Refactor adapter

cmd/sing-box/main.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/sagernet/sing-box"
+	"github.com/sagernet/sing-box/config"
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	logrus.StandardLogger().SetLevel(logrus.TraceLevel)
+	logrus.StandardLogger().Formatter.(*logrus.TextFormatter).ForceColors = true
+}
+
+var configPath string
+
+func main() {
+	command := &cobra.Command{
+		Use: "sing-box",
+		Run: run,
+	}
+	command.Flags().StringVarP(&configPath, "config", "c", "config.json", "set configuration file path")
+	if err := command.Execute(); err != nil {
+		logrus.Fatal(err)
+	}
+}
+
+func run(cmd *cobra.Command, args []string) {
+	configContent, err := os.ReadFile(configPath)
+	if err != nil {
+		logrus.Fatal("read config: ", err)
+	}
+	var boxConfig config.Config
+	err = json.Unmarshal(configContent, &boxConfig)
+	if err != nil {
+		logrus.Fatal("parse config: ", err)
+	}
+	ctx, cancel := context.WithCancel(context.Background())
+	service, err := box.NewService(ctx, &boxConfig)
+	if err != nil {
+		logrus.Fatal("create service: ", err)
+	}
+	err = service.Start()
+	if err != nil {
+		logrus.Fatal("start service: ", err)
+	}
+	osSignals := make(chan os.Signal, 1)
+	signal.Notify(osSignals, os.Interrupt, syscall.SIGTERM)
+	<-osSignals
+	cancel()
+	service.Close()
+}