CEndPoint & CEndPoint::operator--()
{
if( protocol() == QAbstractSocket::IPv4Protocol )
{
quint32 result = toIPv4Address();
setAddress(--result);
return *this;
}
else
{
Q_IPV6ADDR result = toIPv6Address();
quint8 carry = 1, i = 8;
while (carry && i)
{
result[i-1] -= carry;
if (result[i-1] < 0x0000 || !result[i-1])
{
carry = 1;
result[i-1] &= 0x0000;
} else {
carry = 0;
}
i--;
}
setAddress(result);
return *this;
}
}
// (?)
std::string QHostAddress::toString() const
{
if (m_pImpl->getProtocol() == QAbstractSocket::IPv4Protocol)
{
quint32 ip = toIPv4Address();
return ToStdString(ip);
}
return std::string();
}
bool CEndPoint::isFirewalled() const
{
if ( isNull() )
return true;
if ( protocol() == 0 ) // IPv4
{
quint32 nIp = qToBigEndian( toIPv4Address() );
if ( (nIp & 0xffff) == 0xa8c0 ) return true; // 192.168
if ( (nIp & 0xff ) == 0x0a ) return true; // 10
if ( (nIp & 0xf0ff) == 0x10ac ) return true; // 172.16
if ( (nIp & 0xffff) == 0xfea9 ) return true; // 169.254
if ( (nIp & 0xff ) == 0x7f ) return true; // 127
}
return false;
}
IpCalculator::IpCalculator(const QString &addressInput) :
addressInput(addressInput),
ipAddress(0),
prefixLength(0),
calculatedSubnetMask(0xFFFFFFFF)
{
QStringList inputList = addressInput.split("/", QString::SkipEmptyParts);
if (inputList.size() == 0) {
return;
}
ipAddress = toIPv4Address(inputList[0]);
if (inputList.size() == 2) {
prefixLength = inputList[1].toInt();
} else {
prefixLength = defaultPrefixLengthFromAddress(ipAddress);
}
calculatedSubnetMask <<= (32-prefixLength);
}
