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<?php
/**
* Display replication lag times.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that displays replication lag times.
*
* @ingroup Maintenance
*/
class GetLagTimes extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Dump replication lag times";
}
public function execute() {
$lb = wfGetLB();
if ( $lb->getServerCount() == 1 ) {
$this->error( "This script dumps replication lag times, but you don't seem to have\n"
. "a multi-host db server configuration." );
} else {
$lags = $lb->getLagTimes();
foreach ( $lags as $n => $lag ) {
$host = $lb->getServerName( $n );
if ( IP::isValid( $host ) ) {
$ip = $host;
$host = gethostbyaddr( $host );
} else {
$ip = gethostbyname( $host );
}
$starLen = min( intval( $lag ), 40 );
$stars = str_repeat( '*', $starLen );
$this->output( sprintf( "%10s %20s %3d %s\n", $ip, $host, $lag, $stars ) );
}
}
}
}
$maintClass = "GetLagTimes";
require_once RUN_MAINTENANCE_IF_MAIN;
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