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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021, Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Core\Command\Background;
use OC\Core\Command\InterruptedException;
use OCP\ITempManager;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class JobWorker extends JobBase {
protected function configure(): void {
parent::configure();
$this
->setName('background-job:worker')
->setDescription('Run a background job worker')
->addArgument(
'job-class',
InputArgument::OPTIONAL,
'The class of the job in the database'
)
->addOption(
'once',
null,
InputOption::VALUE_NONE,
'Only execute the worker once (as a regular cron execution would do it)'
)
->addOption(
'interval',
'i',
InputOption::VALUE_OPTIONAL,
'Interval in seconds in which the worker should repeat already processed jobs (set to 0 for no repeat)',
5
)
;
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$jobClass = $input->getArgument('job-class');
if ($jobClass && !class_exists($jobClass)) {
$output->writeln('<error>Invalid job class</error>');
return 1;
}
while (true) {
// Handle canceling of the process
try {
$this->abortIfInterrupted();
} catch (InterruptedException $e) {
$output->writeln('<info>Background job worker stopped</info>');
break;
}
$this->printSummary($input, $output);
usleep(50000);
$job = $this->jobList->getNext(false, $jobClass);
if (!$job) {
if ($input->getOption('once') === true) {
break;
}
$output->writeln("Waiting for new jobs to be queued", OutputInterface::VERBOSITY_VERBOSE);
// Re-check interval for new jobs
sleep(1);
continue;
}
$output->writeln("Running job " . get_class($job) . " with ID " . $job->getId());
if ($output->isVerbose()) {
$this->printJobInfo($job->getId(), $job, $output);
}
$job->start($this->jobList);
// clean up after unclean jobs
\OC_Util::tearDownFS();
\OC::$server->get(ITempManager::class)->clean();
$this->jobList->setLastJob($job);
$this->jobList->unlockJob($job);
if ($input->getOption('once') === true) {
break;
}
}
return 0;
}
private function printSummary(InputInterface $input, OutputInterface $output): void {
if (!$output->isVeryVerbose()) {
return;
}
$output->writeln("<comment>Summary</comment>");
$counts = [];
foreach ($this->jobList->countByClass() as $row) {
$counts[] = $row;
}
$this->writeTableInOutputFormat($input, $output, $counts);
}
}
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