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[cf-dev] Handle REQUEST_ENTITY_TOO_LARGE
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- From: Magnus Andersson <mag_andersson@xxxxxxxxxxx>
- Date: Wed, 24 Jun 2020 10:13:31 +0000
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- Thread-topic: Handle REQUEST_ENTITY_TOO_LARGE
Hello,
I have a question about block wise transfer in californium. We are running leshan 1.0.0-M8 which is using the californium-core-2.0.0.M1.
We have PREFERRED_BLOCK_SIZE=512.
We have a case where a device responds to POST request with REQUEST_ENTITY_TOO_LARGE. The device only handles 256 bytes, which it responds with (device using wakamaa stack).
The REQUEST_ENTITY_TOO_LARGE response is received by leshan and it boils up to the calling function.
Is there any functionality in californium that automatically handles response REQUEST_ENTITY_TOO_LARGE and starts a new blockwise transfer using the preferred block-size received from device side? (I could not find anything in the code)
If not, how could we handle such a response? Can we from leshan side set the block size for a specific session using the response received from device.
Thanks in advance!
Best regards
Magnus AnderssoN
