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//----------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System.ServiceModel.Channels;
using System.Diagnostics.CodeAnalysis;
abstract class DurableErrorHandler : IErrorHandler
{
bool debug;
public DurableErrorHandler(bool debug)
{
this.debug = debug;
}
public static void CleanUpInstanceContextAtOperationCompletion()
{
if (OperationContext.Current == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.NoOperationContext));
}
DurableMessageDispatchInspector.SuppressContextOnReply(OperationContext.Current);
OperationContext.Current.InstanceContext.IncomingChannels.Clear();
}
public bool HandleError(Exception error)
{
return IsUserCodeException(error);
}
[SuppressMessage("Microsoft.Globalization", "CA1304")]
public void ProvideFault(Exception error, MessageVersion version, ref Message fault)
{
if (fault == null && IsUserCodeException(error))
{
FaultCode code = new FaultCode(FaultCodeConstants.Codes.InternalServiceFault, FaultCodeConstants.Namespaces.NetDispatch);
code = FaultCode.CreateReceiverFaultCode(code);
string action = FaultCodeConstants.Actions.NetDispatcher;
MessageFault messageFault;
if (this.debug)
{
Exception toTrace = GetExceptionToTrace(error);
messageFault = MessageFault.CreateFault(code, new FaultReason(toTrace.Message), new ExceptionDetail(toTrace));
}
else
{
string reason = SR.GetString(SR.SFxInternalServerError);
messageFault = MessageFault.CreateFault(code, new FaultReason(reason));
}
fault = Message.CreateMessage(version, messageFault, action);
}
}
protected virtual Exception GetExceptionToTrace(Exception error)
{
return error;
}
protected abstract bool IsUserCodeException(Exception error);
}
}
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