Jon Shallow 801e5492f2 CSM: Move coap_client_delay_first() to later in code processing ...

Commit 069a0786ce (#833) introduced the concept
of delaying PDU building until the CSM message had been received from server
so that PDUs could be correctly sized.

However, this meant that the functions coap_new_client_session*() would not
complete until the CSM was in for reliable protocols.  Some applications need
the returned session to handle / differentiate between different events.

CSM can update
session->mtu
session->csm_block_supported
session->csm_bert_rem_support

coap_client_delay_first() is now called in coap_add_data_large_request()
and coap_session_max_pdu_size() (not coap_session_max_pdu_rcv_size() as
this is for receiving PDUs).

coap_client_delay_first() has been updated to catch recursive requests as well
as using more of the common code for the LwIP specifics.

2022-06-17 08:49:09 +02:00

..

coap3

CSM: Move coap_client_delay_first() to later in code processing

2022-06-17 08:49:09 +02:00