Ability to provide the service with custom HTTP message handler (#16)

ReportPortal.Client/Service.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Net;
-using ReportPortal.Client.Extentions;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Threading.Tasks;
@@ -14,20 +13,17 @@ namespace ReportPortal.Client
     public partial class Service
     {
         private readonly HttpClient _httpClient;
-        private readonly HttpClientHandler _httpHandler;
 
         /// <summary>
         /// Constructor to initialize a new object of service.
         /// </summary>
         /// <param name="uri">Base URI for REST service.</param>
         /// <param name="project">A project to manage.</param>
         /// <param name="password">A password for user. Can be UID given from user's profile page.</param>
-        public Service(Uri uri, string project, string password)
+        /// <param name="messageHandler">The HTTP handler to use for sending all requests.</param>
+        public Service(Uri uri, string project, string password, HttpMessageHandler messageHandler)
         {
-            _httpHandler = new HttpClientHandler();
-            var retryHttpHandler = new RetryHttpClientHandler(_httpHandler);
-
-            _httpClient = new HttpClient(retryHttpHandler);
+            _httpClient = new HttpClient(messageHandler);
             _httpClient.BaseAddress = uri;
 
             _httpClient.DefaultRequestHeaders.Clear();
@@ -42,6 +38,17 @@ public Service(Uri uri, string project, string password)
 #endif
         }
 
+        /// <summary>
+        /// Constructor to initialize a new object of service.
+        /// </summary>
+        /// <param name="uri">Base URI for REST service.</param>
+        /// <param name="project">A project to manage.</param>
+        /// <param name="password">A password for user. Can be UID given from user's profile page.</param>
+        public Service(Uri uri, string project, string password)
+            : this(uri, project, password, new RetryHttpClientHandler())
+        {
+        }
+
         /// <summary>
         /// Constructor to initialize a new object of service.
         /// </summary>
@@ -50,9 +57,8 @@ public Service(Uri uri, string project, string password)
         /// <param name="password">A password for user. Can be UID given from user's profile page.</param>
         /// <param name="proxy">Proxy for all HTTP requests.</param>
         public Service(Uri uri, string project, string password, IWebProxy proxy)
-            : this(uri, project, password)
+            : this(uri, project, password, new RetryHttpClientHandler(proxy))
         {
-            _httpHandler.Proxy = proxy;
         }
 
         /// <summary>
@@ -65,9 +71,20 @@ public Service(Uri uri, string project, string password, IWebProxy proxy)
 
     public class RetryHttpClientHandler : DelegatingHandler
     {
+        public RetryHttpClientHandler()
+            : this(new HttpClientHandler())
+        {
+        }
+
+        public RetryHttpClientHandler(IWebProxy proxy)
+            : this(new HttpClientHandler {Proxy = proxy})
+        {
+        }
+
         public RetryHttpClientHandler(HttpMessageHandler innerHandler)
-        : base(innerHandler)
-        { }
+            : base(innerHandler)
+        {
+        }
 
         protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
         {
@@ -80,7 +97,9 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
                     return response = await base.SendAsync(request, cancellationToken);
                 }
                 // timeout
-                catch(TaskCanceledException) { }
+                catch (TaskCanceledException)
+                {
+                }
             }
 
             return response;