Protobuf code generator (command)

[Alma-media]

Related to #73

semaphore.greeter.Say@127.0.0.1:50051> show service
+---------+-------+-----------------+------------------+
| SERVICE |  RPC  |  REQUEST TYPE   |  RESPONSE TYPE   |
+---------+-------+-----------------+------------------+
| Say     | Hello | SayHelloRequest | SayHelloResponse |
+---------+-------+-----------------+------------------+

$ go run main.go generate protobuf  -f ../../examples/grpc/gateway/config.hcl 
syntax = "proto2";

package semaphore.greeter;

message SayHelloRequest {
  optional string name = 1;
}

message SayHelloResponse {
  optional string msg = 1;

  optional metaNested meta = 2;

  message metaNested {
    optional int64 session = 1;
  }
}

service Say {
  rpc Hello ( SayHelloRequest ) returns ( SayHelloResponse );
}

[codecov-commenter]

Codecov Report

Merging #107 into master will increase coverage by 0.14%.
The diff coverage is 79.16%.

@@            Coverage Diff             @@
##           master     #107      +/-   ##
==========================================
+ Coverage   84.46%   84.60%   +0.14%     
==========================================
  Files          70       70              
  Lines        4409     4398      -11     
==========================================
- Hits         3724     3721       -3     
+ Misses        425      420       -5     
+ Partials      260      257       -3     

Impacted Files	Coverage Δ
pkg/codec/proto/service.go	57.14% <57.14%> (ø)
pkg/transport/grpc/reflection.go	53.06% <83.33%> (+1.99%)	⬆️
pkg/transport/grpc/listener.go	76.85% <93.10%> (+1.85%)	⬆️
pkg/transport/grpc/caller.go	75.00% <100.00%> (+0.84%)	⬆️
pkg/transport/grpc/method.go	84.61% <100.00%> (ø)

[jeroenrinzema]

I like the new structs and interfaces implementations. I just got two small comments.

[jeroenrinzema]

Maybe it is a good idea to add a small warning that all missing directories are created?