1008 lines
35 KiB
C#
1008 lines
35 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 OpenSim 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.Generic;
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using System.Data;
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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.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 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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namespace OpenSim.Framework
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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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// 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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public static readonly Regex UUIDPattern
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= new Regex("^[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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/// <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 unbroken strings of XML into something human readable for occasional debugging purposes.
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///
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/// Please don't delete me even if I appear currently unused!
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/// </summary>
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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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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="pass"></param>
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/// <returns></returns>
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public static string Md5Hash(string pass)
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{
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MD5 md5 = MD5CryptoServiceProvider.Create();
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byte[] dataMd5 = md5.ComputeHash(Encoding.Default.GetBytes(pass));
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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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/// <summary>
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/// Return an SHA1 hash of the given string
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/// </summary>
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/// <param name="src"></param>
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/// <returns></returns>
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public static string SHA1Hash(string src)
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{
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SHA1CryptoServiceProvider SHA1 = new SHA1CryptoServiceProvider();
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return BitConverter.ToString(SHA1.ComputeHash(Encoding.Default.GetBytes(src))).Replace("-", String.Empty);
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}
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public static int fast_distance2d(int x, int y)
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{
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x = Math.Abs(x);
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y = Math.Abs(y);
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int min = Math.Min(x, y);
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return (x + y - (min >> 1) - (min >> 2) + (min >> 4));
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}
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public static bool IsOutsideView(uint oldx, uint newx, uint oldy, uint newy)
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{
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// Eventually this will be a function of the draw distance / camera position too.
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return (((int)Math.Abs((int)(oldx - newx)) > 1) || ((int)Math.Abs((int)(oldy - newy)) > 1));
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}
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public static string FieldToString(byte[] bytes)
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{
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return FieldToString(bytes, String.Empty);
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}
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/// <summary>
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/// Convert a variable length field (byte array) to a string, with a
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/// field name prepended to each line of the output
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/// </summary>
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/// <remarks>If the byte array has unprintable characters in it, a
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/// hex dump will be put in the string instead</remarks>
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/// <param name="bytes">The byte array to convert to a string</param>
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/// <param name="fieldName">A field name to prepend to each line of output</param>
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/// <returns>An ASCII string or a string containing a hex dump, minus
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/// the null terminator</returns>
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public static string FieldToString(byte[] bytes, string fieldName)
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{
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// Check for a common case
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if (bytes.Length == 0) return String.Empty;
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StringBuilder output = new StringBuilder();
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bool printable = true;
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for (int i = 0; i < bytes.Length; ++i)
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{
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// Check if there are any unprintable characters in the array
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if ((bytes[i] < 0x20 || bytes[i] > 0x7E) && bytes[i] != 0x09
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&& bytes[i] != 0x0D && bytes[i] != 0x0A && bytes[i] != 0x00)
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{
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printable = false;
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break;
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}
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}
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if (printable)
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{
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if (fieldName.Length > 0)
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{
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output.Append(fieldName);
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output.Append(": ");
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}
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output.Append(CleanString(UTF8Encoding.UTF8.GetString(bytes, 0, bytes.Length - 1)));
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}
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else
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{
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for (int i = 0; i < bytes.Length; i += 16)
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{
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if (i != 0)
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output.Append(Environment.NewLine);
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if (fieldName.Length > 0)
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{
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output.Append(fieldName);
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output.Append(": ");
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}
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for (int j = 0; j < 16; j++)
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{
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if ((i + j) < bytes.Length)
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output.Append(String.Format("{0:X2} ", bytes[i + j]));
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else
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output.Append(" ");
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}
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for (int j = 0; j < 16 && (i + j) < bytes.Length; j++)
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{
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if (bytes[i + j] >= 0x20 && bytes[i + j] < 0x7E)
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output.Append((char) bytes[i + j]);
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else
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output.Append(".");
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}
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}
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}
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return output.ToString();
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}
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/// <summary>
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/// Converts a URL to a IPAddress
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/// </summary>
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/// <param name="url">URL Standard Format</param>
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/// <returns>A resolved IP Address</returns>
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public static IPAddress GetHostFromURL(string url)
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{
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return GetHostFromDNS(url.Split(new char[] {'/', ':'})[3]);
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}
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/// <summary>
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/// Returns a IP address from a specified DNS, favouring IPv4 addresses.
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/// </summary>
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/// <param name="dnsAddress">DNS Hostname</param>
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/// <returns>An IP address, or null</returns>
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public static IPAddress GetHostFromDNS(string dnsAddress)
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{
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// Is it already a valid IP? No need to look it up.
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IPAddress ipa;
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if (IPAddress.TryParse(dnsAddress, out ipa))
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return ipa;
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IPAddress[] hosts = null;
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// Not an IP, lookup required
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try
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{
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hosts = Dns.GetHostEntry(dnsAddress).AddressList;
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[UTIL]: An error occurred while resolving {0}, {1}", dnsAddress, e);
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// Still going to throw the exception on for now, since this was what was happening in the first place
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throw e;
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}
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foreach (IPAddress host in hosts)
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{
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if (host.AddressFamily == AddressFamily.InterNetwork)
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{
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return host;
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}
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}
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if (hosts.Length > 0)
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return hosts[0];
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return null;
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}
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public static IPAddress GetLocalHost()
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{
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string dnsAddress = "localhost";
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IPAddress[] hosts = Dns.GetHostEntry(dnsAddress).AddressList;
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foreach (IPAddress host in hosts)
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{
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if (!IPAddress.IsLoopback(host) && host.AddressFamily == AddressFamily.InterNetwork)
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{
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return host;
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}
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}
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if (hosts.Length > 0)
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return hosts[0];
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return null;
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}
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/// <summary>
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/// Removes all invalid path chars (OS dependent)
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/// </summary>
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/// <param name="path">path</param>
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/// <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 = Encoding.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;
|
|
// MemoryStream outStream = new MemoryStream();
|
|
|
|
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 Encoding.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>
|
|
/// 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;
|
|
}
|
|
|
|
/// <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, System.Convert.ToUInt32(config.Get(fieldInfo.Name, ((uint)fieldInfo.GetValue(settingsClass)).ToString())));
|
|
}
|
|
else if (fieldInfo.FieldType == typeof(System.Uri))
|
|
{
|
|
fieldInfo.SetValue(settingsClass, new Uri(config.Get(fieldInfo.Name, (string)fieldInfo.GetValue(settingsClass))));
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
else if (propInfo.PropertyType == typeof(System.UInt32))
|
|
{
|
|
propInfo.SetValue(settingsClass, System.Convert.ToUInt32(config.Get(propInfo.Name, ((uint)propInfo.GetValue(settingsClass, null)).ToString())), null);
|
|
}
|
|
else if (propInfo.PropertyType == typeof(System.Uri))
|
|
{
|
|
propInfo.SetValue(settingsClass, new Uri(config.Get(propInfo.Name, (string)propInfo.GetValue(settingsClass, null))), null);
|
|
}
|
|
}
|
|
}
|
|
|
|
return settingsClass;
|
|
}
|
|
}
|
|
}
|