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/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef DNSCACHE_H_INCLUDED
#define DNSCACHE_H_INCLUDED
#include "syslog-ng.h"
typedef struct
{
gint cache_size;
gint expire;
gint expire_failed;
gchar *hosts;
} DNSCacheOptions;
typedef struct _DNSCache DNSCache;
void dns_cache_store_persistent(DNSCache *self, gint family, void *addr, const gchar *hostname);
void dns_cache_store_dynamic(DNSCache *self, gint family, void *addr, const gchar *hostname, gboolean positive);
gboolean dns_cache_lookup(DNSCache *self, gint family, void *addr, const gchar **hostname, gsize *hostname_len, gboolean *positive);
DNSCache *dns_cache_new(const DNSCacheOptions *options);
void dns_cache_free(DNSCache *self);
void dns_cache_options_defaults(DNSCacheOptions *options);
void dns_cache_options_destroy(DNSCacheOptions *options);
gboolean dns_caching_lookup(gint family, void *addr, const gchar **hostname, gsize *hostname_len, gboolean *positive);
void dns_caching_store(gint family, void *addr, const gchar *hostname, gboolean positive);
void dns_caching_update_options(const DNSCacheOptions *dns_cache_options);
void dns_caching_thread_init(void);
void dns_caching_thread_deinit(void);
void dns_caching_global_init(void);
void dns_caching_global_deinit(void);
#endif
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