D-Bus service shutdown on inactivity
thiago at kde.org
Wed Jan 13 03:40:25 PST 2010
Em Quarta-feira 13 Janeiro 2010, às 12:26:31, Marriouss escreveu:
> > I want my service to free the memory when it is not used.
> > Use case:
> > - daemon that creates the service is auto-launched by D-Bus when the
> > first
> > client connects to it - client finishes with the service
> > - daemon should auto-close - nobody is using it
> > My problem: I do not know when I have clients connected to my service. I
> > was hoping that D-Bus offers this functionality. If not, should I
> > implement such an API into my service, something like: Client calls
> > addRef when it connects and calls unref when its done?
> > Try using QDBusServiceWatcher
> > (http://doc.trolltech.com/4.6/qdbusservicewatcher.html) in
> > WatchForUnregistration mode.
> That doesn't help - the watcher would be created from inside the daemon,
> the same daemon that registers/unregisters the service at
> startup/shutdown - that doesn't help in determining when there are no
> clients connected to my service.
Your daemon watches its clients. When all of the clients have disappeared, the
daemon shuts down.
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
Senior Product Manager - Nokia, Qt Development Frameworks
PGP/GPG: 0x6EF45358; fingerprint:
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