socket question

[maximilianscherr]

Thank you.

--- In python-list at y..., Chris Liechti <cliechti at g...> wrote:
> "maximilianscherr" <MaximilianScherr at T...> wrote in 
> news:mailman.1011552989.3398.python-list at p...:
> > have seen it, but don't really understand it, like if i do a 
> > socket.recv() does it wait until it receives data?
> 
> normally sockets are blocking so yes it waits for data. the socket 
can be 
> changed to non-blocking in that case it returns immediately an 
empty 
> string. not that recv(n) does receive up to n characheters. 
receiving is 
> therefore done in a loop. its also common to receive until a 
special 
> character/prompt is received.
> note that the same applies to send. in python 2.2 there is sendall 
which 
> sends everything, with send it returns the truely sent characters. 
i use:
> 
> s = "messy"
> while len(s):
>     s = s[conn.send(s):]
> 
> there is also makefile. that way you can send and receive like its 
> stdin/stdout or any other file (write, read). however i never used 
this.
> 
> chris
> -- 
> Chris <cliechti at g...>
> 
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> http://mail.python.org/mailman/listinfo/python-list