Tag Archives: protobuf

Useful links for proto generator development

https://rotemtam.com/2021/03/22/creating-a-protoc-plugin-to-gen-go-code/ https://medium.com/@tim.r.coulson/writing-a-protoc-plugin-with-google-golang-org-protobuf-cd5aa75f5777 https://github.com/nametake/protoc-gen-gohttp https://github.com/drekle/protoc-gen-goexample/blob/c60883c9711f3cfbd5191fd697651dbd067e6fdd/main.go#L135 https://github.com/grpc-ecosystem/grpc-gateway/blob/24434e22fb9734f1a62c81c4ea246125d7844645/examples/internal/proto/examplepb/echo_service_grpc.pb.go https://pkg.go.dev/google.golang.org/protobuf/compiler/protogen#Options.Run https://github.com/lyft/protoc-gen-star https://go.dev/blog/protobuf-apiv2 https://docs.buf.build/build/usage/#configuration https://github.com/grpc-ecosystem/grpc-gateway https://github.com/googleapis/googleapis/tree/master/google/api https://github.com/bufbuild/buf https://stackoverflow.com/questions/36540427/cannot-find-package-google-protobuf https://pkg.go.dev/google.golang.org/protobuf https://developers.google.com/protocol-buffers/docs/reference/go-generated#package https://stackoverflow.com/questions/61666805/correct-format-of-protoc-go-package https://grpc.io/docs/languages/go/quickstart/ https://github.com/protocolbuffers/protobuf/tree/master/src/google/protobuf https://github.com/gogo/protobuf/blob/b03c65ea87cdc3521ede29f62fe3ce239267c1bc/protobuf/google/protobuf/descriptor.proto

Nullable fields in json generated from protobuf file

Native support With grpc v2 for go, protofile’s optional option is supported, so you don’t need to import proto extensions anymore and use things like google.protobuf.StringValue. my.proto

go mapper

Legacy way with extensions Null for nil value my.proto

go mapper

Which will lead to this json response

Omit a field …

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Complete list of swagger options to protobuf file

Here is an example with many options that help generate proper swagger out of protofile. Original URL — https://raw.githubusercontent.com/grpc-ecosystem/grpc-gateway/master/examples/internal/proto/examplepb/a_bit_of_everything.proto.

Installing protobuf tools on MacOS

Installing protoc

Or follow different instructions. Installing grpc_cli Option 1. Easy way.

It is described here — https://github.com/grpc/homebrew-grpc. Option 2. Hard way — using cmake and make. NOT RECOMMENDED.

Or follow these instructions