[OpenSIPS-Devel] [Memcached module] Adding cache_increment/cache_decrement methods

[Abhinav Jha]

Sure, I'll attach the patches to this thread shortly. ( after verifying that
they work )

Thanks,
Abhinav

On Wed, Feb 24, 2010 at 2:31 PM, Alex Massover <alex at jajah.com> wrote:

>  I’m also interested in this functionality, would you like to share it? J
>
> Maybe Andrei will like to apply your patches to the trunk J
>
>
>
> *From:* devel-bounces at lists.opensips.org [mailto:
> devel-bounces at lists.opensips.org] *On Behalf Of *Abhinav Jha
> *Subject:* Re: [OpenSIPS-Devel] [Memcached module] Adding
> cache_increment/cache_decrement methods
>
>
>
> Thanks Andrei,
>
>
>
> This helped a lot. I chose the first method (modified the parser to
> recognize cache_increment and cache_decrement methods) and now I have
> working atomic cached_increment and cached_decrement methods in memcached
> module as well :)
>
>
>
> Abhinav
>
> On Mon, Feb 22, 2010 at 4:01 PM, Andrei Dragus <adragus at opensips.org>
> wrote:
>
> Hi there,
>
>
> > 1. cache_fetch, cache_store and cache_remove are not exported by the
> > memcached module anywhere. How then are we able to use them from
> > opensips.cfg ?
>
>     There is a layer of abstractization called memcache(in the core)
> which can be implemented in two ways "memcached" or "localcache" (both
> are modules). The parser recognizes constructs such as "cache_store.."
> in the .cfg file and  calls the appropriate  methods  of the
> abstractization layer (core), which in turn calls the method of the
> registered cache system(module).
>
>    In other words  you need to modify the parser to recognize
> "cache_increment" and "cache_decrement". If you choose this way you must
> also create appropriate methods in the localcache module or at least
> place warnings that they are not implemented.
>
>    There is however a different approach. You can export the 2
> functions as you did, but you need to manually search for the server and
> call the library increment function. Of course the functions will look a
> little different. They will look like this:
>
> int cache_increment (struct sip_msg* msg, char* str1,char * str2 )
> {
>    //...some code to find the appropriate handle in "servers" list
>    // you should use fix-up functions if you know how
>
>    //call the increment  method.
>
>    return 1; // or -1 on error
> }
>
> Hope it helps.
>
> --
> Andrei Dragus
>
> www.voice-system.ro
>
>
>
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