In article <CADgchnuMGkA=tQdMtACMWPYX2TgDUwKfbf3g=d+fa3v5bp+...@mail.gmail.com>,
Athanasios Silis <athanasios.si...@gmail.com> wrote:
> Hello there,
> I am trying to use rrd_update_r() to update a rrdb through a c++ program.
> So I am generating the argc/argv on the fly to pass into the function.
>
> The originating string is the following:
>
> time_t tm = time(NULL);
> stringstream ss;
> ss << tm;
> string updstr = string("update sensors.rrd \
> --template CO2unf:CO2fil:O2pp:O2pct:O2temp:O2pres ")\
> + ss.str() + string(":1015:1000:123:20.63:38.48:987");
>
> I get this error from rrd_get_error():
> sensors.rrd: expected timestamp not found in data source from update
>
> Is timestamp not accepted in seconds from EPOCH?
Can you show your code all the way from the above until the call to
rrd_update_r()?
Also, show the value of updstr, to make sure it is what you think it is?
Cheers
Tony
--
Tony Mountifield
Work: t...@softins.co.uk - http://www.softins.co.uk
Play: t...@mountifield.org - http://tony.mountifield.org
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