[Twisted-Python] db connections

[Alvin Delagon]

Put self.dbcon in the MyFactory class. MyProtocol instances can access it
via self.factory.


On Tue, Mar 24, 2009 at 6:10 PM, Pet <petshmidt at googlemail.com> wrote:

> Hi,
>
> I've wrote an daemon which does some queries to db and sends response
> back to client. Do I need to make for every request from client (new
> instance of  MyProtocol) a new connection to DB? Or can I somehow
> prepare connection, so I could save some time? Maybe make connection
> in Factory and pass it to Protocol? But what happens if too much
> clients are connected to server? What is the way to control it?
>
> Regards, Pet
>
>
> class MyProtocol(basic.LineReceiver):
>
>    def __init__(self):
>        print "new connection"
>        self.dbcon = adbapi.ConnectionPool("pyPgSQL.PgSQL",
> database="data", user='pet', host='local', password='some')
>
>
> class MyFactory(protocol.ServerFactory):
>    protocol = MyProtocol
>
> class MyService(internet.TCPServer):
>    def __init__(self):
>        internet.TCPServer.__init__(self,PORT,MyFactory())
>
> def main():
>    reactor.listenTCP(PORT, MyFactory())
>    reactor.run()
>
>
> if __name__ == '__main__':
>    main()
>
> _______________________________________________
> Twisted-Python mailing list
> Twisted-Python at twistedmatrix.com
> http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
>



-- 
http://www.alvinatorsplayground.blogspot.com/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: </pipermail/twisted-python/attachments/20090324/07ed2875/attachment.html>