[Twisted-Python] stopping MultiService child services
donwsmith at gmail.com
Mon Dec 10 19:15:32 EST 2007
Thank you, this was very helpful!
On Dec 8, 2007 9:09 AM, Jean-Paul Calderone <exarkun at divmod.com> wrote:
> On Sat, 8 Dec 2007 08:52:36 -0800, Don Smith <donwsmith at gmail.com> wrote:
> >Hi all,
> >I'm still a bit of a novice but I'm trying to implement MultiService. The
> >trick is that I want my program to be able to change it's config while it
> >running. Once the app realizes it has a new configuration it needs to
> >all services, load the new config and start services accordingly.
> >I'm stuck right now with how to stop all services. I'm thinking I need to
> >loop over the children of MultiService and call stopService on them, but
> >not sure how to do that. Or should I just call stopServivce on the
> >MultiService object?
> MultiService.stopService will call stopService on all of its child
> so if the goal is to do that, then a for loop is more work for the same
> When you call stopService, keep in mind that it can return a Deferred
> you'll probably want to wait for before trying to start anything again.
> Likewise for startup, you can just call MultiService.startService to start
> all of its children.
> It might also be useful to know that removing a service from a running
> MultiService will stop the service and adding a service to a running
> MultiService will start it.
> Twisted-Python mailing list
> Twisted-Python at twistedmatrix.com
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