dns.h File Reference

NetBurner Domain Name Server Header File. More...

#include <nettypes.h>
#include <nbrtos.h>
#include <buffers.h>
#include <udp.h>

Go to the source code of this file.

Macros
#define	DNS_OK   (0)
	Success.
#define	DNS_TIMEOUT   (1)
	Request timed out.
#define	DNS_NOSUCHNAME   (2)
	Name not found.
#define	DNS_ERR   (3)
	Other error.
#define	DNS_A   1
	32-bit IPv4 address
#define	DNS_CNAME   5
	Canonical name record.
#define	DNS_MB   7
	Mailing list subscriber list.
#define	DNS_MG   8
	Mailing list subscriber list.
#define	DNS_MX   15
	Mail exchange record.
#define	DNS_AAAA   28
	128-bit IPv6 address

Functions
bool	IsNameIPAddress (const char *name)
	Determine if the name is a valid IP Address and does not need to be looked up.
int	fd_dns_part1 (const char *name, const IPADDR &dns_server, uint16_t TYPE=DNS_A, uint16_t TYPE2=0, int ifn=-1)
	Open a UDP socket and initiate a DNS lookup.
bool	fd_dns_processresult (int fd, const char *name, IPADDR &addr_out, uint16_t TYPE=DNS_A, uint16_t TYPE2=DNS_AAAA, uint32_t *ttl=0)
	Process any responses on the UDP socket opened for DNS.
int	fd_outstanding_Responses (int fd)
	Check to see if there are any outstanding DNS requests.
bool	AnyDNSInterFaceActive ()
	Determine if we have an active DNS route; DNS server is set for an active interface.
int	GetHostByName (const char *name, IPADDR *pIpaddr, const IPADDR &dns_server, const TickTimeout tout, uint16_t TYPE1=DNS_A, uint16_t TYPE2=extra_dns_t, uint32_t *ttl=NULL)
	Get the IP address associated with the specified domain name.
int	GetHostByNameViaIfNum (const char *name, IPADDR *pIpaddr, const IPADDR &dns_server, int ifn, const TickTimeout &tout, uint16_t TYPE1=DNS_A, uint16_t TYPE2=extra_dns_t, uint32_t *ttl=NULL)
	Get the IP address associated with the specified domain name on a specific interface.

Detailed Description

NetBurner Domain Name Server Header File.