Network game using mysql

Kushal Kumaran kushal.kumaran at gmail.com
Wed Apr 15 09:06:24 CEST 2009


2009/4/15 João Abrantes <jepe_abrantes at hotmail.com>:
> Good evening,
>
> I am making an online game that stores its data in a mysql database. The
> thing is that I can't allow the players to interact directly with the
> important tables of database (they could cheat if I give them access) so I
> only allow them to write on a table named commands and then a python program
> running on the server will interpreter that command and update the important
> tables. For example, a user that wants to build an house writes on the
> commands table 'build house', and then my python program takes the resources
> of the user and gives him an house.  The thing is that I need to have a
> program reading the command list in a infinite while loop and I don't know
> if there is a better way to do this, I am afraid that if the command list
> gets to crowed my python program may not handle all the commands in time.
> And if I put two programs reading the same command list sometimes they
> handle the command twice..
>

It does seem like you need a queue, with as many readers as required
depending on load.  Take a look at pyprocessing.  I think it is
included in the standard library as of Python 2.6, with the name
multiprocessing.

Do the clients connect directly to your database over the network?

-- 
kushal



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