Url match initial version

Author: Yang Lyu

src/Microsoft.VisualStudio.Web.BrowserLink/BrowserLinkMiddleWare.cs

@@ -25,6 +25,8 @@ internal class BrowserLinkMiddleware
         private RequestDelegate _next;
         private string _applicationPath;
 
+        private static string _hostUrl;
+
         internal BrowserLinkMiddleware(string applicationPath, RequestDelegate next)
         {
             _applicationPath = applicationPath;
@@ -39,14 +41,17 @@ internal Task Invoke(HttpContext context)
             string requestId = Guid.NewGuid().ToString("N");
 
             IHttpSocketAdapter injectScriptSocket = GetSocketConnectionToHost(_applicationPath, requestId, "injectScriptLink", context.Request.IsHttps);
+            RequestHeaders requestHeader = new RequestHeaders(context.Request.Headers);
 
+            _hostUrl = BrowserLinkMiddleWareUtil.GetRequestUrl(requestHeader);
+            
             if (injectScriptSocket != null)
             {
                 return ExecuteWithFilter(injectScriptSocket, requestId, context);
             }
             else
             {
-                RequestHeaders requestHeader = new RequestHeaders(context.Request.Headers); 
+//                RequestHeaders requestHeader = new RequestHeaders(context.Request.Headers); 
 
                 if (requestHeader.IfNoneMatch != null && BrowserLinkMiddleWareUtil.GetRequestPort(requestHeader).Count != 0)
                 {
@@ -172,6 +177,9 @@ private static void AddRequestHeaders(IHttpSocketAdapter httpSocket, string requ
             {
                 httpSocket.AddRequestHeader(BrowserLinkConstants.RequestScheme, "http");
             }
+
+            httpSocket.AddRequestHeader(BrowserLinkConstants.RequestTest, "testValue");
+            httpSocket.AddRequestHeader(BrowserLinkConstants.RequestHostUrl, _hostUrl);
         }
 
         private static bool FindAndSignalHostConnection(string applicationPath)

src/Microsoft.VisualStudio.Web.BrowserLink/BrowserLinkMiddleWareUtil.cs

@@ -32,6 +32,11 @@ internal static List<int> GetRequestPort(RequestHeaders requestHeader)
             return requestPortList;
         }
 
+        internal static string GetRequestUrl(RequestHeaders requstHeader)
+        {
+            return requstHeader.Host.ToString();
+        }
+
         internal static int GetCurrentPort(string connectionString)
         {
             Uri uri;

src/Microsoft.VisualStudio.Web.BrowserLink/Common/ArteryConstants.cs

@@ -48,6 +48,10 @@ internal static class BrowserLinkConstants
         /// </summary>
         public const string RequestScheme = "Scheme";
 
+        public const string RequestTest = "TestKey";
+
+        public const string RequestHostUrl = "HostUrl";
+
         /// <summary>
         /// Suffix added to the end of the instance file name to identify a
         /// Version 2 instance file