socket.recvfrom() & sendto()
ron.l.johnson at home.com
Wed May 9 15:51:12 EDT 2001
Fredrik Lundh wrote:
> Ron Johnson wrote:
>> > It is never "stalled" at a select(); asyncore uses non-blocking
>> > sockets. select() returns immediately with lists of those sockets
>> > which are ready to write and those sockets which are ready to read.
>> Not to pick a nit, but doesn't execution stall at select() if
>> there is no data coming in to the server. For example: a small
>> chat server when no one happens to be chatting.
> if you set the select timeout short enough, you can poll the network
> from an UI background task (e.g. Tk's idletask).
Ah. A pseudo-thread.
> for heavier loads, it's probably better to use a separate UI thread
> (if you really like threads, add a dispatcher thread and one or more
> worker threads to the mix as well...)
My system will have a very light load, so the UI background task
should be adequate. My only problem now is that not only must I
learn asyncore, but also Tkinter at the same time. Onward to glory!
Ron Johnson, Jr. Home: ron.l.johnson at home.com
Jefferson, LA USA http://ronandheather.dhs.org
"Is Python better or worse than Perl?"
"Perl is worse than Python because people wanted it
worse." -Larry Wall, 10/14/1998
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