[OpenSIPS-Users] trying to understand the E_DLG_STATE_CHANGED

[Khalil Khamlichi]

Hi Răzvan,

Thanks for your answer.

I ended up using onreply_route and checking if ($rs == "200") to increment
connect_calls and then event_route[E_ACC_CDR]  to decrement
connected_calls.

multiple local tests are giving expected behavior, will need to test on
production to confirm though.

Thanks a lot for your help.

On Mon, Sep 18, 2017 at 9:47 AM, Răzvan Crainea <razvan at opensips.org> wrote:

> Hi, Khalil!
>
> To be honest, I think this event was initially made to be used with the MI
> dlg_end_dlg command, which only terminates a dialog. However, you could run
> 'opensipsctl fifo dlg_list' and match the hash_id and hash_entry against
> the returned values, and then identify the callid.
>
> If you would also like to receive the callid in the event, please open a
> feature request[1].
>
> [1] https://github.com/OpenSIPS/opensips/issues
>
> Best regards,
>
> Răzvan Crainea
> OpenSIPS Developerwww.opensips-solutions.com
>
> On 09/15/2017 10:46 PM, Khalil Khamlichi wrote:
>
> Hi everyone,
>
> I am trying to understand dialog module eventing system.
>
> I have added this route :
>
>
> event_route[E_DLG_STATE_CHANGED] {
>
>     fetch_event_params("$avp(a);$avp(b);$avp(c);$avp(d);$avp(e);$avp(f)");
>
>     cache_raw_query("redis:0", "PUBLISH serv1 fetch_event_params=$avp(a),$
> avp(b),$avp(c),$avp(d),$avp(e),$avp(f)", "$avp(res)");
>
> }
>
>
> so for each event I can watch an entry
>
> 1505503997.413642 [0 127.0.0.1:39734] "PUBLISH" "serv1"
> "fetch_event_params=3917,339471624,1,3,<null>,<null>"
> 1505503997.524535 [0 127.0.0.1:39762] "PUBLISH" "serv1"
> "fetch_event_params=3917,339471624,3,4,<null>,<null>"
> 1505504018.809746 [0 127.0.0.1:39840] "PUBLISH" "serv1"
> "fetch_event_params=3917,339471624,4,5,<null>,<null>"
>
>
> I understand that
>
> a = hash_id of dialog
> b= hash_entry of dialog
> c = old_state
> d = new_state
> e & f = do not exist and here just to prove that they do not exist.
>
> but I don't understand how to use the information of a & b to track
> dialogs ? if there a function that when fed those parameters gives us
> callid for example ?
>
> Thanks in advance.
>
> Kkh
>
>
>
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