/**
* Write session data
*
* @param string session id
* @param string session data
*/
static function _writeData($a_session_id, $a_data)
{
global $ilDB, $ilClientIniFile;
if ($GLOBALS['WEB_ACCESS_WITHOUT_SESSION']) {
// Prevent session data written for web access checker
// when no cookie was sent (e.g. for pdf files linking others).
// This would result in new session records for each request.
return false;
}
$now = time();
// prepare session data
$fields = array("user_id" => array("integer", (int) $_SESSION["AccountId"]), "expires" => array("integer", self::getExpireValue()), "data" => array("clob", $a_data), "ctime" => array("integer", $now), "type" => array("integer", (int) $_SESSION["SessionType"]));
if ($ilClientIniFile->readVariable("session", "save_ip")) {
$fields["remote_addr"] = array("text", $_SERVER["REMOTE_ADDR"]);
}
if (ilSession::_exists($a_session_id)) {
$ilDB->update("usr_session", $fields, array("session_id" => array("text", $a_session_id)));
} else {
$fields["session_id"] = array("text", $a_session_id);
$fields["createtime"] = array("integer", $now);
$ilDB->insert("usr_session", $fields);
// check type against session control
$type = $fields["type"][1];
if (in_array($type, ilSessionControl::$session_types_controlled)) {
ilSessionStatistics::createRawEntry($fields["session_id"][1], $type, $fields["createtime"][1], $fields["user_id"][1]);
}
}
// finally delete deprecated sessions
if (rand(0, 50) == 2) {
// get time _before_ destroying expired sessions
self::_destroyExpiredSessions();
ilSessionStatistics::aggretateRaw($now);
}
return true;
}
protected function adminSync()
{
global $ilCtrl, $lng;
// see ilSession::_writeData()
$now = time();
ilSession::_destroyExpiredSessions();
ilSessionStatistics::aggretateRaw($now);
ilUtil::sendSuccess($lng->txt("trac_sync_session_stats_success"), true);
$ilCtrl->redirect($this);
}
