[riot-users] gcoap and DTLS
Thomas C. Schmidt
t.schmidt at haw-hamburg.de
Mon Apr 16 09:43:46 CEST 2018
I cannot help with the IPv4 code fragments, but I wonder why you want to
use IPv4 on RIOT?
To gain 'transparent' IPv4 connectivity, you can use IPv6-embedded IPv4
addresses and perform stateless address translation at a gateway.
Would that help?
On 16/04/2018 09:38, Cristina Paniagua wrote:
> Until the date, I've been working with IPv6,gcoap and Mulle devices, but
> I would like to know if I could send from the device a GET to an
> IPv4 address. I read that it's not supported by RIOT, but I found some
> library IPv4, I tried to use and it's not working.
> someone knows more about the use of IPv4 in RIOT?
> Thank you all, Cristina.
> *De:* users <users-bounces at riot-os.org> en nombre de Ken Bannister
> <kb2ma at runbox.com>
> *Enviado:* martes, 30 de enero de 2018 16:18:41
> *Para:* users at riot-os.org
> *Asunto:* Re: [riot-users] gcoap and DTLS
> Thanks, Joakim. I have created a similar example, although it's not in
> the repository examples collection. For anyone interested, check out
> the, "gcoap presentation" thread on the ML from last October . It
> references the data collection application as well as a presentation and
> video I created about it.
>  https://lists.riot-os.org/pipermail/users/2017-October/thread.html
> On 01/30/2018 02:52 PM, Joakim Nohlgård wrote:
>> I think an example with an observable, periodic resource would be a
>> useful addition to the example collection. The periodic resource could
>> be simply sending the xtimer_now value or adc_read or similar
>> periodically every 5 seconds or something to show how to set up
>> periodic notifications in gcoap.
>> Without looking at the code I guess it would be driven by xtimer to
>> provide events to the gcoap observable resource event loop.
>> Best regards, Joakim
>> On Jan 30, 2018 3:21 PM, "Ken Bannister" <kb2ma at runbox.com
>> <mailto:kb2ma at runbox.com>> wrote:
>> Hi all,
>> Recently I received private mail with some specific questions
>> about gcoap and DTLS. Responses below.
>> There is a work-in-progress pull request for integration of DTLS
>> and gcoap, #7177. There is good discussion in there about the best
>> way to integrate DTLS generically with RIOT's sock networking.
>> RIOT's master branch includes support for the Observe extension
>> for non-confirmable messaging. There is an open PR for integration
>> with confirmable messaging, #7548.
>> There also was a question about "periodic resources", but that's
>> not part of the CoAP spec AFAIK. Certainly one could integrate a
>> timer to periodically send Observe notifications.
>> users mailing list
>> users at riot-os.org <mailto:users at riot-os.org>
>> users mailing list
>> users at riot-os.org
Prof. Dr. Thomas C. Schmidt
° Hamburg University of Applied Sciences Berliner Tor 7 °
° Dept. Informatik, Internet Technologies Group 20099 Hamburg, Germany °
° http://inet.haw-hamburg.de/members/schmidt Fon: +49-40-42875-8452 °
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