Ruby - 与平台无关的方法来确定所有网络接口的IP？ [英] Ruby - Platform independent way to determine IPs of all network interfaces?

问题描述

Ruby中有一种简单的方法可以获取所有网络接口的IP地址列表吗？它需要在Linux / Win / OSX中工作，我宁愿不必解析ifconfig / ipconfig，除非我绝对必须。

Is there an easy way in Ruby for me to get a list of the IP addresses for all network interfaces? It needs to work in Linux/Win/OSX and I'd prefer to not have to parse ifconfig/ipconfig unless I absolutely have to.

推荐答案

从Ruby 2.1开始，Socket＃getifaddrs可用：

As of Ruby 2.1, Socket#getifaddrs is available:

001:0> require 'socket'
=> true
002:0> Socket.getifaddrs.map { |i| i.addr.ip_address if i.addr.ipv4? }.compact
=> ["127.0.0.1", "192.168.1.121", "192.168.1.181"]

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