tree f58e892e5a5243a03433e7b5e926ea9f017d15ea
parent 891bbde7eb6506a68b690b52b25dfa4f08904e88
author Michal Orzel <michalx.orzel@intel.com> 1666955416 +0200
committer Michal Orzel <michalx.orzel@intel.com> 1685702422 +0200

Handle possible SdBus exceptions

Right now service allows to access several signals using DBus
interface, instead of GPIO pins. In case of that option selected in
config, service will try to read given DBus property using function
getProperty. Unfortunately that attempt might fail, for example when
that specific object doesn't exist yet, which will cause with
unhandled exception and evantually service restart.

This change adds handler for that sort of exception. If read property
fails, another one will be scheduled in the next second. That process
shall be repeated until value is successfully read. As there are
several possible properties to read, each one shall utilize its own
timer, so that every failure can be handled independently from each
other.

Tested:
Change has been tested on Intel platform, which showed symptoms
described above: service tried to get property which has not yet been
created, which caused its crash and restart. With this fix applied,
issue stopped reproducing.

Change-Id: Ib9b89e07a348868d2f15ffda31b3dc9a47340873
Signed-off-by: Michal Orzel <michalx.orzel@intel.com>