On Nov 17, 2009, at 9:39 PM, Aashishk Tiwari wrote:

> What APIs/library/Technology we should use that notifies us about network
> usages and also provides us with the data being transmitted.

You can get the raw transfer statistics using IOKit, but you need Pcap to spy 
on the interface(s).

> I have look in libpcap that pretty much gives the packets but i dont know
> how much it helps in notification kind of things.

It doesn't. You'll have to parse the packets manually. Good luck.

Nick Zitzmann
<http://www.chronosnet.com/>



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