https://github.com/shadowsocks/shadowsocks-windows/issues/399

shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs

@@ -123,7 +123,7 @@ namespace Shadowsocks.Controller
         {
             Logging.Debug("Ping " + server.FriendlyName());
             if (server.server == "") return null;
-            var IP = Dns.GetHostAddresses(server.server).First(ip => ip.AddressFamily == AddressFamily.InterNetwork);
+            var IP = Dns.GetHostAddresses(server.server).First(ip => (ip.AddressFamily == AddressFamily.InterNetwork || ip.AddressFamily == AddressFamily.InterNetworkV6));
             var ping = new Ping();
             var ret = new List<DataList>();
             foreach (

shadowsocks-csharp/packages.config

@@ -5,5 +5,7 @@
   <package id="Microsoft.Bcl" version="1.1.8" targetFramework="net4-client" />
   <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net4-client" />
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net4-client" />
+  <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net4-client" />
   <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net4-client" />
+  <package id="System.Net.Http" version="2.0.20710.0" targetFramework="net4-client" />
 </packages>

shadowsocks-csharp/shadowsocks-csharp.csproj

@@ -96,7 +96,14 @@
       <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
     <Reference Include="System.Net" />
-    <Reference Include="System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+    <Reference Include="System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>3rd\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.WebRequest, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>3rd\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Runtime, Version=2.6.8.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>3rd\Microsoft.Bcl.1.1.8\lib\net40\System.Runtime.dll</HintPath>
       <Private>True</Private>
@@ -184,7 +191,7 @@
     <Compile Include="Encryption\EncryptorBase.cs" />
     <Compile Include="Encryption\EncryptorFactory.cs" />
     <Compile Include="Encryption\IVEncryptor.cs" />
-	<Compile Include="Encryption\MbedTLS.cs" />
+    <Compile Include="Encryption\MbedTLS.cs" />
     <Compile Include="Encryption\PolarSSL.cs" />
     <Compile Include="Encryption\PolarSSLEncryptor.cs" />
     <Compile Include="Encryption\Sodium.cs" />

test/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net45" />
+  <package id="System.Net.Http" version="2.0.20710.0" targetFramework="net45" />
+</packages>

test/test.csproj

@@ -31,6 +31,8 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <Choose>
     <When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
@@ -54,6 +56,9 @@
       <Name>shadowsocks-csharp</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Choose>
     <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
       <ItemGroup>