[SR-Users] $DLG_lifetime

Carlos Ruiz Díaz carlos.ruizdiaz at gmail.com
Fri Jun 21 14:43:50 CEST 2013


Maybe cnxcc module can help you [1].

If you need to set a time limit you could use cnxcc_set_max_time() and when
the call times out, an event route is called.

[1] http://kamailio.org/docs/modules/devel/modules/cnxcc.html

Regards,
Carlos


On Fri, Jun 21, 2013 at 8:30 AM, Federico Cabiddu <
federico.cabiddu at gmail.com> wrote:

> Hi Daniel,
> thank you for your answer.
> I tried to catch the BYE with event_route[dialog:end] but I'm facing
> another problem.
> When the timeout for the dialog is reached Kamailio correctly sends a BYE
> to the caller and to the callee but in the logs I see this:
>
> DEBUG: dialog [dlg_timer.c:240]: start with tl=0x7f10937f0138
> tl->prev=0x7f10937b4f20 tl->next=0x7f10937b4f20 (42641998) at 42641998 and
> end with end=0x7f10937b4f20
> end->prev=0x7f10937f0138 end->next=0x7f10937f0138
> DEBUG: dialog [dlg_timer.c:243]: getting tl=0x7f10937f0138
> tl->prev=0x7f10937b4f20 tl->next=0x7f10937b4f20 with 42641998
> DEBUG: dialog [dlg_timer.c:249]: end with tl=0x7f10937b4f20
> tl->prev=0x7f10937f0138 tl->next=0x7f10937f0138 and
> d_timer->first.next->prev=(nil)
> DEBUG: dialog [dlg_timer.c:282]: tl=0x7f10937f0138 next=(nil)
> DEBUG: dialog [dlg_req_within.c:302]: sending BYE to caller
> DEBUG: tm [uac.c:243]: DEBUG:tm:t_uac: next_hop=<sip:xxx at yyy.yyy.yyy.yyy
> :zzzz;transport=udp>
> DEBUG: tm [uac.c:182]: DEBUG: dlg2hash: 343
> DEBUG: dialog [dlg_req_within.c:323]: BYE sent to caller
> DEBUG: dialog [dlg_req_within.c:302]: sending BYE to callee
> DEBUG: tm [uac.c:243]: DEBUG:tm:t_uac: next_hop=<sip:xxx at yyy.yyy.yyy.yyy
> :zzzz;transport=udp>
> DEBUG: tm [uac.c:182]: DEBUG: dlg2hash: 343
> DEBUG: dialog [dlg_req_within.c:323]: BYE sent to callee
> DEBUG: dialog [dlg_hash.c:735]: ref dlg 0x7f10937f00e0 with 1 -> 3
> DEBUG: dialog [dlg_handlers.c:1474]: executing event_route 1 on state 5
> DEBUG: dialog [dlg_hash.c:588]: ref dlg 0x7f10937f00e0 with 1 -> 4
> DEBUG: dialog [dlg_hash.c:590]: dialog id=11591 found on entry 3289
> DEBUG: dialog [dlg_hash.c:753]: unref dlg 0x7f10937f00e0 with 1 -> 3
> DEBUG: dialog [dlg_hash.c:588]: ref dlg 0x7f10937f00e0 with 1 -> 4
> DEBUG: dialog [dlg_hash.c:590]: dialog id=11591 found on entry 3289
> DEBUG: dialog [dlg_hash.c:753]: unref dlg 0x7f10937f00e0 with 1 -> 3
> DEBUG: <core> [parser/parse_to.c:799]: end of header reached, state=10
> DEBUG: <core> [parser/msg_parser.c:190]: DEBUG: get_hdr_field: <To> [20];
> uri=[you at kamailio.org]
> DEBUG: <core> [parser/msg_parser.c:192]: DEBUG: to body [<you at kamailio.org
> >#015#012]
> DEBUG: <core> [parser/parse_to.c:176]: DEBUG: add_param: tag=123
> DEBUG: <core> [parser/parse_to.c:799]: end of header reached, state=29
> DEBUG: <core> [parser/parse_uri.c:1292]: parse_uri: bad uri,  state 0
> parsed: <you@> (4) / <you at kamailio.org> (16)
> ERROR: <core> [parser/parse_from.c:113]: failed to parse From uri
> ERROR: pv [pv_core.c:400]: cannot parse From URI
> DEBUG: <core> [parser/parse_uri.c:1292]: parse_uri: bad uri,  state 0
> parsed: <you@> (4) / <you at kamailio.org> (16)
> ERROR: <core> [parser/parse_to.c:879]: failed to parse To uri
> ERROR: pv [pv_core.c:394]: cannot parse To URI
> INFO: <script>: event_route[dialog:end]: call-id=123 from=<null> to=<null>
> : (method= OPTIONS) :: dlg flag: 18446744073709551615 :: DLG_lifetime:
> <null>
>
> The parser error problem seems to be related to the To and From headers of
> FAKED_SIP_MSG, defined in lib/kcore/faked_msg.c.
> If I change those URIs adding "sip: " the pv error disappears but once
> entered the event_route[dialog:end]
>
> INFO: <script>: event_route[dialog:end]: call-id=123 from=you to=you :
> (method= OPTIONS) :: dlg flag: 18446744073709551615 :: DLG_lifetime:
> <null>
> WARNING: dialog [dlg_req_within.c:177]: inconsitent dlg timer data on dlg
> 0x7fa07e0c6fe0 [2950:12062] with clid '1518225741' and tags '717826890'
> '1348505040'
>
> As you can see,  the $DLG_lifetime is <null> and we also have the message
> on the inconsistent dlg timer.
>
> Probably there is something that I'm not understanding but why the
> event_route in this case is processing a "fake" OPTIONS message?
> Another thing I noticed is that event_route[dialog:end] is not executed
> when a dialog is terminated by dlg_end_dlg or dlg_terminate_dlg fifo
> commands.
> We really need to access the DLG_lifetime value in both cases (internal
> timeout or external command), any hint on how to do it?
>
> Thank you in advance.
>
> Regards,
>
> Federico
>
>
>
>
> On Fri, Jun 21, 2013 at 12:43 AM, Daniel-Constantin Mierla <
> miconda at gmail.com> wrote:
>
>>  Hello,
>>
>> there is an event route for dialog timeout, I guess there is available.
>> tm:local is executed by tm, so you may need to call the function that
>> lookups the dialog.
>>
>> Cheers,
>> Daniel
>>
>>
>> On 6/20/13 1:47 PM, Dragos Oancea wrote:
>>
>>  Hello ,
>>
>>
>>  Is the $DLG_lifetime supposed to be accessed in theevent_route[tm:local-request] ?
>>
>>  We are trying to access it and it always reports null with kamailio
>> 4.0.0 .
>>
>>  We found a reference about this here:
>> http://www.kamailio.org/pub/kamailio/3.3.3/ChangeLog
>>
>>  .....
>>
>>   dialog(k): run event route after setting cfg dlg vars
>>
>>     - in this way they (e.g., $DLG_lifetime) should be accessible in event
>>       route
>>     (cherry picked from commit 2cdded28d9968a0b78f5ec8329ae6983d9ea77a9)
>>
>> .....
>>
>>  Apparently it should have been possible.
>>  Any hints on this ?
>>
>>  Thank you!
>>
>>  Regards,
>> Dragos & Federico
>>
>>
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> --
>> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>
>>
>> _______________________________________________
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>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>
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>


-- 
Carlos
http://caruizdiaz.com
+595981146623
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