Use remote service http client in ApiDescriptionFinder.

Related #4062, This allows us to configure named remote service http client.

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/DynamicProxying/ApiDescriptionFinder.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Net.Http;
 using System.Reflection;
 using System.Threading.Tasks;
 using Newtonsoft.Json;
@@ -14,8 +15,6 @@ namespace Volo.Abp.Http.Client.DynamicProxying
     {
         public ICancellationTokenProvider CancellationTokenProvider { get; set; }
 
-        protected IDynamicProxyHttpClientFactory HttpClientFactory { get; }
-
         protected IApiDescriptionCache Cache { get; }
 
         private static readonly JsonSerializerSettings SharedJsonSerializerSettings = new JsonSerializerSettings
@@ -23,18 +22,15 @@ namespace Volo.Abp.Http.Client.DynamicProxying
             ContractResolver = new CamelCasePropertyNamesContractResolver()
         };
 
-        public ApiDescriptionFinder(
-            IApiDescriptionCache cache,
-            IDynamicProxyHttpClientFactory httpClientFactory)
+        public ApiDescriptionFinder(IApiDescriptionCache cache)
         {
             Cache = cache;
-            HttpClientFactory = httpClientFactory;
             CancellationTokenProvider = NullCancellationTokenProvider.Instance;
         }
 
-        public async Task<ActionApiDescriptionModel> FindActionAsync(string baseUrl, Type serviceType, MethodInfo method)
+        public async Task<ActionApiDescriptionModel> FindActionAsync(HttpClient client, string baseUrl, Type serviceType, MethodInfo method)
         {
-            var apiDescription = await GetApiDescriptionAsync(baseUrl);
+            var apiDescription = await GetApiDescriptionAsync(client, baseUrl);
 
             //TODO: Cache finding?
 
@@ -56,8 +52,8 @@ namespace Volo.Abp.Http.Client.DynamicProxying
                             var found = true;
 
                             for (int i = 0; i < methodParameters.Length; i++)
-                            { 
-                                if (!TypeMatches(action.ParametersOnMethod[i], methodParameters[i])) 
+                            {
+                                if (!TypeMatches(action.ParametersOnMethod[i], methodParameters[i]))
                                 {
                                     found = false;
                                     break;
@@ -76,33 +72,30 @@ namespace Volo.Abp.Http.Client.DynamicProxying
             throw new AbpException($"Could not found remote action for method: {method} on the URL: {baseUrl}");
         }
 
-        public virtual async Task<ApplicationApiDescriptionModel> GetApiDescriptionAsync(string baseUrl)
+        public virtual async Task<ApplicationApiDescriptionModel> GetApiDescriptionAsync(HttpClient client, string baseUrl)
         {
-            return await Cache.GetAsync(baseUrl, () => GetApiDescriptionFromServerAsync(baseUrl));
+            return await Cache.GetAsync(baseUrl, () => GetApiDescriptionFromServerAsync(client, baseUrl));
         }
 
-        protected virtual async Task<ApplicationApiDescriptionModel> GetApiDescriptionFromServerAsync(string baseUrl)
+        protected virtual async Task<ApplicationApiDescriptionModel> GetApiDescriptionFromServerAsync(HttpClient client, string baseUrl)
         {
-            using (var client = HttpClientFactory.Create())
-            {
-                var response = await client.GetAsync(
-                    baseUrl.EnsureEndsWith('/') + "api/abp/api-definition",
-                    CancellationTokenProvider.Token
-                );
+            var response = await client.GetAsync(
+                baseUrl.EnsureEndsWith('/') + "api/abp/api-definition",
+                CancellationTokenProvider.Token
+            );
 
-                if (!response.IsSuccessStatusCode)
-                {
-                    throw new AbpException("Remote service returns error! StatusCode = " + response.StatusCode);
-                }
+            if (!response.IsSuccessStatusCode)
+            {
+                throw new AbpException("Remote service returns error! StatusCode = " + response.StatusCode);
+            }
 
-                var content = await response.Content.ReadAsStringAsync();
+            var content = await response.Content.ReadAsStringAsync();
 
-                var result = JsonConvert.DeserializeObject(
-                    content,
-                    typeof(ApplicationApiDescriptionModel), SharedJsonSerializerSettings);
+            var result = JsonConvert.DeserializeObject(
+                content,
+                typeof(ApplicationApiDescriptionModel), SharedJsonSerializerSettings);
 
-                return (ApplicationApiDescriptionModel)result;
-            }
+            return (ApplicationApiDescriptionModel)result;
         }
 
         protected virtual bool TypeMatches(MethodParameterApiDescriptionModel actionParameter, ParameterInfo methodParameter)

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/DynamicProxying/DynamicHttpProxyInterceptor.cs

@@ -106,7 +106,7 @@ namespace Volo.Abp.Http.Client.DynamicProxying
         private async Task<T> MakeRequestAndGetResultAsync<T>(IAbpMethodInvocation invocation)
         {
             var responseAsString = await MakeRequestAsync(invocation);
-            
+
             if (typeof(T) == typeof(string))
             {
                 return (T)Convert.ChangeType(responseAsString, typeof(T));
@@ -122,7 +122,7 @@ namespace Volo.Abp.Http.Client.DynamicProxying
 
             var client = HttpClientFactory.Create(clientConfig.RemoteServiceName);
 
-            var action = await ApiDescriptionFinder.FindActionAsync(remoteServiceConfig.BaseUrl, typeof(TService), invocation.Method);
+            var action = await ApiDescriptionFinder.FindActionAsync(client, remoteServiceConfig.BaseUrl, typeof(TService), invocation.Method);
             var apiVersion = GetApiVersionInfo(action);
             var url = remoteServiceConfig.BaseUrl.EnsureEndsWith('/') + UrlBuilder.GenerateUrlWithParameters(action, invocation.ArgumentsDictionary, apiVersion);
 
@@ -252,4 +252,4 @@ namespace Volo.Abp.Http.Client.DynamicProxying
             return CancellationTokenProvider.Token;
         }
     }
-}
+}

framework/src/Volo.Abp.Http.Client/Volo/Abp/Http/Client/DynamicProxying/IApiDescriptionFinder.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Net.Http;
 using System.Reflection;
 using System.Threading.Tasks;
 using Volo.Abp.Http.Modeling;
@@ -7,8 +8,8 @@ namespace Volo.Abp.Http.Client.DynamicProxying
 {
     public interface IApiDescriptionFinder
     {
-        Task<ActionApiDescriptionModel> FindActionAsync(string baseUrl, Type serviceType, MethodInfo invocationMethod);
+        Task<ActionApiDescriptionModel> FindActionAsync(HttpClient client, string baseUrl, Type serviceType, MethodInfo invocationMethod);
 
-        Task<ApplicationApiDescriptionModel> GetApiDescriptionAsync(string baseUrl);
+        Task<ApplicationApiDescriptionModel> GetApiDescriptionAsync(HttpClient client, string baseUrl);
     }
-}
+}