コード例 #1
0
ファイル: Server.cs プロジェクト: ZSYMAX/OpcNetApi
 // Token: 0x060000CC RID: 204 RVA: 0x000097C4 File Offset: 0x000087C4
 public virtual void Initialize(URL url, ConnectData connectData)
 {
     if (url == null)
     {
         throw new ArgumentNullException("url");
     }
     lock (this)
     {
         if (this.m_url == null || !this.m_url.Equals(url))
         {
             if (this.m_server != null)
             {
                 this.Uninitialize();
             }
             this.m_server = (IOPCCommon)Factory.Connect(url, connectData);
         }
         this.m_url = (URL)url.Clone();
     }
 }
コード例 #2
0
        //======================================================================
        // IFactory

        /// <summary>
        /// Creates a new instance of the server.
        /// </summary>
        public override Opc.IServer CreateInstance(Opc.URL url, Opc.ConnectData connectData)
        {
            object comServer = Factory.Connect(url, connectData);

            if (comServer == null)
            {
                return(null);
            }

            OpcCom.Server server        = null;
            System.Type   interfaceType = null;

            try
            {
                // DA
                if (url.Scheme == Opc.UrlScheme.DA)
                {
                    // Verify that it is a DA server.
                    if (!typeof(OpcRcw.Da.IOPCServer).IsInstanceOfType(comServer))
                    {
                        interfaceType = typeof(OpcRcw.Da.IOPCServer);
                        throw new NotSupportedException();
                    }

                    // DA 3.00
                    if (typeof(OpcRcw.Da.IOPCBrowse).IsInstanceOfType(comServer) && typeof(OpcRcw.Da.IOPCItemIO).IsInstanceOfType(comServer))
                    {
                        server = new OpcCom.Da.Server(url, comServer);
                    }

                    // DA 2.XX
                    else if (typeof(OpcRcw.Da.IOPCItemProperties).IsInstanceOfType(comServer))
                    {
                        server = new OpcCom.Da20.Server(url, comServer);
                    }

                    else
                    {
                        interfaceType = typeof(OpcRcw.Da.IOPCItemProperties);
                        throw new NotSupportedException();
                    }
                }

                // AE
                else if (url.Scheme == Opc.UrlScheme.AE)
                {
                    // Verify that it is a AE server.
                    if (!typeof(OpcRcw.Ae.IOPCEventServer).IsInstanceOfType(comServer))
                    {
                        interfaceType = typeof(OpcRcw.Ae.IOPCEventServer);
                        throw new NotSupportedException();
                    }

                    server = new OpcCom.Ae.Server(url, comServer);
                }

                // HDA
                else if (url.Scheme == Opc.UrlScheme.HDA)
                {
                    // Verify that it is a HDA server.
                    if (!typeof(OpcRcw.Hda.IOPCHDA_Server).IsInstanceOfType(comServer))
                    {
                        interfaceType = typeof(OpcRcw.Hda.IOPCHDA_Server);
                        throw new NotSupportedException();
                    }

                    server = new OpcCom.Hda.Server(url, comServer);
                }

                // DX
                else if (url.Scheme == Opc.UrlScheme.DX)
                {
                    // Verify that it is a DX server.
                    if (!typeof(OpcRcw.Dx.IOPCConfiguration).IsInstanceOfType(comServer))
                    {
                        interfaceType = typeof(OpcRcw.Dx.IOPCConfiguration);
                        throw new NotSupportedException();
                    }

                    server = new OpcCom.Dx.Server(url, comServer);
                }

                // All other specifications not supported yet.
                else
                {
                    throw new NotSupportedException(String.Format("The URL scheme '{0}' is not supported.", url.Scheme));
                }
            }
            catch (NotSupportedException e)
            {
                OpcCom.Interop.ReleaseServer(server);
                server = null;

                if (interfaceType != null)
                {
                    StringBuilder message = new StringBuilder();

                    message.AppendFormat("The COM server does not support the interface ");
                    message.AppendFormat("'{0}'.", interfaceType.FullName);
                    message.Append("\r\n\r\nThis problem could be caused by:\r\n");
                    message.Append("- incorrectly installed proxy/stubs.\r\n");
                    message.Append("- problems with the DCOM security settings.\r\n");
                    message.Append("- a personal firewall (sometimes activated by default).\r\n");

                    throw new NotSupportedException(message.ToString());
                }

                throw e;
            }
            catch (Exception e)
            {
                OpcCom.Interop.ReleaseServer(server);
                server = null;

                throw e;
            }

            // initialize the wrapper object.
            if (server != null)
            {
                server.Initialize(url, connectData);
            }

            return(server);
        }