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<?php |
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namespace cvweiss\projectbase; |
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class Job |
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{ |
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public static function doJobs($timeout = 60):bool |
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{ |
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self::addJobs(); |
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$maxChildren = Config::getInstance()->get("maxJobChildren", 20); |
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$time = time() + $timeout; |
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$redis = Redis::get(); |
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$queueJobs = new JobQueue($redis); |
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$children = []; |
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while (time() <= $time) { |
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$job = $queueJobs->pop(); |
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$pid = ($job === null) ? 0 : pcntl_fork(); |
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if ($job !== null && $pid === 0) return self::runJob($job); |
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$children[$pid] = true; |
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self::checkChildren($maxChildren, $children); |
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} |
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return false; |
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} |
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private static function checkChildren(int $maxChildren, array &$children) |
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{ |
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while (count($children) > $maxChildren) { |
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$status = null; |
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$pidDone = pcntl_waitpid(0, $status); |
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unset($children[$pidDone]); |
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} |
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} |
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private static function runJob($job):bool |
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{ |
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if ($job !== null) { |
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$class = new $job['class']; |
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$function = $job['function']; |
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\cli_set_process_title('php cron.php ' . $job['class'] . '->' . $function); |
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$args = $job['args']; |
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$class->$function($args); |
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} |
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return true; |
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} |
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public static function addJobs() |
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{ |
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if (Redis::canRun(__CLASS__) === false) return; |
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$jobs = Config::getInstance()->get("cronjobs", []); |
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foreach ($jobs as $className) { |
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self::checkClass('\\' . $className); |
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} |
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} |
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private static function checkClass($className) |
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{ |
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$class = new $className(); |
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if (!($class instanceof CronJob)) throw new IllegalException("$className is not an instanceof \\cvweiss\projectbase\\CronJob"); |
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$cron = \Cron\CronExpression::factory($class->getCron()); |
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if ($cron->isDue() && get_class($class) != basename(__CLASS__)) { |
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self::addJob($className, 'execute', []); |
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} |
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} |
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public static function addJob(string $className, string $function, array $args = [], int $priority = 0) |
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{ |
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$redis = Redis::get(); |
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$queueJobs = new JobQueue($redis); |
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$job = ['class' => $className, 'function' => $function, 'args' => $args]; |
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$queueJobs->push($job, $priority); |
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} |
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} |
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cvweiss /
projectbase
