[riot-notifications] [RIOT-OS/RIOT] sys/net/gcoap: Use socket _buf API to recognize truncated requests (#16378)

Ken Bannister notifications at github.com
Sat May 15 16:26:47 CEST 2021

I saw a message in my email from this PR. It's been a while but my recollection is below.

> Sidenote: There is a branch by @kb2ma somewhere, that should make that possible.

See the kb2ma/RIOT/lwip* branches.

> Why can't we use a user supplied buffer here instead of the local _listen_buf?

IIRC this is the basic design of gcoap, as a messaging hub running in its own thread and for simplicity. See the [wiki page](https://github.com/RIOT-OS/RIOT/wiki/CoAP-Home) for contrast with nanocoap.

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