protected Exception CreateException(InvalidDataException innerException, string framingFault)
{
Exception result = CreateException(innerException);
FramingEncodingString.AddFaultString(result, framingFault);
return(result);
}
protected override Exception OnSizeQuotaExceeded(int size)
{
Exception result = new InvalidDataException(SR.Format(SR.FramingContentTypeTooLong, size));
FramingEncodingString.AddFaultString(result, FramingEncodingString.ContentTypeTooLongFault);
return(result);
}
void OnConnectionModeKnownCore(ConnectionModeReader modeReader, bool isCached)
{
lock (ThisLock)
{
if (isDisposed)
{
return;
}
connectionReaders.Remove(modeReader);
}
bool closeReader = true;
try
{
FramingMode framingMode;
try
{
framingMode = modeReader.GetConnectionMode();
}
catch (CommunicationException exception)
{
TraceEventType eventType = modeReader.Connection.ExceptionEventType;
DiagnosticUtility.TraceHandledException(exception, eventType);
return;
}
catch (TimeoutException exception)
{
if (!isCached)
{
exception = new TimeoutException(SR.Format(SR.ChannelInitializationTimeout, channelInitializationTimeout), exception);
ErrorBehaviorHelper.ThrowAndCatch(exception);
}
TraceEventType eventType = modeReader.Connection.ExceptionEventType;
DiagnosticUtility.TraceHandledException(exception, eventType);
return;
}
switch (framingMode)
{
case FramingMode.Duplex:
OnDuplexConnection(modeReader.Connection, modeReader.ConnectionDequeuedCallback,
modeReader.StreamPosition, modeReader.BufferOffset, modeReader.BufferSize,
modeReader.GetRemainingTimeout());
break;
case FramingMode.Singleton:
OnSingletonConnection(modeReader.Connection, modeReader.ConnectionDequeuedCallback,
modeReader.StreamPosition, modeReader.BufferOffset, modeReader.BufferSize,
modeReader.GetRemainingTimeout());
break;
default:
{
Exception inner = new InvalidDataException(SR.Format(
SR.FramingModeNotSupported, framingMode));
Exception exception = new ProtocolException(inner.Message, inner);
FramingEncodingString.AddFaultString(exception, FramingEncodingString.UnsupportedModeFault);
ErrorBehaviorHelper.ThrowAndCatch(exception);
return;
}
}
closeReader = false;
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
if (!ExceptionHandlerHelper.HandleTransportExceptionHelper(e))
{
throw;
}
// containment -- the reader is aborted, no need for additional containment
}
finally
{
if (closeReader)
{
modeReader.Dispose();
}
}
}
bool ContinueReading()
{
for (;;)
{
if (size == 0)
{
if (readCallback == null)
{
readCallback = ReadCallback;
}
if (Connection.BeginRead(0, Connection.AsyncReadBufferSize, GetRemainingTimeout(),
readCallback, this) == AsyncCompletionResult.Queued)
{
break;
}
if (!GetReadResult()) // we're at EOF, bail
{
return(false);
}
}
for (;;)
{
int bytesDecoded;
try
{
bytesDecoded = decoder.Decode(buffer, offset, size);
}
catch (CommunicationException e)
{
// see if we need to send back a framing fault
string framingFault;
if (FramingEncodingString.TryGetFaultString(e, out framingFault))
{
byte[] drainBuffer = new byte[128];
InitialServerConnectionReader.SendFault(
Connection, framingFault, drainBuffer, GetRemainingTimeout(),
MaxViaSize + MaxContentTypeSize);
base.Close(GetRemainingTimeout());
}
throw;
}
if (bytesDecoded > 0)
{
offset += bytesDecoded;
size -= bytesDecoded;
}
if (decoder.CurrentState == ServerModeDecoder.State.Done)
{
return(true);
}
if (size == 0)
{
break;
}
}
}
return(false);
}
