If the gRPC-Go server is crashing, please do file an issue under the grpc-go repository.
For the issue where the python client is not setting the appropriate content-type, please file an issue there. Thanks On Tuesday, February 16, 2021 at 3:27:13 AM UTC-8 Mustafa Khalil wrote: > Good afternoon, > > Hope you are all doing well. > I am trying to implement the code generators for the grpc flatbuffers > library, however i am facing an issue. I have been testing the currnent > implementation that are implemented in the flatbuffers library and > upgrading them to support the latest gRPC v1.35.0. The issue comes to light > whenever i try to call a grpc-go server from any other implementation, the > grpc-go server requires a `content-type` header of type > `application/grpc+flatbuffers` which makes sense. However whenever i try to > set that content-type from any other client the client ignores the set > header and defaults to `application/grpc` which crashes the go gRPC server > since the server is expecting a header with `+flatbuffers` in it for it to > decode and encode the data properly. How should we solve this so we can > include the support of flatbuffers into grpc, which some languages have > integrated properly with (swift, ts, python). > > Is this an issue that should be reported in the `grpc/grpc-go` repository > or the main repository? and if so what would be the solution for this > instance, since according to the > https://github.com/grpc/grpc/blob/v1.35.0/doc/PROTOCOL-HTTP2.md > documentation we can set a custom suffix `Content-Type → "content-type" > "application/grpc" [("+proto" / "+json" / {custom})]` > > example: Go lang to Go lang > > ``` > :method POST > :scheme http > :path /models.Greeter/SayHello > :authority localhost:3000 > content-type application/grpc+flatbuffers > user-agent grpc-go/1.35.0 te trailers grpc-timeout 9997779u > ``` > As you can see if its being called from go lang it doesn't have issues > however when I call the server from the python client it clearly doesn't > append the +flatbuffers suffix > > python to Go lang > > ``` > > :scheme http > > :method POST > :authority localhost:3000 > :path /models.Greeter/SayHello > te trailers > content-type application/grpc > user-agent grpc-python/1.35.0 grpc-c/14.0.0 (osx; chttp2) > ``` > > i've tried this as a solution `with_call(hello_request, > metadata=[('content-type', 'application/grpc+flatbuffers')])`. > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/f51eb077-81e9-4a46-b938-8712d8523780n%40googlegroups.com.
