在iPhone上以编程方式测量网络流量 [英] Measure network traffic programmatically on iPhone

问题描述

我对测量应用程序的网络流量感兴趣。理想情况下，我需要将无线与3G网络流量分开。我似乎无法找到任何获取此信息的API;然而，我发现AppStore中至少有一个应用程序可以完成某些操作（它们实际上总结了整个手机的流量）。

I'm interested in measuring the network traffic for my application. Ideally I would need to separate wireless from 3G network traffic. I can't seem to find any API that gets this information; however I see that there is at least one app in the AppStore that does something close (they actually sum up the traffic for the entire phone).

任何想法？

推荐答案

我找到了一个近似解决方案： getifaddrs 可以用来获取网络使用情况统计。

I've found one approximate solution: getifaddrs can be used to get statistics on network usage.

一个优点是它可以获得Wi-Fi和WWAN接口的单独统计数据。

One advantage is that it can get separate statistics for Wi-Fi and WWAN interfaces.

缺点是在多任务设备上，多个应用程序可以使用这些接口，并累积统计数据。

A disadvantage is that on multi-tasking devices those interfaces may be used by multiple applications and the statistics are cumulated.

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