Protobuf

# Distribute protobuf files

A general idea is to distribute .proto files via a git repo and managing releases from this central place.

What this does is:

• Put all release related tooling at single place.
• Version control .proto files.
• Provide a review process on contracts.

References are:

• https://medium.com/namely-labs/how-we-build-grpc-services-at-namely-52a3ae9e7c35
• https://stackoverflow.com/a/62128550/6645446

# Useful tools

• Online Protobuf Decoder - https://protobuf-decoder.netlify.app/

# Tips and tricks

## Decode protobuf bytes locally

### With unknown type

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echo '22 05 68 65 6c 6c 6f' \
  | xxd -r -p \
  | protoc --decode_raw

4: "hello"

### With known type

Content of test.proto

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message Test {
  optional string s = 4;
}

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echo '22 05 68 65 6c 6c 6f' \
  | xxd -r -p \
  | protoc --decode Test ./test.proto

s: "hello"