gRPC HTTP/1.1 bridge

• gRPC architecture overview
• v2 API reference

• If so, when the response is received, the filter buffers it and waits for trailers and then checks the grpc-status code. If it is not zero, the filter switches the HTTP response code to 503. It also copies the grpc-status and grpc-message trailers into the response headers so that the client can look at them if it wishes.
• The client should send HTTP/1.1 requests that translate to the following psuedo headers:
  • :method: POST
  • :path:
• The body should be the serialized grpc body which is:
  • 1 byte of zero (not compressed).
  • network order 4 bytes of proto message length.
  • serialized proto message.