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365 lines
11 KiB
C++
365 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgenericengine.h"
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#include "../qnetworksession_impl.h"
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#include <QtNetwork/qnetworkconfiguration_p.h>
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#include <QtCore/qthread.h>
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#include <QtCore/qmutex.h>
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#include <QtCore/qcoreapplication.h>
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#include <QtCore/qstringlist.h>
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#include <QtCore/qdebug.h>
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#include <QtCore/qcoreapplication_p.h>
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#ifdef Q_OS_WIN
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#include "../platformdefs_win.h"
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#endif
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#ifdef Q_OS_LINUX
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <unistd.h>
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#endif
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#ifndef QT_NO_BEARERMANAGEMENT
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_NETWORKINTERFACE
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static QNetworkConfiguration::BearerType qGetInterfaceType(const QString &interface)
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{
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#ifdef Q_OS_WIN32
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unsigned long oid;
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DWORD bytesWritten;
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NDIS_MEDIUM medium;
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NDIS_PHYSICAL_MEDIUM physicalMedium;
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HANDLE handle = CreateFile((TCHAR *)QString::fromLatin1("\\\\.\\%1").arg(interface).utf16(), 0,
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FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
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if (handle == INVALID_HANDLE_VALUE)
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return QNetworkConfiguration::BearerUnknown;
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oid = OID_GEN_MEDIA_SUPPORTED;
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bytesWritten = 0;
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bool result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
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&medium, sizeof(medium), &bytesWritten, 0);
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if (!result) {
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CloseHandle(handle);
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return QNetworkConfiguration::BearerUnknown;
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}
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oid = OID_GEN_PHYSICAL_MEDIUM;
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bytesWritten = 0;
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result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
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&physicalMedium, sizeof(physicalMedium), &bytesWritten, 0);
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if (!result) {
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CloseHandle(handle);
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if (medium == NdisMedium802_3)
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return QNetworkConfiguration::BearerEthernet;
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else
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return QNetworkConfiguration::BearerUnknown;
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}
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CloseHandle(handle);
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if (medium == NdisMedium802_3) {
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switch (physicalMedium) {
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case NdisPhysicalMediumWirelessLan:
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return QNetworkConfiguration::BearerWLAN;
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case NdisPhysicalMediumBluetooth:
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return QNetworkConfiguration::BearerBluetooth;
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case NdisPhysicalMediumWiMax:
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return QNetworkConfiguration::BearerWiMAX;
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default:
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#ifdef BEARER_MANAGEMENT_DEBUG
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qDebug() << "Physical Medium" << physicalMedium;
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#endif
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return QNetworkConfiguration::BearerEthernet;
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}
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}
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#ifdef BEARER_MANAGEMENT_DEBUG
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qDebug() << medium << physicalMedium;
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#endif
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#elif defined(Q_OS_LINUX)
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int sock = socket(AF_INET, SOCK_DGRAM, 0);
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ifreq request;
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strncpy(request.ifr_name, interface.toLocal8Bit().data(), sizeof(request.ifr_name));
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int result = ioctl(sock, SIOCGIFHWADDR, &request);
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close(sock);
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if (result >= 0 && request.ifr_hwaddr.sa_family == ARPHRD_ETHER)
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return QNetworkConfiguration::BearerEthernet;
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#else
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Q_UNUSED(interface);
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#endif
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return QNetworkConfiguration::BearerUnknown;
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}
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#endif
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QGenericEngine::QGenericEngine(QObject *parent)
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: QBearerEngineImpl(parent)
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{
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//workaround for deadlock in __cxa_guard_acquire with webkit on macos x
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//initialise the Q_GLOBAL_STATIC in same thread as the AtomicallyInitializedStatic
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(void)QNetworkInterface::interfaceFromIndex(0);
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}
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QGenericEngine::~QGenericEngine()
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{
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}
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QString QGenericEngine::getInterfaceFromId(const QString &id)
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{
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QMutexLocker locker(&mutex);
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return configurationInterface.value(id);
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}
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bool QGenericEngine::hasIdentifier(const QString &id)
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{
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QMutexLocker locker(&mutex);
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return configurationInterface.contains(id);
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}
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void QGenericEngine::connectToId(const QString &id)
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{
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emit connectionError(id, OperationNotSupported);
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}
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void QGenericEngine::disconnectFromId(const QString &id)
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{
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emit connectionError(id, OperationNotSupported);
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}
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void QGenericEngine::initialize()
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{
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doRequestUpdate();
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}
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void QGenericEngine::requestUpdate()
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{
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doRequestUpdate();
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}
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void QGenericEngine::doRequestUpdate()
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{
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#ifndef QT_NO_NETWORKINTERFACE
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QMutexLocker locker(&mutex);
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// Immediately after connecting with a wireless access point
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// QNetworkInterface::allInterfaces() will sometimes return an empty list. Calling it again a
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// second time results in a non-empty list. If we loose interfaces we will end up removing
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// network configurations which will break current sessions.
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QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
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if (interfaces.isEmpty())
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interfaces = QNetworkInterface::allInterfaces();
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QStringList previous = accessPointConfigurations.keys();
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// create configuration for each interface
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while (!interfaces.isEmpty()) {
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QNetworkInterface interface = interfaces.takeFirst();
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if (!interface.isValid())
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continue;
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// ignore loopback interface
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if (interface.flags() & QNetworkInterface::IsLoopBack)
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continue;
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// ignore WLAN interface handled in separate engine
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if (qGetInterfaceType(interface.name()) == QNetworkConfiguration::BearerWLAN)
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continue;
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uint identifier;
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if (interface.index())
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identifier = qHash(QLatin1String("generic:") + QString::number(interface.index()));
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else
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identifier = qHash(QLatin1String("generic:") + interface.hardwareAddress());
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const QString id = QString::number(identifier);
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previous.removeAll(id);
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QString name = interface.humanReadableName();
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if (name.isEmpty())
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name = interface.name();
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QNetworkConfiguration::StateFlags state = QNetworkConfiguration::Defined;
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if ((interface.flags() & QNetworkInterface::IsRunning) && !interface.addressEntries().isEmpty())
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state |= QNetworkConfiguration::Active;
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if (accessPointConfigurations.contains(id)) {
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QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(id);
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bool changed = false;
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ptr->mutex.lock();
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if (!ptr->isValid) {
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ptr->isValid = true;
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changed = true;
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}
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if (ptr->name != name) {
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ptr->name = name;
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changed = true;
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}
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if (ptr->id != id) {
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ptr->id = id;
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changed = true;
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}
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if (ptr->state != state) {
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ptr->state = state;
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changed = true;
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}
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ptr->mutex.unlock();
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if (changed) {
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locker.unlock();
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emit configurationChanged(ptr);
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locker.relock();
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}
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} else {
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QNetworkConfigurationPrivatePointer ptr(new QNetworkConfigurationPrivate);
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ptr->name = name;
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ptr->isValid = true;
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ptr->id = id;
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ptr->state = state;
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ptr->type = QNetworkConfiguration::InternetAccessPoint;
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ptr->bearerType = qGetInterfaceType(interface.name());
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accessPointConfigurations.insert(id, ptr);
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configurationInterface.insert(id, interface.name());
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locker.unlock();
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emit configurationAdded(ptr);
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locker.relock();
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}
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}
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while (!previous.isEmpty()) {
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QNetworkConfigurationPrivatePointer ptr =
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accessPointConfigurations.take(previous.takeFirst());
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configurationInterface.remove(ptr->id);
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locker.unlock();
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emit configurationRemoved(ptr);
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locker.relock();
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}
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locker.unlock();
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#endif
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emit updateCompleted();
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}
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QNetworkSession::State QGenericEngine::sessionStateForId(const QString &id)
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{
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QMutexLocker locker(&mutex);
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QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(id);
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if (!ptr)
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return QNetworkSession::Invalid;
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QMutexLocker configLocker(&ptr->mutex);
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if (!ptr->isValid) {
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return QNetworkSession::Invalid;
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} else if ((ptr->state & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) {
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return QNetworkSession::Connected;
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} else if ((ptr->state & QNetworkConfiguration::Discovered) ==
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QNetworkConfiguration::Discovered) {
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return QNetworkSession::Disconnected;
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} else if ((ptr->state & QNetworkConfiguration::Defined) == QNetworkConfiguration::Defined) {
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return QNetworkSession::NotAvailable;
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} else if ((ptr->state & QNetworkConfiguration::Undefined) ==
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QNetworkConfiguration::Undefined) {
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return QNetworkSession::NotAvailable;
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}
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return QNetworkSession::Invalid;
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}
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QNetworkConfigurationManager::Capabilities QGenericEngine::capabilities() const
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{
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return QNetworkConfigurationManager::ForcedRoaming;
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}
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QNetworkSessionPrivate *QGenericEngine::createSessionBackend()
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{
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return new QNetworkSessionPrivateImpl;
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}
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QNetworkConfigurationPrivatePointer QGenericEngine::defaultConfiguration()
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{
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return QNetworkConfigurationPrivatePointer();
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}
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bool QGenericEngine::requiresPolling() const
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{
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return true;
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}
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QT_END_NAMESPACE
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#endif // QT_NO_BEARERMANAGEMENT
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#include "moc_qgenericengine.h"
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#include "moc_qbearerengine_impl.h"
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