[OpenSIPS-Devel] Get Dialog from callid or h_entry/h_id

[Daniel Zanutti]

Hi Bogdan

I developed a billing mecanism to control how long calls can last, so I
need to keep tracking all calls until they hangup. Every X seconds, I check
all calls on Opensips and hangup some of them if necessary.

For some reason (maybe a bug), some random calls (1 in a 1M or more) still
exist in my mecanism after call is hangup, so I try to hangup this call
using terminate_dlg() and wait until I receive a trigger from dialog
module, confirming that it is finalized. In fact, I never receive the
trigger from dialog module, because the call no longer exist and I have no
way to check this.

I think just changing the terminate_dlg function to return any number that
identifies this dialog is no longer valid, it's OK to me and I can remove
this call from my structure. A possibility to check if call is UP would be
even better.

What do you think can be done?

Thanks for responding.


On Thu, Jul 14, 2016 at 1:18 PM, Bogdan-Andrei Iancu <bogdan at opensips.org>
wrote:

> Hi Daniel,
>
> Indeed, there is none. Why is so important to know if the dialog really
> existed ? you want to know if it was terminated by YOU and not by something
> else prior to your terminate_dlg() ?
>
> We may consider returning a different positive code if no dialog was found.
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>
> On 13.07.2016 21:21, Daniel Zanutti wrote:
>
> Hi
>
> Anyone could please help on this?
>
> Thanks
>
>
> On Mon, Jul 11, 2016 at 3:23 PM, Daniel Zanutti <daniel.zanutti at gmail.com>
> wrote:
>
>> Hi
>>
>> I need to confirm if a call is UP and terminate it from my code. I have
>> previously stored callid, h_entry and h_id on an internal list, so I'm
>> executing at a specific time:
>>
>> dlg_api.terminate_dlg(h_entry, h_id);
>>
>> If the call is still running, it works nicely and hangup the call. If
>> there is a problem, I get a negative value and solve too. The problem is if
>> the call is not up anymore, I get a return == 0. This is the code of
>> terminate_dlg function:
>>
>> struct dlg_cell * dlg = NULL;
>>
>> dlg = lookup_dlg(h_entry, h_id);
>>
>>         if(!dlg)
>>                 return 0;
>>
>> This function "lookup_dlg" isn't exported.
>>
>> Is there anyway to confirm if the call is still running, if I have these
>> values Callid, h_entry and h_id?
>>
>> Thanks!
>>
>>
>
>
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