/// <summary>
/// Initializes a new instance of the <see cref="IpV4Network" /> class.
/// </summary>
/// <param name="address">The IPV4 address.</param>
/// <param name="mask">The subnet mask in IPV4 format.</param>
public IpV4Network(IpV4Address address, int mask)
{
Address = address;
var octet1 = 0;
var octet2 = 0;
var octet3 = 0;
var octet4 = 0;
var bits = string.Format(
CultureInfo.InvariantCulture,
"{0}{1}",
new string('1', mask),
new string('0', 32 - mask));
if (mask >= 1 && mask <= 8)
{
octet1 = Convert.ToInt32(bits.Substring(0, 8), 2);
}
else if (mask >= 9 && mask <= 16)
{
octet1 = 255;
octet2 = Convert.ToInt32(bits.Substring(8, 8), 2);
}
else if (mask >= 17 && mask <= 24)
{
octet1 = 255;
octet2 = 255;
octet3 = Convert.ToInt32(bits.Substring(16, 8), 2);
}
else if (mask >= 25 && mask <= 32)
{
octet1 = 255;
octet2 = 255;
octet3 = 255;
octet4 = Convert.ToInt32(bits.Substring(24), 2);
}
Netmask = new IpV4Address(octet1, octet2, octet3, octet4);
}
/// <summary>
/// Initializes a new instance of the <see cref="IpV4Network" /> class.
/// </summary>
/// <param name="address">The IPV4 address.</param>
/// <param name="mask">The subnet mask in IPV4 format.</param>
public IpV4Network(IpV4Address address, IpV4Address mask)
{
Address = address;
Netmask = mask;
}
