[SR-Users] #cfgutils: sleep(x) does not work in failure_route

[Klaus Feichtinger]

Hello list,

I have troubles using the function "usleep(x)" or "sleep(x)" (the 
behaviour is the same) of the "cfgutils" module 
(http://kamailio.org/docs/modules/3.2.x/modules_k/cfgutils.html#idp76968) in 
the failure_route. According documentation, this function could be used 
in any route, including the failure_route, too. However, when I call 
this function, it does not show any reaction, if a transaction was 
already answered with a provisional response. It is still working fine, 
when a transaction is timing out, as no target socket is reachable. This 
is confusing me!

Please find below some xlog messages from my configuration file in two 
scenarios (function "|t_set_fr(20000, 10000);" is identic in both 
scenarios|):
(1) scenario 1 is including a primary target, looked up in the registrar 
DB, which is unreachable; after transaction timeout I have inserted the 
function "sleep()" in the failure_route for forcing a delay
=> here it is working fine (see timestamp)

(2) scenario 2 is including a primary target which is responding, but 
not establishing the session; after transaction timeout the procedure is 
still the same as in scenario (1)
=> here is no delay visible in the log and practically detectable

 From my point of view, this is a malfuntion! Does anybody see it 
different? I´ve tested these scenarios with kamailio-3.2.x and 
kamailio-3.3.x - no difference.

Thanks for any hints!

Klaus

################# SCENARIO (1)  ORIG TARGET IS UNREACHABLE 
##########################
Nov  6 15:58:25 sipsrvnode1 /usr/sbin/kamailio[28879]: INFO: -<|XLOG|>-: 
<RELAY> is reached for RU: sip:117002 at 10.16.48.226:5678, From: 
sip:1101015555 at 10.16.48.71, To: sip:115300 at 10.16.48.44, Method: INVITE, 
Call-ID: 1107651805 at 10.16.48.71

Nov  6 15:58:35 sipsrvnode1 /usr/sbin/kamailio[28880]: INFO: -<|XLOG|>-: 
<FAILRELAY> is reached with Code: 408 From: sip:1101015555 at 10.16.48.71 
To: sip:115300 at 10.16.48.44

Nov  6 15:58:35 sipsrvnode1 /usr/sbin/kamailio[28880]: INFO: -<|XLOG|>-: 
failure_route <FAILRELAY> is reached because of a BRANCH_TIMEOUT of RU: 
sip:117002 at 10.16.48.226:5678

Nov  6 15:58:35 sipsrvnode1 /usr/sbin/kamailio[28880]: INFO: 
-<|XLOG|>-:  <FAILRELAY>      s l e e p      2000ms / 2s

Nov  6 15:58:37 sipsrvnode1 /usr/sbin/kamailio[28880]: INFO: -<|XLOG|>-: 
<FAILRELAY>      s l e p t      2000ms / 2s

Nov  6 15:58:37 sipsrvnode1 /usr/sbin/kamailio[28879]: INFO: 
-<|XLOG|>-:  <RELAYFB> is reached for RU: sip:117003 at 10.16.48.226:7001, 
From: sip:1101015555 at 10.16.48.71, To: sip:115300 at 10.16.48.44, Method: 
INVITE, Call-ID: 1107651805 at 10.16.48.71

################# SCENARIO (2) ORIG TARGET IS REACHABLE 
##########################

Nov  6 16:02:14 sipsrvnode1 /usr/sbin/kamailio[29034]: INFO: -<|XLOG|>-: 
<RELAY> is reached for RU: sip:117002 at 10.16.48.226:5678, From: 
sip:1101015555 at 10.16.48.71, To: sip:115300 at 10.16.48.44, Method: INVITE, 
Call-ID: 553330101 at 10.16.48.71

Nov  6 16:02:34 sipsrvnode1 /usr/sbin/kamailio[29036]: INFO: 
-<|XLOG|>-:  <FAILRELAY> is reached with Code: 408 From: 
sip:5555 at 10.16.48.71 To: sip:4000 at 10.16.48.44

Nov  6 16:02:34 sipsrvnode1 /usr/sbin/kamailio[29036]: INFO: -<|XLOG|>-: 
failure_route <FAILRELAY> is reached because of a BRANCH_TIMEOUT of RU: 
sip:117002 at 10.16.48.44

Nov  6 16:02:34 sipsrvnode1 /usr/sbin/kamailio[29036]: INFO: 
-<|XLOG|>-:  <FAILRELAY>      s l e e p      2000ms / 2s

Nov  6 16:02:34 sipsrvnode1 /usr/sbin/kamailio[29036]: INFO: -<|XLOG|>-: 
<FAILRELAY>      s l e p t      2000ms / 2s

Nov  6 16:02:34 sipsrvnode1 /usr/sbin/kamailio[29036]: INFO: 
-<|XLOG|>-:  <RELAYFB> is reached for RU: sip:117003 at 10.16.48.44, From: 
sip:5555 at 10.16.48.71, To: sip:4000 at 10.16.48.44, Method: INVITE, Call-ID: 
553330101 at 10.16.48.71

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