异步网络接口状态检查 [英] Asynchronous network interface status check

问题描述

在Mac OS X中，有没有办法让异步通知时，网络接口（EN0，EN1）状态的变化，如网络接口是有效，无效等？

On Mac OS X, is there a way to get asynchronous notification when the network interface (en0, en1) status changes, such as network interface is active, inactive etc?

相反轮询的状态，我想知道有没有办法让异步通知，因此只要有变化，通知被触发，应用程序可以处理它。

Instead of polling for the status, i would like to know is there a way to get asynchronous notification, so that whenever there is a change, notification is fired and app can handle it.

这可能吗？

谢谢，

推荐答案

检查最多的回答<一个href=\"http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk\">here.这是iOS的SDK，但提到SystemConfigration框架可在Mac OSX上了。

Check the top answer here. It is for the iOS SDK but the SystemConfigration framework mentioned is available on Mac OSX too.

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