Hi thrillerbe,
I think that if you only want to build the list of selected
destinations, you can just call use_next_gw and add the uri in RURI to a
destination string ( because use_next_gw sets the RURI to the
destination-
http://www.opensips.org/html/docs/modules/devel/drouting.html#id251519).
It would be something like this:
if (do_routing("1","2"))
{
if ($avp(s:dr_rules_attrs) == "2")
{
xlog("L_INFO","After 1, ds is $ru\n");
$var(x) = 2;
$var(ds) = $ru;
while (use_next_gw())
{
$var(ds) = $var(ds) + "," + $ru;
xlog("L_INFO","After $var(x), ds is $var(ds)\n");
$var(x) = $var(x) + 1;
}
}
xlog("L_INFO","Destination set is $var(ds)\n");
}
Regards,
--
Anca Vamanu
OpenSIPS Developer
On 03/29/2011 01:00 AM, thrillerbee wrote:
I'm trying to get OpenSIPS to act as a REDIRECT server and have run
into a couple issues. I'm using the drouting module to do lookups.
Essentially, a dialed number could have potentially several routes, I
want to return a 300 with these routes in the Contact header. Please
tell me if this is foolish and/or there are better methods.
I'm running release version 1.6.4-2-notls.
With that, I've configured the following in my script:
if (do_routing("1","2"))
{
if ($avp(s:dr_rules_attrs) == "2")
{
xlog("L_INFO","After 1, ds is $ds\n");
$var(x) = 2;
while (use_next_gw())
{
append_branch();
xlog("L_INFO","After $var(x), ds is $ds\n");
$var(x) = $var(x) + 1;
}
}
xlog("L_INFO","Destination set is $ds\n");
}
My relevant debug output is:
After 1, ds is Contact: sip:15552345678@1.1.1.1
<mailto:sip%3A15552345678@1.1.1.1>
After 2, ds is Contact: *sip:2215552345678@2.2.2.2
<mailto:sip%3A2215552345678@2.2.2.2>, sip:2215552345678@2.2.2.2
<mailto:sip%3A2215552345678@2.2.2.2>*
After 3, ds is Contact: *sip:5552345678@3.3.3.3
<mailto:sip%3A5552345678@3.3.3.3>*, sip:2215552345678@2.2.2.2
<mailto:sip%3A2215552345678@2.2.2.2>, *sip:5552345678@3.3.3.3
<mailto:sip%3A5552345678@3.3.3.3>*
After 4, ds is Contact: *sip:15552345678@5.5.5.5
<mailto:sip%3A15552345678@5.5.5.5>*, sip:2215552345678@2.2.2.2
<mailto:sip%3A2215552345678@2.2.2.2>, sip:5552345678@3.3.3.3
<mailto:sip%3A5552345678@3.3.3.3>, *sip:15552345678@5.5.5.5
<mailto:sip%3A15552345678@5.5.5.5>*
After 5, ds is Contact: *sip:4415552345678@4.4.4.4
<mailto:sip%3A4415552345678@4.4.4.4>*, sip:2215552345678@2.2.2.2
<mailto:sip%3A2215552345678@2.2.2.2>, sip:5552345678@3.3.3.3
<mailto:sip%3A5552345678@3.3.3.3>, sip:15552345678@5.5.5.5
<mailto:sip%3A15552345678@5.5.5.5>, *sip:4415552345678@4.4.4.4
<mailto:sip%3A4415552345678@4.4.4.4>*
It seems that append_branch() deletes the first entry in the
destination set before adding the current RURI to the beginning and
end. Is there an easier or more predictable way to write to the
destination set?
Also, it seems the append_branch() function will not take variables or
avps as parameters. Is there a known way of setting different q-values
as a destination set is generated? The below obviously doesn't work
but should explain what I'm looking for:
var(q) = 90;
while (use_next_branch())
{
append_branch("$ru","$var(q)");
$var(q) = $var(q) - 10;
}
Thanks,
Ryan
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