protected override Message DecodeMessage(byte[] buffer, ref int offset, ref int size, ref bool isAtEof, TimeSpan timeout)
{
while (!isAtEof && size > 0)
{
int bytesRead = decoder.Decode(buffer, offset, size);
if (bytesRead > 0)
{
if (EnvelopeBuffer != null)
{
if (!object.ReferenceEquals(buffer, EnvelopeBuffer))
{
System.Buffer.BlockCopy(buffer, offset, EnvelopeBuffer, EnvelopeOffset, bytesRead);
}
EnvelopeOffset += bytesRead;
}
offset += bytesRead;
size -= bytesRead;
}
switch (decoder.CurrentState)
{
case ServerSessionDecoder.State.EnvelopeStart:
int envelopeSize = decoder.EnvelopeSize;
if (envelopeSize > maxBufferSize)
{
base.SendFault(FramingEncodingString.MaxMessageSizeExceededFault, timeout);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(maxBufferSize));
}
EnvelopeBuffer = bufferManager.TakeBuffer(envelopeSize);
EnvelopeOffset = 0;
EnvelopeSize = envelopeSize;
break;
case ServerSessionDecoder.State.EnvelopeEnd:
if (EnvelopeBuffer != null)
{
Message message = null;
try
{
message = messageEncoder.ReadMessage(new ArraySegment <byte>(EnvelopeBuffer, 0, EnvelopeSize), bufferManager, contentType);
}
catch (XmlException xmlException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.Format(SR.MessageXmlProtocolError), xmlException));
}
EnvelopeBuffer = null;
return(message);
}
break;
case ServerSessionDecoder.State.End:
isAtEof = true;
break;
}
}
return(null);
}
protected override int Decode(byte[] buffer, int offset, int size)
{
return(decoder.Decode(buffer, offset, size));
}