ASP.NET Core Startup.cs 中的 Kestrel 关闭功能 [英] Kestrel shutdown function in Startup.cs in ASP.NET Core

问题描述

使用Microsoft.AspNet.Server.Kestrel时是否有关机功能?ASP.NET Core(以前的ASP.NET vNext)显然有一个启动序列，但没有提到关闭序列以及如何处理干净的关闭.

Is there a shutdown function when using Microsoft.AspNet.Server.Kestrel? ASP.NET Core (formerly ASP.NET vNext) clearly has a Startup sequence, but no mention of shutdown sequence and how to handle clean closure.

推荐答案

在 ASP.NET Core 中，您可以注册到 IApplicationLifetime

In ASP.NET Core you can register to the cancellation tokens provided by IApplicationLifetime

public class Startup 
{
    public void Configure(IApplicationBuilder app, IApplicationLifetime applicationLifetime) 
    {
        applicationLifetime.ApplicationStopping.Register(OnShutdown);
    }

    private void OnShutdown()
    {
         // Do your cleanup here
    }
}

IApplicationLifetime 还公开了 ApplicationStopped 和 ApplicationStarted 的取消令牌以及 StopApplication() 方法以停止应用程序.

IApplicationLifetime is also exposing cancellation tokens for ApplicationStopped and ApplicationStarted as well as a StopApplication() method to stop the application.

来自评论@Horkrine

对于 .NET Core 3.0+，建议改用 IHostApplicationLifetime，因为 IApplicationLifetime 将很快被弃用.其余的仍然会像上面写的那样使用新服务

For .NET Core 3.0+ it is recommended to use IHostApplicationLifetime instead, as IApplicationLifetime will be deprecated soon. The rest will still work as written above with the new service

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