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<?php namespace Bitrix\Scale; /** * Class ShellAdapter * Executes shell commands * @package Bitrix\Scale */ class ShellAdapter { const SUCCESS_RESULT = 0; protected $resOutput = ""; protected $resError = ""; /** * Checks and escapes command * @param string $command * @return string escapedSring * @throws \Bitrix\Main\ArgumentNullException */ protected function prepareExecution($command) { if($command == '') throw new \Bitrix\Main\ArgumentNullException("command"); $this->resOutput = ""; $this->resError = ""; return escapeshellcmd($command); } /** * Starts execution fo shell command * Results can be obtained by another special commands * @param $command * @return true; */ public function asyncExec($command) { $outputPath = "/dev/null"; $command = $this->prepareExecution($command); exec($command. " > ".$outputPath." 2>&1 &"); return true; } /** * @return string Last command output */ public function getLastOutput() { return $this->resOutput; } /** * @return string last error output */ public function getLastError() { return $this->resError; } /** * Executes shell command & return shell command execution result * @param string $command * @return bool */ public function syncExec($command) { $command = $this->prepareExecution($command); $retVal = 1; $descriptorspec = array( 0 => array("pipe", "r"), // stdin 1 => array("pipe", "w"), // stdout 2 => array("pipe", "w") // stderr ); $pipes = array(); $process = proc_open('/bin/bash', $descriptorspec, $pipes); if (is_resource($process)) { fwrite($pipes[0], $command); fclose($pipes[0]); $this->resOutput = stream_get_contents($pipes[1]); fclose($pipes[1]); $this->resError = stream_get_contents($pipes[2]); fclose($pipes[2]); $retVal = proc_close($process); } return $retVal == static::SUCCESS_RESULT; } }