No, the in-memory representation of a C# message is in no way related to
the serialized representation.
If your C++ code is just sending the serialized protobuf though, I don't
think you'd need to deserialize in the C++ code - just serialize in C#,
pass the byte array to the C++ code, and get that to send it directly.
(This is what gRPC does, for example.)
On Sunday, 28 May 2017 22:23:15 UTC+1, Mike Bennett wrote:
> Hi -- I have a C++ library which sends protobuf messages over the network
> and I'd like to
> provide a C# wrapper that allows the client application the ability to
> generate a protobuf,
> pass it to native code and have the native code consume it directly.
> Is the C# 'at rest' representation of a protobuf message compatible with a
> C++ layout
> of the same message? That is, if I've created C# code that built a
> protobuf message,
> can I directly pass it somehow to C++ as a protobuf (if I could get the
> raw byte pointer
> to the message), or do I have to first serialize it to a buffer, pass the
> serialized buffer
> to C++ then deserialize it in C++?
> I'd really like to avoid the deserialization/serialization on either side
> of the C#/C++
> boundary for performance.
> Thanks for any information or pointers!
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