Cleanup services

Explicitly register nestedprovider managers
Make IActionSelector singleton

src/Microsoft.AspNet.Mvc.Core/ActionConstraints/ActionConstraintProviderContext.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Collections.Generic;
+using Microsoft.AspNet.Http;
 
 namespace Microsoft.AspNet.Mvc
 {
@@ -16,13 +17,17 @@ namespace Microsoft.AspNet.Mvc
         /// <param name="action">The <see cref="ActionDescriptor"/> for which constraints are being created.</param>
         /// <param name="items">The list of <see cref="ActionConstraintItem"/> objects.</param>
         public ActionConstraintProviderContext(
+            [NotNull] HttpContext context,
             [NotNull] ActionDescriptor action,
             [NotNull] IList<ActionConstraintItem> items)
         {
+            HttpContext = context;
             Action = action;
             Results = items;
         }
 
+        public HttpContext HttpContext { get; }
+
         /// <summary>
         /// The <see cref="ActionDescriptor"/> for which constraints are being created.
         /// </summary>

src/Microsoft.AspNet.Mvc.Core/ActionConstraints/DefaultActionConstraintProvider.cs

@@ -16,17 +16,6 @@ namespace Microsoft.AspNet.Mvc
     /// </remarks>
     public class DefaultActionConstraintProvider : INestedProvider<ActionConstraintProviderContext>
     {
-        private readonly IServiceProvider _services;
-
-        /// <summary>
-        /// Creates a new <see cref="DefaultActionConstraintProvider"/>.
-        /// </summary>
-        /// <param name="services">The per-request services.</param>
-        public DefaultActionConstraintProvider(IServiceProvider services)
-        {
-            _services = services;
-        }
-
         /// <inheritdoc />
         public int Order
         {
@@ -38,13 +27,13 @@ namespace Microsoft.AspNet.Mvc
         {
             foreach (var item in context.Results)
             {
-                ProvideConstraint(item);
+                ProvideConstraint(item, context.HttpContext.RequestServices);
             }
 
             callNext();
         }
 
-        private void ProvideConstraint(ActionConstraintItem item)
+        private void ProvideConstraint(ActionConstraintItem item, IServiceProvider services)
         {
             // Don't overwrite anything that was done by a previous provider.
             if (item.Constraint != null)
@@ -62,7 +51,7 @@ namespace Microsoft.AspNet.Mvc
             var factory = item.Metadata as IActionConstraintFactory;
             if (factory != null)
             {
-                item.Constraint = factory.CreateInstance(_services);
+                item.Constraint = factory.CreateInstance(services);
                 return;
             }
         }

src/Microsoft.AspNet.Mvc.Core/DefaultActionSelector.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Mvc.Core;
 using Microsoft.AspNet.Mvc.Logging;
 using Microsoft.AspNet.Mvc.Routing;
@@ -43,7 +44,7 @@ namespace Microsoft.AspNet.Mvc
                 var candidates = new List<ActionSelectorCandidate>();
                 foreach (var action in matchingRouteConstraints)
                 {
-                    var constraints = GetConstraints(action);
+                    var constraints = GetConstraints(context.HttpContext, action);
                     candidates.Add(new ActionSelectorCandidate(action, constraints));
                 }
 
@@ -253,7 +254,7 @@ namespace Microsoft.AspNet.Mvc
             return descriptors.Items;
         }
 
-        private IReadOnlyList<IActionConstraint> GetConstraints(ActionDescriptor action)
+        private IReadOnlyList<IActionConstraint> GetConstraints(HttpContext httpContext, ActionDescriptor action)
         {
             if (action.ActionConstraints == null || action.ActionConstraints.Count == 0)
             {
@@ -261,7 +262,7 @@ namespace Microsoft.AspNet.Mvc
             }
 
             var items = action.ActionConstraints.Select(c => new ActionConstraintItem(c)).ToList();
-            var context = new ActionConstraintProviderContext(action, items);
+            var context = new ActionConstraintProviderContext(httpContext, action, items);
 
             _actionConstraintProvider.Invoke(context);
 

src/Microsoft.AspNet.Mvc/MvcServices.cs

@@ -23,22 +23,24 @@ namespace Microsoft.AspNet.Mvc
 {
     public class MvcServices
     {
-        public static IEnumerable<IServiceDescriptor> GetDefaultServices(IConfiguration configuration = null)
+        public static IEnumerable<IServiceDescriptor> GetDefaultServices()
+        {
+            return GetDefaultServices(null);
+        }
+
+        public static IEnumerable<IServiceDescriptor> GetDefaultServices(IConfiguration configuration)
         {
             var describe = new ServiceDescriber(configuration);
 
             // Options and core services.
-
             yield return describe.Transient<IConfigureOptions<MvcOptions>, MvcOptionsSetup>();
             yield return describe.Transient<IConfigureOptions<RazorViewEngineOptions>, RazorViewEngineOptionsSetup>();
             yield return describe.Transient<IAssemblyProvider, DefaultAssemblyProvider>();
-            yield return describe.Transient(typeof(INestedProviderManager<>), typeof(NestedProviderManager<>));
-            yield return describe.Transient(
-                typeof(INestedProviderManagerAsync<>),
-                typeof(NestedProviderManagerAsync<>));
+
             yield return describe.Transient<MvcMarkerService, MvcMarkerService>();
             yield return describe.Singleton(typeof(ITypeActivatorCache), typeof(DefaultTypeActivatorCache));
             yield return describe.Scoped(typeof(IScopedInstance<>), typeof(ScopedInstance<>));
+
             // Core action discovery, filters and action execution.
 
             // These are consumed only when creating action descriptors, then they can be de-allocated
@@ -56,25 +58,34 @@ namespace Microsoft.AspNet.Mvc
 
             // This provider needs access to the per-request services, but might be used many times for a given
             // request.
-            yield return describe.Scoped<INestedProvider<ActionConstraintProviderContext>,
+            yield return describe.Transient<INestedProviderManager<ActionConstraintProviderContext>,
+                NestedProviderManager<ActionConstraintProviderContext>>();
+            yield return describe.Transient<INestedProvider<ActionConstraintProviderContext>,
                 DefaultActionConstraintProvider>();
 
             yield return describe.Singleton<IActionSelectorDecisionTreeProvider, ActionSelectorDecisionTreeProvider>();
-            yield return describe.Scoped<IActionSelector, DefaultActionSelector>();
+            yield return describe.Singleton<IActionSelector, DefaultActionSelector>();
             yield return describe.Transient<IControllerActionArgumentBinder, DefaultControllerActionArgumentBinder>();
             yield return describe.Transient<IObjectModelValidator, DefaultObjectValidator>();
 
+            yield return describe.Transient<INestedProviderManager<ActionDescriptorProviderContext>,
+                                NestedProviderManager<ActionDescriptorProviderContext>>();
             yield return describe.Transient<INestedProvider<ActionDescriptorProviderContext>,
                                 ControllerActionDescriptorProvider>();
+
+            yield return describe.Transient<INestedProviderManager<ActionInvokerProviderContext>,
+                                NestedProviderManager<ActionInvokerProviderContext>>();
             yield return describe.Transient<INestedProvider<ActionInvokerProviderContext>,
                                             ControllerActionInvokerProvider>();
+
             yield return describe.Singleton<IActionDescriptorsCollectionProvider,
                 DefaultActionDescriptorsCollectionProvider>();
 
             // The IGlobalFilterProvider is used to build the action descriptors (likely once) and so should
             // remain transient to avoid keeping it in memory.
             yield return describe.Transient<IGlobalFilterProvider, DefaultGlobalFilterProvider>();
-
+            yield return describe.Transient<INestedProviderManager<FilterProviderContext>,
+                NestedProviderManager<FilterProviderContext>>();
             yield return describe.Transient<INestedProvider<FilterProviderContext>, DefaultFilterProvider>();
 
             yield return describe.Transient<FormatFilter, FormatFilter>();
@@ -89,7 +100,7 @@ namespace Microsoft.AspNet.Mvc
             yield return describe.Transient<IModelBinderProvider, DefaultModelBindersProvider>();
             yield return describe.Transient<IValueProviderFactoryProvider, DefaultValueProviderFactoryProvider>();
             yield return describe.Transient<IOutputFormattersProvider, DefaultOutputFormattersProvider>();
-            yield return describe.Instance<JsonOutputFormatter>(new JsonOutputFormatter());
+            yield return describe.Instance(new JsonOutputFormatter());
 
             yield return describe.Transient<IModelValidatorProviderProvider, DefaultModelValidatorProviderProvider>();
             yield return describe.Transient<IValidationExcludeFiltersProvider,
@@ -130,11 +141,11 @@ namespace Microsoft.AspNet.Mvc
             yield return describe.Scoped<IViewStartProvider, ViewStartProvider>();
             yield return describe.Transient<IRazorViewFactory, RazorViewFactory>();
             yield return describe.Singleton<IRazorPageActivator, RazorPageActivator>();
+
             // Virtual path view factory needs to stay scoped so views can get get scoped services.
             yield return describe.Scoped<IRazorPageFactory, VirtualPathRazorPageFactory>();
 
             // View and rendering helpers
-
             yield return describe.Transient<IHtmlHelper, HtmlHelper>();
             yield return describe.Transient(typeof(IHtmlHelper<>), typeof(HtmlHelper<>));
             yield return describe.Scoped<IUrlHelper, UrlHelper>();
@@ -152,19 +163,21 @@ namespace Microsoft.AspNet.Mvc
             yield return describe.Transient<IViewComponentSelector, DefaultViewComponentSelector>();
             yield return describe.Singleton<IViewComponentActivator, DefaultViewComponentActivator>();
             yield return describe.Transient<IViewComponentInvokerFactory, DefaultViewComponentInvokerFactory>();
+            yield return describe.Transient<INestedProviderManager<ViewComponentInvokerProviderContext>,
+                NestedProviderManager<ViewComponentInvokerProviderContext>>();
             yield return describe.Transient<INestedProvider<ViewComponentInvokerProviderContext>,
                 DefaultViewComponentInvokerProvider>();
             yield return describe.Transient<IViewComponentHelper, DefaultViewComponentHelper>();
 
             // Security and Authorization
-
             yield return describe.Singleton<IClaimUidExtractor, DefaultClaimUidExtractor>();
             yield return describe.Singleton<AntiForgery, AntiForgery>();
             yield return describe.Singleton<IAntiForgeryAdditionalDataProvider,
                 DefaultAntiForgeryAdditionalDataProvider>();
 
             // Api Description
-
+            yield return describe.Transient<INestedProviderManager<ApiDescriptionProviderContext>,
+                NestedProviderManager<ApiDescriptionProviderContext>>();
             yield return describe.Singleton<IApiDescriptionGroupCollectionProvider,
                 ApiDescriptionGroupCollectionProvider>();
             yield return describe.Transient<INestedProvider<ApiDescriptionProviderContext>,

test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs

@@ -745,7 +745,7 @@ namespace Microsoft.AspNet.Mvc
             var actionConstraintProvider = new NestedProviderManager<ActionConstraintProviderContext>(
                 new INestedProvider<ActionConstraintProviderContext>[]
             {
-                new DefaultActionConstraintProvider(serviceContainer),
+                new DefaultActionConstraintProvider(),
             });
 
             var defaultActionSelector = new DefaultActionSelector(
@@ -831,7 +831,7 @@ namespace Microsoft.AspNet.Mvc
             var actionConstraintProvider = new NestedProviderManager<ActionConstraintProviderContext>(
                 new INestedProvider<ActionConstraintProviderContext>[]
             {
-                new DefaultActionConstraintProvider(new ServiceContainer()),
+                new DefaultActionConstraintProvider(),
                 new BooleanConstraintProvider(),
             });
 
@@ -860,14 +860,17 @@ namespace Microsoft.AspNet.Mvc
             var routeData = new RouteData();
             routeData.Routers.Add(new Mock<IRouter>(MockBehavior.Strict).Object);
 
+            var serviceContainer = new ServiceContainer();
+
             var httpContext = new Mock<HttpContext>(MockBehavior.Strict);
 
             var request = new Mock<HttpRequest>(MockBehavior.Strict);
-            httpContext.SetupGet(c => c.Request).Returns(request.Object);
-
             request.SetupGet(r => r.Method).Returns(httpMethod);
             request.SetupGet(r => r.Path).Returns(new PathString());
 
+            httpContext.SetupGet(c => c.Request).Returns(request.Object);
+            httpContext.SetupGet(c => c.RequestServices).Returns(serviceContainer);
+
             return new RouteContext(httpContext.Object)
             {
                 RouteData = routeData,