first commit
This commit is contained in:
root
191
vendor/symfony/process/Pipes/WindowsPipes.php
vendored
Normal file
191
vendor/symfony/process/Pipes/WindowsPipes.php
vendored
Normal file
@@ -0,0 +1,191 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\Process\Pipes;
|
||||
|
||||
use Symfony\Component\Process\Exception\RuntimeException;
|
||||
use Symfony\Component\Process\Process;
|
||||
|
||||
/**
|
||||
* WindowsPipes implementation uses temporary files as handles.
|
||||
*
|
||||
* @see https://bugs.php.net/bug.php?id=51800
|
||||
* @see https://bugs.php.net/bug.php?id=65650
|
||||
*
|
||||
* @author Romain Neutron <imprec@gmail.com>
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
class WindowsPipes extends AbstractPipes
|
||||
{
|
||||
private $files = [];
|
||||
private $fileHandles = [];
|
||||
private $lockHandles = [];
|
||||
private $readBytes = [
|
||||
Process::STDOUT => 0,
|
||||
Process::STDERR => 0,
|
||||
];
|
||||
private $haveReadSupport;
|
||||
|
||||
public function __construct($input, bool $haveReadSupport)
|
||||
{
|
||||
$this->haveReadSupport = $haveReadSupport;
|
||||
|
||||
if ($this->haveReadSupport) {
|
||||
// Fix for PHP bug #51800: reading from STDOUT pipe hangs forever on Windows if the output is too big.
|
||||
// Workaround for this problem is to use temporary files instead of pipes on Windows platform.
|
||||
//
|
||||
// @see https://bugs.php.net/bug.php?id=51800
|
||||
$pipes = [
|
||||
Process::STDOUT => Process::OUT,
|
||||
Process::STDERR => Process::ERR,
|
||||
];
|
||||
$tmpDir = sys_get_temp_dir();
|
||||
$lastError = 'unknown reason';
|
||||
set_error_handler(function ($type, $msg) use (&$lastError) { $lastError = $msg; });
|
||||
for ($i = 0;; ++$i) {
|
||||
foreach ($pipes as $pipe => $name) {
|
||||
$file = sprintf('%s\\sf_proc_%02X.%s', $tmpDir, $i, $name);
|
||||
|
||||
if (!$h = fopen($file.'.lock', 'w')) {
|
||||
restore_error_handler();
|
||||
throw new RuntimeException(sprintf('A temporary file could not be opened to write the process output: %s', $lastError));
|
||||
}
|
||||
if (!flock($h, LOCK_EX | LOCK_NB)) {
|
||||
continue 2;
|
||||
}
|
||||
if (isset($this->lockHandles[$pipe])) {
|
||||
flock($this->lockHandles[$pipe], LOCK_UN);
|
||||
fclose($this->lockHandles[$pipe]);
|
||||
}
|
||||
$this->lockHandles[$pipe] = $h;
|
||||
|
||||
if (!fclose(fopen($file, 'w')) || !$h = fopen($file, 'r')) {
|
||||
flock($this->lockHandles[$pipe], LOCK_UN);
|
||||
fclose($this->lockHandles[$pipe]);
|
||||
unset($this->lockHandles[$pipe]);
|
||||
continue 2;
|
||||
}
|
||||
$this->fileHandles[$pipe] = $h;
|
||||
$this->files[$pipe] = $file;
|
||||
}
|
||||
break;
|
||||
}
|
||||
restore_error_handler();
|
||||
}
|
||||
|
||||
parent::__construct($input);
|
||||
}
|
||||
|
||||
public function __destruct()
|
||||
{
|
||||
$this->close();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function getDescriptors()
|
||||
{
|
||||
if (!$this->haveReadSupport) {
|
||||
$nullstream = fopen('NUL', 'c');
|
||||
|
||||
return [
|
||||
['pipe', 'r'],
|
||||
$nullstream,
|
||||
$nullstream,
|
||||
];
|
||||
}
|
||||
|
||||
// We're not using pipe on Windows platform as it hangs (https://bugs.php.net/bug.php?id=51800)
|
||||
// We're not using file handles as it can produce corrupted output https://bugs.php.net/bug.php?id=65650
|
||||
// So we redirect output within the commandline and pass the nul device to the process
|
||||
return [
|
||||
['pipe', 'r'],
|
||||
['file', 'NUL', 'w'],
|
||||
['file', 'NUL', 'w'],
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function getFiles()
|
||||
{
|
||||
return $this->files;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function readAndWrite($blocking, $close = false)
|
||||
{
|
||||
$this->unblock();
|
||||
$w = $this->write();
|
||||
$read = $r = $e = [];
|
||||
|
||||
if ($blocking) {
|
||||
if ($w) {
|
||||
@stream_select($r, $w, $e, 0, Process::TIMEOUT_PRECISION * 1E6);
|
||||
} elseif ($this->fileHandles) {
|
||||
usleep(Process::TIMEOUT_PRECISION * 1E6);
|
||||
}
|
||||
}
|
||||
foreach ($this->fileHandles as $type => $fileHandle) {
|
||||
$data = stream_get_contents($fileHandle, -1, $this->readBytes[$type]);
|
||||
|
||||
if (isset($data[0])) {
|
||||
$this->readBytes[$type] += \strlen($data);
|
||||
$read[$type] = $data;
|
||||
}
|
||||
if ($close) {
|
||||
ftruncate($fileHandle, 0);
|
||||
fclose($fileHandle);
|
||||
flock($this->lockHandles[$type], LOCK_UN);
|
||||
fclose($this->lockHandles[$type]);
|
||||
unset($this->fileHandles[$type], $this->lockHandles[$type]);
|
||||
}
|
||||
}
|
||||
|
||||
return $read;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function haveReadSupport()
|
||||
{
|
||||
return $this->haveReadSupport;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function areOpen()
|
||||
{
|
||||
return $this->pipes && $this->fileHandles;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function close()
|
||||
{
|
||||
parent::close();
|
||||
foreach ($this->fileHandles as $type => $handle) {
|
||||
ftruncate($handle, 0);
|
||||
fclose($handle);
|
||||
flock($this->lockHandles[$type], LOCK_UN);
|
||||
fclose($this->lockHandles[$type]);
|
||||
}
|
||||
$this->fileHandles = $this->lockHandles = [];
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user