public Transaction UnmarshalTransaction(WsatTransactionInfo info) { if (info.Context.ProtocolVersion != this.protocolVersion) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.ServiceModel.SR.GetString("InvalidWsatProtocolVersion"))); } if (this.wsatConfig.OleTxUpgradeEnabled) { byte[] propagationToken = info.Context.PropagationToken; if (propagationToken != null) { try { return(OleTxTransactionInfo.UnmarshalPropagationToken(propagationToken)); } catch (TransactionException exception) { DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Warning); } if (DiagnosticUtility.ShouldTraceInformation) { TraceUtility.TraceEvent(TraceEventType.Information, 0xe000e, System.ServiceModel.SR.GetString("TraceCodeTxFailedToNegotiateOleTx", new object[] { info.Context.Identifier })); } } } CoordinationContext context = info.Context; if (!this.wsatConfig.IsLocalRegistrationService(context.RegistrationService, this.protocolVersion)) { if (!this.wsatConfig.IsProtocolServiceEnabled(this.protocolVersion)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TransactionException(System.ServiceModel.SR.GetString("WsatProtocolServiceDisabled", new object[] { this.protocolVersion }))); } if (!this.wsatConfig.InboundEnabled) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TransactionException(System.ServiceModel.SR.GetString("InboundTransactionsDisabled"))); } if (this.wsatConfig.IsDisabledRegistrationService(context.RegistrationService)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TransactionException(System.ServiceModel.SR.GetString("SourceTransactionsDisabled"))); } context = this.CreateCoordinationContext(info); } Guid localTransactionId = context.LocalTransactionId; if (localTransactionId == Guid.Empty) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TransactionException(System.ServiceModel.SR.GetString("InvalidCoordinationContextTransactionId"))); } return(OleTxTransactionInfo.UnmarshalPropagationToken(MarshalPropagationToken(ref localTransactionId, context.IsolationLevel, context.IsolationFlags, context.Description))); }
public Transaction UnmarshalTransaction(WsatTransactionInfo info) { if (info.Context.ProtocolVersion != this.protocolVersion) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new ArgumentException(SR.GetString(SR.InvalidWsatProtocolVersion))); } if (wsatConfig.OleTxUpgradeEnabled) { byte[] propToken = info.Context.PropagationToken; if (propToken != null) { try { return(OleTxTransactionInfo.UnmarshalPropagationToken(propToken)); } catch (TransactionException e) { DiagnosticUtility.TraceHandledException(e, TraceEventType.Warning); } // Fall back to WS-AT unmarshal if (DiagnosticUtility.ShouldTraceInformation) { TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.TxFailedToNegotiateOleTx, SR.GetString(SR.TraceCodeTxFailedToNegotiateOleTx, info.Context.Identifier)); } } } // Optimization: if the context's registration service points to our local TM, we can // skip the CreateCoordinationContext step CoordinationContext localContext = info.Context; if (!this.wsatConfig.IsLocalRegistrationService(localContext.RegistrationService, this.protocolVersion)) { // Our WS-AT protocol service for the context's protocol version should be enabled if (!this.wsatConfig.IsProtocolServiceEnabled(this.protocolVersion)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new TransactionException(SR.GetString(SR.WsatProtocolServiceDisabled, this.protocolVersion))); } // We should have enabled inbound transactions if (!this.wsatConfig.InboundEnabled) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new TransactionException(SR.GetString(SR.InboundTransactionsDisabled))); } // The sender should have enabled both WS-AT and outbound transactions if (this.wsatConfig.IsDisabledRegistrationService(localContext.RegistrationService)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new TransactionException(SR.GetString(SR.SourceTransactionsDisabled))); } // Ask the WS-AT protocol service to unmarshal the transaction localContext = CreateCoordinationContext(info); } Guid transactionId = localContext.LocalTransactionId; if (transactionId == Guid.Empty) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new TransactionException(SR.GetString(SR.InvalidCoordinationContextTransactionId))); } byte[] propagationToken = MarshalPropagationToken(ref transactionId, localContext.IsolationLevel, localContext.IsolationFlags, localContext.Description); return(OleTxTransactionInfo.UnmarshalPropagationToken(propagationToken)); }