[Users] using AVPs to write into database

[Jayesh Nambiar]

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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