qtmobility/src/bearer/qgenericengine.cpp
branchRCL_3
changeset 9 5d007b20cfd0
parent 8 885c2596c964
child 10 cd2778e5acfe
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8:885c2596c964 9:5d007b20cfd0
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Mobility Components.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qgenericengine_p.h"
       
    43 #include "qnetworkconfiguration_p.h"
       
    44 
       
    45 #include <QtCore/qthread.h>
       
    46 #include <QtCore/qmutex.h>
       
    47 #include <QtCore/qcoreapplication.h>
       
    48 #include <QtCore/qstringlist.h>
       
    49 
       
    50 #include <QtCore/qdebug.h>
       
    51 
       
    52 #ifdef Q_OS_WIN
       
    53 #include "qnetworksessionengine_win_p.h"
       
    54 #endif
       
    55 
       
    56 #ifdef Q_OS_LINUX
       
    57 #include <sys/socket.h>
       
    58 #include <sys/ioctl.h>
       
    59 #include <net/if.h>
       
    60 #include <net/if_arp.h>
       
    61 #include <unistd.h>
       
    62 #endif
       
    63 
       
    64 QTM_BEGIN_NAMESPACE
       
    65 
       
    66 Q_GLOBAL_STATIC(QGenericEngine, genericEngine)
       
    67 
       
    68 static QString qGetInterfaceType(const QString &interface)
       
    69 {
       
    70 #ifdef Q_OS_WIN32
       
    71     unsigned long oid;
       
    72     DWORD bytesWritten;
       
    73 
       
    74     NDIS_MEDIUM medium;
       
    75     NDIS_PHYSICAL_MEDIUM physicalMedium;
       
    76 
       
    77     HANDLE handle = CreateFile((TCHAR *)QString("\\\\.\\%1").arg(interface).utf16(), 0,
       
    78                                FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
       
    79     if (handle == INVALID_HANDLE_VALUE)
       
    80         return QLatin1String("Unknown");
       
    81 
       
    82     oid = OID_GEN_MEDIA_SUPPORTED;
       
    83     bytesWritten = 0;
       
    84     bool result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
       
    85                                   &medium, sizeof(medium), &bytesWritten, 0);
       
    86     if (!result) {
       
    87         CloseHandle(handle);
       
    88         return QLatin1String("Unknown");
       
    89     }
       
    90 
       
    91     oid = OID_GEN_PHYSICAL_MEDIUM;
       
    92     bytesWritten = 0;
       
    93     result = DeviceIoControl(handle, IOCTL_NDIS_QUERY_GLOBAL_STATS, &oid, sizeof(oid),
       
    94                              &physicalMedium, sizeof(physicalMedium), &bytesWritten, 0);
       
    95     if (!result) {
       
    96         CloseHandle(handle);
       
    97 
       
    98         if (medium == NdisMedium802_3)
       
    99             return QLatin1String("Ethernet");
       
   100         else
       
   101             return QLatin1String("Unknown");
       
   102     }
       
   103 
       
   104     CloseHandle(handle);
       
   105 
       
   106     if (medium == NdisMedium802_3) {
       
   107         switch (physicalMedium) {
       
   108         case NdisPhysicalMediumWirelessLan:
       
   109             return QLatin1String("WLAN");
       
   110         case NdisPhysicalMediumBluetooth:
       
   111             return QLatin1String("Bluetooth");
       
   112         case NdisPhysicalMediumWiMax:
       
   113             return QLatin1String("WiMAX");
       
   114         default:
       
   115 #ifdef BEARER_MANAGEMENT_DEBUG
       
   116             qDebug() << "Physical Medium" << physicalMedium;
       
   117 #endif
       
   118             return QLatin1String("Ethernet");
       
   119         }
       
   120     }
       
   121 
       
   122 #ifdef BEARER_MANAGEMENT_DEBUG
       
   123     qDebug() << medium << physicalMedium;
       
   124 #endif
       
   125 #elif defined(Q_OS_LINUX)
       
   126     int sock = socket(AF_INET, SOCK_DGRAM, 0);
       
   127 
       
   128     ifreq request;
       
   129     strncpy(request.ifr_name, interface.toLocal8Bit().data(), sizeof(request.ifr_name));
       
   130     int result = ioctl(sock, SIOCGIFHWADDR, &request);
       
   131     close(sock);
       
   132 
       
   133     if (result >= 0 && request.ifr_hwaddr.sa_family == ARPHRD_ETHER)
       
   134         return QLatin1String("Ethernet");
       
   135 #else
       
   136     Q_UNUSED(interface);
       
   137 #endif
       
   138 
       
   139     return QLatin1String("Unknown");
       
   140 }
       
   141 
       
   142 QGenericEngine::QGenericEngine(QObject *parent)
       
   143 :   QNetworkSessionEngine(parent)
       
   144 {
       
   145     connect(&pollTimer, SIGNAL(timeout()), this, SIGNAL(configurationsChanged()));
       
   146     pollTimer.setInterval(10000);
       
   147 }
       
   148 
       
   149 QGenericEngine::~QGenericEngine()
       
   150 {
       
   151 }
       
   152 
       
   153 QList<QNetworkConfigurationPrivate *> QGenericEngine::getConfigurations(bool *ok)
       
   154 {
       
   155     if (ok)
       
   156         *ok = true;
       
   157 
       
   158     QList<QNetworkConfigurationPrivate *> foundConfigurations;
       
   159 
       
   160     // Immediately after connecting with a wireless access point
       
   161     // QNetworkInterface::allInterfaces() will sometimes return an empty list. Calling it again a
       
   162     // second time results in a non-empty list. If we loose interfaces we will end up removing
       
   163     // network configurations which will break current sessions.
       
   164     QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
       
   165     if (interfaces.isEmpty())
       
   166         interfaces = QNetworkInterface::allInterfaces();
       
   167 
       
   168     // create configuration for each interface
       
   169     while (!interfaces.isEmpty()) {
       
   170         QNetworkInterface interface = interfaces.takeFirst();
       
   171 
       
   172         if (!interface.isValid())
       
   173             continue;
       
   174 
       
   175         // ignore loopback interface
       
   176         if (interface.flags() & QNetworkInterface::IsLoopBack)
       
   177             continue;
       
   178 
       
   179         // ignore WLAN interface handled in separate engine
       
   180         if (qGetInterfaceType(interface.name()) == "WLAN")
       
   181             continue;
       
   182 
       
   183         QNetworkConfigurationPrivate *cpPriv = new QNetworkConfigurationPrivate;
       
   184         const QString humanReadableName = interface.humanReadableName();
       
   185         cpPriv->name = humanReadableName.isEmpty() ? interface.name() : humanReadableName;
       
   186         cpPriv->isValid = true;
       
   187 
       
   188         uint identifier;
       
   189         if (interface.index())
       
   190             identifier = qHash(QLatin1String("NLA:") + QString::number(interface.index()));
       
   191         else
       
   192             identifier = qHash(QLatin1String("NLA:") + interface.hardwareAddress());
       
   193 
       
   194         cpPriv->id = QString::number(identifier);
       
   195         cpPriv->state = QNetworkConfiguration::Discovered;
       
   196         cpPriv->type = QNetworkConfiguration::InternetAccessPoint;
       
   197         if (interface.name().isEmpty())
       
   198             cpPriv->bearer = QLatin1String("Unknown");
       
   199         else
       
   200             cpPriv->bearer = qGetInterfaceType(interface.name());
       
   201 
       
   202         if((interface.flags() & QNetworkInterface::IsUp) && !interface.addressEntries().isEmpty())
       
   203             cpPriv->state |= QNetworkConfiguration::Active;
       
   204 
       
   205         configurationInterface[identifier] = interface.name();
       
   206 
       
   207         foundConfigurations.append(cpPriv);
       
   208     }
       
   209 
       
   210     pollTimer.start();
       
   211 
       
   212     return foundConfigurations;
       
   213 }
       
   214 
       
   215 QString QGenericEngine::getInterfaceFromId(const QString &id)
       
   216 {
       
   217     return configurationInterface.value(id.toUInt());
       
   218 }
       
   219 
       
   220 bool QGenericEngine::hasIdentifier(const QString &id)
       
   221 {
       
   222     return configurationInterface.contains(id.toUInt());
       
   223 }
       
   224 
       
   225 /*QString QGenericEngine::bearerName(const QString &id)
       
   226 {
       
   227     QString interface = getInterfaceFromId(id);
       
   228 
       
   229     if (interface.isEmpty())
       
   230         return QLatin1String("Unknown");
       
   231 
       
   232     return qGetInterfaceType(interface);
       
   233 }*/
       
   234 
       
   235 void QGenericEngine::connectToId(const QString &id)
       
   236 {
       
   237     emit connectionError(id, OperationNotSupported);
       
   238 }
       
   239 
       
   240 void QGenericEngine::disconnectFromId(const QString &id)
       
   241 {
       
   242     emit connectionError(id, OperationNotSupported);
       
   243 }
       
   244 
       
   245 void QGenericEngine::requestUpdate()
       
   246 {
       
   247     emit configurationsChanged();
       
   248 }
       
   249 
       
   250 QGenericEngine *QGenericEngine::instance()
       
   251 {
       
   252     return genericEngine();
       
   253 }
       
   254 
       
   255 #include "moc_qgenericengine_p.cpp"
       
   256 QTM_END_NAMESPACE
       
   257