Hello guys,

I ended up doing:

route[DISPATCH] {
  # round robin dispatching on gateways group '1'
  if(!ds_select_dst("1", "4")) {
    send_reply("404", "No destination");
    exit;
  }
  if(!is_ip($(du{s.rm,sip:}{re.subst,/:.*//})) && !dns_query("$du", "xyz")) {
    xlog("L_DBG", "--- SCRIPT: Marking $du as Inactive/NotProbing!\n");
    ds_mark_dst("ip");
    route(DISPATCH);
  }
  route(RELAY);
}

This will do a dns_query only if $du is not a valid ip address, and if the resolution fails, will mark the destination as INACTIVE and try again with the same route.

Hope this makes sense.

Regards,

David Villasmil
phone: +34669448337


On Fri, May 6, 2022 at 8:50 AM Daniel-Constantin Mierla <miconda@gmail.com> wrote:

Hello,

you can put the group of actions inside a route block and then execute that route block from failure_route and other locations in your config.

Cheers,
Daniel

On 05.05.22 19:50, David Villasmil wrote:
Hello guys,

Is it possible to call a failure_route like a normal route?

i.e.:

{
  t_on_failure("myroute");
}
...

route("myroute");

failure_route[myroute] {
...
}

Let me explain:

I have this scenario where a DNS name may get deleted and a dns resolution will fail. There's no pinging to that gateway so i need to:

- skip that gateway when dispatching to the setid
- detect whether the domain is up and available

And failover to the next gateway.

I don't know of any other way so on the DISPATCH route, I'm doing:

route[DISPATCH] {
  # round robin dispatching on gateways group '1'
  if(!ds_select_dst("1", "4")) {
    send_reply("404", "No destination");
    exit;
  }
  xlog("L_DBG", "--- SCRIPT: going to <$ru> via <$du>\n");
    if(dns_query("$du", "xyz")) {
      t_on_failure("RTF_DISPATCH");
      route(RELAY);
    } else {
      route(RTF_DISPATCH);
    }
    exit;
}

to try to resolve and if it fails, it will just go to the failover route.


makes sense?


Regards,

David Villasmil
phone: +34669448337

__________________________________________________________
Kamailio - Users Mailing List - Non Commercial Discussions
  * sr-users@lists.kamailio.org
Important: keep the mailing list in the recipients, do not reply only to the sender!
Edit mailing list options or unsubscribe:
  * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online
  * https://www.asipto.com/sw/kamailio-advanced-training-online/