How to identify internet connection type and it's current speed [closed]

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开发者_如何学Python

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Hi I am testing my application for various types of internet connections with my device. I want my application send an internet request only if WI-FI is available and not in other cases like GPS ,WAP, 3G, etc....

Please also provide some information about how to check the current speed of that particular connection.

Thanks in advance

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Use Apple's Reachability class to check for Wifi or WAN. Use this example and code: http://developer.apple.com/library/ios/#samplecode/Reachability/index.html

Checking the speed is more difficult, you would need to measure it by your own I think, maybe the best way is to ping and measure the response latency.