// retoor <retoor@molodetz.nl>

import "scheduler" for Scheduler

class Dns {
  static lookup(hostname) { lookup(hostname, 0) }

  static lookup(hostname, family) {
    if (!(hostname is String)) Fiber.abort("Hostname must be a string.")
    if (family != 0 && family != 4 && family != 6) {
      Fiber.abort("Family must be 0 (any), 4 (IPv4), or 6 (IPv6).")
    }
    return Scheduler.await_ { lookup_(hostname, family, Fiber.current) }
  }

  foreign static lookup_(hostname, family, fiber)
}