Auto-generated C++ gRPC API
Protobuf-compiler must be installed and have appropriate version. Also, grpc-plugins needed for code generating.
cd proto && \
protoc -I . --grpc_out=../src/ --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ./rpc.proto &&\
protoc -I . --cpp_out=../src/ ./*.proto && \
cd -