[sr-dev] Executing python script under certain conditions (whether it is audio or video) in Kamailio SIP CS

[Daniel-Constantin Mierla]

Hello,

not using app_python, but from its readme file I understand that the
script is loaded at startup, then you can execute methods (functions)
from it at runtime.

Is setflow() a function inside the setflow.py script?

Cheers,
Daniel


On 05/11/14 14:21, Azamat Ailbayev wrote:
> Dear All,
>  
> I am trying to execute python script from the kamailio. According to
> documentation I have initialized everything and it works. As soon as I
> run the Kamailio the python script is executed. 
>  
> However, according to my task I need to execute the script based on
> session media type (WebRTC communication type) whether it is audio or
> video.
>  
> For that purpose there was used SDPOPS module with function
> sdp_with_media("video"). 
>  
> So, in config file it looks like: 
>  
> #!ifdef WITH_WEBSOCKETS
> loadmodule "xhttp.so"
> loadmodule "websocket.so"
> loadmodule "nathelper.so"
> loadmodule "sdpops.so"
> loadmodule "app_python.so"
> #!endif
> ......
> modparam("app_python", "script_name",
> "/usr/local/etc/sip-router/setflow.py")
> modparam("app_python", "mod_init_function", "mod_init")
> modparam("app_python", "child_init_method", "child_init")
> ......
> ......
> request_route {
>  
>  
> if (sdp_with_media("video")){
>        python_exec("setflow");
> }
> ..........
> ..........
>  
> Basically, this python script should be executed if the media session
> is video. For that it should have analyzed SDP body during the session
> establishment. However, it is executed as soon as kamailio is running.
> There was no any session establishment procedure (no INVITE), three
> way handshake, etc.  
> How it is possible to solve this issue? Do I need to execute it under
> certain conditions or am I missing something? Why the script is
> executed even though it is in "if" statement? I thought that it would
> execute the script if condition is true. 
>  
> Thank you in advance.
>  
> Cheers,
> Azat
>
>
> Best Regards,
> Azamat Ailbayev
> Mob.: +49 (0) 15215023005
>
>
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> sr-dev at lists.sip-router.org
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Nov 24-27, Berlin - http://www.asipto.com

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