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net: coap: add coap_pendings_clear and coap_replies_clear

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Clears whole stack of pendins and replies.

Signed-off-by: Kiril Petrov <retfie@gmail.com>
This commit is contained in:
Kiril Petrov 2020-04-23 22:39:57 +03:00 • committed by Jukka Rissanen
commit 7305e7b4a2
2 changed files with 37 additions and 0 deletions
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17
include/net/coap.h
View file

@ -768,6 +768,15 @@ bool coap_pending_cycle(struct coap_pending *pending);
*/
void coap_pending_clear(struct coap_pending *pending);
/**
* @brief Cancels all pending retransmissions, so they become
* available again.
*
* @param pendings Pointer to the array of #coap_pending structures
* @param len Size of the array of #coap_pending structures
*/
void coap_pendings_clear(struct coap_pending *pendings, size_t len);
/**
* @brief Cancels awaiting for this reply, so it becomes available
* again. User responsibility to free the memory associated with data.
@ -776,6 +785,14 @@ void coap_pending_clear(struct coap_pending *pending);
*/
void coap_reply_clear(struct coap_reply *reply);
/**
* @brief Cancels all replies, so they become available again.
*
* @param replies Pointer to the array of #coap_reply structures
* @param len Size of the array of #coap_reply structures
*/
void coap_replies_clear(struct coap_reply *replies, size_t len);
/**
* @brief Indicates that this resource was updated and that the @a
* notify callback should be called for every registered observer.

20
subsys/net/lib/coap/coap.c
View file

@ -1226,6 +1226,16 @@ void coap_pending_clear(struct coap_pending *pending)
pending->data = NULL;
}
void coap_pendings_clear(struct coap_pending *pendings, size_t len)
{
struct coap_pending *p;
size_t i;
for (i = 0, p = pendings; i < len; i++, p++) {
coap_pending_clear(p);
}
}
static int get_observe_option(const struct coap_packet *cpkt)
{
struct coap_option option = {};
@ -1318,6 +1328,16 @@ void coap_reply_clear(struct coap_reply *reply)
(void)memset(reply, 0, sizeof(*reply));
}
void coap_replies_clear(struct coap_reply *replies, size_t len)
{
struct coap_reply *r;
size_t i;
for (i = 0, r = replies; i < len; i++, r++) {
coap_reply_clear(r);
}
}
int coap_resource_notify(struct coap_resource *resource)
{
struct coap_observer *o;