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2019-09-06 23:53:10 +08:00
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thinkphp/library/think/process/pipes/Windows.php Executable file
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\process\pipes;
use think\Process;
class Windows extends Pipes
{
/** @var array */
private $files = [];
/** @var array */
private $fileHandles = [];
/** @var array */
private $readBytes = [
Process::STDOUT => 0,
Process::STDERR => 0,
];
/** @var bool */
private $disableOutput;
public function __construct($disableOutput, $input)
{
$this->disableOutput = (bool) $disableOutput;
if (!$this->disableOutput) {
$this->files = [
Process::STDOUT => tempnam(sys_get_temp_dir(), 'sf_proc_stdout'),
Process::STDERR => tempnam(sys_get_temp_dir(), 'sf_proc_stderr'),
];
foreach ($this->files as $offset => $file) {
$this->fileHandles[$offset] = fopen($this->files[$offset], 'rb');
if (false === $this->fileHandles[$offset]) {
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 [
['pipe', 'r'],
$nullstream,
$nullstream,
];
}
return [
['pipe', 'r'],
['file', 'NUL', 'w'],
['file', 'NUL', 'w'],
];
}
/**
* {@inheritdoc}
*/
public function getFiles()
{
return $this->files;
}
/**
* {@inheritdoc}
*/
public function readAndWrite($blocking, $close = false)
{
$this->write($blocking, $close);
$read = [];
$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 = [];
}
/**
* 创建一个新的 WindowsPipes 实例。
* @param Process $process
* @param $input
* @return self
*/
public static function create(Process $process, $input)
{
return new static($process->isOutputDisabled(), $input);
}
/**
* 删除临时文件
*/
private function removeFiles()
{
foreach ($this->files as $filename) {
if (file_exists($filename)) {
@unlink($filename);
}
}
$this->files = [];
}
/**
* 写入到 stdin 输入
* @param bool $blocking
* @param bool $close
*/
private function write($blocking, $close)
{
if (empty($this->pipes)) {
return;
}
$this->unblock();
$r = null !== $this->input ? ['input' => $this->input] : null;
$w = isset($this->pipes[0]) ? [$this->pipes[0]] : null;
$e = null;
if (false === $n = @stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1E6 : 0)) {
if (!$this->hasSystemCallBeenInterrupted()) {
$this->pipes = [];
}
return;
}
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)) {
$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;
}
}
}
if ('' === $this->inputBuffer && null === $this->input && isset($this->pipes[0])) {
fclose($this->pipes[0]);
unset($this->pipes[0]);
}
}
}