[SR-Users] incomplete values and Wrong Counting for $hfl and $hflc

[Daniel-Constantin Mierla]

Are you using it exactly like $hfl(Record-Route) or is it like
$hfl($var(hname)) with $var(hname) being "Record-Route"?


The first variant is the one covered by $hfl()/$hflc(), parsing of the
name being optimized at startup. On the second variant, the name is
dynamic at runtime, based on the $var() value and simply compares the
generic header names in the list, without any specific optimization for
"Record-Route" case.


I noticed an issue opened on bug tracker and there was the second
variant, while in this message seems to be the first variant. If the
first variant fails, then it is a bug there. If it is the second that
doesn't provide, it's because the feature is not there yet.


Cheers,
Daniel


On 21.07.22 15:00, Patrick Karton wrote:
> the counting and values provided by $hfl and $hflc are wrong and
> incomplete from my understanding. looking at the source code these
> pseudo vars count the body values of Via, Record-Route and Route headers.
>
> in kamalio 5.6.1
>
> with 
> Record-Route: <sip:1.1.1.1;lr=on;nat=yes>
> Record-Route:
> <sip:2.2.2.2:5060;lr;transport=udp>,<sip:3.3.3.3:22506;lr;transport=udp>
>
> i get $hflc(Record-Route) == 2 instead of 3 
>
> and $(hfl(Record-Route)[0]) == 1.1.1.1
>        $(hfl(Record-Route)[1]) == 2.2.2.2
>
>  $(hfl(Record-Route)[3]) does not exists.
>
>
>
>
>
>
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
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