radsqlrelay: can't it just give up sometimes?

[Stefan Winter]

Hi,

> The joys of broken NAS kit. We've used a bit of unlang in our config for
> accounting for years to skip illegal packets. I think the default config
> now has similar?

It still doesn't catch everything, and I keep chasing corner cases every
once in a while (after losing stats due to queued SQL in radsqlrelay :-( ).

Looking at 3.0 mysql:queries.conf I see a Stop record:

UPDATE ${....acct_table2} SET
acctstoptime    = FROM_UNIXTIME(%{integer:Event-Timestamp}),
acctsessiontime = '%{Acct-Session-Time}',
...

which is the exact thing that broke: in its wisdom, a new NAS did NOT
include Acct-Session-Time in its Stop packets, which turned the
statement into

acctsessiontime = '',

which triggered the integer error in my original posting. I don't see
AcctSessionTime mangling anywhere in raddb, so don't think this would be
caught by unlang.

Of course the proper fix would be to then calculate
SessionTime = (StopTime-StartTime), but the far more convenient fix for
me was

acctsessiontime = '%{%{Acct-Session-Time}:-0}',

since it's just a worthless eduroam accounting table which we don't make
much use of anyway.

I would still much appreciate if such kinds of errors wouldn't clog up
the query queue.

Greetings,

Stefan Winter

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