[Users] query on openser

[Vivek Bhat]

Hi Norman,

Thanks for your response. It is working now.

I tried to understand how avp_subst() works. How
avp_subst() gets the correct string in s:match in the
example below? What is "\1" token doing here? Could
you please explain? I read the openser module
document, but could not understand either :-) 

Thanks,
Vivek

--- Norman Brandinger <norm at goes.com> wrote:

> Hi Vivek,
> 
> Below is an example that appears to solve your
> problem.
> 
> Note that the regular expression in the avp_subst()
> statement was made 
> specifically for this example.    Based on your
> example, the "needle" 
> that is being matched is preceded by an underscore. 
> If this can ALWAYS 
> be guaranteed then you shouldn't have a problem
> using this regular 
> expression.  If the haystack has some other known
> pattern that a regular 
> expression can be used to match, then all you have
> to do is create 
> another regular expression and drop it into the
> example below.
> 
>   avp_write("7267261000", "$avp(s:needle)");
>  
>
avp_write("<sip:termdoneatscsf_7267261000 at test.com;lr>",
> 
> "$avp(s:haystack)");
>  
>
avp_subst("$avp(s:haystack)/$avp(s:match)","/<sip:.*_(.*)@(.*)>/\1/");
>  
>   xlog("L_NOTICE", "needle=($avp(s:needle))
> haystack=($avp(s:haystack)) 
> match=($avp(s:match))\n");
> 
>   if
> (avp_check("$avp(s:needle)","eq/$avp(s:match)/g")) {
>     xlog("L_NOTICE", "Match found\n");
>   } else {
>     xlog("L_NOTICE", "Match not found\n");
>   }
> 
> Regards,
> Norm
> 
> 
> Vivek Bhat wrote:
> > Hi,
> >
> > I have installed openser v1.1.0 on Linux system.
> >
> >
> > I have problem checking if "Route" header contains
> the
> > "username" of Req-URI as below:
> >
> > Req-URI will be like "sip:7267261000@<domain>"
> > and Route header will be like
> > "<sip:termdoneatscsf_7267261000@<domain>;lr>
> >
> > # To get the RURI I did like this
> > avp_write("$ru/username", "$avp(UNAMEOFRURI)"); 
> > avp_print();
> >
> > # To get the Route Header, I did like this
> > avp_write("$hdr(Route)", "$avp(ROUTEUSERNAME)");
> > avp_print();
> >
> > Now, what is the best way to check if
> > $avp(ROUTEUSERNAME) contains $avp(UNAMEOFRURI)?
> >
> > I tried as below, and it gives error "regexp
> requires
> > string value"
> >
> >
>
if(avp_check("$avp(UNAMEOFRURI)","re/$avp(ROUTEUSERNAME)/gi"))
> > {
> >
> > 	log(1, "Usernames of RURI is found inside Route
> > header."); 
> > } else
> >                                         {
> > 	log(1, "Usernames of RURI is NOT found inside
> Route
> > header."); 
> >
> > }
> >
> > Instead of avp_check, I tried to use search as
> below:
> > if(search("^(Route):.*$ru/username.*"))
> > {
> >          log(1, "Usernames of RURI is found inside
> > Route header."); 
> > }
> >
> > But, it didn't work either. 
> >
> > Please suggest what is the best method to do this?
> >
> > Thanks,
> > Vivek
> >
> >
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> >
> >
> >   
> 
> 


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