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<?php |
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namespace Spatie\Async; |
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use Exception; |
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use Spatie\Async\Output\ErrorProcessOutput; |
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use Spatie\Async\Output\ProcessOutput; |
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use Throwable; |
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class Runtime |
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{ |
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protected $maximumExecutionTime = 300; |
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public function maximumExecutionTime(int $maximumExecutionTime): self |
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{ |
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$this->maximumExecutionTime = $maximumExecutionTime; |
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return $this; |
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} |
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public function start(Process $process): Process |
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{ |
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socket_create_pair(AF_UNIX, SOCK_STREAM, 0, $sockets); |
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[$parentSocket, $childSocket] = $sockets; |
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if (($pid = pcntl_fork()) == 0) { |
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socket_close($childSocket); |
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$this->executeChildProcess($parentSocket, $process); |
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exit; |
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} |
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socket_close($parentSocket); |
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return $process |
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->setPid($pid) |
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->setSocket($childSocket) |
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->setStartTime(time()); |
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} |
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public function handleFinishedProcess(Process $process): bool |
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{ |
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$output = $this->readProcessOutputFromSocket($process); |
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if (!$output->isSuccess()) { |
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$process->triggerError($output->payload()); |
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return false; |
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} |
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$process->triggerSuccess($output->payload()); |
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return true; |
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} |
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public function handleRunningProcess(Process $process, $status): bool |
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{ |
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if ($process->startTime() + $this->maximumExecutionTime < time() || pcntl_wifstopped($status)) { |
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if (! posix_kill($process->pid(), SIGKILL)) { |
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throw new Exception("Failed to kill {$process->pid()}: ".posix_strerror(posix_get_last_error())); |
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} |
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$process->triggerTimeout(); |
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return false; |
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} |
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return true; |
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} |
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protected function executeChildProcess($parentSocket, Process $process): void |
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{ |
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try { |
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$output = ProcessOutput::create($process->execute())->setSuccess(); |
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} catch (Throwable $e) { |
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$output = ErrorProcessOutput::create($e); |
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} |
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socket_write($parentSocket, $output->serialize()); |
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socket_close($parentSocket); |
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} |
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protected function readProcessOutputFromSocket(Process $process): ProcessOutput |
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{ |
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$rawOutput = ''; |
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while ($buffer = socket_read($process->socket(), 1024)) { |
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$rawOutput .= $buffer; |
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} |
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$output = unserialize($rawOutput); |
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socket_close($process->socket()); |
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return $output; |
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} |
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} |
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spatie /
async
Loading history...
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.