[OpenSIPS-Users] loose_route: loop on ACK requests

[Noel R. Morais]

Robert, you are right.

I'm using loose routing all the way but for some reason the
loose_route function for the ACK is acting as a strict router.

follow bellow the debug code regarding this ACK. 192.168.191.188 is
the opensips ip address:


Mar 16 17:18:00 openser opensips[9057]: ***BEFORE loose_route: ACK
ruri:[sip:6715551131062860 at 192.168.193.20:5060]
from:[sip:551135880091 at 192.168.193.20]
to:[sip:6715551131062860 at 192.168.191.188;user=phone]
Mar 16 17:18:00 openser opensips[9057]: DBG:core:parse_headers: flags=200
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 36), called
from parser/parse_rr.c: do_parse_rr_body(63)
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 36),
returns address 0x81f4a14 frag. 0x81f49fc (size=44) on 1 -th hit
Mar 16 17:18:00 openser opensips[9057]: DBG:rr:is_preloaded: is_preloaded: No
Mar 16 17:18:00 openser opensips[9057]: DBG:core:grep_sock_info:
checking if host==us: 14==15 &&  [192.168.193.20] == [192.168.191.188]
Mar 16 17:18:00 openser opensips[9057]: DBG:core:grep_sock_info:
checking if port 5060 matches port 5060
Mar 16 17:18:00 openser opensips[9057]: DBG:rr:after_strict: Next hop:
'sip:192.168.191.188;lr=on;ftag=1c1682753440;did=043.0c936ea3' is
loose router
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 60), called
from parser/msg_parser.c: set_dst_uri(738)
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 60),
returns address 0x81f3b48 frag. 0x81f3b30 (size=68) on 1 -th hit
Mar 16 17:18:00 openser opensips[9057]: DBG:core:parse_headers:
flags=ffffffffffffffff
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 60), called
from parser/msg_parser.c: set_ruri(705)
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 60),
returns address 0x81f4ba0 frag. 0x81f4b88 (size=72) on 1 -th hit
Mar 16 17:18:00 openser opensips[9057]: DBG:rr:after_strict: The last
route URI: 'sip:192.168.191.188;lr=on;ftag=1c1682753440;did=043.0c936ea3'
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 32), called
from data_lump.c: del_lump(298)
Mar 16 17:18:00 openser opensips[9057]: params (0x81a7a00, 32),
returns address 0x81f3ae8 frag. 0x81f3ad0 (size=48) on 1 -th hit
Mar 16 17:18:00 openser opensips[9057]: DBG:rr:run_rr_callbacks:
callback id 1 entered with <>
Mar 16 17:18:00 openser opensips[9057]: DBG:core:parse_headers: flags=48
Mar 16 17:18:00 openser opensips[9057]: DBG:rr:run_rr_callbacks:
callback id 0 entered with <>
Mar 16 17:18:00 openser opensips[9057]: DBG:uac:restore_from: getting
'vsf' Route param
Mar 16 17:18:00 openser opensips[9057]: DBG:uac:restore_from: route
param 'vsf' not found
Mar 16 17:18:00 openser opensips[9057]: ***AFTER loose_route=TRUE: ACK
ruri:[sip:192.168.191.188;lr=on;ftag=1c1682753440;did=043.0c936ea3]
from:[sip:551135880091 at 192.168.193.20]
to:[sip:6715551131062860 at 192.168.191.188;user=phone]


On Fri, Mar 13, 2009 at 2:27 AM, Robert Dyck <rob.dyck at telus.net> wrote:
> Very peculiar. The RURI was rewritten with the URI in the Route header. Does
> your script rewrite it? This usually only happens when the route set shows a
> next hop and the next hop is a strict router. If loose routing is in effect
> all the way, the RURI does not change.
>