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/* geoip_db.h
 * GeoIP database support
 *
 * Copyright 2008, Gerald Combs <gerald@wireshark.org>
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __GEOIP_DB_H__
#define __GEOIP_DB_H__

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <epan/ipv6.h>
#include <epan/prefs.h>
#include "ws_symbol_export.h"

/* Fake databases to make lat/lon values available */
/* XXX - find a better way to interface */
#define WS_LAT_FAKE_EDITION (NUM_DB_TYPES+1)
#define WS_LON_FAKE_EDITION (NUM_DB_TYPES+2)


/**
 * Init function called from epan.h
 */
extern void geoip_db_pref_init(module_t *nameres);

/**
 * Number of databases we have loaded
 *
 * @return The number GeoIP databases successfully loaded
 */
WS_DLL_PUBLIC guint geoip_db_num_dbs(void);

/**
 * Fetch the name of a database
 *
 * @param dbnum Database index
 * @return The database name or "Invalid database"
 */
WS_DLL_PUBLIC const gchar *geoip_db_name(guint dbnum);

/**
 * Fetch the database type. Types are enumerated in GeoIPDBTypes in GeoIP.h.
 *
 * @param dbnum Database index
 * @return The database type or -1
 */
WS_DLL_PUBLIC int geoip_db_type(guint dbnum);

/**
 * Look up an IPv4 address in a database
 *
 * @param dbnum Database index
 * @param addr IPv4 address to look up
 * @param not_found The string to return if the lookup fails. May be NULL.
 *
 * @return The database entry if found, else not_found. Return value must be freed with wmem_free.
 */
WS_DLL_PUBLIC char *geoip_db_lookup_ipv4(guint dbnum, guint32 addr, const char *not_found);

/**
 * Look up an IPv6 address in a database
 *
 * @param dbnum Database index
 * @param addr IPv6 address to look up
 * @param not_found The string to return if the lookup fails. May be NULL.
 *
 * @return The database entry if found, else not_found. Return value must be freed with wmem_free.
 */
WS_DLL_PUBLIC char *geoip_db_lookup_ipv6(guint dbnum, struct e_in6_addr addr, const char *not_found);

/**
 * Get all configured paths
 *
 * @return String with all paths separated by a path separator
 */
WS_DLL_PUBLIC gchar *geoip_db_get_paths(void);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GEOIP_DB_H__ */

/*
 * Editor modelines
 *
 * Local Variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * ex: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */