Hi Jan,

Of course you can, but you need to evaluate the variables before passing it to the route (as param)

$var(msg) = rm + "received on " + $var(hostname);
route(logger, $var(msg));

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 04.12.2016 21:29, Jan Blom wrote:

Hi Bogdan,

Thank you for the clarification. I was suspecting that.

That means I cannot simply drop-in replace calls to xlog with calls to a route and passing the log message as an argument.

What do you think about adding a core function eval() that evaluates a string (possibly recursively)?

Best regards,

Jan

*From:*Bogdan-Andrei Iancu [mailto:bog...@opensips.org]
*Sent:* den 2 december 2016 09:57
*To:* OpenSIPS users mailling list <users@lists.opensips.org>; Jan Blom <jan.b...@peopleinteractive.se>
*Subject:* Re: [OpenSIPS-Users] Problem using xlog with variables

Hi Jan,

You can print via variables strings containing again references to other variables - there is only one level of variable evaluation.

You should do it:
    $var(msg) = $rm + "received on " + $var(hostname);
    xlog("L_INFO", "$var(msg)");

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 01.12.2016 23:36, Jan Blom wrote:

    Hello all,

    I was going to centralized logging functions to a route block that
    would be called from various place in script, using $param(n) to
    access the log message. I got stuck on what I guess is variable
    evaluation. Simplified this is the problem:

    The normal (working) way:

    xlog("L_INFO", "$rm received on $var(hostname)");

    Output: INVITE received on proxy-stage-01

    What I was trying:

    $var(msg) = "$rm received on $var(hostname)";

    xlog("L_INFO", "$var(msg)");

    Output: $rm received on $var(hostname)

    In the latter case the variables are not evaluated the way I was
    expecting.

    Is there a better way to achieve the output of the first example
    by using a variable containing the message to xlog?

    I am testing this on OpenSIPS 2.1.

    Best regards,

    Jan Blom




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