Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / TransactionBridge / Microsoft / Transactions / Wsat / InputOutput / Ports.cs / 2 / Ports.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- // This file implements utility functions relating to messaging using System; using System.ServiceModel.Channels; using System.Diagnostics; using System.Globalization; using System.ServiceModel; using System.Security.Cryptography; using System.Text; using System.Xml; using Microsoft.Transactions.Bridge; using Microsoft.Transactions.Wsat.Messaging; using Microsoft.Transactions.Wsat.Protocol; using DiagnosticUtility = Microsoft.Transactions.Bridge.DiagnosticUtility; using ServiceModelDiagnosticUtility = System.ServiceModel.DiagnosticUtility; namespace Microsoft.Transactions.Wsat.InputOutput { static class Ports { public static Guid GetGuidFromTransactionId (string transactionId) { // E.g. "a01b8bc6781641c4b138c1acdcc940ef" const int minGuidLength = 32; int minTransactionIdLength = CoordinationContext.UuidScheme.Length + minGuidLength; if (transactionId.Length >= minTransactionIdLength && transactionId.StartsWith(CoordinationContext.UuidScheme, StringComparison.OrdinalIgnoreCase)) { Guid txIdGuid; if (ServiceModelDiagnosticUtility.Utility.TryCreateGuid( transactionId.Substring(CoordinationContext.UuidScheme.Length), out txIdGuid)) { return txIdGuid; } } // // Interop path // // Create a guid deterministically, using the transaction id as input // For obvious reasons, we need a 128-bit hash. // We can't use entropy because we want to be deterministic. Collisions are only fatal // if they occur often enough to coincide in a log. // // We do this to avoid deadlocks in RMs who might participant in the same // transaction through WS-AT and some other protocol that doesn't know about // the WS-AT specific id HashAlgorithm hash = SHA256.Create(); using (hash) { hash.Initialize(); byte[] buffer = Encoding.UTF8.GetBytes(transactionId); byte[] fullHash = hash.ComputeHash(buffer); // Grab the first 128 bits off the hash - see MB 40808 for more details byte[] hash128 = new byte[16]; Array.Copy(fullHash, hash128, hash128.Length); return new Guid(hash128); } } // // Addresses // public static string TryGetAddress(Proxy proxy) { if (proxy == null) { return "unknown"; } return proxy.To.Uri.AbsoluteUri; } public static string TryGetFromAddress(Message message) { string address; EndpointAddress replyTo = Library.GetReplyToHeader(message.Headers); if (replyTo != null) { address = replyTo.Uri.AbsoluteUri; if (address != null) { return address; } } return "unknown"; } public static bool TryGetEnlistment(Message message, out Guid enlistmentId, out ControlProtocol protocol) { enlistmentId = Guid.Empty; protocol = ControlProtocol.None; try { if (!EnlistmentHeader.ReadFrom(message, out enlistmentId, out protocol)) { return false; } } catch (InvalidEnlistmentHeaderException e) { DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Warning); return false; } return true; } public static bool TryGetEnlistment(Message message, out Guid enlistmentId) { ControlProtocol dontCare; return TryGetEnlistment(message, out enlistmentId, out dontCare); } } } // 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
- DrawingBrush.cs
- NamedPipeChannelListener.cs
- DataServiceBuildProvider.cs
- PolyLineSegment.cs
- AlternateView.cs
- PropertySegmentSerializationProvider.cs
- TypeSystemHelpers.cs
- XmlDomTextWriter.cs
- ActionFrame.cs
- SystemIPv4InterfaceProperties.cs
- _OverlappedAsyncResult.cs
- StringSource.cs
- NegatedConstant.cs
- ConfigurationStrings.cs
- EnumBuilder.cs
- ImageDrawing.cs
- HoistedLocals.cs
- QueryContinueDragEvent.cs
- CodeConditionStatement.cs
- ScriptControlDescriptor.cs
- XmlDocumentViewSchema.cs
- ActivitiesCollection.cs
- WorkflowApplicationAbortedEventArgs.cs
- TdsParserHelperClasses.cs
- TransactionFilter.cs
- AuthorizationContext.cs
- EntityFunctions.cs
- SamlAssertionKeyIdentifierClause.cs
- VisualBasicDesignerHelper.cs
- MembershipValidatePasswordEventArgs.cs
- PermissionToken.cs
- RootBrowserWindowProxy.cs
- log.cs
- StringFreezingAttribute.cs
- RegistrationServices.cs
- IncrementalCompileAnalyzer.cs
- HttpModuleActionCollection.cs
- MembershipValidatePasswordEventArgs.cs
- ConfigXmlCDataSection.cs
- XNodeNavigator.cs
- SqlMethodCallConverter.cs
- BatchServiceHost.cs
- ThreadNeutralSemaphore.cs
- GridViewUpdatedEventArgs.cs
- CodeDefaultValueExpression.cs
- UpdateExpressionVisitor.cs
- SoapProtocolReflector.cs
- SpAudioStreamWrapper.cs
- BinaryNode.cs
- SymmetricAlgorithm.cs
- VisualTreeUtils.cs
- AmbientLight.cs
- Hashtable.cs
- PaperSize.cs
- Point3DAnimation.cs
- InputLangChangeRequestEvent.cs
- ToolStripProfessionalLowResolutionRenderer.cs
- RoleService.cs
- SoapSchemaExporter.cs
- ClientRoleProvider.cs
- IteratorDescriptor.cs
- WebPartCloseVerb.cs
- IncrementalCompileAnalyzer.cs
- LocalizableAttribute.cs
- TranslateTransform.cs
- ToolStripDropDownClosingEventArgs.cs
- Bezier.cs
- BuilderPropertyEntry.cs
- ReadingWritingEntityEventArgs.cs
- SqlParameter.cs
- IItemContainerGenerator.cs
- DeflateStream.cs
- XmlChildEnumerator.cs
- MaskInputRejectedEventArgs.cs
- OneOfElement.cs
- precedingquery.cs
- VirtualizedCellInfoCollection.cs
- WebPartMenu.cs
- ThicknessKeyFrameCollection.cs
- DataGridViewAddColumnDialog.cs
- ISAPIApplicationHost.cs
- RawStylusActions.cs
- SQLBinaryStorage.cs
- DashStyles.cs
- HtmlInputText.cs
- DataServiceEntityAttribute.cs
- TextRangeBase.cs
- ExpressionCopier.cs
- LongTypeConverter.cs
- EdmTypeAttribute.cs
- DocumentPageTextView.cs
- Material.cs
- TrackBarRenderer.cs
- ClientRolePrincipal.cs
- BoolLiteral.cs
- ClientSponsor.cs
- AssemblyBuilder.cs
- DataListItemCollection.cs
- Persist.cs
- DateRangeEvent.cs