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Start filesize refactoring.

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This commit is contained in:
Lars Jung 2015-05-20 18:41:48 +02:00
parent 9fde25fc8e
commit 6c9d480736
2 changed files with 106 additions and 38 deletions
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98
src/_h5ai/private/php/core/class-filesize.php Normal file
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@ -0,0 +1,98 @@
<?php
class Filesize {
private $cache = [];
public function __construct() {
}
public function fseek($path) {
$size = 0;
$step = 1073741824;
$handle = fopen($path, 'r');
fseek($handle, 0, SEEK_SET);
while ($step > 1) {
if (fseek($handle, $step, SEEK_CUR) === 0) {
$size += $step;
} else {
fseek($handle, -$step, SEEK_CUR);
$step = intval($step / 2, 10);
}
}
while (fgetc($handle) !== false) {
$size += 1;
}
fclose($handle);
return $size;
}
public function filesize($path) {
return @filesize($path);
}
private function read_dir($path) {
$paths = [];
if (is_dir($path)) {
foreach (scandir($path) as $name) {
if ($name !== '.' && $name !== '..') {
$paths[] = $path . '/' . $name;
}
}
}
return $paths;
}
private function exec($cmdv) {
$cmd = implode(' ', array_map('escapeshellarg', $cmdv));
$lines = [];
$rc = null;
exec($cmd, $lines, $rc);
return $lines;
}
public function du_paths($paths) {
$cmdv = array_merge(['du', '-sk'], $paths);
$lines = $this->exec($cmdv);
$sizes = [];
foreach ($lines as $line) {
$parts = preg_split('/[\s]+/', $line, 2);
$size = intval($parts[0], 10) * 1024;
$path = $parts[1];
$sizes[$path] = $size;
}
return $sizes;
}
public function du_dir($path) {
return $this->du_paths($this->read_dir($path));
}
public function du_path($path) {
$sizes = $this->du_paths([$path]);
return $sizes[$path];
}
public function add($path) {
$size = 0;
foreach ($this->read_dir($path) as $p) {
$size += $this->filesize($p);
}
return $size;
}
}

46
src/_h5ai/private/php/core/class-util.php
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@ -99,51 +99,21 @@ class Util {
if (array_key_exists($path, Util::$size_cache)) {
return Util::$size_cache[$path];
}
$fs = new Filesize();
$size = null;
if (is_file($path)) {
if (PHP_INT_SIZE < 8) {
$_handle = fopen($path, 'r');
$_pos = 0;
$_size = 1073741824;
fseek($_handle, 0, SEEK_SET);
while ($_size > 1) {
fseek($_handle, $_size, SEEK_CUR);
if (fgetc($_handle) === false) {
fseek($_handle, -$_size, SEEK_CUR);
$_size = (int)($_size / 2);
} else {
fseek($_handle, -1, SEEK_CUR);
$_pos += $_size;
}
}
while (fgetc($_handle) !== false) {
$_pos++;
}
fclose($_handle);
$size = $_pos;
$size = $fs->fseek($path);
} else {
$size = @filesize($path);
$size = $fs->filesize($path);
}
} else if (is_dir($path)) {
if ($context->query_option('foldersize.enabled', false)) {
if ($context->get_setup()->get('HAS_CMD_DU') && $context->query_option('foldersize.type', null) === 'shell-du') {
$cmdv = ['du', '-sk', $path];
$size = intval(preg_replace('#\s.*$#', '', Util::exec_cmdv($cmdv)), 10) * 1024;
} else {
$size = 0;
foreach ($context->read_dir($path) as $name) {
$size += Util::filesize($context, $path . '/' . $name);
}
}
} else if (is_dir($path) && $context->query_option('foldersize.enabled', false)) {
if ($context->get_setup()->get('HAS_CMD_DU') && $context->query_option('foldersize.type', null) === 'shell-du') {
$size = $fs->du_path($path);
} else {
$size = $fs->add($path);
}
}