[SR-Users] How to use port number using $env in listen

[Daniel-Constantin Mierla]

You have to put the the #!subst and listen after loading pv module.

Probably env and def variable should be relocated to core, not having
SIP/runtime dependency, to facilitate their use during start up.

Cheers,
Daniel

On 22.12.20 06:58, Syed Shahryar wrote:
> Any updates on this?
>
> On Tue, Dec 15, 2020 at 8:13 PM Syed Shahryar <syedshahryar at gmail.com
> <mailto:syedshahryar at gmail.com>> wrote:
>
>     I am new to Kamailio so may be doing something wrong. I looked
>     at https://www.kamailio.org/wiki/cookbooks/5.4.x/core
>     <https://www.kamailio.org/wiki/cookbooks/5.4.x/core>.
>
>     I tried the following combinations but getting errors in all cases:
>
>     #!subst "/EVAPI_PORT/$env(EVAPI_PORT)/"
>     #!substdef "/EVAPI_PORT/$env(EVAPI_PORT)/"
>     #!substdefs "/EVAPI_PORT/$env(EVAPI_PORT)/"
>
>     *Errors:*
>      0(6) ERROR: <core> [core/pvapi.c:924]: pv_parse_spec2(): error
>     searching pvar "env"
>      0(6) ERROR: <core> [core/pvapi.c:1127]: pv_parse_spec2(): wrong
>     char [E/69] in [$env(EVAPI_PORT)/] at [5 (5)]
>      0(6) ERROR: <core> [core/re.c:170]: parse_repl(): bad specifier
>     in replace part /$env(EVAPI_PORT)/
>      0(6) ERROR: <core> [core/ppcfg.c:69]: pp_subst_add(): bad subst
>     expression: /EVAPI_PORT/$env(EVAPI_PORT)/
>
>     At a later step, I would like to do:
>     #!define EVAPI_LISTEN "0.0.0.0:EVAPI_PORT"
>
>     And use EVAP_LISTEN in mod_param for the evapi module.
>
>     And something similar to above for TLS settings.
>
>
>     On Tue, Dec 15, 2020 at 12:41 PM Daniel-Constantin Mierla
>     <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>         Hello,
>
>         as written on the tracker, look at using #!subst or #!substdef
>         (see core cookbook), they should be able to get the
>         substitution value from environment using $env(NAME).
>
>         The master branch introduced #!defenv as a (simpler) alternative.
>
>         Cheers,
>         Daniel
>
>         On 12.12.20 05:33, Syed Shahryar wrote:
>>         I tried many combinations of the following but I keep getting
>>         syntax errors:
>>
>>         listen=tls:TLS_IP:$env(TLS_PORT) advertise
>>         PUBLIC_IP:$env(TLS_PORT)
>>
>>
>>         TLS_IP and PUBLIC_IP are constants defined at the top using
>>         #!define. And, TLS_PORT is supposed to be the env variable.
>>
>>
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>         Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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