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Better cache tune

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This commit is contained in:
SeriousBuggie
2020-08-22 17:18:09 +03:00
committed by GitHub
parent d69c9c5158
commit 25a9b3a687
1 changed files with 18 additions and 47 deletions
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65
classes/DirectoryList.php
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@@ -27,9 +27,6 @@
if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX) die;
/**
* Maintains an array of all files and folders in a directory. Each entry is
* stored as a string (the filename).
@@ -39,7 +36,6 @@ if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX) die;
* @package AutoIndex
*/
class DirectoryList implements Iterator {
/**
* @var string The directory this object represents
*/
@@ -67,8 +63,6 @@ class DirectoryList implements Iterator {
public function current() {
if ($this->i < count($this->contents)) {
return $this->contents[$this->i];
}
return false;
}
@@ -82,7 +76,6 @@ class DirectoryList implements Iterator {
public function next() {
$this->i++;
return $this->current();
}
/**
@@ -90,7 +83,6 @@ class DirectoryList implements Iterator {
*/
public function rewind() {
$this->i = 0;
}
/**
@@ -98,15 +90,13 @@ class DirectoryList implements Iterator {
*/
public function valid() {
return ($this->i < count($this->contents));
}
/**
* @return int Returns $i, the key of the array
*/
public function key() {
return $this -> i;
return $this->i;
}
//end implementation of Iterator
@@ -114,14 +104,17 @@ class DirectoryList implements Iterator {
public function is_dir($item) {
if ($item == '..') return true;
if ($this->dirs === null) {
$dirs = $this->cache_file('dirs');
$dirs = $this->cache_file('dirs', false);
if ($dirs === null) {
$this->dirs = array();
$batch = array();
foreach ($this->contents as $name) {
if ($name == '..') continue;
if (@filetype($this->dir_name.$name) == 'dir') {
$this->dirs[$name] = true;
}
$batch[$name] = $this->dir_name.$name;
}
$batch = array_map('filetype', $batch);
foreach ($batch as $name => $type) {
if ($type == 'dir') $this->dirs[$name] = true;
}
$this->cache_file('dirs', implode("\n", array_keys($this->dirs)));
} else {
@@ -138,22 +131,18 @@ class DirectoryList implements Iterator {
$total_size = $this->cache_file('size');
if ($total_size === null) {
$total_size = 0;
$batch = array();
foreach ($this as $current) {
if ($current == '..') continue;
$t = $this -> dir_name . $current;
$t = $this->dir_name.$current;
if ($this->is_dir($current)) {
$temp = new DirectoryList($t);
$total_size += $temp -> size_recursive();
$total_size += $temp->size_recursive();
} else {
$total_size += @filesize($t);
$batch[] = $t;
}
}
$total_size += array_sum(array_map('filesize', $batch));
$this->cache_file('size', $total_size);
}
return doubleval($total_size);
@@ -164,10 +153,10 @@ class DirectoryList implements Iterator {
private function cache_file($prefix, $value = null) {
if ($this->dir_md5 === null) $this->dir_md5 = md5($this->dir_name);
$file = CACHE_STORAGE_DIR.'.ht_'.$this->dir_md5.'_'.$prefix;
if ($value === null) {
if ($value === null || $value === false) {
if (@file_exists($file)) {
$mtime = @filemtime($file);
if ($mtime > time() - 3600) {
if ($value === false || $mtime > time() - 24*3600) {
if ($this->dir_mtime === null) $this->dir_mtime = filemtime($this->dir_name);
if ($mtime >= $this->dir_mtime) {
return @file_get_contents($file);
@@ -186,22 +175,15 @@ class DirectoryList implements Iterator {
* @return int The total number of files in this directory (recursive)
*/
public function num_files() {
$count = $this->cache_file('count');
$count = $this->cache_file('count', false);
if ($count === null) {
$count = 0;
foreach ($this as $current) {
if ($current == '..') continue;
if ($this->is_dir($current)) {
$temp = new DirectoryList($this->dir_name.$current);
$count += $temp -> num_files();
$count += $temp->num_files();
} else {
$count++;
}
}
@@ -218,7 +200,6 @@ class DirectoryList implements Iterator {
public static function match_in_array($string, $array) {
$regex = array();
static $replace = array (
'\*' => '[^\/]*',
'\+' => '[^\/]+',
'\?' => '[^\/]?');
@@ -226,10 +207,6 @@ class DirectoryList implements Iterator {
$regex = '/^('.strtr(implode('|', $regex), $replace).')$/i';
if ($string === null) return $regex;
return preg_match($regex, Item::get_basename($string));
}
/**
@@ -265,23 +242,18 @@ class DirectoryList implements Iterator {
public function __get($var) {
if ($var == 'list_count') return count($this->contents);
if (isset($this -> $var)) {
return $this -> $var;
}
throw new ExceptionDisplay('Variable <em>'.Url::html_output($var).'</em> not set in DirectoryList class.');
}
/**
* @param string $path
*/
public function __construct($path) {
$path = Item::make_sure_slash($path);
if (!@is_dir($path)) {
throw new ExceptionDisplay('Directory <em>'.Url::html_output($path).'</em> does not exist.');
}
$temp_list = @scandir($path);
if ($temp_list === false) {
@@ -298,5 +270,4 @@ class DirectoryList implements Iterator {
$this->contents = $contents;
$this->i = 0;
}
}
}