scala ipコンバータ

spark         ip            ，   ip       ，        。     scala ip              。

object ip {
  def main(args: Array[String]) {
    long2ip(ip2long("12222.168.1.1000"))
  }

  def ip2long(ip: String): Long ={
    val Array(a, b, c, d) = ip.split( """\.""")
    val retVal = (a.toLong << 24) + (b.toLong << 16) + (c.toLong << 8) + (d.toLong)
    printf(s"value=$retVal
")
    retVal
  }

  def long2ip(ip:Long): Unit ={

    val a:Long = (ip >>> 24) & 0xff
    val b:Long = (ip >>> 16) & 0xff
    val c:Long = (ip >>> 8) & 0xff
    val d:Long = (ip) & 0xff

    printf(s"ip=$a.$b.$c.$d")
  }
}