[SR-Users] set empty custom global variable

[Daniel-Constantin Mierla]

Have you tried with kamctl, which uses jsonrpc and theoretically you can
pass empty values for parameters?

The binrpc was designed by SER devs during 2005-2008, not sure if there
is any specs for the packet format and whether empty values are
supported or not.

Cheers,
Daniel

On 11.06.21 18:23, Arsen Semenov wrote:
> Then I don’t think it is possible as kamcmd uses kamailio binrpc
> protocol which in turn accepts string or int as an arguments and
> string should be 0 terminated.
>
> I’ve tried to reproduce your use case and execute  kamcmd “cfg.reset
> group” - it should set the value to the default..  but it crushes my
> 5.5.0 
>
> On Fri, 11 Jun 2021 at 8:53 PM, Sergey Safarov <s.safarov at gmail.com
> <mailto:s.safarov at gmail.com>> wrote:
>
>     yes, Arsen, you are correct.
>
>     On Fri, Jun 11, 2021 at 5:20 PM Arsen Semenov <arsperger at gmail.com
>     <mailto:arsperger at gmail.com>> wrote:
>
>         Hello Sergey,
>
>         Am I understanding you right, that you've defined a custom
>         global variable with an empty value in the kamailio.cfg
>         and then want to set a string value to it and then by
>         executing cfg.sets global var_name "" want to clear that value
>         to be blank again? 
>
>         On Fri, Jun 11, 2021 at 4:31 PM Sergey Safarov
>         <s.safarov at gmail.com <mailto:s.safarov at gmail.com>> wrote:
>
>             In Kamailio config I use empty global string variable
>             local.trace_troubleshooting_net = "" descr "trace all SIP
>             messages from given network"
>
>             When I check variable value I get blank string
>             kamcmd cfg.get local trace_troubleshooting_net
>
>             I can set new value
>             [root at host]# kamcmd cfg.sets local
>             trace_troubleshooting_net "2600::/48"
>             [root at host]# kamcmd cfg.get local trace_troubleshooting_net
>             2600::/48
>
>             Now I want to set the empty custom  global variable using
>             a command
>             kamcmd cfg.sets group trace_troubleshooting_net ""
>             But get error
>             error: 400 - error at parameter 2: expected string type
>             but record doesn't match type
>
>             How to properly set empty values?
>
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>
>         -- 
>         Arsen Semenov
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda

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