File indexing completed on 2024-05-19 04:41:07

 <?php
 
 /// prints usage, doesn't exit
 function usage() {
     echo "php ./stresstest.php --dir DIRECTORY\n".
          "\n".
          "  DIRECTORY       the directory in which this script\n".
          "                  should randomly touch and move files.\n".
          "\n".
          "Be warned for I will eat thy kittens\n";
 }
 
 if ( in_array('--help', $_SERVER['argv']) ) {
     usage();
     exit(0);
 }
 
 $i = array_search('--dir', $_SERVER['argv']);
 $dir = $i > -1 && $i < $_SERVER['argc'] - 1 ? $_SERVER['argv'][$i+1] : '';
 
 if ( empty($dir) ) {
     usage();
     exit(1);
 }
 
 chdir($dir) or die("cannot go to folder $dir\n");
 
 /// our data class with parent pointer so we can safely rename folders
 /// and still get proper paths for the children afterwards
 class Entry {
     public $p = null;
     public $name;
     /// @return path (including file- / dirname) to this entry
     public function getPath() {
         if (!is_null($this->p)) {
             return $this->p->getPath() . '/' . $this->name;
         } else {
             return $this->name;
         }
     }
 }
 
 $dirIt = new RecursiveIteratorIterator(
   new RecursiveDirectoryIterator('.', RecursiveDirectoryIterator::CURRENT_AS_SELF),
   RecursiveIteratorIterator::SELF_FIRST
 );
 
 /// we'll grep random entries out of this array
 $entries = array();
 
 /// tmp pointers to dir entries
 /// [dir => &Entry]
 $tmpAssoc = array();
 
 $i = 0;
 foreach($dirIt as $file) {
     if ( $file->isDot() ) {
         continue;
     }
     $entries[$i] = new Entry;
     $entries[$i]->name = $file->getFilename();
     $path = $file->getPath();
 
     // skip .kdev4 folder or files
     if (strpos($path, 'kdev4') != -1) {
         continue;
     }
 
     if ($path != './') {
         $entries[$i]->p = &$tmpAssoc[$path];
     }
     if ($file->isDir()) {
         $tmpAssoc[$file->getPathname()] = &$entries[$i];
     }
     ++$i;
 }
 
 unset($tmpAssoc);
 
 printf("Will move %s files randomly around in %s, do you REALLY want to continue?\n".
        "Type the following if you want to continue: SPARTAAAA ", count($entries), $dir);
 $ret = fgets(STDIN, 10);
 
 if (trim($ret) != 'SPARTAAAA') {
     echo "bummer, won't do anything, bye\n";
     exit(2);
 }
 
 // microseconds to sleep after move
 $sleepTime = 250;
 
 // number of moves until we stop
 $moves = 10000;
 
 $moved = 0;
 for($moved = 0; $moved < $moves; ++$moved) {
     // get random file to move
     $index = array_rand($entries, 1);
     $entry =& $entries[$index];
     $oldPath = $entry->getPath();
     $newName = $entry->name;
     $lastDot = strrpos($newName, '.');
     if ($lastDot == -1 || $lastDot == 0) {
         $lastDot = strlen($newName);
     } else {
         --$lastDot;
     }
     $newName = substr_replace($newName, rand(), rand() % $lastDot, rand() % $lastDot);
     $entry->name = $newName;
     $newPath = $entry->getPath();
     printf("moving $oldPath to $newPath\n");
     rename($oldPath, $newPath);
     usleep($sleepTime);
 }