[Twisted-Python] How to dispatch message to different servers

Benjamin BERTRAND beenje at gmail.com
Sat Mar 2 15:58:14 EST 2013

Le 2 mars 2013 à 19:12, Tom Prince <tom.prince at ualberta.net> a écrit :

> Benjamin BERTRAND <beenje at gmail.com> writes:
>> Le 2 mars 2013 à 15:33, Laurens Van Houtven <_ at lvh.cc> a écrit :
>>> I'm guessing that this is another question that will be solved as
>>> soon as I see the code (perhaps you should put all your code up
>>> somewhere); but all I do know is that all Deferreds buy you is an
>>> abstraction for organizing callbacks; it's not a dispatch mechanism
>>> (and if you're using it as one now, you do have dispatch logic, it
>>> just lives somewhere else).
>> The dispatch is done in the pcapDataReceived method (in the
>> ServerFactory) thanks to the dictionary of deferred (using the line id
>> as key).  And each line is associated to a server on a specific port.
> Instead sticking a deferred in that dictionary, you could just stick the
> `Oldimon` protocol instance, or the bound method (i.e. `self.sendMessage`)
> in that dictionary. In which case `messageToSend` becomes obsolete,
> since you don't need to rearm it each time.

Good point!
I guess I should try to think more "Python" before trying to think "Twisted" :-)



>  Tom

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