Adding client for .net 3.5

SignalR.Client.Net35/IObserver.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SignalR.Client
+{
+	public interface IObserver<T>
+	{
+		void OnCompleted();
+		void OnError(Exception exception);
+		void OnNext(T value);
+	}
+
+	public interface IObservable<T>
+	{
+	}
+}

SignalR.Client.Net35/Properties/AssemblyInfo.cs

@@ -0,0 +1,4 @@
+using System.Reflection;
+
+[assembly: AssemblyTitle("SignalR.Client.Net35")]
+[assembly: AssemblyDescription(".NET 3.5 client for SignalR")]

SignalR.Client.Net35/Properties/SignalR.Client.Net35.nuspec

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<package>
+  <metadata>
+    <id>$id$</id>
+    <version>$version$</version>
+    <authors>$author$</authors>
+    <description>$description$</description>
+    <licenseUrl>https://github.com/SignalR/SignalR/blob/master/LICENSE.md</licenseUrl>
+    <projectUrl>https://github.com/SignalR/SignalR</projectUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+  </metadata>
+</package>

SignalR.Client.Net35/Properties/VersionInfo.cs

@@ -0,0 +1,3 @@
+using System.Reflection;
+
+[assembly: AssemblyVersion("0.5.1.0")]

SignalR.Client.Net35/SignalR.Client.Net35.csproj

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{42DE29B3-67CA-4003-A4F6-CA4F21C8991C}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>SignalR.Client.Net35</RootNamespace>
+    <AssemblyName>SignalR.Client.Net35</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
+    <RestorePackages>true</RestorePackages>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>TRACE;DEBUG;NET35</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE;NET35</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\packages\Newtonsoft.Json.4.5.6\lib\net35\Newtonsoft.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Threading.Tasks.NET35">
+      <HintPath>..\packages\System.Threading.Tasks.3.0.1\lib\net35\System.Threading.Tasks.NET35.dll</HintPath>
+      <Aliases>global</Aliases>
+    </Reference>
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Common\CommonAssemblyInfo.cs">
+      <Link>Properties\CommonAssemblyInfo.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Connection.cs">
+      <Link>Connection.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\ConnectionExtensions.cs">
+      <Link>ConnectionExtensions.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\ConnectionState.cs">
+      <Link>ConnectionState.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\DefaultHttpClient.cs">
+      <Link>Http\DefaultHttpClient.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\HttpHelper.cs">
+      <Link>Http\HttpHelper.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\HttpWebRequestWrapper.cs">
+      <Link>Http\HttpWebRequestWrapper.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\HttpWebResponseWrapper.cs">
+      <Link>Http\HttpWebResponseWrapper.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\IHttpClient.cs">
+      <Link>Http\IHttpClient.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\IHttpClientExtensions.cs">
+      <Link>Http\IHttpClientExtensions.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\IRequest.cs">
+      <Link>Http\IRequest.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Http\IResponse.cs">
+      <Link>Http\IResponse.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubConnection.cs">
+      <Link>Hubs\HubConnection.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubInvocation.cs">
+      <Link>Hubs\HubInvocation.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubProxy.cs">
+      <Link>Hubs\HubProxy.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubProxyExtensions.cs">
+      <Link>Hubs\HubProxyExtensions.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubRegistrationData.cs">
+      <Link>Hubs\HubRegistrationData.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\HubResult.cs">
+      <Link>Hubs\HubResult.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\Hubservable.cs">
+      <Link>Hubs\Hubservable.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\IHubProxy.cs">
+      <Link>Hubs\IHubProxy.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Hubs\Subscription.cs">
+      <Link>Hubs\Subscription.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\IConnection.cs">
+      <Link>IConnection.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Infrastructure\ChunkBuffer.cs">
+      <Link>Infrastructure\ChunkBuffer.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Infrastructure\DisposableAction.cs">
+      <Link>Infrastructure\DisposableAction.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Infrastructure\StreamExtensions.cs">
+      <Link>Infrastructure\StreamExtensions.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\NegotiationResponse.cs">
+      <Link>NegotiationResponse.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\ObservableConnection.cs">
+      <Link>ObservableConnection.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Transports\AutoTransport.cs">
+      <Link>Transports\AutoTransport.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Transports\HttpBasedTransport.cs">
+      <Link>Transports\HttpBasedTransport.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Transports\IClientTransport.cs">
+      <Link>Transports\IClientTransport.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Transports\LongPollingTransport.cs">
+      <Link>Transports\LongPollingTransport.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Client\Transports\ServerSentEventsTransport.cs">
+      <Link>Transports\ServerSentEventsTransport.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR.Hosting.Common\Infrastructure\UriQueryUtility.cs">
+      <Link>Infrastructure\UriQueryUtility.cs</Link>
+    </Compile>
+    <Compile Include="..\SignalR\TaskAsyncHelper.cs">
+      <Link>Infrastructure\TaskAsyncHelper.cs</Link>
+    </Compile>
+    <Compile Include="IObserver.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Properties\VersionInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+    <None Include="Properties\SignalR.Client.Net35.nuspec">
+      <SubType>Designer</SubType>
+    </None>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="$(SolutionDir)\.nuget\nuget.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

SignalR.Client.Net35/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Newtonsoft.Json" version="4.5.6" />
+  <package id="System.Threading.Tasks" version="3.0.1" />
+</packages>

SignalR.Client/Connection.cs

@@ -408,7 +408,7 @@ private static string CreateUserAgentString(string client)
 
         private static bool TryParseVersion(string versionString, out Version version)
         {
-#if WINDOWS_PHONE
+#if WINDOWS_PHONE || NET35
             try
             {
                 version = new Version(versionString);

SignalR.Client/Http/HttpHelper.cs

@@ -88,7 +88,11 @@ public static string ReadAsString(this HttpWebResponse response)
             }
             catch (Exception ex)
             {
-                Debug.WriteLine("Failed to read resonse: {0}", ex);
+#if NET35
+                Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "Failed to read response: {0}", ex));
+#else
+                Debug.WriteLine("Failed to read response: {0}", ex);
+#endif
                 // Swallow exceptions when reading the response stream and just try again.
                 return null;
             }

SignalR.Client/Hubs/HubProxy.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-#if !WINDOWS_PHONE
+#if !WINDOWS_PHONE && !NET35
 using System.Dynamic;
 #endif
 using System.Threading.Tasks;
@@ -9,7 +9,7 @@
 namespace SignalR.Client.Hubs
 {
     public class HubProxy :
-#if !WINDOWS_PHONE
+#if !WINDOWS_PHONE && !NET35
  DynamicObject,
 #endif
  IHubProxy
@@ -101,7 +101,7 @@ public Task<T> Invoke<T>(string method, params object[] args)
             });
         }
 
-#if !WINDOWS_PHONE
+#if !WINDOWS_PHONE && !NET35
         public override bool TrySetMember(SetMemberBinder binder, object value)
         {
             _state[binder.Name] = value;

SignalR.Client/Hubs/HubProxyExtensions.cs

@@ -133,7 +133,7 @@ public static IDisposable On<T1, T2, T3, T4>(this IHubProxy proxy, string eventN
             return new DisposableAction(() => subscription.Data -= handler);
         }
 
-#if !WINDOWS_PHONE && !SILVERLIGHT
+#if !WINDOWS_PHONE && !SILVERLIGHT && !NET35
         /// <summary>
         /// Registers for an event with the specified name and callback
         /// </summary>

SignalR.Client/Transports/AutoTransport.cs

@@ -50,7 +50,11 @@ private void ResolveTransport(IConnection connection, CancellationToken cancella
 #if !WINDOWS_PHONE && !SILVERLIGHT && !NETFX_CORE
                     Trace.TraceError("SignalR exception thrown by Task: {0}", ex);
 #endif
+#if NET35
+                    Debug.WriteLine(System.String.Format(System.Globalization.CultureInfo.InvariantCulture, "Auto: Failed to connect to using transport {0}", (object)transport.GetType().Name));
+#else
                     Debug.WriteLine("Auto: Failed to connect to using transport {0}", (object)transport.GetType().Name);
+#endif
 
                     // If that transport fails to initialize then fallback
                     var next = index + 1;

SignalR.Client/Transports/HttpBasedTransport.cs

@@ -226,7 +226,12 @@ protected static void ProcessResponse(IConnection connection, string response, o
                         }
                         catch (Exception ex)
                         {
+#if NET35
+                            Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "Failed to process message: {0}", ex));
+#else
                             Debug.WriteLine("Failed to process message: {0}", ex);
+#endif
+
                             connection.OnError(ex);
                         }
                     }
@@ -247,7 +252,11 @@ protected static void ProcessResponse(IConnection connection, string response, o
             }
             catch (Exception ex)
             {
+#if NET35
+                Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "Failed to response: {0}", ex));
+#else
                 Debug.WriteLine("Failed to response: {0}", ex);
+#endif
                 connection.OnError(ex);
             }
         }

SignalR.Client/Transports/LongPollingTransport.cs

@@ -51,7 +51,11 @@ private void PollingLoop(IConnection connection, string data, Action initializeC
 
             url += GetReceiveQueryString(connection, data);
 
+#if NET35
+            Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "LP: {0}", (object)url));
+#else
             Debug.WriteLine("LP: {0}", (object)url);
+#endif
 
             _httpClient.PostAsync(url, PrepareRequest(connection)).ContinueWith(task =>
             {
@@ -75,7 +79,11 @@ private void PollingLoop(IConnection connection, string data, Action initializeC
                         // Get the response
                         var raw = task.Result.ReadAsString();
 
+#if NET35
+                        Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "LP Receive: {0}", (object)raw));
+#else
                         Debug.WriteLine("LP Receive: {0}", (object)raw);
+#endif
 
                         ProcessResponse(connection, raw, out shouldRaiseReconnect, out disconnectedReceived);
                     }

SignalR.Client/Transports/ServerSentEvents/ChunkBuffer.cs

@@ -38,7 +38,7 @@ public string ReadLine()
                     _buffer.Remove(0, _offset + 1);
 
                     string line = _lineBuilder.ToString();
-#if WINDOWS_PHONE
+#if WINDOWS_PHONE || NET35
                     _lineBuilder.Length = 0;
 #else
                     _lineBuilder.Clear();

SignalR.Client/Transports/ServerSentEventsTransport.cs

@@ -59,7 +59,11 @@ private void OpenConnection(IConnection connection, string data, Action initiali
 
             Action<IRequest> prepareRequest = PrepareRequest(connection);
 
+#if NET35
+            Debug.WriteLine(String.Format(System.Globalization.CultureInfo.InvariantCulture, "SSE: GET {0}", (object)url));
+#else
             Debug.WriteLine("SSE: GET {0}", (object)url);
+#endif
 
             _httpClient.GetAsync(url, request =>
             {