help on packet format for tcp/ip programming

[rattan at cps.cmich.edu]

On Feb 8, 3:40 am, Grant Edwards <gra... at visi.com> wrote:
> On 2007-02-08, rat... at cps.cmich.edu <rat... at cps.cmich.edu> wrote:
>
> > struct module pack and unpack will only work for fixed size buffer :
> > pack('>1024sIL', buffer, count. offset) but the buffer size can vary
> > from one packet to the next  :-(
>
> Oh for Pete's sake...
>
> struct.pack('>%dsIL' % len(buffer), buffer, count, offset)
>
> --
> Grant Edwards                   grante             Yow!  I want the presidency
>                                   at               so bad I can already taste
>                                visi.com            the hors d'oeuvres.

that is great but how does one unpack on the other side?

-ishwar