Moving shared default between winHttp & Unix Handler to a seperate common file

Author: rajansingh10

src/Common/src/System/Net/Http/HttpHandlerDefaults.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace System.Net.Http
+{
+    /// <summary>
+    /// Defines default values for http handler properties which is meant to be re-used across WinHttp & UnixHttp Handlers
+    /// </summary>
+    internal static class HttpHandlerDefaults
+    {
+        public const int DefaultMaxAutomaticRedirections = 50;
+        public const DecompressionMethods DefaultAutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
+        public const bool DefaultAutomaticRedirection = true;
+    }
+}

src/System.Net.Http.WinHttpHandler/src/System.Net.Http.WinHttpHandler.msbuild

@@ -13,6 +13,7 @@
     <CompileItem Include="$(CommonPath)\Interop\Windows\winhttp\Interop.winhttp_types.cs" />
     <CompileItem Include="$(CommonPath)\Interop\Windows\winhttp\Interop.winhttp.cs" />
     <CompileItem Include="$(CommonPath)\Microsoft\Win32\SafeHandles\SafeHandleZeroOrMinusOneIsInvalid.cs" />
+    <CompileItem Include="$(CommonPath)\System\Net\Http\HttpHandlerDefaults.cs" />
     <CompileItem Include="$(MSBuildThisFileDirectory)\System\Net\Http\CertificateHelper.cs" />
     <CompileItem Include="$(MSBuildThisFileDirectory)\System\Net\Http\WinHttpChannelBinding.cs" />
     <CompileItem Include="$(MSBuildThisFileDirectory)\System\Net\Http\WinHttpException.cs" />

src/System.Net.Http.WinHttpHandler/src/System/Net/Http/WinHttpHandler.cs

@@ -107,9 +107,9 @@ public class WinHttpHandler : HttpMessageHandler
         private object _lockObject = new object();
         private bool _doManualDecompressionCheck = false;
         private WinInetProxyHelper _proxyHelper = null;
-        private bool _automaticRedirection = true;
-        private int _maxAutomaticRedirections = 50;
-        private DecompressionMethods _automaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
+        private bool _automaticRedirection = HttpHandlerDefaults.DefaultAutomaticRedirection;
+        private int _maxAutomaticRedirections = HttpHandlerDefaults.DefaultMaxAutomaticRedirections;
+        private DecompressionMethods _automaticDecompression = HttpHandlerDefaults.DefaultAutomaticDecompression;
         private CookieUsePolicy _cookieUsePolicy = CookieUsePolicy.UseInternalCookieStoreOnly;
         private CookieContainer _cookieContainer = null;
 

src/System.Net.Http.WinHttpHandler/tests/UnitTests/System.Net.Http.WinHttpHandler.Unit.Tests.csproj

@@ -37,6 +37,9 @@
     <Compile Include="$(CommonPath)\Microsoft\Win32\SafeHandles\SafeHandleZeroOrMinusOneIsInvalid.cs">
       <Link>Common\Microsoft\Win32\SafeHandles\SafeHandleZeroOrMinusOneIsInvalid.cs</Link>
     </Compile>
+    <Compile Include="$(CommonPath)\System\Net\Http\HttpHandlerDefaults.cs">
+      <Link>Common\System\Net\Http\HttpHandlerDefaults.cs</Link>
+    </Compile>
     <Compile Include="..\..\src\System\Net\Http\CertificateHelper.cs">
       <Link>ProductionCode\CertificateHelper.cs</Link>
     </Compile>

src/System.Net.Http/src/System.Net.Http.csproj

@@ -109,6 +109,9 @@
     <Compile Include="$(CommonPath)\System\Net\Logging.cs">
       <Link>Common\System\Net\Logging.cs</Link>
     </Compile>
+    <Compile Include="$(CommonPath)\System\Net\Http\HttpHandlerDefaults.cs">
+      <Link>Common\System\Net\Http\HttpHandlerDefaults.cs</Link>
+    </Compile>
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetsWindows)' == 'true' ">

src/System.Net.Http/src/System/Net/Http/Unix/CurlHandler.cs

@@ -55,13 +55,13 @@ internal partial class CurlHandler : HttpMessageHandler
         private IWebProxy _proxy = null;
         private ICredentials _serverCredentials = null;
         private ProxyUsePolicy _proxyPolicy = ProxyUsePolicy.UseDefaultProxy;
-        private DecompressionMethods _automaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
+        private DecompressionMethods _automaticDecompression = HttpHandlerDefaults.DefaultAutomaticDecompression;
         private SafeCurlMultiHandle _multiHandle;
         private GCHandle _multiHandlePtr = new GCHandle();
         private CookieContainer _cookieContainer = null;
         private bool _useCookie = false;
-        private bool _automaticRedirection = true;
-        private int _maxAutomaticRedirections = 50;
+        private bool _automaticRedirection = HttpHandlerDefaults.DefaultAutomaticRedirection;
+        private int _maxAutomaticRedirections = HttpHandlerDefaults.DefaultMaxAutomaticRedirections;
 
         #endregion