SIPSorcery.SIP.App.SIPProviderBinding.SetProviderFields C# (CSharp) Method

        public void SetProviderFields(SIPProvider sipProvider)
        {
            m_providerId = sipProvider.Id;
            m_owner = sipProvider.Owner;
            AdminMemberId = sipProvider.AdminMemberId;
            ProviderName = sipProvider.ProviderName;
            ProviderAuthUsername = (!sipProvider.ProviderAuthUsername.IsNullOrBlank()) ? sipProvider.ProviderAuthUsername : sipProvider.ProviderUsername;
            ProviderPassword = sipProvider.ProviderPassword;
            RegistrarServer = sipProvider.Registrar.CopyOf();
            RegistrarRealm = (!sipProvider.RegisterRealm.IsNullOrBlank()) ? sipProvider.RegisterRealm : RegistrarServer.Host;
            ProviderOutboundProxy = sipProvider.ProviderOutboundProxy;
            SendMWISubscribe = sipProvider.SendMWISubscribe;

            if (sipProvider.RegisterEnabled)
            {
                BindingExpiry = sipProvider.RegisterExpiry;
            }
            else
            {
                BindingExpiry = 0;
            }

            string bindingId = null;
            if (m_bindingURI != null && m_bindingURI.Parameters.Has(REGAGENT_CONTACT_ID_KEY))
            {
                bindingId = m_bindingURI.Parameters.Get(REGAGENT_CONTACT_ID_KEY);
            }

            if (!sipProvider.RegisterContact.IsNullOrBlank())
            {
                m_bindingURI = SIPURI.ParseSIPURI(sipProvider.RegisterContact);
                if (!bindingId.IsNullOrBlank())
                {
                    m_bindingURI.Parameters.Set(REGAGENT_CONTACT_ID_KEY, bindingId);
                }
            }
            else
            {
                // The register contact field on the SIP Provider is empty.
                // This condition needs to be trearted as the binding being disabled and it needs to be removed.
                BindingExpiry = 0;
            }
        }

        public void SIPProviderUpdated(SIPProvider sipProvider)
        {
            try
            {
                logger.Debug("SIPProviderBindingSynchroniser SIPProviderUpdated for " + sipProvider.Owner + " and " + sipProvider.ProviderName + ".");

                SIPProviderBinding existingBinding = m_bindingPersistor.Get(b => b.ProviderId == sipProvider.Id);

                if (sipProvider.RegisterEnabled)
                {
                    if (existingBinding == null)
                    {
                        SIPProviderBinding newBinding = new SIPProviderBinding(sipProvider);
                        m_bindingPersistor.Add(newBinding);
                    }
                    else
                    {
                        existingBinding.SetProviderFields(sipProvider);
                        existingBinding.NextRegistrationTime = DateTime.UtcNow;
                        m_bindingPersistor.Update(existingBinding);
                    }
                }
                else
                {
                    if (existingBinding != null)
                    {
                        if (existingBinding.IsRegistered)
                        {
                            // Let the registration agent know the existing binding should be expired.
                            existingBinding.BindingExpiry        = 0;
                            existingBinding.NextRegistrationTime = DateTime.UtcNow;
                            m_bindingPersistor.Update(existingBinding);
                        }
                        else
                        {
                            m_bindingPersistor.Delete(existingBinding);
                        }
                    }
                }
            }
            catch (Exception excp)
            {
                logger.Error("Exception SIPProviderBindingSynchroniser SIPProviderUpdated. " + excp.Message);
            }
        }