#include "ares_nameser.h"
#include <sys/types.h>
#include <netinet/in.h>
#include "ares_socketfunc.h"

Classes
struct	multiFamilyAddr

struct	ares_options

Macros
#define	DNS__16BIT(p) (((p)[0] << 8) \| (p)[1])

#define	DNS__32BIT(p)

#define	DNS_HEADER_QDCOUNT(h) DNS__16BIT((h) + 4)

#define	DNS_HEADER_ANCOUNT(h) DNS__16BIT((h) + 6)

#define	DNS_HEADER_NSCOUNT(h) DNS__16BIT((h) + 8)

#define	DNS_HEADER_ARCOUNT(h) DNS__16BIT((h) + 10)

#define	DNS_RR_TYPE(r) DNS__16BIT(r)

#define	DNS_RR_LEN(r) DNS__16BIT((r) + 8)

#define	DNS_RR_TTL(r) DNS__32BIT((r) + 4)

#define	ARES_SUCCESS 0

#define	ARES_ENODATA 1

#define	ARES_EFORMERR 2

#define	ARES_ESERVFAIL 3

#define	ARES_ENOTFOUND 4

#define	ARES_ENOTIMP 5

#define	ARES_EREFUSED 6

#define	ARES_EBADQUERY 7

#define	ARES_EBADNAME 8

#define	ARES_EBADFAMILY 9

#define	ARES_EBADRESP 10

#define	ARES_ECONNREFUSED 11

#define	ARES_ETIMEOUT 12

#define	ARES_EOF 13

#define	ARES_EFILE 14

#define	ARES_ENOMEM 15

#define	ARES_EDESTRUCTION 16

#define	ARES_FLAG_USEVC (1 << 0)

#define	ARES_FLAG_PRIMARY (1 << 1)

#define	ARES_FLAG_IGNTC (1 << 2)

#define	ARES_FLAG_NORECURSE (1 << 3)

#define	ARES_FLAG_STAYOPEN (1 << 4)

#define	ARES_FLAG_NOSEARCH (1 << 5)

#define	ARES_FLAG_NOALIASES (1 << 6)

#define	ARES_FLAG_NOCHECKRESP (1 << 7)

#define	ARES_FLAG_TRY_NEXT_SERVER_ON_RCODE3 (1 << 8) /* when rcode of 3 ('No such name') is recvd */

#define	ARES_OPT_FLAGS (1 << 0)

#define	ARES_OPT_TIMEOUT (1 << 1)

#define	ARES_OPT_TRIES (1 << 2)

#define	ARES_OPT_NDOTS (1 << 3)

#define	ARES_OPT_UDP_PORT (1 << 4)

#define	ARES_OPT_TCP_PORT (1 << 5)

#define	ARES_OPT_SERVERS (1 << 6)

#define	ARES_OPT_DOMAINS (1 << 7)

#define	ARES_OPT_LOOKUPS (1 << 8)

#define	ARES_CAP_IPV6 (1 << 0)

Typedefs
typedef enum ares_poll_action	ares_poll_action_t

typedef void()	ares_poll_cb_func(void cb_data, struct ares_channeldata chan, int sockidx, int fd, int using_tcp, ares_poll_action_t act)

typedef struct ares_channeldata *	ares_channel

typedef void(*	ares_callback) (void arg, int status, unsigned char abuf, int alen)

typedef void(*	ares_host_callback) (void arg, int status, struct hostent hostent)

Enumerations
enum	ares_poll_action { ARES_POLLACTION_NULL = (0) , ARES_POLLACTION_OPEN = (1) , ARES_POLLACTION_CLOSE = (2) , ARES_POLLACTION_WRITEON = (3) , ARES_POLLACTION_WRITEOFF = (4) }

Functions
int	ares_init (ares_channel *channelptr)

int	ares_init_with_socket_function (ares_channel *channelptr, socket_function_ptr)

int	ares_capabilities (int capmask)

int	ares_init_options (ares_channel channelptr, struct ares_options options, int optmask)

int	ares_init_options_with_socket_function (ares_channel channelptr, struct ares_options options, int optmask, socket_function_ptr)

void	ares_destroy (ares_channel channel)

void	ares_destroy_suppress_callbacks (ares_channel channel)

void	ares_destroy_internal (ares_channel channel, int suppressCallbacks)

void	ares_send (ares_channel channel, const unsigned char qbuf, int qlen, ares_callback callback, void arg)

void	ares_query (ares_channel channel, const char name, int dnsclass, int type, ares_callback callback, void arg)

void	ares_search (ares_channel channel, const char name, int dnsclass, int type, ares_callback callback, void arg)

void	ares_gethostbyname (ares_channel channel, const char name, int family, ares_host_callback callback, void arg)

void	ares_gethostbyaddr (ares_channel channel, const void addr, int addrlen, int family, ares_host_callback callback, void arg)

int	hostfile_lookup (const char name, struct hostent *host)

int	ares_fds (ares_channel channel, fd_set read_fds, fd_set write_fds)

struct timeval *	ares_timeout (ares_channel channel, struct timeval maxtv, struct timeval tv)

void	ares_process (ares_channel channel, fd_set read_fds, fd_set write_fds)

void	ares_process_set_poll_cb (ares_channel channel, ares_poll_cb_func cb_func, void cb_data)

void	ares_process_poll (ares_channel channel, int server_idx, int rdFd, int wrFd, time_t now)

int	ares_mkquery (const char name, int dnsclass, int type, unsigned short id, int rd, unsigned char buf, int buflen)

int	ares_expand_name (const unsigned char encoded, const unsigned char abuf, int alen, char *s, long enclen)

int	ares_parse_a_reply (const unsigned char abuf, int alen, struct hostent *host)

int	ares_parse_ptr_reply (const unsigned char abuf, int alen, const void addr, int addrlen, int family, struct hostent **host)

void	ares_free_string (char *str)

void	ares_free_hostent (struct hostent *host)

const char *	ares_strerror (int code)

void	ares_free_errmem (char *mem)

Macro Definition Documentation

◆ ARES_CAP_IPV6

#define ARES_CAP_IPV6 (1 << 0)

Definition at line 125 of file ares.h.

◆ ARES_EBADFAMILY

#define ARES_EBADFAMILY 9

Definition at line 92 of file ares.h.

◆ ARES_EBADNAME

#define ARES_EBADNAME 8

Definition at line 91 of file ares.h.

◆ ARES_EBADQUERY

#define ARES_EBADQUERY 7

Definition at line 90 of file ares.h.

◆ ARES_EBADRESP

#define ARES_EBADRESP 10

Definition at line 93 of file ares.h.

◆ ARES_ECONNREFUSED

#define ARES_ECONNREFUSED 11

Definition at line 94 of file ares.h.

◆ ARES_EDESTRUCTION

#define ARES_EDESTRUCTION 16

Definition at line 99 of file ares.h.

◆ ARES_EFILE

#define ARES_EFILE 14

Definition at line 97 of file ares.h.

◆ ARES_EFORMERR

#define ARES_EFORMERR 2

Definition at line 83 of file ares.h.

◆ ARES_ENODATA

#define ARES_ENODATA 1

Definition at line 82 of file ares.h.

◆ ARES_ENOMEM

#define ARES_ENOMEM 15

Definition at line 98 of file ares.h.

◆ ARES_ENOTFOUND

#define ARES_ENOTFOUND 4

Definition at line 85 of file ares.h.

◆ ARES_ENOTIMP

#define ARES_ENOTIMP 5

Definition at line 86 of file ares.h.

◆ ARES_EOF

#define ARES_EOF 13

Definition at line 96 of file ares.h.

◆ ARES_EREFUSED

#define ARES_EREFUSED 6

Definition at line 87 of file ares.h.

◆ ARES_ESERVFAIL

#define ARES_ESERVFAIL 3

Definition at line 84 of file ares.h.

◆ ARES_ETIMEOUT

#define ARES_ETIMEOUT 12

Definition at line 95 of file ares.h.

◆ ARES_FLAG_IGNTC

#define ARES_FLAG_IGNTC (1 << 2)

Definition at line 104 of file ares.h.

◆ ARES_FLAG_NOALIASES

#define ARES_FLAG_NOALIASES (1 << 6)

Definition at line 108 of file ares.h.

◆ ARES_FLAG_NOCHECKRESP

#define ARES_FLAG_NOCHECKRESP (1 << 7)

Definition at line 109 of file ares.h.

◆ ARES_FLAG_NORECURSE

#define ARES_FLAG_NORECURSE (1 << 3)

Definition at line 105 of file ares.h.

◆ ARES_FLAG_NOSEARCH

#define ARES_FLAG_NOSEARCH (1 << 5)

Definition at line 107 of file ares.h.

◆ ARES_FLAG_PRIMARY

#define ARES_FLAG_PRIMARY (1 << 1)

Definition at line 103 of file ares.h.

◆ ARES_FLAG_STAYOPEN

#define ARES_FLAG_STAYOPEN (1 << 4)

Definition at line 106 of file ares.h.

◆ ARES_FLAG_TRY_NEXT_SERVER_ON_RCODE3

#define ARES_FLAG_TRY_NEXT_SERVER_ON_RCODE3 (1 << 8) /* when rcode of 3 ('No such name') is recvd */

Definition at line 110 of file ares.h.

◆ ARES_FLAG_USEVC

#define ARES_FLAG_USEVC (1 << 0)

Definition at line 102 of file ares.h.

◆ ARES_OPT_DOMAINS

#define ARES_OPT_DOMAINS (1 << 7)

Definition at line 120 of file ares.h.

◆ ARES_OPT_FLAGS

#define ARES_OPT_FLAGS (1 << 0)

Definition at line 113 of file ares.h.

◆ ARES_OPT_LOOKUPS

#define ARES_OPT_LOOKUPS (1 << 8)

Definition at line 121 of file ares.h.

◆ ARES_OPT_NDOTS

#define ARES_OPT_NDOTS (1 << 3)

Definition at line 116 of file ares.h.

◆ ARES_OPT_SERVERS

#define ARES_OPT_SERVERS (1 << 6)

Definition at line 119 of file ares.h.

◆ ARES_OPT_TCP_PORT

#define ARES_OPT_TCP_PORT (1 << 5)

Definition at line 118 of file ares.h.

◆ ARES_OPT_TIMEOUT

#define ARES_OPT_TIMEOUT (1 << 1)

Definition at line 114 of file ares.h.

◆ ARES_OPT_TRIES

#define ARES_OPT_TRIES (1 << 2)

Definition at line 115 of file ares.h.

◆ ARES_OPT_UDP_PORT

#define ARES_OPT_UDP_PORT (1 << 4)

Definition at line 117 of file ares.h.

◆ ARES_SUCCESS

#define ARES_SUCCESS 0

Definition at line 79 of file ares.h.

◆ DNS__16BIT

#define DNS__16BIT ( p ) (((p)[0] << 8) | (p)[1])

Definition at line 45 of file ares.h.

◆ DNS__32BIT

#define DNS__32BIT ( p )

Value:

(((p)[0] << 24) | ((p)[1] << 16) | \

((p)[2] << 8) | (p)[3])

Definition at line 46 of file ares.h.

◆ DNS_HEADER_ANCOUNT

#define DNS_HEADER_ANCOUNT ( h ) DNS__16BIT((h) + 6)

Definition at line 49 of file ares.h.

◆ DNS_HEADER_ARCOUNT

#define DNS_HEADER_ARCOUNT ( h ) DNS__16BIT((h) + 10)

Definition at line 51 of file ares.h.

◆ DNS_HEADER_NSCOUNT

#define DNS_HEADER_NSCOUNT ( h ) DNS__16BIT((h) + 8)

Definition at line 50 of file ares.h.

◆ DNS_HEADER_QDCOUNT

#define DNS_HEADER_QDCOUNT ( h ) DNS__16BIT((h) + 4)

Definition at line 48 of file ares.h.

◆ DNS_RR_LEN

#define DNS_RR_LEN ( r ) DNS__16BIT((r) + 8)

Definition at line 53 of file ares.h.

◆ DNS_RR_TTL

#define DNS_RR_TTL ( r ) DNS__32BIT((r) + 4)

Definition at line 54 of file ares.h.

◆ DNS_RR_TYPE

#define DNS_RR_TYPE ( r ) DNS__16BIT(r)

Definition at line 52 of file ares.h.

Typedef Documentation

◆ ares_callback

typedef void(* ares_callback) (void *arg, int status, unsigned char *abuf, int alen)

Definition at line 172 of file ares.h.

◆ ares_channel

typedef struct ares_channeldata* ares_channel

Definition at line 171 of file ares.h.

◆ ares_host_callback

typedef void(* ares_host_callback) (void *arg, int status, struct hostent *hostent)

Definition at line 174 of file ares.h.

◆ ares_poll_action_t

typedef enum ares_poll_action ares_poll_action_t

◆ ares_poll_cb_func

typedef void() ares_poll_cb_func(void *cb_data, struct ares_channeldata *chan, int sockidx, int fd, int using_tcp, ares_poll_action_t act)

Definition at line 135 of file ares.h.

Enumeration Type Documentation

◆ ares_poll_action

enum ares_poll_action

Enumerator
ARES_POLLACTION_NULL
ARES_POLLACTION_OPEN
ARES_POLLACTION_CLOSE
ARES_POLLACTION_WRITEON
ARES_POLLACTION_WRITEOFF

Definition at line 127 of file ares.h.

Function Documentation

◆ ares_capabilities()

int ares_capabilities ( int capmask )

extern

Definition at line 94 of file ares_init.c.

◆ ares_destroy()

void ares_destroy ( ares_channel channel )

extern

Definition at line 23 of file ares_destroy.c.

◆ ares_destroy_internal()

void ares_destroy_internal	(	ares_channel	channel,
		int	suppressCallbacks
	)

extern

Definition at line 33 of file ares_destroy.c.

◆ ares_destroy_suppress_callbacks()

void ares_destroy_suppress_callbacks ( ares_channel channel )

extern

Definition at line 28 of file ares_destroy.c.

◆ ares_expand_name()

int ares_expand_name	(	const unsigned char *	encoded,
		const unsigned char *	abuf,
		int	alen,
		char **	s,
		long *	enclen
	)

extern

Definition at line 83 of file ares_expand_name.c.

◆ ares_fds()

int ares_fds	(	ares_channel	channel,
		fd_set *	read_fds,
		fd_set *	write_fds
	)

extern

Definition at line 22 of file ares_fds.c.

◆ ares_free_errmem()

void ares_free_errmem ( char * mem )

extern

Definition at line 23 of file ares_free_errmem.c.

◆ ares_free_hostent()

void ares_free_hostent ( struct hostent * host )

extern

Definition at line 24 of file ares_free_hostent.c.

◆ ares_free_string()

void ares_free_string ( char * str )

extern

Definition at line 20 of file ares_free_string.c.

◆ ares_gethostbyaddr()

void ares_gethostbyaddr	(	ares_channel	channel,
		const void *	addr,
		int	addrlen,
		int	family,
		ares_host_callback	callback,
		void *	arg
	)

extern

Definition at line 55 of file ares_gethostbyaddr.c.

◆ ares_gethostbyname()

void ares_gethostbyname	(	ares_channel	channel,
		const char *	name,
		int	family,
		ares_host_callback	callback,
		void *	arg
	)

extern

Definition at line 64 of file ares_gethostbyname.c.

◆ ares_init()

int ares_init ( ares_channel * channelptr )

extern

Definition at line 104 of file ares_init.c.

◆ ares_init_options()

int ares_init_options	(	ares_channel *	channelptr,
		struct ares_options *	options,
		int	optmask
	)

extern

Definition at line 114 of file ares_init.c.

◆ ares_init_options_with_socket_function()

int ares_init_options_with_socket_function	(	ares_channel *	channelptr,
		struct ares_options *	options,
		int	optmask,
		socket_function_ptr	socketFunc
	)

extern

Definition at line 120 of file ares_init.c.

◆ ares_init_with_socket_function()

int ares_init_with_socket_function	(	ares_channel *	channelptr,
		socket_function_ptr	socketFunc
	)

extern

Definition at line 109 of file ares_init.c.

◆ ares_mkquery()

int ares_mkquery	(	const char *	name,
		int	dnsclass,
		int	type,
		unsigned short	id,
		int	rd,
		unsigned char **	buf,
		int *	buflen
	)

extern

Definition at line 77 of file ares_mkquery.c.

◆ ares_parse_a_reply()

int ares_parse_a_reply	(	const unsigned char *	abuf,
		int	alen,
		struct hostent **	host
	)

extern

Definition at line 34 of file ares_parse_a_reply.c.

◆ ares_parse_ptr_reply()

int ares_parse_ptr_reply	(	const unsigned char *	abuf,
		int	alen,
		const void *	addr,
		int	addrlen,
		int	family,
		struct hostent **	host
	)

extern

Definition at line 35 of file ares_parse_ptr_reply.c.

◆ ares_process()

void ares_process	(	ares_channel	channel,
		fd_set *	read_fds,
		fd_set *	write_fds
	)

extern

Definition at line 87 of file ares_process.c.

◆ ares_process_poll()

void ares_process_poll	(	ares_channel	channel,
		int	server_idx,
		int	rdFd,
		int	wrFd,
		time_t	now
	)

extern

Definition at line 105 of file ares_process.c.

◆ ares_process_set_poll_cb()

void ares_process_set_poll_cb	(	ares_channel	channel,
		ares_poll_cb_func *	cb_func,
		void *	cb_data
	)

extern

Definition at line 1015 of file ares_process.c.

◆ ares_query()

void ares_query	(	ares_channel	channel,
		const char *	name,
		int	dnsclass,
		int	type,
		ares_callback	callback,
		void *	arg
	)

extern

Definition at line 38 of file ares_query.c.

◆ ares_search()

void ares_search	(	ares_channel	channel,
		const char *	name,
		int	dnsclass,
		int	type,
		ares_callback	callback,
		void *	arg
	)

extern

Definition at line 45 of file ares_search.c.

◆ ares_send()

void ares_send	(	ares_channel	channel,
		const unsigned char *	qbuf,
		int	qlen,
		ares_callback	callback,
		void *	arg
	)

extern

Definition at line 33 of file ares_send.c.

◆ ares_strerror()

const char * ares_strerror ( int code )

extern

Definition at line 19 of file ares_strerror.c.

◆ ares_timeout()

struct timeval * ares_timeout	(	ares_channel	channel,
		struct timeval *	maxtv,
		struct timeval *	tv
	)

extern

Definition at line 24 of file ares_timeout.c.

◆ hostfile_lookup()

int hostfile_lookup	(	const char *	name,
		struct hostent **	host
	)

extern

Definition at line 227 of file ares_gethostbyname.c.

Classes

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ ARES_CAP_IPV6

◆ ARES_EBADFAMILY

◆ ARES_EBADNAME

◆ ARES_EBADQUERY

◆ ARES_EBADRESP

◆ ARES_ECONNREFUSED

◆ ARES_EDESTRUCTION

◆ ARES_EFILE

◆ ARES_EFORMERR

◆ ARES_ENODATA

◆ ARES_ENOMEM

◆ ARES_ENOTFOUND

◆ ARES_ENOTIMP

◆ ARES_EOF

◆ ARES_EREFUSED

◆ ARES_ESERVFAIL

◆ ARES_ETIMEOUT

◆ ARES_FLAG_IGNTC

◆ ARES_FLAG_NOALIASES

◆ ARES_FLAG_NOCHECKRESP

◆ ARES_FLAG_NORECURSE

◆ ARES_FLAG_NOSEARCH

◆ ARES_FLAG_PRIMARY

◆ ARES_FLAG_STAYOPEN

◆ ARES_FLAG_TRY_NEXT_SERVER_ON_RCODE3

◆ ARES_FLAG_USEVC

◆ ARES_OPT_DOMAINS

◆ ARES_OPT_FLAGS

◆ ARES_OPT_LOOKUPS

◆ ARES_OPT_NDOTS

◆ ARES_OPT_SERVERS

◆ ARES_OPT_TCP_PORT

◆ ARES_OPT_TIMEOUT

◆ ARES_OPT_TRIES

◆ ARES_OPT_UDP_PORT

◆ ARES_SUCCESS

◆ DNS__16BIT

◆ DNS__32BIT

◆ DNS_HEADER_ANCOUNT

◆ DNS_HEADER_ARCOUNT

◆ DNS_HEADER_NSCOUNT

◆ DNS_HEADER_QDCOUNT

◆ DNS_RR_LEN

◆ DNS_RR_TTL

◆ DNS_RR_TYPE

Typedef Documentation

◆ ares_callback

◆ ares_channel

◆ ares_host_callback

◆ ares_poll_action_t

◆ ares_poll_cb_func

Enumeration Type Documentation

◆ ares_poll_action

Function Documentation

◆ ares_capabilities()

◆ ares_destroy()

◆ ares_destroy_internal()

◆ ares_destroy_suppress_callbacks()

◆ ares_expand_name()

◆ ares_fds()

◆ ares_free_errmem()

◆ ares_free_hostent()

◆ ares_free_string()

◆ ares_gethostbyaddr()

◆ ares_gethostbyname()

◆ ares_init()

◆ ares_init_options()

◆ ares_init_options_with_socket_function()

◆ ares_init_with_socket_function()

◆ ares_mkquery()

◆ ares_parse_a_reply()

◆ ares_parse_ptr_reply()

◆ ares_process()

◆ ares_process_poll()