depot/packages/networking/hyprspace/cli/down.go

62 lines
1.4 KiB
Go

package cli
import (
"fmt"
"os"
"path/filepath"
"strconv"
"github.com/DataDrake/cli-ng/v2/cmd"
"github.com/hyprspace/hyprspace/tun"
)
// Down brings down a Hyprspace interface and removes it from the system.
var Down = cmd.Sub{
Name: "down",
Alias: "d",
Short: "Bring Down A Hyprspace Interface.",
Args: &DownArgs{},
Run: DownRun,
}
// DownArgs handles the specific arguments for the down command.
type DownArgs struct {
InterfaceName string
}
// DownRun handles the execution of the down command.
func DownRun(r *cmd.Root, c *cmd.Sub) {
// Parse Command Args
args := c.Args.(*DownArgs)
// Parse Global Config Flag for Custom Config Path
configPath := r.Flags.(*GlobalFlags).Config
if configPath == "" {
configPath = "/etc/hyprspace/" + args.InterfaceName + ".yaml"
}
// Read lock from file system to stop process.
lockPath := filepath.Join(filepath.Dir(configPath), args.InterfaceName+".lock")
out, err := os.ReadFile(lockPath)
checkErr(err)
pid, err := strconv.Atoi(string(out))
checkErr(err)
process, err := os.FindProcess(pid)
checkErr(err)
err0 := process.Signal(os.Interrupt)
err1 := tun.Delete(args.InterfaceName)
// Different types of systems may need the tun devices destroyed first or
// the process to exit first don't worry as long as one of these two has
// succeeded.
if err0 != nil && err1 != nil {
checkErr(err0)
checkErr(err1)
}
fmt.Println("[+] deleted hyprspace " + args.InterfaceName + " daemon")
}