[SR-Users] JANSSON module not working for multiple JSON objects

Daniel-Constantin Mierla miconda at gmail.com
Wed Apr 26 08:00:34 CEST 2017


I haven't developed the module, will have to look at the code, but I
would expect to work for the array object, given it relies on libjansson
external library.

Maybe you can try with:

$avp(result1)="{\"a\":[{\"origin\":\"125.16.231.74\",\"Dest\":\"725.76.731.77\"}]}";

just to see if it works and there is no problem parsing that array, but
the problem is having an array as root object.

Cheers,
Daniel


On 26.04.17 07:51, vivek at advaitamtech.com wrote:
>
> There are no error messages for the below test JSON object. Let me
> give you a clear picture,
>
>  
>
> $avp(result1)="{\"origin\":\"125.16.231.74\",\"Dest\":\"725.76.731.77\"}"
> --> Successfully parsed and result is recevied.
>
>  
>
> $avp(result1)="[{\"origin\":\"125.16.231.74\",\"Dest\":\"725.76.731.77\"}]";
> --> No Error and no parsed result either.
>
>  
>
> $avp(result1)="{\"origin\":\"125.16.231.74\",\"Dest\":\"725.76.731.77\"},{\"origin\":\"225.26.231.24\",\"Dest\":\"225.26.231.27\"}";
> --> Results in error.
>
>    ERROR: jansson [jansson_funcs.c:59]: janssonmod_get(): failed to
> parse: 
> {"origin":"125.16.231.74","Dest":"725.76.731.77"},{"origin":"225.26.231.24","Dest":"225.26.231.27"}
> ERROR: jansson [jansson_funcs.c:61]: janssonmod_get(): json error at
> line 1: end of file expected near ','
>
> $avp(result1)="[{\"origin\":\"125.16.231.74\",\"Dest\":\"725.76.731.77\"},{\"origin\":\"225.26.231.24\",\"Dest\":\"225.26.231.27\"}]"
> --> No error. But no result either. GIves result as zero.
>
>  
>
> I understand that with "[ ]" , its the right JSON object. But api
> doesnt give the parsed result.
>
>  
>
> Thanks,
>
> Vivek.
>
>  
>
> -----Original Message-----
> From: "Daniel-Constantin Mierla" <miconda at gmail.com>
> Sent: Tuesday, 25 April, 2017 7:47pm
> To: "Kamailio (SER) - Users Mailing List"
> <sr-users at lists.kamailio.org>, sr-users at lists.sip-router.org
> Subject: Re: [SR-Users] JANSSON module not working for multiple JSON
> objects
>
> Hello,
>
>
> On 25.04.17 15:57, vivek at advaitamtech.com wrote:
>
>     Hi All,
>
>      
>
>     Am using JANSSON module to parse the JSON object I receive.
>
>      
>
>     I tried using JSON module of kamailio. Since its giving error in
>     loading the module due to  error"libjson-c.so.3: cannot open
>     shared object file: No such file or directory", I went ahead to
>     use JANSSON module.
>
>      
>
>     JANSSON module is parsing the single JSON object perfectly. But
>     not parsing the multiple JSON objects.
>
>      
>
>     JSON object am trying to parse:
>
>     $avp(result1)=
>     "[{"origin":"125.16.231.74","Dest":"725.76.731.77"},{"origin":"225.26.231.24","Dest":"225.26.231.27"}]"
>
>      
>
>     JANSSON API used: jansson_get("origin", "$avp(result1)",
>     "$var(origin)");
>
>      
>
>     Any suggestions will be really helpful.
>
> are there any error messages?
>
> Cheers,
> Daniel
>
> -- Daniel-Constantin Mierla www.twitter.com/miconda --
> www.linkedin.com/in/miconda Kamailio Advanced Training - May 22-24
> (USA) - www.asipto.com Kamailio World Conference - May 8-10, 2017 -
> www.kamailioworld.com
>

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

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