revert back to multiconfig

main/jsonem/errors.generated.go

@@ -0,0 +1,9 @@
+package jsonem
+
+import "v2ray.com/core/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}

main/jsonem/jsonem.go

@@ -1,15 +1,38 @@
 package jsonem
 
 import (
+	"io"
+
 	"v2ray.com/core"
 	"v2ray.com/core/common"
+	"v2ray.com/core/common/cmdarg"
+	"v2ray.com/core/infra/conf"
 	"v2ray.com/core/infra/conf/serial"
+	"v2ray.com/core/main/confloader"
 )
 
 func init() {
 	common.Must(core.RegisterConfigLoader(&core.ConfigFormat{
 		Name:      "JSON",
 		Extension: []string{"json"},
-		Loader:    serial.LoadJSONConfig,
+		Loader: func(input interface{}) (*core.Config, error) {
+			switch v := input.(type) {
+			case cmdarg.Arg:
+				cf := &conf.Config{}
+				for _, arg := range v {
+					newError("Reading config: ", arg).AtInfo().WriteToLog()
+					r, err := confloader.LoadConfig(arg)
+					common.Must(err)
+					c, err := serial.DecodeJSONConfig(r)
+					common.Must(err)
+					cf.Override(c, arg)
+				}
+				return cf.Build()
+			case io.Reader:
+				return serial.LoadJSONConfig(v)
+			default:
+				return nil, newError("unknow type")
+			}
+		},
 	}))
 }