[Users] Context of flags - flag visibility - in openser

[Bogdan-Andrei Iancu]

Hi Joachim,

briefly, the flags are attached to the transaction - same flags are 
visible for request and its replies (and forks). Once the transaction is 
delete, the flags are also gone.

regards,
bogdan

Joachim Fabini wrote:

>Hi,
>
>Again a question regarding the OpenSER documentation,
>specifically the usage of flags:
>What is the context and visibility scope of flags in 
>openser? What is their lifetime? 
>
>Maybe some piece of code to clarify things:
>
>route
>{
>   if (method=="REGISTER")
>   {
>      setflag(10);
>      # do some processing
>   }
>
>   if ((method=="INVITE")||(method=="BYE"))
>   {
>      setflag(11);
>   }
>
>   # do some more processing
>   t_relay();
>}
>
>onreply_route()
>{
>   if (isflagset(10))
>   {
>      # received a reply on register, process it
>   }
>   if (isflagset(11))
>   {
>      # reply on invite or bye
>   }
>}
>
>a) Can we expect the flags 10/11 to be identical for 
>   route and onreply_route - i.e. in the example above,
>   are the flags in status "set" when processing the 
>   onreply_route? I.e. isflagset(10) returns true if 
>   we process the 200 OK in reply to a REGISTER?
>b) Do we need to explicitely reset the flag or is it
>   automatically cleared? Specifically: If an INVITE
>   and the matching OK are processed, is it required
>   to reset the flag afterwards in onreply_route?
>   I.e., if after the 200OK to INVITE a 200 OK reply 
>   to a SUBSCRIBE is processed by onreply_route and 
>   we did _not_ reset the flag 11, does isflagset(11) 
>   return true or false on the 200 OK for SUBSCRIBE?
>
>Finally another question: must onreply_route be explicitely
>triggered (like for onreply_route[1] using t_on_reply("1")) 
>or is the default onreply_route anyhow executed 
>automatically on any stateful reply?
>
>Thanks in advance,
>--Joachim
>
>
>
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