maintenance/mcc.php

   1 <?php
   2 /**
   3  * memcached diagnostic tool
   4  *
   5  * @todo document
   6  * @addtogroup Maintenance
   7  */
   8
   9 /** */
  10 require_once( 'commandLine.inc' );
  11
  12 $mcc = new memcached( array('persistant' => true/*, 'debug' => true*/) );
  13 $mcc->set_servers( $wgMemCachedServers );
  14 #$mcc->set_debug( true );
  15
  16 function mccShowHelp($command) {
  17
  18         if(! $command ) { $command = 'fullhelp'; }
  19         $onlyone = true;
  20
  21         switch ( $command ) {
  22
  23                 case 'fullhelp':
  24                         // will show help for all commands
  25                         $onlyone = false;
  26
  27                 case 'get':
  28                         print "get: grabs something\n";
  29                 if($onlyone) { break; }
  30
  31                 case 'getsock':
  32                         print "getsock: lists sockets\n";
  33                 if($onlyone) { break; }
  34
  35                 case 'set':
  36                         print "set: changes something\n";
  37                 if($onlyone) { break; }
  38
  39                 case 'delete':
  40                         print "delete: deletes something\n";
  41                 if($onlyone) { break; }
  42
  43                 case 'history':
  44                         print "history: show command line history\n";
  45                 if($onlyone) { break; }
  46
  47                 case 'server':
  48                         print "server: show current memcached server\n";
  49                 if($onlyone) { break; }
  50
  51                 case 'dumpmcc':
  52                         print "dumpmcc: shows the whole thing\n";
  53                 if($onlyone) { break; }
  54
  55                 case 'exit':
  56                 case 'quit':
  57                         print "exit or quit: exit mcc\n";
  58                 if($onlyone) { break; }
  59
  60                 case 'help':
  61                         print "help: help about a command\n";
  62                 if($onlyone) { break; }
  63
  64                 default:
  65                         if($onlyone) {
  66                                 print "$command: command does not exist or no help for it\n";
  67                         }
  68         }
  69 }
  70
  71 do {
  72         $bad = false;
  73         $showhelp = false;
  74         $quit = false;
  75
  76         $line = readconsole( '> ' );
  77         if ($line === false) exit;
  78
  79         $args = explode( ' ', $line );
  80         $command = array_shift( $args );
  81
  82         // process command
  83         switch ( $command ) {
  84                 case 'help':
  85                         // show an help message
  86                         mccShowHelp(array_shift($args));
  87                 break;
  88
  89                 case 'get':
  90                         print "Getting {$args[0]}[{$args[1]}]\n";
  91                         $res = $mcc->get( $args[0] );
  92                         if ( array_key_exists( 1, $args ) ) {
  93                                 $res = $res[$args[1]];
  94                         }
  95                         if ( $res === false ) {
  96                                 #print 'Error: ' . $mcc->error_string() . "\n";
  97                                 print "MemCached error\n";
  98                         } elseif ( is_string( $res ) ) {
  99                                 print "$res\n";
 100                         } else {
 101                                 var_dump( $res );
 102                         }
 103                 break;
 104
 105                 case 'getsock':
 106                         $res = $mcc->get( $args[0] );
 107                         $sock = $mcc->get_sock( $args[0] );
 108                         var_dump( $sock );
 109                         break;
 110
 111                 case 'server':
 112                         $res = $mcc->get( $args[0] );
 113                         $hv = $mcc->_hashfunc( $args[0] );
 114                         for ( $i = 0; $i < 3; $i++ ) {
 115                                 print $mcc->_buckets[$hv % $mcc->_bucketcount] . "\n";
 116                                 $hv += $mcc->_hashfunc( $i . $args[0] );
 117                         }
 118                         break;
 119
 120                 case 'set':
 121                         $key = array_shift( $args );
 122                         if ( $args[0] == "#" && is_numeric( $args[1] ) ) {
 123                                 $value = str_repeat( '*', $args[1] );
 124                         } else {
 125                                 $value = implode( ' ', $args );
 126                         }
 127                         if ( !$mcc->set( $key, $value, 0 ) ) {
 128                                 #print 'Error: ' . $mcc->error_string() . "\n";
 129                                 print "MemCached error\n";
 130                         }
 131                         break;
 132
 133                 case 'delete':
 134                         $key = implode( ' ', $args );
 135                         if ( !$mcc->delete( $key ) ) {
 136                                 #print 'Error: ' . $mcc->error_string() . "\n";
 137                                 print "MemCached error\n";
 138                         }
 139                         break;
 140
 141                 case 'history':
 142                         if ( function_exists( 'readline_list_history' ) ) {
 143                                 foreach( readline_list_history() as $num => $line) {
 144                                         print "$num: $line\n";
 145                                 }
 146                         } else {
 147                                 print "readline_list_history() not available\n";
 148                         }
 149                         break;
 150
 151                 case 'dumpmcc':
 152                         var_dump( $mcc );
 153                         break;
 154
 155                 case 'quit':
 156                 case 'exit':
 157                         $quit = true;
 158                         break;
 159
 160                 default:
 161                         $bad = true;
 162         } // switch() end
 163
 164         if ( $bad ) {
 165                 if ( $command ) {
 166                         print "Bad command\n";
 167                 }
 168         } else {
 169                 if ( function_exists( 'readline_add_history' ) ) {
 170                         readline_add_history( $line );
 171                 }
 172         }
 173 } while ( !$quit );
 174
 175