Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / TransactionBridge / Microsoft / Transactions / Bridge / TransactionBridge.cs / 1 / TransactionBridge.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Configuration; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Runtime.InteropServices; using System.ServiceModel.Diagnostics; using System.Threading; using Microsoft.Transactions.Bridge; using Microsoft.Transactions.Bridge.Configuration; using DiagnosticUtility = Microsoft.Transactions.Bridge.DiagnosticUtility; namespace System.ServiceModel.Internal { [ComImport] [Guid("d860d655-0b79-4aa6-a741-ab216007ef55")] [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] interface ITransactionBridge { void Init([MarshalAs(UnmanagedType.IUnknown)] object bridgeNetworkConfiguration); void Start(); void Shutdown(); } [ComVisible(true)] [Guid("eec5dcca-05dc-4b46-8af7-2881c1635aea")] [ProgId("")] public class TransactionBridge : ITransactionBridge { TransactionBridgeSection config; object bridgeConfig; ListtransactionManagers; public TransactionBridge() { PropagationProtocolsTracing.TraceVerbose("Transaction Bridge Created"); this.transactionManagers = new List (); } public void Init(object bridgeConfig) { this.bridgeConfig = bridgeConfig; PropagationProtocolsTracing.TraceVerbose("Initializing..."); try { this.config = TransactionBridgeSection.GetSection(); } catch(Exception e) { PropagationProtocolsTracing.TraceError("Error reading configuration: " + e); throw; } // assert that both protocol version are configured to start up this.config.Protocols.AssertBothWsatProtocolVersions(); try { PropagationProtocolsTracing.TraceVerbose("Reading transaction managers from configuration..."); if (!IsAssemblyMicrosoftSigned(this.config.TransactionManagerType)) { PropagationProtocolsTracing.TraceVerbose("Transaction manager type has wrong signature: " + this.config.TransactionManagerType); throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new ConfigurationErrorsException(Microsoft.Transactions.SR.GetString( Microsoft.Transactions.SR.TransactionManagerTypeWrongSignature))); } PropagationProtocolsTracing.TraceVerbose("Loading transaction manager " + this.config.TransactionManagerType); Type tmType = Type.GetType(this.config.TransactionManagerType); if (tmType == null) throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new ConfigurationErrorsException(Microsoft.Transactions.SR.GetString( Microsoft.Transactions.SR.CouldNotLoadTM, this.config.TransactionManagerType))); PropagationProtocolsTracing.TraceVerbose("Initializing transaction managers..."); try { foreach (ProtocolElement protocol in this.config.Protocols) { TransactionManager transactionManager; transactionManager = (TransactionManager)Activator.CreateInstance(tmType); transactionManager.Initialize(protocol.Type, this.bridgeConfig); this.transactionManagers.Add(transactionManager); } } catch { // if any transaction manager (protocol provider) // fails to initialize, none will be started this.transactionManagers.Clear(); throw; } } // Any exception caught here indicates that the protocol has failed to initialize // We re-throw the exception to COM interop when we're done. It will be converted // to an HRESULT and propagated to the ITransactionBridge caller. catch (Exception e) { DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Error); PropagationProtocolsTracing.TraceError("Error initializing: " + e); throw; } } public void Start() { List startedTMs = new List (); try { PropagationProtocolsTracing.TraceVerbose("Starting..."); foreach (TransactionManager transactionManager in this.transactionManagers) { transactionManager.Start(); startedTMs.Add(transactionManager); if (!ThreadPool.QueueUserWorkItem(DiagnosticUtility.Utility.ThunkCallback(new WaitCallback(RecoverWorkItem)), transactionManager)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new TransactionBridgeException( Microsoft.Transactions.SR.GetString( Microsoft.Transactions.SR.CouldNotQueueStartUserWorkItem))); } } } // Any exception caught here indicates that the protocol has failed to initialize // We re-throw the exception to COM interop when we're done. It will be converted // to an HRESULT and propagated to the ITransactionBridge caller. catch (Exception e) { // if any transaction manager fails to start, stop all started TMs foreach (TransactionManager transactionManager in startedTMs) { transactionManager.Stop(); } DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Error); PropagationProtocolsTracing.TraceError("Error starting: " + e); throw; } } public void Shutdown() { // Nothing: We don't support clean shutdown right now! } void RecoverWorkItem(object obj) { try { PropagationProtocolsTracing.TraceVerbose("Recovering..."); TransactionManager transactionManager = (TransactionManager)obj; transactionManager.Recover(); } // A PluggableProtocolException indicates that the protocol has failed to recover, // but has handled the error gracefully, so processing may continue // Any other exception is a fatal condition due to the sensitive nature // of recovery handling. catch (PluggableProtocolException e) { DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Error); PropagationProtocolsTracing.TraceError("Error recovering: " + e); } catch (Exception e) { DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Critical); PropagationProtocolsTracing.TraceError("Unknown error recovering: " + e); // This is a bit of a layering violation, but such is life Microsoft.Transactions.Wsat.Protocol.TransactionBridgeRecoveryFailureRecord.TraceAndLog(e); DiagnosticUtility.InvokeFinalHandler(e); } } internal static bool IsAssemblyMicrosoftSigned(string assemblyQualifiedTypeName) { string[] split = assemblyQualifiedTypeName.Split(new char[] { ',' }, 2); if (split.Length == 2) { AssemblyName assemblyName = new AssemblyName(split[1].Trim()); byte[] publicKeyToken = assemblyName.GetPublicKeyToken(); if (publicKeyToken != null) { string publicKeyTokenHexString = string.Empty; foreach (byte b in publicKeyToken) { publicKeyTokenHexString += b.ToString("x2", CultureInfo.InvariantCulture); } return string.Compare(publicKeyTokenHexString, AssemblyRef.MicrosoftPublicKeyToken, StringComparison.OrdinalIgnoreCase) == 0; } } return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DBConcurrencyException.cs
- NativeMethods.cs
- CapabilitiesAssignment.cs
- PngBitmapEncoder.cs
- OleDbEnumerator.cs
- TypeUtils.cs
- XPSSignatureDefinition.cs
- graph.cs
- DrawingBrush.cs
- ProbeMatches11.cs
- ScrollEvent.cs
- AutomationElementIdentifiers.cs
- XDeferredAxisSource.cs
- WebScriptClientGenerator.cs
- TextDecorationCollectionConverter.cs
- GlobalizationAssembly.cs
- LockRecursionException.cs
- RelationshipEnd.cs
- ExtractedStateEntry.cs
- StackSpiller.Temps.cs
- EntityViewGenerator.cs
- TableLayoutCellPaintEventArgs.cs
- CombinedGeometry.cs
- RotateTransform.cs
- SqlGatherProducedAliases.cs
- coordinator.cs
- InternalPermissions.cs
- ParseHttpDate.cs
- XmlSchemaSimpleContent.cs
- SecurityContextTokenCache.cs
- XmlHierarchicalDataSourceView.cs
- MimeObjectFactory.cs
- ThumbAutomationPeer.cs
- MatrixCamera.cs
- RoleService.cs
- DataGridViewMethods.cs
- Partitioner.cs
- IdentityModelDictionary.cs
- ContextMenuAutomationPeer.cs
- StringResourceManager.cs
- ExpandoClass.cs
- TextTreeFixupNode.cs
- HandlerFactoryWrapper.cs
- TemplatedEditableDesignerRegion.cs
- CompressStream.cs
- NullExtension.cs
- XmlSchemaDocumentation.cs
- IPAddress.cs
- GeneralTransform.cs
- EntityDesignerUtils.cs
- XamlPoint3DCollectionSerializer.cs
- KnownColorTable.cs
- DesignerActionList.cs
- SecurityUtils.cs
- InputLanguage.cs
- DependencyProperty.cs
- WindowsListViewItemStartMenu.cs
- DesignBindingPicker.cs
- CollectionConverter.cs
- HttpRuntimeSection.cs
- WindowsGraphicsWrapper.cs
- PTManager.cs
- PerformanceCountersBase.cs
- TransformerInfoCollection.cs
- ErrorItem.cs
- SmtpDigestAuthenticationModule.cs
- DataSourceCacheDurationConverter.cs
- TimeoutException.cs
- XmlValidatingReader.cs
- OperatingSystem.cs
- PropertyFilterAttribute.cs
- Utils.cs
- Add.cs
- ServiceRoute.cs
- DisplayMemberTemplateSelector.cs
- OrderPreservingPipeliningMergeHelper.cs
- GlyphsSerializer.cs
- TextElementCollection.cs
- TraceHandlerErrorFormatter.cs
- SystemIPv6InterfaceProperties.cs
- Substitution.cs
- WebPartUtil.cs
- FontFaceLayoutInfo.cs
- TypeLibConverter.cs
- DropShadowBitmapEffect.cs
- Soap12FormatExtensions.cs
- ComponentEvent.cs
- PathFigureCollectionValueSerializer.cs
- HttpDictionary.cs
- PerformanceCounter.cs
- EntityDataSourceDesigner.cs
- ADMembershipProvider.cs
- GridPattern.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- ValidationSummaryDesigner.cs
- TimeSpanValidator.cs
- Int64KeyFrameCollection.cs
- Size3DConverter.cs
- TemplateBindingExpression.cs
- LineVisual.cs