ip to decimal conversion

ipv4.groovy

def toStringIp(long l) {
    return ( (l >> 24) & 0xFF) + "." + ( (l >> 16) & 0xFF) + "." +
    ( (l >> 8) & 0xff) + "." + (l & 0xFF);
}

def long toLong(String ip) {
    if (!ip) {
      return -1
    }
    def octets = ip.split("\\.")
    long ip_ret = 0
    if (octets.size() != 4) {
       return -1
    }
    for (int i = 3; i >= 0; i--) {
        long octet = Long.parseLong(octets[3 - i]);
        if (octet > 255 || octet < 0) {
            return -1
        }
        ip_ret |= octet << (i * 8)
    }
    return ip_ret
}

rand = new Random()
max = 255
def success_list = []
def getRandom() {
    return rand.nextInt(max + 1)
}

def s = (getRandom() as String) + "." + (getRandom() as String) + "." + (getRandom() as String) + "." + (getRandom() as String)
 
def to_l = toLong(s.trim())
def back = toStringIp(to_l)
 if (s != back) {
    println "not equal"
} else {
    println "OK"
}