91 lines
3.4 KiB
PHP
91 lines
3.4 KiB
PHP
<?php
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namespace JeroenED\Webcron\Command;
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use JeroenED\Framework\Kernel;
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use JeroenED\Webcron\Repository\Job;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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class DaemonCommand extends Command
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{
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protected static $defaultName = 'daemon';
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protected $kernel;
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public function __construct(Kernel $kernel)
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{
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$this->kernel = $kernel;
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parent::__construct();
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}
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protected function configure()
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{
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$this
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->setDescription('The deamon slayer of webcron')
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->setHelp('This command is the daemon process of webcron, enabling webcron to actually run jobs on time')
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->addOption('time-limit', 't', InputOption::VALUE_REQUIRED, 'Time limit in seconds before stopping the daemon.');
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}
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$jobRepo = new Job($this->kernel->getDbCon());
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$timelimit = $input->getOption('time-limit') ?? false;
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if ($timelimit === false) {
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$endofscript = false;
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} elseif(is_numeric($timelimit)) {
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$endofscript = time() + $timelimit;
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} else {
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throw new \InvalidArgumentException('Time limit has incorrect value');
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}
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$jobRepo->unlockJob();
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touch($this->kernel->getCacheDir() . '/daemon-running.lock');
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while(1) {
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if($endofscript !== false && time() > $endofscript) break;
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$maxwait = time() + 10;
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$nextrun = $jobRepo->getTimeOfNextRun();
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$sleepuntil = min($maxwait, $nextrun);
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if($sleepuntil > time()) time_sleep_until($sleepuntil);
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$jobsToRun = $jobRepo->getJobsDue();
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if(!empty($jobsToRun)) {
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foreach($jobsToRun as $job) {
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$jobObj = $jobRepo->getJob($job['id']);
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if($jobObj['data']['crontype'] == 'reboot') {
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$str = @file_get_contents('/proc/uptime');
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$num = floatval($str);
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$rebootedself = ($num < $jobObj['data']['reboot-duration'] * 60);
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$consolerun = $jobRepo->getTempVar($job['id'], 'consolerun', false);
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if($consolerun && !$rebootedself) continue;
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}
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$jobRepo->setJobRunning($job['id'], true);
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$output->writeln('Running Job ' . $job['id']);
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declare(ticks = 1);
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pcntl_signal(SIGCHLD, SIG_IGN);
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$pid = pcntl_fork();
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$jobRepo = NULL;
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$jobRepo = new Job($this->kernel->getNewDbCon());
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if($pid == -1) {
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$jobRepo->RunJob($job['id'], $job['running'] == 2);
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$jobRepo->setJobRunning($job['id'], false);
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} elseif ($pid == 0) {
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$jobRepo->RunJob($job['id'], $job['running'] == 2);
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$jobRepo->setJobRunning($job['id'], false);
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exit;
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}
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}
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}
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}
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$output->writeln('Ended after ' . $timelimit . ' seconds');
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pcntl_wait($status);
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unlink($this->kernel->getCacheDir() . '/daemon-running.lock');
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return Command::SUCCESS;
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}
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}
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