main.go

package main
import (
  “flag”
  “net/http”
  “github.com/gengo/grpc-gateway/runtime”
  “github.com/golang/glog”
  echo “github.com/hadv/grpc/echo”
  “golang.org/x/net/context”
  “google.golang.org/grpc”
)
var (
  echoEndpoint = flag.String(“echo_endpoint”, “localhost:9090”, “endpoint of EchoService”)
)
func Run(address string, opts …runtime.ServeMuxOption) error {
  ctx := context.Background()
  ctx, cancel := context.WithCancel(ctx)
  defer cancel()
  mux := runtime.NewServeMux(opts…)
  dialOpts := []grpc.DialOption{grpc.WithInsecure()}
  err := echo.RegisterEchoServiceHandlerFromEndpoint(ctx, mux, *echoEndpoint, dialOpts)
  if err != nil {
    return err
  }
  http.ListenAndServe(address, mux)
  return nil
}
func main() {
  flag.Parse()
  defer glog.Flush()
  if err := Run(“:8080”); err != nil {
    glog.Fatal(err)
  }
}