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<?php |
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// +---------------------------------------------------------------------- |
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// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
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// +---------------------------------------------------------------------- |
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// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved. |
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// +---------------------------------------------------------------------- |
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
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// +---------------------------------------------------------------------- |
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// | Author: yunwuxin <[email protected]> |
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// +---------------------------------------------------------------------- |
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namespace think\process\pipes; |
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use think\Process; |
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class Unix extends Pipes |
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{ |
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/** @var bool */ |
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private $ttyMode; |
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/** @var bool */ |
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private $ptyMode; |
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/** @var bool */ |
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private $disableOutput; |
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public function __construct($ttyMode, $ptyMode, $input, $disableOutput) |
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{ |
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$this->ttyMode = (bool) $ttyMode; |
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$this->ptyMode = (bool) $ptyMode; |
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$this->disableOutput = (bool) $disableOutput; |
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if (is_resource($input)) { |
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$this->input = $input; |
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} else { |
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$this->inputBuffer = (string) $input; |
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} |
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} |
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public function __destruct() |
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{ |
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$this->close(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDescriptors() |
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{ |
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if ($this->disableOutput) { |
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$nullstream = fopen('/dev/null', 'c'); |
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return [ |
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['pipe', 'r'], |
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$nullstream, |
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$nullstream, |
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]; |
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} |
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if ($this->ttyMode) { |
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return [ |
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['file', '/dev/tty', 'r'], |
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['file', '/dev/tty', 'w'], |
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['file', '/dev/tty', 'w'], |
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]; |
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} |
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if ($this->ptyMode && Process::isPtySupported()) { |
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return [ |
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['pty'], |
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['pty'], |
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['pty'], |
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]; |
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} |
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return [ |
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['pipe', 'r'], |
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['pipe', 'w'], // stdout |
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['pipe', 'w'], // stderr |
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]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFiles() |
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{ |
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return []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function readAndWrite($blocking, $close = false) |
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{ |
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if (1 === count($this->pipes) && [0] === array_keys($this->pipes)) { |
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fclose($this->pipes[0]); |
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unset($this->pipes[0]); |
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} |
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if (empty($this->pipes)) { |
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return []; |
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} |
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$this->unblock(); |
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$read = []; |
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if (null !== $this->input) { |
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$r = array_merge($this->pipes, ['input' => $this->input]); |
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} else { |
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$r = $this->pipes; |
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} |
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unset($r[0]); |
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$w = isset($this->pipes[0]) ? [$this->pipes[0]] : null; |
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$e = null; |
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if (false === $n = @stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1E6 : 0)) { |
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if (!$this->hasSystemCallBeenInterrupted()) { |
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$this->pipes = []; |
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} |
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return $read; |
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} |
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if (0 === $n) { |
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return $read; |
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} |
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foreach ($r as $pipe) { |
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$type = (false !== $found = array_search($pipe, $this->pipes)) ? $found : 'input'; |
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$data = ''; |
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while ('' !== $dataread = (string) fread($pipe, self::CHUNK_SIZE)) { |
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$data .= $dataread; |
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} |
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if ('' !== $data) { |
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if ('input' === $type) { |
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$this->inputBuffer .= $data; |
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} else { |
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$read[$type] = $data; |
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} |
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} |
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if (false === $data || (true === $close && feof($pipe) && '' === $data)) { |
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if ('input' === $type) { |
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$this->input = null; |
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} else { |
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fclose($this->pipes[$type]); |
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unset($this->pipes[$type]); |
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} |
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} |
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} |
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if (null !== $w && 0 < count($w)) { |
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while (strlen($this->inputBuffer)) { |
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$written = fwrite($w[0], $this->inputBuffer, 2 << 18); // write 512k |
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if ($written > 0) { |
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$this->inputBuffer = (string) substr($this->inputBuffer, $written); |
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} else { |
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break; |
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} |
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} |
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} |
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if ('' === $this->inputBuffer && null === $this->input && isset($this->pipes[0])) { |
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fclose($this->pipes[0]); |
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unset($this->pipes[0]); |
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} |
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return $read; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function areOpen() |
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{ |
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return (bool) $this->pipes; |
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} |
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/** |
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* 创建一个新的 UnixPipes 实例 |
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* @param Process $process |
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* @param string|resource $input |
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* @return self |
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*/ |
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public static function create(Process $process, $input) |
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{ |
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return new static($process->isTty(), $process->isPty(), $input, $process->isOutputDisabled()); |
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} |
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} |
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