<?php
use Comos\Qpm\Supervision\Supervisor;
use Comos\Qpm\Process\Runnable;
use Comos\Qpm\Log\Logger;
require __DIR__ . '/bootstrap.inc.php';
Logger::useSimpleLogger(__FILE__ . '.log');
class Task implements Runnable
{
private $stop = false;
public function run()
{
declare (ticks=1);
pcntl_signal(SIGTERM, array($this, 'onTerm'));
echo "B";
while (!$this->stop) {
sleep(1);
echo '.';
}
echo "BYE\n";
}
public function onTerm()
{
echo "TERM\n";
$this->stop = true;
}
}
Supervisor::taskFactoryMode(array('timeout' => 5, 'termTimeout' => 1, 'quantity' => 3, 'worker' => 'Task'))->start();
/**
* to fork to create a process and run $target in there
*
* @param
* Runnable | \callable $target
* @return ChildProcess
* @throws \InvalidArgumentException
*/
public static function fork($target)
{
if (!\is_callable($target) && !$target instanceof Runnable) {
throw new \InvalidArgumentException('$target must be a valid callback or Comos\\Qpm\\Process\\Runnable');
}
$pid = \pcntl_fork();
if ($pid == -1) {
throw new FailToForkException('fail to folk.');
}
if ($pid == 0) {
try {
if ($target instanceof Runnable) {
$code = $target->run();
} else {
$code = \call_user_func($target);
}
} catch (\Exception $ex) {
Logger::err($ex);
$code = -1;
}
if (\is_null($code)) {
$code = 0;
} elseif (!\is_int($code)) {
$code = 1;
}
exit($code);
}
return new ChildProcess($pid, self::getCurrentPid());
}
/**
*
* @return boolean
*/
private function invokeOnTimeout()
{
$onTimeout = $this->getConfig()->getOnTimeout();
if (!$onTimeout) {
return false;
}
try {
\call_user_func($onTimeout, $this->getProcess());
} catch (\Exception $e) {
\Comos\Qpm\Log\Logger::err($e);
return false;
}
return true;
}
protected function tearDown()
{
Logger::useNullLogger();
@unlink($this->_logFile);
parent::tearDown();
}
public function stop()
{
Logger::debug(__CLASS__ . '::' . __METHOD__ . '()');
if (!$this->_currentProcess->isCurrent()) {
return;
}
$this->_stoped = true;
foreach ($this->_children as $child) {
try {
$child->getProcess()->kill();
} catch (Exception $ex) {
Logger::err($ex);
}
}
$this->_waitToEnd();
}
public function stop()
{
Logger::debug(__METHOD__ . ' before-stop');
$this->_keeper->stop();
Logger::debug(__METHOD__ . ' after-stop');
}
public function stop()
{
if (!$this->_currentProcess->isCurrent()) {
return;
}
$this->_stoped = true;
foreach ($this->_children as $stub) {
try {
$stub->getProcess()->kill();
} catch (\Exception $ex) {
Logger::err('fail to kill process', array('exception' => $ex));
}
}
while (count($this->_children)) {
$status = 0;
$pid = \pcntl_wait($status);
unset($this->_children[$pid]);
}
}
