The CoAP stack's global state is stored in a coap_context_t object. More...

#include <net.h>

Collaboration diagram for coap_context_t:

Data Fields
coap_opt_filter_t	known_options

struct coap_resource_t *	resources
	hash table or list of known resources More...

struct coap_resource_t *	unknown_resource
	can be used for handling unknown resources More...

struct coap_async_state_t *	async_state
	list of asynchronous transactions More...

coap_tick_t	sendqueue_basetime
	The time stamp in the first element of the sendqeue is relative to sendqueue_basetime. More...

coap_queue_t *	sendqueue

coap_endpoint_t *	endpoint
	the endpoints used for listening More...

coap_session_t *	sessions
	client sessions More...

coap_response_handler_t	response_handler

coap_nack_handler_t	nack_handler

coap_ping_handler_t	ping_handler

coap_pong_handler_t	pong_handler

coap_event_handler_t	handle_event
	Callback function that is used to signal events to the application. More...

ssize_t(*	network_send )(coap_socket_t sock, const coap_session_t session, const uint8_t *data, size_t datalen)

ssize_t(*	network_read )(coap_socket_t sock, struct coap_packet_t packet)

size_t(*	get_client_psk )(const coap_session_t session, const uint8_t hint, size_t hint_len, uint8_t identity, size_t identity_len, size_t max_identity_len, uint8_t *psk, size_t max_psk_len)

size_t(*	get_server_psk )(const coap_session_t session, const uint8_t identity, size_t identity_len, uint8_t *psk, size_t max_psk_len)

size_t(*	get_server_hint )(const coap_session_t session, uint8_t hint, size_t max_hint_len)

void *	dtls_context

uint8_t *	psk_hint

size_t	psk_hint_len

uint8_t *	psk_key

size_t	psk_key_len

unsigned int	session_timeout
	Number of seconds of inactivity after which an unused session will be closed. More...

unsigned int	max_idle_sessions
	Maximum number of simultaneous unused sessions per endpoint. More...

unsigned int	max_handshake_sessions
	Maximum number of simultaneous negotating sessions per endpoint. More...

unsigned int	ping_timeout
	Minimum inactivity time before sending a ping message. More...

unsigned int	csm_timeout
	Timeout for waiting for a CSM from the remote side. More...

void *	app
	application-specific data More...

Detailed Description

The CoAP stack's global state is stored in a coap_context_t object.

Definition at line 147 of file net.h.

Field Documentation

◆ app

void* coap_context_t::app

application-specific data

Definition at line 211 of file net.h.

◆ async_state

struct coap_async_state_t* coap_context_t::async_state

list of asynchronous transactions

Definition at line 157 of file net.h.

◆ csm_timeout

unsigned int coap_context_t::csm_timeout

Timeout for waiting for a CSM from the remote side.

0 means disabled.

Definition at line 209 of file net.h.

◆ dtls_context

void* coap_context_t::dtls_context

Definition at line 199 of file net.h.

◆ endpoint

coap_endpoint_t* coap_context_t::endpoint

the endpoints used for listening

Definition at line 165 of file net.h.

◆ get_client_psk

size_t(* coap_context_t::get_client_psk) (const coap_session_t *session, const uint8_t *hint, size_t hint_len, uint8_t *identity, size_t *identity_len, size_t max_identity_len, uint8_t *psk, size_t max_psk_len)

Definition at line 195 of file net.h.

◆ get_server_hint

size_t(* coap_context_t::get_server_hint) (const coap_session_t *session, uint8_t *hint, size_t max_hint_len)

Definition at line 197 of file net.h.

◆ get_server_psk

size_t(* coap_context_t::get_server_psk) (const coap_session_t *session, const uint8_t *identity, size_t identity_len, uint8_t *psk, size_t max_psk_len)

Definition at line 196 of file net.h.

◆ handle_event

coap_event_handler_t coap_context_t::handle_event

Callback function that is used to signal events to the application.

This field is set by coap_set_event_handler().

Definition at line 189 of file net.h.

◆ known_options

coap_opt_filter_t coap_context_t::known_options

Definition at line 148 of file net.h.

◆ max_handshake_sessions

unsigned int coap_context_t::max_handshake_sessions

Maximum number of simultaneous negotating sessions per endpoint.

0 means use default.

Definition at line 207 of file net.h.

◆ max_idle_sessions

unsigned int coap_context_t::max_idle_sessions

Maximum number of simultaneous unused sessions per endpoint.

0 means no maximum.

Definition at line 206 of file net.h.

◆ nack_handler

coap_nack_handler_t coap_context_t::nack_handler

Definition at line 181 of file net.h.

◆ network_read

ssize_t(* coap_context_t::network_read) (coap_socket_t *sock, struct coap_packet_t *packet)

Definition at line 193 of file net.h.

◆ network_send

ssize_t(* coap_context_t::network_send) (coap_socket_t *sock, const coap_session_t *session, const uint8_t *data, size_t datalen)

Definition at line 191 of file net.h.

◆ ping_handler

coap_ping_handler_t coap_context_t::ping_handler

Definition at line 182 of file net.h.

◆ ping_timeout

unsigned int coap_context_t::ping_timeout

Minimum inactivity time before sending a ping message.

0 means disabled.

Definition at line 208 of file net.h.

◆ pong_handler

coap_pong_handler_t coap_context_t::pong_handler

Definition at line 183 of file net.h.

◆ psk_hint

uint8_t* coap_context_t::psk_hint

Definition at line 200 of file net.h.

◆ psk_hint_len

size_t coap_context_t::psk_hint_len

Definition at line 201 of file net.h.

◆ psk_key

uint8_t* coap_context_t::psk_key

Definition at line 202 of file net.h.

◆ psk_key_len

size_t coap_context_t::psk_key_len

Definition at line 203 of file net.h.

◆ resources

struct coap_resource_t* coap_context_t::resources

hash table or list of known resources

Definition at line 149 of file net.h.

◆ response_handler

coap_response_handler_t coap_context_t::response_handler

Definition at line 180 of file net.h.

◆ sendqueue

coap_queue_t* coap_context_t::sendqueue

Definition at line 164 of file net.h.

◆ sendqueue_basetime

coap_tick_t coap_context_t::sendqueue_basetime

The time stamp in the first element of the sendqeue is relative to sendqueue_basetime.

Definition at line 163 of file net.h.

◆ session_timeout

unsigned int coap_context_t::session_timeout

Number of seconds of inactivity after which an unused session will be closed.