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Re: [leshan-dev] Correct usage of blockwise transfer from server to client

Hi Achim,

I'm currently using the latest release version 1.0.0-M3. From what I've read so far, inquiries on mailing list and bugs (see below links marked with *), I thought this to be a quite straightforward task. One object which uses such a functionality should be the firmware object, but I have not found any implementation of it yet. I can only guess that blockwise transfer is more common from client to server when reading whole objects or during discover operations. Does this differ from my use case? Do you have any suggestions for correctly setting up Californium?

Best regards,
Sebastian

*https://dev.eclipse.org/mhonarc/lists/leshan-dev/msg00337.html
*https://bugs.eclipse.org/bugs/show_bug.cgi?id=471101
*https://github.com/eclipse/leshan/issues/302

Am 10.07.2017 um 10:02 schrieb Kraus Achim (INST/ECS4):

Hi,

 

depending on the leshan version your using, this may require some setup for californium.

So which version you are talking about?

 

Mit freundlichen Grüßen / Best regards

Achim Kraus

(INST/ECS4)
Bosch Software Innovations GmbH | Stuttgarter Straße 130 | 71332 Waiblingen | GERMANY
| www.bosch-si.com


Sitz: Berlin, Registergericht: Amtsgericht Charlottenburg; HRB 148411 B
Geschäftsführung: Dr.-Ing. Rainer Kallenbach, Michael Hahn



From: leshan-dev-bounces@xxxxxxxxxxx [mailto:leshan-dev-bounces@xxxxxxxxxxx] On Behalf Of "Markus Müller"
Sent: Freitag, 7. Juli 2017 20:32
To: leshan-dev@xxxxxxxxxxx
Subject: [leshan-dev] Correct usage of blockwise transfer from server to client

 

Hi everybody,

I am searching for help regarding the usage of blockwise transfer from a Leshan server to a Leshan client.

I am trying to transfer an opaque message from a Leshan server to a Leshan client whose size exceeds the maximum size for one single package. Therefore the client returns a 4.13 message indicating that the message size is too big. I was of the opinion that the BlockwiseLayer would take care of the blockwise transfer if the message is too large for a single message. When sending messages via the WriteRequest I see no interface for manipulating the block options. Therefore I assume it's not intended to set these on the lwm2m layer. Did I miss some configuration value? Any help is appreciated!

Best regards,

Sebastian



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