[vdr] vdr-api: how to check if VDR is up?

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sat Jun 13 15:53:26 CEST 2009

On 06/08/09 08:59, Christian Wieninger wrote:
> Hi,
> the epgsearch plugin handles some tasks as separate threads, that also 
> use SVDRP to talk to VDR. Currently these threads are started after a 
> fixed time (e.g. 20s) to give VDR the time to start up.
> A user reported that epgsearch fails in SVDRP communication, because VDR 
> was still waiting for its devices (and therefore is not yet ready to 
> accept SVDRP connections):
> Jun  3 20:07:40 vdr vdr: [3466] not all devices ready after 30 seconds
> These 30 seconds are only defined in vdr.c and are therefore 'invisible' 
> to plugins. So I'm looking for 'clean' way to check if VDR is up and ready.
> Of course, one could do any SVDRP command, e.g. 'help', and check the 
> result, but thats quite cumbersome.
> Next idea: use cPlugin::Housekeeping() to signal the threads that VDR is 
> idle now after startup. This works, but sometimes takes up to >90s.
> Any idea how to get a better solution?

You could implement cPlugin::MainThreadHook(), which is called at the
end of the main loop.


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