isle/go/nebula/device.go

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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)
}