Kohana_Auth::complete_login PHP Method

    protected function complete_login($user)
    {
        // Regenerate session_id
        $this->_session->regenerate();
        // Store username in session
        $this->_session->set($this->_config['session_key'], $user);
        return TRUE;
    }

 /**
  * @param Model_User $user
  *
  * @return bool
  */
 public function complete_login($user)
 {
     if ($user) {
         $user->accesstime = date('Y-m-d H:i:s');
         $user->ip = Request::$client_ip;
         $user->save();
     }
     return parent::complete_login($user);
 }