/Aurora/Framework/Utilities/Util.cs
C# | 3052 lines | 2363 code | 332 blank | 357 comment | 421 complexity | 19977b450cf6d5745361c032fee389e9 MD5 | raw file
- /*
- * Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the Aurora-Sim Project nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- using System;
- using System.Collections;
- using System.Collections.Generic;
- using System.Data;
- using System.Diagnostics;
- using System.Globalization;
- using System.IO;
- using System.IO.Compression;
- using System.Linq;
- using System.Net;
- using System.Net.NetworkInformation;
- using System.Net.Sockets;
- using System.Reflection;
- using System.Reflection.Emit;
- using System.Runtime.Serialization;
- using System.Runtime.Serialization.Formatters.Binary;
- using System.Security.Cryptography;
- using System.Text;
- using System.Text.RegularExpressions;
- using System.Threading;
- using System.Windows.Forms;
- using System.Xml;
- using Amib.Threading;
- using Nini.Config;
- using OpenMetaverse;
- using OpenMetaverse.StructuredData;
- using ProtoBuf;
- using ProtoBuf.Meta;
- using ReaderWriterLockSlim = System.Threading.ReaderWriterLockSlim;
-
- namespace Aurora.Framework
- {
- /// <summary>
- /// The method used by Util.FireAndForget for asynchronously firing events
- /// </summary>
- public enum FireAndForgetMethod
- {
- UnsafeQueueUserWorkItem,
- QueueUserWorkItem,
- BeginInvoke,
- SmartThreadPool,
- Thread
- }
-
- public enum RuntimeEnvironment
- {
- NET,
- WinMono,
- Mono
- }
-
- /// <summary>
- /// Miscellaneous utility functions
- /// </summary>
- public class Util
- {
- private static uint nextXferID = 5000;
- private static readonly Random randomClass = new Random();
- // Get a list of invalid file characters (OS dependent)
- private static readonly string regexInvalidFileChars = "[" + new String(Path.GetInvalidFileNameChars()) + "]";
- private static readonly string regexInvalidPathChars = "[" + new String(Path.GetInvalidPathChars()) + "]";
- private static readonly object XferLock = new object();
-
- /// <summary>
- /// Thread pool used for Util.FireAndForget if
- /// FireAndForgetMethod.SmartThreadPool is used
- /// </summary>
- private static SmartThreadPool m_ThreadPool;
- private static volatile bool m_threadPoolRunning;
-
- // 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.
- public static readonly DateTime UnixEpoch =
- DateTime.ParseExact("1970-01-01 00:00:00 +0", "yyyy-MM-dd hh:mm:ss z", DateTimeFormatInfo.InvariantInfo).
- ToUniversalTime();
-
- public static readonly Regex UUIDPattern
- = 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}$");
-
- public static FireAndForgetMethod FireAndForgetMethod = FireAndForgetMethod.SmartThreadPool;
-
- static Util()
- {
- RuntimeTypeModel.Default.Add(typeof(UUID), false)
- .SetSurrogate(typeof(UUIDSurrogate));
- RuntimeTypeModel.Default.Add(typeof(IPEndPoint), false)
- .SetSurrogate(typeof(IPEndPointSurrogate));
- RuntimeTypeModel.Default.Add(typeof(OSD), false)
- .SetSurrogate(typeof(OSDSurrogate));
- RuntimeTypeModel.Default.Add(typeof(OSDMap), false)
- .SetSurrogate(typeof(OSDMapSurrogate));
- RuntimeTypeModel.Default.Add(typeof(Vector3), false)
- .SetSurrogate(typeof(Vector3Surrogate));
- RuntimeTypeModel.Default.Add(typeof(Quaternion), false)
- .SetSurrogate(typeof(QuaternionSurrogate));
- RuntimeTypeModel.Default.Add(typeof(ParcelManager.ParcelAccessEntry), false)
- .SetSurrogate(typeof(ParcelAccessEntrySurrogate));
- RuntimeTypeModel.Default.Add(typeof(MediaEntry), false)
- .SetSurrogate(typeof(MediaEntrySurrogate));
- RuntimeTypeModel.Default.Add(typeof(System.Drawing.Color), false)
- .SetSurrogate(typeof(ColorSurrogate));
- }
-
- #region Protobuf helpers
-
- [ProtoContract]
- class UUIDSurrogate
- {
- [ProtoMember(1)]
- public string ID;
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator UUID(UUIDSurrogate value)
- {
- return UUID.Parse(value.ID);
- }
- public static implicit operator UUIDSurrogate(UUID value)
- {
- return new UUIDSurrogate
- {
- ID = value.ToString()
- };
- }
- }
- [ProtoContract]
- class Vector3Surrogate
- {
- [ProtoMember(1)]
- public float X;
- [ProtoMember(2)]
- public float Y;
- [ProtoMember(3)]
- public float Z;
-
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator Vector3(Vector3Surrogate value)
- {
- return new Vector3(value.X, value.Y, value.Z);
- }
- public static implicit operator Vector3Surrogate(Vector3 value)
- {
- return new Vector3Surrogate()
- {
- X = value.X,
- Y = value.Y,
- Z = value.Z
- };
- }
- }
- [ProtoContract]
- class QuaternionSurrogate
- {
- [ProtoMember(1)]
- public float X;
- [ProtoMember(2)]
- public float Y;
- [ProtoMember(3)]
- public float Z;
- [ProtoMember(4)]
- public float W;
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator Quaternion(QuaternionSurrogate value)
- {
- return new Quaternion(value.X, value.Y, value.Z, value.W);
- }
- public static implicit operator QuaternionSurrogate(Quaternion value)
- {
- return new QuaternionSurrogate()
- {
- X = value.X,
- Y = value.Y,
- Z = value.Z,
- W = value.W
- };
- }
- }
- [ProtoContract]
- class IPEndPointSurrogate
- {
- [ProtoMember(1)]
- public string IPAddr;
- [ProtoMember(2)]
- public int Port;
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator IPEndPoint(IPEndPointSurrogate value)
- {
- return value == null ? null : new IPEndPoint(IPAddress.Parse(value.IPAddr), value.Port);
- }
- public static implicit operator IPEndPointSurrogate(IPEndPoint value)
- {
- return value == null ? null : new IPEndPointSurrogate
- {
- IPAddr = value.Address.ToString(),
- Port = value.Port
- };
- }
- }
- [ProtoContract]
- class OSDSurrogate
- {
- [ProtoMember(1)]
- public string str;
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator OSD(OSDSurrogate value)
- {
- return value.str == "" ? null : OSDParser.DeserializeJson(value.str);
- }
- public static implicit operator OSDSurrogate(OSD value)
- {
- return new OSDSurrogate
- {
- str = value == null ? "" : OSDParser.SerializeJsonString(value)
- };
- }
- }
- [ProtoContract]
- class OSDMapSurrogate
- {
- [ProtoMember(1)]
- public string str;
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator OSDMap(OSDMapSurrogate value)
- {
- return value.str == "" ? null : (OSDMap)OSDParser.DeserializeJson(value.str);
- }
- public static implicit operator OSDMapSurrogate(OSDMap value)
- {
- return new OSDMapSurrogate
- {
- str = value == null ? "" : OSDParser.SerializeJsonString(value)
- };
- }
- }
- [ProtoContract]
- class ParcelAccessEntrySurrogate
- {
- [ProtoMember(1)]
- public UUID AgentID;
- [ProtoMember(2)]
- public AccessList Flags;
- [ProtoMember(3)]
- public DateTime Time;
-
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator ParcelManager.ParcelAccessEntry(ParcelAccessEntrySurrogate value)
- {
- return new ParcelManager.ParcelAccessEntry() { AgentID = value.AgentID, Flags = value.Flags, Time = value.Time };
- }
- public static implicit operator ParcelAccessEntrySurrogate(ParcelManager.ParcelAccessEntry value)
- {
- return new ParcelAccessEntrySurrogate
- {
- AgentID = value.AgentID,
- Flags = value.Flags,
- Time = value.Time
- };
- }
- }
- [ProtoContract]
- class MediaEntrySurrogate
- {
- [ProtoMember(1)]
- public OSD info;
-
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator MediaEntry(MediaEntrySurrogate value)
- {
- return value.info == null ? null : MediaEntry.FromOSD(value.info);
- }
- public static implicit operator MediaEntrySurrogate(MediaEntry value)
- {
- return new MediaEntrySurrogate
- {
- info = value == null ? null : value.GetOSD()
- };
- }
- }
- [ProtoContract]
- class ColorSurrogate
- {
- [ProtoMember(1)]
- public int A;
- [ProtoMember(2)]
- public int R;
- [ProtoMember(3)]
- public int G;
- [ProtoMember(4)]
- public int B;
-
- // protobuf-net wants an implicit or explicit operator between the types
- public static implicit operator System.Drawing.Color(ColorSurrogate value)
- {
- return System.Drawing.Color.FromArgb(value.A, value.R, value.G, value.B);
- }
- public static implicit operator ColorSurrogate(System.Drawing.Color value)
- {
- return new ColorSurrogate
- {
- A = value.A,
- R = value.R,
- G = value.G,
- B = value.B
- };
- }
- }
- #endregion
-
- public static string ConvertToString(List<string> list)
- {
- StringBuilder builder = new StringBuilder();
- foreach (string val in list)
- {
- builder.Append(val + ",");
- }
- return builder.ToString();
- }
-
- public static string ConvertToString(Dictionary<string, object> list)
- {
- StringBuilder builder = new StringBuilder();
- foreach (var val in list)
- {
- builder.Append(val.Key + "=" + val.Value.ToString() + ",");
- }
- return builder.ToString();
- }
-
- //wab - Added for debugging ease
- public static string ConvertToString(OSDMap values, string lineStart)
- {
- if (string.IsNullOrEmpty(lineStart)) lineStart = "\t";
- StringBuilder builder = new StringBuilder ();
- String[] keys = new String[values.Count];
- values.Keys.CopyTo (keys, 0);
- foreach (String key in keys) {
- Object val = values [key];
- if (val == null)
- builder.AppendFormat("{0}{1}=null\n", lineStart, key);
- else if (val is OSDMap)
- builder.AppendFormat("{0}{1}=...\n{2}", lineStart, key, ConvertToString((OSDMap)val, "\t\t"));
- else
- builder.AppendFormat("{0}{1}={2}\n", lineStart, key, val.ToString());
- }
- return builder.ToString();
- }
-
- public static List<string> ConvertToList(string listAsString)
- {
- //Do both , and " " so that it removes any annoying spaces in the string added by users
- List<string> value =
- new List<string>(listAsString.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries));
- return value;
- }
-
- public static Dictionary<string, string> ConvertToDictionary(string listAsString)
- {
- //Do both , and " " so that it removes any annoying spaces in the string added by users
- List<string> value =
- new List<string>(listAsString.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries));
- Dictionary<string, string> dict = new Dictionary<string, string>();
- foreach (var v in value)
- {
- var split = v.Split('=');
- dict.Add(split[0], split[1]);
- }
- return dict;
- }
-
- public static string BuildYMDDateString(DateTime time)
- {
- return time.Year + "-" + time.Month + "-" + time.Day;
- }
-
- /// <summary>
- /// Gets the name of the directory where the current running executable
- /// is located
- /// </summary>
- /// <returns>Filesystem path to the directory containing the current
- /// executable</returns>
- public static string ExecutingDirectory()
- {
- return Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
- }
-
- /// <summary>
- /// Copy data from one stream to another, leaving the read position of both streams at the beginning.
- /// </summary>
- /// <param name='inputStream'>
- /// Input stream. Must be seekable.
- /// </param>
- /// <exception cref='ArgumentException'>
- /// Thrown if the input stream is not seekable.
- /// </exception>
- public static Stream Copy(Stream inputStream)
- {
- if (!inputStream.CanSeek)
- throw new ArgumentException("Util.Copy(Stream inputStream) must receive an inputStream that can seek");
-
- const int readSize = 256;
- byte[] buffer = new byte[readSize];
- MemoryStream ms = new MemoryStream();
-
- int count = inputStream.Read(buffer, 0, readSize);
-
- while (count > 0)
- {
- ms.Write(buffer, 0, count);
- count = inputStream.Read(buffer, 0, readSize);
- }
-
- ms.Position = 0;
- inputStream.Position = 0;
-
- return ms;
- }
-
- /// <summary>
- /// Linear interpolates B<->C using percent A
- /// </summary>
- /// <param name = "a"></param>
- /// <param name = "b"></param>
- /// <param name = "c"></param>
- /// <returns></returns>
- public static double lerp(double a, double b, double c)
- {
- return (b * a) + (c * (1 - a));
- }
-
- /// <summary>
- /// Bilinear Interpolate, see Lerp but for 2D using 'percents' X & Y.
- /// Layout:
- /// A B
- /// C D
- /// A<->C = Y
- /// C<->D = X
- /// </summary>
- /// <param name = "x"></param>
- /// <param name = "y"></param>
- /// <param name = "a"></param>
- /// <param name = "b"></param>
- /// <param name = "c"></param>
- /// <param name = "d"></param>
- /// <returns></returns>
- public static double lerp2D(double x, double y, double a, double b, double c, double d)
- {
- return lerp(y, lerp(x, a, b), lerp(x, c, d));
- }
-
-
- public static Encoding UTF8 = Encoding.UTF8;
-
- /// <value>
- /// Well known UUID for the blank texture used in the Linden SL viewer version 1.20 (and hopefully onwards)
- /// </value>
- public static UUID BLANK_TEXTURE_UUID = new UUID("5748decc-f629-461c-9a36-a35a221fe21f");
-
- #region Vector Equations
-
- /// <summary>
- /// Get the distance between two 3d vectors
- /// </summary>
- /// <param name = "a">A 3d vector</param>
- /// <param name = "b">A 3d vector</param>
- /// <returns>The distance between the two vectors</returns>
- public static double GetDistanceTo(Vector3 a, Vector3 b)
- {
- float dx = a.X - b.X;
- float dy = a.Y - b.Y;
- float dz = a.Z - b.Z;
- return Math.Sqrt(dx * dx + dy * dy + dz * dz);
- }
-
- /// <summary>
- /// Get the distance between two 3d vectors (excluding Z)
- /// </summary>
- /// <param name = "a">A 3d vector</param>
- /// <param name = "b">A 3d vector</param>
- /// <returns>The distance between the two vectors</returns>
- public static double GetFlatDistanceTo(Vector3 a, Vector3 b)
- {
- float dx = a.X - b.X;
- float dy = a.Y - b.Y;
- return Math.Sqrt(dx * dx + dy * dy);
- }
-
- /// <summary>
- /// Returns true if the distance beween A and B is less than amount. Significantly faster than GetDistanceTo since it eliminates the Sqrt.
- /// </summary>
- /// <param name = "a"></param>
- /// <param name = "b"></param>
- /// <param name = "amount"></param>
- /// <returns></returns>
- public static bool DistanceLessThan(Vector3 a, Vector3 b, double amount)
- {
- float dx = a.X - b.X;
- float dy = a.Y - b.Y;
- float dz = a.Z - b.Z;
- return (dx * dx + dy * dy + dz * dz) < (amount * amount);
- }
-
- /// <summary>
- /// Get the magnitude of a 3d vector
- /// </summary>
- /// <param name = "a">A 3d vector</param>
- /// <returns>The magnitude of the vector</returns>
- public static double GetMagnitude(Vector3 a)
- {
- return Math.Sqrt((a.X * a.X) + (a.Y * a.Y) + (a.Z * a.Z));
- }
-
- /// <summary>
- /// Get a normalized form of a 3d vector
- /// The vector paramater cannot be <0,0,0>
- /// </summary>
- /// <param name = "a">A 3d vector</param>
- /// <returns>A new vector which is normalized form of the vector</returns>
- public static Vector3 GetNormalizedVector(Vector3 a)
- {
- if (IsZeroVector(a))
- throw new ArgumentException("Vector paramater cannot be a zero vector.");
-
- float Mag = (float)GetMagnitude(a);
- return new Vector3(a.X / Mag, a.Y / Mag, a.Z / Mag);
- }
-
- /// <summary>
- /// Returns if a vector is a zero vector (has all zero components)
- /// </summary>
- /// <returns></returns>
- public static bool IsZeroVector(Vector3 v)
- {
- if (v.X == 0 && v.Y == 0 && v.Z == 0)
- {
- return true;
- }
-
- return false;
- }
-
- # endregion
-
- public static Quaternion Axes2Rot(Vector3 fwd, Vector3 left, Vector3 up)
- {
- float s;
- float tr = (float)(fwd.X + left.Y + up.Z + 1.0);
-
- if (tr >= 1.0)
- {
- s = (float)(0.5 / Math.Sqrt(tr));
- return new Quaternion(
- (left.Z - up.Y) * s,
- (up.X - fwd.Z) * s,
- (fwd.Y - left.X) * s,
- (float)0.25 / s);
- }
- else
- {
- float max = (left.Y > up.Z) ? left.Y : up.Z;
-
- if (max < fwd.X)
- {
- s = (float)(Math.Sqrt(fwd.X - (left.Y + up.Z) + 1.0));
- float x = (float)(s * 0.5);
- s = (float)(0.5 / s);
- return new Quaternion(
- x,
- (fwd.Y + left.X) * s,
- (up.X + fwd.Z) * s,
- (left.Z - up.Y) * s);
- }
- else if (max == left.Y)
- {
- s = (float)(Math.Sqrt(left.Y - (up.Z + fwd.X) + 1.0));
- float y = (float)(s * 0.5);
- s = (float)(0.5 / s);
- return new Quaternion(
- (fwd.Y + left.X) * s,
- y,
- (left.Z + up.Y) * s,
- (up.X - fwd.Z) * s);
- }
- else
- {
- s = (float)(Math.Sqrt(up.Z - (fwd.X + left.Y) + 1.0));
- float z = (float)(s * 0.5);
- s = (float)(0.5 / s);
- return new Quaternion(
- (up.X + fwd.Z) * s,
- (left.Z + up.Y) * s,
- z,
- (fwd.Y - left.X) * s);
- }
- }
- }
-
- public static Random RandomClass
- {
- get { return randomClass; }
- }
-
- public static T Clamp<T>(T x, T min, T max)
- where T : IComparable<T>
- {
- return x.CompareTo(max) > 0
- ? max
- : x.CompareTo(min) < 0
- ? min
- : x;
- }
-
- public static uint GetNextXferID()
- {
- uint id = 0;
- lock (XferLock)
- {
- id = nextXferID;
- nextXferID++;
- }
- return id;
- }
-
- ///<summary>
- /// Debug utility function to convert unbroken strings of XML into something human readable for occasional debugging purposes.
- ///
- /// Please don't delete me even if I appear currently unused!
- ///</summary>
- ///<param name = "rawXml"></param>
- ///<returns></returns>
- public static string GetFormattedXml(string rawXml)
- {
- XmlDocument xd = new XmlDocument();
- xd.LoadXml(rawXml);
-
- StringBuilder sb = new StringBuilder();
- StringWriter sw = new StringWriter(sb);
-
- XmlTextWriter xtw = new XmlTextWriter(sw) { Formatting = Formatting.Indented };
-
- try
- {
- xd.WriteTo(xtw);
- }
- finally
- {
- xtw.Close();
- }
-
- return sb.ToString();
- }
-
- public static bool IsEnvironmentSupported(ref string reason)
- {
- // Must have .NET 2.0 (Generics / libsl)
- if (Environment.Version.Major < 2)
- {
- reason = ".NET 1.0/1.1 lacks components that are used by Aurora";
- return false;
- }
-
- // Windows 95/98/ME are unsupported
- if (Environment.OSVersion.Platform == PlatformID.Win32Windows ||
- Environment.OSVersion.Platform == PlatformID.Win32S ||
- Environment.OSVersion.Platform == PlatformID.WinCE)
- {
- reason = "Windows 95/98/ME will not run Aurora";
- return false;
- }
-
- // Windows 2000 / Pre-SP2 XP
- if (Environment.OSVersion.Platform == PlatformID.Win32NT &&
- Environment.OSVersion.Version.Major == 5 &&
- Environment.OSVersion.Version.Minor == 0)
- {
- reason = "Please update to Windows XP Service Pack 2 or Server 2003 with .NET 3.5 installed";
- return false;
- }
-
- if (Environment.OSVersion.Platform == PlatformID.Win32NT &&
- Environment.Version.Major < 4 &&
- Environment.Version.Build < 50727) //.net 3.5
- {
- reason = ".NET versions before 3.5 lack components that are used by Aurora";
- return false;
- }
-
- return true;
- }
-
- public static bool IsLinux
- {
- get
- {
- int p = (int)Environment.OSVersion.Platform;
- return (p == 4) || (p == 6) || (p == 128);
- }
- }
-
- public static int UnixTimeSinceEpoch()
- {
- return ToUnixTime(DateTime.UtcNow);
- }
-
- public static int ToUnixTime(DateTime stamp)
- {
- TimeSpan t = stamp.ToUniversalTime() - UnixEpoch;
- return (int)t.TotalSeconds;
- }
-
- public static DateTime ToDateTime(ulong seconds)
- {
- DateTime epoch = UnixEpoch;
- return epoch.AddSeconds(seconds);
- }
-
- public static DateTime ToDateTime(int seconds)
- {
- DateTime epoch = UnixEpoch;
- return epoch.AddSeconds(seconds);
- }
-
- /// <summary>
- /// Return an md5 hash of the given string
- /// </summary>
- /// <param name = "data"></param>
- /// <returns></returns>
- public static string Md5Hash(string data)
- {
- byte[] dataMd5 = ComputeMD5Hash(data);
- StringBuilder sb = new StringBuilder();
- foreach (byte t in dataMd5)
- sb.AppendFormat("{0:x2}", t);
- return sb.ToString();
- }
-
- private static byte[] ComputeMD5Hash(string data)
- {
- MD5 md5 = MD5.Create();
- return md5.ComputeHash(Encoding.Default.GetBytes(data));
- }
-
- /// <summary>
- /// Return an SHA1 hash of the given string
- /// </summary>
- /// <param name = "data"></param>
- /// <returns></returns>
- public static string SHA1Hash(string data)
- {
- byte[] hash = ComputeSHA1Hash(data);
- return BitConverter.ToString(hash).Replace("-", String.Empty);
- }
-
- private static byte[] ComputeSHA1Hash(string src)
- {
- SHA1CryptoServiceProvider SHA1 = new SHA1CryptoServiceProvider();
- return SHA1.ComputeHash(Encoding.Default.GetBytes(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));
- }
-
- // Inclusive, within range test (true if equal to the endpoints)
- public static bool InRange<T>(T x, T min, T max)
- where T : IComparable<T>
- {
- return x.CompareTo(max) <= 0 && x.CompareTo(min) >= 0;
- }
-
- // Clamp the maximum magnitude of a vector
- public static Vector3 ClampV(Vector3 x, float max)
- {
- Vector3 ret = x;
- float lenSq = x.LengthSquared();
- if (lenSq > (max * max))
- {
- x = x / x.Length() * max;
- }
- return x;
- }
-
- 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();
- #if (!ISWIN)
- bool printable = true;
- foreach (byte t in bytes)
- {
- if ((t < 0x20 || t > 0x7E) && t != 0x09 && t != 0x0D && t != 0x0A && t != 0x00)
- {
- printable = false;
- break;
- }
- }
- #else
- bool printable = bytes.All(t => (t >= 0x20 && t <= 0x7E) || t == 0x09 || t == 0x0D || t == 0x0A || t == 0x00);
- #endif
-
- if (printable)
- {
- if (fieldName.Length > 0)
- {
- output.Append(fieldName);
- output.Append(": ");
- }
-
- output.Append(CleanString(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++)
- {
- output.Append((i + j) < bytes.Length ? String.Format("{0:X2} ", bytes[i + j]) : " ");
- }
-
- 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>
- /// 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 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);
-
- Name = !String.IsNullOrEmpty(f.Extension) ? f.FullName.Substring(0, f.FullName.LastIndexOf('.')) : 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)
- {
- MainConsole.Instance.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)
- {
- MainConsole.Instance.Error(e.ToString());
- }
- finally
- {
- if (stream != null)
- {
- stream.Close();
- }
- }
-
- return ret;
- }
-
- public static void Compress7ZipFile(string path, string destination)
- {
- ProcessStartInfo p = new ProcessStartInfo();
- string pa = Path.GetDirectoryName(Assembly.GetAssembly(typeof(Util)).CodeBase);
- if (pa != null)
- {
- p.FileName = Path.Combine(pa, "7za.exe");
- p.Arguments = "a -y -tgzip \"" + destination + "\" \"" + path + "\" -mx=9";
- p.WindowStyle = ProcessWindowStyle.Hidden;
- Process x = Process.Start(p);
- x.WaitForExit();
- }
- }
-
- public static void UnCompress7ZipFile(string path, string destination)
- {
- ProcessStartInfo p = new ProcessStartInfo();
- string pa = Path.GetDirectoryName(Assembly.GetAssembly(typeof(Util)).CodeBase);
- if (pa != null)
- {
- p.FileName = Path.Combine(pa, "7za.exe");
- p.Arguments = "e -y \"" + path + "\" -o\"" + destination + "\" -mx=9";
- p.WindowStyle = ProcessWindowStyle.Hidden;
- Process x = Process.Start(p);
- x.WaitForExit();
- }
- }
-
- public static string Compress(string text)
- {
- byte[] buffer = 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 byte[] CompressBytes(byte[] buffer)
- {
- 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 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 UTF8.GetString(buffer);
- }
- }
-
- public static Stream DecompressStream(Stream compressedStream)
- {
- byte[] compressedBuffer = ReadToEnd(compressedStream);
- 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 new MemoryStream(buffer);
- }
- }
-
- public static byte[] ReadToEnd(System.IO.Stream stream)
- {
- byte[] readBuffer = new byte[4096];
-
- int totalBytesRead = 0;
- int bytesRead;
-
- while ((bytesRead = stream.Read(readBuffer, totalBytesRead, readBuffer.Length - totalBytesRead)) > 0)
- {
- totalBytesRead += bytesRead;
-
- if (totalBytesRead == readBuffer.Length)
- {
- int nextByte = stream.ReadByte();
- if (nextByte != -1)
- {
- byte[] temp = new byte[readBuffer.Length * 2];
- Buffer.BlockCopy(readBuffer, 0, temp, 0, readBuffer.Length);
- Buffer.SetByte(temp, totalBytesRead, (byte)nextByte);
- readBuffer = temp;
- totalBytesRead++;
- }
- }
- }
-
- byte[] buffer = readBuffer;
- if (readBuffer.Length != totalBytesRead)
- {
- buffer = new byte[totalBytesRead];
- Buffer.BlockCopy(readBuffer, 0, buffer, 0, totalBytesRead);
- }
- return buffer;
- }
-
- /// <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) | 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;
-
- os = Environment.OSVersion.Platform != PlatformID.Unix ? Environment.OSVersion.ToString() : 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
- {
- ru = Type.GetType("Mono.Runtime") != null ? "Win/Mono" : "Win/.NET";
- }
-
- return ru;
- }
-
- public static RuntimeEnvironment GetRuntimeEnvironment()
- {
- if (Environment.OSVersion.Platform == PlatformID.Unix)
- return RuntimeEnvironment.Mono;
- else if (Environment.OSVersion.Platform == PlatformID.MacOSX)
- return RuntimeEnvironment.Mono;
- else
- {
- return Type.GetType("Mono.Runtime") != null ? RuntimeEnvironment.WinMono :
- RuntimeEnvironment.NET;
- }
- }
-
- /// <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 (String))
- {
- fieldInfo.SetValue(settingsClass, config.Get(fieldInfo.Name, (string) fieldInfo.GetValue(settingsClass)));
- }
- else if (fieldInfo.FieldType == typeof (Boolean))
- {
- fieldInfo.SetValue(settingsClass, config.GetBoolean(fieldInfo.Name, (bool) fieldInfo.GetValue(settingsClass)));
- }
- else if (fieldInfo.FieldType == typeof (Int32))
- {
- fieldInfo.SetValue(settingsClass, config.GetInt(fieldInfo.Name, (int) fieldInfo.GetValue(settingsClass)));
- }
- else if (fieldInfo.FieldType == typeof (Single))
- {
- fieldInfo.SetValue(settingsClass, config.GetFloat(fieldInfo.Name, (float) fieldInfo.GetValue(settingsClass)));
- }
- else if (fieldInfo.FieldType == typeof (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 (String))
- {
- propInfo.SetValue(settingsClass, config.Get(propInfo.Name, (string) propInfo.GetValue(settingsClass, null)), null);
- }
- else if (propInfo.PropertyType == typeof (Boolean))
- {
- propInfo.SetValue(settingsClass, config.GetBoolean(propInfo.Name, (bool) propInfo.GetValue(settingsClass, null)), null);
- }
- else if (propInfo.PropertyType == typeof (Int32))
- {
- propInfo.SetValue(settingsClass, config.GetInt(propInfo.Name, (int) propInfo.GetValue(settingsClass, null)), null);
- }
- else if (propInfo.PropertyType == typeof (Single))
- {
- propInfo.SetValue(settingsClass, config.GetFloat(propInfo.Name, (float) propInfo.GetValue(settingsClass, null)), null);
- }
- if (propInfo.PropertyType == typeof (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)
- {
- UTF8Encoding encoder = new UTF8Encoding();
- Decoder utf8Decode = encoder.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);
-
- //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)
- {
- uint retVal = 0;
- switch (maturity)
- {
- case 13: //PG
- retVal = 0;
- break;
- case 21: //Mature
- retVal = 1;
- break;
- case 42: // Adult
- retVal = 2;
- break;
- }
-
- return retVal;
- }
-
- /// <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 = 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?
- MainConsole.Instance.Debug(("[UTILS]: Got OSD of unexpected type " + buffer.Type.ToString()));
- return null;
- }
- }
- catch (Exception ex)
- {
- MainConsole.Instance.Debug("[UTILS]: exception on GetOSDMap " + ex);
- return null;
- }
- }
-
- public static string[] Glob(string path)
- {
- string vol = String.Empty;
-
- if (Path.VolumeSeparatorChar != Path.DirectorySeparatorChar)
- {
- string[] vcomps = path.Split(new[] { Path.VolumeSeparatorChar }, 2, StringSplitOptions.RemoveEmptyEntries);
-
- if (vcomps.Length > 1)
- {
- path = vcomps[1];
- vol = vcomps[0];
- }
- }
-
- string[] comps = path.Split(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar },
- StringSplitOptions.RemoveEmptyEntries);
-
- // Glob
-
- path = vol;
- if (vol != String.Empty)
- path += new String(new[] { Path.VolumeSeparatorChar, Path.DirectorySeparatorChar });
- else
- path = new String(new[] { 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)
- {
- #if (!ISWIN)
- foreach (string dir in dirs)
- addpaths.Add(Path.Combine(path, dir));
- #else
- addpaths.AddRange(dirs.Select(dir => Path.Combine(path, dir)));
- #endif
- }
-
- // Only add files if that is the last path component
- if (compIndex == comps.Length - 1)
- {
- string[] files = Directory.GetFiles(p, c);
- found.AddRange(files);
- }
- }
- paths = addpaths;
- }
-
- return found.ToArray();
- }
-
- public static string[] GetSubFiles(string path)
- {
- string[] comps = path.Split(new[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar },
- StringSplitOptions.None);
- List<string> paths = new List<string>();
- string endFind = comps[comps.Length - 1];
- string baseDir = "";
- for (int i = 0; i < comps.Length - 1; i++)
- {
- if (i == comps.Length - 2)
- baseDir += comps[i];
- else
- baseDir += comps[i] + Path.DirectorySeparatorChar;
- }
- paths.Add(baseDir);
-
- #if (!ISWIN)
- List<string> list = new List<string>();
- foreach (string p in paths)
- foreach (string file in Directory.GetFiles(p, endFind))
- list.Add(file);
- return list.ToArray();
- #else
- return paths.SelectMany(p => Directory.GetFiles(p, endFind)).ToArray();
- #endif
- }
-
- public static byte[] StringToBytes256(string str, params object[] args)
- {
- return StringToBytes256(string.Format(str, args));
- }
-
- public static byte[] StringToBytes1024(string str, params object[] args)
- {
- return StringToBytes1024(string.Format(str, args));
- }
-
- 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(ref data, 256);
- data[255] = 0;
- }
-
- return data;
- }
-
- 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(ref data, 1024);
- data[1023] = 0;
- }
-
- return data;
- }
-
- #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 readonly 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(WaitCallback callback)
- {
- callback.BeginInvoke(null, EndFireAndForget, callback);
- }
-
- public void FireAndForget(WaitCallback callback, object obj)
- {
- callback.BeginInvoke(obj, EndFireAndForget, callback);
- }
-
- private static void EndFireAndForget(IAsyncResult ar)
- {
- WaitCallback callback = (WaitCallback)ar.AsyncState;
-
- try
- {
- callback.EndInvoke(ar);
- }
- catch (Exception ex)
- {
- MainConsole.Instance.Error("[UTIL]: Asynchronous method threw an exception: " + ex, ex);
- }
-
- ar.AsyncWaitHandle.Close();
- }
- }
-
- public static void FireAndForget(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_threadPoolRunning = true;
- m_ThreadPool = new SmartThreadPool(2000, maxThreads, 2);
- }
-
- public static void CloseThreadPool()
- {
- if (FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool &&
- m_ThreadPool != null)
- {
- //This stops more tasks and threads from being started
- m_threadPoolRunning = false;
- m_ThreadPool.WaitForIdle(60 * 1000);
- //Wait for the threads to be idle, but don't wait for more than a minute
- //Destroy the threadpool now
- m_ThreadPool.Dispose();
- m_ThreadPool = null;
- }
- }
-
- 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:
- if (m_ThreadPool == null || !m_threadPoolRunning)
- return 0;
- return m_ThreadPool.MaxThreads - m_ThreadPool.InUseThreads;
- case FireAndForgetMethod.Thread:
- return MAX_SYSTEM_THREADS - Process.GetCurrentProcess().Threads.Count;
- default:
- throw new NotImplementedException();
- }
- }
-
- public static void FireAndForget(WaitCallback callback, object obj)
- {
- switch (FireAndForgetMethod)
- {
- case FireAndForgetMethod.UnsafeQueueUserWorkItem:
- ThreadPool.UnsafeQueueUserWorkItem(callback, obj);
- break;
- case FireAndForgetMethod.QueueUserWorkItem:
- ThreadPool.QueueUserWorkItem(callback, obj);
- break;
- case FireAndForgetMethod.BeginInvoke:
- FireAndForgetWrapper wrapper = FireAndForgetWrapper.Instance;
- wrapper.FireAndForget(callback, obj);
- break;
- case FireAndForgetMethod.SmartThreadPool:
- if (m_ThreadPool == null)
- InitThreadPool(15);
- if (m_threadPoolRunning) //Check if the thread pool should be running
- m_ThreadPool.QueueWorkItem(SmartThreadPoolCallback, new[] { callback, obj });
- break;
- case FireAndForgetMethod.Thread:
- Thread thread = new Thread(delegate(object o)
- {
- Culture.SetCurrentCulture();
- callback(o);
- });
- thread.Start(obj);
- break;
- default:
- throw new NotImplementedException();
- }
- }
-
- 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;
- }
-
- public 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>
- /// <returns>subtraction of passed prevValue from current Environment.TickCount</returns>
- public static Int32 EnvironmentTickCountSubtract(Int32 prevValue)
- {
- Int32 diff = EnvironmentTickCount() - 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. Adds the passed value (previously fetched by
- /// 'EnvironmentTickCount()') and accounts for any wrapping.
- /// </summary>
- /// <returns>addition of passed prevValue from current Environment.TickCount</returns>
- public static Int32 EnvironmentTickCountAdd(Int32 ms)
- {
- Int32 add = EnvironmentTickCount() + ms;
- return (add >= EnvironmentTickCountMask) ? add - EnvironmentTickCountMask : add;
- }
-
- /// <summary>
- /// Prints the call stack at any given point. Useful for debugging.
- /// </summary>
- public static void PrintCallStack()
- {
- StackTrace stackTrace = new StackTrace(); // get call stack
- StackFrame[] stackFrames = stackTrace.GetFrames(); // get method calls (frames)
-
- // write call stack method names
- foreach (StackFrame stackFrame in stackFrames)
- {
- MainConsole.Instance.Debug(stackFrame.GetMethod().DeclaringType + "." + stackFrame.GetMethod().Name);
- // write method name
- }
- }
-
- public static OSDMap DictionaryToOSD(Dictionary<string, object> sendData)
- {
- OSDMap map = new OSDMap();
- foreach (KeyValuePair<string, object> kvp in sendData)
- {
- if (kvp.Value is Dictionary<string, object>)
- {
- map[kvp.Key] = DictionaryToOSD(kvp.Value as Dictionary<string, object>);
- }
- else
- {
- OSD v = OSD.FromObject(kvp.Value);
- OSD val = kvp.Value as OSD;
- map[kvp.Key] = v.Type == OSDType.Unknown ? val : v;
- }
- }
- return map;
- }
-
- public static Dictionary<string, object> OSDToDictionary(OSDMap map)
- {
- Dictionary<string, object> retVal = new Dictionary<string, object>();
- foreach (string key in map.Keys)
- {
- retVal.Add(key, OSDToObject(map[key]));
- }
- return retVal;
- }
-
- public static OSD MakeOSD(object o, Type t)
- {
- if (o is OSD)
- return (OSD)o;
- if (o is System.Drawing.Image)
- return OSDBinary.FromBinary(ImageToByteArray(o as System.Drawing.Image));
- OSD oo;
- if ((oo = OSD.FromObject(o)).Type != OSDType.Unknown)
- return (OSD)oo;
- if (o is IDataTransferable)
- return ((IDataTransferable)o).ToOSD();
- Type[] genericArgs = t.GetGenericArguments();
- if (Util.IsInstanceOfGenericType(typeof(List<>), t))
- {
- OSDArray array = new OSDArray();
- System.Collections.IList collection = (System.Collections.IList)o;
- foreach (object item in collection)
- {
- array.Add(MakeOSD(item, genericArgs[0]));
- }
- return array;
- }
- else if (Util.IsInstanceOfGenericType(typeof(Dictionary<,>), t))
- {
- OSDMap array = new OSDMap();
- System.Collections.IDictionary collection = (System.Collections.IDictionary)o;
- foreach (System.Collections.DictionaryEntry item in collection)
- {
- array.Add(MakeOSD(item.Key, genericArgs[0]), MakeOSD(item.Value, genericArgs[1]));
- }
- return array;
- }
- if (t.BaseType == typeof(Enum))
- return OSD.FromString(o.ToString());
- return null;
- }
-
- public static byte[] ImageToByteArray(System.Drawing.Image imageIn)
- {
- MemoryStream ms = new MemoryStream();
- imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
- return ms.ToArray();
- }
-
- public static System.Drawing.Image ByteArrayToImage(byte[] byteArrayIn)
- {
- MemoryStream ms = new MemoryStream(byteArrayIn);
- System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms);
- return returnImage;
- }
-
- private static object CreateInstance(Type type)
- {
- if (type == typeof(string))
- return string.Empty;
- else
- return Activator.CreateInstance(type);
- }
-
- public static object OSDToObject(OSD o)
- {
- return OSDToObject(o, o.GetType());
- }
-
- public static object OSDToObject(OSD o, Type PossibleArrayType)
- {
- if (o.Type == OSDType.UUID || PossibleArrayType == typeof(UUID))
- return o.AsUUID();
- if (PossibleArrayType == typeof(string) || PossibleArrayType == typeof(OSDString) || PossibleArrayType.BaseType == typeof(Enum))
- {
- if (PossibleArrayType.BaseType == typeof(Enum))
- return Enum.Parse(PossibleArrayType, o.AsString());
-
- return o.AsString();
- }
- if (o.Type == OSDType.Array && PossibleArrayType == typeof(System.Drawing.Image))
- return ByteArrayToImage(o.AsBinary());
-
- if (o.Type == OSDType.Integer && PossibleArrayType == typeof(byte))
- return (byte)o.AsInteger();
- if (o.Type == OSDType.Integer || PossibleArrayType == typeof(int))
- return o.AsInteger();
- if (o.Type == OSDType.Binary || PossibleArrayType == typeof(byte[]))
- return o.AsBinary();
- if (o.Type == OSDType.Boolean || PossibleArrayType == typeof(bool))
- return o.AsBoolean();
- if (PossibleArrayType == typeof(Color4))
- return o.AsColor4();
- if (o.Type == OSDType.Date || PossibleArrayType == typeof(DateTime))
- return o.AsDate();
- if (PossibleArrayType == typeof(long))
- return o.AsLong();
- if (PossibleArrayType == typeof(Quaternion))
- return o.AsQuaternion();
- if (PossibleArrayType == typeof(float))
- return (float)o.AsReal();
- if (o.Type == OSDType.Real || PossibleArrayType == typeof(double))
- return o.AsReal();
- if (PossibleArrayType == typeof(uint))
- return o.AsUInteger();
- if (PossibleArrayType == typeof(ulong))
- return o.AsULong();
- if (o.Type == OSDType.URI || PossibleArrayType == typeof(Uri))
- return o.AsUri();
- if (PossibleArrayType == typeof(Vector2))
- return o.AsVector2();
- if (PossibleArrayType == typeof(Vector3))
- return o.AsVector3();
- if (PossibleArrayType == typeof(Vector3d))
- return o.AsVector3d();
- if (PossibleArrayType == typeof(Vector4))
- return o.AsVector4();
- if (PossibleArrayType == typeof(OSDMap))
- return (OSDMap)o;
- if (PossibleArrayType == typeof(OSDArray))
- return (OSDArray)o;
- if (o.Type == OSDType.Array)
- {
- OSDArray array = (OSDArray)o;
- var possArrayType = Activator.CreateInstance(PossibleArrayType);
- IList list = (IList)possArrayType;
- Type t = PossibleArrayType.GetGenericArguments()[0];
- if (t == typeof(UInt32))
- return o.AsUInteger();
-
- foreach (OSD oo in array)
- {
- list.Add(OSDToObject(oo, t));
- }
- return list;
- }
-
- var possType = Activator.CreateInstance(PossibleArrayType);
- if (possType is IDataTransferable)
- {
- IDataTransferable data = (IDataTransferable)possType;
- data.FromOSD((OSDMap)o);
- return data;
- }
- else if (o.Type == OSDType.Map)
- {
- OSDMap array = (OSDMap)o;
- var possArrayTypeB = Activator.CreateInstance(PossibleArrayType);
- var list = (IDictionary)possArrayTypeB;
- Type t = PossibleArrayType.GetGenericArguments()[1];
- Type tt = PossibleArrayType.GetGenericArguments()[0];
- foreach (KeyValuePair<string, OSD> oo in array)
- {
- list.Add(OSDToObject(oo.Key, tt), OSDToObject(oo.Value, t));
- }
- return list;
- }
- return null;
- }
-
- public static List<T> MakeList<T>(T itemOftype)
- {
- List<T> newList = new List<T>();
- return newList;
- }
-
- public static Dictionary<A, B> MakeDictionary<A, B>(A itemOftypeA, B itemOfTypeB)
- {
- Dictionary<A, B> newList = new Dictionary<A, B>();
- return newList;
- }
-
- public static void UlongToInts(ulong regionHandle, out int x, out int y)
- {
- uint xx, yy;
- Utils.LongToUInts(regionHandle, out xx, out yy);
- x = (int)xx;
- y = (int)yy;
- }
-
- public static ulong IntsToUlong(int x, int y)
- {
- return Utils.UIntsToLong((uint)x, (uint)y);
- }
-
- public static string CombineParams(string[] commandParams, int pos)
- {
- string result = string.Empty;
- for (int i = pos; i < commandParams.Length; i++)
- {
- result += commandParams[i] + " ";
- }
- result = result.Remove(result.Length - 1, 1); //Remove the trailing space
- return result;
- }
-
- public static string CombineParams(string[] commandParams, int pos, int endPos)
- {
- string result = string.Empty;
- for (int i = pos; i < endPos; i++)
- {
- result += commandParams[i] + " ";
- }
-
- return result.Substring(0, result.Length - 1);
- }
-
- public static string BasePathCombine(string p)
- {
- if (p == "")
- return Application.StartupPath;
- return Path.Combine(Application.StartupPath, p);
- }
-
- public static void GetReaderLock(ReaderWriterLockSlim l)
- {
- int i = 0;
- while (i < 10) //Only try 10 times... 10s is way too much
- {
- try
- {
- l.TryEnterReadLock(100);
- //Got it
- return;
- }
- catch (ApplicationException)
- {
- // The reader lock request timed out. Try again
- }
- }
- throw new ApplicationException("Could not retrieve read lock");
- }
-
- public static void ReleaseReaderLock(ReaderWriterLockSlim l)
- {
- l.ExitReadLock();
- }
-
- public static void GetWriterLock(ReaderWriterLockSlim l)
- {
- int i = 0;
- while (i < 10) //Only try 10 times... 10s is way too much
- {
- try
- {
- l.TryEnterWriteLock(100);
- //Got it
- return;
- }
- catch (ApplicationException)
- {
- // The reader lock request timed out. Try again
- }
- }
- throw new ApplicationException("Could not retrieve write lock");
- }
-
- public static void ReleaseWriterLock(ReaderWriterLockSlim l)
- {
- l.ExitWriteLock();
- }
-
- public static sbyte CheckMeshType(sbyte p)
- {
- if (p == (sbyte)AssetType.Mesh)
- return (sbyte)AssetType.Texture;
- return p;
- }
-
- public static bool IsInstanceOfGenericType(Type genericType, object instance)
- {
- Type type = instance.GetType();
- return IsInstanceOfGenericType(genericType, type);
- }
-
- public static bool IsInstanceOfGenericType(Type genericType, Type type)
- {
- while (type != null)
- {
- if (type.IsGenericType &&
- type.GetGenericTypeDefinition() == genericType)
- {
- return true;
- }
- type = type.BaseType;
- }
- return false;
- }
-
- // http://social.msdn.microsoft.com/forums/en-US/csharpgeneral/thread/68f7ca38-5cd1-411f-b8d4-e4f7a688bc03
- // By: A Million Lemmings
- public static string ConvertDecString(int dvalue)
- {
- string CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-
- string retVal = string.Empty;
-
- double value = Convert.ToDouble(dvalue);
-
- do
- {
- double remainder = value - (26 * Math.Truncate(value / 26));
-
- retVal = retVal + CHARS.Substring((int)remainder, 1);
-
- value = Math.Truncate(value / 26);
- } while (value > 0);
-
-
- return retVal;
- }
- }
-
- public static class StringUtils
- {
- public static string MySqlEscape(this string usString)
- {
- return MySqlEscape(usString, 0);
- }
-
- /// <summary>
- /// Because Escaping the sql might cause it to go over the max length
- /// DO NOT USE THIS ON JSON STRINGS!!! IT WILL BREAK THE DESERIALIZATION!!!
- /// </summary>
- /// <param name="usString"></param>
- /// <param name="maxLength"></param>
- /// <returns></returns>
- public static string MySqlEscape(this string usString, int maxLength)
- {
- if (usString == null)
- {
- return null;
- }
- // SQL Encoding for MySQL Recommended here:
- // http://au.php.net/manual/en/function.mysql-real-escape-string.php
- // it escapes \r, \n, \x00, \x1a, baskslash, single quotes, and double quotes
- string returnvalue = Regex.Replace(usString, @"[\r\n\x00\x1a\\'""]", @"\$0");
- if ((maxLength != 0) && (returnvalue.Length > maxLength))
- returnvalue = returnvalue.Substring(0, maxLength);
- return returnvalue;
- }
-
- /// From http://www.c-sharpcorner.com/UploadFile/mahesh/RandomNumber11232005010428AM/RandomNumber.aspx
- /// <summary>
- /// Generates a random string with the given length
- /// </summary>
- /// <param name = "size">Size of the string</param>
- /// <param name = "lowerCase">If true, generate lowercase string</param>
- /// <returns>Random string</returns>
- public static string RandomString(int size, bool lowerCase)
- {
- string builder = "t";
- int off = lowerCase ? 'a' : 'A';
- int j;
- for (int i = 0; i < size; i++)
- {
- j = Util.RandomClass.Next(25);
- builder += (char)(j + off);
- }
-
- return builder;
- }
-
- public static string[] AlphanumericSort(List<string> list)
- {
- string[] nList = list.ToArray();
- Array.Sort(nList, new AlphanumComparatorFast());
- return nList;
- }
-
- public class AlphanumComparatorFast : IComparer
- {
- public int Compare(object x, object y)
- {
- string s1 = x as string;
- if (s1 == null)
- {
- return 0;
- }
- string s2 = y as string;
- if (s2 == null)
- {
- return 0;
- }
-
- int len1 = s1.Length;
- int len2 = s2.Length;
- int marker1 = 0;
- int marker2 = 0;
-
- // Walk through two the strings with two markers.
- while (marker1 < len1 && marker2 < len2)
- {
- char ch1 = s1[marker1];
- char ch2 = s2[marker2];
-
- // Some buffers we can build up characters in for each chunk.
- char[] space1 = new char[len1];
- int loc1 = 0;
- char[] space2 = new char[len2];
- int loc2 = 0;
-
- // Walk through all following characters that are digits or
- // characters in BOTH strings starting at the appropriate marker.
- // Collect char arrays.
- do
- {
- space1[loc1++] = ch1;
- marker1++;
-
- if (marker1 < len1)
- {
- ch1 = s1[marker1];
- }
- else
- {
- break;
- }
- } while (char.IsDigit(ch1) == char.IsDigit(space1[0]));
-
- do
- {
- space2[loc2++] = ch2;
- marker2++;
-
- if (marker2 < len2)
- {
- ch2 = s2[marker2];
- }
- else
- {
- break;
- }
- } while (char.IsDigit(ch2) == char.IsDigit(space2[0]));
-
- // If we have collected numbers, compare them numerically.
- // Otherwise, if we have strings, compare them alphabetically.
- string str1 = new string(space1);
- string str2 = new string(space2);
-
- int result;
-
- if (char.IsDigit(space1[0]) && char.IsDigit(space2[0]))
- {
- int thisNumericChunk = int.Parse(str1);
- int thatNumericChunk = int.Parse(str2);
- result = thisNumericChunk.CompareTo(thatNumericChunk);
- }
- else
- {
- result = str1.CompareTo(str2);
- }
-
- if (result != 0)
- {
- return result;
- }
- }
- return len1 - len2;
- }
- }
-
- public static List<string> SizeSort(List<string> functionKeys, bool smallestToLargest)
- {
- functionKeys.Sort((a, b) =>
- {
- return a.Length.CompareTo(b.Length);
- });
- if (!smallestToLargest)
- functionKeys.Reverse();//Flip the order then
- return functionKeys;
- }
- }
-
- public class NetworkUtils
- {
- private static bool m_noInternetConnection;
- private static int m_nextInternetConnectionCheck;
- //private static bool useLocalhostLoopback=false;
- private static readonly ExpiringCache<string, IPAddress> m_dnsCache = new ExpiringCache<string, IPAddress>();
-
- public static IPEndPoint ResolveEndPoint(string hostName, int port)
- {
- IPEndPoint endpoint = null;
- // Old one defaults to IPv6
- //return new IPEndPoint(Dns.GetHostAddresses(m_externalHostName)[0], m_internalEndPoint.Port);
-
- IPAddress ia = null;
- // If it is already an IP, don't resolve it - just return directly
- if (IPAddress.TryParse(hostName, out ia))
- {
- endpoint = new IPEndPoint(ia, port);
- return endpoint;
- }
-
- try
- {
- if (IPAddress.TryParse(hostName.Split(':')[0], out ia))
- {
- endpoint = new IPEndPoint(ia, port);
- return endpoint;
- }
- }
- catch
- {
- }
- // Reset for next check
- ia = null;
- try
- {
- if (CheckInternetConnection())
- {
- foreach (IPAddress Adr in Dns.GetHostAddresses(hostName))
- {
- if (ia == null)
- ia = Adr;
-
- if (Adr.AddressFamily == AddressFamily.InterNetwork)
- {
- ia = Adr;
- InternetSuccess();
- break;
- }
- }
- }
- }
- catch (SocketException e)
- {
- InternetFailure();
- throw new Exception(
- "Unable to resolve local hostname " + hostName + " innerException of type '" +
- e + "' attached to this exception", e);
- }
- if (ia != null)
- endpoint = new IPEndPoint(ia, port);
- return endpoint;
- }
-
- public static bool CheckInternetConnection()
- {
- if (m_noInternetConnection)
- {
- if (Util.EnvironmentTickCount() > m_nextInternetConnectionCheck)
- return true; //Try again
-
- return false;
- }
- return true; //No issues
- }
-
- public static void InternetSuccess()
- {
- m_noInternetConnection = false;
- }
-
- public static void InternetFailure()
- {
- m_nextInternetConnectionCheck = Util.EnvironmentTickCountAdd(5 * 60 * 1000); /*5 mins*/
- m_noInternetConnection = true;
- }
-
- /// <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[] { ',' });
- if (parts.Length > 0)
- {
- try
- {
- return new IPEndPoint(IPAddress.Parse(parts[0]), 0);
- }
- catch (Exception e)
- {
- MainConsole.Instance.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();
- if (headers.ContainsKey("Host") && headers["Host"] != null)
- return headers["Host"].ToString().Split(':')[0];
- }
- catch (Exception e)
- {
- MainConsole.Instance.WarnFormat("[UTIL]: exception in GetCallerIP: {0}", e.Message);
- }
- }
- return string.Empty;
- }
-
- /// <summary>
- /// Attempts to resolve the loopback issue, but only works if this is run on the same network as the iPAddress
- /// </summary>
- /// <param name = "iPAddress"></param>
- /// <param name = "clientIP"></param>
- /// <returns></returns>
- public static IPAddress ResolveAddressForClient(IPAddress iPAddress, IPEndPoint clientIP)
- {
- /*if (iPAddress == null)
- return clientIP.Address;
- if (iPAddress.Equals(clientIP.Address))
- {
- if (useLocalhostLoopback)
- return IPAddress.Loopback;
- if (iPAddress == IPAddress.Loopback)
- return iPAddress; //Don't send something else if it is already on loopback
- if (CheckInternetConnection())
- {
- #pragma warning disable 618
- //The 'bad' way, only works for things on the same machine...
- try
- {
- string hostName = Dns.GetHostName();
- IPHostEntry ipEntry = Dns.GetHostByName(hostName);
- #pragma warning restore 618
- IPAddress[] addr = ipEntry.AddressList;
- return addr[0]; //Loopback around! They are on the same connection
- }
- catch
- {
- InternetFailure(); //Something went wrong
- }
- }
- }
- return iPAddress;*/
- return iPAddress;
- }
-
- public static bool IsLanIP(IPAddress address)
- {
- var interfaces = NetworkInterface.GetAllNetworkInterfaces();
- foreach (var iface in interfaces)
- {
- var properties = iface.GetIPProperties();
- foreach (var ifAddr in properties.UnicastAddresses)
- {
- if (ifAddr.IPv4Mask != null &&
- ifAddr.Address.AddressFamily == AddressFamily.InterNetwork &&
- CheckMask(ifAddr.Address, ifAddr.IPv4Mask, address))
- return true;
- }
- }
- return false;
- }
-
- private static bool CheckMask(IPAddress address, IPAddress mask, IPAddress target)
- {
- if (mask == null)
- return false;
-
- var ba = address.GetAddressBytes();
- var bm = mask.GetAddressBytes();
- var bb = target.GetAddressBytes();
-
- if (ba.Length != bm.Length || bm.Length != bb.Length)
- return false;
-
- for (var i = 0; i < ba.Length; i++)
- {
- int m = bm[i];
-
- int a = ba[i] & m;
- int b = bb[i] & m;
-
- if (a != b)
- return false;
- }
-
- return true;
- }
-
- public static IPEndPoint ResolveAddressForClient(IPEndPoint iPAddress, IPEndPoint clientIP)
- {
- iPAddress.Address = ResolveAddressForClient(iPAddress.Address, clientIP);
- return iPAddress;
- }
-
- /// <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)
- {
- dnsAddress = dnsAddress.Replace("http://", "").Replace("https://", "");
- if (dnsAddress.EndsWith("/"))
- dnsAddress = dnsAddress.Remove(dnsAddress.Length - 1);
- if (dnsAddress.Contains(":"))
- dnsAddress = dnsAddress.Split(':')[0];
- IPAddress ipa;
- if (m_dnsCache.TryGetValue(dnsAddress, out ipa))
- return ipa;
- // Is it already a valid IP? No need to look it up.
- if (IPAddress.TryParse(dnsAddress, out ipa))
- {
- m_dnsCache.Add(dnsAddress, ipa, 30 * 60 /*30mins*/);
- return ipa;
- }
- try
- {
- if (IPAddress.TryParse(dnsAddress.Split(':')[0], out ipa))
- {
- m_dnsCache.Add(dnsAddress, ipa, 30 * 60 /*30mins*/);
- return ipa;
- }
- }
- catch
- {
- }
- IPAddress[] hosts = null;
-
- // Not an IP, lookup required
- try
- {
- if (CheckInternetConnection())
- {
- hosts = Dns.GetHostEntry(dnsAddress).AddressList;
- if (hosts != null)
- InternetSuccess();
- else
- InternetFailure();
- }
- }
- catch (Exception e)
- {
- MainConsole.Instance.WarnFormat("[UTIL]: An error occurred while resolving host name {0}, {1}", dnsAddress, e);
-
- InternetFailure();
- // Still going to throw the exception on for now, since this was what was happening in the first place
- throw e;
- }
-
- if (hosts != null)
- {
- #if (!ISWIN)
- foreach (IPAddress host in hosts)
- {
- if (host.AddressFamily == AddressFamily.InterNetwork)
- {
- m_dnsCache.Add(dnsAddress, host, 30*60 /*30mins*/);
- return host;
- }
- }
- #else
- foreach (IPAddress host in hosts.Where(host => host.AddressFamily == AddressFamily.InterNetwork))
- {
- m_dnsCache.Add(dnsAddress, host, 30 * 60 /*30mins*/);
- return host;
- }
- #endif
-
- if (hosts.Length > 0)
- {
- m_dnsCache.Add(dnsAddress, hosts[0], 30 * 60 /*30mins*/);
- 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
- {
- if (CheckInternetConnection())
- {
- try
- {
- IPAddress[] loopback = Dns.GetHostAddresses("localhost");
- IPAddress localhost = loopback[0];
-
- InternetSuccess();
- return localhost;
- }
- catch
- {
- InternetFailure();
- }
- }
- }
-
- #if (!ISWIN)
- foreach (IPAddress host in iplist)
- {
- if (!IPAddress.IsLoopback(host) && host.AddressFamily == AddressFamily.InterNetwork)
- {
- return host;
- }
- }
- #else
- foreach (IPAddress host in iplist.Where(host => !IPAddress.IsLoopback(host) && host.AddressFamily == AddressFamily.InterNetwork))
- {
- return host;
- }
- #endif
-
- if (iplist.Length > 0)
- {
- #if (!ISWIN)
- foreach (IPAddress host in iplist)
- {
- if (host.AddressFamily == AddressFamily.InterNetwork)
- {
- return host;
- }
- }
- #else
- foreach (IPAddress host in iplist.Where(host => host.AddressFamily == AddressFamily.InterNetwork))
- {
- return host;
- }
- #endif
- // Well all else failed...
- return iplist[0];
- }
-
- return null;
- }
-
- #region Nested type: IPAddressRange
-
- public class IPAddressRange
- {
- private readonly AddressFamily addressFamily;
- private readonly byte[] lowerBytes;
- private readonly byte[] upperBytes;
-
- public IPAddressRange(IPAddress lower, IPAddress upper)
- {
- // Assert that lower.AddressFamily == upper.AddressFamily
-
- this.addressFamily = lower.AddressFamily;
- this.lowerBytes = lower.GetAddressBytes();
- this.upperBytes = upper.GetAddressBytes();
- }
-
- public bool IsInRange(IPAddress address)
- {
- if (address.AddressFamily != addressFamily)
- {
- return false;
- }
-
- byte[] addressBytes = address.GetAddressBytes();
-
- bool lowerBoundary = true, upperBoundary = true;
-
- for (int i = 0;
- i < this.lowerBytes.Length &&
- (lowerBoundary || upperBoundary);
- i++)
- {
- if ((lowerBoundary && addressBytes[i] < lowerBytes[i]) ||
- (upperBoundary && addressBytes[i] > upperBytes[i]))
- {
- return false;
- }
-
- lowerBoundary &= (addressBytes[i] == lowerBytes[i]);
- upperBoundary &= (addressBytes[i] == upperBytes[i]);
- }
-
- return true;
- }
- }
-
- #endregion
- }
-
- public static class Extensions
- {
- public static List<T> ConvertAll<T>(this OSDArray array, Converter<OSD, T> converter)
- {
- List<OSD> list = new List<OSD>();
- foreach (OSD o in array)
- {
- list.Add(o);
- }
- return list.ConvertAll<T>(converter);
- }
-
- public static Dictionary<string, T> ConvertMap<T>(this OSDMap array, Converter<OSD, T> converter)
- {
- Dictionary<string, T> map = new Dictionary<string, T>();
- foreach (KeyValuePair<string, OSD> o in array)
- {
- map.Add(o.Key, converter(o.Value));
- }
- return map;
- }
-
- public static OSDArray ToOSDArray<T>(this List<T> array)
- {
- OSDArray list = new OSDArray();
- foreach (object o in array)
- {
- OSD osd = Util.MakeOSD(o, o.GetType());
- if (osd != null)
- list.Add(osd);
- }
- return list;
- }
-
- public static OSDMap ToOSDMap<A,B>(this Dictionary<A, B> array)
- {
- OSDMap list = new OSDMap();
- foreach (KeyValuePair<A, B> o in array)
- {
- OSD osd = Util.MakeOSD(o.Value, o.Value.GetType());
- if (osd != null)
- list.Add(o.Key.ToString(), osd);
- }
- return list;
- }
-
- /// <summary>
- /// Comes from http://www.codeproject.com/script/Articles/ViewDownloads.aspx?aid=14593
- /// </summary>
- /// <param name="method"></param>
- /// <param name="parameters"></param>
- /// <param name="invokeClass"></param>
- /// <param name="invokeParameters"></param>
- /// <returns></returns>
- public static object FastInvoke(this MethodInfo method, ParameterInfo[] parameters, object invokeClass, object[] invokeParameters)
- {
- DynamicMethod dynamicMethod = new DynamicMethod(string.Empty,
- typeof(object), new Type[] { typeof(object),
- typeof(object[]) },
- method.DeclaringType.Module);
- ILGenerator il = dynamicMethod.GetILGenerator();
- Type[] paramTypes = new Type[parameters.Length];
- for (int i = 0; i < paramTypes.Length; i++)
- {
- paramTypes[i] = parameters[i].ParameterType;
- }
- LocalBuilder[] locals = new LocalBuilder[paramTypes.Length];
- for (int i = 0; i < paramTypes.Length; i++)
- {
- locals[i] = il.DeclareLocal(paramTypes[i]);
- }
- for (int i = 0; i < paramTypes.Length; i++)
- {
- il.Emit(OpCodes.Ldarg_1);
- EmitFastInt(il, i);
- il.Emit(OpCodes.Ldelem_Ref);
- EmitCastToReference(il, paramTypes[i]);
- il.Emit(OpCodes.Stloc, locals[i]);
- }
- il.Emit(OpCodes.Ldarg_0);
- for (int i = 0; i < paramTypes.Length; i++)
- {
- il.Emit(OpCodes.Ldloc, locals[i]);
- }
- il.EmitCall(OpCodes.Call, method, null);
- if (method.ReturnType == typeof(void))
- il.Emit(OpCodes.Ldnull);
- else
- EmitBoxIfNeeded(il, method.ReturnType);
- il.Emit(OpCodes.Ret);
- return dynamicMethod.Invoke(null, new object[2] {invokeClass, invokeParameters });
- /*FastInvokeHandler invoder =
- (FastInvokeHandler)dynamicMethod.CreateDelegate(
- typeof(FastInvokeHandler));
- return invoder;*/
- }
-
- private static void EmitCastToReference(ILGenerator il, System.Type type)
- {
- if (type.IsValueType)
- {
- il.Emit(OpCodes.Unbox_Any, type);
- }
- else
- {
- il.Emit(OpCodes.Castclass, type);
- }
- }
-
- private static void EmitBoxIfNeeded(ILGenerator il, System.Type type)
- {
- if (type.IsValueType)
- {
- il.Emit(OpCodes.Box, type);
- }
- }
-
- private static void EmitFastInt(ILGenerator il, int value)
- {
- switch (value)
- {
- case -1:
- il.Emit(OpCodes.Ldc_I4_M1);
- return;
- case 0:
- il.Emit(OpCodes.Ldc_I4_0);
- return;
- case 1:
- il.Emit(OpCodes.Ldc_I4_1);
- return;
- case 2:
- il.Emit(OpCodes.Ldc_I4_2);
- return;
- case 3:
- il.Emit(OpCodes.Ldc_I4_3);
- return;
- case 4:
- il.Emit(OpCodes.Ldc_I4_4);
- return;
- case 5:
- il.Emit(OpCodes.Ldc_I4_5);
- return;
- case 6:
- il.Emit(OpCodes.Ldc_I4_6);
- return;
- case 7:
- il.Emit(OpCodes.Ldc_I4_7);
- return;
- case 8:
- il.Emit(OpCodes.Ldc_I4_8);
- return;
- }
-
- if (value > -129 && value < 128)
- {
- il.Emit(OpCodes.Ldc_I4_S, (SByte)value);
- }
- else
- {
- il.Emit(OpCodes.Ldc_I4, value);
- }
- }
- }
-
- public class AllScopeIDImpl : IDataTransferable
- {
- public UUID ScopeID = UUID.Zero;
- public List<UUID> AllScopeIDs
- {
- get
- {
- List<UUID> ids = new List<UUID>();
- if (!ids.Contains(ScopeID))
- ids.Add(ScopeID);
- return ids;
- }
- set
- {
- }
- }
-
- public static List<T> CheckScopeIDs<T>(List<UUID> scopeIDs, List<T> list) where T : AllScopeIDImpl
- {
- if (scopeIDs == null || scopeIDs.Count == 0 || scopeIDs.Contains(UUID.Zero))
- return list;
- return new List<T>(list.Where(r => scopeIDs.Any(s => r.AllScopeIDs.Contains(s)) || r.AllScopeIDs.Contains(UUID.Zero)));
- }
-
- public static T CheckScopeIDs<T>(List<UUID> scopeIDs, T l) where T : AllScopeIDImpl
- {
- if (l == null || scopeIDs == null || scopeIDs.Count == 0 || scopeIDs.Contains(UUID.Zero))
- return l;
- return (scopeIDs.Any(s => l.AllScopeIDs.Contains(s)) || l.AllScopeIDs.Contains(UUID.Zero)) ? l : null;
- }
- }
- }