2050 lines
73 KiB
C#
2050 lines
73 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using System.Diagnostics;
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using System.Globalization;
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using System.IO;
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using System.IO.Compression;
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using System.Net;
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using System.Net.Sockets;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml;
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using System.Threading;
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using log4net;
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using Nini.Config;
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using Nwc.XmlRpc;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using Amib.Threading;
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namespace OpenSim.Framework
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{
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/// <summary>
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/// The method used by Util.FireAndForget for asynchronously firing events
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/// </summary>
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/// <remarks>
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/// None is used to execute the method in the same thread that made the call. It should only be used by regression
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/// test code that relies on predictable event ordering.
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/// RegressionTest is used by regression tests. It fires the call synchronously and does not catch any exceptions.
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/// </remarks>
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public enum FireAndForgetMethod
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{
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None,
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RegressionTest,
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UnsafeQueueUserWorkItem,
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QueueUserWorkItem,
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BeginInvoke,
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SmartThreadPool,
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Thread,
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}
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/// <summary>
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/// Miscellaneous utility functions
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/// </summary>
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public class Util
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static uint nextXferID = 5000;
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private static Random randomClass = new Random();
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// Get a list of invalid file characters (OS dependent)
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private static string regexInvalidFileChars = "[" + new String(Path.GetInvalidFileNameChars()) + "]";
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private static string regexInvalidPathChars = "[" + new String(Path.GetInvalidPathChars()) + "]";
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private static object XferLock = new object();
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/// <summary>
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/// Thread pool used for Util.FireAndForget if FireAndForgetMethod.SmartThreadPool is used
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/// </summary>
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private static SmartThreadPool m_ThreadPool;
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// Unix-epoch starts at January 1st 1970, 00:00:00 UTC. And all our times in the server are (or at least should be) in UTC.
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private static readonly DateTime unixEpoch =
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DateTime.ParseExact("1970-01-01 00:00:00 +0", "yyyy-MM-dd hh:mm:ss z", DateTimeFormatInfo.InvariantInfo).ToUniversalTime();
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private static readonly string rawUUIDPattern
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= "[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}";
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public static readonly Regex PermissiveUUIDPattern = new Regex(rawUUIDPattern);
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public static readonly Regex UUIDPattern = new Regex(string.Format("^{0}$", rawUUIDPattern));
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public static FireAndForgetMethod DefaultFireAndForgetMethod = FireAndForgetMethod.SmartThreadPool;
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public static FireAndForgetMethod FireAndForgetMethod = DefaultFireAndForgetMethod;
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/// <summary>
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/// Gets the name of the directory where the current running executable
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/// is located
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/// </summary>
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/// <returns>Filesystem path to the directory containing the current
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/// executable</returns>
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public static string ExecutingDirectory()
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{
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return Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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}
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/// <summary>
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/// Linear interpolates B<->C using percent A
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/// </summary>
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/// <param name="a"></param>
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/// <param name="b"></param>
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/// <param name="c"></param>
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/// <returns></returns>
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public static double lerp(double a, double b, double c)
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{
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return (b*a) + (c*(1 - a));
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}
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/// <summary>
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/// Bilinear Interpolate, see Lerp but for 2D using 'percents' X & Y.
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/// Layout:
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/// A B
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/// C D
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/// A<->C = Y
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/// C<->D = X
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/// </summary>
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/// <param name="x"></param>
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/// <param name="y"></param>
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/// <param name="a"></param>
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/// <param name="b"></param>
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/// <param name="c"></param>
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/// <param name="d"></param>
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/// <returns></returns>
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public static double lerp2D(double x, double y, double a, double b, double c, double d)
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{
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return lerp(y, lerp(x, a, b), lerp(x, c, d));
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}
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public static Encoding UTF8 = Encoding.UTF8;
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public static Encoding UTF8NoBomEncoding = new UTF8Encoding(false);
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/// <value>
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/// Well known UUID for the blank texture used in the Linden SL viewer version 1.20 (and hopefully onwards)
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/// </value>
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public static UUID BLANK_TEXTURE_UUID = new UUID("5748decc-f629-461c-9a36-a35a221fe21f");
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#region Vector Equations
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/// <summary>
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/// Get the distance between two 3d vectors
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/// </summary>
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/// <param name="a">A 3d vector</param>
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/// <param name="b">A 3d vector</param>
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/// <returns>The distance between the two vectors</returns>
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public static double GetDistanceTo(Vector3 a, Vector3 b)
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{
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float dx = a.X - b.X;
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float dy = a.Y - b.Y;
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float dz = a.Z - b.Z;
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return Math.Sqrt(dx * dx + dy * dy + dz * dz);
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}
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/// <summary>
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/// Returns true if the distance beween A and B is less than amount. Significantly faster than GetDistanceTo since it eliminates the Sqrt.
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/// </summary>
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/// <param name="a"></param>
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/// <param name="b"></param>
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/// <param name="amount"></param>
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/// <returns></returns>
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public static bool DistanceLessThan(Vector3 a, Vector3 b, double amount)
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{
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float dx = a.X - b.X;
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float dy = a.Y - b.Y;
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float dz = a.Z - b.Z;
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return (dx*dx + dy*dy + dz*dz) < (amount*amount);
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}
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/// <summary>
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/// Get the magnitude of a 3d vector
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/// </summary>
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/// <param name="a">A 3d vector</param>
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/// <returns>The magnitude of the vector</returns>
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public static double GetMagnitude(Vector3 a)
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{
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return Math.Sqrt((a.X * a.X) + (a.Y * a.Y) + (a.Z * a.Z));
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}
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/// <summary>
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/// Get a normalized form of a 3d vector
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/// </summary>
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/// <param name="a">A 3d vector</param>
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/// <returns>A new vector which is normalized form of the vector</returns>
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/// <remarks>The vector paramater cannot be <0,0,0></remarks>
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public static Vector3 GetNormalizedVector(Vector3 a)
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{
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if (IsZeroVector(a))
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throw new ArgumentException("Vector paramater cannot be a zero vector.");
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float Mag = (float) GetMagnitude(a);
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return new Vector3(a.X / Mag, a.Y / Mag, a.Z / Mag);
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}
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/// <summary>
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/// Returns if a vector is a zero vector (has all zero components)
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/// </summary>
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/// <returns></returns>
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public static bool IsZeroVector(Vector3 v)
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{
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if (v.X == 0 && v.Y == 0 && v.Z == 0)
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{
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return true;
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}
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return false;
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}
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# endregion
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public static Quaternion Axes2Rot(Vector3 fwd, Vector3 left, Vector3 up)
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{
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float s;
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float tr = (float) (fwd.X + left.Y + up.Z + 1.0);
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if (tr >= 1.0)
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{
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s = (float) (0.5 / Math.Sqrt(tr));
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return new Quaternion(
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(left.Z - up.Y) * s,
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(up.X - fwd.Z) * s,
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(fwd.Y - left.X) * s,
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(float) 0.25 / s);
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}
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else
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{
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float max = (left.Y > up.Z) ? left.Y : up.Z;
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if (max < fwd.X)
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{
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s = (float) (Math.Sqrt(fwd.X - (left.Y + up.Z) + 1.0));
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float x = (float) (s * 0.5);
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s = (float) (0.5 / s);
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return new Quaternion(
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x,
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(fwd.Y + left.X) * s,
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(up.X + fwd.Z) * s,
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(left.Z - up.Y) * s);
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}
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else if (max == left.Y)
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{
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s = (float) (Math.Sqrt(left.Y - (up.Z + fwd.X) + 1.0));
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float y = (float) (s * 0.5);
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s = (float) (0.5 / s);
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return new Quaternion(
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(fwd.Y + left.X) * s,
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y,
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(left.Z + up.Y) * s,
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(up.X - fwd.Z) * s);
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}
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else
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{
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s = (float) (Math.Sqrt(up.Z - (fwd.X + left.Y) + 1.0));
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float z = (float) (s * 0.5);
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s = (float) (0.5 / s);
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return new Quaternion(
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(up.X + fwd.Z) * s,
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(left.Z + up.Y) * s,
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z,
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(fwd.Y - left.X) * s);
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}
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}
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}
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public static Random RandomClass
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{
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get { return randomClass; }
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}
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public static ulong UIntsToLong(uint X, uint Y)
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{
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return Utils.UIntsToLong(X, Y);
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}
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public static T Clamp<T>(T x, T min, T max)
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where T : IComparable<T>
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{
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return x.CompareTo(max) > 0 ? max :
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x.CompareTo(min) < 0 ? min :
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x;
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}
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public static uint GetNextXferID()
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{
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uint id = 0;
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lock (XferLock)
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{
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id = nextXferID;
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nextXferID++;
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}
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return id;
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}
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public static string GetFileName(string file)
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{
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// Return just the filename on UNIX platforms
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// TODO: this should be customisable with a prefix, but that's something to do later.
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if (Environment.OSVersion.Platform == PlatformID.Unix)
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{
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return file;
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}
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// Return %APPDATA%/OpenSim/file for 2K/XP/NT/2K3/VISTA
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// TODO: Switch this to System.Enviroment.SpecialFolders.ApplicationData
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if (Environment.OSVersion.Platform == PlatformID.Win32NT)
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{
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if (!Directory.Exists("%APPDATA%\\OpenSim\\"))
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{
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Directory.CreateDirectory("%APPDATA%\\OpenSim");
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}
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return "%APPDATA%\\OpenSim\\" + file;
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}
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// Catch all - covers older windows versions
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// (but those probably wont work anyway)
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return file;
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}
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/// <summary>
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/// Debug utility function to convert OSD into formatted XML for debugging purposes.
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/// </summary>
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/// <param name="osd">
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/// A <see cref="OSD"/>
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/// </param>
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/// <returns>
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/// A <see cref="System.String"/>
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/// </returns>
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public static string GetFormattedXml(OSD osd)
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{
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return GetFormattedXml(OSDParser.SerializeLLSDXmlString(osd));
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}
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/// <summary>
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/// Debug utility function to convert unbroken strings of XML into something human readable for occasional debugging purposes.
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/// </summary>
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/// <remarks>
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/// Please don't delete me even if I appear currently unused!
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/// </remarks>
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/// <param name="rawXml"></param>
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/// <returns></returns>
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public static string GetFormattedXml(string rawXml)
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{
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XmlDocument xd = new XmlDocument();
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xd.LoadXml(rawXml);
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StringBuilder sb = new StringBuilder();
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StringWriter sw = new StringWriter(sb);
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XmlTextWriter xtw = new XmlTextWriter(sw);
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xtw.Formatting = Formatting.Indented;
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try
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{
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xd.WriteTo(xtw);
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}
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finally
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{
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xtw.Close();
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}
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return sb.ToString();
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}
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/// <summary>
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/// Is the platform Windows?
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/// </summary>
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/// <returns>true if so, false otherwise</returns>
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public static bool IsWindows()
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{
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PlatformID platformId = Environment.OSVersion.Platform;
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return (platformId == PlatformID.Win32NT
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|| platformId == PlatformID.Win32S
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|| platformId == PlatformID.Win32Windows
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|| platformId == PlatformID.WinCE);
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}
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public static bool LoadArchSpecificWindowsDll(string libraryName)
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{
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// We do this so that OpenSimulator on Windows loads the correct native library depending on whether
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// it's running as a 32-bit process or a 64-bit one. By invoking LoadLibary here, later DLLImports
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// will find it already loaded later on.
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//
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// This isn't necessary for other platforms (e.g. Mac OSX and Linux) since the DLL used can be
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// controlled in config files.
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string nativeLibraryPath;
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if (Util.Is64BitProcess())
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nativeLibraryPath = "lib64/" + libraryName;
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else
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nativeLibraryPath = "lib32/" + libraryName;
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m_log.DebugFormat("[UTIL]: Loading native Windows library at {0}", nativeLibraryPath);
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if (Util.LoadLibrary(nativeLibraryPath) == IntPtr.Zero)
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{
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m_log.ErrorFormat(
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"[UTIL]: Couldn't find native Windows library at {0}", nativeLibraryPath);
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return false;
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}
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else
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{
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return true;
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}
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}
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public static bool IsEnvironmentSupported(ref string reason)
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{
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// Must have .NET 2.0 (Generics / libsl)
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if (Environment.Version.Major < 2)
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{
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reason = ".NET 1.0/1.1 lacks components that is used by OpenSim";
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return false;
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}
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// Windows 95/98/ME are unsupported
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if (Environment.OSVersion.Platform == PlatformID.Win32Windows &&
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Environment.OSVersion.Platform != PlatformID.Win32NT)
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{
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reason = "Windows 95/98/ME will not run OpenSim";
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return false;
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}
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// Windows 2000 / Pre-SP2 XP
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if (Environment.OSVersion.Version.Major == 5 &&
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Environment.OSVersion.Version.Minor == 0)
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{
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reason = "Please update to Windows XP Service Pack 2 or Server2003";
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return false;
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}
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return true;
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}
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public static int UnixTimeSinceEpoch()
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{
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return ToUnixTime(DateTime.UtcNow);
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}
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public static int ToUnixTime(DateTime stamp)
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{
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TimeSpan t = stamp.ToUniversalTime() - unixEpoch;
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return (int) t.TotalSeconds;
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}
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public static DateTime ToDateTime(ulong seconds)
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{
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DateTime epoch = unixEpoch;
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return epoch.AddSeconds(seconds);
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}
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public static DateTime ToDateTime(int seconds)
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{
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DateTime epoch = unixEpoch;
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return epoch.AddSeconds(seconds);
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}
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/// <summary>
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/// Return an md5 hash of the given string
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public static string Md5Hash(string data)
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{
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return Md5Hash(data, Encoding.Default);
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}
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public static string Md5Hash(string data, Encoding encoding)
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{
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byte[] dataMd5 = ComputeMD5Hash(data, encoding);
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < dataMd5.Length; i++)
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sb.AppendFormat("{0:x2}", dataMd5[i]);
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return sb.ToString();
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}
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private static byte[] ComputeMD5Hash(string data, Encoding encoding)
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{
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MD5 md5 = MD5.Create();
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return md5.ComputeHash(encoding.GetBytes(data));
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}
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/// <summary>
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/// Return an SHA1 hash
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public static string SHA1Hash(string data, Encoding enc)
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{
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return SHA1Hash(enc.GetBytes(data));
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}
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public static string SHA1Hash(string data)
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{
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return SHA1Hash(Encoding.Default.GetBytes(data));
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}
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/// <summary>
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/// Return an SHA1 hash
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public static string SHA1Hash(byte[] data)
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{
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byte[] hash = ComputeSHA1Hash(data);
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return BitConverter.ToString(hash).Replace("-", String.Empty);
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}
|
|
|
|
private static byte[] ComputeSHA1Hash(byte[] src)
|
|
{
|
|
SHA1CryptoServiceProvider SHA1 = new SHA1CryptoServiceProvider();
|
|
return SHA1.ComputeHash(src);
|
|
}
|
|
|
|
public static int fast_distance2d(int x, int y)
|
|
{
|
|
x = Math.Abs(x);
|
|
y = Math.Abs(y);
|
|
|
|
int min = Math.Min(x, y);
|
|
|
|
return (x + y - (min >> 1) - (min >> 2) + (min >> 4));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Are the co-ordinates of the new region visible from the old region?
|
|
/// </summary>
|
|
/// <param name="oldx">Old region x-coord</param>
|
|
/// <param name="newx">New region x-coord</param>
|
|
/// <param name="oldy">Old region y-coord</param>
|
|
/// <param name="newy">New region y-coord</param>
|
|
/// <returns></returns>
|
|
public static bool IsOutsideView(float drawdist, uint oldx, uint newx, uint oldy, uint newy)
|
|
{
|
|
int dd = (int)((drawdist + Constants.RegionSize - 1) / Constants.RegionSize);
|
|
|
|
int startX = (int)oldx - dd;
|
|
int startY = (int)oldy - dd;
|
|
|
|
int endX = (int)oldx + dd;
|
|
int endY = (int)oldy + dd;
|
|
|
|
return (newx < startX || endX < newx || newy < startY || endY < newy);
|
|
}
|
|
|
|
public static string FieldToString(byte[] bytes)
|
|
{
|
|
return FieldToString(bytes, String.Empty);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert a variable length field (byte array) to a string, with a
|
|
/// field name prepended to each line of the output
|
|
/// </summary>
|
|
/// <remarks>If the byte array has unprintable characters in it, a
|
|
/// hex dump will be put in the string instead</remarks>
|
|
/// <param name="bytes">The byte array to convert to a string</param>
|
|
/// <param name="fieldName">A field name to prepend to each line of output</param>
|
|
/// <returns>An ASCII string or a string containing a hex dump, minus
|
|
/// the null terminator</returns>
|
|
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(": ");
|
|
}
|
|
|
|
output.Append(CleanString(Util.UTF8.GetString(bytes, 0, bytes.Length - 1)));
|
|
}
|
|
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();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a URL to a IPAddress
|
|
/// </summary>
|
|
/// <param name="url">URL Standard Format</param>
|
|
/// <returns>A resolved IP Address</returns>
|
|
public static IPAddress GetHostFromURL(string url)
|
|
{
|
|
return GetHostFromDNS(url.Split(new char[] {'/', ':'})[3]);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a IP address from a specified DNS, favouring IPv4 addresses.
|
|
/// </summary>
|
|
/// <param name="dnsAddress">DNS Hostname</param>
|
|
/// <returns>An IP address, or null</returns>
|
|
public static IPAddress GetHostFromDNS(string dnsAddress)
|
|
{
|
|
// Is it already a valid IP? No need to look it up.
|
|
IPAddress ipa;
|
|
if (IPAddress.TryParse(dnsAddress, out ipa))
|
|
return ipa;
|
|
|
|
IPAddress[] hosts = null;
|
|
|
|
// Not an IP, lookup required
|
|
try
|
|
{
|
|
hosts = Dns.GetHostEntry(dnsAddress).AddressList;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.WarnFormat("[UTIL]: An error occurred while resolving host name {0}, {1}", dnsAddress, e);
|
|
|
|
// Still going to throw the exception on for now, since this was what was happening in the first place
|
|
throw e;
|
|
}
|
|
|
|
foreach (IPAddress host in hosts)
|
|
{
|
|
if (host.AddressFamily == AddressFamily.InterNetwork)
|
|
{
|
|
return host;
|
|
}
|
|
}
|
|
|
|
if (hosts.Length > 0)
|
|
return hosts[0];
|
|
|
|
return null;
|
|
}
|
|
|
|
public static Uri GetURI(string protocol, string hostname, int port, string path)
|
|
{
|
|
return new UriBuilder(protocol, hostname, port, path).Uri;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a list of all local system IP addresses
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static IPAddress[] GetLocalHosts()
|
|
{
|
|
return Dns.GetHostAddresses(Dns.GetHostName());
|
|
}
|
|
|
|
public static IPAddress GetLocalHost()
|
|
{
|
|
IPAddress[] iplist = GetLocalHosts();
|
|
|
|
if (iplist.Length == 0) // No accessible external interfaces
|
|
{
|
|
IPAddress[] loopback = Dns.GetHostAddresses("localhost");
|
|
IPAddress localhost = loopback[0];
|
|
|
|
return localhost;
|
|
}
|
|
|
|
foreach (IPAddress host in iplist)
|
|
{
|
|
if (!IPAddress.IsLoopback(host) && host.AddressFamily == AddressFamily.InterNetwork)
|
|
{
|
|
return host;
|
|
}
|
|
}
|
|
|
|
if (iplist.Length > 0)
|
|
{
|
|
foreach (IPAddress host in iplist)
|
|
{
|
|
if (host.AddressFamily == AddressFamily.InterNetwork)
|
|
return host;
|
|
}
|
|
// Well all else failed...
|
|
return iplist[0];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes all invalid path chars (OS dependent)
|
|
/// </summary>
|
|
/// <param name="path">path</param>
|
|
/// <returns>safe path</returns>
|
|
public static string safePath(string path)
|
|
{
|
|
return Regex.Replace(path, regexInvalidPathChars, String.Empty);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes all invalid filename chars (OS dependent)
|
|
/// </summary>
|
|
/// <param name="path">filename</param>
|
|
/// <returns>safe filename</returns>
|
|
public static string safeFileName(string filename)
|
|
{
|
|
return Regex.Replace(filename, regexInvalidFileChars, String.Empty);
|
|
;
|
|
}
|
|
|
|
//
|
|
// directory locations
|
|
//
|
|
|
|
public static string homeDir()
|
|
{
|
|
string temp;
|
|
// string personal=(Environment.GetFolderPath(Environment.SpecialFolder.Personal));
|
|
// temp = Path.Combine(personal,".OpenSim");
|
|
temp = ".";
|
|
return temp;
|
|
}
|
|
|
|
public static string assetsDir()
|
|
{
|
|
return Path.Combine(configDir(), "assets");
|
|
}
|
|
|
|
public static string inventoryDir()
|
|
{
|
|
return Path.Combine(configDir(), "inventory");
|
|
}
|
|
|
|
public static string configDir()
|
|
{
|
|
return ".";
|
|
}
|
|
|
|
public static string dataDir()
|
|
{
|
|
return ".";
|
|
}
|
|
|
|
public static string logDir()
|
|
{
|
|
return ".";
|
|
}
|
|
|
|
// From: http://coercedcode.blogspot.com/2008/03/c-generate-unique-filenames-within.html
|
|
public static string GetUniqueFilename(string FileName)
|
|
{
|
|
int count = 0;
|
|
string Name;
|
|
|
|
if (File.Exists(FileName))
|
|
{
|
|
FileInfo f = new FileInfo(FileName);
|
|
|
|
if (!String.IsNullOrEmpty(f.Extension))
|
|
{
|
|
Name = f.FullName.Substring(0, f.FullName.LastIndexOf('.'));
|
|
}
|
|
else
|
|
{
|
|
Name = f.FullName;
|
|
}
|
|
|
|
while (File.Exists(FileName))
|
|
{
|
|
count++;
|
|
FileName = Name + count + f.Extension;
|
|
}
|
|
}
|
|
return FileName;
|
|
}
|
|
|
|
// Nini (config) related Methods
|
|
public static IConfigSource ConvertDataRowToXMLConfig(DataRow row, string fileName)
|
|
{
|
|
if (!File.Exists(fileName))
|
|
{
|
|
//create new file
|
|
}
|
|
XmlConfigSource config = new XmlConfigSource(fileName);
|
|
AddDataRowToConfig(config, row);
|
|
config.Save();
|
|
|
|
return config;
|
|
}
|
|
|
|
public static void AddDataRowToConfig(IConfigSource config, DataRow row)
|
|
{
|
|
config.Configs.Add((string) row[0]);
|
|
for (int i = 0; i < row.Table.Columns.Count; i++)
|
|
{
|
|
config.Configs[(string) row[0]].Set(row.Table.Columns[i].ColumnName, row[i]);
|
|
}
|
|
}
|
|
|
|
public static float Clip(float x, float min, float max)
|
|
{
|
|
return Math.Min(Math.Max(x, min), max);
|
|
}
|
|
|
|
public static int Clip(int x, int min, int max)
|
|
{
|
|
return Math.Min(Math.Max(x, min), max);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert an UUID to a raw uuid string. Right now this is a string without hyphens.
|
|
/// </summary>
|
|
/// <param name="UUID"></param>
|
|
/// <returns></returns>
|
|
public static String ToRawUuidString(UUID UUID)
|
|
{
|
|
return UUID.Guid.ToString("n");
|
|
}
|
|
|
|
public static string CleanString(string input)
|
|
{
|
|
if (input.Length == 0)
|
|
return input;
|
|
|
|
int clip = input.Length;
|
|
|
|
// Test for ++ string terminator
|
|
int pos = input.IndexOf("\0");
|
|
if (pos != -1 && pos < clip)
|
|
clip = pos;
|
|
|
|
// Test for CR
|
|
pos = input.IndexOf("\r");
|
|
if (pos != -1 && pos < clip)
|
|
clip = pos;
|
|
|
|
// Test for LF
|
|
pos = input.IndexOf("\n");
|
|
if (pos != -1 && pos < clip)
|
|
clip = pos;
|
|
|
|
// Truncate string before first end-of-line character found
|
|
return input.Substring(0, clip);
|
|
}
|
|
|
|
/// <summary>
|
|
/// returns the contents of /etc/issue on Unix Systems
|
|
/// Use this for where it's absolutely necessary to implement platform specific stuff
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static string ReadEtcIssue()
|
|
{
|
|
try
|
|
{
|
|
StreamReader sr = new StreamReader("/etc/issue.net");
|
|
string issue = sr.ReadToEnd();
|
|
sr.Close();
|
|
return issue;
|
|
}
|
|
catch (Exception)
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
|
|
public static void SerializeToFile(string filename, Object obj)
|
|
{
|
|
IFormatter formatter = new BinaryFormatter();
|
|
Stream stream = null;
|
|
|
|
try
|
|
{
|
|
stream = new FileStream(
|
|
filename, FileMode.Create,
|
|
FileAccess.Write, FileShare.None);
|
|
|
|
formatter.Serialize(stream, obj);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(e.ToString());
|
|
}
|
|
finally
|
|
{
|
|
if (stream != null)
|
|
{
|
|
stream.Close();
|
|
}
|
|
}
|
|
}
|
|
|
|
public static Object DeserializeFromFile(string filename)
|
|
{
|
|
IFormatter formatter = new BinaryFormatter();
|
|
Stream stream = null;
|
|
Object ret = null;
|
|
|
|
try
|
|
{
|
|
stream = new FileStream(
|
|
filename, FileMode.Open,
|
|
FileAccess.Read, FileShare.None);
|
|
|
|
ret = formatter.Deserialize(stream);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Error(e.ToString());
|
|
}
|
|
finally
|
|
{
|
|
if (stream != null)
|
|
{
|
|
stream.Close();
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
public static string Compress(string text)
|
|
{
|
|
byte[] buffer = Util.UTF8.GetBytes(text);
|
|
MemoryStream memory = new MemoryStream();
|
|
using (GZipStream compressor = new GZipStream(memory, CompressionMode.Compress, true))
|
|
{
|
|
compressor.Write(buffer, 0, buffer.Length);
|
|
}
|
|
|
|
memory.Position = 0;
|
|
|
|
byte[] compressed = new byte[memory.Length];
|
|
memory.Read(compressed, 0, compressed.Length);
|
|
|
|
byte[] compressedBuffer = new byte[compressed.Length + 4];
|
|
Buffer.BlockCopy(compressed, 0, compressedBuffer, 4, compressed.Length);
|
|
Buffer.BlockCopy(BitConverter.GetBytes(buffer.Length), 0, compressedBuffer, 0, 4);
|
|
return Convert.ToBase64String(compressedBuffer);
|
|
}
|
|
|
|
public static string Decompress(string compressedText)
|
|
{
|
|
byte[] compressedBuffer = Convert.FromBase64String(compressedText);
|
|
using (MemoryStream memory = new MemoryStream())
|
|
{
|
|
int msgLength = BitConverter.ToInt32(compressedBuffer, 0);
|
|
memory.Write(compressedBuffer, 4, compressedBuffer.Length - 4);
|
|
|
|
byte[] buffer = new byte[msgLength];
|
|
|
|
memory.Position = 0;
|
|
using (GZipStream decompressor = new GZipStream(memory, CompressionMode.Decompress))
|
|
{
|
|
decompressor.Read(buffer, 0, buffer.Length);
|
|
}
|
|
|
|
return Util.UTF8.GetString(buffer);
|
|
}
|
|
}
|
|
|
|
public static XmlRpcResponse XmlRpcCommand(string url, string methodName, params object[] args)
|
|
{
|
|
return SendXmlRpcCommand(url, methodName, args);
|
|
}
|
|
|
|
public static XmlRpcResponse SendXmlRpcCommand(string url, string methodName, object[] args)
|
|
{
|
|
XmlRpcRequest client = new XmlRpcRequest(methodName, args);
|
|
return client.Send(url, 6000);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns an error message that the user could not be found in the database
|
|
/// </summary>
|
|
/// <returns>XML string consisting of a error element containing individual error(s)</returns>
|
|
public static XmlRpcResponse CreateUnknownUserErrorResponse()
|
|
{
|
|
XmlRpcResponse response = new XmlRpcResponse();
|
|
Hashtable responseData = new Hashtable();
|
|
responseData["error_type"] = "unknown_user";
|
|
responseData["error_desc"] = "The user requested is not in the database";
|
|
|
|
response.Value = responseData;
|
|
return response;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a byte array in big endian order into an ulong.
|
|
/// </summary>
|
|
/// <param name="bytes">
|
|
/// The array of bytes
|
|
/// </param>
|
|
/// <returns>
|
|
/// The extracted ulong
|
|
/// </returns>
|
|
public static ulong BytesToUInt64Big(byte[] bytes)
|
|
{
|
|
if (bytes.Length < 8) return 0;
|
|
return ((ulong)bytes[0] << 56) | ((ulong)bytes[1] << 48) | ((ulong)bytes[2] << 40) | ((ulong)bytes[3] << 32) |
|
|
((ulong)bytes[4] << 24) | ((ulong)bytes[5] << 16) | ((ulong)bytes[6] << 8) | (ulong)bytes[7];
|
|
}
|
|
|
|
// used for RemoteParcelRequest (for "About Landmark")
|
|
public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y)
|
|
{
|
|
byte[] bytes =
|
|
{
|
|
(byte)regionHandle, (byte)(regionHandle >> 8), (byte)(regionHandle >> 16), (byte)(regionHandle >> 24),
|
|
(byte)(regionHandle >> 32), (byte)(regionHandle >> 40), (byte)(regionHandle >> 48), (byte)(regionHandle << 56),
|
|
(byte)x, (byte)(x >> 8), 0, 0,
|
|
(byte)y, (byte)(y >> 8), 0, 0 };
|
|
return new UUID(bytes, 0);
|
|
}
|
|
|
|
public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y, uint z)
|
|
{
|
|
byte[] bytes =
|
|
{
|
|
(byte)regionHandle, (byte)(regionHandle >> 8), (byte)(regionHandle >> 16), (byte)(regionHandle >> 24),
|
|
(byte)(regionHandle >> 32), (byte)(regionHandle >> 40), (byte)(regionHandle >> 48), (byte)(regionHandle << 56),
|
|
(byte)x, (byte)(x >> 8), (byte)z, (byte)(z >> 8),
|
|
(byte)y, (byte)(y >> 8), 0, 0 };
|
|
return new UUID(bytes, 0);
|
|
}
|
|
|
|
public static void ParseFakeParcelID(UUID parcelID, out ulong regionHandle, out uint x, out uint y)
|
|
{
|
|
byte[] bytes = parcelID.GetBytes();
|
|
regionHandle = Utils.BytesToUInt64(bytes);
|
|
x = Utils.BytesToUInt(bytes, 8) & 0xffff;
|
|
y = Utils.BytesToUInt(bytes, 12) & 0xffff;
|
|
}
|
|
|
|
public static void ParseFakeParcelID(UUID parcelID, out ulong regionHandle, out uint x, out uint y, out uint z)
|
|
{
|
|
byte[] bytes = parcelID.GetBytes();
|
|
regionHandle = Utils.BytesToUInt64(bytes);
|
|
x = Utils.BytesToUInt(bytes, 8) & 0xffff;
|
|
z = (Utils.BytesToUInt(bytes, 8) & 0xffff0000) >> 16;
|
|
y = Utils.BytesToUInt(bytes, 12) & 0xffff;
|
|
}
|
|
|
|
public static void FakeParcelIDToGlobalPosition(UUID parcelID, out uint x, out uint y)
|
|
{
|
|
ulong regionHandle;
|
|
uint rx, ry;
|
|
|
|
ParseFakeParcelID(parcelID, out regionHandle, out x, out y);
|
|
Utils.LongToUInts(regionHandle, out rx, out ry);
|
|
|
|
x += rx;
|
|
y += ry;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get operating system information if available. Returns only the first 45 characters of information
|
|
/// </summary>
|
|
/// <returns>
|
|
/// Operating system information. Returns an empty string if none was available.
|
|
/// </returns>
|
|
public static string GetOperatingSystemInformation()
|
|
{
|
|
string os = String.Empty;
|
|
|
|
// if (Environment.OSVersion.Platform != PlatformID.Unix)
|
|
// {
|
|
// os = Environment.OSVersion.ToString();
|
|
// }
|
|
// else
|
|
// {
|
|
// os = ReadEtcIssue();
|
|
// }
|
|
//
|
|
// if (os.Length > 45)
|
|
// {
|
|
// os = os.Substring(0, 45);
|
|
// }
|
|
|
|
return os;
|
|
}
|
|
|
|
public static string GetRuntimeInformation()
|
|
{
|
|
string ru = String.Empty;
|
|
|
|
if (Environment.OSVersion.Platform == PlatformID.Unix)
|
|
ru = "Unix/Mono";
|
|
else
|
|
if (Environment.OSVersion.Platform == PlatformID.MacOSX)
|
|
ru = "OSX/Mono";
|
|
else
|
|
{
|
|
if (Type.GetType("Mono.Runtime") != null)
|
|
ru = "Win/Mono";
|
|
else
|
|
ru = "Win/.NET";
|
|
}
|
|
|
|
return ru;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Is the given string a UUID?
|
|
/// </summary>
|
|
/// <param name="s"></param>
|
|
/// <returns></returns>
|
|
public static bool isUUID(string s)
|
|
{
|
|
return UUIDPattern.IsMatch(s);
|
|
}
|
|
|
|
public static string GetDisplayConnectionString(string connectionString)
|
|
{
|
|
int passPosition = 0;
|
|
int passEndPosition = 0;
|
|
string displayConnectionString = null;
|
|
|
|
// hide the password in the connection string
|
|
passPosition = connectionString.IndexOf("password", StringComparison.OrdinalIgnoreCase);
|
|
passPosition = connectionString.IndexOf("=", passPosition);
|
|
if (passPosition < connectionString.Length)
|
|
passPosition += 1;
|
|
passEndPosition = connectionString.IndexOf(";", passPosition);
|
|
|
|
displayConnectionString = connectionString.Substring(0, passPosition);
|
|
displayConnectionString += "***";
|
|
displayConnectionString += connectionString.Substring(passEndPosition, connectionString.Length - passEndPosition);
|
|
|
|
return displayConnectionString;
|
|
}
|
|
|
|
public static T ReadSettingsFromIniFile<T>(IConfig config, T settingsClass)
|
|
{
|
|
Type settingsType = settingsClass.GetType();
|
|
|
|
FieldInfo[] fieldInfos = settingsType.GetFields();
|
|
foreach (FieldInfo fieldInfo in fieldInfos)
|
|
{
|
|
if (!fieldInfo.IsStatic)
|
|
{
|
|
if (fieldInfo.FieldType == typeof(System.String))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, config.Get(fieldInfo.Name, (string)fieldInfo.GetValue(settingsClass)));
|
|
}
|
|
else if (fieldInfo.FieldType == typeof(System.Boolean))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, config.GetBoolean(fieldInfo.Name, (bool)fieldInfo.GetValue(settingsClass)));
|
|
}
|
|
else if (fieldInfo.FieldType == typeof(System.Int32))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, config.GetInt(fieldInfo.Name, (int)fieldInfo.GetValue(settingsClass)));
|
|
}
|
|
else if (fieldInfo.FieldType == typeof(System.Single))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, config.GetFloat(fieldInfo.Name, (float)fieldInfo.GetValue(settingsClass)));
|
|
}
|
|
else if (fieldInfo.FieldType == typeof(System.UInt32))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, Convert.ToUInt32(config.Get(fieldInfo.Name, ((uint)fieldInfo.GetValue(settingsClass)).ToString())));
|
|
}
|
|
}
|
|
}
|
|
|
|
PropertyInfo[] propertyInfos = settingsType.GetProperties();
|
|
foreach (PropertyInfo propInfo in propertyInfos)
|
|
{
|
|
if ((propInfo.CanRead) && (propInfo.CanWrite))
|
|
{
|
|
if (propInfo.PropertyType == typeof(System.String))
|
|
{
|
|
propInfo.SetValue(settingsClass, config.Get(propInfo.Name, (string)propInfo.GetValue(settingsClass, null)), null);
|
|
}
|
|
else if (propInfo.PropertyType == typeof(System.Boolean))
|
|
{
|
|
propInfo.SetValue(settingsClass, config.GetBoolean(propInfo.Name, (bool)propInfo.GetValue(settingsClass, null)), null);
|
|
}
|
|
else if (propInfo.PropertyType == typeof(System.Int32))
|
|
{
|
|
propInfo.SetValue(settingsClass, config.GetInt(propInfo.Name, (int)propInfo.GetValue(settingsClass, null)), null);
|
|
}
|
|
else if (propInfo.PropertyType == typeof(System.Single))
|
|
{
|
|
propInfo.SetValue(settingsClass, config.GetFloat(propInfo.Name, (float)propInfo.GetValue(settingsClass, null)), null);
|
|
}
|
|
if (propInfo.PropertyType == typeof(System.UInt32))
|
|
{
|
|
propInfo.SetValue(settingsClass, Convert.ToUInt32(config.Get(propInfo.Name, ((uint)propInfo.GetValue(settingsClass, null)).ToString())), null);
|
|
}
|
|
}
|
|
}
|
|
|
|
return settingsClass;
|
|
}
|
|
|
|
public static string Base64ToString(string str)
|
|
{
|
|
Decoder utf8Decode = Encoding.UTF8.GetDecoder();
|
|
|
|
byte[] todecode_byte = Convert.FromBase64String(str);
|
|
int charCount = utf8Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length);
|
|
char[] decoded_char = new char[charCount];
|
|
utf8Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0);
|
|
string result = new String(decoded_char);
|
|
return result;
|
|
}
|
|
|
|
public static Guid GetHashGuid(string data, string salt)
|
|
{
|
|
byte[] hash = ComputeMD5Hash(data + salt, Encoding.Default);
|
|
|
|
//string s = BitConverter.ToString(hash);
|
|
|
|
Guid guid = new Guid(hash);
|
|
|
|
return guid;
|
|
}
|
|
|
|
public static byte ConvertMaturityToAccessLevel(uint maturity)
|
|
{
|
|
byte retVal = 0;
|
|
switch (maturity)
|
|
{
|
|
case 0: //PG
|
|
retVal = 13;
|
|
break;
|
|
case 1: //Mature
|
|
retVal = 21;
|
|
break;
|
|
case 2: // Adult
|
|
retVal = 42;
|
|
break;
|
|
}
|
|
|
|
return retVal;
|
|
|
|
}
|
|
|
|
public static uint ConvertAccessLevelToMaturity(byte maturity)
|
|
{
|
|
if (maturity <= 13)
|
|
return 0;
|
|
else if (maturity <= 21)
|
|
return 1;
|
|
else
|
|
return 2;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Produces an OSDMap from its string representation on a stream
|
|
/// </summary>
|
|
/// <param name="data">The stream</param>
|
|
/// <param name="length">The size of the data on the stream</param>
|
|
/// <returns>The OSDMap or an exception</returns>
|
|
public static OSDMap GetOSDMap(Stream stream, int length)
|
|
{
|
|
byte[] data = new byte[length];
|
|
stream.Read(data, 0, length);
|
|
string strdata = Util.UTF8.GetString(data);
|
|
OSDMap args = null;
|
|
OSD buffer;
|
|
buffer = OSDParser.DeserializeJson(strdata);
|
|
if (buffer.Type == OSDType.Map)
|
|
{
|
|
args = (OSDMap)buffer;
|
|
return args;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public static OSDMap GetOSDMap(string data)
|
|
{
|
|
OSDMap args = null;
|
|
try
|
|
{
|
|
OSD buffer;
|
|
// We should pay attention to the content-type, but let's assume we know it's Json
|
|
buffer = OSDParser.DeserializeJson(data);
|
|
if (buffer.Type == OSDType.Map)
|
|
{
|
|
args = (OSDMap)buffer;
|
|
return args;
|
|
}
|
|
else
|
|
{
|
|
// uh?
|
|
m_log.Debug(("[UTILS]: Got OSD of unexpected type " + buffer.Type.ToString()));
|
|
return null;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
m_log.Debug("[UTILS]: exception on GetOSDMap " + ex.Message);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static string[] Glob(string path)
|
|
{
|
|
string vol=String.Empty;
|
|
|
|
if (Path.VolumeSeparatorChar != Path.DirectorySeparatorChar)
|
|
{
|
|
string[] vcomps = path.Split(new char[] {Path.VolumeSeparatorChar}, 2, StringSplitOptions.RemoveEmptyEntries);
|
|
|
|
if (vcomps.Length > 1)
|
|
{
|
|
path = vcomps[1];
|
|
vol = vcomps[0];
|
|
}
|
|
}
|
|
|
|
string[] comps = path.Split(new char[] {Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar}, StringSplitOptions.RemoveEmptyEntries);
|
|
|
|
// Glob
|
|
|
|
path = vol;
|
|
if (vol != String.Empty)
|
|
path += new String(new char[] {Path.VolumeSeparatorChar, Path.DirectorySeparatorChar});
|
|
else
|
|
path = new String(new char[] {Path.DirectorySeparatorChar});
|
|
|
|
List<string> paths = new List<string>();
|
|
List<string> found = new List<string>();
|
|
paths.Add(path);
|
|
|
|
int compIndex = -1;
|
|
foreach (string c in comps)
|
|
{
|
|
compIndex++;
|
|
|
|
List<string> addpaths = new List<string>();
|
|
foreach (string p in paths)
|
|
{
|
|
string[] dirs = Directory.GetDirectories(p, c);
|
|
|
|
if (dirs.Length != 0)
|
|
{
|
|
foreach (string dir in dirs)
|
|
addpaths.Add(Path.Combine(path, dir));
|
|
}
|
|
|
|
// Only add files if that is the last path component
|
|
if (compIndex == comps.Length - 1)
|
|
{
|
|
string[] files = Directory.GetFiles(p, c);
|
|
foreach (string f in files)
|
|
found.Add(f);
|
|
}
|
|
}
|
|
paths = addpaths;
|
|
}
|
|
|
|
return found.ToArray();
|
|
}
|
|
|
|
public static string ServerURI(string uri)
|
|
{
|
|
if (uri == string.Empty)
|
|
return string.Empty;
|
|
|
|
// Get rid of eventual slashes at the end
|
|
uri = uri.TrimEnd('/');
|
|
|
|
IPAddress ipaddr1 = null;
|
|
string port1 = "";
|
|
try
|
|
{
|
|
ipaddr1 = Util.GetHostFromURL(uri);
|
|
}
|
|
catch { }
|
|
|
|
try
|
|
{
|
|
port1 = uri.Split(new char[] { ':' })[2];
|
|
}
|
|
catch { }
|
|
|
|
// We tried our best to convert the domain names to IP addresses
|
|
return (ipaddr1 != null) ? "http://" + ipaddr1.ToString() + ":" + port1 : uri;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert a string to a byte format suitable for transport in an LLUDP packet. The output is truncated to 256 bytes if necessary.
|
|
/// </summary>
|
|
/// <param name="str">
|
|
/// If null or empty, then an bytes[0] is returned.
|
|
/// Using "\0" will return a conversion of the null character to a byte. This is not the same as bytes[0]
|
|
/// </param>
|
|
/// <param name="args">
|
|
/// Arguments to substitute into the string via the {} mechanism.
|
|
/// </param>
|
|
/// <returns></returns>
|
|
public static byte[] StringToBytes256(string str, params object[] args)
|
|
{
|
|
return StringToBytes256(string.Format(str, args));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert a string to a byte format suitable for transport in an LLUDP packet. The output is truncated to 256 bytes if necessary.
|
|
/// </summary>
|
|
/// <param name="str">
|
|
/// If null or empty, then an bytes[0] is returned.
|
|
/// Using "\0" will return a conversion of the null character to a byte. This is not the same as bytes[0]
|
|
/// </param>
|
|
/// <returns></returns>
|
|
public static byte[] StringToBytes256(string str)
|
|
{
|
|
if (String.IsNullOrEmpty(str)) { return Utils.EmptyBytes; }
|
|
if (str.Length > 254) str = str.Remove(254);
|
|
if (!str.EndsWith("\0")) { str += "\0"; }
|
|
|
|
// Because this is UTF-8 encoding and not ASCII, it's possible we
|
|
// might have gotten an oversized array even after the string trim
|
|
byte[] data = UTF8.GetBytes(str);
|
|
if (data.Length > 256)
|
|
{
|
|
Array.Resize<byte>(ref data, 256);
|
|
data[255] = 0;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert a string to a byte format suitable for transport in an LLUDP packet. The output is truncated to 1024 bytes if necessary.
|
|
/// </summary>
|
|
/// <param name="str">
|
|
/// If null or empty, then an bytes[0] is returned.
|
|
/// Using "\0" will return a conversion of the null character to a byte. This is not the same as bytes[0]
|
|
/// </param>
|
|
/// <param name="args">
|
|
/// Arguments to substitute into the string via the {} mechanism.
|
|
/// </param>
|
|
/// <returns></returns>
|
|
public static byte[] StringToBytes1024(string str, params object[] args)
|
|
{
|
|
return StringToBytes1024(string.Format(str, args));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert a string to a byte format suitable for transport in an LLUDP packet. The output is truncated to 1024 bytes if necessary.
|
|
/// </summary>
|
|
/// <param name="str">
|
|
/// If null or empty, then an bytes[0] is returned.
|
|
/// Using "\0" will return a conversion of the null character to a byte. This is not the same as bytes[0]
|
|
/// </param>
|
|
/// <returns></returns>
|
|
public static byte[] StringToBytes1024(string str)
|
|
{
|
|
if (String.IsNullOrEmpty(str)) { return Utils.EmptyBytes; }
|
|
if (str.Length > 1023) str = str.Remove(1023);
|
|
if (!str.EndsWith("\0")) { str += "\0"; }
|
|
|
|
// Because this is UTF-8 encoding and not ASCII, it's possible we
|
|
// might have gotten an oversized array even after the string trim
|
|
byte[] data = UTF8.GetBytes(str);
|
|
if (data.Length > 1024)
|
|
{
|
|
Array.Resize<byte>(ref data, 1024);
|
|
data[1023] = 0;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Used to trigger an early library load on Windows systems.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Required to get 32-bit and 64-bit processes to automatically use the
|
|
/// appropriate native library.
|
|
/// </remarks>
|
|
/// <param name="dllToLoad"></param>
|
|
/// <returns></returns>
|
|
[DllImport("kernel32.dll")]
|
|
public static extern IntPtr LoadLibrary(string dllToLoad);
|
|
|
|
/// <summary>
|
|
/// Determine whether the current process is 64 bit
|
|
/// </summary>
|
|
/// <returns>true if so, false if not</returns>
|
|
public static bool Is64BitProcess()
|
|
{
|
|
return IntPtr.Size == 8;
|
|
}
|
|
|
|
#region FireAndForget Threading Pattern
|
|
|
|
/// <summary>
|
|
/// Created to work around a limitation in Mono with nested delegates
|
|
/// </summary>
|
|
private sealed class FireAndForgetWrapper
|
|
{
|
|
private static volatile FireAndForgetWrapper instance;
|
|
private static object syncRoot = new Object();
|
|
|
|
public static FireAndForgetWrapper Instance {
|
|
get {
|
|
|
|
if (instance == null)
|
|
{
|
|
lock (syncRoot)
|
|
{
|
|
if (instance == null)
|
|
{
|
|
instance = new FireAndForgetWrapper();
|
|
}
|
|
}
|
|
}
|
|
|
|
return instance;
|
|
}
|
|
}
|
|
|
|
public void FireAndForget(System.Threading.WaitCallback callback)
|
|
{
|
|
callback.BeginInvoke(null, EndFireAndForget, callback);
|
|
}
|
|
|
|
public void FireAndForget(System.Threading.WaitCallback callback, object obj)
|
|
{
|
|
callback.BeginInvoke(obj, EndFireAndForget, callback);
|
|
}
|
|
|
|
private static void EndFireAndForget(IAsyncResult ar)
|
|
{
|
|
System.Threading.WaitCallback callback = (System.Threading.WaitCallback)ar.AsyncState;
|
|
|
|
try { callback.EndInvoke(ar); }
|
|
catch (Exception ex) { m_log.Error("[UTIL]: Asynchronous method threw an exception: " + ex.Message, ex); }
|
|
|
|
ar.AsyncWaitHandle.Close();
|
|
}
|
|
}
|
|
|
|
public static void FireAndForget(System.Threading.WaitCallback callback)
|
|
{
|
|
FireAndForget(callback, null);
|
|
}
|
|
|
|
public static void InitThreadPool(int maxThreads)
|
|
{
|
|
if (maxThreads < 2)
|
|
throw new ArgumentOutOfRangeException("maxThreads", "maxThreads must be greater than 2");
|
|
if (m_ThreadPool != null)
|
|
throw new InvalidOperationException("SmartThreadPool is already initialized");
|
|
|
|
m_ThreadPool = new SmartThreadPool(2000, maxThreads, 2);
|
|
}
|
|
|
|
public static int FireAndForgetCount()
|
|
{
|
|
const int MAX_SYSTEM_THREADS = 200;
|
|
|
|
switch (FireAndForgetMethod)
|
|
{
|
|
case FireAndForgetMethod.UnsafeQueueUserWorkItem:
|
|
case FireAndForgetMethod.QueueUserWorkItem:
|
|
case FireAndForgetMethod.BeginInvoke:
|
|
int workerThreads, iocpThreads;
|
|
ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
|
|
return workerThreads;
|
|
case FireAndForgetMethod.SmartThreadPool:
|
|
return m_ThreadPool.MaxThreads - m_ThreadPool.InUseThreads;
|
|
case FireAndForgetMethod.Thread:
|
|
return MAX_SYSTEM_THREADS - System.Diagnostics.Process.GetCurrentProcess().Threads.Count;
|
|
default:
|
|
throw new NotImplementedException();
|
|
}
|
|
}
|
|
|
|
public static void FireAndForget(System.Threading.WaitCallback callback, object obj)
|
|
{
|
|
WaitCallback realCallback;
|
|
|
|
if (FireAndForgetMethod == FireAndForgetMethod.RegressionTest)
|
|
{
|
|
// If we're running regression tests, then we want any exceptions to rise up to the test code.
|
|
realCallback = o => { Culture.SetCurrentCulture(); callback(o); };
|
|
}
|
|
else
|
|
{
|
|
// When OpenSim interacts with a database or sends data over the wire, it must send this in en_US culture
|
|
// so that we don't encounter problems where, for instance, data is saved with a culture that uses commas
|
|
// for decimals places but is read by a culture that treats commas as number seperators.
|
|
realCallback = o =>
|
|
{
|
|
Culture.SetCurrentCulture();
|
|
|
|
try
|
|
{
|
|
callback(o);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat(
|
|
"[UTIL]: Continuing after async_call_method thread terminated with exception {0}{1}",
|
|
e.Message, e.StackTrace);
|
|
}
|
|
};
|
|
}
|
|
|
|
switch (FireAndForgetMethod)
|
|
{
|
|
case FireAndForgetMethod.RegressionTest:
|
|
case FireAndForgetMethod.None:
|
|
realCallback.Invoke(obj);
|
|
break;
|
|
case FireAndForgetMethod.UnsafeQueueUserWorkItem:
|
|
ThreadPool.UnsafeQueueUserWorkItem(realCallback, obj);
|
|
break;
|
|
case FireAndForgetMethod.QueueUserWorkItem:
|
|
ThreadPool.QueueUserWorkItem(realCallback, obj);
|
|
break;
|
|
case FireAndForgetMethod.BeginInvoke:
|
|
FireAndForgetWrapper wrapper = FireAndForgetWrapper.Instance;
|
|
wrapper.FireAndForget(realCallback, obj);
|
|
break;
|
|
case FireAndForgetMethod.SmartThreadPool:
|
|
if (m_ThreadPool == null)
|
|
m_ThreadPool = new SmartThreadPool(2000, 15, 2);
|
|
m_ThreadPool.QueueWorkItem(SmartThreadPoolCallback, new object[] { realCallback, obj });
|
|
break;
|
|
case FireAndForgetMethod.Thread:
|
|
Thread thread = new Thread(delegate(object o) { realCallback(o); });
|
|
thread.Start(obj);
|
|
break;
|
|
default:
|
|
throw new NotImplementedException();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get a thread pool report.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static string GetThreadPoolReport()
|
|
{
|
|
string threadPoolUsed = null;
|
|
int maxThreads = 0;
|
|
int minThreads = 0;
|
|
int allocatedThreads = 0;
|
|
int inUseThreads = 0;
|
|
int waitingCallbacks = 0;
|
|
int completionPortThreads = 0;
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
if (FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool)
|
|
{
|
|
threadPoolUsed = "SmartThreadPool";
|
|
maxThreads = m_ThreadPool.MaxThreads;
|
|
minThreads = m_ThreadPool.MinThreads;
|
|
inUseThreads = m_ThreadPool.InUseThreads;
|
|
allocatedThreads = m_ThreadPool.ActiveThreads;
|
|
waitingCallbacks = m_ThreadPool.WaitingCallbacks;
|
|
}
|
|
else if (
|
|
FireAndForgetMethod == FireAndForgetMethod.UnsafeQueueUserWorkItem
|
|
|| FireAndForgetMethod == FireAndForgetMethod.UnsafeQueueUserWorkItem)
|
|
{
|
|
threadPoolUsed = "BuiltInThreadPool";
|
|
ThreadPool.GetMaxThreads(out maxThreads, out completionPortThreads);
|
|
ThreadPool.GetMinThreads(out minThreads, out completionPortThreads);
|
|
int availableThreads;
|
|
ThreadPool.GetAvailableThreads(out availableThreads, out completionPortThreads);
|
|
inUseThreads = maxThreads - availableThreads;
|
|
allocatedThreads = -1;
|
|
waitingCallbacks = -1;
|
|
}
|
|
|
|
if (threadPoolUsed != null)
|
|
{
|
|
sb.AppendFormat("Thread pool used : {0}\n", threadPoolUsed);
|
|
sb.AppendFormat("Max threads : {0}\n", maxThreads);
|
|
sb.AppendFormat("Min threads : {0}\n", minThreads);
|
|
sb.AppendFormat("Allocated threads : {0}\n", allocatedThreads < 0 ? "not applicable" : allocatedThreads.ToString());
|
|
sb.AppendFormat("In use threads : {0}\n", inUseThreads);
|
|
sb.AppendFormat("Work items waiting : {0}\n", waitingCallbacks < 0 ? "not available" : waitingCallbacks.ToString());
|
|
}
|
|
else
|
|
{
|
|
sb.AppendFormat("Thread pool not used\n");
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
private static object SmartThreadPoolCallback(object o)
|
|
{
|
|
object[] array = (object[])o;
|
|
WaitCallback callback = (WaitCallback)array[0];
|
|
object obj = array[1];
|
|
|
|
callback(obj);
|
|
return null;
|
|
}
|
|
|
|
#endregion FireAndForget Threading Pattern
|
|
|
|
/// <summary>
|
|
/// Environment.TickCount is an int but it counts all 32 bits so it goes positive
|
|
/// and negative every 24.9 days. This trims down TickCount so it doesn't wrap
|
|
/// for the callers.
|
|
/// This trims it to a 12 day interval so don't let your frame time get too long.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static Int32 EnvironmentTickCount()
|
|
{
|
|
return Environment.TickCount & EnvironmentTickCountMask;
|
|
}
|
|
const Int32 EnvironmentTickCountMask = 0x3fffffff;
|
|
|
|
/// <summary>
|
|
/// Environment.TickCount is an int but it counts all 32 bits so it goes positive
|
|
/// and negative every 24.9 days. Subtracts the passed value (previously fetched by
|
|
/// 'EnvironmentTickCount()') and accounts for any wrapping.
|
|
/// </summary>
|
|
/// <param name="newValue"></param>
|
|
/// <param name="prevValue"></param>
|
|
/// <returns>subtraction of passed prevValue from current Environment.TickCount</returns>
|
|
public static Int32 EnvironmentTickCountSubtract(Int32 newValue, Int32 prevValue)
|
|
{
|
|
Int32 diff = newValue - prevValue;
|
|
return (diff >= 0) ? diff : (diff + EnvironmentTickCountMask + 1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Environment.TickCount is an int but it counts all 32 bits so it goes positive
|
|
/// and negative every 24.9 days. Subtracts the passed value (previously fetched by
|
|
/// 'EnvironmentTickCount()') and accounts for any wrapping.
|
|
/// </summary>
|
|
/// <returns>subtraction of passed prevValue from current Environment.TickCount</returns>
|
|
public static Int32 EnvironmentTickCountSubtract(Int32 prevValue)
|
|
{
|
|
return EnvironmentTickCountSubtract(EnvironmentTickCount(), prevValue);
|
|
}
|
|
|
|
// Returns value of Tick Count A - TickCount B accounting for wrapping of TickCount
|
|
// Assumes both tcA and tcB came from previous calls to Util.EnvironmentTickCount().
|
|
// A positive return value indicates A occured later than B
|
|
public static Int32 EnvironmentTickCountCompare(Int32 tcA, Int32 tcB)
|
|
{
|
|
// A, B and TC are all between 0 and 0x3fffffff
|
|
int tc = EnvironmentTickCount();
|
|
|
|
if (tc - tcA >= 0)
|
|
tcA += EnvironmentTickCountMask + 1;
|
|
|
|
if (tc - tcB >= 0)
|
|
tcB += EnvironmentTickCountMask + 1;
|
|
|
|
return tcA - tcB;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Prints the call stack at any given point. Useful for debugging.
|
|
/// </summary>
|
|
public static void PrintCallStack()
|
|
{
|
|
StackTrace stackTrace = new StackTrace(true); // get call stack
|
|
StackFrame[] stackFrames = stackTrace.GetFrames(); // get method calls (frames)
|
|
|
|
// write call stack method names
|
|
foreach (StackFrame stackFrame in stackFrames)
|
|
{
|
|
MethodBase mb = stackFrame.GetMethod();
|
|
m_log.DebugFormat("{0}.{1}:{2}", mb.DeclaringType, mb.Name, stackFrame.GetFileLineNumber()); // write method name
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the client IP address
|
|
/// </summary>
|
|
/// <param name="xff"></param>
|
|
/// <returns></returns>
|
|
public static IPEndPoint GetClientIPFromXFF(string xff)
|
|
{
|
|
if (xff == string.Empty)
|
|
return null;
|
|
|
|
string[] parts = xff.Split(new char[] { ',' });
|
|
if (parts.Length > 0)
|
|
{
|
|
try
|
|
{
|
|
return new IPEndPoint(IPAddress.Parse(parts[0]), 0);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.WarnFormat("[UTIL]: Exception parsing XFF header {0}: {1}", xff, e.Message);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public static string GetCallerIP(Hashtable req)
|
|
{
|
|
if (req.ContainsKey("headers"))
|
|
{
|
|
try
|
|
{
|
|
Hashtable headers = (Hashtable)req["headers"];
|
|
if (headers.ContainsKey("remote_addr") && headers["remote_addr"] != null)
|
|
return headers["remote_addr"].ToString();
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.WarnFormat("[UTIL]: exception in GetCallerIP: {0}", e.Message);
|
|
}
|
|
}
|
|
return string.Empty;
|
|
}
|
|
|
|
#region Xml Serialization Utilities
|
|
public static bool ReadBoolean(XmlTextReader reader)
|
|
{
|
|
reader.ReadStartElement();
|
|
bool result = Boolean.Parse(reader.ReadContentAsString().ToLower());
|
|
reader.ReadEndElement();
|
|
|
|
return result;
|
|
}
|
|
|
|
public static UUID ReadUUID(XmlTextReader reader, string name)
|
|
{
|
|
UUID id;
|
|
string idStr;
|
|
|
|
reader.ReadStartElement(name);
|
|
|
|
if (reader.Name == "Guid")
|
|
idStr = reader.ReadElementString("Guid");
|
|
else if (reader.Name == "UUID")
|
|
idStr = reader.ReadElementString("UUID");
|
|
else // no leading tag
|
|
idStr = reader.ReadContentAsString();
|
|
UUID.TryParse(idStr, out id);
|
|
reader.ReadEndElement();
|
|
|
|
return id;
|
|
}
|
|
|
|
public static Vector3 ReadVector(XmlTextReader reader, string name)
|
|
{
|
|
Vector3 vec;
|
|
|
|
reader.ReadStartElement(name);
|
|
vec.X = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // X or x
|
|
vec.Y = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // Y or y
|
|
vec.Z = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // Z or z
|
|
reader.ReadEndElement();
|
|
|
|
return vec;
|
|
}
|
|
|
|
public static Quaternion ReadQuaternion(XmlTextReader reader, string name)
|
|
{
|
|
Quaternion quat = new Quaternion();
|
|
|
|
reader.ReadStartElement(name);
|
|
while (reader.NodeType != XmlNodeType.EndElement)
|
|
{
|
|
switch (reader.Name.ToLower())
|
|
{
|
|
case "x":
|
|
quat.X = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
|
|
break;
|
|
case "y":
|
|
quat.Y = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
|
|
break;
|
|
case "z":
|
|
quat.Z = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
|
|
break;
|
|
case "w":
|
|
quat.W = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
|
|
break;
|
|
}
|
|
}
|
|
|
|
reader.ReadEndElement();
|
|
|
|
return quat;
|
|
}
|
|
|
|
public static T ReadEnum<T>(XmlTextReader reader, string name)
|
|
{
|
|
string value = reader.ReadElementContentAsString(name, String.Empty);
|
|
// !!!!! to deal with flags without commas
|
|
if (value.Contains(" ") && !value.Contains(","))
|
|
value = value.Replace(" ", ", ");
|
|
|
|
return (T)Enum.Parse(typeof(T), value); ;
|
|
}
|
|
#endregion
|
|
|
|
#region Universal User Identifiers
|
|
/// <summary>
|
|
/// </summary>
|
|
/// <param name="value">uuid[;endpoint[;first last[;secret]]]</param>
|
|
/// <param name="uuid">the uuid part</param>
|
|
/// <param name="url">the endpoint part (e.g. http://foo.com)</param>
|
|
/// <param name="firstname">the first name part (e.g. Test)</param>
|
|
/// <param name="lastname">the last name part (e.g User)</param>
|
|
/// <param name="secret">the secret part</param>
|
|
public static bool ParseUniversalUserIdentifier(string value, out UUID uuid, out string url, out string firstname, out string lastname, out string secret)
|
|
{
|
|
uuid = UUID.Zero; url = string.Empty; firstname = "Unknown"; lastname = "User"; secret = string.Empty;
|
|
|
|
string[] parts = value.Split(';');
|
|
if (parts.Length >= 1)
|
|
if (!UUID.TryParse(parts[0], out uuid))
|
|
return false;
|
|
|
|
if (parts.Length >= 2)
|
|
url = parts[1];
|
|
|
|
if (parts.Length >= 3)
|
|
{
|
|
string[] name = parts[2].Split();
|
|
if (name.Length == 2)
|
|
{
|
|
firstname = name[0];
|
|
lastname = name[1];
|
|
}
|
|
}
|
|
if (parts.Length >= 4)
|
|
secret = parts[3];
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Produces a universal (HG) system-facing identifier given the information
|
|
/// </summary>
|
|
/// <param name="acircuit"></param>
|
|
/// <returns>uuid[;homeURI[;first last]]</returns>
|
|
public static string ProduceUserUniversalIdentifier(AgentCircuitData acircuit)
|
|
{
|
|
if (acircuit.ServiceURLs.ContainsKey("HomeURI"))
|
|
return UniversalIdentifier(acircuit.AgentID, acircuit.firstname, acircuit.lastname, acircuit.ServiceURLs["HomeURI"].ToString());
|
|
else
|
|
return acircuit.AgentID.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Produces a universal (HG) system-facing identifier given the information
|
|
/// </summary>
|
|
/// <param name="id">UUID of the user</param>
|
|
/// <param name="firstName">first name (e.g Test)</param>
|
|
/// <param name="lastName">last name (e.g. User)</param>
|
|
/// <param name="homeURI">homeURI (e.g. http://foo.com)</param>
|
|
/// <returns>a string of the form uuid[;homeURI[;first last]]</returns>
|
|
public static string UniversalIdentifier(UUID id, String firstName, String lastName, String homeURI)
|
|
{
|
|
string agentsURI = homeURI;
|
|
if (!agentsURI.EndsWith("/"))
|
|
agentsURI += "/";
|
|
|
|
// This is ugly, but there's no other way, given that the name is changed
|
|
// in the agent circuit data for foreigners
|
|
if (lastName.Contains("@"))
|
|
{
|
|
string[] parts = firstName.Split(new char[] { '.' });
|
|
if (parts.Length == 2)
|
|
return id.ToString() + ";" + agentsURI + ";" + parts[0] + " " + parts[1];
|
|
}
|
|
return id.ToString() + ";" + agentsURI + ";" + firstName + " " + lastName;
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// Produces a universal (HG) user-facing name given the information
|
|
/// </summary>
|
|
/// <param name="firstName"></param>
|
|
/// <param name="lastName"></param>
|
|
/// <param name="homeURI"></param>
|
|
/// <returns>string of the form first.last @foo.com or first last</returns>
|
|
public static string UniversalName(String firstName, String lastName, String homeURI)
|
|
{
|
|
Uri uri = null;
|
|
try
|
|
{
|
|
uri = new Uri(homeURI);
|
|
}
|
|
catch (UriFormatException)
|
|
{
|
|
return firstName + " " + lastName;
|
|
}
|
|
return firstName + "." + lastName + " " + "@" + uri.Authority;
|
|
}
|
|
#endregion
|
|
}
|
|
}
|