52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
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* ntp_intres.h - client interface to blocking-worker name resolution.
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*/
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#ifndef NTP_INTRES_H
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#define NTP_INTRES_H
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#include <ntp_worker.h>
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#ifdef WORKER
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#define INITIAL_DNS_RETRY 2 /* seconds between queries */
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/* flags for extended addrinfo version */
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#define GAIR_F_IGNDNSERR 0x0001 /* ignore DNS errors */
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/*
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* you call getaddrinfo_sometime(name, service, &hints, retry, callback_func, context);
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* later (*callback_func)(rescode, gai_errno, context, name, service, hints, ai_result) is called.
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*/
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typedef void (*gai_sometime_callback)
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(int, int, void *, const char *, const char *,
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const struct addrinfo *, const struct addrinfo *);
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extern int getaddrinfo_sometime(const char *, const char *,
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const struct addrinfo *, int,
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gai_sometime_callback, void *);
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extern int getaddrinfo_sometime_ex(const char *, const char *,
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const struct addrinfo *, int,
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gai_sometime_callback, void *, u_int);
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/*
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* In gai_sometime_callback routines, the resulting addrinfo list is
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* only available until the callback returns. To hold on to the list
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* of addresses after the callback returns, use copy_addrinfo_list():
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*
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* struct addrinfo *copy_addrinfo_list(const struct addrinfo *);
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*/
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/*
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* you call getnameinfo_sometime(sockaddr, namelen, servlen, flags, callback_func, context);
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* later (*callback_func)(rescode, gni_errno, sockaddr, flags, name, service, context) is called.
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*/
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typedef void (*gni_sometime_callback)
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(int, int, sockaddr_u *, int, const char *,
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const char *, void *);
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extern int getnameinfo_sometime(sockaddr_u *, size_t, size_t, int,
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gni_sometime_callback, void *);
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#endif /* WORKER */
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/* intres_timeout_req() is provided by the client, ntpd or sntp. */
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extern void intres_timeout_req(u_int);
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#endif /* NTP_INTRES_H */
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