/// <summary> /// Initializes the object with a url. /// </summary> public DotNetOpcServerWrapper(Guid clsid) { m_clsid = clsid; m_progId = ConfigUtils.ProgIDFromCLSID(clsid); m_codebase = ConfigUtils.GetExecutablePath(clsid); m_specifications = GetSpecifications(clsid); }
/// <summary> /// Returns the UA COM servers registered on the local computer. /// </summary> public static List <RegisteredDotNetOpcServer> EnumRegisteredServers(bool updateWrapperPath) { // enumerate server clsids. List <Guid> clsids = ConfigUtils.EnumClassesInCategory(ConfigUtils.CATID_RegisteredDotNetOpcServers); // initialize server objects. List <RegisteredDotNetOpcServer> servers = new List <RegisteredDotNetOpcServer>(); for (int ii = 0; ii < clsids.Count; ii++) { servers.Add(new RegisteredDotNetOpcServer(clsids[ii])); if (updateWrapperPath) { string wrapperPath = ConfigUtils.GetExecutablePath(servers[ii].WrapperClsid); if (String.IsNullOrEmpty(wrapperPath)) { continue; } RegistryKey key = Registry.ClassesRoot.OpenSubKey(String.Format(@"CLSID\{{{0}}}\LocalServer32", clsids[ii]), true); if (key != null) { key.SetValue(null, wrapperPath); key.Close(); } } } return(servers); }
/// <see cref="BaseListCtrl.UpdateItem" /> protected override void UpdateItem(ListViewItem listItem, object item) { if (!(item is Guid)) { base.UpdateItem(listItem, item); return; } Guid clsid = (Guid)item; listItem.SubItems[0].Text = ConfigUtils.ProgIDFromCLSID(clsid); listItem.SubItems[1].Text = ConfigUtils.GetExecutablePath(clsid); listItem.Tag = item; if (m_catid == ConfigUtils.CATID_DotNetOpcServerWrappers) { listItem.ImageKey = "Folder"; } else if (m_catid == ConfigUtils.CATID_RegisteredDotNetOpcServers) { listItem.ImageKey = "Method"; } else { listItem.ImageKey = "Object"; } }
/// <summary> /// Registers the endpoint as a COM server with the specified CLSID. /// </summary> public void Register() { DotNetOpcServer server = new DotNetOpcServer(m_serverClsid); if (server.Specifications == Specifications.None) { throw new ApplicationException("The .NET server does not implement any OPC specifications."); } DotNetOpcServerWrapper wrapper = new DotNetOpcServerWrapper(m_wrapperClsid); if (wrapper.Specifications == Specifications.None) { throw new ApplicationException("The .NET server wrapper does not implement any OPC interfaces."); } // determine the intersection of between the specs supported by the wrapper and the specs supported by the server. Specifications specifications = wrapper.Specifications & server.Specifications; if (specifications == Specifications.None) { throw new ApplicationException("The .NET server wrapper does not implement any OPC interfaces supported by the .NET server."); } // verify url and prog id. string progId = ProgId; if (m_wrapperClsid == Guid.Empty || String.IsNullOrEmpty(progId)) { throw new ApplicationException("Proxy does not have a valid wrapper clsid or prog id."); } // verify wrapper path. string wrapperPath = ConfigUtils.GetExecutablePath(m_wrapperClsid); if (wrapperPath == null) { throw new ApplicationException("OPC server wrapper is not registered on this machine."); } // remove existing CLSID. Guid existingClsid = ConfigUtils.CLSIDFromProgID(progId); if (existingClsid != m_clsid) { ConfigUtils.UnregisterComServer(existingClsid); } string clsidKey = String.Format(@"CLSID\{{{0}}}", m_clsid.ToString().ToUpper()); // create new entries. RegistryKey key = Registry.ClassesRoot.CreateSubKey(clsidKey); if (key == null) { throw new ApplicationException("Could not create key: " + clsidKey); } // save description. if (String.IsNullOrEmpty(m_description)) { m_description = progId; } key.SetValue(null, m_description); try { // create local server key. RegistryKey subkey = key.CreateSubKey("LocalServer32"); if (subkey == null) { throw new ApplicationException("Could not create key: LocalServer32"); } subkey.SetValue(null, wrapperPath); subkey.SetValue("WrapperClsid", String.Format("{{{0}}}", m_wrapperClsid)); subkey.Close(); // create prog id key. subkey = key.CreateSubKey("ProgId"); if (subkey == null) { throw new ApplicationException("Could not create key: ProgId"); } subkey.SetValue(null, progId); subkey.Close(); // create endpoint key. subkey = key.CreateSubKey(WrappedServerSubKey); if (subkey == null) { throw new ApplicationException("Could not create key: " + WrappedServerSubKey); } // add parameters. try { subkey.SetValue(null, String.Format("{{{0}}}", m_serverClsid)); // remove unused parameters. foreach (string name in subkey.GetValueNames()) { if (!String.IsNullOrEmpty(name) && !m_parameters.ContainsKey(name)) { subkey.DeleteValue(name, false); } } // add new parameters. foreach (KeyValuePair <string, string> entry in m_parameters) { if (!String.IsNullOrEmpty(entry.Key)) { subkey.SetValue(entry.Key, entry.Value); } } } finally { subkey.Close(); } } finally { key.Close(); } // create prog id key. key = Registry.ClassesRoot.CreateSubKey(progId); if (key == null) { throw new ApplicationException("Could not create key: " + progId); } try { // create clsid key. RegistryKey subkey = key.CreateSubKey("CLSID"); if (subkey == null) { throw new ApplicationException("Could not create key: CLSID"); } subkey.SetValue(null, String.Format("{{{0}}}", m_clsid.ToString().ToUpper())); subkey.Close(); // create the OPC key use with DA 2.0 servers. if ((specifications & Specifications.DA2) != 0) { subkey = key.CreateSubKey("OPC"); if (subkey == null) { throw new ApplicationException("Could not create key: OPC"); } subkey.Close(); } } finally { key.Close(); } // register as wrapper server. ConfigUtils.RegisterClassInCategory(m_clsid, ConfigUtils.CATID_RegisteredDotNetOpcServers, "OPC Wrapped COM Server Proxy"); // register in OPC component categories. if ((specifications & Specifications.DA2) != 0) { ConfigUtils.RegisterClassInCategory(m_clsid, typeof(OpcRcw.Da.CATID_OPCDAServer20).GUID); } if ((specifications & Specifications.DA3) != 0) { ConfigUtils.RegisterClassInCategory(m_clsid, typeof(OpcRcw.Da.CATID_OPCDAServer30).GUID); } if ((specifications & Specifications.AE) != 0) { ConfigUtils.RegisterClassInCategory(m_clsid, typeof(OpcRcw.Ae.OPCEventServerCATID).GUID); } if ((specifications & Specifications.HDA) != 0) { ConfigUtils.RegisterClassInCategory(m_clsid, typeof(OpcRcw.Hda.CATID_OPCHDAServer10).GUID); } }