/**
* Returns instance of session object. If session id is not defined,
* the {@link find} method will be called.
*
* Use it to get current session.
*
* @return SessionBase
*/
public static function getInstance()
{
//always initialized first by the Boot.php
if (is_null(self::$instance)) {
throw new SessionException("Session subsystem wasn't initialized in proper way. Check session.enabled config variable.");
}
if (self::$instance->getId() === null) {
self::$instance->find();
}
//may return null in case if session_enbaled is false
return self::$instance;
}
/**
* Bootstrap Running Component
*
* @param integer $rc, Running Component,
* optional value: RC_NONE,RC_DATABASE,RC_MEMCACHE,RC_SESSION,RC_ALL
* or: RC_DATABASE | RC_MEMCACHE | RC_SESSION
* or: RC_ALL ^ RC_MEMCACHE ^ RC_SESSION
* or: RC_ALL & ~RC_MEMCACHE & ~RC_SESSION
* @return SimPHP
*/
public function boot($rc = RC_NONE)
{
if ($rc > 0) {
//$rc_set = [RC_NONE,RC_DATABASE,RC_MEMCACHE,RC_SESSION,RC_ALL];
if ((RC_DATABASE & $rc) === RC_DATABASE) {
//Bootstrap with db
D();
}
if ((RC_MEMCACHE & $rc) === RC_MEMCACHE) {
//Bootstrap with memcache
M();
}
if ((RC_SESSION & $rc) === RC_SESSION) {
//Bootstrap with session
$GLOBALS['user'] = new stdClass();
SessionBase::anonymous_user($GLOBALS['user']);
$sessnode = $this->sessnode;
$sess_handler = Config::get("storage.session.{$sessnode}.handler", 'file');
if ('mm' == $sess_handler) {
self::$session = new SessionMM($sessnode);
} elseif ('db' == $sess_handler) {
self::$session = new SessionDB($sessnode);
} else {
// default to file session
session_start();
}
}
}
return $this;
}
