CoRE RD Simple Registration Endpoint

CoRE Resource Directory endpoint using the simple registration procedure. More...

Detailed Description

CoRE Resource Directory endpoint using the simple registration procedure.

This module is designed to provide nodes with the possibility to register with resource directories without having to allocate a lot of resources. All the user has to do, is to call the cord_epsim_register() function in periodic intervals, depending on the value of the CONFIG_CORD_LT variable.

Files
file	epsim.h
	Interface for the CoRE RD simple registration endpoint.

Enumerations
enum	{ CORD_EPSIM_OK = 0, CORD_EPSIM_ERROR = -1, CORD_EPSIM_BUSY = -2 }
	Error codes used by the cord_epsim implementation. More...

Functions
int	cord_epsim_register (const sock_udp_ep_t *remote)
	Initiate the node registration by sending an empty CoAP POST message to the RD server's /.well-known/core resource. More...
int	cord_epsim_state (void)
	Get the status of the latest registration procedure. More...

Enumeration Type Documentation

anonymous enum

anonymous enum

Error codes used by the cord_epsim implementation.

Enumerator
CORD_EPSIM_OK	all good
CORD_EPSIM_ERROR	on failing to send POST request
CORD_EPSIM_BUSY	endpoint registration is in progress

Definition at line 40 of file epsim.h.

Function Documentation

cord_epsim_register()

int cord_epsim_register

(

const sock_udp_ep_t *

remote

)

Initiate the node registration by sending an empty CoAP POST message to the RD server's /.well-known/core resource.

Precondition

remote != NULL

Parameters

[in]

remote

address and port of the target resource directory

Returns

CORD_EPSIM_OK on success

CORD_EPSIM_BUSY if registration is already in progress

CORD_EPSIM_ERROR if something goes wrong preparing or sending the registration request

cord_epsim_state()

int cord_epsim_state

(

void

)

Get the status of the latest registration procedure.

Returns

CORD_EPSIM_OK if last registration was triggered successfully

CORD_EPSIM_BUSY if a registration is currently in progress

CORD_EPSIM_ERROR if latest registration attempt failed