[Kamailio-Devel] extra accounting from replies

[Henning Westerholt]

On Thursday 20 November 2008, Daniel-Constantin Mierla wrote:
> This looks to me like half-hack and has to be reviewed if the contexts
> of request and reply don't get messed up. I was looking for something
> else that fixes also this requirement, but not time to check properly
> the impact to contexts, see next...
>
> I was playing with the idea of more generic approach. While the
> accounting of values from reply can be done now in Kamailio via AVPs (or
> $var(...) in some cases) set in onreply_route plus onreply_avp_mode, and
> of course, some more script lines, in particular cases I needed to
> access reply attributes in failure_route or request attributes in
> onreply_route.
>
> My first thought was to add to TM module two new PV classes:
> - $req(PV) to be used in onreply_route to access attributes from the
> request of the transaction
> - $rpl(PV) to be used in failure_route to access attributes from the reply
>
> To solve what you pointed, one has to account $rpl(PV), because acc
> event is done on a transaction callback.
>
> PV will be another valid PV name (e.g., $ru, $hdr(...)), but not
> $req(...) or $rpl(...).

Hi Daniel,

for the moment it possible to work around this limitiation by just copying the 
wanted values in the reply route, as you also mentioned. But the approach you 
suggested is of course more intuitive and has probably a lower overhead.

Cheers,

Henning