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<?php |
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namespace PHPFastCGI\FastCGIDaemon\Command; |
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use PHPFastCGI\FastCGIDaemon\DaemonInterface; |
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use PHPFastCGI\FastCGIDaemon\DaemonOptions; |
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use PHPFastCGI\FastCGIDaemon\Driver\DriverContainerInterface; |
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use PHPFastCGI\FastCGIDaemon\KernelInterface; |
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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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use Symfony\Component\Console\Logger\ConsoleLogger; |
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class DaemonRunCommand extends Command |
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{ |
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const DEFAULT_NAME = 'run'; |
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const DEFAULT_DESCRIPTION = 'Run the FastCGI daemon'; |
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/** |
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* @var KernelInterface |
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*/ |
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private $kernel; |
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/** |
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* @var DriverContainerInterface |
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*/ |
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private $driverContainer; |
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/** |
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* @var DaemonInterface |
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*/ |
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private $daemon; |
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/** |
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* Constructor. |
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* |
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* @param KernelInterface $kernel The kernel to be given to the daemon |
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* @param DriverContainerInterface $driverContainer The driver container |
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* @param string $name The name of the daemon run command |
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* @param string $description The description of the daemon run command |
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*/ |
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public function __construct(KernelInterface $kernel, DriverContainerInterface $driverContainer, $name = null, $description = null) |
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{ |
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$this->kernel = $kernel; |
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$this->driverContainer = $driverContainer; |
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$this->daemon = null; |
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$name = $name ?: self::DEFAULT_NAME; |
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$description = $description ?: self::DEFAULT_DESCRIPTION; |
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parent::__construct($name); |
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$this |
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->setDescription($description) |
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->addOption('port', null, InputOption::VALUE_OPTIONAL, 'TCP port to listen on (if not present, daemon will listen on FCGI_LISTENSOCK_FILENO)') |
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->addOption('host', null, InputOption::VALUE_OPTIONAL, 'TCP host to listen on') |
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->addOption('fd', null, InputOption::VALUE_OPTIONAL, 'File descriptor to listen on - defaults to FCGI_LISTENSOCK_FILENO', DaemonInterface::FCGI_LISTENSOCK_FILENO) |
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->addOption('request-limit', null, InputOption::VALUE_OPTIONAL, 'The maximum number of requests to handle before shutting down') |
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->addOption('memory-limit', null, InputOption::VALUE_OPTIONAL, 'The memory limit on the daemon instance before shutting down') |
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->addOption('time-limit', null, InputOption::VALUE_OPTIONAL, 'The time limit on the daemon in seconds before shutting down') |
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->addOption('driver', null, InputOption::VALUE_OPTIONAL, 'The implementation of the FastCGI protocol to use', 'userland'); |
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} |
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/** |
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* Creates a daemon configuration object from the Symfony command input and |
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* output objects. |
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* |
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* @param InputInterface $input The Symfony command input |
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* @param OutputInterface $output The Symfony command output |
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* |
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* @return DaemonOptions The daemon configuration |
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*/ |
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private function getDaemonOptions(InputInterface $input, OutputInterface $output) |
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{ |
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$logger = new ConsoleLogger($output); |
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$requestLimit = $input->getOption('request-limit') ?: DaemonOptions::NO_LIMIT; |
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$memoryLimit = $input->getOption('memory-limit') ?: DaemonOptions::NO_LIMIT; |
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$timeLimit = $input->getOption('time-limit') ?: DaemonOptions::NO_LIMIT; |
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return new DaemonOptions([ |
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DaemonOptions::LOGGER => $logger, |
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DaemonOptions::REQUEST_LIMIT => $requestLimit, |
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DaemonOptions::MEMORY_LIMIT => $memoryLimit, |
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DaemonOptions::TIME_LIMIT => $timeLimit, |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$port = $input->getOption('port'); |
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$host = $input->getOption('host'); |
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$fd = $input->getOption('fd'); |
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$daemonOptions = $this->getDaemonOptions($input, $output); |
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$driver = $input->getOption('driver'); |
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$daemonFactory = $this->driverContainer->getFactory($driver); |
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if (null !== $port) { |
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// If we have the port, create a TCP daemon |
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$this->daemon = $daemonFactory->createTcpDaemon($this->kernel, $daemonOptions, $host ?: 'localhost', $port); |
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} elseif (null !== $host) { |
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// If we have the host but not the port, we cant create a TCP daemon - throw exception |
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throw new \InvalidArgumentException('TCP port option must be set if host option is set'); |
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} else { |
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// With no host or port, listen on FCGI_LISTENSOCK_FILENO (default) |
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$this->daemon = $daemonFactory->createDaemon($this->kernel, $daemonOptions, $fd); |
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} |
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$this->daemon->run(); |
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} |
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/** |
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* Flag the daemon for shutdown. |
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*/ |
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public function flagShutdown() |
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{ |
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if (null === $this->daemon) { |
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throw new \RuntimeException('There is no daemon running'); |
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} |
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$this->daemon->flagShutdown(); |
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} |
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} |
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PHPFastCGI /
FastCGIDaemon
