[OpenSER-Devel] Request for comments: sdpparser: module or integrated into the core

Bayan Towfiq bayan at towfiq.com
Wed Aug 8 09:34:37 CEST 2007


Hi Bogdan,
Also, parsing into pseudo-variables that contain the SDP payload will  
allow simple logic to make routing decisions based on SDP content.

Bayan Towfiq

On Aug 8, 2007, at 3:06 PM, Bogdan-Andrei Iancu wrote:

> Hi Henning,
>
> SDP is also signalling part (for media) and we are evaluation  
> _only_ parsing functions, not functions to manipulate and do SDP  
> changes.
>
> currently there are 2 modules (nathelper and mediaproxy) parsing  
> SDP and there is an intense demand for other SDP related  
> functionalities (like being able to investigate SDP from script,  
> etc); so makes no sense to have n modules, each implementing a parser.
>
> We can have a parser in core and the modules will use it for  
> whatever specific purposes.
>
> If you make the parser a module, it will be rather a library than a  
> module and it will create extra inter-module dependencies that we  
> complicate thinks even more.
>
> Thanks and regards,
> Bogdan
>
> Henning Westerholt wrote:
>> On Tuesday 31 July 2007, Bogdan-Andrei Iancu wrote:
>>
>>> Hi Ovidiu,
>>>
>>> If this will be a collection of functions for parsing, I see no  
>>> reason
>>> for not trying to include them in core. But for such a decision,  
>>> more
>>> info will be needed.
>>>
>>
>> Hello,
>>
>> integrating SDP parser functionality into the core would be the  
>> start for providing more and more SDP and media stream related  
>> functions in OpenSER.
>> I think we should try to stay on focus.
>> - OpenSER is a multi-functional, multi-purpose SIP server: router,  
>> switch,   registrar, application server, redirect server, gateway,  
>> etc..
>> - OpenSER is only about signaling, but there are media adds-on
>>
>> (some quotes of a VON talk of Bogdan)
>>
>> In my opinion we're quite good in this area. But we've already  
>> enough problems to support SIP and all the strange implementations  
>> out there. I don't think its a good move to add to much SDP to our  
>> problem set.
>>
>> So i think a module implementation of a sdp parser would make more  
>> sense.
>>
>> Cheers,
>>
>> Henning
>>
>>
>
>
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