aspnetcore/src/Microsoft.AspNet.Diagnostics/RuntimeInfo/RuntimeInfoMiddleware.cs

81 lines
2.7 KiB
C#

// Copyright (c) .NET Foundation. 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.Extensions.Options;
using Microsoft.Extensions.PlatformAbstractions;
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 IRuntimeEnvironment _runtimeEnvironment;
/// <summary>
/// Initializes a new instance of the <see cref="RuntimeInfoMiddleware"/> class
/// </summary>
/// <param name="next"></param>
/// <param name="options"></param>
public RuntimeInfoMiddleware(
RequestDelegate next,
IOptions<RuntimeInfoPageOptions> options,
IRuntimeEnvironment runtimeEnvironment)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (runtimeEnvironment == null)
{
throw new ArgumentNullException(nameof(runtimeEnvironment));
}
_next = next;
_options = options.Value;
_runtimeEnvironment = runtimeEnvironment;
}
/// <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.Version = _runtimeEnvironment.RuntimeVersion;
model.OperatingSystem = _runtimeEnvironment.OperatingSystem;
model.RuntimeType = _runtimeEnvironment.RuntimeType;
model.RuntimeArchitecture = _runtimeEnvironment.RuntimeArchitecture;
return model;
}
}
}