73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
|
|
|
|
using System;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNet.Builder;
|
|
using Microsoft.AspNet.Diagnostics.Views;
|
|
using Microsoft.AspNet.Http;
|
|
using Microsoft.Framework.Runtime;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
|
|
namespace Microsoft.AspNet.Diagnostics
|
|
{
|
|
/// <summary>
|
|
/// Displays information about the packages used by the application at runtime
|
|
/// </summary>
|
|
public class RuntimeInfoMiddleware
|
|
{
|
|
private readonly RequestDelegate _next;
|
|
private readonly RuntimeInfoPageOptions _options;
|
|
private readonly ILibraryManager _libraryManager;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="RuntimeInfoMiddleware"/> class
|
|
/// </summary>
|
|
/// <param name="next"></param>
|
|
/// <param name="options"></param>
|
|
public RuntimeInfoMiddleware(
|
|
[NotNull] RequestDelegate next,
|
|
[NotNull] RuntimeInfoPageOptions options,
|
|
[NotNull] ILibraryManager libraryManager)
|
|
{
|
|
_next = next;
|
|
_options = options;
|
|
_libraryManager = libraryManager;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Process an individual request.
|
|
/// </summary>
|
|
/// <param name="context"></param>
|
|
/// <returns></returns>
|
|
public Task Invoke(HttpContext context)
|
|
{
|
|
var request = context.Request;
|
|
if (!_options.Path.HasValue || _options.Path == request.Path)
|
|
{
|
|
var model = CreateRuntimeInfoModel();
|
|
var runtimeInfoPage = new RuntimeInfoPage(model);
|
|
return runtimeInfoPage.ExecuteAsync(context);
|
|
}
|
|
|
|
return _next(context);
|
|
}
|
|
|
|
internal RuntimeInfoPageModel CreateRuntimeInfoModel()
|
|
{
|
|
var model = new RuntimeInfoPageModel();
|
|
model.References = _libraryManager.GetLibraries();
|
|
model.Version = GetRuntimeVersion();
|
|
|
|
return model;
|
|
}
|
|
|
|
private static string GetRuntimeVersion()
|
|
{
|
|
var klr = Assembly.Load(new AssemblyName("dotnet.host"));
|
|
var version = klr.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
|
|
return version?.InformationalVersion;
|
|
}
|
|
}
|
|
} |