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coap_net_internal.h File Reference

CoAP context internal information. More...

`#include "coap_internal.h"`
`#include "coap_subscribe.h"`
`#include "coap_threadsafe_internal.h"`
Include dependency graph for coap_net_internal.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

## 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.
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)
| 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().
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 *ctx, uint16_t type)
| Registers the option type `type` with the given context object `ctx`.
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_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_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.
coap_mid_t | coap_send_lkd (coap_session_t *session, coap_pdu_t *pdu)
| Sends a CoAP message to given peer.
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`.

## Variables

int | coap_started

## Detailed Description

CoAP context internal information.

Definition in file coap_net_internal.h.

## Variable Documentation

## coap_started

int coap_started

extern

Definition at line 4439 of file coap_net.c.