<?php   

// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2009 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list

// This program 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; version 2

// 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.


function mysql_session_open ($save_path, $session_name) {
	return true;
} 

function mysql_session_close() {
	return true;
} 

function mysql_session_read ($SessionID) {        

	$SessionID = addslashes($SessionID); 
 
    $sql = "SELECT data FROM tsessions_php                   
		WHERE id_session = '$SessionID'";
	
	$session_data = db_process_sql($sql);

	if (count($session_data) == 1) {        
		return $session_data[0]['data'];
	} else {             
		return false;         
	}     
} 

function mysql_session_write ($SessionID, $val) {

	$SessionID = addslashes($SessionID);         
    $val = addslashes($val); 

	$sql = "SELECT COUNT(*) FROM tsessions_php
		WHERE id_session = '$SessionID'";
		
	$SessionExists = db_process_sql ($sql); 

	$session_exists = $SessionExists[0]['COUNT(*)'];

	if ($session_exists == 0) {
		$now = time();
		$retval_write = db_process_sql_insert ('tsessions_php', array('id_session'=>$SessionID, 'last_active'=>$now, 'data'=>$val));
	} else {
		$now = time();
		$retval_write = db_process_sql_update ('tsessions_php', array('last_active'=>$now, 'data'=>$val), array('id_session'=>$SessionID));
	} 

	return $retval_write;     
} 

function mysql_session_destroy ($SessionID) {   
    $SessionID = addslashes($SessionID); 

    $retval = db_process_sql ("DELETE FROM tsessions_php 
				WHERE id_session = '$SessionID'");
	return $retval;
} 

function mysql_session_gc ($maxlifetime = 300) {
	global $config;
	
	if (isset($config['session_timeout'])) {
		$maxlifetime = $config['session_timeout'];
	}
 
	$CutoffTime = time() - $maxlifetime;
	        
	$retval = db_process_sql("DELETE FROM tsessions_php 
			WHERE last_active < $CutoffTime");         
	return $retval;
}

$resultado_handler = session_set_save_handler ('mysql_session_open', 'mysql_session_close', 'mysql_session_read', 'mysql_session_write', 'mysql_session_destroy', 'mysql_session_gc'); 

?>