ntp_intres.h revision 290001 
1/*
2 * ntp_intres.h - client interface to blocking-worker name resolution.
3 */
4#ifndef NTP_INTRES_H
5#define NTP_INTRES_H
6
7#include <ntp_worker.h>
8
9#ifdef WORKER
10#define	INITIAL_DNS_RETRY	2	/* seconds between queries */
11
12/*
13 * you call getaddrinfo_sometime(name, service, &hints, retry, callback_func, context);
14 * later (*callback_func)(rescode, gai_errno, context, name, service, hints, ai_result) is called.
15 */
16typedef void	(*gai_sometime_callback)
17		    (int, int, void *, const char *, const char *,
18		     const struct addrinfo *, const struct addrinfo *);
19extern int	getaddrinfo_sometime(const char *, const char *,
20				     const struct addrinfo *, int,
21				     gai_sometime_callback, void *);
22/*
23 * In gai_sometime_callback routines, the resulting addrinfo list is
24 * only available until the callback returns.  To hold on to the list
25 * of addresses after the callback returns, use copy_addrinfo_list():
26 *
27 * struct addrinfo *copy_addrinfo_list(const struct addrinfo *);
28 */
29
30
31/*
32 * you call getnameinfo_sometime(sockaddr, namelen, servlen, flags, callback_func, context);
33 * later (*callback_func)(rescode, gni_errno, sockaddr, flags, name, service, context) is called.
34 */
35typedef void	(*gni_sometime_callback)
36		    (int, int, sockaddr_u *, int, const char *,
37		     const char *, void *);
38extern int getnameinfo_sometime(sockaddr_u *, size_t, size_t, int,
39				gni_sometime_callback, void *);
40#endif	/* WORKER */
41
42/* intres_timeout_req() is provided by the client, ntpd or sntp. */
43extern void intres_timeout_req(u_int);
44
45#endif	/* NTP_INTRES_H */
46