add micro.codec.Frame special type handling

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

ast.go

@@ -15,47 +15,58 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-var (
-	astFields = make(map[string]map[string]map[string]*structtag.Tags) // map proto file with proto message ast struct
-)
+var astFields = make(map[string]map[string]map[string]*structtag.Tags) // map proto file with proto message ast struct
+
+func (g *Generator) astFill(file *protogen.File, message *protogen.Message) error {
+	for _, field := range message.Fields {
+		if field.Desc.Options() == nil {
+			continue
+		}
+		if !proto.HasExtension(field.Desc.Options(), tag_options.E_Tags) {
+			continue
+		}
+
+		opts := proto.GetExtension(field.Desc.Options(), tag_options.E_Tags)
+		if opts != nil {
+			fpath := filepath.Join(g.tagPath, file.GeneratedFilenamePrefix+".pb.go")
+			mp, ok := astFields[fpath]
+			if !ok {
+				mp = make(map[string]map[string]*structtag.Tags)
+			}
+			nmp, ok := mp[message.GoIdent.GoName]
+			if !ok {
+				nmp = make(map[string]*structtag.Tags)
+			}
+			tags, err := structtag.Parse(opts.(string))
+			if err != nil {
+				return err
+			}
+			nmp[field.GoName] = tags
+			mp[message.GoIdent.GoName] = nmp
+			astFields[fpath] = mp
+		}
+	}
+	for _, nmessage := range message.Messages {
+		if err := g.astFill(file, nmessage); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
 
 func (g *Generator) astGenerate(plugin *protogen.Plugin) error {
 	if g.tagPath == "" {
 		return nil
 	}
+
 	for _, file := range plugin.Files {
 		if !file.Generate {
 			continue
 		}
-
 		for _, message := range file.Messages {
-			for _, field := range message.Fields {
-				if field.Desc.Options() == nil {
-					continue
-				}
-				if !proto.HasExtension(field.Desc.Options(), tag_options.E_Tags) {
-					continue
-				}
-
-				opts := proto.GetExtension(field.Desc.Options(), tag_options.E_Tags)
-				if opts != nil {
-					fpath := filepath.Join(g.tagPath, file.GeneratedFilenamePrefix+".pb.go")
-					mp, ok := astFields[fpath]
-					if !ok {
-						mp = make(map[string]map[string]*structtag.Tags)
-					}
-					nmp, ok := mp[message.GoIdent.GoName]
-					if !ok {
-						nmp = make(map[string]*structtag.Tags)
-					}
-					tags, err := structtag.Parse(opts.(string))
-					if err != nil {
-						return err
-					}
-					nmp[field.GoName] = tags
-					mp[message.GoIdent.GoName] = nmp
-					astFields[fpath] = mp
-				}
+			if err := g.astFill(file, message); err != nil {
+				return err
 			}
 		}
 	}

http.go

@@ -29,6 +29,7 @@ func (g *Generator) httpGenerate(component string, plugin *protogen.Plugin, genC
 
 		gfile.Import(contextPackage)
 		gfile.Import(microApiPackage)
+
 		if genClient {
 			gfile.Import(microClientPackage)
 			gfile.Import(microClientHttpPackage)

util.go

@@ -10,19 +10,17 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-var (
-	httpMethodMap = map[string]string{
-		"GET":     "MethodGet",
-		"HEAD":    "MethodHead",
-		"POST":    "MethodPost",
-		"PUT":     "MethodPut",
-		"PATCH":   "MethodPatch",
-		"DELETE":  "MethodDelete",
-		"CONNECT": "MethodConnect",
-		"OPTIONS": "MethodOptions",
-		"TRACE":   "MethodTrace",
-	}
-)
+var httpMethodMap = map[string]string{
+	"GET":     "MethodGet",
+	"HEAD":    "MethodHead",
+	"POST":    "MethodPost",
+	"PUT":     "MethodPut",
+	"PATCH":   "MethodPatch",
+	"DELETE":  "MethodDelete",
+	"CONNECT": "MethodConnect",
+	"OPTIONS": "MethodOptions",
+	"TRACE":   "MethodTrace",
+}
 
 func unexport(s string) string {
 	return strings.ToLower(s[:1]) + s[1:]
@@ -30,7 +28,7 @@ func unexport(s string) string {
 
 func generateServiceClient(gfile *protogen.GeneratedFile, service *protogen.Service) {
 	serviceName := service.GoName
-	//if rule, ok := getMicroApiService(service); ok {
+	// if rule, ok := getMicroApiService(service); ok {
 	//		gfile.P("// client wrappers ", strings.Join(rule.ClientWrappers, ", "))
 	//	}
 	gfile.P("type ", unexport(serviceName), "Client struct {")
@@ -62,7 +60,11 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 							if strings.HasPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".") {
 								ref = strings.TrimPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".")
 							}
-							gfile.P(`errmap["`, rsp.Name, `"] = &`, ref, "{}")
+							if ref == "micro.codec.Frame" {
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, microCodecPackage.Ident("Frame"), "{}")
+							} else {
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, ref, "{}")
+							}
 						}
 					}
 				}

variables.go

@@ -15,6 +15,7 @@ var (
 	microClientPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/client")
 	microServerPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/server")
 	microClientHttpPackage = protogen.GoImportPath("github.com/unistack-org/micro-client-http/v3")
+	microCodecPackage      = protogen.GoImportPath("github.com/unistack-org/micro/v3/codec")
 	timePackage            = protogen.GoImportPath("time")
 	deprecationComment     = "// Deprecated: Do not use."
 	versionComment         = "v3.4.2"