Re: [Gsn-devel] Phone call notifications in GSN

[Antonio A. <ant...@de...>]

Thanks for the info Ali.

What exactly do you mean by the 'feedback channel'?

I would suspect its a mechanism to route/forward back data stream to 
virtual sensors. If so, how is this declared/programmed in GSN?

A.


Ali Salehi wrote:
> Hi,
>  In past we used to have notification actions as subcomponent of the
> core gsn architecture. After some reconsideration, we decided to change
> this fact and use virtual sensors to do the notification. Since virtual
> sensors have feedback channel one can use that for registering the
> requests to the virtual sensor.
> 
>> Dear all,
>>
>> I have noticed that (under the notifications folder in GSN) you have
>> implemented code for several notification services.
>>
>>  From what I've seen, the code works based on a 'query' provided. Can
>> you explain (and provide an example + a query, etc.) of how the
>> notification services work in GSN?
>>
>> I have found a way to be able to make (and receive) phone calls from
>> within GSN. So far I have implemented a very basic virtual sensor which
>>   monitors a 'temperature value' from the multiformat vs and if a given
>> threshold is reached, the virtual sensor initiates a call to the
>> provided phone number (in the vsd).
>>
>> Is this the approach to follow? Any insights?
> This is the suggested way, you can improve your virtual sensor by using
> the feedback channel to let people dynamically register their requests.
> 
> Cheers,
> AliS
> 
>> Regards,
>>
>> T.
>>
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> 
> 
> **************************************************************
> Ali Salehi, LSIR - Distributed Information Systems Laboratory
> EPFL-IC-IIF-LSIR, Bâtiment BC, Station 14, CH-1015 Lausanne, Switzerland.
> http://lsirwww.epfl.ch/
> email: ali...@ep...
> Tel: +41-21-6936656 Fax: +41-21-6938115
> 
> 
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