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<?php |
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/* |
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* Shell wrapper for package adhocore/php-cli. |
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* @author Sushil Gupta <[email protected]> |
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* @license MIT |
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*/ |
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namespace Ahc\Cli\Helper; |
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use Ahc\Cli\Exception\RuntimeException; |
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class Shell { |
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const STDIN_DESCRIPTOR_KEY = 0; |
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const STDOUT_DESCRIPTOR_KEY = 1; |
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const STDERR_DESCRIPTOR_KEY = 2; |
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protected $command; |
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protected $descriptors; |
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protected $input; |
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protected $pipes; |
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protected $process; |
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protected $startTime; |
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protected $status; |
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protected $timeout; |
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public function __construct(string $command, string $input = null, float $timeout = 10) |
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{ |
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if (!\function_exists('proc_open')) { |
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throw new RuntimeException('Required proc_open could not be found in your PHP setup'); |
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} |
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$this->command = $command; |
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$this->input = $input; |
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$this->timeout = $timeout; |
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$this->status = null; |
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} |
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private function getDescriptors() |
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{ |
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if ('\\' === \DIRECTORY_SEPARATOR) { |
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return array( |
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self::STDIN_DESCRIPTOR_KEY => array('pipe', 'r'), |
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self::STDOUT_DESCRIPTOR_KEY => array('file', 'NUL', 'w'), |
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self::STDERR_DESCRIPTOR_KEY => array('file', 'NUL', 'w'), |
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); |
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} else { |
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return array( |
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self::STDIN_DESCRIPTOR_KEY => array('pipe', 'r'), |
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self::STDOUT_DESCRIPTOR_KEY => array('pipe', 'w'), |
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self::STDERR_DESCRIPTOR_KEY => array('pipe', 'w'), |
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); |
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} |
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} |
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private function setInput() |
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{ |
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fwrite($this->pipes[self::STDIN_DESCRIPTOR_KEY], $this->input); |
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} |
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private function updateStatus() |
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{ |
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$this->status = proc_get_status($this->process); |
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return $this->status; |
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} |
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private function closePipes() |
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{ |
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fclose($this->pipes[self::STDIN_DESCRIPTOR_KEY]); |
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fclose($this->pipes[self::STDOUT_DESCRIPTOR_KEY]); |
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fclose($this->pipes[self::STDERR_DESCRIPTOR_KEY]); |
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} |
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public function execute() |
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{ |
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if ($this->isRunning()) { |
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throw new RuntimeException('Process is already running'); |
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} |
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$this->descriptors = $this->getDescriptors(); |
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$this->process = proc_open($this->command, $this->descriptors, $this->pipes); |
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if (!\is_resource($this->process)) { |
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throw new RuntimeException('Bad program could not be started.'); |
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} |
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$this->setInput(); |
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$this->updateStatus(); |
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$this->startTime = microtime(true); |
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} |
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public function getOutput() |
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{ |
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return stream_get_contents($this->pipes[self::STDOUT_DESCRIPTOR_KEY]); |
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} |
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public function getErrorOutput() |
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{ |
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return stream_get_contents($this->pipes[self::STDERR_DESCRIPTOR_KEY]); |
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} |
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public function getExitCode() |
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{ |
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return $this->status['exitcode']; |
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} |
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public function isRunning() |
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{ |
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if(!$this->status) { |
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return false; |
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} |
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$this->updateStatus(); |
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return $this->status['running']; |
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} |
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public function getProcessId() |
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{ |
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return $this->isRunning() ? $this->status['pid'] : null; |
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} |
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public function stop() |
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{ |
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if (!$this->isRunning()) { |
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return $this->getExitCode(); |
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} |
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$this->closePipes(); |
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if (\is_resource($this->process)) { |
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proc_close($this->process); |
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} |
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return $this->getExitCode(); |
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} |
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public function kill() |
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{ |
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return proc_terminate($this->process); |
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} |
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public function __destruct() |
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{ |
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$this->stop(); |
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} |
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} |
adhocore /
php-cli
