On Tue, Dec 9, 2014 at 9:40 AM, Stuart Henderson <st...@openbsd.org> wrote:
> On 2014/12/09 09:36, David Higgs wrote:
>> On Tue, Dec 9, 2014 at 5:02 AM, Stuart Henderson <st...@openbsd.org> wrote:
>> > On 2014/12/08 15:04, David Higgs wrote:
>> >> As per an earlier thread on misc@, this fixes sensorsd.conf(5)
>> >> parsing of SENSOR_INDICATOR values. Since parsing as integers was both
>> >> undocumented and confusing, it is no longer supported. Also, bail on
>> >> error if the high/low values don't create a valid range.
>> >
>> > Low/high transitions don't make sense for these types of sensor anyway.
>> > That was a quick hack because the indicator sensors don't function as
>> > "status" sensors (but I didn't get as far as working out why).
>> >
>> >> This mimics existing behavior, but still isn't very intuitive. I.e.
>> >> "low=Off:high=On" will always be "within" user limits. Should
>> >> indicators limits behave differently?
>> >>
>> >> Feedback is welcome.
>> >
>> > Specific feedback on the diff, I'm not keen on the case sensitive
>> > comparison (so at least use strcasecmp). But it feels to me like if
>> > we're changing things in this area we should fix it properly rather than
>> > continue the hack but using strings instead of integers. In my opinion
>> > the proper fix would be to treat these sensors as "status" sensors.
>> >
>>
>> I'm looking into adding some status changes to upd(4), but it probably
>> isn't safe to assume that all devices provide useful status
>> indicators.  I don't think all of them have an obvious mapping to
>> status and are best left as informational, but sensorsd(8) should have
>> a way to add user limits / triggers regardless.
>>
>> I'll look into this, thanks.
>
> I was thinking more that it might be better for sensorsd internally
> to treat state transitions of "indicator" sensors like it treats
> status changes, rather than change how the sensors themselves report.
> What do you think?

Yes, that makes a lot of sense.  I still think that some of them
should have an associated status for reporting purposes (AC power loss
or mfi(4) drive status), but indicators could automatically trigger on
value changes.  User-specified high/low settings will be ignored or
rejected.  The %l (above / below / within / etc) output may need
rethinking...

--david

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