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Protobuf Message Constructor


Protobuf Message Constructor

By : Rudi
Date : October 24 2020, 03:08 PM
like below fixes the issue Copy was disabled on purpose. For big protobufs copy is expensive and to prevent accidental copy it was chosen to make CopyFrom() explicit.
Move was not needed and was neglected when C++ 11 arrived. The next protobuf release likely have move included.
code :


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Is it possible to send compiled protobuf message definition inside a protobuf?

Is it possible to send compiled protobuf message definition inside a protobuf?


By : KRUNAL SHAH
Date : March 29 2020, 07:55 AM
this one helps. If the original sender has the .proto files, they can be compiled by "protoc" into a protobuf data file, matching "descriptor.proto" (which should be available in your distribution of protobuf). You can do this by using
code :
protoc --descriptor_set_out={out_path} --proto_path={in_path}
Protobuf-net is incompatible with official google Protobuf for C++ (message encoding)

Protobuf-net is incompatible with official google Protobuf for C++ (message encoding)


By : Michael Bryzek
Date : March 29 2020, 07:55 AM
To fix the issue you can do We had some (lots of) classes in .NET. We used protobuf-net to mark them up, and generate .proto wrappers for C++ code side via google original library. , Edit; this should be fixed in r616 and above.
protobuf, How to travel all set fields in a protobuf message which I dont know in detail?(C++)

protobuf, How to travel all set fields in a protobuf message which I dont know in detail?(C++)


By : user1570743
Date : March 29 2020, 07:55 AM
To fix this issue I want to travel the field has been set in a unknown protobuf message. I tried , You retrieve a reflection object:
code :
virtual const Reflection * 
    Message::GetReflection() const
virtual bool Reflection::HasField(const Message & message, const FieldDescriptor * field) const = 0
const FieldDescriptor * 
    Descriptor::field(
        int index) const
Protobuf.ProtoException: No parameterless constructor found... when receiving specific message from client

Protobuf.ProtoException: No parameterless constructor found... when receiving specific message from client


By : user3158924
Date : March 29 2020, 07:55 AM
I wish this help you I resolved the issue by keeping track of the last message that was sent (the one that kept triggering the error) and resending it. Whenever a Protobuf Exception was thrown, the program assumes that it was due to an empty buffer.
This is not the greatest solution, in fact it's very "hacky," but it resolves the immediate problem that I had.
how to compile protobuf message implement Parcelable with android studio protobuf plugin?

how to compile protobuf message implement Parcelable with android studio protobuf plugin?


By : Dev Machinist
Date : March 29 2020, 07:55 AM
this will help there was cmdline options to generate message implement parcelable like this: , try add
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