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sys/net/nanocoap: introduce Accept option helper

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This commit is contained in:
Jan Romann 2022-10-19 15:04:46 +02:00
parent 1c00ce273e
commit d916b33bc6
2 changed files with 22 additions and 2 deletions
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10
sys/include/net/nanocoap.h
View File

@ -628,6 +628,16 @@ uint8_t *coap_find_option(coap_pkt_t *pkt, unsigned opt_num);
*/ */
unsigned coap_get_content_type(coap_pkt_t *pkt); unsigned coap_get_content_type(coap_pkt_t *pkt);
/**
* @brief Get the Accept option value from a packet if present
*
* @param[in] pkt packet to work on
*
* @returns the packet's Accept option value if included,
* COAP_FORMAT_NONE otherwise
*/
unsigned coap_get_accept(coap_pkt_t *pkt);
/** /**
* @brief Get a uint32 option value * @brief Get a uint32 option value
* *

14
sys/net/application_layer/nanocoap/nanocoap.c
View File

@ -280,9 +280,9 @@ uint8_t *coap_iterate_option(coap_pkt_t *pkt, uint8_t **optpos,
} }
} }
unsigned coap_get_content_type(coap_pkt_t *pkt) static unsigned _get_content_format(coap_pkt_t *pkt, unsigned int opt_num)
{ {
uint8_t *opt_pos = coap_find_option(pkt, COAP_OPT_CONTENT_FORMAT); uint8_t *opt_pos = coap_find_option(pkt, opt_num);
unsigned content_type = COAP_FORMAT_NONE; unsigned content_type = COAP_FORMAT_NONE;
if (opt_pos) { if (opt_pos) {
uint16_t delta; uint16_t delta;
@ -302,6 +302,16 @@ unsigned coap_get_content_type(coap_pkt_t *pkt)
return content_type; return content_type;
} }
unsigned coap_get_content_type(coap_pkt_t *pkt)
{
return _get_content_format(pkt, COAP_OPT_CONTENT_FORMAT);
}
unsigned coap_get_accept(coap_pkt_t *pkt)
{
return _get_content_format(pkt, COAP_OPT_ACCEPT);
}
ssize_t coap_opt_get_next(const coap_pkt_t *pkt, coap_optpos_t *opt, ssize_t coap_opt_get_next(const coap_pkt_t *pkt, coap_optpos_t *opt,
uint8_t **value, bool init_opt) uint8_t **value, bool init_opt)
{ {