calling server side function
Gabriel Genellina
gagsl-py2 at yahoo.com.ar
Wed Oct 28 03:59:30 EDT 2009
En Wed, 28 Oct 2009 04:04:50 -0300, Paul Hartley <luapyeltrah at hotmail.com>
escribió:
> I have a socket set up between a client and server program. Let's say
> that I serialize (pickle) some data in the client and send it to the
> server with the intention of calling a function in the server to process
> the data. How would one execute the function? This is not for a
> web-based application, BTW -- it's a desktop based application
> My current thought process is (using a generalized example):
> I have a list of numbers in the client and want to find the length of
> the list using the server. There exists a function find_len() in the
> server code. I have a list of numbers [1,2,3]. On the client side, I
> create the tuple ("find_len", [1,2,3]), and serialize it. I pass this
> serialized object via a socket to the server, which unpickles it. The
> server takes the key (find_len) and uses a getattr call to get the
> find_len function. The server then calls find_len([1,2,3]) to get the
> sum.
> def find_len(list_): return
> Are there better ways of accomplishing this (I'm aware that there are
> security pitfalls here...)
xmlrpc does more or less the same thing, but serializing in xml instead of
pickling.
--
Gabriel Genellina
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