<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\HttpKernel\Profiler;

/**

 * A ProfilerStorage for Mysql

 *

 * @author Jan Schumann <js@schumann-it.com>

 */

class MysqlProfilerStorage extends PdoProfilerStorage

{

    /**

     * {@inheritdoc}

     */

    protected function initDb()

    {

        if (null === $this->db) {

            if ('mysql' !== substr($this->dsn, 0, 5)) {

                throw new \RuntimeException('Please check your configuration. You are trying to use Mysql with a wrong dsn. "'.$this->dsn.'"');

            }

            if (!class_exists('PDO') || !in_array('mysql', \PDO::getAvailableDrivers(), true)) {

                throw new \RuntimeException('You need to enable PDO_Mysql extension for the profiler to run properly.');

            }

            $db = new \PDO($this->dsn, $this->username, $this->password);

            $db->exec('CREATE TABLE IF NOT EXISTS sf_profiler_data (token VARCHAR(255) PRIMARY KEY, data LONGTEXT, ip VARCHAR(64), url VARCHAR(255), time INTEGER UNSIGNED, parent VARCHAR(255), created_at INTEGER UNSIGNED, KEY (created_at), KEY (ip), KEY (url), KEY (parent))');

            $this->db = $db;

        }

        return $this->db;

    }

    /**

     * {@inheritdoc}

     */

    protected function buildCriteria($ip, $url, $limit)

    {

        $criteria = array();

        $args = array();

        if ($ip = preg_replace('/[^\d\.]/', '', $ip)) {

            $criteria[] = 'ip LIKE :ip';

            $args[':ip'] = '%'.$ip.'%';

        }

        if ($url) {

            $criteria[] = 'url LIKE :url';

            $args[':url'] = '%'.addcslashes($url, '%_\\').'%';

        }

        return array($criteria, $args);

    }

}