[sr-dev] [tracker] Comment added: ACK not in transaction when t_relay or t_check_trans (Attachment added)

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FS#229 - ACK not in transaction when t_relay or t_check_trans
User who did this - Pawel Sternal (Sternik)

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Yes, when I set ack_report to 1, ACK is correctly matched. My fault is not to check in documentation. 

About "Record-Route", again my fault, because I run "record_route()" if(!$tt). When we migrate kamailio 1.5 to 3.x we notice that !$tt must be change to $tt==$null. And this time I forgot about it, with another migration, and dump on not matched ACK. Again - my fault.


I tried to check another scenario A-> SER -> ASTERISK | ASTERISK -> SER -> PSTN simulation. We don't use here acc. In kamailio 1.5.2 (test_1.5.cap) I have in:

1 ACK:
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_newtran: transaction on entrance=0xffffffff
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:parse_headers: flags=80
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:core:parse_headers: flags=ffffffffffffffff
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:core:parse_headers: flags=78
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: start searching: hash=5186, isACK=1
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: current rr is <sip:10.0.6.20:5060;ftag=4c30f07ddedec1e3o3;lr>
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: current rr is <sip:10.0.6.40;lr>
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:core:parse_headers: flags=38
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: skipping 2 route records
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: RFC3261 ACK matched
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: out rr []
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: REF_UNSAFE: after is 1
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: we have 2 records
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: e2e proxy ACK found
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:dialog:populate_leg_info: route_set , contact sip:NodesProdIn1 at 10.0.6.20:5062, cseq 102 and bind_addr udp:10.0.6.20:5060
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_newtran: building branch for end2end ACK
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_relay_to: forwarding ACK

2 ACK:
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: start searching: hash=5186, isACK=1
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: current rr is <sip:10.0.6.20:5060;ftag=4c30f07ddedec1e3o3;lr>
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: current rr is <sip:10.0.6.40;lr>
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:core:parse_headers: flags=38
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: skipping 2 route records
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: RFC3261 ACK matched
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: out rr []
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: REF_UNSAFE: after is 1
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:core:print_rr_body: we have 2 records
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_lookup_request: e2e proxy ACK found
May 17 14:48:20 gx00 /usr/sbin/kamailio[32282]: DBG:dialog:populate_leg_info: route_set , contact sip:NodesProdIn1 at 10.0.6.20:5062, cseq 102 and bind_addr udp:10.0.6.20:5060
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_newtran: building branch for end2end ACK
May 17 14:48:20 gx00 /usr/sbin/kamailio[32283]: DBG:tm:t_relay_to: forwarding ACK

This same scenario in kamailio 3.2.2 (test_3.2.cap):

1 ACK:
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:1379]: DEBUG: t_newtran: msg id=16134 , global msg id=16133 , T on entrance=0xffffffff
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:527]: t_lookup_request: start searching: hash=37195, isACK=1
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:485]: DEBUG: RFC3261 transaction matching failed
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:709]: DEBUG: t_lookup_request: no transaction found
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_funcs.c:315]: SER: forwarding ACK  statelessly

2 ACK:
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:1379]: DEBUG: t_newtran: msg id=16134 , global msg id=16133 , T on entrance=0xffffffff
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:527]: t_lookup_request: start searching: hash=37195, isACK=1
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:485]: DEBUG: RFC3261 transaction matching failed
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_lookup.c:709]: DEBUG: t_lookup_request: no transaction found
May 17 13:54:26 gx00 /usr/sbin/kamailio[13546]: DEBUG: tm [t_funcs.c:315]: SER: forwarding ACK  statelessly

:-)
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