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<?php |
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declare(strict_types=1); |
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namespace Async; |
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use SuperClosure\Serializer; |
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use Symfony\Component\Console\Exception\InvalidArgumentException; |
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class AsyncCall |
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{ |
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private const CONSOLE_LOCATION = __DIR__ . '/../../bin/console'; |
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/** |
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* @var bool |
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*/ |
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private static $shutdownFunctionRegistered = false; |
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/** |
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* @var AsyncProcess[] |
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*/ |
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private static $processList = []; |
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/** |
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* @var Serializer |
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*/ |
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private static $serializer; |
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/** |
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* @var int |
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*/ |
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private static $processesLimit = 0; |
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private static $processAmount = 0; |
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public static function setProcessLimit(int $processesLimit): void |
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{ |
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if ($processesLimit < 0) { |
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throw new InvalidArgumentException('Processes limit Must be positive integer'); |
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} |
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self::$processesLimit = $processesLimit; |
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} |
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public static function run( |
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callable $job, |
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callable $callback = null, |
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callable $onError = null, |
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float $timeout = null, |
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float $idleTimeout = null |
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): void { |
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self::registerShutdownFunction(); |
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if (!self::$serializer) { |
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self::$serializer = new Serializer(); |
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} |
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// we got process limit so wait for them to finish |
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if (0 !== self::$processesLimit && self::$processesLimit >= self::$processAmount) { |
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self::waitForProcessesToFinish(self::$processesLimit); |
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} |
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$process = new AsyncProcess( |
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[ |
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self::CONSOLE_LOCATION, |
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AsyncChildCommand::COMMAND_NAME, |
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base64_encode(self::$serializer->serialize($job)) |
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] |
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); |
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$process->setTimeout($timeout); |
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$process->setIdleTimeout($idleTimeout); |
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$process->startJob($callback, $onError); |
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self::$processList[] = $process; |
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self::$processAmount++; |
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} |
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private static function registerShutdownFunction(): void |
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{ |
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if (!self::$shutdownFunctionRegistered) { |
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register_shutdown_function( |
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static function () { |
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self::waitForProcessesToFinish(); |
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} |
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); |
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self::$shutdownFunctionRegistered = true; |
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} |
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} |
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private static function waitForProcessesToFinish(int $maxProcessToWait = 0): void |
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{ |
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for (; ;) { |
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if (0 === self::$processAmount || $maxProcessToWait > self::$processAmount) { |
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break; |
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} |
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foreach (self::$processList as $i => $process) { |
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if ( |
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$process->getStatus() === AsyncProcess::STATUS_TERMINATED || |
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(!$process->hasCallbackSet() && !$process->hasOnErrorSet()) |
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) { |
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unset(self::$processList[$i]); |
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self::$processAmount--; |
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continue; |
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} |
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} |
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} |
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} |
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} |