Add sample for RequestTimeout attribute using a policy

Author: dodyg

projects/.net8/request-timeout-4/README.md

@@ -1,3 +1,3 @@
-# Use RequestTimeout attribute
+# Use RequestTimeout attribute in MVC
 
 Use `RequestTimeout` attribute to specify how many milliseconds a time out will be trigerred. 

projects/.net8/request-timeout-5/Program.cs

@@ -0,0 +1,36 @@
+using Microsoft.AspNetCore.Http.Timeouts;
+using Microsoft.AspNetCore.Mvc;
+
+var builder = WebApplication.CreateBuilder();
+builder.Services.AddControllers();
+builder.Services.AddRequestTimeouts(options =>
+{
+    options.AddPolicy("quick",new Microsoft.AspNetCore.Http.Timeouts.RequestTimeoutPolicy
+    {
+        Timeout = TimeSpan.FromMilliseconds(1),
+        TimeoutStatusCode = 200,
+        WriteTimeoutResponse = async (HttpContext context) => 
+        {
+            context.Response.ContentType = "text/plain";
+            await context.Response.WriteAsync("timeout is triggered");
+        }
+    });
+});
+
+var app = builder.Build();
+app.UseRequestTimeouts();
+app.MapControllers();
+
+app.Run();
+
+public class HomeController : ControllerBase
+{
+    [HttpGet("/")]
+    [RequestTimeout("quick")]
+    public async Task<IActionResult> Index()
+    {
+        await Task.Delay(100);
+        HttpContext.RequestAborted.ThrowIfCancellationRequested();
+        return Ok("Hello World!");
+    }
+}

projects/.net8/request-timeout-5/README.md

@@ -0,0 +1,3 @@
+# Use RequestTimeout attribute in MVC
+
+Use `RequestTimeout` attribute to specify which timeout policy to use.

projects/.net8/request-timeout-5/request-timeout-5.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>true</ImplicitUsings>
+    <LangVersion>preview</LangVersion>
+    <PreviewFeatures>true</PreviewFeatures>
+  </PropertyGroup>
+</Project>

projects/.net8/request-timeout-5/request-timeout-5.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "request-timeout-5", "request-timeout-5.csproj", "{79DB68DC-DFD0-4377-8092-51CB6132F18C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{79DB68DC-DFD0-4377-8092-51CB6132F18C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{79DB68DC-DFD0-4377-8092-51CB6132F18C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{79DB68DC-DFD0-4377-8092-51CB6132F18C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{79DB68DC-DFD0-4377-8092-51CB6132F18C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6A9E03E9-E1BE-4884-A2D2-AFDF8A2F4AA5}
+	EndGlobalSection
+EndGlobal