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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Bundle\FrameworkBundle\Command;
- use Symfony\Component\Console\Input\InputArgument;
- use Symfony\Component\Console\Input\InputInterface;
- use Symfony\Component\Console\Input\InputOption;
- use Symfony\Component\Console\Output\OutputInterface;
- use Symfony\Component\Console\Style\SymfonyStyle;
- use Symfony\Component\Process\PhpExecutableFinder;
- use Symfony\Component\Process\Process;
- /**
- * Runs PHP's built-in web server in a background process.
- *
- * @author Christian Flothmann <christian.flothmann@xabbuh.de>
- */
- class ServerStartCommand extends ServerCommand
- {
- /**
- * {@inheritdoc}
- */
- protected function configure()
- {
- $this
- ->setDefinition(array(
- new InputArgument('address', InputArgument::OPTIONAL, 'Address:port', '127.0.0.1'),
- new InputOption('port', 'p', InputOption::VALUE_REQUIRED, 'Address port number', '8000'),
- new InputOption('docroot', 'd', InputOption::VALUE_REQUIRED, 'Document root', null),
- new InputOption('router', 'r', InputOption::VALUE_REQUIRED, 'Path to custom router script'),
- new InputOption('force', 'f', InputOption::VALUE_NONE, 'Force web server startup'),
- ))
- ->setName('server:start')
- ->setDescription('Starts PHP built-in web server in the background')
- ->setHelp(<<<'EOF'
- The <info>%command.name%</info> runs PHP's built-in web server:
- <info>php %command.full_name%</info>
- To change the default bind address and the default port use the <info>address</info> argument:
- <info>php %command.full_name% 127.0.0.1:8080</info>
- To change the default document root directory use the <info>--docroot</info> option:
- <info>php %command.full_name% --docroot=htdocs/</info>
- If you have a custom document root directory layout, you can specify your own
- router script using the <info>--router</info> option:
- <info>php %command.full_name% --router=app/config/router.php</info>
- Specifying a router script is required when the used environment is not <comment>"dev"</comment> or
- <comment>"prod"</comment>.
- See also: http://www.php.net/manual/en/features.commandline.webserver.php
- EOF
- )
- ;
- }
- /**
- * {@inheritdoc}
- */
- protected function execute(InputInterface $input, OutputInterface $output)
- {
- $io = new SymfonyStyle($input, $cliOutput = $output);
- if (!\extension_loaded('pcntl')) {
- $io->error(array(
- 'This command needs the pcntl extension to run.',
- 'You can either install it or use the "server:run" command instead to run the built-in web server.',
- ));
- if ($io->ask('Do you want to execute <info>server:run</info> immediately? [Yn] ', true)) {
- $command = $this->getApplication()->find('server:run');
- return $command->run($input, $cliOutput);
- }
- return 1;
- }
- $documentRoot = $input->getOption('docroot');
- if (null === $documentRoot) {
- $documentRoot = $this->getContainer()->getParameter('kernel.root_dir').'/../web';
- }
- if (!is_dir($documentRoot)) {
- $io->error(sprintf('The given document root directory "%s" does not exist.', $documentRoot));
- return 1;
- }
- $env = $this->getContainer()->getParameter('kernel.environment');
- if (false === $router = $this->determineRouterScript($input->getOption('router'), $env, $io)) {
- return 1;
- }
- $address = $input->getArgument('address');
- if (false === strpos($address, ':')) {
- $address .= ':'.$input->getOption('port');
- }
- if (!$input->getOption('force') && $this->isOtherServerProcessRunning($address)) {
- $io->error(array(
- sprintf('A process is already listening on http://%s.', $address),
- 'Use the --force option if the server process terminated unexpectedly to start a new web server process.',
- ));
- return 1;
- }
- if ('prod' === $env) {
- $io->error('Running PHP built-in server in production environment is NOT recommended!');
- }
- $pid = pcntl_fork();
- if ($pid < 0) {
- $io->error('Unable to start the server process.');
- return 1;
- }
- if ($pid > 0) {
- $io->success(sprintf('Web server listening on http://%s', $address));
- return;
- }
- if (posix_setsid() < 0) {
- $io->error('Unable to set the child process as session leader');
- return 1;
- }
- if (null === $process = $this->createServerProcess($io, $address, $documentRoot, $router)) {
- return 1;
- }
- $process->disableOutput();
- $process->start();
- $lockFile = $this->getLockFile($address);
- touch($lockFile);
- if (!$process->isRunning()) {
- $io->error('Unable to start the server process');
- unlink($lockFile);
- return 1;
- }
- // stop the web server when the lock file is removed
- while ($process->isRunning()) {
- if (!file_exists($lockFile)) {
- $process->stop();
- }
- sleep(1);
- }
- }
- /**
- * Determine the absolute file path for the router script, using the environment to choose a standard script
- * if no custom router script is specified.
- *
- * @param string|null $router File path of the custom router script, if set by the user; otherwise null
- * @param string $env The application environment
- * @param SymfonyStyle $io An SymfonyStyle instance
- *
- * @return string|bool The absolute file path of the router script, or false on failure
- */
- private function determineRouterScript($router, $env, SymfonyStyle $io)
- {
- if (null === $router) {
- $router = $this
- ->getContainer()
- ->get('kernel')
- ->locateResource(sprintf('@FrameworkBundle/Resources/config/router_%s.php', $env))
- ;
- }
- if (false === $path = realpath($router)) {
- $io->error(sprintf('The given router script "%s" does not exist.', $router));
- return false;
- }
- return $path;
- }
- /**
- * Creates a process to start PHP's built-in web server.
- *
- * @param SymfonyStyle $io A SymfonyStyle instance
- * @param string $address IP address and port to listen to
- * @param string $documentRoot The application's document root
- * @param string $router The router filename
- *
- * @return Process The process
- */
- private function createServerProcess(SymfonyStyle $io, $address, $documentRoot, $router)
- {
- $finder = new PhpExecutableFinder();
- if (false === $binary = $finder->find()) {
- $io->error('Unable to find PHP binary to start server.');
- return;
- }
- $script = implode(' ', array_map(array('Symfony\Component\Process\ProcessUtils', 'escapeArgument'), array(
- $binary,
- '-S',
- $address,
- $router,
- )));
- return new Process('exec '.$script, $documentRoot, null, null, null);
- }
- }
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