meter support

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

reflection_test.go

@@ -0,0 +1,62 @@
+package grpc
+
+import (
+	"fmt"
+	"testing"
+
+	_ "go.unistack.org/micro-server-grpc/v3/proto"
+	"go.unistack.org/micro/v3/server"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
+)
+
+type reflector struct{}
+
+func (r *reflector) FindFileByPath(path string) (protoreflect.FileDescriptor, error) {
+	fd, err := protoregistry.GlobalFiles.FindFileByPath(path)
+	if err != nil {
+		fmt.Printf("err: %v\n", err)
+		return nil, err
+	}
+	return fd, nil
+}
+
+func (r *reflector) FindDescriptorByName(name protoreflect.FullName) (protoreflect.Descriptor, error) {
+	fd, err := protoregistry.GlobalFiles.FindDescriptorByName(name)
+	if err != nil {
+		return nil, err
+	}
+	return fd, nil
+}
+
+func (r *reflector) GetServiceInfo() map[string]grpc.ServiceInfo {
+	fmt.Printf("GetServiceInfo\n")
+	return nil
+}
+
+func (r *reflector) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
+	fmt.Printf("FindExtensionByName field %#+v\n", field)
+	return nil, nil
+}
+
+func (r *reflector) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
+	fmt.Printf("FindExtensionByNumber message %#+v field %#+v\n", message, field)
+	return nil, nil
+}
+
+func (r *reflector) RangeExtensionsByMessage(message protoreflect.FullName, f func(protoreflect.ExtensionType) bool) {
+	fmt.Printf("RangeExtensionsByMessage\n")
+}
+
+func TestReflector(t *testing.T) {
+	srv := NewServer(Reflection(&reflector{}), server.Address(":12345"))
+	if err := srv.Init(); err != nil {
+		t.Fatal(err)
+	}
+	if err := srv.Start(); err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("addr %s", srv.Options().Address)
+	select {}
+}