dns_sd.h File Reference

DNS Service Discovery. More...

#include <stdint.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/sys/iterable_sections.h>

Go to the source code of this file.

Data Structures
struct	dns_sd_rec
	DNS Service Discovery record. More...

Macros
#define	DNS_SD_INSTANCE_MIN_SIZE   1
	@rfc{1034,section-3.1}
#define	DNS_SD_INSTANCE_MAX_SIZE   63
	@rfc{1034,section-3.1}, @rfc{6763,section-7.2}
#define	DNS_SD_SERVICE_MIN_SIZE   2
	@rfc{6763,section-7.2} - inclusive of underscore
#define	DNS_SD_SERVICE_MAX_SIZE   16
	@rfc{6763,section-7.2} - inclusive of underscore
#define	DNS_SD_SERVICE_PREFIX   '_'
	@rfc{6763,section-4.1.2}
#define	DNS_SD_PROTO_SIZE   4
	@rfc{6763,section-4.1.2} - either _tcp or _udp (case insensitive)
#define	DNS_SD_DOMAIN_MIN_SIZE   2
	ICANN Rules for TLD naming.
#define	DNS_SD_DOMAIN_MAX_SIZE   63
	@rfc{1034,section-3.1}, @rfc{6763,section-7.2}
#define	DNS_SD_MIN_LABELS   3
	Minimum number of segments in a fully-qualified name.
#define	DNS_SD_MAX_LABELS   4
	Maximum number of segments in a fully-qualified name.
#define	DNS_SD_REGISTER_SERVICE(_id, _instance, _service, _proto, _domain, _text, _port)
	Register a service for DNS Service Discovery.
#define	DNS_SD_REGISTER_TCP_SERVICE(id, instance, service, domain, text, port)
	Register a TCP service for DNS Service Discovery.
#define	DNS_SD_REGISTER_UDP_SERVICE(id, instance, service, domain, text, port)
	Register a UDP service for DNS Service Discovery.
#define	DNS_SD_EMPTY_TXT   dns_sd_empty_txt
	Empty DNS-SD TXT specifier.

Functions
static size_t	dns_sd_txt_size (const struct dns_sd_rec *rec)
	Obtain the size of DNS-SD TXT data.
bool	dns_sd_is_service_type_enumeration (const struct dns_sd_rec *rec)
	Check if rec is a DNS-SD Service Type Enumeration.
void	dns_sd_create_wildcard_filter (struct dns_sd_rec *filter)
	Create a wildcard filter for DNS-SD records.

Detailed Description

DNS Service Discovery.