diff options
-rw-r--r-- | src/network/kernel/qnetworkinterface_symbian.cpp | 128 |
1 files changed, 83 insertions, 45 deletions
diff --git a/src/network/kernel/qnetworkinterface_symbian.cpp b/src/network/kernel/qnetworkinterface_symbian.cpp index 42a041c..7767f54 100644 --- a/src/network/kernel/qnetworkinterface_symbian.cpp +++ b/src/network/kernel/qnetworkinterface_symbian.cpp @@ -67,10 +67,24 @@ static QNetworkInterface::InterfaceFlags convertFlags(const TSoInetInterfaceInfo return flags; } +//TODO: share this, at least QHostInfo needs to do the same thing +static QHostAddress qt_QHostAddressFromTInetAddr(const TInetAddr& addr) +{ + //TODO: do we want to call v4 mapped addresses v4 or v6 outside of this file? + if (addr.IsV4Mapped() || addr.Family() == KAfInet) { + //convert v4 host address + return QHostAddress(addr.Address()); + } else { + //convert v6 host address + return QHostAddress((quint8 *)(addr.Ip6Address().u.iAddr8)); + } +} + static QList<QNetworkInterfacePrivate *> interfaceListing() { TInt err(KErrNone); QList<QNetworkInterfacePrivate *> interfaces; + QList<QHostAddress> addressesWithEstimatedNetmasks; // Open dummy socket for interface queries RSocket socket; @@ -90,8 +104,7 @@ static QList<QNetworkInterfacePrivate *> interfaceListing() 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()) { + if (info.iName != KNullDesC) { TName address; QNetworkAddressEntry entry; QNetworkInterfacePrivate *iface = 0; @@ -113,40 +126,58 @@ static QList<QNetworkInterfacePrivate *> interfaceListing() } // Get the address of the interface - info.iAddress.Output(address); - entry.setIp(QHostAddress(qt_TDesC2QString(address))); + entry.setIp(qt_QHostAddressFromTInetAddr(info.iAddress)); + +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "address is" << info.iAddress.Family() << entry.ip(); + qDebug() << "netmask is" << info.iNetMask.Family() << qt_QHostAddressFromTInetAddr( info.iNetMask ); +#endif // 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))); + if (info.iNetMask.IsUnspecified()) { + // For some reason netmask is always 0.0.0.0 for IPv4 interfaces + // and loopback interfaces (which we statically know) + if (info.iAddress.IsV4Mapped()) { + if (info.iFeatures & KIfIsLoopback) { + entry.setPrefixLength(32); + } else { + // Workaround: Let Symbian determine netmask based on IP address class (IPv4 only API) + TInetAddr netmask; + netmask.NetMask(info.iAddress); + entry.setNetmask(QHostAddress(netmask.Address())); //binary convert v4 address + addressesWithEstimatedNetmasks << entry.ip(); +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "address class determined netmask" << entry.netmask(); +#endif + } + } else { + // For IPv6 interfaces + if (info.iFeatures & KIfIsLoopback) { + entry.setPrefixLength(128); + } else if (info.iNetMask.IsUnspecified()) { + //Don't see this error for IPv6, but try to handle it if it happens + entry.setPrefixLength(64); //most common +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "total guess netmask" << entry.netmask(); +#endif + addressesWithEstimatedNetmasks << entry.ip(); + } + } + } else { + //Expected code path for IPv6 non loopback interfaces (IPv4 could come here if symbian is fixed) + entry.setNetmask(qt_QHostAddressFromTInetAddr(info.iNetMask)); +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "reported netmask" << entry.netmask(); +#endif } + // broadcast address is determined from the netmask in postProcess() + // Add new entry to interface address entries iface->addressEntries << entry; #if defined(QNETWORKINTERFACE_DEBUG) - printf("\n Found network interface %s, interface flags:\n\ + qDebug("\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\ @@ -160,8 +191,14 @@ static QList<QNetworkInterfacePrivate *> interfaceListing() } } + // if we didn't have to guess any netmasks, then we're done. + if (addressesWithEstimatedNetmasks.isEmpty()) { + socket.Close(); + return interfaces; + } + // we will try to use routing info to detect more precisely - // netmask and then ::postProcess() should calculate + // estimated netmasks and then ::postProcess() should calculate // broadcast addresses // use dummy socket to start enumerating routes @@ -176,16 +213,21 @@ static QList<QNetworkInterfacePrivate *> interfaceListing() TSoInetRouteInfo routeInfo; TPckg<TSoInetRouteInfo> routeInfoPkg(routeInfo); while (socket.GetOpt(KSoInetNextRoute, KSolInetRtCtrl, routeInfoPkg) == KErrNone) { - TName address; - // get interface address - routeInfo.iIfAddr.Output(address); - QHostAddress ifAddr(qt_TDesC2QString(address)); + QHostAddress ifAddr(qt_QHostAddressFromTInetAddr(routeInfo.iIfAddr)); if (ifAddr.isNull()) continue; + if (!addressesWithEstimatedNetmasks.contains(ifAddr)) { +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "skipping route from" << ifAddr << "because it wasn't an estimated netmask"; +#endif + continue; + } - routeInfo.iDstAddr.Output(address); - QHostAddress destination(qt_TDesC2QString(address)); + QHostAddress destination(qt_QHostAddressFromTInetAddr(routeInfo.iDstAddr)); +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << "route from" << ifAddr << "to" << destination; +#endif if (destination.isNull() || destination != ifAddr) continue; @@ -196,17 +238,13 @@ static QList<QNetworkInterfacePrivate *> interfaceListing() QNetworkAddressEntry entry = iface->addressEntries.at(eindex); if (entry.ip() != ifAddr) { continue; - } else if (entry.ip().protocol() != QAbstractSocket::IPv4Protocol) { - // skip if not IPv4 address (e.g. IPv6) - // as results not reliable on Symbian - continue; - } else { - routeInfo.iNetMask.Output(address); - QHostAddress netmask(qt_TDesC2QString(address)); + } else if (!routeInfo.iNetMask.IsUnspecified()) { + //the route may also return 0.0.0.0 netmask, in which case don't use it. + QHostAddress netmask(qt_QHostAddressFromTInetAddr(routeInfo.iNetMask)); entry.setNetmask(netmask); - // NULL boradcast address for - // ::postProcess to have effect - entry.setBroadcast(QHostAddress()); +#if defined(QNETWORKINTERFACE_DEBUG) + qDebug() << " - route netmask" << routeInfo.iNetMask.Family() << netmask << " (using route determined netmask)"; +#endif iface->addressEntries.replace(eindex, entry); } } |