A unique identifier for the result of an operation of an item.
Inheritance: IDisposable
Esempio n. 1
0
        /// <summary>
        /// Creates an instance of the COM server.
        /// </summary>
        public void CreateInstance()
        {        
            // multiple calls are not allowed - may block for a while due to network operation.
            lock (m_lock)
            {
                ServerFactory factory = new ServerFactory();
                
                try
                {
                    // create the server.
                    Unknown = factory.CreateServer(new Uri(m_url), null);

                    // fetch the available locales.
                    m_availableLocaleIds = QueryAvailableLocales();

                    // do any post-connect processing.
                    OnConnected();
                }
                catch (Exception e)
                {
                    ComUtils.TraceComError(e, "Could not connect to server ({0}).", m_url);

                    // cleanup on error.
                    Close();
                }
                finally
                {
                    factory.Dispose();
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Gets the available servers.
        /// </summary>
        /// <param name="factory">The factory.</param>
        /// <param name="specification">The specification.</param>
        private void GetAvailableServers(Opc.Ua.Com.ServerFactory factory, Specification specification)
        {
            Uri[] serverUrls = factory.GetAvailableServers(specification);

            for (int ii = 0; ii < serverUrls.Length; ii++)
            {
                ComServerDescription server = factory.ParseUrl(serverUrls[ii]);

                // don't wrap proxies.
                if (ConfigUtils.CLSID_UaComDaProxyServer == server.Clsid)
                {
                    continue;
                }

                if (ConfigUtils.CLSID_UaComAeProxyServer == server.Clsid)
                {
                    continue;
                }

                if (ConfigUtils.CLSID_UaComHdaProxyServer == server.Clsid)
                {
                    continue;
                }

                // don't wrap UA psuedo-servers.
                List <Guid> catids = ConfigUtils.GetImplementedCategories(server.Clsid);

                bool suppress = false;

                for (int jj = 0; jj < catids.Count; jj++)
                {
                    if (catids[jj] == ConfigUtils.CATID_PseudoComServers)
                    {
                        suppress = true;
                        break;
                    }
                }

                if (suppress)
                {
                    continue;
                }

                // assume regular COM server.
                ListViewItem item = new ListViewItem(server.ProgId);
                item.SubItems.Add(server.Description);
                item.SubItems.Add(specification.ToString());
                item.Tag = new Item(specification, server);

                ServersLV.Items.Add(item);
            }
        }
        /// <summary>
        /// Updates the list of servers.
        /// </summary>
        private void UpdateServers()
        {
            // populate the list of servers.
            Opc.Ua.Com.ServerFactory factory = new ServerFactory();

            try
            {
                ServersLV.Items.Clear();

                string hostName = HostCB.Text;

                if (HostCB.SelectedIndex != -1)
                {
                    hostName = (string)HostCB.SelectedItem;
                }

                factory.Connect(hostName, null);

                Uri[] serverUrls = factory.GetAvailableServers(Specification.Da20, Specification.Da30);

                for (int ii = 0; ii < serverUrls.Length; ii++)
                {
                    ComServerDescription server = factory.ParseUrl(serverUrls[ii]);

                    ListViewItem item = new ListViewItem(server.ProgId);
                    item.SubItems.Add(server.Description);
                    item.Tag = server;

                    ServersLV.Items.Add(item);
                }

                for (int ii = 0; ii < ServersLV.Columns.Count; ii++)
                {
                    ServersLV.Columns[ii].Width = -2;
                }
            }
            finally
            {
                factory.Disconnect();
            }
        }
Esempio n. 4
0
        /// <summary>
        /// Creates an instance of the COM server.
        /// </summary>
        public void CreateInstance()
        {        
            // multiple calls are not allowed - may block for a while due to network operation.
            lock (m_lock)
            {
                ServerFactory factory = new ServerFactory();
                
                try
                {
                    // create the server.
                    Unknown = factory.CreateServer(new Uri(m_url), null);

                    // set the locale.
                    SetLocale(LocaleId);

                    if (UserIdentity != null)
                    {
                        SetUserIdentity(UserIdentity);
                    }

                    // do any post-connect processing.
                    OnConnected();
                }
                catch (Exception e)
                {
                    ComUtils.TraceComError(e, "Could not connect to server ({0}).", m_url);

                    // cleanup on error.
                    Close();
                }
                finally
                {
                    factory.Dispose();
                }
            }
        }
        /// <summary>
        /// Updates the list of servers.
        /// </summary>
        private void UpdateServers()
        {
            // populate the list of servers.
            Opc.Ua.Com.ServerFactory factory = new ServerFactory();

            try
            {
                ServersLV.Items.Clear();

                string hostName = HostCB.Text;

                if (HostCB.SelectedIndex != -1)
                {
                    hostName = (string)HostCB.SelectedItem;
                }

                factory.Connect(hostName, null);

                GetAvailableServers(factory, Specification.Da20);
                GetAvailableServers(factory, Specification.Da30);
                GetAvailableServers(factory, Specification.Ae10);
                GetAvailableServers(factory, Specification.Hda10);

                for (int ii = 0; ii < ServersLV.Columns.Count; ii++)
                {
                    ServersLV.Columns[ii].Width = -2;
                }
            }
            finally
            {
                factory.Disconnect();
            }
        }