dns_compat.h

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/*
 * Copyright (c) 2006-2007 Niels Provos <provos@citi.umich.edu>
 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _EVENT2_DNS_COMPAT_H_
#define _EVENT2_DNS_COMPAT_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <event2/event-config.h>
#ifdef _EVENT_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef _EVENT_HAVE_SYS_TIME_H
#include <sys/time.h>
#endif

/* For int types. */
#include <event2/util.h>

int evdns_init(void);

struct evdns_base;
struct evdns_base *evdns_get_global_base(void);

void evdns_shutdown(int fail_requests);

int evdns_nameserver_add(unsigned long int address);

int evdns_count_nameservers(void);

int evdns_clear_nameservers_and_suspend(void);

int evdns_resume(void);

int evdns_nameserver_ip_add(const char *ip_as_string);

int evdns_resolve_ipv4(const char *name, int flags, evdns_callback_type callback, void *ptr);

int evdns_resolve_ipv6(const char *name, int flags, evdns_callback_type callback, void *ptr);

struct in_addr;
struct in6_addr;

int evdns_resolve_reverse(const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr);

int evdns_resolve_reverse_ipv6(const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr);

int evdns_set_option(const char *option, const char *val, int flags);

int evdns_resolv_conf_parse(int flags, const char *const filename);

void evdns_search_clear(void);

void evdns_search_add(const char *domain);

void evdns_search_ndots_set(const int ndots);

struct evdns_server_port *evdns_add_server_port(evutil_socket_t socket, int flags, evdns_request_callback_fn_type callback, void *user_data);

#ifdef WIN32
int evdns_config_windows_nameservers(void);
#define EVDNS_CONFIG_WINDOWS_NAMESERVERS_IMPLEMENTED
#endif

#ifdef __cplusplus
}
#endif

#endif /* _EVENT2_EVENT_COMPAT_H_ */