Opc.Ua.Server.StandardServer.OnRegisterServer C# (CSharp) Method

        private void OnRegisterServer(object state)
        {
            try
            {
                lock (m_registrationLock)
                {  
                    // halt any outstanding timer.
                    if (m_registrationTimer != null)
                    {
                        m_registrationTimer.Dispose();
                        m_registrationTimer = null;
                    }
                }

                if (RegisterWithDiscoveryServer())
                {
                    // schedule next registration.
                    lock (m_registrationLock)
                    {  
                        if (m_maxRegistrationInterval > 0)
                        {
                            m_registrationTimer = new Timer(
                                OnRegisterServer, 
                                this, 
                                m_maxRegistrationInterval, 
                                Timeout.Infinite);

                            m_lastRegistrationInterval = m_minRegistrationInterval;
                            Utils.Trace("Register server succeeded. Registering again in {0} ms", m_maxRegistrationInterval);
                        }
                    }
                }
                else
                {
                    lock (m_registrationLock)
                    {  
                        if (m_registrationTimer == null)
                        {
                            // calculate next registration attempt.
                            m_lastRegistrationInterval *= 2;

                            if (m_lastRegistrationInterval > m_maxRegistrationInterval)
                            {
                                m_lastRegistrationInterval = m_maxRegistrationInterval;
                            }

                            Utils.Trace("Register server failed. Trying again in {0} ms", m_lastRegistrationInterval);
                                      
                            // create timer.        
                            m_registrationTimer = new Timer(OnRegisterServer, this, m_lastRegistrationInterval, Timeout.Infinite);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Utils.Trace(e, "Unexpected exception handling registration timer.");
            }
        }
        #endregion