package nebula

import (
	"fmt"
	"sync/atomic"
)

var deviceCounter = new(atomic.Uint64)

// GetDeviceName returns the network device name to use for a particular
// network. Each returns name is gauranteed to be unique for the lifetime of the
// process.
func GetDeviceName(networkID string) string {
	i := deviceCounter.Add(1) - 1
	// the returned string will be too long for linux, but it will get
	// automatically truncated.
	return fmt.Sprintf("isle%d-%s", i, networkID)
}