/**

 * vim: set ts=4 :

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

 * SourceMod GeoIP Extension

 * Copyright (C) 2004-2008 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 <sourcemod_version.h>

#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_pShareSys->RegisterLibrary(myself, "GeoIP");

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

	return true;

}

void GeoIP_Extension::SDK_OnUnload()

{

	GeoIP_delete(gi);

	gi = NULL;

}

const char *GeoIP_Extension::GetExtensionVerString()

{

	return SOURCEMOD_VERSION;

}

const char *GeoIP_Extension::GetExtensionDateString()

{

	return SOURCEMOD_BUILD_TIME;

}

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

*                              *

* 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},

};