Administrative MTypes

[John Taylor]

On Tue, Jun 10, 2008 at 12:14 PM, Mike Fitzpatrick <fitz at noao.edu> wrote:

> On Mon, Jun 9, 2008 at 4:09 AM, Mark Taylor <m.b.taylor at bristol.ac.uk>
> wrote:
>
> >>  app.event.shutdown
> >
> > .......  So I think I would
> > argue for withdrawing this from the official list of admin messages
> > in the spec.  But I don't insist on this if Mike or others feel strongly.
>
>      I'm not sure I'd say I feel 'strongly' about it, but I do think this
> is
> a valid mtype and keeping it does no harm.  Another use case that
> may change your mind:  An app has become unresponsive for whatever
> reason and so can't itself unregister or issue a shutdown, so after a
> while the hub quits talking to it and issues an app.event.shutdown to
> all the other clients on its behalf.


Wouldn't it just issue an unregister in this situation (after all, the hub
doesn't know that the app has shut down, but it certainly can forcibly
unregister it)?

John
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