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)); }