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using System;
using System.Collections.Generic;
using System.Text;
using System.ServiceModel.Channels;
using System.ServiceModel;
namespace System.ServiceModel.Dispatcher
{
internal class ErrorProcessingHandler : BaseRequestProcessorHandler
{
public ErrorProcessingHandler (IChannel channel)
{
duplex = channel as IDuplexChannel;
}
IDuplexChannel duplex;
protected override bool ProcessRequest (MessageProcessingContext mrc)
{
Exception ex = mrc.ProcessingException;
DispatchRuntime dispatchRuntime = mrc.OperationContext.EndpointDispatcher.DispatchRuntime;
//invoke all user handlers
ChannelDispatcher channelDispatcher = dispatchRuntime.ChannelDispatcher;
foreach (IErrorHandler handler in channelDispatcher.ErrorHandlers)
if (handler.HandleError (ex))
break;
// FIXME: remove them. FaultConverter also covers errors like EndpointNotFoundException, which this handler never covers. And checking converter twice is extraneous, so this part is just extraneous.
// FIXME: actually everything is done in OperationInvokerHandler now...
FaultConverter fc = FaultConverter.GetDefaultFaultConverter (dispatchRuntime.ChannelDispatcher.MessageVersion);
Message res = null;
if (!fc.TryCreateFaultMessage (ex, out res))
throw ex;
mrc.ReplyMessage = res;
if (duplex != null)
mrc.Reply (duplex, true);
else
mrc.Reply (true);
return false;
}
}
}
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