[Click] Cleanup notification

[Beyers Cronje]

Hi Eddie,

Excellent, DriverManager will do the trick! 
My bad, I havent spotted DriverManager element before, there are a lot
of elements to get to know :)

Kind regards

Beyers


On Wed, 23 Feb 2005 20:13:52 -0800, Eddie Kohler <kohler at cs.ucla.edu> wrote:
> Hi Beyers,
> 
> How is the router being shut down?  If it's being shut down by
> "/click/stop" or similar, then you can use DriverManager like so:
> 
>    DriverManager(wait_stop /* wait for write to /click/stop */,
>           write vrrp.send_shutdown /* call write handler */,
>           wait 0.5s /* wait for packet to make its way through router
> */,
>           stop)
> 
> But this would not work for writing directly to /click/config.
> 
> Would this be good enough?  I'm not sure about a separate "pre-cleanup"
> stage, because how would one tell when it had completed?  If
> pre-cleanup went on forever, what would you do?  Etc.
> 
> Eddie
> 
> 
> On Feb 23, 2005, at 6:48 PM, Beyers Cronje wrote:
> 
> > Hi,
> >
> > Is there a cleanup stage an element can hook into just before standard
> > cleanup, but while packet processing is still running ?
> >
> > My intent is to let an element, ie a VRRP element send a
> > shutdown/disconnet packet to its peers just before the router shuts
> > down. My current attempt at using standard cleanup(CleanupStage) to do
> > this fails, I presume once the router fires cleanup stage packet
> > processing has already stopped?
> >
> > Can this be done ? Or should I rely on keepalive packets with timeouts
> > ?
> >
> > Regards
> >
> > Beyers
> > _______________________________________________
> > click mailing list
> > click at amsterdam.lcs.mit.edu
> > https://amsterdam.lcs.mit.edu/mailman/listinfo/click
> 
>