[Users] Re: [Devel] avpops updates

[Daniel-Constantin Mierla]

The documentation for avpops module was updated to reflect the latest 
changes and published online at:

http://openser.org/docs/modules/1.1.x/avpops.html

Cheers,
Daniel


On 02/10/06 21:44, Daniel-Constantin Mierla wrote:
> Hello,
>
> the avpops module was refurbished to benefit better of 
> pseudo-variables. In addition, the avp and hdr pseudo-variables can 
> have dynamic names. Here are some details:
>
> - all parameters being avp names in avpops functions MUST be specified 
> in the same format as pseudo-variables:
>     - $avp(i:23) - refers to the avp having the integer id 23
>    - $avp(s:test) - refers to the avp having the name 'test'
>    - $avp($aliasid) - refers to the avp defined by avp alias 'aliasid'
>    - example: avp_write("i:10", "$avp(i:30)") - write integer value 10 
> into the avp having the id 30
>
> - avps and hdrs pseudo-variables can have dynamic names:
>    -$avp($pvar) refers to the avp having the name the value of $pvar
>    -$hdr($pvar) refers to the hdr having the name the value of $pvar
>    - please note that the pseudo-variables specifiers have priority 
> over avp aliases (if you define an avp alias $ru, $avp(ru) will refer 
> to the avp having the name the value of R-URI)
>
> - in all parameters of avpops module can be used pseudo-variables 
> where are expected values
>    - avp_check("$fd", "eq/$td") returns true if the domain of From uri 
> is the same with domain part of To uri
>    - avp_write("$tU", "$avp($fU)") - writes the username in To header 
> in the avp having the name the username from From header
>
> - avp_pushto() - cannot add anymore headers - same functionality is 
> provided by the textops module via append_hf() and append_to_reply() 
> functions
> - the format of the first parameter of avp_pushto() follows the 
> pseudo-variables names as well.
>    - avp_pushto("$ru[/username|domain]", "...") to rewrite parts of R-URI
>   - avp_pushto("$du", "...") to rewrite dst_uri
>
> - for developers, internal structure int_str has changed from (int, 
> str*) to (int,str) to avoid extra reference
>
> - the documentation will be updated soon (module readme and avpops 
> tutorial)
>
> Still to come:
> - support for global avps: avps shared between all processes during 
> the openser lifetime
> - support for script avps: avps specific per process with life time 
> only during the script execution (temporary avps, which do not need to 
> last too much, using private memory)
> - support for local avps: avps specific per process kept during 
> openser lifetime (avps which need to be kept for each process, without 
> synchronized access, using private memory)
> - avp_db_query() - ability to send a raw query (simple, joins, unions 
> ...) to database and load the result in avps (e.g., 
> avp_db_query("select first_name, last_name from subscriber where 
> username='$tU' and domain='$td'", "$avp(first_name);$avp(last_name)"))
>
> Testing and feedback are more than welcome.
>
> Cheers,
> Daniel
>
>
>
>
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