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/*
* PgBouncer - Lightweight connection pooler for PostgreSQL.
*
* Copyright (c) 2007-2010 Marko Kreen, Skype Technologies OÜ
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
struct DNSContext;
struct DNSToken;
struct addrinfo;
typedef void (*adns_callback_f)(void *arg, const struct sockaddr *sa, int salen);
struct DNSContext *adns_create_context(void);
void adns_reload(struct DNSContext *ctx);
void adns_free_context(struct DNSContext *ctx);
struct DNSToken *adns_resolve(struct DNSContext *ctx, const char *name, adns_callback_f cb_func, void *arg);
void adns_cancel(struct DNSContext *ctx, struct DNSToken *tk);
const char *adns_get_backend(void);
void adns_zone_cache_maint(struct DNSContext *ctx);
void adns_info(struct DNSContext *ctx, int *names, int *zones, int *queries, int *pending);
typedef void (*adns_walk_name_f)(void *arg, const char *name, const struct addrinfo *ai, usec_t ttl);
typedef void (*adns_walk_zone_f)(void *arg, const char *name, uint32_t serial, int nhosts);
void adns_walk_names(struct DNSContext *ctx, adns_walk_name_f cb, void *arg);
void adns_walk_zones(struct DNSContext *ctx, adns_walk_zone_f cb, void *arg);
void adns_per_loop(struct DNSContext *ctx);
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