diff options
Diffstat (limited to 'library/symfony/process/Pipes/WindowsPipes.php')
| -rw-r--r-- | library/symfony/process/Pipes/WindowsPipes.php | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/library/symfony/process/Pipes/WindowsPipes.php b/library/symfony/process/Pipes/WindowsPipes.php deleted file mode 100644 index 1472f8c6c..000000000 --- a/library/symfony/process/Pipes/WindowsPipes.php +++ /dev/null @@ -1,253 +0,0 @@ -<?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; -use Symfony\Component\Process\Exception\RuntimeException; - -/** - * 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 -{ - /** @var array */ - private $files = array(); - /** @var array */ - private $fileHandles = array(); - /** @var array */ - private $readBytes = array( - Process::STDOUT => 0, - Process::STDERR => 0, - ); - /** @var bool */ - private $disableOutput; - - public function __construct($disableOutput, $input) - { - $this->disableOutput = (bool) $disableOutput; - - if (!$this->disableOutput) { - // 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 - $this->files = array( - Process::STDOUT => tempnam(sys_get_temp_dir(), 'out_sf_proc'), - Process::STDERR => tempnam(sys_get_temp_dir(), 'err_sf_proc'), - ); - foreach ($this->files as $offset => $file) { - if (false === $file || false === $this->fileHandles[$offset] = fopen($file, 'rb')) { - throw new RuntimeException('A temporary file could not be opened to write the process output to, verify that your TEMP environment variable is writable'); - } - } - } - - if (is_resource($input)) { - $this->input = $input; - } else { - $this->inputBuffer = $input; - } - } - - public function __destruct() - { - $this->close(); - $this->removeFiles(); - } - - /** - * {@inheritdoc} - */ - public function getDescriptors() - { - if ($this->disableOutput) { - $nullstream = fopen('NUL', 'c'); - - return array( - array('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 array( - array('pipe', 'r'), - array('file', 'NUL', 'w'), - array('file', 'NUL', 'w'), - ); - } - - /** - * {@inheritdoc} - */ - public function getFiles() - { - return $this->files; - } - - /** - * {@inheritdoc} - */ - public function readAndWrite($blocking, $close = false) - { - $this->write($blocking, $close); - - $read = array(); - $fh = $this->fileHandles; - foreach ($fh as $type => $fileHandle) { - if (0 !== fseek($fileHandle, $this->readBytes[$type])) { - continue; - } - $data = ''; - $dataread = null; - while (!feof($fileHandle)) { - if (false !== $dataread = fread($fileHandle, self::CHUNK_SIZE)) { - $data .= $dataread; - } - } - if (0 < $length = strlen($data)) { - $this->readBytes[$type] += $length; - $read[$type] = $data; - } - - if (false === $dataread || (true === $close && feof($fileHandle) && '' === $data)) { - fclose($this->fileHandles[$type]); - unset($this->fileHandles[$type]); - } - } - - return $read; - } - - /** - * {@inheritdoc} - */ - public function areOpen() - { - return (bool) $this->pipes && (bool) $this->fileHandles; - } - - /** - * {@inheritdoc} - */ - public function close() - { - parent::close(); - foreach ($this->fileHandles as $handle) { - fclose($handle); - } - $this->fileHandles = array(); - } - - /** - * Creates a new WindowsPipes instance. - * - * @param Process $process The process - * @param $input - * - * @return WindowsPipes - */ - public static function create(Process $process, $input) - { - return new static($process->isOutputDisabled(), $input); - } - - /** - * Removes temporary files. - */ - private function removeFiles() - { - foreach ($this->files as $filename) { - if (file_exists($filename)) { - @unlink($filename); - } - } - $this->files = array(); - } - - /** - * Writes input to stdin. - * - * @param bool $blocking - * @param bool $close - */ - private function write($blocking, $close) - { - if (empty($this->pipes)) { - return; - } - - $this->unblock(); - - $r = null !== $this->input ? array('input' => $this->input) : null; - $w = isset($this->pipes[0]) ? array($this->pipes[0]) : null; - $e = null; - - // let's have a look if something changed in streams - if (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; - } - - // nothing has changed - if (0 === $n) { - return; - } - - if (null !== $w && 0 < count($r)) { - $data = ''; - while ($dataread = fread($r['input'], self::CHUNK_SIZE)) { - $data .= $dataread; - } - - $this->inputBuffer .= $data; - - if (false === $data || (true === $close && feof($r['input']) && '' === $data)) { - // no more data to read on input resource - // use an empty buffer in the next reads - $this->input = null; - } - } - - if (null !== $w && 0 < count($w)) { - while (strlen($this->inputBuffer)) { - $written = fwrite($w[0], $this->inputBuffer, 2 << 18); - if ($written > 0) { - $this->inputBuffer = (string) substr($this->inputBuffer, $written); - } else { - break; - } - } - } - - // no input to read on resource, buffer is empty and stdin still open - if ('' === $this->inputBuffer && null === $this->input && isset($this->pipes[0])) { - fclose($this->pipes[0]); - unset($this->pipes[0]); - } - } -} |