[SR-Users] new keepalive module ?

[Daniel-Constantin Mierla]

Hello,

thanks, it will reviewed and eventual comments will be added to the pull
request.

Cheers,
Daniel


On 27/03/2017 22:08, Guillaume Bour wrote:
> Hello,
>
> I submitted the 1st version of my prototype: https://github.com/kamailio/kamailio/pull/1045
>
> I attach here 2 sample configurations to use with
>
> Regards,
> Guillaume Bour
>
> On Thu, Mar 16, 2017 at 01:18:47PM +0100, Daniel-Constantin Mierla wrote:
>> Hello,
>>
>>
>> On 13/03/2017 22:45, Guillaume Bour wrote:
>>> Hi Daniel,
>>>
>>> Thanks for you answer
>>>
>>> On Tue, Mar 07, 2017 at 11:35:17PM +0100, Daniel-Constantin Mierla wrote:
>>>> Hello,
>>>>
>>>>
>>>> On 07/03/2017 21:22, Guillaume Bour wrote:
>>>>> Hi all,
>>>>>
>>>>> I would like to implement destinations keepalive in drouting module (as it is done in dispatcher).
>>>>> But instead of duplicating what's implemented in dispatcher, I think it would be more clever to create a new module
>>>>> dedicated to pinging destinations, and to plug drouting, dispatcher and other modules to this new one
>>>>>
>>>>> What's you opinion about that ?
>>>>>
>>>> could be an interesting module, not able to say at this moment if I
>>>> would plug it into dispatcher, as I cannot assert the impact, but at
>>>> least for adding to drouting or other modules which don't have this
>>>> feature, should worth the try.
>>>>
>>>> How do you plan to have the relation between the modules? Each of them
>>>> will have a copy of the addresses, or the addresses of the destinations
>>>> will be in. a single module, and the other will refer to them via some
>>>> unique id? Will drouting just build the list of destination based on
>>>> priority, then check with the new module to see which are active and
>>>> remove the inactive ones?
>>> My idea is to expose a set of API functions, allowing other modules
>>> to register/unregister addresses to monitor.
>>> So yes, destinations adresses would be duplicated in keepalive module memory.
>>> Then keepalive module would notify the "source" module when destination
>>> status change (available -> unavailable, and vice-versa)
>>>
>>>> Again, when I would see some sort of prototype/initial version, probably
>>>> I can comment more. The questions above just pop up in my mind, but
>>>> probably you can just go ahead to write some code as you consider, then
>>>> we can start a discussion from there and see what can be improved/better
>>>> integrated with existing modules.
>>>>
>>> I have started working on a POC.
>>> It is available at https://github.com/gbour/kamailio/tree/module-keepalive
>> OK, thanks for pointing to it.
>>
>> Once you get something working, you can make a pull request so we can
>> review it using github portal.
>>
>> It may be useful to have it working with its own group of destination
>> and export to kamailio.cfg some functions to check if a destination is
>> active or not, change it state, etc ... It can be used when routing to a
>> single pstn gateway or other media servers to reply directly from
>> kamailio, not to forward and wait for timeout.
>>
>> Cheers,
>> Daniel
>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> -- 
>>>> Daniel-Constantin Mierla
>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
>>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>>
>>>>
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>> -- 
>> Daniel-Constantin Mierla
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>
>>
>> _______________________________________________
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>> sr-users at lists.sip-router.org
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>>
>>
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-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

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