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

        protected override void StartApplication(ApplicationConfiguration configuration)
        {
            base.StartApplication(configuration);
                                        
            lock (m_lock)
            {
                try
                {
                    // create the datastore for the instance.
                    m_serverInternal = new ServerInternalData(
                        ServerProperties, 
                        configuration, 
                        MessageContext,
                        CertificateValidator,
                        InstanceCertificate);
                                        
                    // create the manager responsible for providing localized string resources.                    
                    ResourceManager resourceManager = CreateResourceManager(m_serverInternal, configuration);

                    // create the manager responsible for incoming requests.
                    RequestManager requestManager = CreateRequestManager(m_serverInternal, configuration);

                    // create the master node manager.
                    MasterNodeManager masterNodeManager = CreateMasterNodeManager(m_serverInternal, configuration);
                    
                    // add the node manager to the datastore. 
                    m_serverInternal.SetNodeManager(masterNodeManager);

                    // put the node manager into a state that allows it to be used by other objects.
                    masterNodeManager.Startup();
                    
                    // create the manager responsible for handling events.
                    EventManager eventManager = CreateEventManager(m_serverInternal, configuration);

                    // creates the server object. 
                    m_serverInternal.CreateServerObject(
                        eventManager,
                        resourceManager, 
                        requestManager);

                    // do any additional processing now that the node manager is up and running.
                    OnNodeManagerStarted(m_serverInternal);

                    // create the manager responsible for aggregates.
                    m_serverInternal.AggregateManager = CreateAggregateManager(m_serverInternal, configuration);
                    
                    // start the session manager.
                    SessionManager sessionManager = CreateSessionManager(m_serverInternal, configuration);
                    sessionManager.Startup();
                    
                    // start the subscription manager.
                    SubscriptionManager subscriptionManager = CreateSubscriptionManager(m_serverInternal, configuration);
                    subscriptionManager.Startup();
                                     
                    // add the session manager to the datastore. 
                    m_serverInternal.SetSessionManager(sessionManager, subscriptionManager);
                    
                    ServerError = null;
                    
                    // setup registration information.
                    lock (m_registrationLock)
                    {
                        m_bindingFactory = BindingFactory.Create(configuration, MessageContext);
                        m_maxRegistrationInterval = configuration.ServerConfiguration.MaxRegistrationInterval;

                        ApplicationDescription serverDescription = ServerDescription;

                        m_registrationInfo = new RegisteredServer();

                        m_registrationInfo.ServerUri = serverDescription.ApplicationUri;
                        m_registrationInfo.ServerNames.Add(serverDescription.ApplicationName);
                        m_registrationInfo.ProductUri = serverDescription.ProductUri;
                        m_registrationInfo.ServerType = serverDescription.ApplicationType;
                        m_registrationInfo.GatewayServerUri = null;
                        m_registrationInfo.IsOnline = true;
                        m_registrationInfo.SemaphoreFilePath = null;

                        // add all discovery urls.
                        string computerName = System.Net.Dns.GetHostName();

                        for (int ii = 0; ii < BaseAddresses.Count; ii++)
                        {
                            UriBuilder uri = new UriBuilder(BaseAddresses[ii].DiscoveryUrl);

                            if (String.Compare(uri.Host, "localhost", StringComparison.OrdinalIgnoreCase) == 0)
                            {
                                uri.Host = computerName;
                            }

                            m_registrationInfo.DiscoveryUrls.Add(uri.ToString());
                        }
                        
                        // build list of registration endpoints.
                        m_registrationEndpoints = new ConfiguredEndpointCollection(configuration);

                        EndpointDescription endpoint = configuration.ServerConfiguration.RegistrationEndpoint;

                        if (endpoint == null)
                        {
                            endpoint = new EndpointDescription();
                            endpoint.EndpointUrl = Utils.Format(Utils.DiscoveryUrls[0], "localhost");
                            endpoint.SecurityLevel = 0;
                            endpoint.SecurityMode = MessageSecurityMode.SignAndEncrypt;
                            endpoint.SecurityPolicyUri = SecurityPolicies.Basic128Rsa15;
                            endpoint.Server.ApplicationType = ApplicationType.DiscoveryServer;
                        }

                        m_registrationEndpoints.Add(endpoint);

                        m_minRegistrationInterval  = 1000;
                        m_lastRegistrationInterval = m_minRegistrationInterval;

                        // start registration timer.
                        if (m_registrationTimer != null)
                        {
                            m_registrationTimer.Dispose();
                            m_registrationTimer = null;
                        }

                        if (m_maxRegistrationInterval > 0)
                        {
                            m_registrationTimer = new Timer(OnRegisterServer, this, m_minRegistrationInterval, Timeout.Infinite);
                        }
                    }

                    // set the server status as running.
                    SetServerState(ServerState.Running);

                    // all initialization is complete.
                    OnServerStarted(m_serverInternal); 
                    
                    // monitor the configuration file.
                    if (!String.IsNullOrEmpty(configuration.SourceFilePath))
                    {
                        m_configurationWatcher = new ConfigurationWatcher(configuration);
                        m_configurationWatcher.Changed += new EventHandler<ConfigurationWatcherEventArgs>(this.OnConfigurationChanged);
                    }
                }
                catch (Exception e)
                {
                    Utils.Trace(e, "Unexpected error starting application");
                    m_serverInternal = null;
                    ServiceResult error = ServiceResult.Create(e, StatusCodes.BadInternalError, "Unexpected error starting application");
                    ServerError = error;
                    throw new ServiceResultException(error);
                }
            }
        }