/**

 * vim: set ts=4 :

 * ================================================================

 * SourceMod GeoIP Extension

 * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.

 * ================================================================

 *

 * This program is free software; you can redistribute it and/or 

 * modify it under the terms of the GNU General Public License, 

 * version 3.0, as published by the Free Software Foundation.

 * 

 * 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, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to 

 * link the code of this program (as well as its derivative works) to 

 * "Half-Life 2," the "Source Engine," the "SourcePawn JIT," and any 

 * Game MODs that run on software by the Valve Corporation.  You must 

 * obey the GNU General Public License in all respects for all other 

 * code used. Additionally, AlliedModders LLC grants this exception 

 * to all derivative works. AlliedModders LLC defines further 

 * exceptions, found in LICENSE.txt (as of this writing, version 

 * JULY-31-2007), or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#include "extension.h"

#include "GeoIP.h"

/**

 * @file extension.cpp

 * @brief Implement extension code here.

 */

GeoIP_Extension g_GeoIP;

GeoIP *gi = NULL;

SMEXT_LINK(&g_GeoIP);

bool GeoIP_Extension::SDK_OnLoad(char *error, size_t maxlength, bool late)

{

	char path[PLATFORM_MAX_PATH];

	g_pSM->BuildPath(Path_SM, path, sizeof(path), "configs/geoip/GeoIP.dat");

	gi = GeoIP_open(path, GEOIP_MEMORY_CACHE);

	if (!gi)

	{

		snprintf(error, maxlength, "Could not load configs/geoip/GeoIP.dat");

		return false;

	}

	g_pShareSys->AddNatives(myself, geoip_natives);

	g_pSM->LogMessage(myself, "GeoIP database info: %s", GeoIP_database_info(gi));

	return true;

}

void GeoIP_Extension::SDK_OnUnload()

{

	GeoIP_delete(gi);

	gi = NULL;

}

/*******************************

*                              *

* GEOIP NATIVE IMPLEMENTATIONS *

*                              *

*******************************/

inline void StripPort(char *ip)

{

	char *tmp = strchr(ip, ':');

	if (!tmp)

		return;

	*tmp = '\0';

}

static cell_t sm_Geoip_Code2(IPluginContext *pCtx, const cell_t *params)

{

	char *ip;

	const char *ccode;

	pCtx->LocalToString(params[1], &ip);

	StripPort(ip);

	ccode = GeoIP_country_code_by_addr(gi, ip);

	pCtx->StringToLocal(params[2], 3, ccode ? ccode : "");

	return ccode ? 1 : 0;

}

static cell_t sm_Geoip_Code3(IPluginContext *pCtx, const cell_t *params)

{

	char *ip;

	const char *ccode;

	pCtx->LocalToString(params[1], &ip);

	StripPort(ip);

	ccode = GeoIP_country_code3_by_addr(gi, ip);

	pCtx->StringToLocal(params[2], 4, ccode ? ccode : "");

	return ccode ? 1 : 0;

}

static cell_t sm_Geoip_Country(IPluginContext *pCtx, const cell_t *params)

{

	char *ip;

	const char *ccode;

	pCtx->LocalToString(params[1], &ip);

	StripPort(ip);

	ccode = GeoIP_country_name_by_addr(gi, ip);

	pCtx->StringToLocal(params[2], params[3], (ccode) ? ccode : "");

	return ccode ? 1 : 0;

}

const sp_nativeinfo_t geoip_natives[] = 

{

	{"GeoipCode2",			sm_Geoip_Code2},

	{"GeoipCode3",			sm_Geoip_Code3},

	{"GeoipCountry",		sm_Geoip_Country},

	{NULL,					NULL},

};