[Users] using AVPs to write into database

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Apr 5 20:04:14 CEST 2006


Hi,

you are setting a wrong first param for avp_db_store:
 see http://www.voice-system.ro/docs/avpops/ar01s06.html#avp_db_store

regards,
bogdan

Jayesh Nambiar wrote:

> Hi Bogdan,
> Thanks for the reply and sorry for sending the earlier mail 4 times as 
> yahoo was not responding peoperly.
> When I do an avp_write(), why does the avp name get stored in the uuid 
> column?
> I am not using any uuid as of now. I also tried to add the username of 
> the person who is calling but it again creates two rows, one with the 
> value as
> username and other row with the value as forwarded number.
> I thought if there is a way to insert the username also, it wud be 
> easier to check, if the incoming call for that user is to be forwarded 
> or not.
> I get the following in my usr_preferences table after I dial 86 
> followed by any number.
>  
> +-----------+----------+--------+-----------+------+-----------------------------+---------------------+
> | uuid      | username | domain | attribute | type | 
> value                       | modified            |
> +-----------+----------+--------+-----------+------+-----------------------------+---------------------+
> | s:callfwd |          |        | callfwd   |    0 | 
> sip:5515551478 at 202.80.61.10 | 2006-04-05 19:10:49 |
> +-----------+----------+--------+-----------+------+-----------------------------+---------------------+
>
> The script snippet is as follows:
>  
>  if(uri=~"^sip:86[0-9]*@") {
>             
>                      strip(2);
>                      avp_write("$ruri", "s:callfwd");
>                      #avp_write("$from/username", "i:999");
>                      #avp_db_store("i:999", "i:/usr_preferences");
>                      avp_db_store("s:callfwd", 
> "s:callfwd/usr_preferences");
>                      sl_send_reply("200", "OK");
>                      exit;
>         };  
>        
>
> */Bogdan-Andrei Iancu <bogdan at voice-system.ro>/* wrote:
>
>     Hi,
>
>     you need two steps:
>     1) write the ruri (after strip) into an AVP - use avp_write()
>     2) write the avp into the db - use avp_db_store()
>
>     regards,
>     bogdan
>
>     Jayesh Nambiar wrote:
>
>     > Hi all,
>     > I am trying to implement the call forwarding feature in openser.
>     The
>     > forwarding part is fine. But I have the follwing scenario:
>     > Whenever a user needs to change his forwarding number, he should be
>     > able to do so from his end device only.
>     > For eg: He first presses 86 and then the 10 digit number to be
>     > forwarded. Here the 86 has to be stripped and the 10 digit number
>     > should be inserted into the call forward value column of the
>     > preferences table.
>     > Also if he wants to remove the forwarded number, he can do so by
>     > pressing say for eg: 87. on receiving this number openser should
>     > delete that value from the
>     > table.
>     > Is this possible. I tried to do the following, but somehow it
>     does not
>     > change the
>     > value.
>     > if(uri=~"^sip:86[0-9]*@") {
>     > if(avp_db_load("$from/username", "s:callfwd")) { #check
>     > if call-fwd feature is enabled for the user
>     > log(1,"AVP condition returned true");
>     > strip(2);
>     > avp_write("$ruri", "s:callfwd");
>     > avp_print();
>     > log(1,"AVP written");
>     > sl_send_reply("200", "OK");
>     > exit;
>     > };
>     > };
>     > Is avp_write the proper method or I guess avp_db_store can also
>     help
>     > me. The avp_print() function also does not show me anything in the
>     > log. Are there any
>     > logical mistakes or I have mis-interpreted the syntax of avpops
>     functions.
>     > Please help me in thsi regard.
>     > Thanks a lot in advance.
>     > Jayesh.
>     >
>     >
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