/// <summary> /// Registers the types in the specified assembly. /// </summary> public static void RegisterAssembly(string filePath) { List <System.Type> types = ConfigUtils.RegisterComTypes(filePath); foreach (System.Type type in types) { try { // verify that the object implements the wrapper object interface. System.Type[] interfaces = type.GetInterfaces(); // must manually compare guids because unrelated assemblies that define the same // COM interface have different .NET interface types even if the underlying COM // interface is the same. for (int ii = 0; ii < interfaces.Length; ii++) { if (interfaces[ii].GUID == typeof(IOPCWrappedServer).GUID) { ConfigUtils.RegisterClassInCategory(type.GUID, ConfigUtils.CATID_DotNetOpcServers, "OPC Wrapped Server Objects"); } } } catch { // ignore types that don't have a default constructor. continue; } } }
/// <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); } }