On Mon, Feb 26, 2018 at 5:54 AM <[email protected]> wrote: > Hello, > > I'm hoping someone can help me out a bit here.. > > I've developed a C++ GRPC server (Question is protobuf specific though), > that talks with a Java client. The C++ server takes data from an older C++ > API and converts it to protobuf and then uses GRPC to send the data. > > However it appears that there may be a bug in the older API and i'm > occasionally being sent garbage in some char*, which when they get to java > result in an Protocol message had invalid UTF-8. > > It seems slightly odd that on the C++ side the protobuf is happy to accept > and encode invalid data, but the Java side throws an exception. > > Is there anyway from the C++ side to validate the messages strings before > they are sent. I've noticed if i convert the message to JSON the strings > just stop at the first invalid character they reach. I looked at trying to > find a simple UTF8 validation in C++ but not had much luck with this (Sorry > C++ is really noy my main language) > You can use protobuf's VerifyUtf8String() method: https://github.com/google/protobuf/blob/master/src/google/protobuf/wire_format_lite.h#L345
> > Developing in Visual Studio 2017 with C++11 support > > Thanks, > Robin > > -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/protobuf. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
