dns.h File Reference

DNS sock definitions. More...

Detailed Description

DNS sock definitions.

Author

Kaspar Schleiser kaspa.nosp@m.r@sc.nosp@m.hleis.nosp@m.er.d.nosp@m.e

Definition in file dns.h.

#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#include "net/sock/udp.h"

Include dependency graph for dns.h:

Go to the source code of this file.

Data Structures
struct	sock_dns_hdr_t
	DNS internal structure. More...

Functions
int	sock_dns_query (const char *domain_name, void *addr_out, int family)
	Get IP address for DNS name. More...

Variables
sock_udp_ep_t	sock_dns_server
	global DNS server endpoint

DNS defines
#define	DNS_TYPE_A   (1)
#define	DNS_TYPE_AAAA   (28)
#define	DNS_CLASS_IN   (1)
#define	SOCK_DNS_PORT   (53)
#define	SOCK_DNS_RETRIES   (2)
#define	SOCK_DNS_BUF_LEN   (128) /* we're in embedded context. */
#define	SOCK_DNS_MAX_NAME_LEN   (SOCK_DNS_BUF_LEN - sizeof(sock_dns_hdr_t) - 4)