/**
* Retrieve the track ID we should use for logging. It is used to avoid infinite recursion between the logger class
* and the session class.
*
* @return string The track ID we should use for logging, or 'NA' if we detect recursion.
*/
private static function getTrackId()
{
if (self::$trackid === self::$TRACKID_FETCHING) {
// recursion detected!
return 'NA';
}
if (self::$trackid === NULL) {
// no track ID yet, fetch it from the session class
// mark it as currently being fetched
self::$trackid = self::$TRACKID_FETCHING;
// get the current session. This could cause recursion back to the logger class
$session = SimpleSAML_Session::getSessionFromRequest();
// update the track ID
self::$trackid = $session->getTrackID();
}
assert('is_string(self::$trackid)');
return self::$trackid;
}
/**
* Retrieve the trackid we should use for logging.
*
* It is used to avoid infinite recursion between the logger class and the session class.
*
* @return The trackid we should use for logging, or 'NA' if we detect recursion.
*/
private static function getTrackId()
{
if (self::$trackid === self::$TRACKID_FETCHING) {
/* Recursion detected. */
return 'NA';
}
if (self::$trackid === NULL) {
/* No trackid yet, fetch it from the session class. */
/* Mark it as currently being fetched. */
self::$trackid = self::$TRACKID_FETCHING;
/* Get the current session. This could cause recursion back to the logger class. */
$session = SimpleSAML_Session::getInstance();
/* Update the trackid. */
self::$trackid = $session->getTrackId();
}
assert('is_string(self::$trackid)');
return self::$trackid;
}
/**
* Flush any pending log messages to the logging handler.
*
* This method is intended to be registered as a shutdown handler, so that any pending messages that weren't sent
* to the logging handler at that point, can still make it. It is therefore not intended to be called manually.
*
*/
public static function flush()
{
$s = SimpleSAML_Session::getSessionFromRequest();
self::$trackid = $s->getTrackID();
self::$shuttingDown = true;
foreach (self::$earlyLog as $msg) {
self::log($msg['level'], $msg['string'], $msg['statsLog']);
}
}