Config: Combine filename and format into a new struct (#3687)

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HunterQ 2024-08-16 15:32:05 +10:00 committed by GitHub
parent 11b04807b9
commit 1562e1ffb9
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GPG Key ID: B5690EEEBB952194
2 changed files with 27 additions and 19 deletions

View File

@ -19,14 +19,19 @@ type ConfigFormat struct {
Loader ConfigLoader
}
type ConfigSource struct {
Name string
Format string
}
// ConfigLoader is a utility to load Xray config from external source.
type ConfigLoader func(input interface{}) (*Config, error)
// ConfigBuilder is a builder to build core.Config from filenames and formats
type ConfigBuilder func(files []string, formats []string) (*Config, error)
type ConfigBuilder func(files []*ConfigSource) (*Config, error)
// ConfigsMerger merge multiple json configs into on config
type ConfigsMerger func(files []string, formats []string) (string, error)
type ConfigsMerger func(files []*ConfigSource) (string, error)
var (
configLoaderByName = make(map[string]*ConfigFormat)
@ -55,20 +60,21 @@ func RegisterConfigLoader(format *ConfigFormat) error {
}
func GetMergedConfig(args cmdarg.Arg) (string, error) {
files := make([]string, 0)
formats := make([]string, 0)
var files []*ConfigSource
supported := []string{"json", "yaml", "toml"}
for _, file := range args {
format := getFormat(file)
for _, s := range supported {
if s == format {
files = append(files, file)
formats = append(formats, format)
files = append(files, &ConfigSource{
Name: file,
Format: format,
})
break
}
}
}
return ConfigMergedFormFiles(files, formats)
return ConfigMergedFormFiles(files)
}
func GetFormatByExtension(ext string) string {
@ -101,7 +107,7 @@ func getFormat(filename string) string {
func LoadConfig(formatName string, input interface{}) (*Config, error) {
switch v := input.(type) {
case cmdarg.Arg:
formats := make([]string, len(v))
files := make([]*ConfigSource, len(v))
hasProtobuf := false
for i, file := range v {
var f string
@ -123,7 +129,10 @@ func LoadConfig(formatName string, input interface{}) (*Config, error) {
if f == "protobuf" {
hasProtobuf = true
}
formats[i] = f
files[i] = &ConfigSource{
Name: file,
Format: f,
}
}
// only one protobuf config file is allowed
@ -136,8 +145,7 @@ func LoadConfig(formatName string, input interface{}) (*Config, error) {
}
// to avoid import cycle
return ConfigBuilderForFiles(v, formats)
return ConfigBuilderForFiles(files)
case io.Reader:
if f, found := configLoaderByName[formatName]; found {
return f.Loader(v)

View File

@ -11,8 +11,8 @@ import (
"github.com/xtls/xray-core/main/confloader"
)
func MergeConfigFromFiles(files []string, formats []string) (string, error) {
c, err := mergeConfigs(files, formats)
func MergeConfigFromFiles(files []*core.ConfigSource) (string, error) {
c, err := mergeConfigs(files)
if err != nil {
return "", err
}
@ -23,15 +23,15 @@ func MergeConfigFromFiles(files []string, formats []string) (string, error) {
return "", errors.New("marshal to json failed.").AtError()
}
func mergeConfigs(files []string, formats []string) (*conf.Config, error) {
func mergeConfigs(files []*core.ConfigSource) (*conf.Config, error) {
cf := &conf.Config{}
for i, file := range files {
errors.LogInfo(context.Background(), "Reading config: ", file)
r, err := confloader.LoadConfig(file)
r, err := confloader.LoadConfig(file.Name)
if err != nil {
return nil, errors.New("failed to read config: ", file).Base(err)
}
c, err := ReaderDecoderByFormat[formats[i]](r)
c, err := ReaderDecoderByFormat[file.Format](r)
if err != nil {
return nil, errors.New("failed to decode config: ", file).Base(err)
}
@ -39,13 +39,13 @@ func mergeConfigs(files []string, formats []string) (*conf.Config, error) {
*cf = *c
continue
}
cf.Override(c, file)
cf.Override(c, file.Name)
}
return cf, nil
}
func BuildConfig(files []string, formats []string) (*core.Config, error) {
config, err := mergeConfigs(files, formats)
func BuildConfig(files []*core.ConfigSource) (*core.Config, error) {
config, err := mergeConfigs(files)
if err != nil {
return nil, err
}