package core import ( "io" "io/ioutil" "github.com/golang/protobuf/proto" "v2ray.com/core/common/errors" ) // ConfigLoader is an utility to load V2Ray config from external source. type ConfigLoader func(input io.Reader) (*Config, error) var configLoaderCache = make(map[ConfigFormat]ConfigLoader) // RegisterConfigLoader add a new ConfigLoader. func RegisterConfigLoader(format ConfigFormat, loader ConfigLoader) error { configLoaderCache[format] = loader return nil } // LoadConfig loads config with given format from given source. func LoadConfig(format ConfigFormat, input io.Reader) (*Config, error) { loader, found := configLoaderCache[format] if !found { return nil, errors.New("Core: ", ConfigFormat_name[int32(format)], " is not loadable.") } return loader(input) } func loadProtobufConfig(input io.Reader) (*Config, error) { config := new(Config) data, _ := ioutil.ReadAll(input) if err := proto.Unmarshal(data, config); err != nil { return nil, err } return config, nil } func init() { RegisterConfigLoader(ConfigFormat_Protobuf, loadProtobufConfig) }