C++ QNetworkAddressEntry::setBroadcast方法代码示例

void tst_QNetworkAddressEntry::getSetCheck()
{
    QNetworkAddressEntry entry;

    QVERIFY(entry.ip().isNull());
    QVERIFY(entry.netmask().isNull());
    QVERIFY(entry.broadcast().isNull());
    QCOMPARE(entry.prefixLength(), -1);

    entry.setIp(QHostAddress::LocalHost);
    QCOMPARE(entry.ip(), QHostAddress(QHostAddress::LocalHost));
    entry.setIp(QHostAddress());
    QVERIFY(entry.ip().isNull());

    entry.setBroadcast(QHostAddress::LocalHost);
    QCOMPARE(entry.broadcast(), QHostAddress(QHostAddress::LocalHost));
    entry.setBroadcast(QHostAddress());
    QVERIFY(entry.broadcast().isNull());

    // netmask and prefix length tested in the next test
    entry.setIp(QHostAddress::LocalHost);
    entry.setBroadcast(QHostAddress::LocalHost);

    QNetworkAddressEntry entry2;
    QVERIFY(entry != entry2);
    QVERIFY(!(entry == entry2));

    entry = entry2;
    QCOMPARE(entry, entry2);
    QVERIFY(entry == entry);
    QVERIFY(!(entry != entry2));
}

static QList<QNetworkInterfacePrivate *> interfaceListing()
{
    QList<QNetworkInterfacePrivate *> interfaces;

    int socket;
    if ((socket = qt_safe_socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) == -1)
        return interfaces;      // error

    ifaddrs *interfaceListing;
    if (getifaddrs(&interfaceListing) == -1) {
        // error
        ::close(socket);
        return interfaces;
    }

    interfaces = createInterfaces(interfaceListing);
    for (ifaddrs *ptr = interfaceListing; ptr; ptr = ptr->ifa_next) {
        // Get the interface index
        int ifindex = if_nametoindex(ptr->ifa_name);
        QNetworkInterfacePrivate *iface = 0;
        QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
        for ( ; if_it != interfaces.end(); ++if_it)
            if ((*if_it)->index == ifindex) {
                // found this interface already
                iface = *if_it;
                break;
            }
        if (!iface) {
            // skip all non-IP interfaces
            continue;
        }

        QNetworkAddressEntry entry;
        entry.setIp(addressFromSockaddr(ptr->ifa_addr));
        if (entry.ip().isNull())
            // could not parse the address
            continue;

        entry.setNetmask(addressFromSockaddr(ptr->ifa_netmask));
        if (iface->flags & QNetworkInterface::CanBroadcast)
            entry.setBroadcast(addressFromSockaddr(ptr->ifa_broadaddr));

        iface->addressEntries << entry;
    }

    freeifaddrs(interfaceListing);
    ::close(socket);
    return interfaces;
}

static QList<QNetworkInterfacePrivate *> interfaceListing()
{
    QList<QNetworkInterfacePrivate *> interfaces;

    ifaddrs *interfaceListing;
    if (getifaddrs(&interfaceListing) == -1) {
        // error
        return interfaces;
    }

    interfaces = createInterfaces(interfaceListing);
    for (ifaddrs *ptr = interfaceListing; ptr; ptr = ptr->ifa_next) {
        // Get the interface index
        QString name = QString::fromLatin1(ptr->ifa_name);
        QNetworkInterfacePrivate *iface = 0;
        QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
        for ( ; if_it != interfaces.end(); ++if_it)
            if ((*if_it)->name == name) {
                // found this interface already
                iface = *if_it;
                break;
            }
        if (!iface) {
            // skip all non-IP interfaces
            continue;
        }

        QNetworkAddressEntry entry;
        entry.setIp(addressFromSockaddr(ptr->ifa_addr, iface->index, iface->name));
        if (entry.ip().isNull())
            // could not parse the address
            continue;

        entry.setNetmask(addressFromSockaddr(ptr->ifa_netmask, iface->index, iface->name));
        if (iface->flags & QNetworkInterface::CanBroadcast)
            entry.setBroadcast(addressFromSockaddr(ptr->ifa_broadaddr, iface->index, iface->name));

        iface->addressEntries << entry;
    }

    freeifaddrs(interfaceListing);
    return interfaces;
}

static QList<QNetworkInterfacePrivate *> interfaceListing()
{
    TInt err(KErrNone);
    QList<QNetworkInterfacePrivate *> interfaces;

    // Connect to Native socket server
    RSocketServ socketServ;
    err = socketServ.Connect();
    if (err)
        return interfaces;

    // Open dummy socket for interface queries
    RSocket socket;
    err = socket.Open(socketServ, _L("udp"));
    if (err) {
        socketServ.Close();
        return interfaces;
    }

    // Ask socket to start enumerating interfaces
    err =  socket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
    if (err) {
        socket.Close();
        socketServ.Close();
        return interfaces;
    }

    int ifindex = 0;
    TPckgBuf<TSoInetInterfaceInfo> infoPckg;
    TSoInetInterfaceInfo &info = infoPckg();
    while (socket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, infoPckg) == KErrNone) {
        // Do not include IPv6 addresses because netmask and broadcast address cannot be determined correctly
        if (info.iName != KNullDesC && info.iAddress.IsV4Mapped()) {
            TName address;
            QNetworkAddressEntry entry;
            QNetworkInterfacePrivate *iface = 0;

            iface = new QNetworkInterfacePrivate;
            iface->index = ifindex++;
            interfaces << iface;
            iface->name = qt_TDesC2QString(info.iName);
            iface->flags = convertFlags(info);

            if (/*info.iFeatures&KIfHasHardwareAddr &&*/ info.iHwAddr.Family() != KAFUnspec) {
                for (TInt i = sizeof(SSockAddr); i < sizeof(SSockAddr) + info.iHwAddr.GetUserLen(); i++) {
                    address.AppendNumFixedWidth(info.iHwAddr[i], EHex, 2);
                    if ((i + 1) < sizeof(SSockAddr) + info.iHwAddr.GetUserLen())
                        address.Append(_L(":"));
                }
                address.UpperCase();
                iface->hardwareAddress = qt_TDesC2QString(address);
            }

            // Get the address of the interface
            info.iAddress.Output(address);
            entry.setIp(QHostAddress(qt_TDesC2QString(address)));

            // Get the interface netmask
            // For some reason netmask is always 0.0.0.0
            // info.iNetMask.Output(address);
            // entry.setNetmask( QHostAddress( qt_TDesC2QString( address ) ) );

            // Workaround: Let Symbian determine netmask based on IP address class
            // TODO: Works only for IPv4 - Task: 259128 Implement IPv6 support
            TInetAddr netmask;
            netmask.NetMask(info.iAddress);
            netmask.Output(address);
            entry.setNetmask(QHostAddress(qt_TDesC2QString(address)));

            // Get the interface broadcast address
            if (iface->flags & QNetworkInterface::CanBroadcast) {
                // For some reason broadcast address is always 0.0.0.0
                // info.iBrdAddr.Output(address);
                // entry.setBroadcast( QHostAddress( qt_TDesC2QString( address ) ) );

                // Workaround: Let Symbian determine broadcast address based on IP address
                // TODO: Works only for IPv4 - Task: 259128 Implement IPv6 support
                TInetAddr broadcast;
                broadcast.NetBroadcast(info.iAddress);
                broadcast.Output(address);
                entry.setBroadcast(QHostAddress(qt_TDesC2QString(address)));
            }

            // Add new entry to interface address entries
            iface->addressEntries << entry;

#if defined(QNETWORKINTERFACE_DEBUG)
            printf("\n       Found network interface %s, interface flags:\n\
                IsUp = %d, IsRunning = %d, CanBroadcast = %d,\n\
                IsLoopBack = %d, IsPointToPoint = %d, CanMulticast = %d, \n\
                ip = %s, netmask = %s, broadcast = %s,\n\
                hwaddress = %s",
                   iface->name.toLatin1().constData(),
                   iface->flags & QNetworkInterface::IsUp, iface->flags & QNetworkInterface::IsRunning, iface->flags & QNetworkInterface::CanBroadcast,
                   iface->flags & QNetworkInterface::IsLoopBack, iface->flags & QNetworkInterface::IsPointToPoint, iface->flags & QNetworkInterface::CanMulticast,
                   entry.ip().toString().toLatin1().constData(), entry.netmask().toString().toLatin1().constData(), entry.broadcast().toString().toLatin1().constData(),
                   iface->hardwareAddress.toLatin1().constData());
#endif
        }
    }