using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace tera.commons.utils
{
public class Functions
{
public static double IPAddressToNumber(string IPaddress)
{
if (IPaddress == "")
return 0;
int i;
string[] arrDec;
double num = 0;
arrDec = IPaddress.Split('.');
for (i = arrDec.Length - 1; i >= 0; i = i - 1)
{
num += ((int.Parse(arrDec[i]) % 256) * Math.Pow(256, (3 - i)));
}
return num;
}
}
}