re-work for creating new httpclient using httpclienthandler.

AspNetCore.ApiGateway/Application/ApiGatewayOptions.cs

@@ -8,6 +8,6 @@ public class ApiGatewayOptions
         public bool UseResponseCaching { get; set; }
         public ApiGatewayResponseCacheSettings ResponseCacheSettings { get; set; }
         public Action<IServiceProvider, HttpClient> DefaultHttpClientConfigure { get; set; }
-        public Func<IServiceProvider, MyHttpClient> DefaultMyHttpClient { get; set; }
+        public Func<HttpClientHandler> DefaultMyHttpClientHandler { get; set; }
     }
 }

AspNetCore.ApiGateway/Application/Extensions.cs

@@ -1,20 +1,20 @@
 using AspNetCore.ApiGateway.Application;
 using AspNetCore.ApiGateway.Application.ActionFilters;
 using AspNetCore.ApiGateway.Application.ExceptionFilters;
-using AspNetCore.ApiGateway.Middleware;
+using AspNetCore.ApiGateway.Application.HubFilters;
 using AspNetCore.ApiGateway.Application.ResultFilters;
 using AspNetCore.ApiGateway.Authorization;
+using AspNetCore.ApiGateway.Middleware;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.SignalR;
 using Microsoft.AspNetCore.SignalR.Client;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Linq;
 using System.Net.Http.Headers;
-using AspNetCore.ApiGateway.Application.HubFilters;
-using Microsoft.AspNetCore.SignalR;
 using System.Text.Json;
 
 namespace AspNetCore.ApiGateway
@@ -45,9 +45,11 @@ public static void AddApiGateway(this IServiceCollection services, Action<ApiGat
                     .AddHubFilters();
 
 
-            if (Options.DefaultMyHttpClient != null)
+            if (Options.DefaultMyHttpClientHandler != null)
             {
-                services.AddHttpClient<IHttpService, MyHttpClient>();
+                services
+                    .AddHttpClient<IHttpService, HttpService>()
+                    .ConfigurePrimaryHttpMessageHandler(Options.DefaultMyHttpClientHandler);
             }
             else if (Options.DefaultHttpClientConfigure != null)
             {

AspNetCore.ApiGateway/Application/HttpService.cs

@@ -16,14 +16,4 @@ public HttpService(HttpClient client)
 
         public HttpClient Client { get; }
     }
-
-    public class MyHttpClient : IHttpService
-    {
-        public HttpClient Client { get; private set; }
-
-        public MyHttpClient(HttpClientHandler clientHandler)
-        {
-            Client = new HttpClient(clientHandler);
-        }
-    }
 }

Docs/README_Customizations.md

@@ -19,6 +19,11 @@ You can create the default **HttpClient** used by **all the routes**, to hit the
 Eg. below code adds Proxy info to a new HttpClient.
 
 ```C#
+    var proxyHost = "http://localhost";
+    var proxyPort = 80;
+    var proxyUserName = "testUser";
+    var proxyPassword = "testPwd";
+
     var proxy = new WebProxy
     {
         Address = new Uri($"http://{proxyHost}:{proxyPort}"),
@@ -33,15 +38,14 @@ Eg. below code adds Proxy info to a new HttpClient.
 
     var httpClientHandler = new HttpClientHandler
     {
-        Proxy = proxy,
+        Proxy = proxy
     };
 
     //Api gateway
     services.AddApiGateway(options =>
     {
-        options.DefaultMyHttpClient = (sp => new MyHttpClient(httpClientHandler));
+        options.DefaultMyHttpClientHandler = () => httpClientHandler;
     });
-
 ```
 
 Also, the library provides hooks to