[SR-Users] avp_delete problem [kamailio 1.5]

Sven Knoblich sven.knoblich at 1und1.de
Fri Feb 24 12:47:55 CET 2012


Hi Daniel,
i will do that and backport the doc-update to the previous versions.

Bye Sven


** Am 24.02.2012 08:19, schrieb Daniel-Constantin Mierla:
>
>
> On 2/22/12 10:26 AM, Sven Knoblich wrote:
>> Ah, ok. thanks. This explains the behaviour. But it isn't explicit 
>> mentioned in the documentation what /g stands for.
>>
>> But next time, i will also have a further look at the sources.
> But now you can enhance the docs, just commit some more details there 
> about this case :-)
>
> Thanks,
> Daniel
>
>>
>> Bye Sven
>>
>> Am 22.02.2012 09:26, schrieb Marius Zbihlei:
>>> On 02/22/2012 09:45 AM, Sven Knoblich wrote:
>>>> Hello all,
>>>> i am currently confused by using the avpops function avp_delete. When i
>>>> run avp_delete without the flag-value \g only the last value will be
>>>> unset (like an undo). Is this the wanted behaviour?
>>> Hello Sven,
>>>
>>> After looking thru the code it seems that this is the wanted 
>>> behaviour (something like sed with /g switch) even in 3.x (master).
>>>
>>> From the fixup function of avp_delete :
>>> <code>
>>>                 case 'g':
>>>                 case 'G':
>>>                     ap->ops|=AVPOPS_FLAG_ALL;
>>> </code>
>>>
>>> This flag is sent as the /all /parameter in destroy_avps in 
>>> usr_avp.c method. (The avp's are inserted in memory in reversed 
>>> order so it's a Last In First Out type structure)
>>>
>>> Cheers
>>> Marius
>>>> EXAMPLE:
>>>>
>>>> $avp(test) = "test"
>>>> if( $avp(test)){xlog("L_NOTICE","result1:$avp(test)\n");}
>>>>
>>>> $avp(test) = "nooo";
>>>> if( $avp(test)){xlog("L_NOTICE","result2:$avp(test)\n");}
>>>>
>>>> avp_delete("$avp(test)");
>>>> if( $avp(test)){xlog("L_NOTICE","result3:$avp(test)\n");}
>>>>
>>>>
>>>> RESULT:
>>>>
>>>> result1:test
>>>> result2:nooo
>>>> result3:test
>>>>
>>>> Could anybody helps me to understand that?
>>>>
>>>> thanks in advance,
>>>> Sven
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>> sr-users at lists.sip-router.org
>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>
>>>
>>> -- 
>>> Zbihlei Marius
>>>
>>> Head of
>>> Linux Development Services Romania
>>>
>>> 1&1 Internet Development srl    Tel KA: 754-9152
>>> Str Mircea Eliade 18            Tel RO: +40-31-223-9152
>>> Sect 1, Bucuresti               mailto:marius.zbihlei at 1and1.ro
>>> 71295, Romania
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> -- 
> Daniel-Constantin Mierla --http://www.asipto.com
> http://linkedin.com/in/miconda  -- http://twitter.com/miconda
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