Sets whether or not Windows compatibility is enabled.
| public setEnhanceWindowsCompatibility ( boolean $enhance ) : self | ||
| $enhance | boolean | |
| return | self | The current Process instance |
/**
* Starts a wiremock process.
*
* @param string $jarPath
* @param string $logsPath
* @param string $arguments
*
* @throws \Exception
*/
public function start($ip, $port, $path, $logsPath, $debug)
{
$phiremockPath = is_file($path) ? $path : "{$path}/phiremock";
$this->process = new Process($this->getCommandPrefix() . "{$phiremockPath} -i {$ip} -p {$port}" . ($debug ? ' -d' : ''));
if ($debug) {
echo 'Executing: ' . $this->process->getCommandLine() . PHP_EOL;
}
$logFile = $logsPath . DIRECTORY_SEPARATOR . self::LOG_FILE_NAME;
$this->process->start(function ($type, $buffer) use($logFile) {
file_put_contents($logFile, $buffer, FILE_APPEND);
});
$this->process->setEnhanceSigchildCompatibility(true);
if ($this->isWindows()) {
$this->process->setEnhanceWindowsCompatibility(true);
}
}
public function run()
{
$connected = $this->start();
$this->debug('started');
$forks = array();
if ($connected) {
try {
$this->debug('connected');
$work = $this->work();
$this->debug('after init work generator');
/**
* Until next job maximum 1 zombie process might be hanging,
* we cleanup-up zombies when receiving next job
*/
foreach ($work as $taskId => $payload) {
$this->debug('got some work');
$message = @unserialize($payload);
$processed = true;
if (!$message instanceof \BackQ\Message\Process) {
$work->send($processed);
@error_log('Worker does not support payload of: ' . gettype($message));
} else {
try {
$this->debug('job timeout=' . $message->getTimeout());
/**
* Enclosure in anonymous function
*
* ZOMBIE WARNING
* @see http://stackoverflow.com/questions/29037880/start-a-background-symfony-process-from-symfony-console
*
* All the methods that returns results or use results probed by proc_get_status might be wrong
* @see https://github.com/symfony/symfony/issues/5759
*
* @tip use PHP_BINARY for php path
*/
$run = function () use($message) {
$this->debug('launching ' . $message->getCommandline());
$process = new \Symfony\Component\Process\Process($message->getCommandline(), $message->getCwd(), $message->getEnv(), $message->getInput(), $message->getTimeout(), $message->getOptions());
/**
* no win support here
*/
$process->setEnhanceWindowsCompatibility(false);
/**
* ultimately also disables callbacks
*/
$process->disableOutput();
/**
* Execute call
* proc_open($commandline, $descriptors, $this->processPipes->pipes, $this->cwd, $this->env, $this->options);
*
* @throws RuntimeException When process can't be launched
*/
$process->start();
return $process;
};
/**
* Loop over previous forks and gracefully stop/close them,
* doing this before pushing new fork in the pool
*/
if (!empty($forks)) {
foreach ($forks as $f) {
try {
/**
* here we PREVENTs ZOMBIES
* isRunning itself closes the process if its ended (not running)
* use `pstree` to look out for zombies
*/
if ($f->isRunning()) {
/**
* If its still running, check the timeouts
*/
$f->checkTimeout();
}
} catch (ProcessTimedOutException $e) {
}
}
}
$forks[] = $run();
} catch (\Exception $e) {
/**
* Not caching exceptions, just launching processes async
*/
@error_log('Process worker failed to run: ' . $e->getMessage());
}
$work->send(true === $processed);
if (true !== $processed) {
/**
* Worker not reliable, quitting
*/
throw new \RuntimeException('Worker not reliable, failed to process task: ' . $processed);
}
}
}
} catch (\Exception $e) {
@error_log('Process worker exception: ' . $e->getMessage());
}
}
/**
* Keep the references to forks until the end of execution,
* attempt to close the forks nicely,
* zombies will be killed upon worker death anyway
*/
foreach ($forks as $f) {
try {
/**
* isRunning itself closes the process if its ended (not running)
*/
if ($f->isRunning()) {
/**
* stop async process
* @see http://symfony.com/doc/current/components/process.html
*/
$f->checkTimeout();
$f->stop(1, SIGINT);
if ($f->isRunning()) {
$f->signal(SIGKILL);
}
}
} catch (\Exception $e) {
}
}
$this->finish();
}
