Merged enix's fix (THX enix) and made a little change (because close method dose not work).

websocket-sharp.sln

@@ -5,6 +5,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "websocket-sharp", "websocke
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "wsclient", "wsclient\wsclient.csproj", "{52805AEC-EFB1-4F42-BB8E-3ED4E692C568}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "wsclient1", "wsclient1\wsclient1.csproj", "{B0B609B7-A81C-46B0-A9B8-82E9716D355B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,14 @@ Global
 		{52805AEC-EFB1-4F42-BB8E-3ED4E692C568}.Release_Ubuntu|Any CPU.Build.0 = Release_Ubuntu|Any CPU
 		{52805AEC-EFB1-4F42-BB8E-3ED4E692C568}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{52805AEC-EFB1-4F42-BB8E-3ED4E692C568}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Debug_Ubuntu|Any CPU.ActiveCfg = Debug_Ubuntu|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Debug_Ubuntu|Any CPU.Build.0 = Debug_Ubuntu|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Release_Ubuntu|Any CPU.ActiveCfg = Release_Ubuntu|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Release_Ubuntu|Any CPU.Build.0 = Release_Ubuntu|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B0B609B7-A81C-46B0-A9B8-82E9716D355B}.Release|Any CPU.Build.0 = Release|Any CPU
 		{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Debug_Ubuntu|Any CPU.ActiveCfg = Debug_Ubuntu|Any CPU
 		{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Debug_Ubuntu|Any CPU.Build.0 = Debug_Ubuntu|Any CPU
 		{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU

websocket-sharp.userprefs

@@ -1,8 +1,8 @@
 <Properties>
-  <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug_Ubuntu" ctype="Workspace" />
+  <MonoDevelop.Ide.Workspace ActiveConfiguration="Release" ctype="Workspace" />
   <MonoDevelop.Ide.Workbench ActiveDocument="websocket-sharp/WebSocket.cs" ctype="Workbench">
     <Files>
-      <File FileName="websocket-sharp/WebSocket.cs" Line="247" Column="31" />
+      <File FileName="websocket-sharp/WebSocket.cs" Line="80" Column="19" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>

websocket-sharp/AssemblyInfo.cs

@@ -17,7 +17,7 @@ using System.Runtime.CompilerServices;
 // The form "{Major}.{Minor}.*" will automatically update the build and revision,
 // and "{Major}.{Minor}.{Build}.*" will update just the revision.
 
-[assembly: AssemblyVersion("0.9.9.*")]
+[assembly: AssemblyVersion("1.0.0.*")]
 
 // The following attributes are used to specify the signing key for the assembly, 
 // if desired. See the Mono documentation for more information about signing.

websocket-sharp/Ext.cs

@@ -28,11 +28,28 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace WebSocketSharp
 {
   public static class Ext
   {
+    public static bool AreNotEqualDo(
+      this string expected,
+      string actual,
+      Func<string, string, string> func,
+      out string ret)
+    {
+      if (expected != actual)
+      {
+        ret = func(expected, actual);
+        return true;
+      }
+
+      ret = String.Empty;
+      return false;
+    }
+
     public static bool EqualsWithSaveTo(this int asByte, char c, List<byte> dist)
     {
       byte b = (byte)asByte;
@@ -40,11 +57,98 @@ namespace WebSocketSharp
       return b == Convert.ToByte(c);
     }
 
-    public static void NotEqualsDo(this string expected, string actual, Action<string, string> act)
+    public static uint GenerateKey(this Random rand, int space)
     {
-      if (expected != actual)
+      uint max = (uint)(0xffffffff / space);
+
+      int upper16 = (int)((max & 0xffff0000) >> 16);
+      int lower16 = (int)(max & 0x0000ffff);
+
+      return ((uint)rand.Next(upper16 + 1) << 16) + (uint)rand.Next(lower16 + 1);
+    }
+
+    public static char GeneratePrintableASCIIwithoutSPandNum(this Random rand)
     {
-        act(expected, actual);
+        int ascii = rand.Next(2) == 0 ? rand.Next(33, 48) : rand.Next(58, 127);
+        return Convert.ToChar(ascii);
+    }
+
+    public static string GenerateSecKey(this Random rand, out uint key)
+    {
+      int space = rand.Next(1, 13);
+      int ascii = rand.Next(1, 13);
+
+      key = rand.GenerateKey(space);
+
+      long mKey = key * space;
+      List<char> secKey = new List<char>(mKey.ToString().ToCharArray());
+
+      int i;
+      ascii.Times( () =>
+      {
+        i = rand.Next(secKey.Count + 1);
+        secKey.Insert(i, rand.GeneratePrintableASCIIwithoutSPandNum());
+      } );
+
+      space.Times( () =>
+      {
+        i = rand.Next(1, secKey.Count);
+        secKey.Insert(i, ' ');
+      } );
+
+      return new String(secKey.ToArray());
+    }
+
+    public static byte[] InitializeWithPrintableASCII(this byte[] bytes, Random rand)
+    {
+      for (int i = 0; i < bytes.Length; i++)  
+      {  
+        bytes[i] = (byte)rand.Next(32, 127);
+      }  
+  
+      return bytes;  
+    }
+
+    public static bool IsValid(this string[] response, byte[] expectedCR, byte[] actualCR, out string message)
+    {
+      string expectedCRtoHexStr = BitConverter.ToString(expectedCR);
+      string actualCRtoHexStr = BitConverter.ToString(actualCR);
+
+      Func<string, Func<string, string, string>> func = s =>
+      {
+        return (e, a) =>
+        {
+#if DEBUG
+          Console.WriteLine("WS: Error @IsValid: Invalid {0} response.", s);
+          Console.WriteLine("  expected: {0}", e);
+          Console.WriteLine("  actual  : {0}", a);
+#endif
+          return String.Format("Invalid {0} response: {1}", s, a);
+        };
+      };
+
+      Func<string, string, string> func1 = func("handshake");
+      Func<string, string, string> func2 = func("challenge");
+
+      string msg;
+      if ("HTTP/1.1 101 WebSocket Protocol Handshake".AreNotEqualDo(response[0], func1, out msg) ||
+          "Upgrade: WebSocket".AreNotEqualDo(response[1], func1, out msg) ||
+          "Connection: Upgrade".AreNotEqualDo(response[2], func1, out msg) ||
+          expectedCRtoHexStr.AreNotEqualDo(actualCRtoHexStr, func2, out msg))
+      {
+        message = msg;
+        return false;
+      }
+
+      message = String.Empty;
+      return true;
+    }
+
+    public static void Times(this int n, Action act)
+    {
+      for (int i = 0; i < n; i++)
+      {
+        act();
       }
     }
   }

websocket-sharp/WebSocket.cs

@@ -33,11 +33,13 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Net;
 using System.Net.Security;
 using System.Net.Sockets;
 using System.Text;
 using System.Threading;
+using System.Security.Cryptography;
 
 namespace WebSocketSharp
 {
@@ -51,6 +53,8 @@ namespace WebSocketSharp
       get { return uri.ToString(); }
     }
 
+    private Object sync = new Object();
+
     private volatile WsState readyState;
     public WsState ReadyState
     {
@@ -61,17 +65,18 @@ namespace WebSocketSharp
         switch (value)
         {
           case WsState.OPEN:
+            readyState = value;
             if (OnOpen != null)
             {
               OnOpen(this, EventArgs.Empty);
             }
-            goto default;
+            break;
           case WsState.CLOSING:
           case WsState.CLOSED:
+            lock(sync)
+            {
               close(value);
-            break;
+            }
-          default:
-            readyState = value;
             break;
         }
       }
@@ -127,8 +132,41 @@ namespace WebSocketSharp
       this.protocol = protocol;
     }
 
+    public WebSocket(
+      string url,
+      EventHandler onOpen,
+      MessageEventHandler onMessage,
+      MessageEventHandler onError,
+      EventHandler onClose)
+      : this(url, String.Empty, onOpen, onMessage, onError, onClose)
+    {
+    }
+
+    public WebSocket(
+      string url,
+      string protocol,
+      EventHandler onOpen,
+      MessageEventHandler onMessage,
+      MessageEventHandler onError,
+      EventHandler onClose)
+      : this(url, protocol)
+    {
+      this.OnOpen += onOpen;
+      this.OnMessage += onMessage;
+      this.OnError += onError;
+      this.OnClose += onClose;
+      
+      Connect();
+    }
+
     public void Connect()
     {
+      if (readyState == WsState.OPEN)
+      {
+        Console.WriteLine("WS: Info @Connect: Connection is already established.");
+        return;
+      }
+
       createConnection();
       doHandshake();
 
@@ -246,30 +284,12 @@ namespace WebSocketSharp
 
     private void doHandshake()
     {
-      string request = createOpeningHandshake();
+      byte[] expectedCR, actualCR;
+      string request = createOpeningHandshake(out expectedCR);
 #if DEBUG
       Console.WriteLine("WS: Info @doHandshake: Handshake from client: \n{0}", request);
 #endif
-      byte[] sendBuffer = Encoding.UTF8.GetBytes(request);
+      string[] response = sendOpeningHandshake(request, out actualCR);
-      wsStream.Write(sendBuffer, 0, sendBuffer.Length);
-
-      string[] response;
-      List<byte> rawdata = new List<byte>();
-
-      while (true)
-      {
-        if (wsStream.ReadByte().EqualsWithSaveTo('\r', rawdata) &&
-            wsStream.ReadByte().EqualsWithSaveTo('\n', rawdata) &&
-            wsStream.ReadByte().EqualsWithSaveTo('\r', rawdata) &&
-            wsStream.ReadByte().EqualsWithSaveTo('\n', rawdata))
-        {
-          break;
-        }
-      }
-
-      response = Encoding.UTF8.GetString(rawdata.ToArray())
-        .Replace("\r\n", "\n").Replace("\n\n", "\n")
-        .Split('\n');
 #if DEBUG
       Console.WriteLine("WS: Info @doHandshake: Handshake from server:");
       foreach (string s in response)
@@ -277,18 +297,15 @@ namespace WebSocketSharp
         Console.WriteLine("{0}", s);
       }
 #endif
-      Action<string, string> act = (e, a) =>
+      string msg;
+      if (!(response.IsValid(expectedCR, actualCR, out msg)))
       {
-        throw new IOException("Invalid handshake response: " + a);
+        throw new IOException(msg);
-      };
+      }
-
-      "HTTP/1.1 101 Web Socket Protocol Handshake".NotEqualsDo(response[0], act);
-      "Upgrade: WebSocket".NotEqualsDo(response[1], act);
-      "Connection: Upgrade".NotEqualsDo(response[2], act);
 
       for (int i = 3; i < response.Length; i++)
       {
-        if (response[i].Contains("WebSocket-Protocol:"))
+        if (response[i].Contains("Sec-WebSocket-Protocol:"))
         {
           int j = response[i].IndexOf(":");
           protocol = response[i].Substring(j + 1).Trim();
@@ -301,7 +318,7 @@ namespace WebSocketSharp
       ReadyState = WsState.OPEN;
     }
 
-    private string createOpeningHandshake()
+    private string createOpeningHandshake(out byte[] expectedCR)
     {
       string path = uri.PathAndQuery;
       string host = uri.DnsSafeHost;
@@ -314,16 +331,73 @@ namespace WebSocketSharp
       }
 
       string subProtocol = protocol != String.Empty
-                           ? String.Format("WebSocket-Protocol: {0}\r\n", protocol)
+                           ? String.Format("Sec-WebSocket-Protocol: {0}\r\n", protocol)
                            : protocol;
 
+      Random rand = new Random();
+
+      uint key1, key2;
+      string secKey1 = rand.GenerateSecKey(out key1);
+      string secKey2 = rand.GenerateSecKey(out key2);
+
+      byte[] key3 = new byte[8].InitializeWithPrintableASCII(rand);
+
+      string secKeys = "Sec-WebSocket-Key1: {0}\r\n" +
+                       "Sec-WebSocket-Key2: {1}\r\n";
+      secKeys = String.Format(secKeys, secKey1, secKey2);
+
+      string key3ToAscii = Encoding.ASCII.GetString(key3);
+
+      expectedCR = createExpectedCR(key1, key2, key3);
+
       return "GET " + path + " HTTP/1.1\r\n" +
              "Upgrade: WebSocket\r\n" +
              "Connection: Upgrade\r\n" +
              subProtocol +
              "Host: " + host + "\r\n" +
              "Origin: " + origin + "\r\n" +
-             "\r\n";
+             secKeys +
+             "\r\n" +
+             key3ToAscii;
+    }
+
+    private byte[] createExpectedCR(uint key1, uint key2, byte[] key3)
+    {
+      byte[] key1Bytes = BitConverter.GetBytes(key1);
+      byte[] key2Bytes = BitConverter.GetBytes(key2);
+
+      Array.Reverse(key1Bytes);
+      Array.Reverse(key2Bytes);
+
+      byte[] concatKeys = key1Bytes.Concat(key2Bytes).Concat(key3).ToArray();
+
+      MD5 md5 = MD5.Create();
+      return md5.ComputeHash(concatKeys);
+    }
+
+    private string[] sendOpeningHandshake(string openingHandshake, out byte[] challengeResponse)
+    {
+      challengeResponse = new byte[16];
+      List<byte> rawdata = new List<byte>();
+
+      byte[] sendBuffer = Encoding.UTF8.GetBytes(openingHandshake);
+      wsStream.Write(sendBuffer, 0, sendBuffer.Length);
+
+      while (true)
+      {
+        if (wsStream.ReadByte().EqualsWithSaveTo('\r', rawdata) &&
+            wsStream.ReadByte().EqualsWithSaveTo('\n', rawdata) &&
+            wsStream.ReadByte().EqualsWithSaveTo('\r', rawdata) &&
+            wsStream.ReadByte().EqualsWithSaveTo('\n', rawdata))
+        {
+          wsStream.Read(challengeResponse, 0, challengeResponse.Length);
+          break;
+        }
+      }
+
+      return Encoding.UTF8.GetString(rawdata.ToArray())
+             .Replace("\r\n", "\n").Replace("\n\n", "\n")
+             .Split('\n');
     }
 
     private void message()

wsclient/wsclient.cs

@@ -14,11 +14,11 @@ namespace Example
       //using (WebSocket ws = new WebSocket("ws://localhost:8000/"))
       using (WebSocket ws = new WebSocket("ws://localhost:8000/", "chat"))
       {
-        /*ws.OnOpen += (o, e) =>
+        ws.OnOpen += (o, e) =>
         {
-          //Do something.
+          ws.Send("Hi, all!");
         };
-         */
+
         ws.OnMessage += (o, s) =>
         {
 #if NOTIFY

wsclient1/AssemblyInfo.cs

@@ -0,0 +1,27 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+// Information about this assembly is defined by the following attributes. 
+// Change them to the values specific to your project.
+
+[assembly: AssemblyTitle("wsclient1")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
+// The form "{Major}.{Minor}.*" will automatically update the build and revision,
+// and "{Major}.{Minor}.{Build}.*" will update just the revision.
+
+[assembly: AssemblyVersion("1.0.*")]
+
+// The following attributes are used to specify the signing key for the assembly, 
+// if desired. See the Mono documentation for more information about signing.
+
+//[assembly: AssemblyDelaySign(false)]
+//[assembly: AssemblyKeyFile("")]
+

wsclient1/wsclient1.cs

@@ -0,0 +1,65 @@
+#if NOTIFY
+using Notifications;
+#endif
+using System;
+using System.Threading;
+using WebSocketSharp;
+
+namespace Example
+{
+  public class Program
+  {
+    public static void Main(string[] args)
+    {
+      EventHandler onOpen = (o, e) =>
+      {
+        Console.WriteLine("[WebSocket] Opened.");
+      };
+
+      MessageEventHandler onMessage = (o, s) =>
+      {
+#if NOTIFY
+        Notification nf = new Notification("[WebSocket] Message",
+                                           s,
+                                           "notification-message-im");
+        nf.AddHint("append", "allowed");
+        nf.Show();
+#else
+        Console.WriteLine("[WebSocket] Message: {0}", s);
+#endif
+      };
+
+      MessageEventHandler onError = (o, s) =>
+      {
+        Console.WriteLine("[WebSocket] Error  : {0}", s);
+      };
+
+      EventHandler onClose = (o, e) =>
+      {
+        Console.WriteLine("[WebSocket] Closed.");
+      };
+
+      //using (WebSocket ws = new WebSocket("ws://localhost:8000/", onOpen, onMessage, onError, onClose))
+      using (WebSocket ws = new WebSocket("ws://localhost:8000/", "chat", onOpen, onMessage, onError, onClose))
+      {
+        Thread.Sleep(500);
+        Console.WriteLine("\nType \"exit\" to exit.\n");
+
+        string data;
+        while (true)
+        {
+          Thread.Sleep(500);
+
+          Console.Write("> ");
+          data = Console.ReadLine();
+          if (data == "exit")
+          {
+            break;
+          }
+
+          ws.Send(data);
+        }
+      }
+    }
+  }
+}

wsclient1/wsclient1.csproj

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{B0B609B7-A81C-46B0-A9B8-82E9716D355B}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>wsclient1</RootNamespace>
+    <AssemblyName>wsclient1</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Externalconsole>true</Externalconsole>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Externalconsole>true</Externalconsole>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug_Ubuntu|AnyCPU' ">
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug_Ubuntu</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <DebugSymbols>true</DebugSymbols>
+    <Externalconsole>true</Externalconsole>
+    <DefineConstants>DEBUG,NOTIFY</DefineConstants>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release_Ubuntu|AnyCPU' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Release_Ubuntu</OutputPath>
+    <DefineConstants>NOTIFY</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Externalconsole>true</Externalconsole>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="notify-sharp, Version=0.4.0.0, Culture=neutral, PublicKeyToken=2df29c54e245917a">
+      <Package>notify-sharp</Package>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="wsclient1.cs" />
+    <Compile Include="AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\websocket-sharp\websocket-sharp.csproj">
+      <Project>{B357BAC7-529E-4D81-A0D2-71041B19C8DE}</Project>
+      <Name>websocket-sharp</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+</Project>