[sr-dev] [tracker] Comment added: zombie dialogs in state 5

[sip-router]

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The following task has a new comment added:

FS#424 - zombie dialogs in state 5
User who did this - Ovidiu Sas (osas)

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Using the latest master, if a transaction is created before handling the BYE, then the dialog is properly terminated.

If there's no manual creation of a transaction, then the zombie dialog still exists:
<FIRST BYE HANDLING>
Sep 15 11:48:20 centos k[26769]: INFO: <script>: [4] BYE sip:4165552222 at 192.168.2.97:5064 From:sip:1234 at 192.168.2.62,tag=as684b0b1a To:sip:4165552222 at 192.168.2.62,tag=3364246b1869c93eo4 Call-ID:387521af-e5594cca at 192.168.2.97 Contact:<null> <192.168.2.2:5060->udp:192.168.2.62:5060>
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_handlers.c:1158]: dlg_onroute(): route param is '3d7.9cc' (len=7)
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_hash.c:654]: dlg_lookup(): ref dlg 0x7f891503c118 with 1 -> 3
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_hash.c:656]: dlg_lookup(): dialog id=3273 found on entry 2003
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_profile.c:514]: set_current_dialog(): setting current dialog [2003:3273]
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_hash.c:1066]: next_state_dlg(): dialog 0x7f891503c118 changed from state 4 to state 5, due event 7 (ref 3)
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_hash.c:854]: dlg_ref(): ref dlg 0x7f891503c118 with 1 -> 4
Sep 15 11:48:20 centos k[26769]: DEBUG: dialog [dlg_handlers.c:1544]: dlg_run_event_route(): executing event_route 1 on state 5
Sep 15 11:48:20 centos k[26769]: INFO: <script>: [4] entering event_route[dialog:end]
</FIRST BYE HANDLING>
<SECOND BYE HANDLING>
Sep 15 11:48:21 centos k[26768]: INFO: <script>: [5] BYE sip:4165552222 at 192.168.2.97:5064 From:sip:1234 at 192.168.2.62,tag=as684b0b1a To:sip:4165552222 at 192.168.2.62,tag=3364246b1869c93eo4 Call-ID:387521af-e5594cca at 192.168.2.97 Contact:<null> <192.168.2.2:5060->udp:192.168.2.62:5060>
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_handlers.c:1158]: dlg_onroute(): route param is '3d7.9cc' (len=7)
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:654]: dlg_lookup(): ref dlg 0x7f891503c118 with 1 -> 5
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:656]: dlg_lookup(): dialog id=3273 found on entry 2003
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_profile.c:514]: set_current_dialog(): setting current dialog [2003:3273]
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:1066]: next_state_dlg(): dialog 0x7f891503c118 changed from state 5 to state 5, due event 7 (ref 5)
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 1 -> 4
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:1373]: t_newtran(): DEBUG: t_newtran: msg id=5 , global msg id=3 , T on entrance=0xffffffffffffffff
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=18082, isACK=0
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_hooks.c:374]: run_reqin_callbacks_internal(): DBG: trans=0x7f891503c3c8, callback type 1, id 0 entered
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_hooks.c:374]: run_reqin_callbacks_internal(): DBG: trans=0x7f891503c3c8, callback type 1, id 0 entered
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_funcs.c:394]: t_relay_to(): SER: new transaction fwd'ed
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:654]: dlg_lookup(): ref dlg 0x7f891503c118 with 1 -> 5
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:656]: dlg_lookup(): dialog id=3273 found on entry 2003
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 1 -> 4
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=6 global id=5 T start=0xffffffffffffffff
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:949]: t_reply_matching(): DEBUG: t_reply_matching: hash 18082 label 0 branch 0
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:1004]: t_reply_matching(): DEBUG: t_reply_matching: reply matched (T=0x7f891503c3c8)!
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_hooks.c:288]: run_trans_callbacks_internal(): DBG: trans=0x7f891503c3c8, callback type 2, id 0 entered
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:654]: dlg_lookup(): ref dlg 0x7f891503c118 with 1 -> 5
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:656]: dlg_lookup(): dialog id=3273 found on entry 2003
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_profile.c:514]: set_current_dialog(): setting current dialog [2003:3273]
Sep 15 11:48:21 centos k[26768]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 1 -> 4
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=6 global id=6 T end=0x7f891503c3c8
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_reply.c:2210]: reply_received(): DEBUG: reply_received: org. status uas=0, uac[0]=0 local=0 is_invite=0)
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_reply.c:1304]: t_should_relay_response(): ->>>>>>>>> T_code=0, new_code=200
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_reply.c:1822]: relay_reply(): DEBUG: relay_reply: branch=0, save=0, relay=0 icode=0
Sep 15 11:48:21 centos k[26768]: DEBUG: tm [t_reply.c:1663]: cleanup_uac_timers(): DEBUG: cleanup_uac_timers: RETR/FR timers reset
Sep 15 11:48:21 centos k[26769]: INFO: <script>: [4] exiting event_route[dialog:end]
Sep 15 11:48:21 centos k[26769]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 1 -> 3
Sep 15 11:48:21 centos k[26769]: DEBUG: dialog [dlg_hash.c:854]: dlg_ref(): ref dlg 0x7f891503c118 with 1 -> 4
Sep 15 11:48:21 centos k[26769]: DEBUG: dialog [dlg_handlers.c:1280]: dlg_onroute(): BYE successfully processed
Sep 15 11:48:21 centos k[26769]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 2 -> 2
Sep 15 11:48:21 centos k[26769]: DEBUG: dialog [dlg_hash.c:872]: dlg_unref(): unref dlg 0x7f891503c118 with 1 -> 1
Sep 15 11:48:21 centos k[26769]: DEBUG: tm [t_lookup.c:1373]: t_newtran(): DEBUG: t_newtran: msg id=4 , global msg id=3 , T on entrance=(nil)
Sep 15 11:48:21 centos k[26769]: DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=18082, isACK=0
Sep 15 11:48:21 centos k[26769]: DEBUG: tm [t_lookup.c:470]: matching_3261(): DEBUG: RFC3261 transaction matched, tid=1f8b3c1c
Sep 15 11:48:21 centos k[26769]: DEBUG: tm [t_lookup.c:726]: t_lookup_request(): DEBUG: t_lookup_request: transaction found (T=0x7f891503c3c8)
Sep 15 11:48:21 centos k[26769]: DEBUG: tm [t_reply.c:1623]: t_retransmit_reply(): DEBUG: reply retransmitted. buf=0x7f890fefb840: SIP/2.0 2..., shmem=0x7f891503fb10: SIP/2.0 2
</SECOND BYE HANDLING>
Sep 15 11:48:26 centos k[26772]: DEBUG: dialog [dlg_handlers.c:324]: dlg_iuid_sfree(): freeing dlg iuid [2003:3273] (0x7f891503ee10)
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More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=424#comment1622

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