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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgenericengine.h"
#include <QtNetwork/private/qnetworkconfiguration_p.h>
#include <QtCore/qthread.h>
#include <QtCore/qmutex.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qdebug.h>
#ifdef Q_OS_WIN
#include "../platformdefs_win.h"
#endif
QT_BEGIN_NAMESPACE
Q_GLOBAL_STATIC(QGenericEngine, genericEngine)
static QString qGetInterfaceType(const QString &interface)
{
#ifdef Q_OS_WIN32
unsigned long oid;
DWORD bytesWritten;
NDIS_MEDIUM medium;
NDIS_PHYSICAL_MEDIUM physicalMedium;
HANDLE handle = CreateFile((TCHAR *)QString("\\\\.\\%1").arg(interface).utf16(), 0,
FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if (handle == INVALID_HANDLE_VALUE)
return QString();
oid = OID_GEN_MEDIA_SUPPORTED;
bytesWritten = 0;
bool result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
&medium, sizeof(medium), &bytesWritten, 0);
if (!result) {
CloseHandle(handle);
return QString();
}
oid = OID_GEN_PHYSICAL_MEDIUM;
bytesWritten = 0;
result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
&physicalMedium, sizeof(physicalMedium), &bytesWritten, 0);
if (!result) {
CloseHandle(handle);
if (medium == NdisMedium802_3)
return QLatin1String("Ethernet");
else
return QString();
}
CloseHandle(handle);
if (medium == NdisMedium802_3) {
switch (physicalMedium) {
case NdisPhysicalMediumWirelessLan:
return QLatin1String("WLAN");
case NdisPhysicalMediumBluetooth:
return QLatin1String("Bluetooth");
case NdisPhysicalMediumWiMax:
return QLatin1String("WiMAX");
default:
#ifdef BEARER_MANAGEMENT_DEBUG
qDebug() << "Physical Medium" << physicalMedium;
#endif
return QLatin1String("Ethernet");
}
}
#ifdef BEARER_MANAGEMENT_DEBUG
qDebug() << medium << physicalMedium;
#endif
#else
Q_UNUSED(interface);
#endif
return QString();
}
QGenericEngine::QGenericEngine(QObject *parent)
: QNetworkSessionEngine(parent)
{
connect(&pollTimer, SIGNAL(timeout()), this, SLOT(doRequestUpdate()));
pollTimer.setInterval(10000);
doRequestUpdate();
}
QGenericEngine::~QGenericEngine()
{
}
QString QGenericEngine::getInterfaceFromId(const QString &id)
{
return configurationInterface.value(id.toUInt());
}
bool QGenericEngine::hasIdentifier(const QString &id)
{
return configurationInterface.contains(id.toUInt());
}
QString QGenericEngine::bearerName(const QString &id)
{
QString interface = getInterfaceFromId(id);
if (interface.isEmpty())
return QString();
return qGetInterfaceType(interface);
}
void QGenericEngine::connectToId(const QString &id)
{
emit connectionError(id, OperationNotSupported);
}
void QGenericEngine::disconnectFromId(const QString &id)
{
emit connectionError(id, OperationNotSupported);
}
void QGenericEngine::requestUpdate()
{
pollTimer.stop();
QTimer::singleShot(0, this, SLOT(doRequestUpdate()));
}
QGenericEngine *QGenericEngine::instance()
{
return genericEngine();
}
void QGenericEngine::doRequestUpdate()
{
// Immediately after connecting with a wireless access point
// QNetworkInterface::allInterfaces() will sometimes return an empty list. Calling it again a
// second time results in a non-empty list. If we loose interfaces we will end up removing
// network configurations which will break current sessions.
QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
if (interfaces.isEmpty())
interfaces = QNetworkInterface::allInterfaces();
QStringList previous = accessPointConfigurations.keys();
// create configuration for each interface
while (!interfaces.isEmpty()) {
QNetworkInterface interface = interfaces.takeFirst();
if (!interface.isValid())
continue;
// ignore loopback interface
if (interface.flags() & QNetworkInterface::IsLoopBack)
continue;
// ignore WLAN interface handled in seperate engine
if (qGetInterfaceType(interface.name()) == QLatin1String("WLAN"))
continue;
uint identifier;
if (interface.index())
identifier = qHash(QLatin1String("generic:") + QString::number(interface.index()));
else
identifier = qHash(QLatin1String("generic:") + interface.hardwareAddress());
const QString id = QString::number(identifier);
previous.removeAll(id);
QString name = interface.humanReadableName();
if (name.isEmpty())
name = interface.name();
QNetworkConfiguration::StateFlags state = QNetworkConfiguration::Discovered;
if (interface.flags() & QNetworkInterface::IsUp)
state |= QNetworkConfiguration::Active;
if (accessPointConfigurations.contains(id)) {
QExplicitlySharedDataPointer<QNetworkConfigurationPrivate> ptr =
accessPointConfigurations.value(id);
bool changed = false;
if (!ptr->isValid) {
ptr->isValid = true;
changed = true;
}
if (ptr->name != name) {
ptr->name = name;
changed = true;
}
if (ptr->id != id) {
ptr->id = id;
changed = true;
}
if (ptr->state != state) {
ptr->state = state;
changed = true;
}
if (changed)
emit configurationChanged(ptr);
} else {
QExplicitlySharedDataPointer<QNetworkConfigurationPrivate> ptr(new QNetworkConfigurationPrivate);
ptr->name = name;
ptr->isValid = true;
ptr->id = id;
ptr->state = state;
ptr->type = QNetworkConfiguration::InternetAccessPoint;
accessPointConfigurations.insert(id, ptr);
emit configurationAdded(ptr);
}
}
while (!previous.isEmpty()) {
QExplicitlySharedDataPointer<QNetworkConfigurationPrivate> ptr =
accessPointConfigurations.take(previous.takeFirst());
emit configurationRemoved(ptr);
}
pollTimer.start();
emit updateCompleted();
}
QT_END_NAMESPACE
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