Created
November 23, 2016 14:23
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import java.net.InetAddress | |
def IPv4ToLong(dottedIP: String): Long = { | |
val addrArray: Array[String] = dottedIP.split("\\.") | |
var num: Long = 0 | |
var i: Int = 0 | |
while (i < addrArray.length) { | |
val power: Int = 3 - i | |
num = num + ((addrArray(i).toInt % 256) * Math.pow(256, power)).toLong | |
i += 1 | |
} | |
num | |
} | |
def LongToIPv4 (ip : Long) : String = { | |
val bytes: Array[Byte] = new Array[Byte](4) | |
bytes(0) = ((ip & 0xff000000) >> 24).toByte | |
bytes(1) = ((ip & 0x00ff0000) >> 16).toByte | |
bytes(2) = ((ip & 0x0000ff00) >> 8).toByte | |
bytes(3) = (ip & 0x000000ff).toByte | |
InetAddress.getByAddress(bytes).getHostAddress() | |
} | |
scala> IPv4ToLong("10.10.10.10") | |
res0: Long = 168430090 | |
scala> LongToIPv4(168430090L) | |
res1: String = 10.10.10.10 |
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