2} ", bytes[i + j]));
+ else
+ output.Append(" ");
+ }
+
+ for (int j = 0; j < 16 && (i + j) < bytes.Length; j++)
+ {
+ if (bytes[i + j] >= 0x20 && bytes[i + j] < 0x7E)
+ output.Append((char)bytes[i + j]);
+ else
+ output.Append(".");
+ }
+ }
+ }
+
+ return output.ToString();
+ }
+ public Util()
+ {
+
+ }
+ }
+}
--
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