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main.go
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main.go
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package main
import (
"context"
_ "embed"
"errors"
"fmt"
"log"
"net"
"net/http"
"google.golang.org/grpc"
docshandler "github.com/curioswitch/go-docs-handler"
"github.com/curioswitch/go-docs-handler/examples/grpc/greet"
grpcdocs "github.com/curioswitch/go-docs-handler/plugins/grpc"
)
//go:embed greet/descriptors.pb
var greetDescriptors []byte
func main() {
server := grpc.NewServer()
defer server.Stop()
greet.RegisterGreetServiceServer(server, service{})
docsHandler, err := docshandler.New(grpcdocs.NewPlugin(server,
grpcdocs.WithSerializedDescriptors(greetDescriptors),
grpcdocs.WithExampleRequests("greet.GreetService/Greet",
&greet.GreetingRequest{
Greeting: &greet.Greeting{
Name: &greet.Greeting_Nickname{
Nickname: "Choko",
},
},
},
&greet.GreetingRequest{
Greeting: &greet.Greeting{
Name: &greet.Greeting_FullName_{
FullName: &greet.Greeting_FullName{
FirstName: "Choko",
LastName: "Switch",
},
},
},
},
&greet.GreetingRequest{
Greeting: &greet.Greeting{
Name: &greet.Greeting_KnownName_{
KnownName: greet.Greeting_BOB,
},
},
})))
if err != nil {
log.Fatal(err)
}
go func() {
if err := http.ListenAndServe(":8081", docsHandler); !errors.Is(err, http.ErrServerClosed) {
log.Fatal(err)
}
}()
list, err := net.Listen("tcp", ":8080")
if err != nil {
log.Fatal(err)
}
if err := server.Serve(list); err != nil {
log.Fatal(err)
}
}
type service struct {
greet.UnimplementedGreetServiceServer
}
func (service) Greet(ctx context.Context, req *greet.GreetingRequest) (*greet.GreetingResponse, error) {
res := "Who are you?"
g := req.Greeting
switch n := g.GetName().(type) {
case *greet.Greeting_Nickname:
res = fmt.Sprintf("Hello there, %s", n.Nickname)
case *greet.Greeting_FullName_:
res = fmt.Sprintf("Hello there, %s %s", n.FullName.GetFirstName(), n.FullName.GetLastName())
case *greet.Greeting_KnownName_:
switch n.KnownName {
case greet.Greeting_BOB:
res = "Hello there, Bob"
case greet.Greeting_ALICE:
res = "Hello there, Alice"
}
}
return &greet.GreetingResponse{
Result: res,
}, nil
}