17 Aug
2016
17 Aug
'16
10:09 a.m.
Issue:
------------------------------------------
Asynchronous Route Blocks gets executed as a failure_route, even though there never ever
was a failure.
Version:
------------------------------------------
GIT Trunk (dev), not checked earlier versions.
Example Config / how to reproduce
------------------------------------------
I've got the following main route:
```
route {
[...]
if (is_method("PUBLISH") && search("^(Event|o)([ \t]*):([
\t]*)reg")) {
route(PUBLISH);
break;
}
async_sleep("1");
#Set DLG flag to track dialogs using dialog2
if (!is_method("REGISTER|SUBSCRIBE"))
setflag(FLT_DIALOG);
[...]
}
```
With debugger module enabled, it shows as follows in syslog:
```
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6968]: ERROR: ***
cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=397 a=25
n=is_method
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6968]: ERROR: ***
cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=407 a=16 n=if
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6968]: ERROR: ***
cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=402 a=25
n=is_method
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6968]: ERROR: ***
cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=407 a=25
n=async_sleep
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6975]: ERROR: ***
cfgtrace:failure_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=414 a=16 n=if
Aug 17 15:41:09 ubuntu-2gb-fra1-01 [6975]: ERROR: ***
cfgtrace:failure_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=410 a=25
n=is_method
```
------------------------------------------
Why is route_type suddenly a failure-route? At a different part of my logic, this leads to
unexpected results.
Looking at modules/tm/t_suspend.c (lines 277 ff.), I see the reason:
```
route_type_bk = get_route_type();
set_route_type(FAILURE_ROUTE);
/* execute the pre/post -script callbacks based on original route block */
if (exec_pre_script_cb(&faked_req, cb_type)>0) {
if (run_top_route(route, &faked_req, 0)<0)
LM_ERR("failure inside run_top_route\n");
exec_post_script_cb(&faked_req, cb_type);
}
set_route_type(route_type_bk);
```
Any particular reason, why the route-type is explicitly set to FAILURE_ROUTE?
Thanks,
Carsten
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