protobuf-net and c++ protocol buffer missing line feeds.

[rui]

Hi,

I am having problem deserializing messages on c++ side

From c#, i do this:

 using (MemoryStream ms = new MemoryStream())

            {

               Serializer.Serialize(ms, instance);

               return ms.ToArray();

            }

This is the class for instance parameter in protocol buffer.

message init_message

{

   optional string subject = 1;

   optional string html_body = 2;

   optional string plain_body = 3;

}

on c++ side, i do, where msg is the byte array passed

entity.ParseFromArray(msg.get_data(), msg.data_length);

but it somehow drops all the line feeds and carriage returns \r\n in the transition for all the member variables.

What could be the reason?

Thanks,

rui

[Marc Gravell]

Well, protobuf-net certainly includes them (it just does a simple UTF-8 conversion, nothing more), and I'm pretty sure the C++ side will be handling them fine.

My guess would be that they are being lost in your code with whatever file / network handling you have in place. In particular, any code that treats the files as text rather than binary, or does automatic line ending conversions (which again, is text-based). Another guess would be that the two machines have different line-ending expectations, and simply: they are **there**, but aren't showing. I might expect this when loading a linux file on Windows, for example.

Marc

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Regards,

Marc

[rui]

Thanks, i confirmed everything is fine after comparing the data using the serialize/deserialize on both sides.

Marc

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Regards,

Marc