[Twisted-Python] Creating a daemon from my application
gary clark
burslem2001 at yahoo.com
Mon Mar 15 10:14:21 MDT 2010
Thanks Reza I wil give it a crack.
Much appreciated,
Garyc
--- On Mon, 3/15/10, Reza Lotun <rlotun at gmail.com> wrote:
> From: Reza Lotun <rlotun at gmail.com>
> Subject: Re: [Twisted-Python] Creating a daemon from my application
> To: "Twisted general discussion" <twisted-python at twistedmatrix.com>
> Date: Monday, March 15, 2010, 10:35 AM
> Hi,
>
> > I want to create a twisted daemon from my application:
> ...
>
> You want to use twistd. See
> http://twistedmatrix.com/documents/current/core/howto/basics.html#auto1
>
> The process is roughly:
>
> 1) create a myapp.tac file which essentially loads in your
> server and
> wraps it in an application
> 2) run something like:
> $ twistd -r epoll -y
> myapp.tac
> which will daemonize your server (using the epoll reactor)
> and write
> its pid to twistd.pid
>
> A .tac file could look something like:
>
> from twisted.application import service, internet
> from myapp import MyAppServer
>
> def get_service():
> """ Return a service suitable for creating an
> application object. """
> site = MyAppServer()
> port = 2000
> return internet.TCPServer(2000, site)
>
> application = service.Application('MyApplicationName')
> # attach the service to its parent application
> service = get_service()
> service.setServiceParent(application)
>
> Also, keep in mind you might want to use twistd in
> conjunction with a
> process runner (http://dustin.github.com/2010/02/28/running-processes.html).
> That is, if you're using something like Ubuntu, you
> probably want to
> run twistd using upstart.
>
> Hope this helps.
>
> Reza
>
> --
> Reza Lotun
> mobile: +44 (0)7521 310 763
> email: rlotun at gmail.com
> work: reza at tweetdeck.com
> twitter: @rlotun
>
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