[Kamailio-Users] How can I access dialog attributes from within timeout route?

Daniel-Constantin Mierla miconda at gmail.com
Thu Oct 1 21:05:16 CEST 2009


Hello,

On 01.10.2009 19:46 Uhr, Nathan Angelacos wrote:
> [...]
>>>>  
>>>>> Hi,
>>>>>
>>>>> In kamailio 1.5.2-notls, I'm trying to get the CallID of a dialog 
>>>>> that has timed out:
>>>>>
>>>>> if (is_method( "INVITE" ) && !has_totag())
>>>>>                 {
>>>>>                 $dlg_ctx(timeout_route) = 21;
>>>>>                 }
>>>>> ...
>>>>> route[21] {
>>>>>     xlog ("L_WARN", "Dead dialog: $dlg(callid)");
>>>>>     exit;
>>>>>     }
>>>>>
>>>>>
>>>>> However, syslog says:
>>>>>
>>>>>  daemon.warn /usr/sbin/kamailio[6578]: Dead Dialog: <null>
>>>>>  daemon.warn /usr/sbin/kamailio[6578]: 
>>>>> WARNING:dialog:dlg_ontimeout: timeout for dlg with CallID \
>>>>>     '8b2eb5e3-20493c20-14e681d at 192.168.1.1' and tags 
>>>>> '87F489DA-922DF157' '2XrwB5OcEJ2zQvyiTUIh-l2Zd1wjL51M'
>>>>>
>>>>> dlg_handlers.c leads me to believe that the context is loaded 
>>>>> before calling the route(21), and the dialog
>>>>> timeout handler is nice enough to report it in syslog just after 
>>>>> my script fails.
>>>>>
>>>>> Am I missing something fundamental, or is this just not possible?
>> since my trip hasn't ended yet, I couldn't create a test environment, 
>> so, looking at source code the dlg should be available,. Can you try 
>> to print in the timeout route:
>>
>> $dlg_ctx(set)
>> $dlg(h_id)
>> $dlg(h_entry)
>>
>> and send the output here?
>
> Thanks for taking the time to look at it
>
> The timeout route is now:
>
> route[21] {
>         xlog ("L_WARN", "Dead Dialog Handler ctx says: $dlg_ctx(set)");
>         xlog ("L_WARN", "set: $dlg_ctx(set)   h_id: $dlg(h_id)  
> h_entry: $dlg(h_entry) ");
>         exit;
> }
>
> Results:
>
> /usr/sbin/kamailio[31440]: Dead Dialog Handler ctx says: 0
> /usr/sbin/kamailio[31440]: set: 0   h_id: <null>  h_entry: <null>
> /usr/sbin/kamailio[31442]: WARNING:dialog:bye_reply_cb: inconsitent 
> dlg timer data on dlg 0x4bb5bb70 [745:1489288150] ...
>
> Sorry.
>
> Let me know if I can do anything to assist.
that helped a bit, remembering that I added reset in pre-script callback which were called in this case. Hopefully it is fixed now.

Please checkout latest svn branch 1.5, re-compile, install and test. let me knwow if works ok.

Thanks,
Daniel

-- 
Daniel-Constantin Mierla
* Kamailio SIP Masterclass, Nov 9-13, 2009, Berlin
* http://www.asipto.com/index.php/sip-router-masterclass/





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