159 lines
3.7 KiB
PHP
159 lines
3.7 KiB
PHP
<?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\Process;
|
|
|
|
/**
|
|
* UnixPipes implementation uses unix pipes as handles.
|
|
*
|
|
* @author Romain Neutron <imprec@gmail.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
class UnixPipes extends AbstractPipes
|
|
{
|
|
/** @var bool */
|
|
private $ttyMode;
|
|
/** @var bool */
|
|
private $ptyMode;
|
|
/** @var bool */
|
|
private $disableOutput;
|
|
|
|
public function __construct($ttyMode, $ptyMode, $input, $disableOutput)
|
|
{
|
|
$this->ttyMode = (bool) $ttyMode;
|
|
$this->ptyMode = (bool) $ptyMode;
|
|
$this->disableOutput = (bool) $disableOutput;
|
|
|
|
parent::__construct($input);
|
|
}
|
|
|
|
public function __destruct()
|
|
{
|
|
$this->close();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getDescriptors()
|
|
{
|
|
if ($this->disableOutput) {
|
|
$nullstream = fopen('/dev/null', 'c');
|
|
|
|
return array(
|
|
array('pipe', 'r'),
|
|
$nullstream,
|
|
$nullstream,
|
|
);
|
|
}
|
|
|
|
if ($this->ttyMode) {
|
|
return array(
|
|
array('file', '/dev/tty', 'r'),
|
|
array('file', '/dev/tty', 'w'),
|
|
array('file', '/dev/tty', 'w'),
|
|
);
|
|
}
|
|
|
|
if ($this->ptyMode && Process::isPtySupported()) {
|
|
return array(
|
|
array('pty'),
|
|
array('pty'),
|
|
array('pty'),
|
|
);
|
|
}
|
|
|
|
return array(
|
|
array('pipe', 'r'),
|
|
array('pipe', 'w'), // stdout
|
|
array('pipe', 'w'), // stderr
|
|
);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getFiles()
|
|
{
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function readAndWrite($blocking, $close = false)
|
|
{
|
|
$this->unblock();
|
|
$w = $this->write();
|
|
|
|
$read = $e = array();
|
|
$r = $this->pipes;
|
|
unset($r[0]);
|
|
|
|
// let's have a look if something changed in streams
|
|
if (($r || $w) && false === $n = @stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1E6 : 0)) {
|
|
// if a system call has been interrupted, forget about it, let's try again
|
|
// otherwise, an error occurred, let's reset pipes
|
|
if (!$this->hasSystemCallBeenInterrupted()) {
|
|
$this->pipes = array();
|
|
}
|
|
|
|
return $read;
|
|
}
|
|
|
|
foreach ($r as $pipe) {
|
|
// prior PHP 5.4 the array passed to stream_select is modified and
|
|
// lose key association, we have to find back the key
|
|
$read[$type = array_search($pipe, $this->pipes, true)] = '';
|
|
|
|
do {
|
|
$data = fread($pipe, self::CHUNK_SIZE);
|
|
$read[$type] .= $data;
|
|
} while (isset($data[0]));
|
|
|
|
if (!isset($read[$type][0])) {
|
|
unset($read[$type]);
|
|
}
|
|
|
|
if ($close && feof($pipe)) {
|
|
fclose($pipe);
|
|
unset($this->pipes[$type]);
|
|
}
|
|
}
|
|
|
|
return $read;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function areOpen()
|
|
{
|
|
return (bool) $this->pipes;
|
|
}
|
|
|
|
/**
|
|
* Creates a new UnixPipes instance.
|
|
*
|
|
* @param Process $process
|
|
* @param string|resource $input
|
|
*
|
|
* @return UnixPipes
|
|
*/
|
|
public static function create(Process $process, $input)
|
|
{
|
|
return new static($process->isTty(), $process->isPty(), $input, $process->isOutputDisabled());
|
|
}
|
|
}
|