Exemple #1
0
/** @details A network address defines the "bottom-most" address for a given network.
 *  @param ip An IP address on the network.
 *  @param netmask The netmask defining the network range.
 *  @returns The network address.
 */
_CGUL_EXPORT CGUL::Network::IPAddress CGUL::Network::IPAddress::CalculateNetwork(const IPAddress& ip, const IPAddress& netmask)
{
    if (!ip.IsValid() || ip.GetType() != netmask.GetType())
    {
        throw NetworkException(NetworkExceptionCode::FAILED_CALCULATE_ADDRESS, NetworkExceptionReason::ADDRESS_MISMATCH);
    }

    if (ip.GetType() == IPAddressType::IPV4)
    {
        return IPAddress(ip.ToUInt32() & netmask.ToUInt32());
    }
    else
    {
        UInt64 network[2];
        network[0] = ip.address[0] & netmask.address[0];
        network[1] = ip.address[1] & netmask.address[1];
        return IPAddress(network);
    }
}
Exemple #2
0
/** @details The broadcast address can only be calculated on a IPv4 network.  While it is
 *  technically possible to calculate an IPv6 broadcast address, the IPv6 protocol has dropped
 *  support for broadcasting.  Since broadcasting is not supported in IPv6, this method will result
 *  in an exception given an IPv6 address.
 *  @param ip An IP address on the network.
 *  @param netmask The netmask defining the network range.
 *  @returns The broadcast address.
 */
_CGUL_EXPORT CGUL::Network::IPAddress CGUL::Network::IPAddress::CalculateBroadcast(const IPAddress& ip, const IPAddress& netmask)
{
    if (ip.GetType() == IPAddressType::IPV6 || netmask.GetType() == IPAddressType::IPV6)
    {
        throw NetworkException(NetworkExceptionCode::FAILED_CALCULATE_ADDRESS, NetworkExceptionReason::ADDRESS_INVALID);
    }
    if (!ip.IsValid() || ip.GetType() != netmask.GetType())
    {
        throw NetworkException(NetworkExceptionCode::FAILED_CALCULATE_ADDRESS, NetworkExceptionReason::ADDRESS_MISMATCH);
    }

    return IPAddress(ip.ToUInt32() | (~netmask.ToUInt32()));
}