Common profiles that UA applications may support.
        /// <summary>
        /// Updates the endpoint description.
        /// </summary>
        public void Update(EndpointDescription description)
        {
            if (description == null)
            {
                throw new ArgumentNullException(nameof(description));
            }

            m_description = (EndpointDescription)description.MemberwiseClone();

            // normalize transport profile uri.
            if (m_description.TransportProfileUri != null)
            {
                m_description.TransportProfileUri = Profiles.NormalizeUri(m_description.TransportProfileUri);
            }

            // set the proxy url.
            if (m_collection != null && m_description.EndpointUrl != null)
            {
                if (m_description.EndpointUrl.StartsWith(Utils.UriSchemeOpcTcp, StringComparison.Ordinal))
                {
                    m_description.ProxyUrl = m_collection.TcpProxyUrl;
                }
            }
        }
Пример #2
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        /// <summary>
        /// Loads a collection of endpoints from a file.
        /// </summary>
        public static ConfiguredEndpointCollection Load(string filePath)
        {
            // load from file.
            ConfiguredEndpointCollection endpoints;

            using (Stream stream = File.OpenRead(filePath))
            {
                endpoints = Load(stream);
            }
            endpoints.m_filepath = filePath;

            // remove invalid endpoints and ensure server descriptions are consistent.
            List <ConfiguredEndpoint> endpointsToRemove         = new List <ConfiguredEndpoint>();
            Dictionary <string, ApplicationDescription> servers = new Dictionary <string, ApplicationDescription>();

            foreach (ConfiguredEndpoint endpoint in endpoints.m_endpoints)
            {
                if (endpoint.Description == null)
                {
                    endpointsToRemove.Add(endpoint);
                    continue;
                }

                // set a default value for the server.
                if (endpoint.Description.Server == null)
                {
                    endpoint.Description.Server = new ApplicationDescription();
                    endpoint.Description.Server.ApplicationType = ApplicationType.Server;
                }

                // set a default for application uri.
                if (String.IsNullOrEmpty(endpoint.Description.Server.ApplicationUri))
                {
                    endpoint.Description.Server.ApplicationUri = endpoint.Description.EndpointUrl;
                }

                if (endpoint.Description.Server.DiscoveryUrls == null)
                {
                    endpoint.Description.Server.DiscoveryUrls = new StringCollection();
                }

                if (endpoint.Description.Server.DiscoveryUrls.Count == 0)
                {
                    string discoveryUrl = endpoint.Description.EndpointUrl;

                    if (!discoveryUrl.StartsWith(Utils.UriSchemeOpcTcp))
                    {
                        discoveryUrl += "/discovery";
                    }

                    endpoint.Description.Server.DiscoveryUrls.Add(discoveryUrl);
                }

                // normalize transport profile uri.
                if (endpoint.Description.TransportProfileUri != null)
                {
                    endpoint.Description.TransportProfileUri = Profiles.NormalizeUri(endpoint.Description.TransportProfileUri);
                }

                ApplicationDescription server = null;

                if (!servers.TryGetValue(endpoint.Description.Server.ApplicationUri, out server))
                {
                    // use the first description in the file as the correct master.
                    server = endpoint.Description.Server;

                    servers[server.ApplicationUri] = server;

                    // check if the server uri needs to be made globally unique.
                    server.ApplicationUri          = Utils.UpdateInstanceUri(server.ApplicationUri);
                    servers[server.ApplicationUri] = server;
                    continue;
                }

                endpoint.Description.Server = (ApplicationDescription)server.MemberwiseClone();
            }

            // remove invalid endpoints.
            foreach (ConfiguredEndpoint endpoint in endpointsToRemove)
            {
                endpoints.Remove(endpoint);
            }

            // return processed collection.
            return(endpoints);
        }