Refactor shared

config/debug.go

@@ -0,0 +1,31 @@
+package config
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime/debug"
+
+	"github.com/sagernet/sing-box/option"
+)
+
+func SaveCurrentConfig(path string, options option.Options) error {
+	var buffer bytes.Buffer
+	json.NewEncoder(&buffer)
+	encoder := json.NewEncoder(&buffer)
+	encoder.SetIndent("", "  ")
+	err := encoder.Encode(options)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(filepath.Join(path, "current-config.json"), buffer.Bytes(), 0777)
+}
+
+func DeferPanicToError(name string, err func(error)) {
+	if r := recover(); r != nil {
+		s := fmt.Errorf("%s panic: %s\n%s", name, r, string(debug.Stack()))
+		err(s)
+	}
+}