maintenance/getLagTimes.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 require_once( "Maintenance.php" );
   8
   9 class GetLagTimes extends Maintenance {
  10         public function __construct() {
  11                 parent::__construct();
  12                 $this->mDescription = "Dump replication lag times";
  13         }
  14
  15         public function execute() {
  16                 $lb = wfGetLB();
  17
  18                 if( $lb->getServerCount() == 1 ) {
  19                         $this->error( "This script dumps replication lag times, but you don't seem to have\n"
  20                                                   . "a multi-host db server configuration.\n" );
  21                 } else {
  22                         $lags = $lb->getLagTimes();
  23                         foreach( $lags as $n => $lag ) {
  24                                 $host = $lb->getServerName( $n );
  25                                 if( IP::isValid( $host ) ) {
  26                                         $ip = $host;
  27                                         $host = gethostbyaddr( $host );
  28                                 } else {
  29                                         $ip = gethostbyname( $host );
  30                                 }
  31                                 $starLen = min( intval( $lag ), 40 );
  32                                 $stars = str_repeat( '*', $starLen );
  33                                 $this->output( sprintf( "%10s %20s %3d %s\n", $ip, $host, $lag, $stars ) );
  34                         }
  35                 }
  36         }
  37 }
  38
  39 $maintClass = "GetLagTimes";
  40 require_once( DO_MAINTENANCE );