Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / clr / src / BCL / System / Runtime / Remoting / RedirectionProxy.cs / 1 / RedirectionProxy.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // File: RedirectionProxy.cs using System; using System.Runtime.InteropServices; using System.Runtime.Remoting.Messaging; using System.Runtime.Remoting.Proxies; namespace System.Runtime.Remoting { internal class RedirectionProxy : MarshalByRefObject, IMessageSink { private MarshalByRefObject _proxy; private RealProxy _realProxy; private Type _serverType; private WellKnownObjectMode _objectMode; internal RedirectionProxy(MarshalByRefObject proxy, Type serverType) { _proxy = proxy; _realProxy = RemotingServices.GetRealProxy(_proxy); _serverType = serverType; _objectMode = WellKnownObjectMode.Singleton; } // RedirectionProxy public WellKnownObjectMode ObjectMode { set { _objectMode = value; } } // ObjectMode public virtual IMessage SyncProcessMessage(IMessage msg) { IMessage replyMsg = null; try { msg.Properties["__Uri"] = _realProxy.IdentityObject.URI; if (_objectMode == WellKnownObjectMode.Singleton) { replyMsg = _realProxy.Invoke(msg); } else { // This is a single call object, so we need to create // a new instance. MarshalByRefObject obj = (MarshalByRefObject)Activator.CreateInstance(_serverType, true); BCLDebug.Assert(RemotingServices.IsTransparentProxy(obj), "expecting a proxy"); RealProxy rp = RemotingServices.GetRealProxy(obj); replyMsg = rp.Invoke(msg); } } catch (Exception e) { replyMsg = new ReturnMessage(e, msg as IMethodCallMessage); } return replyMsg; } // SyncProcessMessage public virtual IMessageCtrl AsyncProcessMessage(IMessage msg, IMessageSink replySink) { // < IMessage replyMsg = null; replyMsg = SyncProcessMessage(msg); if (replySink != null) replySink.SyncProcessMessage(replyMsg); return null; } // AsyncProcessMessage public IMessageSink NextSink { get { return null; } } } // class RedirectionProxy // This is only to be used for wellknown Singleton COM objects. internal class ComRedirectionProxy : MarshalByRefObject, IMessageSink { private MarshalByRefObject _comObject; private Type _serverType; internal ComRedirectionProxy(MarshalByRefObject comObject, Type serverType) { BCLDebug.Assert(serverType.IsCOMObject, "This must be a COM object type."); _comObject = comObject; _serverType = serverType; } // ComRedirectionProxy public virtual IMessage SyncProcessMessage(IMessage msg) { IMethodCallMessage mcmReqMsg = (IMethodCallMessage)msg; IMethodReturnMessage replyMsg = null; replyMsg = RemotingServices.ExecuteMessage(_comObject, mcmReqMsg); if (replyMsg != null) { // If an "RPC server not available" (HRESULT=0x800706BA) COM // exception is thrown, we will try to recreate the object once. const int RPC_S_SERVER_UNAVAILABLE = unchecked((int)0x800706BA); const int RPC_S_CALL_FAILED_DNE = unchecked((int)0x800706BF); COMException comException = replyMsg.Exception as COMException; if ((comException != null) && ((comException._HResult == RPC_S_SERVER_UNAVAILABLE) || (comException._HResult == RPC_S_CALL_FAILED_DNE))) { _comObject = (MarshalByRefObject)Activator.CreateInstance(_serverType, true); replyMsg = RemotingServices.ExecuteMessage(_comObject, mcmReqMsg); } } return replyMsg; } // SyncProcessMessage public virtual IMessageCtrl AsyncProcessMessage(IMessage msg, IMessageSink replySink) { // < IMessage replyMsg = null; replyMsg = SyncProcessMessage(msg); if (replySink != null) replySink.SyncProcessMessage(replyMsg); return null; } // AsyncProcessMessage public IMessageSink NextSink { get { return null; } } } // class ComRedirectionProxy } // namespace System.Runtime.Remoting // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // File: RedirectionProxy.cs using System; using System.Runtime.InteropServices; using System.Runtime.Remoting.Messaging; using System.Runtime.Remoting.Proxies; namespace System.Runtime.Remoting { internal class RedirectionProxy : MarshalByRefObject, IMessageSink { private MarshalByRefObject _proxy; private RealProxy _realProxy; private Type _serverType; private WellKnownObjectMode _objectMode; internal RedirectionProxy(MarshalByRefObject proxy, Type serverType) { _proxy = proxy; _realProxy = RemotingServices.GetRealProxy(_proxy); _serverType = serverType; _objectMode = WellKnownObjectMode.Singleton; } // RedirectionProxy public WellKnownObjectMode ObjectMode { set { _objectMode = value; } } // ObjectMode public virtual IMessage SyncProcessMessage(IMessage msg) { IMessage replyMsg = null; try { msg.Properties["__Uri"] = _realProxy.IdentityObject.URI; if (_objectMode == WellKnownObjectMode.Singleton) { replyMsg = _realProxy.Invoke(msg); } else { // This is a single call object, so we need to create // a new instance. MarshalByRefObject obj = (MarshalByRefObject)Activator.CreateInstance(_serverType, true); BCLDebug.Assert(RemotingServices.IsTransparentProxy(obj), "expecting a proxy"); RealProxy rp = RemotingServices.GetRealProxy(obj); replyMsg = rp.Invoke(msg); } } catch (Exception e) { replyMsg = new ReturnMessage(e, msg as IMethodCallMessage); } return replyMsg; } // SyncProcessMessage public virtual IMessageCtrl AsyncProcessMessage(IMessage msg, IMessageSink replySink) { // < IMessage replyMsg = null; replyMsg = SyncProcessMessage(msg); if (replySink != null) replySink.SyncProcessMessage(replyMsg); return null; } // AsyncProcessMessage public IMessageSink NextSink { get { return null; } } } // class RedirectionProxy // This is only to be used for wellknown Singleton COM objects. internal class ComRedirectionProxy : MarshalByRefObject, IMessageSink { private MarshalByRefObject _comObject; private Type _serverType; internal ComRedirectionProxy(MarshalByRefObject comObject, Type serverType) { BCLDebug.Assert(serverType.IsCOMObject, "This must be a COM object type."); _comObject = comObject; _serverType = serverType; } // ComRedirectionProxy public virtual IMessage SyncProcessMessage(IMessage msg) { IMethodCallMessage mcmReqMsg = (IMethodCallMessage)msg; IMethodReturnMessage replyMsg = null; replyMsg = RemotingServices.ExecuteMessage(_comObject, mcmReqMsg); if (replyMsg != null) { // If an "RPC server not available" (HRESULT=0x800706BA) COM // exception is thrown, we will try to recreate the object once. const int RPC_S_SERVER_UNAVAILABLE = unchecked((int)0x800706BA); const int RPC_S_CALL_FAILED_DNE = unchecked((int)0x800706BF); COMException comException = replyMsg.Exception as COMException; if ((comException != null) && ((comException._HResult == RPC_S_SERVER_UNAVAILABLE) || (comException._HResult == RPC_S_CALL_FAILED_DNE))) { _comObject = (MarshalByRefObject)Activator.CreateInstance(_serverType, true); replyMsg = RemotingServices.ExecuteMessage(_comObject, mcmReqMsg); } } return replyMsg; } // SyncProcessMessage public virtual IMessageCtrl AsyncProcessMessage(IMessage msg, IMessageSink replySink) { // < IMessage replyMsg = null; replyMsg = SyncProcessMessage(msg); if (replySink != null) replySink.SyncProcessMessage(replyMsg); return null; } // AsyncProcessMessage public IMessageSink NextSink { get { return null; } } } // class ComRedirectionProxy } // namespace System.Runtime.Remoting // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SimpleBitVector32.cs
- CollectionChangeEventArgs.cs
- FragmentQueryKB.cs
- DynamicResourceExtension.cs
- DecodeHelper.cs
- StateMachine.cs
- HttpWebRequest.cs
- XmlBindingWorker.cs
- TextView.cs
- RadialGradientBrush.cs
- HtmlTableRowCollection.cs
- PartialArray.cs
- MemberCollection.cs
- Int64Storage.cs
- GeometryValueSerializer.cs
- Matrix3D.cs
- SoapEnumAttribute.cs
- FlowchartSizeFeature.cs
- ACE.cs
- XPathCompileException.cs
- StrokeFIndices.cs
- SemanticBasicElement.cs
- ComponentEvent.cs
- QueryableFilterUserControl.cs
- ParameterBinding.cs
- HttpModulesSection.cs
- SiteMap.cs
- RoutedEventArgs.cs
- ProfilePropertySettings.cs
- EndPoint.cs
- ReliabilityContractAttribute.cs
- SchemaTableOptionalColumn.cs
- XmlReaderSettings.cs
- EnumType.cs
- ExpandedWrapper.cs
- MatrixTransform.cs
- DownloadProgressEventArgs.cs
- VersionedStreamOwner.cs
- GetLedgerRequest.cs
- CapabilitiesRule.cs
- ApplicationServiceHelper.cs
- HttpConfigurationSystem.cs
- DBSchemaRow.cs
- ByeMessage11.cs
- pingexception.cs
- GenericFlowSwitchHelper.cs
- SynchronizedInputAdaptor.cs
- ListenerChannelContext.cs
- ExceptionUtil.cs
- xmlglyphRunInfo.cs
- ConfigurationPropertyAttribute.cs
- ObjectDataSourceEventArgs.cs
- EntityDataSourceEntityTypeFilterItem.cs
- ResourceSet.cs
- WebEventCodes.cs
- Win32Exception.cs
- ReadWriteObjectLock.cs
- DelayedRegex.cs
- SqlCacheDependency.cs
- HtmlCommandAdapter.cs
- ManipulationBoundaryFeedbackEventArgs.cs
- AssemblyInfo.cs
- WebPartMovingEventArgs.cs
- WebPartUserCapability.cs
- GeometryDrawing.cs
- FragmentNavigationEventArgs.cs
- FixedPosition.cs
- XmlSchemaComplexType.cs
- GridViewColumnHeader.cs
- AsnEncodedData.cs
- TextServicesProperty.cs
- CodeIdentifier.cs
- WorkflowInstanceTerminatedRecord.cs
- TrackingStringDictionary.cs
- DataSourceDesigner.cs
- ParameterReplacerVisitor.cs
- ApplicationContext.cs
- SamlAttribute.cs
- SecureConversationVersion.cs
- CheckBoxField.cs
- RTLAwareMessageBox.cs
- TemplateFactory.cs
- CanExecuteRoutedEventArgs.cs
- BitmapScalingModeValidation.cs
- ModelProperty.cs
- DatePickerTextBox.cs
- GPRECT.cs
- ManagementInstaller.cs
- GradientStop.cs
- GPStream.cs
- QuadraticBezierSegment.cs
- ButtonStandardAdapter.cs
- XmlILAnnotation.cs
- ContentPosition.cs
- TransformValueSerializer.cs
- ExpressionVisitorHelpers.cs
- ServiceDescriptionContext.cs
- DataTableNewRowEvent.cs
- HttpModuleAction.cs
- SelectionEditor.cs