feat: refactor.

utils/daemon.go

@@ -0,0 +1,39 @@
+package utils
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+func stripSlice(slice []string, element string) []string {
+	for i := 0; i < len(slice); {
+		if slice[i] == element && i != len(slice)-1 {
+			slice = append(slice[:i], slice[i+1:]...)
+		} else if slice[i] == element && i == len(slice)-1 {
+			slice = slice[:i]
+		} else {
+			i++
+		}
+	}
+	return slice
+}
+
+func subProcess(args []string) *exec.Cmd {
+	cmd := exec.Command(args[0], args[1:]...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err := cmd.Start()
+	if err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "[-] Error: %s\n", err)
+	}
+	return cmd
+}
+
+// BeDaemon 将当前进程转为守护进程
+func BeDaemon(arg string) {
+	subProcess(stripSlice(os.Args, arg))
+	fmt.Printf("[*] Daemon running in PID: %d PPID: %d\n", os.Getpid(), os.Getppid())
+	os.Exit(0)
+}