Re: Handling Dynamic Children (Workers) without restarting the poe ikc server

On Tue, 21 Apr 2009 13:16:22 -0700
Josh803316 <[email protected]> wrote:

> Thanks so much for the info.  Yeah, I was just reading the docs when
> I saw this response.  In the docs I saw this example
> 
> POE::Component::IKC::Client->spawn(
>             port=>31337, name=>$name,
>             subscribe=>[qw(poe://*/timeserver)],
>             on_connect=>\&create_me,
>         );
> 
> 
> Is there some sort of unpublish event if the worker goes away(crashes,
> etc...)?  Would I have to code this into the server logic or it's
> already built in?
> 
> On Tue, Apr 21, 2009 at 1:00 PM, Nick Perez <[email protected]>
> wrote:
> 
> > If you read the docs for IKC you will see that it describes the
> > publish subscribe mechanism implemented for remote/local session
> > subscription. So basically, client would connect, subscribe to the
> > server session, publish its worker session, then post() an event to
> > the server that would then tell the server to subscribe to your
> > published session. Then the server can access it like a local
> > session. I am guessing you need to invert your thinking. The
> > workers do the connecting. The server just listens. Then when a
> > test needs to be run, the server will then post() an event to which
> > ever worker it choses.
> >
> > On Tue, 21 Apr 2009 12:39:57 -0700
> > Josh803316 <[email protected]> wrote:
> >
> > > If I have a POE control server that manages multiple workers using
> > > IKC to communicate, how would I handle adding another worker to
> > > the group dynamically.  I'm trying to create a plug and play type
> > > environment where I could potentially add a new worker module to
> > > the group of managed workers without restarting the server.
> >
> >
> > --
> >
> > Nicholas Perez
> > XMPP/Email: [email protected]
> > http://search.cpan.org/~nperez/ <http://search.cpan.org/%7Enperez/>
> > http://github.com/nperez
> >


See the IKC documentation on Monitor:
http://search.cpan.org/~gwyn/POE-Component-IKC-0.2003/IKC/Responder.pm#monitor

-- 

Nicholas Perez
XMPP/Email: [email protected]
http://search.cpan.org/~nperez/
http://github.com/nperez