public IPv4Address GetNetAddress()
{
if (netAddress == null)
{
byte[] addr = IpAddress.GetBytes();
byte[] maskBytes = MaskToBytes(Mask);
byte[] result = new byte[4];
for (int a = 0; a < addr.Length; a++)
{
result[a] = (byte)(addr[a] & maskBytes[a]);
}
netAddress = new IPv4Address(new System.Net.IPAddress(result));
}
return(netAddress);
}
public SubnetMatchResult Match(IPv4Address otherIpv4Address)
{
byte[] srcIp = otherIpv4Address.GetBytes();
byte[] netaddr = GetNetAddress().GetBytes();
byte[] maskBytes = MaskToBytes(Mask);
byte[] result = new byte[4];
for (int a = 0; a < srcIp.Length; a++)
{
result[a] = (byte)(srcIp[a] & maskBytes[a]);
}
return(new SubnetMatchResult(Helper.Equals(netaddr, result), this, otherIpv4Address));
}
