Get local IP address in Qt

Question

Is there a cross-platform way to get the local IP address (i.e. something that looks like 192.168.1.49) of the computer using Qt?

I want to make an FTP

Answer 1

QNetworkInterface returns lots of addresses. you must filter them, to get desirable result:

foreach (const QNetworkInterface &netInterface, QNetworkInterface::allInterfaces()) {
    QNetworkInterface::InterfaceFlags flags = netInterface.flags();
    if( (bool)(flags & QNetworkInterface::IsRunning) && !(bool)(flags & QNetworkInterface::IsLoopBack)){
        foreach (const QNetworkAddressEntry &address, netInterface.addressEntries()) {
            if(address.ip().protocol() == QAbstractSocket::IPv4Protocol)
                qDebug() << address.ip().toString();
        }
    }
}