using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Net.Sockets;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security;
using System.Security.Authentication;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Security.Permissions;
using System.Security.Principal;
using System.Text;
using System.Threading;
using System.Timers;
using BepInEx;
using BepInEx.Logging;
using FistVR;
using H3Status.Patches;
using H3Status.Server;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using SimpleJSON;
using UnityEngine;
using WebSocketSharp;
using WebSocketSharp.Net;
using WebSocketSharp.Net.WebSockets;
using WebSocketSharp.Server;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: IgnoresAccessChecksTo("Assembly-CSharp")]
[assembly: AssemblyCompany("H3Status")]
[assembly: AssemblyConfiguration("Debug")]
[assembly: AssemblyFileVersion("0.1.1.0")]
[assembly: AssemblyInformationalVersion("0.1.1+d55dd4b85b0a9e215b7256e089cd0aedb98d6f65")]
[assembly: AssemblyProduct("H3Status")]
[assembly: AssemblyTitle("H3Status")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.1.1.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace xyz.bacur.plugins
{
	public static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "H3Status";

		public const string PLUGIN_NAME = "H3Status";

		public const string PLUGIN_VERSION = "0.1.1";
	}
}
namespace WebSocketSharp
{
	public enum ByteOrder
	{
		Little,
		Big
	}
	public class CloseEventArgs : EventArgs
	{
		private PayloadData _payloadData;

		private bool _wasClean;

		public ushort Code => _payloadData.Code;

		public string Reason => _payloadData.Reason;

		public bool WasClean => _wasClean;

		internal CloseEventArgs(PayloadData payloadData, bool clean)
		{
			_payloadData = payloadData;
			_wasClean = clean;
		}
	}
	public enum CloseStatusCode : ushort
	{
		Normal = 1000,
		Away = 1001,
		ProtocolError = 1002,
		UnsupportedData = 1003,
		Undefined = 1004,
		NoStatus = 1005,
		Abnormal = 1006,
		InvalidData = 1007,
		PolicyViolation = 1008,
		TooBig = 1009,
		MandatoryExtension = 1010,
		ServerError = 1011,
		TlsHandshakeFailure = 1015
	}
	public enum CompressionMethod : byte
	{
		None,
		Deflate
	}
	public class ErrorEventArgs : EventArgs
	{
		private Exception _exception;

		private string _message;

		public Exception Exception => _exception;

		public string Message => _message;

		internal ErrorEventArgs(string message)
			: this(message, null)
		{
		}

		internal ErrorEventArgs(string message, Exception exception)
		{
			_message = message;
			_exception = exception;
		}
	}
	public static class Ext
	{
		[CompilerGenerated]
		private sealed class <SplitHeaderValue>d__55 : IEnumerable<string>, IEnumerable, IEnumerator<string>, IDisposable, IEnumerator
		{
			private int <>1__state;

			private string <>2__current;

			private int <>l__initialThreadId;

			private string value;

			public string <>3__value;

			private char[] separators;

			public char[] <>3__separators;

			private int <len>5__1;

			private int <end>5__2;

			private StringBuilder <buff>5__3;

			private bool <escaped>5__4;

			private bool <quoted>5__5;

			private int <i>5__6;

			private char <c>5__7;

			string IEnumerator<string>.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			object IEnumerator.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			[DebuggerHidden]
			public <SplitHeaderValue>d__55(int <>1__state)
			{
				this.<>1__state = <>1__state;
				<>l__initialThreadId = Thread.CurrentThread.ManagedThreadId;
			}

			[DebuggerHidden]
			void IDisposable.Dispose()
			{
				<buff>5__3 = null;
				<>1__state = -2;
			}

			private bool MoveNext()
			{
				switch (<>1__state)
				{
				default:
					return false;
				case 0:
					<>1__state = -1;
					<len>5__1 = value.Length;
					<end>5__2 = <len>5__1 - 1;
					<buff>5__3 = new StringBuilder(32);
					<escaped>5__4 = false;
					<quoted>5__5 = false;
					<i>5__6 = 0;
					goto IL_01a9;
				case 1:
					<>1__state = -1;
					<buff>5__3.Length = 0;
					goto IL_0197;
				case 2:
					{
						<>1__state = -1;
						return false;
					}
					IL_01a9:
					if (<i>5__6 <= <end>5__2)
					{
						<c>5__7 = value[<i>5__6];
						<buff>5__3.Append(<c>5__7);
						if (<c>5__7 == '"')
						{
							if (<escaped>5__4)
							{
								<escaped>5__4 = false;
							}
							else
							{
								<quoted>5__5 = !<quoted>5__5;
							}
						}
						else if (<c>5__7 == '\\')
						{
							if (<i>5__6 == <end>5__2)
							{
								goto IL_01c3;
							}
							if (value[<i>5__6 + 1] == '"')
							{
								<escaped>5__4 = true;
							}
						}
						else if (Array.IndexOf(separators, <c>5__7) > -1 && !<quoted>5__5)
						{
							<buff>5__3.Length--;
							<>2__current = <buff>5__3.ToString();
							<>1__state = 1;
							return true;
						}
						goto IL_0197;
					}
					goto IL_01c3;
					IL_0197:
					<i>5__6++;
					goto IL_01a9;
					IL_01c3:
					<>2__current = <buff>5__3.ToString();
					<>1__state = 2;
					return true;
				}
			}

			bool IEnumerator.MoveNext()
			{
				//ILSpy generated this explicit interface implementation from .override directive in MoveNext
				return this.MoveNext();
			}

			[DebuggerHidden]
			void IEnumerator.Reset()
			{
				throw new NotSupportedException();
			}

			[DebuggerHidden]
			IEnumerator<string> IEnumerable<string>.GetEnumerator()
			{
				<SplitHeaderValue>d__55 <SplitHeaderValue>d__;
				if (<>1__state == -2 && <>l__initialThreadId == Thread.CurrentThread.ManagedThreadId)
				{
					<>1__state = 0;
					<SplitHeaderValue>d__ = this;
				}
				else
				{
					<SplitHeaderValue>d__ = new <SplitHeaderValue>d__55(0);
				}
				<SplitHeaderValue>d__.value = <>3__value;
				<SplitHeaderValue>d__.separators = <>3__separators;
				return <SplitHeaderValue>d__;
			}

			[DebuggerHidden]
			IEnumerator IEnumerable.GetEnumerator()
			{
				return ((IEnumerable<string>)this).GetEnumerator();
			}
		}

		[CompilerGenerated]
		private sealed class <TrimEach>d__68 : IEnumerable<string>, IEnumerable, IEnumerator<string>, IDisposable, IEnumerator
		{
			private int <>1__state;

			private string <>2__current;

			private int <>l__initialThreadId;

			private IEnumerable<string> source;

			public IEnumerable<string> <>3__source;

			private IEnumerator<string> <>s__1;

			private string <elm>5__2;

			string IEnumerator<string>.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			object IEnumerator.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			[DebuggerHidden]
			public <TrimEach>d__68(int <>1__state)
			{
				this.<>1__state = <>1__state;
				<>l__initialThreadId = Thread.CurrentThread.ManagedThreadId;
			}

			[DebuggerHidden]
			void IDisposable.Dispose()
			{
				int num = <>1__state;
				if (num == -3 || num == 1)
				{
					try
					{
					}
					finally
					{
						<>m__Finally1();
					}
				}
				<>s__1 = null;
				<elm>5__2 = null;
				<>1__state = -2;
			}

			private bool MoveNext()
			{
				try
				{
					switch (<>1__state)
					{
					default:
						return false;
					case 0:
						<>1__state = -1;
						<>s__1 = source.GetEnumerator();
						<>1__state = -3;
						break;
					case 1:
						<>1__state = -3;
						<elm>5__2 = null;
						break;
					}
					if (<>s__1.MoveNext())
					{
						<elm>5__2 = <>s__1.Current;
						<>2__current = <elm>5__2.Trim();
						<>1__state = 1;
						return true;
					}
					<>m__Finally1();
					<>s__1 = null;
					return false;
				}
				catch
				{
					//try-fault
					((IDisposable)this).Dispose();
					throw;
				}
			}

			bool IEnumerator.MoveNext()
			{
				//ILSpy generated this explicit interface implementation from .override directive in MoveNext
				return this.MoveNext();
			}

			private void <>m__Finally1()
			{
				<>1__state = -1;
				if (<>s__1 != null)
				{
					<>s__1.Dispose();
				}
			}

			[DebuggerHidden]
			void IEnumerator.Reset()
			{
				throw new NotSupportedException();
			}

			[DebuggerHidden]
			IEnumerator<string> IEnumerable<string>.GetEnumerator()
			{
				<TrimEach>d__68 <TrimEach>d__;
				if (<>1__state == -2 && <>l__initialThreadId == Thread.CurrentThread.ManagedThreadId)
				{
					<>1__state = 0;
					<TrimEach>d__ = this;
				}
				else
				{
					<TrimEach>d__ = new <TrimEach>d__68(0);
				}
				<TrimEach>d__.source = <>3__source;
				return <TrimEach>d__;
			}

			[DebuggerHidden]
			IEnumerator IEnumerable.GetEnumerator()
			{
				return ((IEnumerable<string>)this).GetEnumerator();
			}
		}

		private static readonly byte[] _last = new byte[1];

		private static readonly int _maxRetry = 5;

		private const string _tspecials = "()<>@,;:\\\"/[]?={} \t";

		private static byte[] compress(this byte[] data)
		{
			if (data.LongLength == 0)
			{
				return data;
			}
			using MemoryStream stream = new MemoryStream(data);
			return stream.compressToArray();
		}

		private static MemoryStream compress(this Stream stream)
		{
			MemoryStream memoryStream = new MemoryStream();
			if (stream.Length == 0)
			{
				return memoryStream;
			}
			stream.Position = 0L;
			CompressionMode mode = CompressionMode.Compress;
			using DeflateStream deflateStream = new DeflateStream(memoryStream, mode, leaveOpen: true);
			CopyTo(stream, deflateStream, 1024);
			deflateStream.Close();
			memoryStream.Write(_last, 0, 1);
			memoryStream.Position = 0L;
			return memoryStream;
		}

		private static byte[] compressToArray(this Stream stream)
		{
			using MemoryStream memoryStream = stream.compress();
			memoryStream.Close();
			return memoryStream.ToArray();
		}

		private static byte[] decompress(this byte[] data)
		{
			if (data.LongLength == 0)
			{
				return data;
			}
			using MemoryStream stream = new MemoryStream(data);
			return stream.decompressToArray();
		}

		private static MemoryStream decompress(this Stream stream)
		{
			MemoryStream memoryStream = new MemoryStream();
			if (stream.Length == 0)
			{
				return memoryStream;
			}
			stream.Position = 0L;
			CompressionMode mode = CompressionMode.Decompress;
			using DeflateStream sourceStream = new DeflateStream(stream, mode, leaveOpen: true);
			CopyTo(sourceStream, memoryStream, 1024);
			memoryStream.Position = 0L;
			return memoryStream;
		}

		private static byte[] decompressToArray(this Stream stream)
		{
			using MemoryStream memoryStream = stream.decompress();
			memoryStream.Close();
			return memoryStream.ToArray();
		}

		private static bool isPredefinedScheme(this string value)
		{
			switch (value[0])
			{
			case 'h':
				return value == "http" || value == "https";
			case 'w':
				return value == "ws" || value == "wss";
			case 'f':
				return value == "file" || value == "ftp";
			case 'g':
				return value == "gopher";
			case 'm':
				return value == "mailto";
			case 'n':
			{
				char c = value[1];
				return (c != 'e') ? (value == "nntp") : (value == "news" || value == "net.pipe" || value == "net.tcp");
			}
			default:
				return false;
			}
		}

		internal static byte[] Append(this ushort code, string reason)
		{
			byte[] array = code.ToByteArray(ByteOrder.Big);
			if (reason == null || reason.Length == 0)
			{
				return array;
			}
			List<byte> list = new List<byte>(array);
			byte[] bytes = Encoding.UTF8.GetBytes(reason);
			list.AddRange(bytes);
			return list.ToArray();
		}

		internal static byte[] Compress(this byte[] data, CompressionMethod method)
		{
			return (method == CompressionMethod.Deflate) ? data.compress() : data;
		}

		internal static Stream Compress(this Stream stream, CompressionMethod method)
		{
			return (method == CompressionMethod.Deflate) ? stream.compress() : stream;
		}

		internal static bool Contains(this string value, params char[] anyOf)
		{
			return anyOf != null && anyOf.Length != 0 && value.IndexOfAny(anyOf) > -1;
		}

		internal static bool Contains(this NameValueCollection collection, string name)
		{
			return collection[name] != null;
		}

		internal static bool Contains(this NameValueCollection collection, string name, string value, StringComparison comparisonTypeForValue)
		{
			string text = collection[name];
			if (text == null)
			{
				return false;
			}
			string[] array = text.Split(new char[1] { ',' });
			foreach (string text2 in array)
			{
				if (text2.Trim().Equals(value, comparisonTypeForValue))
				{
					return true;
				}
			}
			return false;
		}

		internal static bool Contains<T>(this IEnumerable<T> source, Func<T, bool> condition)
		{
			foreach (T item in source)
			{
				if (condition(item))
				{
					return true;
				}
			}
			return false;
		}

		internal static bool ContainsTwice(this string[] values)
		{
			int len = values.Length;
			int end = len - 1;
			Func<int, bool> seek = null;
			seek = delegate(int idx)
			{
				if (idx == end)
				{
					return false;
				}
				string text = values[idx];
				for (int i = idx + 1; i < len; i++)
				{
					if (values[i] == text)
					{
						return true;
					}
				}
				return seek(++idx);
			};
			return seek(0);
		}

		internal static T[] Copy<T>(this T[] sourceArray, int length)
		{
			T[] array = new T[length];
			Array.Copy(sourceArray, 0, array, 0, length);
			return array;
		}

		internal static T[] Copy<T>(this T[] sourceArray, long length)
		{
			T[] array = new T[length];
			Array.Copy(sourceArray, 0L, array, 0L, length);
			return array;
		}

		internal static void CopyTo(this Stream sourceStream, Stream destinationStream, int bufferLength)
		{
			byte[] buffer = new byte[bufferLength];
			while (true)
			{
				int num = sourceStream.Read(buffer, 0, bufferLength);
				if (num <= 0)
				{
					break;
				}
				destinationStream.Write(buffer, 0, num);
			}
		}

		internal static void CopyToAsync(this Stream sourceStream, Stream destinationStream, int bufferLength, Action completed, Action<Exception> error)
		{
			byte[] buff = new byte[bufferLength];
			AsyncCallback callback = null;
			callback = delegate(IAsyncResult ar)
			{
				try
				{
					int num = sourceStream.EndRead(ar);
					if (num <= 0)
					{
						if (completed != null)
						{
							completed();
						}
					}
					else
					{
						destinationStream.Write(buff, 0, num);
						sourceStream.BeginRead(buff, 0, bufferLength, callback, null);
					}
				}
				catch (Exception obj2)
				{
					if (error != null)
					{
						error(obj2);
					}
				}
			};
			try
			{
				sourceStream.BeginRead(buff, 0, bufferLength, callback, null);
			}
			catch (Exception obj)
			{
				if (error != null)
				{
					error(obj);
				}
			}
		}

		internal static byte[] Decompress(this byte[] data, CompressionMethod method)
		{
			return (method == CompressionMethod.Deflate) ? data.decompress() : data;
		}

		internal static Stream Decompress(this Stream stream, CompressionMethod method)
		{
			return (method == CompressionMethod.Deflate) ? stream.decompress() : stream;
		}

		internal static byte[] DecompressToArray(this Stream stream, CompressionMethod method)
		{
			return (method == CompressionMethod.Deflate) ? stream.decompressToArray() : stream.ToByteArray();
		}

		internal static void Emit(this EventHandler eventHandler, object sender, EventArgs e)
		{
			eventHandler?.Invoke(sender, e);
		}

		internal static void Emit<TEventArgs>(this EventHandler<TEventArgs> eventHandler, object sender, TEventArgs e) where TEventArgs : EventArgs
		{
			eventHandler?.Invoke(sender, e);
		}

		internal static string GetAbsolutePath(this Uri uri)
		{
			if (uri.IsAbsoluteUri)
			{
				return uri.AbsolutePath;
			}
			string originalString = uri.OriginalString;
			if (originalString[0] != '/')
			{
				return null;
			}
			int num = originalString.IndexOfAny(new char[2] { '?', '#' });
			return (num > 0) ? originalString.Substring(0, num) : originalString;
		}

		internal static WebSocketSharp.Net.CookieCollection GetCookies(this NameValueCollection headers, bool response)
		{
			string name = (response ? "Set-Cookie" : "Cookie");
			string text = headers[name];
			return (text != null) ? WebSocketSharp.Net.CookieCollection.Parse(text, response) : new WebSocketSharp.Net.CookieCollection();
		}

		internal static string GetDnsSafeHost(this Uri uri, bool bracketIPv6)
		{
			return (bracketIPv6 && uri.HostNameType == UriHostNameType.IPv6) ? uri.Host : uri.DnsSafeHost;
		}

		internal static string GetErrorMessage(this ushort code)
		{
			return code switch
			{
				1002 => "A protocol error has occurred.", 
				1003 => "Unsupported data has been received.", 
				1006 => "An abnormal error has occurred.", 
				1007 => "Invalid data has been received.", 
				1008 => "A policy violation has occurred.", 
				1009 => "A too big message has been received.", 
				1010 => "The client did not receive expected extension(s).", 
				1011 => "The server got an internal error.", 
				1015 => "An error has occurred during a TLS handshake.", 
				_ => string.Empty, 
			};
		}

		internal static string GetErrorMessage(this CloseStatusCode code)
		{
			return ((ushort)code).GetErrorMessage();
		}

		internal static string GetName(this string nameAndValue, char separator)
		{
			int num = nameAndValue.IndexOf(separator);
			return (num > 0) ? nameAndValue.Substring(0, num).Trim() : null;
		}

		internal static string GetUTF8DecodedString(this byte[] bytes)
		{
			try
			{
				return Encoding.UTF8.GetString(bytes);
			}
			catch
			{
				return null;
			}
		}

		internal static byte[] GetUTF8EncodedBytes(this string s)
		{
			try
			{
				return Encoding.UTF8.GetBytes(s);
			}
			catch
			{
				return null;
			}
		}

		internal static string GetValue(this string nameAndValue, char separator)
		{
			return nameAndValue.GetValue(separator, unquote: false);
		}

		internal static string GetValue(this string nameAndValue, char separator, bool unquote)
		{
			int num = nameAndValue.IndexOf(separator);
			if (num < 0 || num == nameAndValue.Length - 1)
			{
				return null;
			}
			string text = nameAndValue.Substring(num + 1).Trim();
			return unquote ? text.Unquote() : text;
		}

		internal static bool IsCompressionExtension(this string value, CompressionMethod method)
		{
			string value2 = method.ToExtensionString();
			StringComparison comparisonType = StringComparison.Ordinal;
			return value.StartsWith(value2, comparisonType);
		}

		internal static bool IsDefined(this CloseStatusCode code)
		{
			return Enum.IsDefined(typeof(CloseStatusCode), code);
		}

		internal static bool IsEqualTo(this int value, char c, Action<int> beforeComparing)
		{
			beforeComparing(value);
			return value == c;
		}

		internal static bool IsHttpMethod(this string value)
		{
			int result;
			switch (value)
			{
			default:
				result = ((value == "TRACE") ? 1 : 0);
				break;
			case "GET":
			case "HEAD":
			case "POST":
			case "PUT":
			case "DELETE":
			case "CONNECT":
			case "OPTIONS":
				result = 1;
				break;
			}
			return (byte)result != 0;
		}

		internal static bool IsPortNumber(this int value)
		{
			return value > 0 && value < 65536;
		}

		internal static bool IsReserved(this CloseStatusCode code)
		{
			return ((ushort)code).IsReservedStatusCode();
		}

		internal static bool IsReservedStatusCode(this ushort code)
		{
			return code == 1004 || code == 1005 || code == 1006 || code == 1015;
		}

		internal static bool IsSupportedOpcode(this int opcode)
		{
			return Enum.IsDefined(typeof(Opcode), opcode);
		}

		internal static bool IsText(this string value)
		{
			int length = value.Length;
			for (int i = 0; i < length; i++)
			{
				char c = value[i];
				if (c < ' ')
				{
					if ("\r\n\t".IndexOf(c) == -1)
					{
						return false;
					}
					if (c == '\n')
					{
						i++;
						if (i == length)
						{
							break;
						}
						c = value[i];
						if (" \t".IndexOf(c) == -1)
						{
							return false;
						}
					}
				}
				else if (c == '\u007f')
				{
					return false;
				}
			}
			return true;
		}

		internal static bool IsToken(this string value)
		{
			foreach (char c in value)
			{
				if (c < ' ')
				{
					return false;
				}
				if (c > '~')
				{
					return false;
				}
				if ("()<>@,;:\\\"/[]?={} \t".IndexOf(c) > -1)
				{
					return false;
				}
			}
			return true;
		}

		internal static bool KeepsAlive(this NameValueCollection headers, Version version)
		{
			StringComparison comparisonTypeForValue = StringComparison.OrdinalIgnoreCase;
			return (version > WebSocketSharp.Net.HttpVersion.Version10) ? (!headers.Contains("Connection", "close", comparisonTypeForValue)) : headers.Contains("Connection", "keep-alive", comparisonTypeForValue);
		}

		internal static bool MaybeUri(this string value)
		{
			int num = value.IndexOf(':');
			if (num < 2 || num > 9)
			{
				return false;
			}
			string value2 = value.Substring(0, num);
			return value2.isPredefinedScheme();
		}

		internal static string Quote(this string value)
		{
			string format = "\"{0}\"";
			string arg = value.Replace("\"", "\\\"");
			return string.Format(format, arg);
		}

		internal static byte[] ReadBytes(this Stream stream, int length)
		{
			byte[] array = new byte[length];
			int num = 0;
			int num2 = 0;
			while (length > 0)
			{
				int num3 = stream.Read(array, num, length);
				if (num3 <= 0)
				{
					if (num2 >= _maxRetry)
					{
						return array.SubArray(0, num);
					}
					num2++;
				}
				else
				{
					num2 = 0;
					num += num3;
					length -= num3;
				}
			}
			return array;
		}

		internal static byte[] ReadBytes(this Stream stream, long length, int bufferLength)
		{
			using MemoryStream memoryStream = new MemoryStream();
			byte[] buffer = new byte[bufferLength];
			int num = 0;
			while (length > 0)
			{
				if (length < bufferLength)
				{
					bufferLength = (int)length;
				}
				int num2 = stream.Read(buffer, 0, bufferLength);
				if (num2 <= 0)
				{
					if (num >= _maxRetry)
					{
						break;
					}
					num++;
				}
				else
				{
					num = 0;
					memoryStream.Write(buffer, 0, num2);
					length -= num2;
				}
			}
			memoryStream.Close();
			return memoryStream.ToArray();
		}

		internal static void ReadBytesAsync(this Stream stream, int length, Action<byte[]> completed, Action<Exception> error)
		{
			byte[] ret = new byte[length];
			int offset = 0;
			int retry = 0;
			AsyncCallback callback = null;
			callback = delegate(IAsyncResult ar)
			{
				try
				{
					int num = stream.EndRead(ar);
					if (num <= 0)
					{
						if (retry < _maxRetry)
						{
							retry++;
							stream.BeginRead(ret, offset, length, callback, null);
						}
						else if (completed != null)
						{
							completed(ret.SubArray(0, offset));
						}
					}
					else if (num == length)
					{
						if (completed != null)
						{
							completed(ret);
						}
					}
					else
					{
						retry = 0;
						offset += num;
						length -= num;
						stream.BeginRead(ret, offset, length, callback, null);
					}
				}
				catch (Exception obj2)
				{
					if (error != null)
					{
						error(obj2);
					}
				}
			};
			try
			{
				stream.BeginRead(ret, offset, length, callback, null);
			}
			catch (Exception obj)
			{
				if (error != null)
				{
					error(obj);
				}
			}
		}

		internal static void ReadBytesAsync(this Stream stream, long length, int bufferLength, Action<byte[]> completed, Action<Exception> error)
		{
			MemoryStream dest = new MemoryStream();
			byte[] buff = new byte[bufferLength];
			int retry = 0;
			Action<long> read = null;
			read = delegate(long len)
			{
				if (len < bufferLength)
				{
					bufferLength = (int)len;
				}
				stream.BeginRead(buff, 0, bufferLength, delegate(IAsyncResult ar)
				{
					try
					{
						int num = stream.EndRead(ar);
						if (num <= 0)
						{
							if (retry < _maxRetry)
							{
								int num2 = retry;
								retry = num2 + 1;
								read(len);
							}
							else
							{
								if (completed != null)
								{
									dest.Close();
									byte[] obj2 = dest.ToArray();
									completed(obj2);
								}
								dest.Dispose();
							}
						}
						else
						{
							dest.Write(buff, 0, num);
							if (num == len)
							{
								if (completed != null)
								{
									dest.Close();
									byte[] obj3 = dest.ToArray();
									completed(obj3);
								}
								dest.Dispose();
							}
							else
							{
								retry = 0;
								read(len - num);
							}
						}
					}
					catch (Exception obj4)
					{
						dest.Dispose();
						if (error != null)
						{
							error(obj4);
						}
					}
				}, null);
			};
			try
			{
				read(length);
			}
			catch (Exception obj)
			{
				dest.Dispose();
				if (error != null)
				{
					error(obj);
				}
			}
		}

		internal static T[] Reverse<T>(this T[] array)
		{
			long num = array.LongLength;
			T[] array2 = new T[num];
			long num2 = num - 1;
			for (long num3 = 0L; num3 <= num2; num3++)
			{
				array2[num3] = array[num2 - num3];
			}
			return array2;
		}

		internal static IEnumerable<string> SplitHeaderValue(this string value, params char[] separators)
		{
			//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
			return new <SplitHeaderValue>d__55(-2)
			{
				<>3__value = value,
				<>3__separators = separators
			};
		}

		internal static byte[] ToByteArray(this Stream stream)
		{
			stream.Position = 0L;
			using MemoryStream memoryStream = new MemoryStream();
			CopyTo(stream, memoryStream, 1024);
			memoryStream.Close();
			return memoryStream.ToArray();
		}

		internal static byte[] ToByteArray(this ushort value, ByteOrder order)
		{
			byte[] bytes = BitConverter.GetBytes(value);
			if (!order.IsHostOrder())
			{
				Array.Reverse((Array)bytes);
			}
			return bytes;
		}

		internal static byte[] ToByteArray(this ulong value, ByteOrder order)
		{
			byte[] bytes = BitConverter.GetBytes(value);
			if (!order.IsHostOrder())
			{
				Array.Reverse((Array)bytes);
			}
			return bytes;
		}

		internal static CompressionMethod ToCompressionMethod(this string value)
		{
			Array values = Enum.GetValues(typeof(CompressionMethod));
			foreach (CompressionMethod item in values)
			{
				if (item.ToExtensionString() == value)
				{
					return item;
				}
			}
			return CompressionMethod.None;
		}

		internal static string ToExtensionString(this CompressionMethod method, params string[] parameters)
		{
			if (method == CompressionMethod.None)
			{
				return string.Empty;
			}
			string arg = method.ToString().ToLower();
			string text = $"permessage-{arg}";
			if (parameters == null || parameters.Length == 0)
			{
				return text;
			}
			string arg2 = parameters.ToString("; ");
			return $"{text}; {arg2}";
		}

		internal static int ToInt32(this string numericString)
		{
			return int.Parse(numericString);
		}

		internal static IPAddress ToIPAddress(this string value)
		{
			if (value == null || value.Length == 0)
			{
				return null;
			}
			if (IPAddress.TryParse(value, out IPAddress address))
			{
				return address;
			}
			try
			{
				IPAddress[] hostAddresses = Dns.GetHostAddresses(value);
				return hostAddresses[0];
			}
			catch
			{
				return null;
			}
		}

		internal static List<TSource> ToList<TSource>(this IEnumerable<TSource> source)
		{
			return new List<TSource>(source);
		}

		internal static string ToString(this IPAddress address, bool bracketIPv6)
		{
			return (bracketIPv6 && address.AddressFamily == AddressFamily.InterNetworkV6) ? $"[{address}]" : address.ToString();
		}

		internal static ushort ToUInt16(this byte[] source, ByteOrder sourceOrder)
		{
			byte[] value = source.ToHostOrder(sourceOrder);
			return BitConverter.ToUInt16(value, 0);
		}

		internal static ulong ToUInt64(this byte[] source, ByteOrder sourceOrder)
		{
			byte[] value = source.ToHostOrder(sourceOrder);
			return BitConverter.ToUInt64(value, 0);
		}

		internal static Version ToVersion(this string versionString)
		{
			return new Version(versionString);
		}

		internal static IEnumerable<string> TrimEach(this IEnumerable<string> source)
		{
			//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
			return new <TrimEach>d__68(-2)
			{
				<>3__source = source
			};
		}

		internal static string TrimSlashFromEnd(this string value)
		{
			string text = value.TrimEnd(new char[1] { '/' });
			return (text.Length > 0) ? text : "/";
		}

		internal static string TrimSlashOrBackslashFromEnd(this string value)
		{
			string text = value.TrimEnd('/', '\\');
			return (text.Length > 0) ? text : value[0].ToString();
		}

		internal static bool TryCreateVersion(this string versionString, out Version result)
		{
			result = null;
			try
			{
				result = new Version(versionString);
			}
			catch
			{
				return false;
			}
			return true;
		}

		internal static bool TryCreateWebSocketUri(this string uriString, out Uri result, out string message)
		{
			result = null;
			message = null;
			Uri uri = uriString.ToUri();
			if (uri == null)
			{
				message = "An invalid URI string.";
				return false;
			}
			if (!uri.IsAbsoluteUri)
			{
				message = "A relative URI.";
				return false;
			}
			string scheme = uri.Scheme;
			if (!(scheme == "ws") && !(scheme == "wss"))
			{
				message = "The scheme part is not \"ws\" or \"wss\".";
				return false;
			}
			int port = uri.Port;
			if (port == 0)
			{
				message = "The port part is zero.";
				return false;
			}
			if (uri.Fragment.Length > 0)
			{
				message = "It includes the fragment component.";
				return false;
			}
			if (port == -1)
			{
				port = ((scheme == "ws") ? 80 : 443);
				uriString = $"{scheme}://{uri.Host}:{port}{uri.PathAndQuery}";
				result = new Uri(uriString);
			}
			else
			{
				result = uri;
			}
			return true;
		}

		internal static bool TryGetUTF8DecodedString(this byte[] bytes, out string s)
		{
			s = null;
			try
			{
				s = Encoding.UTF8.GetString(bytes);
			}
			catch
			{
				return false;
			}
			return true;
		}

		internal static bool TryGetUTF8EncodedBytes(this string s, out byte[] bytes)
		{
			bytes = null;
			try
			{
				bytes = Encoding.UTF8.GetBytes(s);
			}
			catch
			{
				return false;
			}
			return true;
		}

		internal static bool TryOpenRead(this FileInfo fileInfo, out FileStream fileStream)
		{
			fileStream = null;
			try
			{
				fileStream = fileInfo.OpenRead();
			}
			catch
			{
				return false;
			}
			return true;
		}

		internal static string Unquote(this string value)
		{
			int num = value.IndexOf('"');
			if (num == -1)
			{
				return value;
			}
			int num2 = value.LastIndexOf('"');
			if (num2 == num)
			{
				return value;
			}
			int num3 = num2 - num - 1;
			return (num3 > 0) ? value.Substring(num + 1, num3).Replace("\\\"", "\"") : string.Empty;
		}

		internal static bool Upgrades(this NameValueCollection headers, string protocol)
		{
			StringComparison comparisonTypeForValue = StringComparison.OrdinalIgnoreCase;
			return headers.Contains("Upgrade", protocol, comparisonTypeForValue) && headers.Contains("Connection", "Upgrade", comparisonTypeForValue);
		}

		internal static string UrlDecode(this string value, Encoding encoding)
		{
			return (value.IndexOfAny(new char[2] { '%', '+' }) > -1) ? HttpUtility.UrlDecode(value, encoding) : value;
		}

		internal static string UrlEncode(this string value, Encoding encoding)
		{
			return HttpUtility.UrlEncode(value, encoding);
		}

		internal static void WriteBytes(this Stream stream, byte[] bytes, int bufferLength)
		{
			using MemoryStream sourceStream = new MemoryStream(bytes);
			CopyTo(sourceStream, stream, bufferLength);
		}

		internal static void WriteBytesAsync(this Stream stream, byte[] bytes, int bufferLength, Action completed, Action<Exception> error)
		{
			MemoryStream src = new MemoryStream(bytes);
			src.CopyToAsync(stream, bufferLength, delegate
			{
				if (completed != null)
				{
					completed();
				}
				src.Dispose();
			}, delegate(Exception ex)
			{
				src.Dispose();
				if (error != null)
				{
					error(ex);
				}
			});
		}

		public static string GetDescription(this WebSocketSharp.Net.HttpStatusCode code)
		{
			return ((int)code).GetStatusDescription();
		}

		public static string GetStatusDescription(this int code)
		{
			return code switch
			{
				100 => "Continue", 
				101 => "Switching Protocols", 
				102 => "Processing", 
				200 => "OK", 
				201 => "Created", 
				202 => "Accepted", 
				203 => "Non-Authoritative Information", 
				204 => "No Content", 
				205 => "Reset Content", 
				206 => "Partial Content", 
				207 => "Multi-Status", 
				300 => "Multiple Choices", 
				301 => "Moved Permanently", 
				302 => "Found", 
				303 => "See Other", 
				304 => "Not Modified", 
				305 => "Use Proxy", 
				307 => "Temporary Redirect", 
				400 => "Bad Request", 
				401 => "Unauthorized", 
				402 => "Payment Required", 
				403 => "Forbidden", 
				404 => "Not Found", 
				405 => "Method Not Allowed", 
				406 => "Not Acceptable", 
				407 => "Proxy Authentication Required", 
				408 => "Request Timeout", 
				409 => "Conflict", 
				410 => "Gone", 
				411 => "Length Required", 
				412 => "Precondition Failed", 
				413 => "Request Entity Too Large", 
				414 => "Request-Uri Too Long", 
				415 => "Unsupported Media Type", 
				416 => "Requested Range Not Satisfiable", 
				417 => "Expectation Failed", 
				422 => "Unprocessable Entity", 
				423 => "Locked", 
				424 => "Failed Dependency", 
				500 => "Internal Server Error", 
				501 => "Not Implemented", 
				502 => "Bad Gateway", 
				503 => "Service Unavailable", 
				504 => "Gateway Timeout", 
				505 => "Http Version Not Supported", 
				507 => "Insufficient Storage", 
				_ => string.Empty, 
			};
		}

		public static bool IsCloseStatusCode(this ushort value)
		{
			return value > 999 && value < 5000;
		}

		public static bool IsEnclosedIn(this string value, char c)
		{
			if (value == null)
			{
				return false;
			}
			int length = value.Length;
			return length > 1 && value[0] == c && value[length - 1] == c;
		}

		public static bool IsHostOrder(this ByteOrder order)
		{
			return BitConverter.IsLittleEndian == (order == ByteOrder.Little);
		}

		public static bool IsLocal(this IPAddress address)
		{
			if (address == null)
			{
				throw new ArgumentNullException("address");
			}
			if (address.Equals(IPAddress.Any))
			{
				return true;
			}
			if (address.Equals(IPAddress.Loopback))
			{
				return true;
			}
			if (Socket.OSSupportsIPv6)
			{
				if (address.Equals(IPAddress.IPv6Any))
				{
					return true;
				}
				if (address.Equals(IPAddress.IPv6Loopback))
				{
					return true;
				}
			}
			string hostName = Dns.GetHostName();
			IPAddress[] hostAddresses = Dns.GetHostAddresses(hostName);
			IPAddress[] array = hostAddresses;
			foreach (IPAddress obj in array)
			{
				if (address.Equals(obj))
				{
					return true;
				}
			}
			return false;
		}

		public static bool IsNullOrEmpty(this string value)
		{
			return value == null || value.Length == 0;
		}

		public static T[] SubArray<T>(this T[] array, int startIndex, int length)
		{
			if (array == null)
			{
				throw new ArgumentNullException("array");
			}
			int num = array.Length;
			if (num == 0)
			{
				if (startIndex != 0)
				{
					throw new ArgumentOutOfRangeException("startIndex");
				}
				if (length != 0)
				{
					throw new ArgumentOutOfRangeException("length");
				}
				return array;
			}
			if (startIndex < 0 || startIndex >= num)
			{
				throw new ArgumentOutOfRangeException("startIndex");
			}
			if (length < 0 || length > num - startIndex)
			{
				throw new ArgumentOutOfRangeException("length");
			}
			if (length == 0)
			{
				return new T[0];
			}
			if (length == num)
			{
				return array;
			}
			T[] array2 = new T[length];
			Array.Copy(array, startIndex, array2, 0, length);
			return array2;
		}

		public static T[] SubArray<T>(this T[] array, long startIndex, long length)
		{
			if (array == null)
			{
				throw new ArgumentNullException("array");
			}
			long num = array.LongLength;
			if (num == 0)
			{
				if (startIndex != 0)
				{
					throw new ArgumentOutOfRangeException("startIndex");
				}
				if (length != 0)
				{
					throw new ArgumentOutOfRangeException("length");
				}
				return array;
			}
			if (startIndex < 0 || startIndex >= num)
			{
				throw new ArgumentOutOfRangeException("startIndex");
			}
			if (length < 0 || length > num - startIndex)
			{
				throw new ArgumentOutOfRangeException("length");
			}
			if (length == 0)
			{
				return new T[0];
			}
			if (length == num)
			{
				return array;
			}
			T[] array2 = new T[length];
			Array.Copy(array, startIndex, array2, 0L, length);
			return array2;
		}

		public static void Times(this int n, Action<int> action)
		{
			if (n > 0 && action != null)
			{
				for (int i = 0; i < n; i++)
				{
					action(i);
				}
			}
		}

		public static void Times(this long n, Action<long> action)
		{
			if (n > 0 && action != null)
			{
				for (long num = 0L; num < n; num++)
				{
					action(num);
				}
			}
		}

		public static byte[] ToHostOrder(this byte[] source, ByteOrder sourceOrder)
		{
			if (source == null)
			{
				throw new ArgumentNullException("source");
			}
			if (source.Length < 2)
			{
				return source;
			}
			if (sourceOrder.IsHostOrder())
			{
				return source;
			}
			return source.Reverse();
		}

		public static string ToString<T>(this T[] array, string separator)
		{
			if (array == null)
			{
				throw new ArgumentNullException("array");
			}
			int num = array.Length;
			if (num == 0)
			{
				return string.Empty;
			}
			StringBuilder stringBuilder = new StringBuilder(64);
			int num2 = num - 1;
			for (int i = 0; i < num2; i++)
			{
				stringBuilder.AppendFormat("{0}{1}", array[i], separator);
			}
			stringBuilder.AppendFormat("{0}", array[num2]);
			return stringBuilder.ToString();
		}

		public static Uri ToUri(this string value)
		{
			if (value == null || value.Length == 0)
			{
				return null;
			}
			UriKind uriKind = (value.MaybeUri() ? UriKind.Absolute : UriKind.Relative);
			Uri.TryCreate(value, uriKind, out Uri result);
			return result;
		}
	}
	internal enum Fin
	{
		More,
		Final
	}
	internal abstract class HttpBase
	{
		private NameValueCollection _headers;

		private static readonly int _maxMessageHeaderLength;

		private string _messageBody;

		private byte[] _messageBodyData;

		private Version _version;

		protected static readonly string CrLf;

		protected static readonly string CrLfHt;

		protected static readonly string CrLfSp;

		internal byte[] MessageBodyData => _messageBodyData;

		protected string HeaderSection
		{
			get
			{
				StringBuilder stringBuilder = new StringBuilder(64);
				string format = "{0}: {1}{2}";
				string[] allKeys = _headers.AllKeys;
				foreach (string text in allKeys)
				{
					stringBuilder.AppendFormat(format, text, _headers[text], CrLf);
				}
				stringBuilder.Append(CrLf);
				return stringBuilder.ToString();
			}
		}

		public bool HasMessageBody => _messageBodyData != null;

		public NameValueCollection Headers => _headers;

		public string MessageBody
		{
			get
			{
				if (_messageBody == null)
				{
					_messageBody = getMessageBody();
				}
				return _messageBody;
			}
		}

		public abstract string MessageHeader { get; }

		public Version ProtocolVersion => _version;

		static HttpBase()
		{
			_maxMessageHeaderLength = 8192;
			CrLf = "\r\n";
			CrLfHt = "\r\n\t";
			CrLfSp = "\r\n ";
		}

		protected HttpBase(Version version, NameValueCollection headers)
		{
			_version = version;
			_headers = headers;
		}

		private string getMessageBody()
		{
			if (_messageBodyData == null || _messageBodyData.LongLength == 0)
			{
				return string.Empty;
			}
			string text = _headers["Content-Type"];
			Encoding encoding = ((text != null && text.Length > 0) ? HttpUtility.GetEncoding(text) : Encoding.UTF8);
			return encoding.GetString(_messageBodyData);
		}

		private static byte[] readMessageBodyFrom(Stream stream, string length)
		{
			if (!long.TryParse(length, out var result))
			{
				string message = "It could not be parsed.";
				throw new ArgumentException(message, "length");
			}
			if (result < 0)
			{
				string message2 = "Less than zero.";
				throw new ArgumentOutOfRangeException("length", message2);
			}
			return (result > 1024) ? stream.ReadBytes(result, 1024) : ((result > 0) ? stream.ReadBytes((int)result) : null);
		}

		private static string[] readMessageHeaderFrom(Stream stream)
		{
			List<byte> buff = new List<byte>();
			int cnt = 0;
			Action<int> beforeComparing = delegate(int i)
			{
				if (i == -1)
				{
					string message2 = "The header could not be read from the data stream.";
					throw new EndOfStreamException(message2);
				}
				buff.Add((byte)i);
				cnt++;
			};
			bool flag = false;
			do
			{
				flag = stream.ReadByte().IsEqualTo('\r', beforeComparing) && stream.ReadByte().IsEqualTo('\n', beforeComparing) && stream.ReadByte().IsEqualTo('\r', beforeComparing) && stream.ReadByte().IsEqualTo('\n', beforeComparing);
				if (cnt > _maxMessageHeaderLength)
				{
					string message = "The length of the header is greater than the max length.";
					throw new InvalidOperationException(message);
				}
			}
			while (!flag);
			byte[] bytes = buff.ToArray();
			return Encoding.UTF8.GetString(bytes).Replace(CrLfSp, " ").Replace(CrLfHt, " ")
				.Split(new string[1] { CrLf }, StringSplitOptions.RemoveEmptyEntries);
		}

		internal void WriteTo(Stream stream)
		{
			byte[] array = ToByteArray();
			stream.Write(array, 0, array.Length);
		}

		protected static T Read<T>(Stream stream, Func<string[], T> parser, int millisecondsTimeout) where T : HttpBase
		{
			T val = null;
			bool timeout = false;
			System.Threading.Timer timer = new System.Threading.Timer(delegate
			{
				timeout = true;
				stream.Close();
			}, null, millisecondsTimeout, -1);
			Exception ex = null;
			try
			{
				string[] arg = readMessageHeaderFrom(stream);
				val = parser(arg);
				string text = val.Headers["Content-Length"];
				if (text != null && text.Length > 0)
				{
					val._messageBodyData = readMessageBodyFrom(stream, text);
				}
			}
			catch (Exception ex2)
			{
				ex = ex2;
			}
			finally
			{
				timer.Change(-1, -1);
				timer.Dispose();
			}
			if (timeout)
			{
				string message = "A timeout has occurred.";
				throw new WebSocketException(message);
			}
			if (ex != null)
			{
				string message2 = "An exception has occurred.";
				throw new WebSocketException(message2, ex);
			}
			return val;
		}

		public byte[] ToByteArray()
		{
			byte[] bytes = Encoding.UTF8.GetBytes(MessageHeader);
			return (_messageBodyData != null) ? bytes.Concat(_messageBodyData).ToArray() : bytes;
		}

		public override string ToString()
		{
			return (_messageBodyData != null) ? (MessageHeader + MessageBody) : MessageHeader;
		}
	}
	internal class HttpRequest : HttpBase
	{
		private WebSocketSharp.Net.CookieCollection _cookies;

		private string _method;

		private string _target;

		internal string RequestLine
		{
			get
			{
				string format = "{0} {1} HTTP/{2}{3}";
				return string.Format(format, _method, _target, base.ProtocolVersion, HttpBase.CrLf);
			}
		}

		public AuthenticationResponse AuthenticationResponse
		{
			get
			{
				string text = base.Headers["Authorization"];
				return (text != null && text.Length > 0) ? AuthenticationResponse.Parse(text) : null;
			}
		}

		public WebSocketSharp.Net.CookieCollection Cookies
		{
			get
			{
				if (_cookies == null)
				{
					_cookies = base.Headers.GetCookies(response: false);
				}
				return _cookies;
			}
		}

		public string HttpMethod => _method;

		public bool IsWebSocketRequest => _method == "GET" && base.ProtocolVersion > WebSocketSharp.Net.HttpVersion.Version10 && base.Headers.Upgrades("websocket");

		public override string MessageHeader => RequestLine + base.HeaderSection;

		public string RequestTarget => _target;

		private HttpRequest(string method, string target, Version version, NameValueCollection headers)
			: base(version, headers)
		{
			_method = method;
			_target = target;
		}

		internal HttpRequest(string method, string target)
			: this(method, target, WebSocketSharp.Net.HttpVersion.Version11, new NameValueCollection())
		{
			base.Headers["User-Agent"] = "websocket-sharp/1.0";
		}

		internal static HttpRequest CreateConnectRequest(Uri targetUri)
		{
			string format = "{0}:{1}";
			string dnsSafeHost = targetUri.DnsSafeHost;
			int port = targetUri.Port;
			string text = string.Format(format, dnsSafeHost, port);
			HttpRequest httpRequest = new HttpRequest("CONNECT", text);
			httpRequest.Headers["Host"] = ((port != 80) ? text : dnsSafeHost);
			return httpRequest;
		}

		internal static HttpRequest CreateWebSocketHandshakeRequest(Uri targetUri)
		{
			HttpRequest httpRequest = new HttpRequest("GET", targetUri.PathAndQuery);
			NameValueCollection headers = httpRequest.Headers;
			int port = targetUri.Port;
			string scheme = targetUri.Scheme;
			bool flag = (port == 80 && scheme == "ws") || (port == 443 && scheme == "wss");
			headers["Host"] = ((!flag) ? targetUri.Authority : targetUri.DnsSafeHost);
			headers["Upgrade"] = "websocket";
			headers["Connection"] = "Upgrade";
			return httpRequest;
		}

		internal HttpResponse GetResponse(Stream stream, int millisecondsTimeout)
		{
			WriteTo(stream);
			return HttpResponse.ReadResponse(stream, millisecondsTimeout);
		}

		internal static HttpRequest Parse(string[] messageHeader)
		{
			int num = messageHeader.Length;
			if (num == 0)
			{
				string message = "An empty request header.";
				throw new ArgumentException(message);
			}
			string[] array = messageHeader[0].Split(new char[1] { ' ' }, 3);
			if (array.Length != 3)
			{
				string message2 = "It includes an invalid request line.";
				throw new ArgumentException(message2);
			}
			string method = array[0];
			string target = array[1];
			Version version = array[2].Substring(5).ToVersion();
			WebSocketSharp.Net.WebHeaderCollection webHeaderCollection = new WebSocketSharp.Net.WebHeaderCollection();
			for (int i = 1; i < num; i++)
			{
				webHeaderCollection.InternalSet(messageHeader[i], response: false);
			}
			return new HttpRequest(method, target, version, webHeaderCollection);
		}

		internal static HttpRequest ReadRequest(Stream stream, int millisecondsTimeout)
		{
			return HttpBase.Read(stream, Parse, millisecondsTimeout);
		}

		public void SetCookies(WebSocketSharp.Net.CookieCollection cookies)
		{
			if (cookies == null || cookies.Count == 0)
			{
				return;
			}
			StringBuilder stringBuilder = new StringBuilder(64);
			foreach (WebSocketSharp.Net.Cookie item in cookies.Sorted)
			{
				if (!item.Expired)
				{
					stringBuilder.AppendFormat("{0}; ", item);
				}
			}
			int length = stringBuilder.Length;
			if (length > 2)
			{
				stringBuilder.Length = length - 2;
				base.Headers["Cookie"] = stringBuilder.ToString();
			}
		}
	}
	internal class HttpResponse : HttpBase
	{
		private int _code;

		private string _reason;

		internal string StatusLine => (_reason != null) ? $"HTTP/{base.ProtocolVersion} {_code} {_reason}{HttpBase.CrLf}" : $"HTTP/{base.ProtocolVersion} {_code}{HttpBase.CrLf}";

		public bool CloseConnection
		{
			get
			{
				StringComparison comparisonTypeForValue = StringComparison.OrdinalIgnoreCase;
				return base.Headers.Contains("Connection", "close", comparisonTypeForValue);
			}
		}

		public WebSocketSharp.Net.CookieCollection Cookies => base.Headers.GetCookies(response: true);

		public bool IsProxyAuthenticationRequired => _code == 407;

		public bool IsRedirect => _code == 301 || _code == 302;

		public bool IsSuccess => _code >= 200 && _code <= 299;

		public bool IsUnauthorized => _code == 401;

		public bool IsWebSocketResponse => base.ProtocolVersion > WebSocketSharp.Net.HttpVersion.Version10 && _code == 101 && base.Headers.Upgrades("websocket");

		public override string MessageHeader => StatusLine + base.HeaderSection;

		public string Reason => _reason;

		public int StatusCode => _code;

		private HttpResponse(int code, string reason, Version version, NameValueCollection headers)
			: base(version, headers)
		{
			_code = code;
			_reason = reason;
		}

		internal HttpResponse(int code)
			: this(code, code.GetStatusDescription())
		{
		}

		internal HttpResponse(WebSocketSharp.Net.HttpStatusCode code)
			: this((int)code)
		{
		}

		internal HttpResponse(int code, string reason)
			: this(code, reason, WebSocketSharp.Net.HttpVersion.Version11, new NameValueCollection())
		{
			base.Headers["Server"] = "websocket-sharp/1.0";
		}

		internal HttpResponse(WebSocketSharp.Net.HttpStatusCode code, string reason)
			: this((int)code, reason)
		{
		}

		internal static HttpResponse CreateCloseResponse(WebSocketSharp.Net.HttpStatusCode code)
		{
			HttpResponse httpResponse = new HttpResponse(code);
			httpResponse.Headers["Connection"] = "close";
			return httpResponse;
		}

		internal static HttpResponse CreateUnauthorizedResponse(string challenge)
		{
			HttpResponse httpResponse = new HttpResponse(WebSocketSharp.Net.HttpStatusCode.Unauthorized);
			httpResponse.Headers["WWW-Authenticate"] = challenge;
			return httpResponse;
		}

		internal static HttpResponse CreateWebSocketHandshakeResponse()
		{
			HttpResponse httpResponse = new HttpResponse(WebSocketSharp.Net.HttpStatusCode.SwitchingProtocols);
			NameValueCollection headers = httpResponse.Headers;
			headers["Upgrade"] = "websocket";
			headers["Connection"] = "Upgrade";
			return httpResponse;
		}

		internal static HttpResponse Parse(string[] messageHeader)
		{
			int num = messageHeader.Length;
			if (num == 0)
			{
				string message = "An empty response header.";
				throw new ArgumentException(message);
			}
			string[] array = messageHeader[0].Split(new char[1] { ' ' }, 3);
			int num2 = array.Length;
			if (num2 < 2)
			{
				string message2 = "It includes an invalid status line.";
				throw new ArgumentException(message2);
			}
			int code = array[1].ToInt32();
			string reason = ((num2 == 3) ? array[2] : null);
			Version version = array[0].Substring(5).ToVersion();
			WebSocketSharp.Net.WebHeaderCollection webHeaderCollection = new WebSocketSharp.Net.WebHeaderCollection();
			for (int i = 1; i < num; i++)
			{
				webHeaderCollection.InternalSet(messageHeader[i], response: true);
			}
			return new HttpResponse(code, reason, version, webHeaderCollection);
		}

		internal static HttpResponse ReadResponse(Stream stream, int millisecondsTimeout)
		{
			return HttpBase.Read(stream, Parse, millisecondsTimeout);
		}

		public void SetCookies(WebSocketSharp.Net.CookieCollection cookies)
		{
			if (cookies == null || cookies.Count == 0)
			{
				return;
			}
			NameValueCollection headers = base.Headers;
			foreach (WebSocketSharp.Net.Cookie item in cookies.Sorted)
			{
				string value = item.ToResponseString();
				headers.Add("Set-Cookie", value);
			}
		}
	}
	public class LogData
	{
		private StackFrame _caller;

		private DateTime _date;

		private LogLevel _level;

		private string _message;

		public StackFrame Caller => _caller;

		public DateTime Date => _date;

		public LogLevel Level => _level;

		public string Message => _message;

		internal LogData(LogLevel level, StackFrame caller, string message)
		{
			_level = level;
			_caller = caller;
			_message = message ?? string.Empty;
			_date = DateTime.Now;
		}

		public override string ToString()
		{
			string text = $"[{_date}]";
			string text2 = $"{_level.ToString().ToUpper(),-5}";
			MethodBase method = _caller.GetMethod();
			Type declaringType = method.DeclaringType;
			int fileLineNumber = _caller.GetFileLineNumber();
			string text3 = $"{declaringType.Name}.{method.Name}:{fileLineNumber}";
			string[] array = _message.Replace("\r\n", "\n").TrimEnd(new char[1] { '\n' }).Split(new char[1] { '\n' });
			if (array.Length <= 1)
			{
				return $"{text} {text2} {text3} {_message}";
			}
			StringBuilder stringBuilder = new StringBuilder(64);
			stringBuilder.AppendFormat("{0} {1} {2}\n\n", text, text2, text3);
			string[] array2 = array;
			foreach (string arg in array2)
			{
				stringBuilder.AppendFormat("  {0}\n", arg);
			}
			return stringBuilder.ToString();
		}
	}
	public class Logger
	{
		private volatile string _file;

		private volatile LogLevel _level;

		private Action<LogData, string> _output;

		private object _sync;

		public string File
		{
			get
			{
				return _file;
			}
			set
			{
				lock (_sync)
				{
					_file = value;
				}
			}
		}

		public LogLevel Level
		{
			get
			{
				return _level;
			}
			set
			{
				lock (_sync)
				{
					_level = value;
				}
			}
		}

		public Action<LogData, string> Output
		{
			get
			{
				return _output;
			}
			set
			{
				lock (_sync)
				{
					_output = value ?? new Action<LogData, string>(defaultOutput);
				}
			}
		}

		public Logger()
			: this(LogLevel.Error, null, null)
		{
		}

		public Logger(LogLevel level)
			: this(level, null, null)
		{
		}

		public Logger(LogLevel level, string file, Action<LogData, string> output)
		{
			_level = level;
			_file = file;
			_output = output ?? new Action<LogData, string>(defaultOutput);
			_sync = new object();
		}

		private static void defaultOutput(LogData data, string path)
		{
			string value = data.ToString();
			Console.WriteLine(value);
			if (path != null && path.Length > 0)
			{
				writeToFile(value, path);
			}
		}

		private void output(string message, LogLevel level)
		{
			lock (_sync)
			{
				if (_level > level)
				{
					return;
				}
				try
				{
					LogData arg = new LogData(level, new StackFrame(2, needFileInfo: true), message);
					_output(arg, _file);
				}
				catch (Exception ex)
				{
					LogData logData = new LogData(LogLevel.Fatal, new StackFrame(0, needFileInfo: true), ex.Message);
					Console.WriteLine(logData.ToString());
				}
			}
		}

		private static void writeToFile(string value, string path)
		{
			using StreamWriter writer = new StreamWriter(path, append: true);
			using TextWriter textWriter = TextWriter.Synchronized(writer);
			textWriter.WriteLine(value);
		}

		public void Debug(string message)
		{
			if (_level <= LogLevel.Debug)
			{
				output(message, LogLevel.Debug);
			}
		}

		public void Error(string message)
		{
			if (_level <= LogLevel.Error)
			{
				output(message, LogLevel.Error);
			}
		}

		public void Fatal(string message)
		{
			if (_level <= LogLevel.Fatal)
			{
				output(message, LogLevel.Fatal);
			}
		}

		public void Info(string message)
		{
			if (_level <= LogLevel.Info)
			{
				output(message, LogLevel.Info);
			}
		}

		public void Trace(string message)
		{
			if (_level <= LogLevel.Trace)
			{
				output(message, LogLevel.Trace);
			}
		}

		public void Warn(string message)
		{
			if (_level <= LogLevel.Warn)
			{
				output(message, LogLevel.Warn);
			}
		}
	}
	public enum LogLevel
	{
		Trace,
		Debug,
		Info,
		Warn,
		Error,
		Fatal,
		None
	}
	internal enum Mask
	{
		Off,
		On
	}
	public class MessageEventArgs : EventArgs
	{
		private string _data;

		private bool _dataSet;

		private Opcode _opcode;

		private byte[] _rawData;

		internal Opcode Opcode => _opcode;

		public string Data
		{
			get
			{
				setData();
				return _data;
			}
		}

		public bool IsBinary => _opcode == Opcode.Binary;

		public bool IsPing => _opcode == Opcode.Ping;

		public bool IsText => _opcode == Opcode.Text;

		public byte[] RawData
		{
			get
			{
				setData();
				return _rawData;
			}
		}

		internal MessageEventArgs(WebSocketFrame frame)
		{
			_opcode = frame.Opcode;
			_rawData = frame.PayloadData.ApplicationData;
		}

		internal MessageEventArgs(Opcode opcode, byte[] rawData)
		{
			if ((ulong)rawData.LongLength > PayloadData.MaxLength)
			{
				throw new WebSocketException(CloseStatusCode.TooBig);
			}
			_opcode = opcode;
			_rawData = rawData;
		}

		private void setData()
		{
			if (_dataSet)
			{
				return;
			}
			if (_opcode == Opcode.Binary)
			{
				_dataSet = true;
				return;
			}
			if (_rawData.TryGetUTF8DecodedString(out var s))
			{
				_data = s;
			}
			_dataSet = true;
		}
	}
	internal enum Opcode
	{
		Cont = 0,
		Text = 1,
		Binary = 2,
		Close = 8,
		Ping = 9,
		Pong = 10
	}
	internal class PayloadData : IEnumerable<byte>, IEnumerable
	{
		[CompilerGenerated]
		private sealed class <GetEnumerator>d__26 : IEnumerator<byte>, IDisposable, IEnumerator
		{
			private int <>1__state;

			private byte <>2__current;

			public PayloadData <>4__this;

			private byte[] <>s__1;

			private int <>s__2;

			private byte <b>5__3;

			byte IEnumerator<byte>.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			object IEnumerator.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			[DebuggerHidden]
			public <GetEnumerator>d__26(int <>1__state)
			{
				this.<>1__state = <>1__state;
			}

			[DebuggerHidden]
			void IDisposable.Dispose()
			{
				<>s__1 = null;
				<>1__state = -2;
			}

			private bool MoveNext()
			{
				switch (<>1__state)
				{
				default:
					return false;
				case 0:
					<>1__state = -1;
					<>s__1 = <>4__this._data;
					<>s__2 = 0;
					break;
				case 1:
					<>1__state = -1;
					<>s__2++;
					break;
				}
				if (<>s__2 < <>s__1.Length)
				{
					<b>5__3 = <>s__1[<>s__2];
					<>2__current = <b>5__3;
					<>1__state = 1;
					return true;
				}
				<>s__1 = null;
				return false;
			}

			bool IEnumerator.MoveNext()
			{
				//ILSpy generated this explicit interface implementation from .override directive in MoveNext
				return this.MoveNext();
			}

			[DebuggerHidden]
			void IEnumerator.Reset()
			{
				throw new NotSupportedException();
			}
		}

		private byte[] _data;

		private static readonly byte[] _emptyBytes;

		private long _extDataLength;

		private long _length;

		public static readonly PayloadData Empty;

		public static readonly ulong MaxLength;

		internal ushort Code => (ushort)((_length >= 2) ? _data.SubArray(0, 2).ToUInt16(ByteOrder.Big) : 1005);

		internal long ExtensionDataLength
		{
			get
			{
				return _extDataLength;
			}
			set
			{
				_extDataLength = value;
			}
		}

		internal bool HasReservedCode => _length >= 2 && Code.IsReservedStatusCode();

		internal string Reason
		{
			get
			{
				if (_length <= 2)
				{
					return string.Empty;
				}
				byte[] bytes = _data.SubArray(2L, _length - 2);
				string s;
				return bytes.TryGetUTF8DecodedString(out s) ? s : string.Empty;
			}
		}

		public byte[] ApplicationData => (_extDataLength > 0) ? _data.SubArray(_extDataLength, _length - _extDataLength) : _data;

		public byte[] ExtensionData => (_extDataLength > 0) ? _data.SubArray(0L, _extDataLength) : _emptyBytes;

		public ulong Length => (ulong)_length;

		static PayloadData()
		{
			_emptyBytes = new byte[0];
			Empty = new PayloadData(_emptyBytes, 0L);
			MaxLength = 9223372036854775807uL;
		}

		internal PayloadData(byte[] data)
			: this(data, data.LongLength)
		{
		}

		internal PayloadData(byte[] data, long length)
		{
			_data = data;
			_length = length;
		}

		internal PayloadData(ushort code, string reason)
		{
			_data = code.Append(reason);
			_length = _data.LongLength;
		}

		internal void Mask(byte[] key)
		{
			for (long num = 0L; num < _length; num++)
			{
				_data[num] ^= key[num % 4];
			}
		}

		public IEnumerator<byte> GetEnumerator()
		{
			//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
			return new <GetEnumerator>d__26(0)
			{
				<>4__this = this
			};
		}

		public byte[] ToArray()
		{
			return _data;
		}

		public override string ToString()
		{
			return BitConverter.ToString(_data);
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
	internal enum Rsv
	{
		Off,
		On
	}
	public class WebSocket : IDisposable
	{
		[CompilerGenerated]
		private sealed class <get_Cookies>d__68 : IEnumerable<WebSocketSharp.Net.Cookie>, IEnumerable, IEnumerator<WebSocketSharp.Net.Cookie>, IDisposable, IEnumerator
		{
			private int <>1__state;

			private WebSocketSharp.Net.Cookie <>2__current;

			private int <>l__initialThreadId;

			public WebSocket <>4__this;

			private object <>s__1;

			private IEnumerator<WebSocketSharp.Net.Cookie> <>s__2;

			private WebSocketSharp.Net.Cookie <cookie>5__3;

			WebSocketSharp.Net.Cookie IEnumerator<WebSocketSharp.Net.Cookie>.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			object IEnumerator.Current
			{
				[DebuggerHidden]
				get
				{
					return <>2__current;
				}
			}

			[DebuggerHidden]
			public <get_Cookies>d__68(int <>1__state)
			{
				this.<>1__state = <>1__state;
				<>l__initialThreadId = Thread.CurrentThread.ManagedThreadId;
			}

			[DebuggerHidden]
			void IDisposable.Dispose()
			{
				int num = <>1__state;
				if ((uint)(num - -4) <= 1u || num == 1)
				{
					try
					{
						if (num == -4 || num == 1)
						{
							try
							{
							}
							finally
							{
								<>m__Finally2();
							}
						}
					}
					finally
					{
						<>m__Finally1();
					}
				}
				<>s__1 = null;
				<>s__2 = null;
				<cookie>5__3 = null;
				<>1__state = -2;
			}

			private bool MoveNext()
			{
				try
				{
					switch (<>1__state)
					{
					default:
						return false;
					case 0:
						<>1__state = -1;
						<>s__1 = <>4__this._cookies.SyncRoot;
						Monitor.Enter(<>s__1);
						<>1__state = -3;
						<>s__2 = <>4__this._cookies.GetEnumerator();
						<>1__state = -4;
						break;
					case 1:
						<>1__state = -4;
						<cookie>5__3 = null;
						break;
					}
					if (<>s__2.MoveNext())
					{
						<cookie>5__3 = <>s__2.Current;
						<>2__current = <cookie>5__3;
						<>1__state = 1;
						return true;
					}
					<>m__Finally2();
					<>s__2 = null;
					<>m__Finally1();
					<>s__1 = null;
					return false;
				}
				catch
				{
					//try-fault
					((IDisposable)this).Dispose();
					throw;
				}
			}

			bool IEnumerator.MoveNext()
			{
				//ILSpy generated this explicit interface implementation from .override directive in MoveNext
				return this.MoveNext();
			}

			private void <>m__Finally1()
			{
				<>1__state = -1;
				Monitor.Exit(<>s__1);
			}

			private void <>m__Finally2()
			{
				<>1__state = -3;
				if (<>s__2 != null)
				{
					<>s__2.Dispose();
				}
			}

			[DebuggerHidden]
			void IEnumerator.Reset()
			{
				throw new NotSupportedException();
			}

			[DebuggerHidden]
			IEnumerator<WebSocketSharp.Net.Cookie> IEnumerable<WebSocketSharp.Net.Cookie>.GetEnumerator()
			{
				<get_Cookies>d__68 result;
				if (<>1__state == -2 && <>l__initialThreadId == Thread.CurrentThread.ManagedThreadId)
				{
					<>1__state = 0;
					result = this;
				}
				else
				{
					result = new <get_Cookies>d__68(0)
					{
						<>4__this = <>4__this
					};
				}
				return result;
			}

			[DebuggerHidden]
			IEnumerator IEnumerable.GetEnumerator()
			{
				return ((IEnumerable<WebSocketSharp.Net.Cookie>)this).GetEnumerator();
			}
		}

		private AuthenticationChallenge _authChallenge;

		private string _base64Key;

		private Action _closeContext;

		private CompressionMethod _compression;

		private WebSocketContext _context;

		private WebSocketSharp.Net.CookieCollection _cookies;

		private WebSocketSharp.Net.NetworkCredential _credentials;

		private bool _emitOnPing;

		private static readonly byte[] _emptyBytes;

		private bool _enableRedirection;

		private string _extensions;

		private bool _extensionsRequested;

		private object _forMessageEventQueue;

		private object _forPing;

		private object _forSend;

		private object _forState;

		private MemoryStream _fragmentsBuffer;

		private bool _fragmentsCompressed;

		private Opcode _fragmentsOpcode;

		private const string _guid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";

		private Func<WebSocketContext, string> _handshakeRequestChecker;

		private bool _ignoreExtensions;

		private bool _inContinuation;

		private volatile bool _inMessage;

		private bool _isClient;

		private bool _isSecure;

		private volatile Logger _log;

		private static readonly int _maxRetryCountForConnect;

		private Action<MessageEventArgs> _message;

		private Queue<MessageEventArgs> _messageEventQueue;

		private bool _noDelay;

		private uint _nonceCount;

		private string _origin;

		private ManualResetEvent _pongReceived;

		private bool _preAuth;

		private string _protocol;

		private string[] _protocols;

		private bool _protocolsRequested;

		private WebSocketSharp.Net.NetworkCredential _proxyCredentials;

		private Uri _proxyUri;

		private volatile WebSocketState _readyState;

		private ManualResetEvent _receivingExited;

		private int _retryCountForConnect;

		private Socket _socket;

		private ClientSslConfiguration _sslConfig;

		private Stream _stream;

		private TcpClient _tcpClient;

		private Uri _uri;

		private const string _version = "13";

		private TimeSpan _waitTime;

		internal static readonly int FragmentLength;

		internal static readonly RandomNumberGenerator RandomNumber;

		internal WebSocketSharp.Net.CookieCollection CookieCollection => _cookies;

		internal Func<WebSocketContext, string> CustomHandshakeRequestChecker
		{
			get
			{
				return _handshakeRequestChecker;
			}
			set
			{
				_handshakeRequestChecker = value;
			}
		}

		internal bool IgnoreExtensions
		{
			get
			{
				return _ignoreExtensions;
			}
			set
			{
				_ignoreExtensions = value;
			}
		}

		public CompressionMethod Compression
		{
			get
			{
				return _compression;
			}
			set
			{
				if (!_isClient)
				{
					string text = "The interface is not for the client.";
					throw new InvalidOperationException(text);
				}
				lock (_forState)
				{
					if (canSet())
					{
						_compression = value;
					}
				}
			}
		}

		public IEnumerable<WebSocketSharp.Net.Cookie> Cookies
		{
			get
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				<get_Cookies>d__68 <get_Cookies>d__ = new <get_Cookies>d__68(-2);
				<get_Cookies>d__.<>4__this = this;
				return <get_Cookies>d__;
			}
		}

		public WebSocketSharp.Net.NetworkCredential Credentials => _credentials;

		public bool EmitOnPing
		{
			get
			{
				return _emitOnPing;
			}
			set
			{
				_emitOnPing = value;
			}
		}

		public bool EnableRedirection
		{
			get
			{
				return _enableRedirection;
			}
			set
			{
				if (!_isClient)
				{
					string text = "The interface is not for the client.";
					throw new InvalidOperationException(text);
				}
				lock (_forState)
				{
					if (canSet())
					{
						_enableRedirection = value;
					}
				}
			}
		}

		public string Extensions => _extensions ?? string.Empty;

		public bool IsAlive => ping(_emptyBytes);

		public bool IsSecure => _isSecure;

		public Logger Log
		{
			get
			{
				return _log;
			}
			internal set
			{
				_log = value;
			}
		}

		public bool NoDelay
		{
			get
			{
				return _noDelay;
			}
			set
			{
				lock (_forState)
				{
					if (canSet())
					{
						_noDelay = value;
					}
				}
			}
		}

		public string Origin
		{
			get
			{
				return _origin;
			}
			set
			{
				if (!_isClient)
				{
					string text = "The interface is not for the client.";
					throw new InvalidOperationException(text);
				}
				if (!value.IsNullOrEmpty())
				{
					if (!Uri.TryCreate(value, UriKind.Absolute, out Uri result))
					{
						string text2 = "Not an absolute URI string.";
						throw new ArgumentException(text2, "value");
					}
					if (result.Segments.Length > 1)
					{
						string text3 = "It includes the path segments.";
						throw new ArgumentException(text3, "value");
					}
				}
				lock (_forState)
				{
					if (canSet())
					{
						_origin = ((!value.IsNullOrEmpty()) ? value.TrimEnd(new char[1] { '/' }) : value);
					}
				}
			}
		}

		public string Protocol
		{
			get
			{
				return _protocol ?? string.Empty;
			}
			internal set
			{
				_protocol = value;
			}
		}

		public WebSocketState ReadyState => _readyState;

		public ClientSslConfiguration SslConfiguration
		{
			get
			{
				if (!_isClient)
				{
					string text = "The interface is not for the client.";
					throw new InvalidOperationException(text);
				}
				if (!_isSecure)
				{
					string text2 = "The interface does not use a secure connection.";
					throw new InvalidOperationException(text2);
				}
				return getSslConfiguration();
			}
		}

		public Uri Url => _isClient ? _uri : _context.RequestUri;

		public TimeSpan WaitTime
		{
			get
			{
				return _waitTime;
			}
			set
			{
				if (value <= TimeSpan.Zero)
				{
					string text = "Zero or less.";
					throw new ArgumentOutOfRangeException("value", text);
				}
				lock (_forState)
				{
					if (canSet())
					{
						_waitTime = value;
					}
				}
			}
		}

		public event EventHandler<CloseEventArgs> OnClose;

		public event EventHandler<ErrorEventArgs> OnError;

		public event EventHandler<MessageEventArgs> OnMessage;

		public event EventHandler OnOpen;

		static WebSocket()
		{
			_emptyBytes = new byte[0];
			_maxRetryCountForConnect = 10;
			FragmentLength = 1016;
			RandomNumber = new RNGCryptoServiceProvider();
		}

		internal WebSocket(HttpListenerWebSocketContext context, string protocol)
		{
			_context = context;
			_protocol = protocol;
			_closeContext = context.Close;
			_isSecure = context.IsSecureConnection;
			_log = context.Log;
			_message = messages;
			_socket = context.Socket;
			_stream = context.Stream;
			_waitTime = TimeSpan.FromSeconds(1.0);
			init();
		}

		internal WebSocket(TcpListenerWebSocketContext context, string protocol)
		{
			_context = context;
			_protocol = protocol;
			_closeContext = context.Close;
			_isSecure = context.IsSecureConnection;
			_log = context.Log;
			_message = messages;
			_socket = context.Socket;
			_stream = context.Stream;
			_waitTime = TimeSpan.FromSeconds(1.0);
			init();
		}

		public WebSocket(string url, params string[] protocols)
		{
			if (url == null)
			{
				throw new ArgumentNullException("url");
			}
			if (url.Length == 0)
			{
				throw new ArgumentException("An empty string.", "url");
			}
			if (!url.TryCreateWebSocketUri(out _uri, out var text))
			{
				throw new ArgumentException(text, "url");
			}
			if (protocols != null && protocols.Length != 0)
			{
				if (!checkProtocols(protocols, out text))
				{
					throw new ArgumentException(text, "protocols");
				}
				_protocols = protocols;
			}
			_base64Key = CreateBase64Key();
			_isClient = true;
			_isSecure = _uri.Scheme == "wss";
			_log = new Logger();
			_message = messagec;
			_retryCountForConnect = -1;
			_waitTime = TimeSpan.FromSeconds(5.0);
			init();
		}

		private void abort(string reason, Exception exception)
		{
			ushort code = (ushort)((exception is WebSocketException) ? ((WebSocketException)exception).Code : 1006);
			abort(code, reason);
		}

		private void abort(ushort code, string reason)
		{
			PayloadData payloadData = new PayloadData(code, reason);
			close(payloadData, send: false, received: false);
		}

		private bool accept()
		{
			lock (_forState)
			{
				if (_readyState == WebSocketState.Open)
				{
					_log.Trace("The connection has already been established.");
					return false;
				}
				if (_readyState == WebSocketState.Closing)
				{
					_log.Error("The close process is in progress.");
					error("An error has occurred before accepting.", null);
					return false;
				}
				if (_readyState == WebSocketState.Closed)
				{
					_log.Error("The connection has been closed.");
					error("An error has occurred before accepting.", null);
					return false;
				}
				_readyState = WebSocketState.Connecting;
				bool flag = false;
				try
				{
					flag = acceptHandshake();
				}
				catch (Exception ex)
				{
					_log.Fatal(ex.Message);
					_log.Debug(ex.ToString());
					abort(1011, "An exception has occurred while accepting.");
				}
				if (!flag)
				{
					return false;
				}
				_readyState = WebSocketState.Open;
				return true;
			}
		}

		private bool acceptHandshake()
		{
			if (!checkHandshakeRequest(_context, out var text))
			{
				_log.Error(text);
				_log.Debug(_context.ToString());
				refuseHandshake(1002, "A handshake error has occurred.");
				return false;
			}
			if (!customCheckHandshakeRequest(_context, out text))
			{
				_log.Error(text);
				_log.Debug(_context.ToString());
				refuseHandshake(1002, "A handshake error has occurred.");
				return false;
			}
			_base64Key = _context.Headers["Sec-WebSocket-Key"];
			if (_protocol != null && !_context.SecWebSocketProtocols.Contains((string p) => p == _protocol))
			{
				_protocol = null;
			}
			if (!_ignoreExtensions)
			{
				string value = _context.Headers["Sec-WebSocket-Extensions"];
				processSecWebSocketExtensionsClientHeader(value);
			}
			if (_noDelay)
			{
				_socket.NoDelay = true;
			}
			createHandshakeResponse().WriteTo(_stream);
			return true;
		}

		private bool canSet()
		{
			return _readyState == WebSocketState.New || _readyState == WebSocketState.Closed;
		}

		private bool checkHandshakeRequest(WebSocketContext context, out string message)
		{
			message = null;
			if (!context.IsWebSocketRequest)
			{
				message = "Not a WebSocket handshake request.";
				return false;
			}
			NameValueCollection headers = context.Headers;
			string text = headers["Sec-WebSocket-Key"];
			if (text == null)
			{
				message = "The Sec-WebSocket-Key header is non-existent.";
				return false;
			}
			if (text.Length == 0)
			{
				message = "The Sec-WebSocket-Key header is invalid.";
				return false;
			}
			string text2 = headers["Sec-WebSocket-Version"];
			if (text2 == null)
			{
				message = "The Sec-WebSocket-Version header is non-existent.";
				return false;
			}
			if (text2 != "13")
			{
				message = "The Sec-WebSocket-Version header is invalid.";
				return false;
			}
			string text3 = headers["Sec-WebSocket-Protocol"];
			if (text3 != null && text3.Length == 0)
			{
				message = "The Sec-WebSocket-Protocol header is invalid.";
				return false;
			}
			if (!_ignoreExtensions)
			{
				string text4 = headers["Sec-WebSocket-Extensions"];
				if (text4 != null && text4.Length == 0)
				{
					message = "The Sec-WebSocket-Extensions header is invalid.";
					return false;
				}
			}
			return true;
		}

		private bool checkHandshakeResponse(HttpResponse response, out string message)
		{
			message = null;
			if (response.IsRedirect)
			{
				message = "The redirection is indicated.";
				return false;
			}
			if (response.IsUnauthorized)
			{
				message = "The authentication is required.";
				return false;
			}
			if (!response.IsWebSocketResponse)
			{
				message = "Not a WebSocket handshake response.";
				return false;
			}
			NameValueCollection headers = response.Headers;
			string text = headers["Sec-WebSocket-Accept"];
			if (text == null)
			{
				message = "The Sec-WebSocket-Accept header is non-existent.";
				return false;
			}
			if (text != CreateResponseKey(_base64Key))
			{
				message = "The Sec-WebSocket-Accept header is invalid.";
				return false;
			}
			string text2 = headers["Sec-WebSocket-Version"];
			if (text2 != null && text2 != "13")
			{
				message = "The Sec-WebSocket-Version header is invalid.";
				return false;
			}
			string subp = headers["Sec-WebSocket-Protocol"];
			if (subp == null)
			{
				if (_protocolsRequested)
				{
					message = "The Sec-WebSocket-Protocol header is non-existent.";
					return false;
				}
			}
			else if (!_protocolsRequested || subp.Length <= 0 || !_protocols.Contains((string p) => p == subp))
			{
				message = "The Sec-WebSocket-Protocol header is invalid.";
				return false;
			}
			string text3 = headers["Sec-WebSocket-Extensions"];
			if (text3 != null && !validateSecWebSocketExtensionsServerHeader(text3))
			{
				message = "The Sec-WebSocket-Extensions header is invalid.";
				return false;
			}
			return true;
		}

		private static bool checkProtocols(string[] protocols, out string message)
		{
			message = null;
			Func<string, bool> condition = (string p) => p.IsNullOrEmpty() || !p.IsToken();
			if (protocols.Contains(condition))
			{
				message = "It contains a value that is not a token.";
				return false;
			}
			if (protocols.ContainsTwice())
			{
				message = "It contains a value twice.";
				return false;
			}
			return true;
		}

		private bool checkProxyConnectResponse(HttpResponse response, out string message)
		{
			message = null;
			if (response.IsProxyAuthenticationRequired)
			{
				message = "The proxy authentication is required.";
				return false;
			}
			if (!response.IsSuccess)
			{
				message = "The proxy has failed a connection to the requested URL.";
				return false;
			}
			return true;
		}

		private bool checkReceivedFrame(WebSocketFrame frame, out string message)
		{
			message = null;
			if (frame.IsMasked)
			{
				if (_isClient)
				{
					message = "A frame from the server is masked.";
					return false;
				}
			}
			else if (!_isClient)
			{
				message = "A frame from a client is not masked.";
				return false;
			}
			if (frame.IsCompressed)
			{
				if (_compression == CompressionMethod.None)
				{
					message = "A frame is compressed without any agreement for it.";
					return false;
				}
				if (!frame.IsData)
				{
					message = "A non data frame is compressed.";
					return false;
				}
			}
			if (frame.IsData && _inContinuation)
			{
				message = "A data frame was received while receiving continuation frames.";
				return false;
			}
			if (frame.IsControl)
			{
				if (frame.Fin == Fin.More)
				{
					message = "A control frame is fragmented.";
					return false;
				}
				if (frame.PayloadLength > 125)
				{
					message = "The payload length of a control frame is greater than 125.";
					return false;
				}
			}
			if (frame.Rsv2 == Rsv.On)
			{
				message = "The RSV2 of a frame is non-zero without any negotiation for it.";
				return false;
			}
			if (frame.Rsv3 == Rsv.On)
			{
				message = "The RSV3 of a frame is non-zero without any negotiation for it.";
				return false;
			}
			return true;
		}

		private void close(ushort code, string reason)
		{
			if (_readyState == WebSocketState.Closing)
			{
				_log.Trace("The close process is already in progress.");
				return;
			}
			if (_readyState == WebSocketState.Closed)
			{
				_log.Trace("The connection has already been closed.");
				return;
			}
			if (code == 1005)
			{
				close(PayloadData.Empty, send: true, received: false);
				return;
			}
			PayloadData payloadData = new PayloadData(code, reason);
			bool flag = !code.IsReservedStatusCode();
			close(payloadData, flag, received: false);
		}

		private void close(PayloadData payloadData, bool send, bool received)
		{
			lock (_forState)
			{
				if (_readyState == WebSocketState.Closing)
				{
					_log.Trace("The close process is already in progress.");
					return;
				}
				if (_readyState == WebSocketState.Closed)
				{
					_log.Trace("The connection has already been closed.");
					return;
				}
				send = send && _readyState == WebSocketState.Open;
				_readyState = WebSocketState.Closing;
			}
			_log.Trace("Begin closing the connection.");
			bool clean = closeHandshake(payloadData, send, received);
			releaseResources();
			_log.Trace("End closing the connection.");
			_readyState = WebSocketState.Closed;
			CloseEventArgs e = new CloseEventArgs(payloadData, clean);
			try
			{
				this.OnClose.Emit(this, e);
			}
			catch (Exception ex)
			{
				_log.Error(ex.Message);
				_log.Debug(ex.ToString());
			}
		}

		private void closeAsync(ushort code, string reason)
		{
			if (_readyState == WebSocketState.Closing)
			{
				_log.Trace("The close process is already in progress.");
				return;
			}
			if (_readyState == WebSocketState.Closed)
			{
				_log.Trace("The connection has already been closed.");
				return;
			}
			if (code == 1005)
			{
				closeAsync(PayloadData.Empty, send: true, received: false);
				return;
			}
			PayloadData payloadData = new PayloadData(code, reason);
			bool flag = !code.IsReservedStatusCode();
			closeAsync(payloadData, flag, received: false);
		}

		private void closeAsync(PayloadData payloadData, bool send, bool received)
		{
			Action<PayloadData, bool, bool> closer = close;
			closer.BeginInvoke(payloadData, send, received, delegate(IAsyncResult ar)
			{
				closer.EndInvoke(ar);
			}, null);
		}

		private bool closeHandshake(PayloadData payloadData, bool send, bool received)
		{
			bool flag = false;
			if (send)
			{
				WebSocketFrame webSocketFrame = WebSocketFrame.CreateCloseFrame(payloadData, _isClient);
				byte[] bytes = webSocketFrame.ToArray();
				flag = sendBytes(bytes);
				if (_isClient)
				{
					webSocketFrame.Unmask();
				}
			}
			if (!received && flag && _receivingExited != null)
			{
				received = _receivingExited.WaitOne(_waitTime);
			}
			bool flag2 = flag && received;
			string text = $"The closing was clean? {flag2} (sent: {flag} received: {received})";
			_log.Debug(text);
			return flag2;
		}

		private bool connect()
		{
			if (_readyState == WebSocketState.Connecting)
			{
				_log.Trace("The connect process is in progress.");
				return false;
			}
			lock (_forState)
			{
				if (_readyState == WebSocketState.Open)
				{
					_log.Trace("The connection has already been established.");
					return false;
				}
				if (_readyState == WebSocketState.Closing)
				{
					_log.Error("The close process is in progress.");
					error("An error has occurred before connecting.", null);
					return false;
				}
				if (_retryCountForConnect >= _maxRetryCountForConnect)
				{
					_log.Error("An opportunity for reconnecting has been lost.");
					error("An error has occurred before connecting.", null);
					return false;
				}
				_retryCountForConnect++;
				_readyState = WebSocketState.Connecting;
				bool flag = false;
				try
				{
					flag = doHandshake();
				}
				catch (Exception ex)
				{
					_log.Fatal(ex.Message);
					_log.Debug(ex.ToString());
					abort("An exception has occurred while connecting.", ex);
				}
				if (!flag)
				{
					return false;
				}
				_retryCountForConnect = -1;
				_readyState = WebSocketState.Open;
				return true;
			}
		}

		private AuthenticationResponse createAuthenticationResponse()
		{
			if (_credentials == null)
			{
				return null;
			}
			if (_authChallenge != null)
			{
				AuthenticationResponse authenticationResponse = new AuthenticationResponse(_authChallenge, _credentials, _nonceCount);
				_nonceCount = authenticationResponse.NonceCount;
				return authenticationResponse;
			}
			return _preAuth ? new AuthenticationResponse(_credentials) : null;
		}

		private string createExtensions()
		{
			StringBuilder stringBuilder = new StringBuilder(80);
			if (_compression != 0)
			{
				string arg = _compression.ToExtensionString("server_no_context_takeover", "client_no_context_takeover");
				stringBuilder.AppendFormat("{0}, ", arg);
			}
			int length = stringBuilder.Length;
			if (length <= 2)
			{
				return null;
			}
			stringBuilder.Length = length - 2;
			return stringBuilder.ToString();
		}

		private HttpResponse createHandshakeFailureResponse()
		{
			HttpResponse httpResponse = HttpResponse.CreateCloseResponse(WebSocketSharp.Net.HttpStatusCode.BadRequest);
			httpResponse.Headers["Sec-WebSocket-Version"] = "13";
			return httpResponse;
		}

		private HttpRequest createHandshakeRequest()
		{
			HttpRequest httpRequest = HttpRequest.CreateWebSocketHandshakeRequest(_uri);
			NameValueCollection headers = httpRequest.Headers;
			headers["Sec-WebSocket-Key"] = _base64Key;
			headers["Sec-WebSocket-Version"] = "13";
			if (!_origin.IsNullOrEmpty())
			{
				headers["Origin"] = _origin;
			}
			if (_protocols != null)
			{
				headers["Sec-WebSocket-Protocol"] = _protocols.ToString(", ");
				_protocolsRequested = true;
			}
			string text = createExtensions();
			if (text != null)
			{
				headers["Sec-WebSocket-Extensions"] = text;
				_extensionsRequested = true;
			}
			AuthenticationResponse authenticationResponse = createAuthenticationResponse();
			if (authenticationResponse != null)
			{
				headers["Authorization"] = authenticationResponse.ToString();
			}
			if (_cookies.Count > 0)
			{
				httpRequest.SetCookies(_cookies);
			}
			return httpRequest;
		}

		private HttpResponse createHandshakeResponse()
		{
			HttpResponse httpResponse = HttpResponse.CreateWebSocketHandshakeResponse();
			NameValueCollection headers = httpResponse.Headers;
			headers["Sec-WebSocket-Accept"] = CreateResponseKey(_base64Key);
			if (_protocol != null)
			{
				headers["Sec-WebSocket-Protocol"] = _protocol;
			}
			if (_extensions != null)
			{
				headers["Sec-WebSocket-Extensions"] = _extensions;
			}
			if (_cookies.Count > 0)
			{
				httpResponse.SetCookies(_cookies);
			}
			return httpResponse;
		}

		private TcpClient createTcpClient(string hostname, int port)
		{
			TcpClient tcpClient = new TcpClient(hostname, port);
			if (_noDelay)
			{
				tcpClient.NoDelay = true;
			}
			return tcpClient;
		}

		private bool customCheckHandshakeRequest(WebSocketContext context, out string message)
		{
			message = null;
			if (_handshakeRequestChecker == null)
			{
				return true;
			}
			message = _handshakeRequestChecker(context);
			return message == null;
		}

		private MessageEventArgs dequeueFromMessageEventQueue()
		{
			lock (_forMessageEventQueue)
			{
				return (_messageEventQueue.Count > 0) ? _messageEventQueue.Dequeue() : null;
			}
		}

		private bool doHandshake()
		{
			setClientStream();
			HttpResponse httpResponse = sendHandshakeRequest();
			if (!checkHandshakeResponse(httpResponse, out var text))
			{
				_log.Error(text);
				_log.Debug(httpResponse.ToString());
				abort(1002, "A handshake error has occurred.");
				return false;
			}
			if (_protocolsRequested)
			{
				_protocol = httpResponse.Headers["Sec-WebSocket-Protocol"];
			}
			if (_extensionsRequested)
			{
				string text2 = httpResponse.Headers["Sec-WebSocket-Extensions"];
				if (text2 == null)
				{
					_compression = CompressionMethod.None;
				}
				else
				{
					_extensions = text2;
				}
			}
			WebSocketSharp.Net.CookieCollection cookies = httpResponse.Cookies;
			if (cookies.Count > 0)
			{
				_cookies.SetOrRemove(cookies);
			}
			return true;
		}

		private void enqueueToMessageEventQueue(MessageEventArgs e)
		{
			lock (_forMessageEventQueue)
			{
				_messageEventQueue.Enqueue(e);
			}
		}

		private void error(string message, Exception exception)
		{
			ErrorEventArgs e = new ErrorEventArgs(message, exception);
			try
			{
				this.OnError.Emit(this, e);
			}
			catch (Exception ex)
			{
				_log.Error(ex.Message);
				_log.Debug(ex.ToString());
			}
		}

		private ClientSslConfiguration getSslConfiguration()
		{
			if (_sslConfig == null)
			{
				_sslConfig = new ClientSslConfiguration(_uri.DnsSafeHost);
			}
			return _sslConfig;
		}

		private void init()
		{
			_compression = CompressionMethod.None;
			_cookies = new WebSocketSharp.Net.CookieCollection();
			_forPing = new object();
			_forSend = new object();
			_forState = new object();
			_messageEventQueue = new Queue<MessageEventArgs>();
			_forMessageEventQueue = ((ICollection)_messageEventQueue).SyncRoot;
			_readyState = WebSocketState.New;
		}

		private void message()
		{
			MessageEventArgs obj = null;
			lock (_forMessageEventQueue)
			{
				if (_inMessage || _messageEventQueue.Count == 0 || _readyState != WebSocketState.Open)
				{
					return;
				}
				obj = _messageEventQueue.Dequeue();
				_inMessage = true;
			}
			_message(obj);
		}

		private void messagec(MessageEventArgs e)
		{
			while (true)
			{
				try
				{
					this.OnMessage.Emit(this, e);
				}
				catch (Exception ex)
				{
					_log.Error(ex.Message);
					_log.Debug(ex.ToString());
					error("An exception has occurred during an OnMessage event.", ex);
				}
				lock (_forMessageEventQueue)
				{
					if (_messageEventQueue.Count == 0)
					{
						_inMessage = false;
						break;
					}
					if (_readyState != WebSocketState.Open)
					{
						_inMessage = false;
						break;
					}
					e = _messageEventQueue.Dequeue();
				}
				bool flag = true;
			}
		}

		private void messages(MessageEventArgs e)
		{
			try
			{
				this.OnMessage.Emit(this, e);
			}
			catch (Exception ex)
			{
				_log.Error(ex.Message);
				_log.Debug(ex.ToString());
				error("An exception has occurred during an OnMessage event.", ex);
			}
			lock (_forMessageEventQueue)
			{
				if (_messageEventQueue.Count == 0)
				{
					_inMessage = false;
					return;
				}
				if (_readyState != WebSocketState.Open)
				{
					_inMessage = false;
					return;
				}
				e = _messageEventQueue.Dequeue();
			}
			ThreadPool.QueueUserWorkItem(delegate
			{
				messages(e);
			});
		}

		private void open()
		{
			_inMessage = true;
			startReceiving();
			try
			{
				this.OnOpen.Emit(this, EventArgs.Empty);
			}
			catch (Exception ex)
			{
				_log.Error(ex.Message);
				_log.Debug(ex.ToString());
				error("An exception has occurred during the OnOpen event.", ex);
			}
			MessageEventArgs obj = null;
			lock (_forMessageEventQueue)
			{
				if (_messageEventQueue.Count == 0)
				{
					_inMessage = false;
					return;
				}
				if (_readyState != WebSocketState.Open)
				{
					_inMessage = false;
					return;
				}
				obj = _messageEventQueue.Dequeue();
			}
			_message.BeginInvoke(obj, delegate(IAsyncResult ar)
			{
				_message.EndInvoke(ar);
			}, null);
		}

		private bool ping(byte[] data)
		{
			if (_readyState != WebSocketState.Open)
			{
				return false;
			}
			ManualResetEvent pongReceived = _pongReceived;
			if (pongReceived == null)
			{
				return false;
			}
			lock (_forPing)
			{
				try
				{
					pongReceived.Reset();
					if (!send(Fin.Final, Opcode.Ping, data, compressed: false))
					{
						return false;
					}
					return pongReceived.WaitOne(_waitTime);
				}
				catch (ObjectDisposedException)
				{
					return false;
				}
			}
		}

		private bool processCloseFrame(WebSocketFrame frame)
		{
			PayloadData payloadData = frame.PayloadData;
			bool flag = !payloadData.HasReservedCode;
			close(payloadData, flag, received: true);
			return false;
		}

		private bool processDataFrame(WebSocketFrame frame)
		{
			MessageEventArgs e = (frame.IsCompressed ? new MessageEventArgs(frame.Opcode, frame.PayloadData.ApplicationData.Decompress(_compression)) : new MessageEventArgs(frame));
			enqueueToMessageEventQueue(e);
			return true;
		}

		private bool processFragmentFrame(WebSocketFrame frame)
		{
			if (!_inContinuation)
			{
				if (frame.IsContinuation)
				{
					return true;
				}
				_fragmentsOpcode = frame.Opcode;
				_fragmentsCompressed = frame.IsCompressed;
				_fragmentsBuffer = new MemoryStream();
				_inContinuation = true;
			}
			_fragmentsBuffer.WriteBytes(frame.PayloadData.ApplicationData, 1024);
			if (frame.IsFinal)
			{
				using (_fragmentsBuffer)
				{
					byte[] rawData = (_fragmentsCompressed ? _fragmentsBuffer.DecompressToArray(_compression) : _fragmentsBuffer.ToArray());
					MessageEventArgs e = new MessageEventArgs(_fragmentsOpcode, rawData);
					enqueueToMessageEventQueue(e);
				}
				_fragmentsBuffer = null;
				_inContinuation = false;
			}
			return true;
		}

		private bool processPingFrame(WebSocketFrame frame)
		{
			_log.Trace("A ping was received.");
			WebSocketFrame webSocketFrame = WebSocketFrame.CreatePongFrame(frame.PayloadData, _isClient);
			lock (_forState)
			{
				if (_readyState != WebSocketState.Open)
				{
					_log.Trace("A pong to this ping cannot be sent.");
					return true;
				}
				byte[] bytes = webSocketFrame.ToArray();
				if (!sendBytes(bytes))
				{
					return false;
				}
			}
			_log.Trace("A pong to this ping has been sent.");
			if (_emitOnPing)
			{
				if (_isClient)
				{
					webSocketFrame.Unmask();
				}
				MessageEventArgs e = new MessageEventArgs(frame);
				enqueueToMessageEventQueue(e);
			}
			return true;
		}

		private bool processPongFrame(WebSocketFrame frame)
		{
			_log.Trace("A pong was received.");
			try
			{
				_pongReceived.Set();
			}
			catch (NullReferenceException)
			{
				return false;
			}
			catch (ObjectDisposedException)
			{
				return false;
			}
			_log.Trace("It has been signaled.");
			return true;
		}

		private bool processReceivedFrame(WebSocketFrame frame)
		{
			if (!checkReceivedFrame(frame, out var text))
			{
				_log.Error(text);
				_log.Debug(frame.ToString(dump: false));
				abort(1002, "An error has occurred while receiving.");
				return false;
			}
			frame.Unmask();
			return frame.IsFragment ? processFragmentFrame(frame) : (frame.IsData ? processDataFrame(frame) : (frame.IsPing ? processPingFrame(frame) : (frame.IsPong ? processPongFrame(frame) : (frame.IsClose ? processCloseFrame(frame) : processUnsupportedFrame(frame)))));
		}

		private void processSecWebSocketExtensionsClientHeader(string value)
		{
			if (value == null)
			{
				return;
			}
			StringBuilder stringBuilder = new StringBuilder(80);
			bool flag = false;
			foreach (string item in value.SplitHeaderValue(','))
			{
				string text = item.Trim();
				if (text.Length != 0 && !flag && text.IsCompressionExtension(CompressionMethod.Deflate))
				{
					_compression = CompressionMethod.Deflate;
					string arg = _compression.ToExtensionString("client_no_context_takeover", "server_no_context_takeover");
					stringBuilder.AppendFormat("{0}, ", arg);
					flag = true;
				}
			}
			int length = stringBuilder.Length;
			if (length > 2)
			{
				stringBuilder.Length = length - 2;
				_extensions = stringBuilder.ToString();
			}
		}

		private bool processUnsupportedFrame(WebSocketFrame frame)
		{
			_log.Fatal("An unsupported frame was received.");
			_log.Debug(frame.ToString(dump: false));
			abort(1003, "There is no way to handle it.");
			return false;
		}

		private void refuseHandshake(ushort code, string reason)
		{
			createHandshakeFailureResponse().WriteTo(_stream);
			abort(code, reason);
		}

		private void releaseClientResources()
		{
			if (_stream != null)
			{
				_stream.Dispose();
				_stream = null;
			}
			if (_tcpClient != null)
			{
				_tcpClient.Close();
				_tcpClient = null;
			}
		}

		private void releaseCommonResources()
		{
			if (_fragmentsBuffer != null)
			{
				_fragmentsBuffer.Dispose();
				_fragmentsBuffer = null;
				_inContinuation = false;
			}
			if (_pongReceived != null)
			{
				_pongReceived.Close();
				_pongReceived = null;
			}
			if (_receivingExited != null)
			{
				_receivingExited.Close();
				_receivingExited = null;
			}
		}

		private void releaseResources()
		{
			if (_isClient)
			{
				releaseClientResources();
			}
			else
			{
				releaseServerResources();
			}
			releaseCommonResources();
		}

		private void releaseServerResources()
		{
			if (_closeContext != null)
			{
				_closeContext();
				_closeContext = null;
			}
			_stream = null;
			_context = null;
		}

		private bool send(byte[] rawFrame)
		{
			lock (_forState)
			{
				if (_readyState != WebSocketState.Open)
				{
					_log.Error("The current state of the interface is not Open.");
					return false;
				}
				return sendBytes(rawFrame);
			}
		}

		private bool send(Opcode opcode, Stream sourceStream)
		{
			lock (_forSend)
			{
				Stream stream = sourceStream;
				bool flag = false;
				bool flag2 = false;
				try
				{
					if (_compression != 0)
					{
						stream = sourceStream.Compress(_compression);
						flag = true;
					}
					flag2 = send(opcode, stream, flag);
					if (!flag2)
					{
						error("A send has failed.", null);
					}
				}
				catch (Exception ex)
				{
					_log.Error(ex.Message);
					_log.Debug(ex.ToString());
					error("An exception has occurred during a send.", ex);
				}
				finally
				{
					if (flag)
					{
						stream.Dispose();
					}
					sourceStream.Dispose();
				}
				return flag2;
			}
		}

		private bool send(Opcode opcode, Stream dataStream, bool compressed)
		{
			long length = dataStream.Length;
			if (length == 0)
			{
				return send(Fin.Final, opcode, _emptyBytes, compressed: false);
			}
			long num = length / FragmentLength;
			int num2 = (int)(length % FragmentLength);
			byte[] array = null;
			switch (num)
			{
			case 0L:
				array = new byte[num2];
				return dataStream.Read(array, 0, num2) == num2 && send(Fin.Final, opcode, array, compressed);
			case 1L:
				if (num2 == 0)
				{
					array = new byte[FragmentLength];
					return dataStream.Read(array, 0, FragmentLength) == FragmentLength && send(Fin.Final, opcode, array, compressed);
				}
				break;
			}
			array = new byte[FragmentLength];
			if (dataStream.Read(array, 0, FragmentLength) != FragmentLength || !send(Fin.More, opcode, array, compressed))
			{
				return false;
			}
			long num3 = ((num2 == 0) ? (num - 2) : (num - 1));
			for (long num4 = 0L; num4 < num3; num4++)
			{
				if (dataStream.Read(array, 0, FragmentLength) != FragmentLength || !send(Fin.More, Opcode.Cont, array, compressed: false))
				{
					return false;
				}
			}
			if (num2 == 0)
			{
				num2 = FragmentLength;
			}
			else
			{
				array = new byte[num2];
			}
			return dataStream.Read(array, 0, num2) == num2 && send(Fin.Final, Opcode.Cont, array, compressed: false);
		}

		private bool send(Fin fin, Opcode opcode, byte[] data, bool compressed)
		{
			WebSocketFrame webSocketFrame = new WebSocketFrame(fin, opcode, data, compressed, _isClient);
			byte[] rawFrame = webSocketFrame.ToArray();
			return send(rawFrame);
		}

		private void sendAsync(Opcode opcode, Stream sourceStream, Action<bool> completed)
		{
			Func<Opcode, Stream, bool> sender = send;
			sender.BeginInvoke(opcode, sourceStream, delegate(IAsyncResult ar)
			{
				try
				{
					bool obj = sender.EndInvoke(ar);
					if (completed != null)
					{
						completed(obj);
					}
				}
				catch (Exception ex)
				{
					_log.Error(ex.Message);
					_log.Debug(ex.ToString());
					error("An exception has occurred during the callback for an async send.", ex);
				}
			}, null);
		}

		private bool sendBytes(byte[] bytes)
		{
			try
			{
				_stream.Write(bytes, 0, bytes.Length);
			}
			catch (Exception ex)
			{
				_log.Error(ex.Message);
				_log.Debug(ex.ToString());
				return false;
			}
			return true;
		}

		private HttpResponse sendHandshakeRequest()
		{
			HttpRequest httpRequest = createHandshakeRequest();
			int millisecondsTimeout = 90000;
			HttpResponse response = httpRequest.GetResponse(_stream, millisecondsTimeout);
			if (response.IsUnauthorized)
			{
				string value = response.Headers["WWW-Authenticate"];
				if (value.IsNullOrEmpty())
				{
					_log.Debug("No authentication challenge is specified.");
					return response;
				}
				AuthenticationChallenge authenticationChallenge = AuthenticationChallenge.Parse(value);
				if (authenticationChallenge == null)
				{
					_log.Debug("An invalid authentication challenge is specified.");
					return response;
				}
				_authChallenge = authenticationChallenge;
				if (_credentials == null)
				{
					return response;
				}
				AuthenticationResponse authenticationResponse = new AuthenticationResponse(_authChallenge, _credentials, _nonceCount);
				_nonceCount = authenticationResponse.NonceCount;
				httpRequest.Headers["Authorization"] = authenticationResponse.ToString();
				if (response.CloseConnection)
				{
					releaseClientResources();
					setClientStream();
				}
				millisecondsTimeout = 15000;
				response = httpRequest.GetResponse(_stream, millisecondsTimeout);
			}
			if (response.IsRedirect)
			{
				if (!_enableRedirection)
				{
					return response;
				}
				string text = response.Headers["Location"];
				if (text.IsNullOrEmpty())
				{
					_log.Debug("No URL to redirect is located.");
					return response;
				}
				if (!text.TryCreateWebSocketUri(out var result, out var _))
				{
					_log.Debug("An invalid URL to redirect is located.");
					return response;
				}
				releaseClientResources();
				_uri = result;
				_isSecure = result.Scheme == "wss";
				setClientStream();
				return sendHandshakeRequest();
			}
			return response;
		}

		private HttpResponse sendProxyConnectRequest()
		{
			HttpRequest httpRequest = HttpRequest.CreateConnectRequest(_uri);
			int millisecondsTimeout = 90000;
			HttpResponse response = httpRequest.GetResponse(_stream, millisecondsTimeout);
			if (response.IsProxyAuthenticationRequired)
			{
				if (_proxyCredentials == null)
				{
					return response;
				}
				string value = response.Headers["Proxy-Authenticate"];
				if (value.IsNullOrEmpty())
				{
					_log.Debug("No proxy authentication challenge is specified.");
					return response;
				}
				AuthenticationChallenge authenticationChallenge = AuthenticationChallenge.Parse(value);
				if (authenticationChallenge == null)
				{
					_log.Debug("An invalid proxy authentication challenge is specified.");
					return response;
				}
				AuthenticationResponse authenticationResponse = new AuthenticationResponse(authenticationChallenge, _proxyCredential