coap_net_internal.h File Reference

CoAP context internal information. More...

#include "coap_internal.h"
#include "coap_subscribe.h"
#include "coap_threadsafe_internal.h"

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Data Structures
struct	coap_queue_t
	Queue entry. More...
struct	coap_context_t
	The CoAP stack's global state is stored in a coap_context_t object. More...

Functions
int	coap_insert_node (coap_queue_t **queue, coap_queue_t *node)
	Adds node to given queue, ordered by variable t in node.
COAP_API int	coap_delete_node (coap_queue_t *node)
	Destroys specified node.
int	coap_delete_node_lkd (coap_queue_t *node)
	Destroys specified node.
void	coap_delete_all (coap_queue_t *queue)
	Removes all items from given queue and frees the allocated storage.
coap_queue_t *	coap_new_node (void)
	Creates a new node suitable for adding to the CoAP sendqueue.
unsigned int	coap_adjust_basetime (coap_context_t *ctx, coap_tick_t now)
	Set sendqueue_basetime in the given context object ctx to now.
coap_queue_t *	coap_peek_next (coap_context_t *context)
	Returns the next pdu to send without removing from sendqeue.
coap_queue_t *	coap_pop_next (coap_context_t *context)
	Returns the next pdu to send and removes it from the sendqeue.
coap_mid_t	coap_retransmit (coap_context_t *context, coap_queue_t *node)
	Handles retransmissions of confirmable messages.
int	coap_handle_dgram (coap_context_t *ctx, coap_session_t *session, uint8_t *data, size_t data_len)
	Parses and interprets a CoAP datagram with context ctx.
int	coap_remove_from_queue (coap_queue_t **queue, coap_session_t *session, coap_mid_t id, coap_queue_t **node)
	This function removes the element with given id from the list given list.
coap_mid_t	coap_wait_ack (coap_context_t *context, coap_session_t *session, coap_queue_t *node)
void	coap_cancel_all_messages (coap_context_t *context, coap_session_t *session, coap_bin_const_t *token)
	Cancels all outstanding messages for session session that have the specified token.
void	coap_cancel_session_messages (coap_context_t *context, coap_session_t *session, coap_nack_reason_t reason)
	Cancels all outstanding messages for session session.
uint16_t	coap_new_message_id_lkd (coap_session_t *session)
	Returns a new message id and updates session->tx_mid accordingly.
void	coap_dispatch (coap_context_t *context, coap_session_t *session, coap_pdu_t *pdu)
	Dispatches the PDUs from the receive queue in given context.
int	coap_option_check_critical (coap_session_t *session, coap_pdu_t *pdu, coap_opt_filter_t *unknown)
	Verifies that pdu contains no unknown critical options, duplicate options or the options defined as Reserved in RFC 7252 Table 7.
coap_pdu_t *	coap_wellknown_response (coap_context_t *context, coap_session_t *session, coap_pdu_t *request)
	Creates a new response for given request with the contents of .well-known/core.
unsigned int	coap_calc_timeout (coap_session_t *session, unsigned char r)
	Calculates the initial timeout based on the session CoAP transmission parameters 'ack_timeout', 'ack_random_factor', and COAP_TICKS_PER_SECOND.
int	coap_check_code_class (coap_session_t *session, coap_pdu_t *pdu)
	Check whether the pdu contains a valid code class.
coap_mid_t	coap_send_internal (coap_session_t *session, coap_pdu_t *pdu, coap_pdu_t *request_pdu)
	Sends a CoAP message to given peer.
int	coap_client_delay_first (coap_session_t *session)
	Delay the sending of the first client request until some other negotiation has completed.
void	coap_free_context_lkd (coap_context_t *context)
	CoAP stack context must be released with coap_free_context_lkd().
void *	coap_context_set_app_data2_lkd (coap_context_t *context, void *data, coap_app_data_free_callback_t callback)
	Stores data with the given context, returning the previously stored value or NULL.
int	coap_handle_event_lkd (coap_context_t *context, coap_event_t event, coap_session_t *session)
	Invokes the event handler of context for the given event and data.
int	coap_can_exit_lkd (coap_context_t *context)
	Returns 1 if there are no messages to send or to dispatch in the context's queues.
int	coap_join_mcast_group_intf_lkd (coap_context_t *ctx, const char *groupname, const char *ifname)
	Function interface for joining a multicast group for listening for the currently defined endpoints that are UDP.
void	coap_register_option_lkd (coap_context_t *context, coap_option_num_t number)
	Registers the option number number with the given context object context.
int	coap_context_set_pki_lkd (coap_context_t *context, const coap_dtls_pki_t *setup_data)
	Set the context's default PKI information for a server.
int	coap_context_set_pki_root_cas_lkd (coap_context_t *context, const char *ca_file, const char *ca_dir)
	Set the context's default Root CA information for a client or server.
int	coap_context_load_pki_trust_store_lkd (coap_context_t *context)
	Load the context's default trusted CAs for a client or server.
int	coap_context_set_psk_lkd (coap_context_t *context, const char *hint, const uint8_t *key, size_t key_len)
	Set the context's default PSK hint and/or key for a server.
int	coap_context_set_psk2_lkd (coap_context_t *context, coap_dtls_spsk_t *setup_data)
	Set the context's default PSK hint and/or key for a server.
void	coap_io_do_io_lkd (coap_context_t *ctx, coap_tick_t now)
	Processes any outstanding read, write, accept or connect I/O as indicated in the coap_socket_t structures (COAP_SOCKET_CAN_xxx set) embedded in endpoints or sessions associated with ctx.
void	coap_io_do_epoll_lkd (coap_context_t *ctx, struct epoll_event *events, size_t nevents)
	Process all the epoll events.
int	coap_io_pending_lkd (coap_context_t *context)
	Check to see if there is any i/o pending for the context.
unsigned int	coap_io_prepare_epoll_lkd (coap_context_t *ctx, coap_tick_t now)
	Any now timed out delayed packet is transmitted, along with any packets associated with requested observable response.
unsigned int	coap_io_prepare_io_lkd (coap_context_t *ctx, coap_socket_t *sockets[], unsigned int max_sockets, unsigned int *num_sockets, coap_tick_t now)
	Iterates through all the coap_socket_t structures embedded in endpoints or sessions associated with the ctx to determine which are wanting any read, write, accept or connect I/O (COAP_SOCKET_WANT_xxx is set).
int	coap_io_process_lkd (coap_context_t *ctx, uint32_t timeout_ms)
	The main I/O processing function.
int	coap_io_process_loop_lkd (coap_context_t *context, coap_io_process_thread_t main_loop_code, void *main_loop_code_arg, uint32_t timeout_ms, uint32_t thread_count)
	Do the coap_io_process() across thread_count threads.
int	coap_io_process_with_fds_lkd (coap_context_t *ctx, uint32_t timeout_ms, int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds)
	The main message processing loop with additional fds for internal select.
unsigned int	coap_io_get_fds_lkd (coap_context_t *context, coap_fd_t read_fds[], unsigned int *have_read_fds, unsigned int max_read_fds, coap_fd_t write_fds[], unsigned int *have_write_fds, unsigned int max_write_fds, unsigned int *rem_timeout_ms)
coap_mid_t	coap_send_lkd (coap_session_t *session, coap_pdu_t *pdu)
	Sends a CoAP message to given peer.
int	coap_send_recv_lkd (coap_session_t *session, coap_pdu_t *request_pdu, coap_pdu_t **response_pdu, uint32_t timeout_ms)
coap_mid_t	coap_send_error_lkd (coap_session_t *session, const coap_pdu_t *request, coap_pdu_code_t code, coap_opt_filter_t *opts)
	Sends an error response with code code for request request to dst.
coap_mid_t	coap_send_message_type_lkd (coap_session_t *session, const coap_pdu_t *request, coap_pdu_type_t type)
	Helper function to create and send a message with type (usually ACK or RST).
coap_mid_t	coap_send_ack_lkd (coap_session_t *session, const coap_pdu_t *request)
	Sends an ACK message with code 0 for the specified request to dst.
coap_mid_t	coap_send_rst_lkd (coap_session_t *session, const coap_pdu_t *request)
	Sends an RST message with code 0 for the specified request to dst.
void	coap_call_response_handler (coap_session_t *session, coap_pdu_t *sent, coap_pdu_t *rcvd, void *body_free)

Variables
int	coap_started
uint8_t	coap_unique_id [8]

Detailed Description

CoAP context internal information.

Definition in file coap_net_internal.h.

Variable Documentation

coap_started

int coap_started

extern

Definition at line 5067 of file coap_net.c.

coap_unique_id

uint8_t coap_unique_id[8]

extern

Definition at line 5068 of file coap_net.c.