c++ 什么进程正在监听windows中的某个端口 [英] c++ What process is listening on a certain port in windows

问题描述

我在 Visual C++ 中创建了一个程序，并在其中实现了一个 Web 服务.Web 服务设置为侦听端口 80，但如果其他程序已经在使用此端口，Web 服务将无法启动.

I have created a program in visual c++, where i have implemented a web service. The web service is set to listen on port 80, but if another program already is using this port, the web service fail to start up.

所以当webservice无法启动时，我想要一个函数或方法，可以获取当前使用端口80的进程名称.然后我可以向用户打印错误，并询问他关闭进程.

So when the webservice can't start, I would like to have a function or method, which can get the name of the process, that currently uses port 80. Then i can print an error to the user, and ask him to close the process.

推荐答案

GetExtendedTcpTable 和 GetExtendedUdpTable 为您提供网络连接列表.您可以浏览此列表并检查程序是否使用端口 80(它也提供进程 ID).

GetExtendedTcpTable and GetExtendedUdpTable give you a list of network connections. You can walk through this list and check if a program is using port 80 (it provides process IDs as well).

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