/// <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); } }
/// <summary> /// Imports a server from a export file. /// </summary> private static RegisteredDotNetOpcServer Import(Export.RegisteredServer serverToImport) { RegisteredDotNetOpcServer server = new RegisteredDotNetOpcServer(); // assign clsid if none specified. if (String.IsNullOrEmpty(serverToImport.Clsid)) { server.Clsid = ConfigUtils.CLSIDFromProgID(serverToImport.ProgId); if (server.Clsid == Guid.Empty) { server.Clsid = Guid.NewGuid(); } } else { server.Clsid = new Guid(serverToImport.Clsid); } // get prog id and description. server.ProgId = serverToImport.ProgId; server.Description = serverToImport.Description; // parse wrapper clsid/prog id. try { server.WrapperClsid = new Guid(serverToImport.WrapperClsid); } catch { server.WrapperClsid = ConfigUtils.CLSIDFromProgID(serverToImport.WrapperClsid); } // parse wrapped server clsid/prog id. try { server.ServerClsid = new Guid(serverToImport.ServerClsid); } catch { server.ServerClsid = ConfigUtils.CLSIDFromProgID(serverToImport.ServerClsid); } // read parameters. server.Parameters.Clear(); if (!ConfigUtils.IsEmpty(serverToImport.Parameter)) { for (int ii = 0; ii < serverToImport.Parameter.Length; ii++) { Export.Parameter parameter = serverToImport.Parameter[ii]; if (parameter != null && !String.IsNullOrEmpty(parameter.Name)) { server.Parameters.Add(parameter.Name, parameter.Value); } } } // return new server. return(server); }