public static bool Contains(this IIpRange range, IPAddress address)
{
if (address.AddressFamily != range.Start.AddressFamily)
{
return(false);
}
var lowerBytes = range.Start.GetAddressBytes();
var upperBytes = range.End.GetAddressBytes();
var addressBytes = address.GetAddressBytes();
bool lowerBoundary = true, upperBoundary = true;
for (var i = 0;
i < lowerBytes.Length &&
(lowerBoundary || upperBoundary);
i++)
{
if ((lowerBoundary && addressBytes[i] < lowerBytes[i]) ||
(upperBoundary && addressBytes[i] > upperBytes[i]))
{
return(false);
}
lowerBoundary &= (addressBytes[i] == lowerBytes[i]);
upperBoundary &= (addressBytes[i] == upperBytes[i]);
}
return(true);
}
public static DbIPRange FromOther(IIpRange range)
{
return(new DbIPRange(range.Start, range.End));
}
