[Devel] Route types

Bogdan-Andrei Iancu bogdan at voice-system.ro
Mon Aug 22 21:08:36 CEST 2005

Hi there,

I just made some delicate changes into OpenSER: so far the route type 
module and was quite overhand for other modules to access it (by 
importing TM module as LCR and CPL-C does).
Secondly, since default ONREPLY route was added in core , things got 
broken - that route was executed as REQUEST_ROUTE actually, since TM was 
the one to change the route type.

As solution, I moved the route type variable into core - route_type; it 
will be set to defaults values REQUEST_ROUTE if a request is received 
and to ONREPLY_ROUTE if reply. The type will be also visible for all 
callbacks (like script, TM, RR, USRLOC).
For module which executes special routes (like TM for FAILURE_ROUTE), 
the modules will have the liberty to set the corresponding route type.
    Ex: before running failure route and TM failure handlers, TM will 
push the FAILURE_ROUTE value into route_type variable; once done, it 
will restore it to initial value.

Same mechanism will be used for BRANCH_ROUTE.


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