/
main.go
61 lines (54 loc) · 1.79 KB
/
main.go
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package main
import (
"context"
"fmt"
"log"
"net"
"net/http"
"time"
"connectrpc.com/connect"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
greetv1 "go.vallahaye.net/connect-gateway/example/gen/proto/go/greet/v1"
"go.vallahaye.net/connect-gateway/example/gen/proto/go/greet/v1/greetv1connect"
"golang.org/x/net/http2"
"golang.org/x/net/http2/h2c"
)
func main() {
lis, err := net.Listen("tcp", ":50051")
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
exampleSrv := newExampleServer(&greetServiceHandlerImpl{})
if err := exampleSrv.Serve(lis); err != http.ErrServerClosed {
log.Fatalf("failed to serve: %v", err)
}
}
func newExampleServer(greetSvc greetv1connect.GreetServiceHandler) *http.Server {
router := chi.NewRouter()
router.Use(middleware.RequestID)
router.Use(middleware.Logger)
router.Use(middleware.Timeout(5 * time.Second))
router.Mount(greetv1connect.NewGreetServiceHandler(greetSvc))
router.Mount(newExampleGatewayHandler(greetSvc))
return &http.Server{
Handler: h2c.NewHandler(router, &http2.Server{}),
ReadTimeout: 5 * time.Second,
WriteTimeout: 5 * time.Second,
IdleTimeout: 120 * time.Second,
MaxHeaderBytes: 10 * 1024,
}
}
func newExampleGatewayHandler(greetSvc greetv1connect.GreetServiceHandler) (string, http.Handler) {
mux := runtime.NewServeMux()
greetv1connect.RegisterGreetServiceHandlerGatewayServer(mux, greetSvc)
return "/", mux
}
type greetServiceHandlerImpl struct{}
func (s *greetServiceHandlerImpl) Greet(ctx context.Context, req *connect.Request[greetv1.GreetRequest]) (*connect.Response[greetv1.GreetResponse], error) {
msg := &greetv1.GreetResponse{
Greeting: fmt.Sprintf("Hello %s!", req.Msg.Name),
}
return connect.NewResponse(msg), nil
}