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Re: [leshan-dev] How to use DTLS in LwM2M Server when using the cluster mode
Hi Simon,

Thanks for your reply - I was actually looking at RedisSecurityStore. I strongly believe that if there is a good Northbound API (which we are using almost exclusively), it makes total sense to extend it to add some API to also register / de-register these devices' keys. However, I think we would need two different APIs: one for LwM2M Server and another for the LwM2M Bootstrap - do you agree?

As we need this ASAP, I'll try to look into RedisSecurityStore to find out how exactly it is that the current implementation is storing this, so I can replicate it on my own service, by connecting it directly to Redis.

Again, thank you!

Pedro

Simon Bernard <contact@xxxxxxxxxxxxxxx> escreveu no dia terça, 4/07/2017 às 11:15:
Hi,
  Leshan cluster is rather experimental, so it's good to hear that it works :)
  Unfortunately there is no simple API to add PSK identity.

  A workaround could be to add your keys directly in redis store (see RedisSecurityStore[1]). or create an instance of RedisSecurityStore[1] and use the add method.

  You can also create your own server inspired by LeshanClusterServer.java[2] and add your own securityStore or create your own API on RedisSecurityStore[1].

  About Leshan cluster development, we don't know which direction we should take.
  Could you tell us more about how you plan to integrate it or how you would like to integrate it? Do you use the Northbound API ? Which could be the good way to customize LeshanCluster (java API? jar+class injection? redis API?)

  Any feedback or code contribution is welcome :)

HTH

Simon

[1] https://github.com/eclipse/leshan/blob/master/leshan-server-cluster/src/main/java/org/eclipse/leshan/server/cluster/RedisSecurityStore.java#L37
[2]https://github.com/eclipse/leshan/tree/master/leshan-server-cluster/src/main/java/org/eclipse/leshan/server/cluster


Le 03/07/2017 à 18:20, Pedro Diogo a écrit :
Hello everybody,

I've been testing the cluster-demo.jar and everything seems to be working fine (even better with https://github.com/eclipse/leshan/commit/a473d4803d7352ea3b7ceef49e92116434d20b4a) except DTLS connections. How can I add client's PSKs in this mode? With the server-demo, there is an included RESTful API to add this (noticed this when inspecting network traffic in chrome, using the built-in UI), but the cluster module doesn't seem to have an API for this... Can you please document anywhere on how to do this directly with Redis, or simply point me in the right direction? 

Thank you all and keep up the good work! ;) 

Regards,
Pedro


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