/**
* Return's the singleton instance.
*
* @return \AppserverIo\Appserver\Core\Utilities\Runlevels The singleton instance
*/
public static function singleton()
{
if (Runlevels::$instance == null) {
Runlevels::$instance = new Runlevels();
}
return Runlevels::$instance;
}
$namingDirectory->createSubdirectory('php:env');
$namingDirectory->createSubdirectory('php:env/args');
$namingDirectory->createSubdirectory('php:global');
$namingDirectory->createSubdirectory('php:global/log');
$namingDirectory->createSubdirectory('php:services');
// create the default subdirectories
foreach (array_keys(Runlevels::singleton()->getRunlevels()) as $runlevel) {
$namingDirectory->createSubdirectory(sprintf('php:services/%s', $runlevel));
}
// bind the command line arguments to the naming directory
foreach ($arguments as $name => $value) {
$namingDirectory->bind(sprintf('php:env/args/%s', $name), empty($value) ? true : $value);
}
// bind the current user to the naming directory
$namingDirectory->bind('php:env/currentUser', isset($_SERVER['SUDO_USER']) ? $_SERVER['SUDO_USER'] : get_current_user());
// bind the path to the default configuration and bootstrap filenames
$namingDirectory->bind('php:env/configurationFilename', DirectoryKeys::realpath($filename));
$namingDirectory->bind('php:env/bootstrapConfigurationFilename', DirectoryKeys::realpath($bootstrapFilename));
// add the storeage containers for the runlevels
$runlevels = new GenericStackable();
foreach (Runlevels::singleton()->getRunlevels() as $runlevel) {
$runlevels[$runlevel] = new GenericStackable();
}
// initialize and start the application server
$applicationServer = ApplicationServer::singleton($namingDirectory, $runlevels);
// we've to wait for shutdown
while ($applicationServer->keepRunning()) {
sleep(1);
}
// wait until all threads have been stopped
$applicationServer->join();
/**
* Translates and returns the runlevel of the passed a string representation.
*
* @param string $runlevel The string representation of the runlevel to return
*
* @return integer The runlevel of the passed string representation
*
* @throws \Exception Is thrown if the passed string representation is not a valid runlevel
*/
public function runlevelFromString($runlevel)
{
// query whether the passed string representation is a valid runlevel
if (Runlevels::singleton()->isRunlevel($runlevel)) {
return Runlevels::singleton()->getRunlevel($runlevel);
}
// throw an exception if the runlevel is unknown
throw new \Exception(sprintf('Request invalid runlevel to string conversion for %s', $runlevel));
}
