Measuring bytes of packet sent from python application

Kangkook Jee aixer77 at
Tue Jan 6 00:23:10 CET 2009

Jonathan Gardner wrote:
> On Jan 5, 2:26 pm, Kangkook Jee <aixe... at> wrote:
>> I'd like to measure number of bytes sent(or recv'd) from my python
>> application. Does anyone have any idea how can I achieve this?
>> I tried to do this by tracing some socket calls (send, sendto, sendAll)
>>   using 'metaclass' but I could find exactly place that I can put this in.
>> My application runs some number of protocols (bittorrent, xmlrpc ..) in
>> it and will be measured for a couple of hours.
> A good universal tool on the Linux platform is tcpdump. It takes some
> learning, but is very useful for this kind of task. You can use a tool
> like ethereal to visualize the data that tcpdump gathers.

Thanks a lot Jonathan

That seems like a good solution for my issue but how can I distinguish 
traffics from my application to others?

I'm still struggling to solve it within python process since it looks 
cleaner but it doesn't seems to be easy at all.

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