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<?php
/** Execute writes on master and reads on slave
* @link https://www.adminer.org/plugins/#use
* @author Jakub Vrana, http://www.vrana.cz/
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerMasterSlave {
private $masters = array();
/**
* @param array ($slave => $master)
*/
function __construct($masters) {
$this->masters = $masters;
}
function credentials() {
if ($_POST && isset($this->masters[SERVER])) {
return array($this->masters[SERVER], $_GET["username"], get_session("pwds"));
}
}
function login($login, $password) {
if (!$_POST && ($master = &$_SESSION["master"])) {
$connection = connection();
$connection->query("DO MASTER_POS_WAIT('" . q($master['File']) . "', $master[Position])");
$master = null;
}
}
function messageQuery($query, $time) {
//! doesn't work with sql.inc.php
$connection = connection();
$result = $connection->query('SHOW MASTER STATUS');
if ($result) {
restart_session();
$_SESSION["master"] = $result->fetch_assoc();
}
}
}
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