在 .net core 控制台应用程序中创建一个 websocket 服务器 [英] Create a websocket server in .net core console application

问题描述

有什么方法可以创建一个可以托管 WebSocket 服务器的 .NET Core 控制台应用程序?

Is there any way to create a .NET Core console application which can host a WebSocket server?

我看到了很多东西，但只用于 ASP.NET Core 依赖注入.

I see a lot of stuff but only for using with ASP.NET Core dependency injection.

我最终使用的 NuGet 包必须是 .NET Core 而不是完整的 .NET.

The NuGet package I end up using must be .NET Core and not full .NET.

如果我可以在控制台应用程序中使用 Microsoft.AspNetCore.WebSockets，我会怎么做?

If I can use Microsoft.AspNetCore.WebSockets in a console application, how would I do it?

推荐答案

自托管 ASP.net Core 应用程序实际上是控制台应用程序，使用 Kestrel 作为服务器，您可以非阻塞地运行它并继续程序作为常规控制台一，类似这样:

Self-hosted ASP.net Core applications are in fact console applications, using Kestrel as the server you can run it in non-blocking and continue the program as a regular console one, something like this:

public static void Main(string[] args)
{

    var host = new WebHostBuilder()
        .UseKestrel()
        .Build();                     //Modify the building per your needs

    host.Start();                     //Start server non-blocking

    //Regular console code
    while (true)
    {
        Console.WriteLine(Console.ReadLine());
    }
}

唯一的缺点是您会在开始时收到一些调试消息，但您可以通过此修改来抑制这些消息:

The only downside of this is you will get some debug messages at the begining, but you can supress those with this modification:

public static void Main(string[] args)
{

    ConsOut = Console.Out;  //Save the reference to the old out value (The terminal)
    Console.SetOut(new StreamWriter(Stream.Null)); //Remove console output

    var host = new WebHostBuilder()
        .UseKestrel()
        .Build();                     //Modify the building per your needs

    host.Start();                     //Start server non-blocking

    Console.SetOut(ConsOut);          //Restore output

    //Regular console code
    while (true)
    {
        Console.WriteLine(Console.ReadLine());
    }
}

有关控制台输出的来源.

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