TPCServer and xdrlib

[Nick Craig-Wood]

Henrique Dante de Almeida <hdante at gmail.com> wrote:
>  On May 19, 10:28?am, Laszlo Nagy <gand... at shopzeus.com> wrote:
> > I cannot predict "acceptable speed" requirements, but I can tell that
> > there will be some clients downloading 100MB report files from the
> > server, so I presume that I will need a progress bar. I think that I
> > need to develop my own protocol for this, and probably the underlying
> 
>   Okay, so you need to wrap large binary files in some kind of message,
>  without pre processing them. I think developing your own protocol
>  using XDR is a safe bet.

You might want to consider using netstrings rather than XDR

  http://cr.yp.to/proto/netstrings.txt

They are very simple and would be minimal overhead if all you are
passing is a file and a bit of metadata.

You'll find several modules for python with a bit of searching.  Also
I believe twisted supports them directly or you could easily roll your
own.

-- 
Nick Craig-Wood <nick at craig-wood.com> -- http://www.craig-wood.com/nick