Timestamps for TCP packets?

Miles Kaufmann milesck at umich.edu
Fri Oct 2 04:20:58 EDT 2009


On Oct 2, 2009, at 12:03 AM, Thomas Johnson wrote:

> Is there any way to get kernel-level timestamps for TCP packets while
> still using the standard python sockets library for communication? I
> need to communicate over a TCP connection as easily as possible, but
> also record the timestamps of the incoming and outgoing timestamps at
> microsecond or nanosecond resolution.
>
> The sockets library is of course great for the communication, and I've
> seen some python libraries that do packet sniffing and record
> timestamps, but it's not clear that I can do both at the same time.

Have you tried it?  I don't know of any reason that using sockets and  
doing a packet capture would interfere with each other.  What are you  
trying to accomplish with the packet sniffing, though?

-Miles



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