2010-04-17 13:49:58 +01:00
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<?php
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/*
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2010-04-24 00:22:16 +01:00
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* This file is part of the Symfony package.
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2010-04-17 13:49:58 +01:00
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*
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2011-03-06 11:40:06 +00:00
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* (c) Fabien Potencier <fabien@symfony.com>
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2010-04-17 13:49:58 +01:00
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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2011-01-15 13:29:43 +00:00
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namespace Symfony\Component\Process;
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2012-08-30 20:25:16 +01:00
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use Symfony\Component\Process\Exception\InvalidArgumentException;
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use Symfony\Component\Process\Exception\RuntimeException;
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2010-04-17 13:49:58 +01:00
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/**
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* Process is a thin wrapper around proc_* functions to ease
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2010-09-19 23:40:30 +01:00
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* start independent PHP processes.
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2010-04-17 13:49:58 +01:00
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*
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2011-03-06 11:40:06 +00:00
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* @author Fabien Potencier <fabien@symfony.com>
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2011-03-24 08:13:58 +00:00
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*
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* @api
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2010-04-17 13:49:58 +01:00
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*/
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class Process
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{
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2012-02-05 11:11:37 +00:00
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const ERR = 'err';
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const OUT = 'out';
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2012-03-21 16:58:02 +00:00
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const STATUS_READY = 'ready';
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const STATUS_STARTED = 'started';
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const STATUS_TERMINATED = 'terminated';
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const STDIN = 0;
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const STDOUT = 1;
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const STDERR = 2;
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2011-03-24 08:10:42 +00:00
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private $commandline;
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private $cwd;
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private $env;
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private $stdin;
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private $timeout;
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private $options;
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private $exitcode;
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2012-08-26 14:13:51 +01:00
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private $fallbackExitcode;
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2012-03-21 16:58:02 +00:00
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private $processInformation;
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2011-03-24 08:10:42 +00:00
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private $stdout;
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private $stderr;
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2012-03-05 14:19:26 +00:00
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private $enhanceWindowsCompatibility;
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2012-09-09 15:38:21 +01:00
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private $enhanceSigchildCompatibility;
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2012-03-21 16:58:02 +00:00
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private $pipes;
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private $process;
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private $status = self::STATUS_READY;
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2010-05-06 12:25:53 +01:00
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2012-04-22 20:52:08 +01:00
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private $fileHandles;
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2012-04-23 12:43:49 +01:00
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private $readBytes;
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2012-04-22 20:52:08 +01:00
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2012-09-09 15:38:21 +01:00
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private static $sigchild;
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2012-02-13 06:31:37 +00:00
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/**
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* Exit codes translation table.
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*
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2012-04-07 19:15:29 +01:00
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* User-defined errors must use exit codes in the 64-113 range.
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*
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2012-02-13 06:31:37 +00:00
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* @var array
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*/
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2012-07-09 13:50:58 +01:00
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public static $exitCodes = array(
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2012-02-13 06:31:37 +00:00
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0 => 'OK',
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1 => 'General error',
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2 => 'Misuse of shell builtins',
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126 => 'Invoked command cannot execute',
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127 => 'Command not found',
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128 => 'Invalid exit argument',
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// signals
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129 => 'Hangup',
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130 => 'Interrupt',
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131 => 'Quit and dump core',
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132 => 'Illegal instruction',
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133 => 'Trace/breakpoint trap',
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134 => 'Process aborted',
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135 => 'Bus error: "access to undefined portion of memory object"',
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136 => 'Floating point exception: "erroneous arithmetic operation"',
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137 => 'Kill (terminate immediately)',
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138 => 'User-defined 1',
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139 => 'Segmentation violation',
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140 => 'User-defined 2',
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141 => 'Write to pipe with no one reading',
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142 => 'Signal raised by alarm',
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143 => 'Termination (request to terminate)',
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// 144 - not defined
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145 => 'Child process terminated, stopped (or continued*)',
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146 => 'Continue if stopped',
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147 => 'Stop executing temporarily',
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148 => 'Terminal stop signal',
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149 => 'Background process attempting to read from tty ("in")',
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150 => 'Background process attempting to write to tty ("out")',
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151 => 'Urgent data available on socket',
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152 => 'CPU time limit exceeded',
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153 => 'File size limit exceeded',
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154 => 'Signal raised by timer counting virtual time: "virtual timer expired"',
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155 => 'Profiling timer expired',
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// 156 - not defined
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157 => 'Pollable event',
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// 158 - not defined
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159 => 'Bad syscall',
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);
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2010-05-06 12:25:53 +01:00
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/**
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* Constructor.
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*
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* @param string $commandline The command line to run
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* @param string $cwd The working directory
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2012-02-22 13:10:14 +00:00
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* @param array $env The environment variables or null to inherit
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2010-05-06 12:25:53 +01:00
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* @param string $stdin The STDIN content
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* @param integer $timeout The timeout in seconds
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* @param array $options An array of options for proc_open
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*
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2012-08-30 20:25:16 +01:00
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* @throws RuntimeException When proc_open is not installed
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2011-03-24 08:13:58 +00:00
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*
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* @api
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2010-05-06 12:25:53 +01:00
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*/
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2011-05-19 15:52:45 +01:00
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public function __construct($commandline, $cwd = null, array $env = null, $stdin = null, $timeout = 60, array $options = array())
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2010-04-17 13:49:58 +01:00
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{
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2010-05-07 15:09:11 +01:00
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if (!function_exists('proc_open')) {
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2012-08-30 20:25:16 +01:00
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throw new RuntimeException('The Process class relies on proc_open, which is not available on your PHP installation.');
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2010-05-06 12:25:53 +01:00
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}
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2010-04-17 13:49:58 +01:00
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2010-05-06 12:25:53 +01:00
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$this->commandline = $commandline;
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$this->cwd = null === $cwd ? getcwd() : $cwd;
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2011-05-19 15:52:45 +01:00
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if (null !== $env) {
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$this->env = array();
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foreach ($env as $key => $value) {
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$this->env[(binary) $key] = (binary) $value;
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}
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} else {
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$this->env = null;
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2010-05-06 12:25:53 +01:00
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}
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$this->stdin = $stdin;
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2012-07-10 14:21:23 +01:00
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$this->setTimeout($timeout);
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2012-03-05 14:19:26 +00:00
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$this->enhanceWindowsCompatibility = true;
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2012-09-09 15:38:21 +01:00
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$this->enhanceSigchildCompatibility = !defined('PHP_WINDOWS_VERSION_BUILD') && $this->isSigchildEnabled();
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2012-02-22 13:38:43 +00:00
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$this->options = array_replace(array('suppress_errors' => true, 'binary_pipes' => true), $options);
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2010-04-17 13:49:58 +01:00
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}
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2010-05-06 12:25:53 +01:00
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2012-04-11 22:08:57 +01:00
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public function __destruct()
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{
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// stop() will check if we have a process running.
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$this->stop();
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}
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2012-09-07 08:03:48 +01:00
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public function __clone()
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{
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$this->exitcode = null;
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$this->fallbackExitcode = null;
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$this->processInformation = null;
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$this->stdout = null;
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$this->stderr = null;
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$this->pipes = null;
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$this->process = null;
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$this->status = self::STATUS_READY;
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$this->fileHandles = null;
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$this->readBytes = null;
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}
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2010-05-06 12:25:53 +01:00
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/**
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2010-12-20 09:30:59 +00:00
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* Runs the process.
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2010-05-06 12:25:53 +01:00
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*
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* The callback receives the type of output (out or err) and
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* some bytes from the output in real-time. It allows to have feedback
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2010-09-19 23:40:30 +01:00
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* from the independent process during execution.
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2010-05-06 12:25:53 +01:00
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*
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2011-04-01 17:07:53 +01:00
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* The STDOUT and STDERR are also available after the process is finished
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* via the getOutput() and getErrorOutput() methods.
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2010-05-06 12:25:53 +01:00
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*
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2012-09-07 22:36:28 +01:00
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* @param callable $callback A PHP callback to run whenever there is some
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* output available on STDOUT or STDERR
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2010-05-06 12:25:53 +01:00
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*
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* @return integer The exit status code
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*
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2012-08-30 20:25:16 +01:00
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* @throws RuntimeException When process can't be launch or is stopped
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2011-03-24 08:13:58 +00:00
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*
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* @api
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2010-05-06 12:25:53 +01:00
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*/
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public function run($callback = null)
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2010-04-18 08:27:43 +01:00
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{
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2012-03-21 16:58:02 +00:00
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$this->start($callback);
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2011-04-01 17:07:53 +01:00
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2012-03-23 12:02:23 +00:00
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return $this->wait($callback);
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2012-03-21 16:58:02 +00:00
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}
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2010-05-06 12:25:53 +01:00
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2012-03-21 16:58:02 +00:00
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/**
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2012-03-23 11:59:10 +00:00
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* Starts the process and returns after sending the STDIN.
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2012-03-21 16:58:02 +00:00
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*
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2012-03-23 11:59:10 +00:00
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* This method blocks until all STDIN data is sent to the process then it
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* returns while the process runs in the background.
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*
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2012-03-23 12:02:23 +00:00
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* The termination of the process can be awaited with wait().
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2012-03-23 11:59:10 +00:00
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*
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* The callback receives the type of output (out or err) and some bytes from
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* the output in real-time while writing the standard input to the process.
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* It allows to have feedback from the independent process during execution.
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2012-03-23 12:02:23 +00:00
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* If there is no callback passed, the wait() method can be called
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2012-07-28 23:02:29 +01:00
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* with true as a second parameter then the callback will get all data occurred
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2012-03-23 11:59:10 +00:00
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* in (and since) the start call.
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2012-03-21 16:58:02 +00:00
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*
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2012-09-07 22:36:28 +01:00
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* @param callable $callback A PHP callback to run whenever there is some
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* output available on STDOUT or STDERR
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2012-03-21 16:58:02 +00:00
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*
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2012-08-30 20:25:16 +01:00
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* @throws RuntimeException When process can't be launch or is stopped
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* @throws RuntimeException When process is already running
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2012-03-21 16:58:02 +00:00
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*/
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public function start($callback = null)
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{
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2012-03-23 11:06:08 +00:00
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if ($this->isRunning()) {
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2012-08-30 20:25:16 +01:00
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throw new RuntimeException('Process is already running');
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2012-03-21 16:58:02 +00:00
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}
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2012-03-23 11:59:10 +00:00
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2012-03-21 16:58:02 +00:00
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$this->stdout = '';
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$this->stderr = '';
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$callback = $this->buildCallback($callback);
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2012-04-22 20:52:08 +01:00
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//Fix for PHP bug #51800: reading from STDOUT pipe hangs forever on Windows if the output is too big.
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//Workaround for this problem is to use temporary files instead of pipes on Windows platform.
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//@see https://bugs.php.net/bug.php?id=51800
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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$this->fileHandles = array(
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self::STDOUT => tmpfile(),
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);
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2012-05-24 18:53:48 +01:00
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$this->readBytes = array(
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self::STDOUT => 0,
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);
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2012-04-22 20:52:08 +01:00
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$descriptors = array(array('pipe', 'r'), $this->fileHandles[self::STDOUT], array('pipe', 'w'));
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} else {
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2012-08-26 14:13:51 +01:00
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$descriptors = array(
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array('pipe', 'r'), // stdin
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array('pipe', 'w'), // stdout
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array('pipe', 'w'), // stderr
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);
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2012-09-09 15:38:21 +01:00
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if ($this->enhanceSigchildCompatibility && $this->isSigchildEnabled()) {
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// last exit code is output on the fourth pipe and caught to work around --enable-sigchild
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$descriptors = array_merge($descriptors, array(array('pipe', 'w')));
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$this->commandline = '('.$this->commandline.') 3>/dev/null; code=$?; echo $code >&3; exit $code';
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}
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2012-04-22 20:52:08 +01:00
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}
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2010-05-06 12:25:53 +01:00
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2012-02-16 18:16:07 +00:00
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$commandline = $this->commandline;
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if (defined('PHP_WINDOWS_VERSION_BUILD') && $this->enhanceWindowsCompatibility) {
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$commandline = 'cmd /V:ON /E:ON /C "'.$commandline.'"';
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2012-02-22 13:19:04 +00:00
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if (!isset($this->options['bypass_shell'])) {
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$this->options['bypass_shell'] = true;
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}
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2012-02-16 18:16:07 +00:00
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}
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2012-03-21 16:58:02 +00:00
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$this->process = proc_open($commandline, $descriptors, $this->pipes, $this->cwd, $this->env, $this->options);
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2010-05-06 12:25:53 +01:00
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2012-03-21 16:58:02 +00:00
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if (!is_resource($this->process)) {
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2012-08-30 20:25:16 +01:00
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throw new RuntimeException('Unable to launch a new process.');
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2010-05-06 12:25:53 +01:00
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}
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2012-03-21 16:58:02 +00:00
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$this->status = self::STATUS_STARTED;
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2010-05-06 12:25:53 +01:00
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2012-03-21 16:58:02 +00:00
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foreach ($this->pipes as $pipe) {
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2011-06-22 14:16:44 +01:00
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stream_set_blocking($pipe, false);
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}
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2011-06-23 12:39:36 +01:00
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2012-03-23 11:06:08 +00:00
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if (null === $this->stdin) {
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2012-03-21 16:58:02 +00:00
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fclose($this->pipes[0]);
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2012-04-08 19:26:04 +01:00
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unset($this->pipes[0]);
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2012-03-21 16:58:02 +00:00
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return;
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2010-05-06 12:25:53 +01:00
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}
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2012-05-24 18:53:48 +01:00
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$writePipes = array($this->pipes[0]);
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unset($this->pipes[0]);
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$stdinLen = strlen($this->stdin);
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$stdinOffset = 0;
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2012-03-21 16:58:02 +00:00
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while ($writePipes) {
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2012-05-24 18:53:48 +01:00
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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$this->processFileHandles($callback);
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}
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2012-03-21 16:58:02 +00:00
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$r = $this->pipes;
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2011-06-22 14:16:44 +01:00
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$w = $writePipes;
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2010-05-06 12:25:53 +01:00
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$e = null;
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$n = @stream_select($r, $w, $e, $this->timeout);
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2010-12-21 02:59:17 +00:00
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|
if (false === $n) {
|
2010-05-06 12:25:53 +01:00
|
|
|
break;
|
2012-05-24 18:53:48 +01:00
|
|
|
}
|
|
|
|
if ($n === 0) {
|
2012-03-21 16:58:02 +00:00
|
|
|
proc_terminate($this->process);
|
2010-05-06 12:25:53 +01:00
|
|
|
|
2012-08-30 20:25:16 +01:00
|
|
|
throw new RuntimeException('The process timed out.');
|
2011-06-22 14:16:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if ($w) {
|
|
|
|
$written = fwrite($writePipes[0], (binary) substr($this->stdin, $stdinOffset), 8192);
|
|
|
|
if (false !== $written) {
|
|
|
|
$stdinOffset += $written;
|
|
|
|
}
|
|
|
|
if ($stdinOffset >= $stdinLen) {
|
|
|
|
fclose($writePipes[0]);
|
|
|
|
$writePipes = null;
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2011-06-22 14:16:44 +01:00
|
|
|
}
|
2010-05-06 12:25:53 +01:00
|
|
|
|
2011-06-22 14:16:44 +01:00
|
|
|
foreach ($r as $pipe) {
|
2012-03-21 16:58:02 +00:00
|
|
|
$type = array_search($pipe, $this->pipes);
|
2011-06-22 14:16:44 +01:00
|
|
|
$data = fread($pipe, 8192);
|
|
|
|
if (strlen($data) > 0) {
|
2012-03-21 16:58:02 +00:00
|
|
|
call_user_func($callback, $type == 1 ? self::OUT : self::ERR, $data);
|
2011-06-22 14:16:44 +01:00
|
|
|
}
|
|
|
|
if (false === $data || feof($pipe)) {
|
|
|
|
fclose($pipe);
|
2012-03-21 16:58:02 +00:00
|
|
|
unset($this->pipes[$type]);
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
|
|
|
}
|
2010-04-18 08:27:43 +01:00
|
|
|
}
|
|
|
|
|
2012-07-18 18:20:44 +01:00
|
|
|
$this->updateStatus();
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
|
|
|
|
2012-09-07 08:03:48 +01:00
|
|
|
/**
|
|
|
|
* Restarts the process by cloning and invoking start().
|
|
|
|
*
|
|
|
|
* @param callable $callback A PHP callback to run whenever there is some
|
|
|
|
* output available on STDOUT or STDERR
|
|
|
|
*
|
|
|
|
* @return Process The new process.
|
|
|
|
*
|
|
|
|
* @throws \RuntimeException When process can't be launch or is stopped
|
|
|
|
* @throws \RuntimeException When process is already running
|
|
|
|
* @see start()
|
|
|
|
*/
|
|
|
|
public function restart($callback = null)
|
|
|
|
{
|
|
|
|
if ($this->isRunning()) {
|
|
|
|
throw new \RuntimeException('Process is already running');
|
|
|
|
}
|
|
|
|
|
|
|
|
$process = clone $this;
|
|
|
|
$process->start($callback);
|
|
|
|
|
|
|
|
return $process;
|
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
/**
|
2012-03-23 11:59:10 +00:00
|
|
|
* Waits for the process to terminate.
|
2012-03-21 16:58:02 +00:00
|
|
|
*
|
2012-03-23 11:59:10 +00:00
|
|
|
* The callback receives the type of output (out or err) and some bytes
|
|
|
|
* from the output in real-time while writing the standard input to the process.
|
|
|
|
* It allows to have feedback from the independent process during execution.
|
|
|
|
*
|
2012-09-07 22:36:28 +01:00
|
|
|
* @param callable $callback A valid PHP callback
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
|
|
|
* @return int The exitcode of the process
|
2012-03-21 16:58:02 +00:00
|
|
|
*
|
2012-08-30 20:25:16 +01:00
|
|
|
* @throws RuntimeException
|
2012-03-21 16:58:02 +00:00
|
|
|
*/
|
2012-03-23 12:02:23 +00:00
|
|
|
public function wait($callback = null)
|
2012-03-21 16:58:02 +00:00
|
|
|
{
|
2012-07-18 18:20:44 +01:00
|
|
|
$this->updateStatus();
|
2012-03-21 16:58:02 +00:00
|
|
|
$callback = $this->buildCallback($callback);
|
2012-04-24 13:28:42 +01:00
|
|
|
while ($this->pipes || (defined('PHP_WINDOWS_VERSION_BUILD') && $this->fileHandles)) {
|
2012-05-24 18:53:48 +01:00
|
|
|
if (defined('PHP_WINDOWS_VERSION_BUILD') && $this->fileHandles) {
|
|
|
|
$this->processFileHandles($callback, !$this->pipes);
|
|
|
|
}
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-05-24 18:53:48 +01:00
|
|
|
if ($this->pipes) {
|
|
|
|
$r = $this->pipes;
|
|
|
|
$w = null;
|
|
|
|
$e = null;
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-05-24 18:53:48 +01:00
|
|
|
$n = @stream_select($r, $w, $e, $this->timeout);
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-05-24 18:53:48 +01:00
|
|
|
if (false === $n) {
|
|
|
|
$this->pipes = array();
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-05-24 18:53:48 +01:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (0 === $n) {
|
|
|
|
proc_terminate($this->process);
|
2012-04-22 23:05:10 +01:00
|
|
|
|
2012-08-30 20:25:16 +01:00
|
|
|
throw new RuntimeException('The process timed out.');
|
2012-05-24 18:53:48 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($r as $pipe) {
|
|
|
|
$type = array_search($pipe, $this->pipes);
|
|
|
|
$data = fread($pipe, 8192);
|
2012-08-26 14:13:51 +01:00
|
|
|
|
2012-04-22 20:52:08 +01:00
|
|
|
if (strlen($data) > 0) {
|
2012-08-26 14:13:51 +01:00
|
|
|
// last exit code is output and caught to work around --enable-sigchild
|
|
|
|
if (3 == $type) {
|
|
|
|
$this->fallbackExitcode = (int) $data;
|
|
|
|
} else {
|
|
|
|
call_user_func($callback, $type == 1 ? self::OUT : self::ERR, $data);
|
|
|
|
}
|
2012-04-22 20:52:08 +01:00
|
|
|
}
|
2012-05-24 18:53:48 +01:00
|
|
|
if (false === $data || feof($pipe)) {
|
|
|
|
fclose($pipe);
|
|
|
|
unset($this->pipes[$type]);
|
2012-04-22 20:52:08 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
|
|
|
$this->updateStatus();
|
|
|
|
if ($this->processInformation['signaled']) {
|
2012-08-30 20:25:16 +01:00
|
|
|
throw new RuntimeException(sprintf('The process stopped because of a "%s" signal.', $this->processInformation['stopsig']));
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2011-06-23 10:47:31 +01:00
|
|
|
$time = 0;
|
2012-03-21 16:58:02 +00:00
|
|
|
while ($this->isRunning() && $time < 1000000) {
|
2011-06-23 10:47:31 +01:00
|
|
|
$time += 1000;
|
|
|
|
usleep(1000);
|
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
$exitcode = proc_close($this->process);
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
if ($this->processInformation['signaled']) {
|
2012-08-30 20:25:16 +01:00
|
|
|
throw new RuntimeException(sprintf('The process stopped because of a "%s" signal.', $this->processInformation['stopsig']));
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2011-07-12 07:16:22 +01:00
|
|
|
|
2012-08-26 14:13:51 +01:00
|
|
|
$this->exitcode = $this->processInformation['running'] ? $exitcode : $this->processInformation['exitcode'];
|
|
|
|
|
|
|
|
if (-1 == $this->exitcode && null !== $this->fallbackExitcode) {
|
|
|
|
$this->exitcode = $this->fallbackExitcode;
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->exitcode;
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2012-03-21 16:58:02 +00:00
|
|
|
* Returns the current output of the process (STDOUT).
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
2010-05-06 12:25:53 +01:00
|
|
|
* @return string The process output
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function getOutput()
|
2010-04-17 13:49:58 +01:00
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateOutput();
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
return $this->stdout;
|
2010-04-17 13:49:58 +01:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
2012-03-21 16:58:02 +00:00
|
|
|
* Returns the current error output of the process (STDERR).
|
2010-05-06 12:25:53 +01:00
|
|
|
*
|
|
|
|
* @return string The process error output
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function getErrorOutput()
|
2010-04-17 13:49:58 +01:00
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateErrorOutput();
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
return $this->stderr;
|
2010-04-17 13:49:58 +01:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
|
|
|
* Returns the exit code returned by the process.
|
|
|
|
*
|
|
|
|
* @return integer The exit status code
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
2012-09-09 15:38:21 +01:00
|
|
|
* @throws RuntimeException In case --enable-sigchild is activated and the sigchild compatibility mode is disabled
|
|
|
|
*
|
2011-03-24 08:13:58 +00:00
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function getExitCode()
|
2010-04-17 13:49:58 +01:00
|
|
|
{
|
2012-09-09 15:38:21 +01:00
|
|
|
if ($this->isSigchildEnabled() && !$this->enhanceSigchildCompatibility) {
|
|
|
|
throw new RuntimeException('This PHP has been compiled with --enable-sigchild. You must use setEnhanceSigchildCompatibility() to use this method');
|
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateStatus();
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
return $this->exitcode;
|
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2012-02-13 06:31:37 +00:00
|
|
|
/**
|
|
|
|
* Returns a string representation for the exit code returned by the process.
|
|
|
|
*
|
|
|
|
* This method relies on the Unix exit code status standardization
|
|
|
|
* and might not be relevant for other operating systems.
|
|
|
|
*
|
|
|
|
* @return string A string representation for the exit status code
|
|
|
|
*
|
2012-09-09 15:38:21 +01:00
|
|
|
* @throws RuntimeException In case --enable-sigchild is activated and the sigchild compatibility mode is disabled
|
|
|
|
*
|
2012-02-13 06:31:37 +00:00
|
|
|
* @see http://tldp.org/LDP/abs/html/exitcodes.html
|
|
|
|
* @see http://en.wikipedia.org/wiki/Unix_signal
|
|
|
|
*/
|
|
|
|
public function getExitCodeText()
|
|
|
|
{
|
2012-09-09 15:38:21 +01:00
|
|
|
$exitcode = $this->getExitCode();
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-09-09 15:38:21 +01:00
|
|
|
return isset(self::$exitCodes[$exitcode]) ? self::$exitCodes[$exitcode] : 'Unknown error';
|
2012-02-13 06:31:37 +00:00
|
|
|
}
|
|
|
|
|
2010-09-16 07:55:44 +01:00
|
|
|
/**
|
|
|
|
* Checks if the process ended successfully.
|
|
|
|
*
|
|
|
|
* @return Boolean true if the process ended successfully, false otherwise
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
2012-09-09 15:38:21 +01:00
|
|
|
* @throws RuntimeException In case --enable-sigchild is activated and the sigchild compatibility mode is disabled
|
|
|
|
*
|
2011-03-24 08:13:58 +00:00
|
|
|
* @api
|
2010-09-16 07:55:44 +01:00
|
|
|
*/
|
|
|
|
public function isSuccessful()
|
|
|
|
{
|
2012-09-09 15:38:21 +01:00
|
|
|
return 0 == $this->getExitCode();
|
2010-09-16 07:55:44 +01:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
|
|
|
* Returns true if the child process has been terminated by an uncaught signal.
|
|
|
|
*
|
|
|
|
* It always returns false on Windows.
|
|
|
|
*
|
|
|
|
* @return Boolean
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
2012-09-09 15:38:21 +01:00
|
|
|
* @throws RuntimeException In case --enable-sigchild is activated
|
|
|
|
*
|
2011-03-24 08:13:58 +00:00
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function hasBeenSignaled()
|
|
|
|
{
|
2012-09-09 15:38:21 +01:00
|
|
|
if ($this->isSigchildEnabled()) {
|
|
|
|
throw new RuntimeException('This PHP has been compiled with --enable-sigchild. Term signal can not be retrieved');
|
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateStatus();
|
|
|
|
|
|
|
|
return $this->processInformation['signaled'];
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
|
|
|
* Returns the number of the signal that caused the child process to terminate its execution.
|
|
|
|
*
|
|
|
|
* It is only meaningful if hasBeenSignaled() returns true.
|
|
|
|
*
|
|
|
|
* @return integer
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
2012-09-09 15:38:21 +01:00
|
|
|
* @throws RuntimeException In case --enable-sigchild is activated
|
|
|
|
*
|
2011-03-24 08:13:58 +00:00
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function getTermSignal()
|
|
|
|
{
|
2012-09-09 15:38:21 +01:00
|
|
|
if ($this->isSigchildEnabled()) {
|
|
|
|
throw new RuntimeException('This PHP has been compiled with --enable-sigchild. Term signal can not be retrieved');
|
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateStatus();
|
|
|
|
|
|
|
|
return $this->processInformation['termsig'];
|
2010-04-17 13:49:58 +01:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
|
|
|
* Returns true if the child process has been stopped by a signal.
|
|
|
|
*
|
|
|
|
* It always returns false on Windows.
|
|
|
|
*
|
|
|
|
* @return Boolean
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function hasBeenStopped()
|
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateStatus();
|
|
|
|
|
|
|
|
return $this->processInformation['stopped'];
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
|
|
|
* Returns the number of the signal that caused the child process to stop its execution
|
|
|
|
*
|
|
|
|
* It is only meaningful if hasBeenStopped() returns true.
|
|
|
|
*
|
|
|
|
* @return integer
|
2011-03-24 08:13:58 +00:00
|
|
|
*
|
|
|
|
* @api
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
|
|
|
public function getStopSignal()
|
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->updateStatus();
|
|
|
|
|
|
|
|
return $this->processInformation['stopsig'];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2012-03-23 11:59:10 +00:00
|
|
|
* Checks if the process is currently running.
|
|
|
|
*
|
|
|
|
* @return Boolean true if the process is currently running, false otherwise
|
2012-03-21 16:58:02 +00:00
|
|
|
*/
|
2012-03-23 11:59:10 +00:00
|
|
|
public function isRunning()
|
2012-03-23 11:06:08 +00:00
|
|
|
{
|
2012-03-23 11:59:10 +00:00
|
|
|
if (self::STATUS_STARTED !== $this->status) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
$this->updateStatus();
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-03-23 11:59:10 +00:00
|
|
|
return $this->processInformation['running'];
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2012-03-23 11:59:10 +00:00
|
|
|
* Stops the process.
|
|
|
|
*
|
|
|
|
* @param float $timeout The timeout in seconds
|
|
|
|
*
|
2012-07-28 17:07:17 +01:00
|
|
|
* @return integer The exitcode of the process
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
2012-08-30 20:25:16 +01:00
|
|
|
* @throws RuntimeException if the process got signaled
|
2012-03-21 16:58:02 +00:00
|
|
|
*/
|
2012-03-23 11:59:10 +00:00
|
|
|
public function stop($timeout=10)
|
2012-03-23 11:06:08 +00:00
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$timeoutMicro = (int) $timeout*10E6;
|
2012-03-23 11:06:08 +00:00
|
|
|
if ($this->isRunning()) {
|
2012-03-21 16:58:02 +00:00
|
|
|
proc_terminate($this->process);
|
|
|
|
$time = 0;
|
|
|
|
while (1 == $this->isRunning() && $time < $timeoutMicro) {
|
|
|
|
$time += 1000;
|
|
|
|
usleep(1000);
|
|
|
|
}
|
2012-04-08 19:27:37 +01:00
|
|
|
|
|
|
|
foreach ($this->pipes as $pipe) {
|
|
|
|
fclose($pipe);
|
|
|
|
}
|
|
|
|
$this->pipes = array();
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
$exitcode = proc_close($this->process);
|
|
|
|
$this->exitcode = -1 === $this->processInformation['exitcode'] ? $exitcode : $this->processInformation['exitcode'];
|
2012-04-22 20:52:08 +01:00
|
|
|
|
|
|
|
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
|
|
|
|
foreach ($this->fileHandles as $fileHandle) {
|
|
|
|
fclose($fileHandle);
|
|
|
|
}
|
|
|
|
$this->fileHandles = array();
|
|
|
|
}
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
|
|
|
$this->status = self::STATUS_TERMINATED;
|
|
|
|
|
|
|
|
return $this->exitcode;
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
public function addOutput($line)
|
2010-04-17 13:49:58 +01:00
|
|
|
{
|
2010-05-06 12:25:53 +01:00
|
|
|
$this->stdout .= $line;
|
2010-04-17 13:49:58 +01:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
public function addErrorOutput($line)
|
|
|
|
{
|
|
|
|
$this->stderr .= $line;
|
|
|
|
}
|
2011-03-24 08:10:42 +00:00
|
|
|
|
2011-03-24 08:15:33 +00:00
|
|
|
public function getCommandLine()
|
|
|
|
{
|
|
|
|
return $this->commandline;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2011-03-24 08:10:42 +00:00
|
|
|
public function setCommandLine($commandline)
|
|
|
|
{
|
|
|
|
$this->commandline = $commandline;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-03-24 08:10:42 +00:00
|
|
|
}
|
2011-04-02 09:08:01 +01:00
|
|
|
|
|
|
|
public function getTimeout()
|
|
|
|
{
|
|
|
|
return $this->timeout;
|
|
|
|
}
|
|
|
|
|
2012-07-11 08:39:13 +01:00
|
|
|
/**
|
|
|
|
* Sets the process timeout.
|
|
|
|
*
|
|
|
|
* To disable the timeout, set this value to null.
|
|
|
|
*
|
|
|
|
* @param integer|null
|
2012-10-03 15:02:00 +01:00
|
|
|
*
|
|
|
|
* @return self The current Process instance
|
2012-07-11 08:39:13 +01:00
|
|
|
*/
|
2011-04-02 09:08:01 +01:00
|
|
|
public function setTimeout($timeout)
|
|
|
|
{
|
2012-07-11 08:39:13 +01:00
|
|
|
if (null === $timeout) {
|
2012-07-11 13:21:05 +01:00
|
|
|
$this->timeout = null;
|
|
|
|
|
2012-09-16 04:07:09 +01:00
|
|
|
return $this;
|
2012-07-11 08:39:13 +01:00
|
|
|
}
|
|
|
|
|
2012-07-10 14:21:23 +01:00
|
|
|
$timeout = (integer) $timeout;
|
|
|
|
|
|
|
|
if ($timeout < 0) {
|
2012-08-30 20:25:16 +01:00
|
|
|
throw new InvalidArgumentException('The timeout value must be a valid positive integer.');
|
2012-07-10 14:21:23 +01:00
|
|
|
}
|
|
|
|
|
2011-04-02 09:08:01 +01:00
|
|
|
$this->timeout = $timeout;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-04-02 09:08:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public function getWorkingDirectory()
|
|
|
|
{
|
|
|
|
return $this->cwd;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2011-04-02 09:08:01 +01:00
|
|
|
public function setWorkingDirectory($cwd)
|
|
|
|
{
|
|
|
|
$this->cwd = $cwd;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-04-02 09:08:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public function getEnv()
|
|
|
|
{
|
|
|
|
return $this->env;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2011-04-02 09:08:01 +01:00
|
|
|
public function setEnv(array $env)
|
|
|
|
{
|
|
|
|
$this->env = $env;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-04-02 09:08:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public function getStdin()
|
|
|
|
{
|
|
|
|
return $this->stdin;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2011-04-02 09:08:01 +01:00
|
|
|
public function setStdin($stdin)
|
|
|
|
{
|
|
|
|
$this->stdin = $stdin;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-04-02 09:08:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public function getOptions()
|
|
|
|
{
|
|
|
|
return $this->options;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2011-04-02 09:08:01 +01:00
|
|
|
public function setOptions(array $options)
|
|
|
|
{
|
|
|
|
$this->options = $options;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
|
|
|
return $this;
|
2011-04-02 09:08:01 +01:00
|
|
|
}
|
2012-02-16 18:16:07 +00:00
|
|
|
|
|
|
|
public function getEnhanceWindowsCompatibility()
|
|
|
|
{
|
|
|
|
return $this->enhanceWindowsCompatibility;
|
|
|
|
}
|
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
/**
|
|
|
|
* @return self The current Process instance
|
|
|
|
*/
|
2012-02-16 18:16:07 +00:00
|
|
|
public function setEnhanceWindowsCompatibility($enhance)
|
|
|
|
{
|
|
|
|
$this->enhanceWindowsCompatibility = (Boolean) $enhance;
|
2012-09-16 04:07:09 +01:00
|
|
|
|
2012-10-03 15:02:00 +01:00
|
|
|
return $this;
|
2012-02-16 18:16:07 +00:00
|
|
|
}
|
2012-03-21 16:58:02 +00:00
|
|
|
|
2012-09-09 15:38:21 +01:00
|
|
|
/**
|
|
|
|
* Return whether sigchild compatibility mode is activated or not
|
|
|
|
*
|
|
|
|
* @return Boolean
|
|
|
|
*/
|
|
|
|
public function getEnhanceSigchildCompatibility()
|
|
|
|
{
|
|
|
|
return $this->enhanceSigchildCompatibility;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Activate sigchild compatibility mode
|
|
|
|
*
|
|
|
|
* Sigchild compatibility mode is required to get the exit code and
|
|
|
|
* determine the success of a process when PHP has been compiled with
|
|
|
|
* the --enable-sigchild option
|
|
|
|
*
|
|
|
|
* @param Boolean $enhance
|
2012-10-03 15:02:00 +01:00
|
|
|
*
|
|
|
|
* @return self The current Process instance
|
2012-09-09 15:38:21 +01:00
|
|
|
*/
|
|
|
|
public function setEnhanceSigchildCompatibility($enhance)
|
|
|
|
{
|
|
|
|
$this->enhanceSigchildCompatibility = (Boolean) $enhance;
|
2012-10-03 15:02:00 +01:00
|
|
|
|
|
|
|
return $this;
|
2012-09-09 15:38:21 +01:00
|
|
|
}
|
|
|
|
|
2012-03-21 16:58:02 +00:00
|
|
|
/**
|
2012-03-23 12:02:23 +00:00
|
|
|
* Builds up the callback used by wait().
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
2012-07-28 23:02:29 +01:00
|
|
|
* The callbacks adds all occurred output to the specific buffer and calls
|
|
|
|
* the user callback (if present) with the received output.
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
2012-09-07 22:36:28 +01:00
|
|
|
* @param callable $callback The user defined PHP callback
|
2012-03-23 11:59:10 +00:00
|
|
|
*
|
|
|
|
* @return mixed A PHP callable
|
2012-03-21 16:58:02 +00:00
|
|
|
*/
|
2012-03-23 11:59:10 +00:00
|
|
|
protected function buildCallback($callback)
|
|
|
|
{
|
2012-03-21 16:58:02 +00:00
|
|
|
$that = $this;
|
|
|
|
$out = self::OUT;
|
|
|
|
$err = self::ERR;
|
2012-03-23 11:59:10 +00:00
|
|
|
$callback = function ($type, $data) use ($that, $callback, $out, $err) {
|
2012-03-21 16:58:02 +00:00
|
|
|
if ($out == $type) {
|
|
|
|
$that->addOutput($data);
|
|
|
|
} else {
|
|
|
|
$that->addErrorOutput($data);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (null !== $callback) {
|
|
|
|
call_user_func($callback, $type, $data);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
return $callback;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2012-03-23 11:59:10 +00:00
|
|
|
* Updates the status of the process.
|
2012-03-21 16:58:02 +00:00
|
|
|
*/
|
|
|
|
protected function updateStatus()
|
|
|
|
{
|
2012-03-23 11:59:10 +00:00
|
|
|
if (self::STATUS_STARTED !== $this->status) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
$this->processInformation = proc_get_status($this->process);
|
|
|
|
if (!$this->processInformation['running']) {
|
|
|
|
$this->status = self::STATUS_TERMINATED;
|
|
|
|
if (-1 !== $this->processInformation['exitcode']) {
|
|
|
|
$this->exitcode = $this->processInformation['exitcode'];
|
2012-03-21 16:58:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-03-23 11:59:10 +00:00
|
|
|
protected function updateErrorOutput()
|
|
|
|
{
|
2012-03-23 11:06:08 +00:00
|
|
|
if (isset($this->pipes[self::STDERR]) && is_resource($this->pipes[self::STDERR])) {
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->addErrorOutput(stream_get_contents($this->pipes[self::STDERR]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-03-23 11:59:10 +00:00
|
|
|
protected function updateOutput()
|
|
|
|
{
|
2012-04-22 20:52:08 +01:00
|
|
|
if (defined('PHP_WINDOWS_VERSION_BUILD') && isset($this->fileHandles[self::STDOUT]) && is_resource($this->fileHandles[self::STDOUT])) {
|
2012-04-23 12:43:49 +01:00
|
|
|
fseek($this->fileHandles[self::STDOUT], $this->readBytes[self::STDOUT]);
|
2012-04-22 20:52:08 +01:00
|
|
|
$this->addOutput(stream_get_contents($this->fileHandles[self::STDOUT]));
|
|
|
|
} elseif (isset($this->pipes[self::STDOUT]) && is_resource($this->pipes[self::STDOUT])) {
|
2012-03-21 16:58:02 +00:00
|
|
|
$this->addOutput(stream_get_contents($this->pipes[self::STDOUT]));
|
|
|
|
}
|
|
|
|
}
|
2012-05-24 18:53:48 +01:00
|
|
|
|
2012-09-09 15:38:21 +01:00
|
|
|
/**
|
|
|
|
* Return whether PHP has been compiled with the '--enable-sigchild' option or not
|
|
|
|
*
|
|
|
|
* @return Boolean
|
|
|
|
*/
|
|
|
|
protected function isSigchildEnabled()
|
|
|
|
{
|
|
|
|
if (null !== self::$sigchild) {
|
|
|
|
return self::$sigchild;
|
|
|
|
}
|
|
|
|
|
|
|
|
ob_start();
|
|
|
|
phpinfo(INFO_GENERAL);
|
|
|
|
|
|
|
|
return self::$sigchild = false !== strpos(ob_get_clean(), '--enable-sigchild');
|
|
|
|
}
|
|
|
|
|
2012-05-24 18:53:48 +01:00
|
|
|
/**
|
|
|
|
* Handles the windows file handles fallbacks
|
|
|
|
*
|
2012-09-07 22:36:28 +01:00
|
|
|
* @param callable $callback A valid PHP callback
|
2012-05-24 18:53:48 +01:00
|
|
|
* @param Boolean $closeEmptyHandles if true, handles that are empty will be assumed closed
|
|
|
|
*/
|
|
|
|
private function processFileHandles($callback, $closeEmptyHandles = false)
|
|
|
|
{
|
|
|
|
$fh = $this->fileHandles;
|
|
|
|
foreach ($fh as $type => $fileHandle) {
|
|
|
|
fseek($fileHandle, $this->readBytes[$type]);
|
|
|
|
$data = fread($fileHandle, 8192);
|
|
|
|
if (strlen($data) > 0) {
|
|
|
|
$this->readBytes[$type] += strlen($data);
|
|
|
|
call_user_func($callback, $type == 1 ? self::OUT : self::ERR, $data);
|
|
|
|
}
|
|
|
|
if (false === $data || ($closeEmptyHandles && '' === $data && feof($fileHandle))) {
|
|
|
|
fclose($fileHandle);
|
|
|
|
unset($this->fileHandles[$type]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2010-04-17 13:49:58 +01:00
|
|
|
}
|