[OpenSER-Devel] Request for comment: module interface extension

[Bogdan-Andrei Iancu]

Hi Henning,

is ok with me. I suggest to have a maximum 6 parameters from script (and 
7 for the C prototype). I think is more than enough.

regards,
bogdan

Henning Westerholt wrote:
> On Tuesday 18 December 2007, Dan Pascu wrote:
>   
>>> [...]
>>>       
>> function(struct sip_msg *msg, ...) {}
>> function(struct sip_msg *msg, char *uri, char* fl, ...) {}
>>
>> So how is the array thing simpler than this? This is just a way to be able
>> to receive more arguments than 2 without having to force all module
>> functions to accept 10 arguments while still using the same mechanism we
>> already have. Only the script parser method of calling the functions has
>> to change (by passing more than 2 arguments) and by adding the ellipsis
>> to all module exported functions (we can even get away without the latter
>> by using typecasting so we don't even have to use the ellipsis notation
>> and varargs at all, unless we want to have a single function handle
>> multiple signatures).
>>     
>
> Hello Dan,
>
> Ah, now i understand.. :-) It hard to get the _exact_ structure of a interface 
> without any example code or implementation.
>
> I was not aware that this is possible within the C language and stdargs.h. I 
> begin to like this.. ;-)
>
> This proposed interface is ok for us. Bogdan, what do you think?
>
> Cheers,
>
> Henning
>
>