diff options
Diffstat (limited to 'src/plugins/bearer/nla/qnlaengine.cpp')
| -rw-r--r-- | src/plugins/bearer/nla/qnlaengine.cpp | 650 |
1 files changed, 650 insertions, 0 deletions
diff --git a/src/plugins/bearer/nla/qnlaengine.cpp b/src/plugins/bearer/nla/qnlaengine.cpp new file mode 100644 index 0000000000..b5086e2354 --- /dev/null +++ b/src/plugins/bearer/nla/qnlaengine.cpp @@ -0,0 +1,650 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 "qnlaengine.h" +#include "../qnetworksession_impl.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> + +#include "../platformdefs_win.h" + +QT_BEGIN_NAMESPACE + +QWindowsSockInit2::QWindowsSockInit2() +: version(0) +{ + //### should we try for 2.2 on all platforms ?? + WSAData wsadata; + + // IPv6 requires Winsock v2.0 or better. + if (WSAStartup(MAKEWORD(2,0), &wsadata) != 0) { + qWarning("QBearerManagementAPI: WinSock v2.0 initialization failed."); + } else { + version = 0x20; + } +} + +QWindowsSockInit2::~QWindowsSockInit2() +{ + WSACleanup(); +} + +#ifdef BEARER_MANAGEMENT_DEBUG +static void printBlob(NLA_BLOB *blob) +{ + qDebug() << "==== BEGIN NLA_BLOB ===="; + + qDebug() << "type:" << blob->header.type; + qDebug() << "size:" << blob->header.dwSize; + qDebug() << "next offset:" << blob->header.nextOffset; + + switch (blob->header.type) { + case NLA_RAW_DATA: + qDebug() << "Raw Data"; + qDebug() << '\t' << blob->data.rawData; + break; + case NLA_INTERFACE: + qDebug() << "Interface"; + qDebug() << "\ttype:" << blob->data.interfaceData.dwType; + qDebug() << "\tspeed:" << blob->data.interfaceData.dwSpeed; + qDebug() << "\tadapter:" << blob->data.interfaceData.adapterName; + break; + case NLA_802_1X_LOCATION: + qDebug() << "802.1x Location"; + qDebug() << '\t' << blob->data.locationData.information; + break; + case NLA_CONNECTIVITY: + qDebug() << "Connectivity"; + qDebug() << "\ttype:" << blob->data.connectivity.type; + qDebug() << "\tinternet:" << blob->data.connectivity.internet; + break; + case NLA_ICS: + qDebug() << "ICS"; + qDebug() << "\tspeed:" << blob->data.ICS.remote.speed; + qDebug() << "\ttype:" << blob->data.ICS.remote.type; + qDebug() << "\tstate:" << blob->data.ICS.remote.state; + qDebug() << "\tmachine name:" << blob->data.ICS.remote.machineName; + qDebug() << "\tshared adapter name:" << blob->data.ICS.remote.sharedAdapterName; + break; + default: + qDebug() << "UNKNOWN BLOB TYPE"; + } + + qDebug() << "===== END NLA_BLOB ====="; +} +#endif + +static QNetworkConfiguration::BearerType qGetInterfaceType(const QString &interface) +{ +#ifdef Q_OS_WINCE + Q_UNUSED(interface) +#else + unsigned long oid; + DWORD bytesWritten; + + NDIS_MEDIUM medium; + NDIS_PHYSICAL_MEDIUM physicalMedium; + + HANDLE handle = CreateFile((TCHAR *)QString::fromLatin1("\\\\.\\%1").arg(interface).utf16(), 0, + FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0); + if (handle == INVALID_HANDLE_VALUE) + return QNetworkConfiguration::BearerUnknown; + + 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 QNetworkConfiguration::BearerUnknown; + } + + 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 QNetworkConfiguration::BearerEthernet; + else + return QNetworkConfiguration::BearerUnknown; + } + + CloseHandle(handle); + + if (medium == NdisMedium802_3) { + switch (physicalMedium) { + case NdisPhysicalMediumWirelessLan: + return QNetworkConfiguration::BearerWLAN; + case NdisPhysicalMediumBluetooth: + return QNetworkConfiguration::BearerBluetooth; + case NdisPhysicalMediumWiMax: + return QNetworkConfiguration::BearerWiMAX; + default: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug() << "Physical Medium" << physicalMedium; +#endif + return QNetworkConfiguration::BearerEthernet; + } + } + +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug() << medium << physicalMedium; +#endif + +#endif + + return QNetworkConfiguration::BearerUnknown; +} + +class QNlaThread : public QThread +{ + Q_OBJECT + +public: + QNlaThread(QNlaEngine *parent = 0); + ~QNlaThread(); + + QList<QNetworkConfigurationPrivate *> getConfigurations(); + + void forceUpdate(); + +protected: + virtual void run(); + +private: + void updateConfigurations(QList<QNetworkConfigurationPrivate *> &configs); + DWORD parseBlob(NLA_BLOB *blob, QNetworkConfigurationPrivate *cpPriv) const; + QNetworkConfigurationPrivate *parseQuerySet(const WSAQUERYSET *querySet) const; + void fetchConfigurations(); + +signals: + void networksChanged(); + +private: + QMutex mutex; + HANDLE handle; + bool done; + QList<QNetworkConfigurationPrivate *> fetchedConfigurations; +}; + +QNlaThread::QNlaThread(QNlaEngine *parent) +: QThread(parent), handle(0), done(false) +{ +} + +QNlaThread::~QNlaThread() +{ + mutex.lock(); + + done = true; + + if (handle) { + /* cancel completion event */ + if (WSALookupServiceEnd(handle) == SOCKET_ERROR) { +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("WSALookupServiceEnd error %d", WSAGetLastError()); +#endif + } + } + mutex.unlock(); + + wait(); +} + +QList<QNetworkConfigurationPrivate *> QNlaThread::getConfigurations() +{ + QMutexLocker locker(&mutex); + + QList<QNetworkConfigurationPrivate *> foundConfigurations = fetchedConfigurations; + fetchedConfigurations.clear(); + + return foundConfigurations; +} + +void QNlaThread::forceUpdate() +{ + mutex.lock(); + + if (handle) { + /* cancel completion event */ + if (WSALookupServiceEnd(handle) == SOCKET_ERROR) { +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("WSALookupServiceEnd error %d", WSAGetLastError()); +#endif + } + handle = 0; + } + mutex.unlock(); +} + +void QNlaThread::run() +{ + WSAEVENT changeEvent = WSACreateEvent(); + if (changeEvent == WSA_INVALID_EVENT) + return; + + while (true) { + fetchConfigurations(); + + WSAQUERYSET qsRestrictions; + + memset(&qsRestrictions, 0, sizeof(qsRestrictions)); + qsRestrictions.dwSize = sizeof(qsRestrictions); + qsRestrictions.dwNameSpace = NS_NLA; + + mutex.lock(); + if (done) { + mutex.unlock(); + break; + } + int result = WSALookupServiceBegin(&qsRestrictions, LUP_RETURN_ALL, &handle); + mutex.unlock(); + + if (result == SOCKET_ERROR) + break; + + WSACOMPLETION completion; + WSAOVERLAPPED overlapped; + + memset(&overlapped, 0, sizeof(overlapped)); + overlapped.hEvent = changeEvent; + + memset(&completion, 0, sizeof(completion)); + completion.Type = NSP_NOTIFY_EVENT; + completion.Parameters.Event.lpOverlapped = &overlapped; + + DWORD bytesReturned = 0; + result = WSANSPIoctl(handle, SIO_NSP_NOTIFY_CHANGE, 0, 0, 0, 0, + &bytesReturned, &completion); + if (result == SOCKET_ERROR) { + if (WSAGetLastError() != WSA_IO_PENDING) + break; + } + +#ifndef Q_OS_WINCE + // Not interested in unrelated IO completion events + // although we also don't want to block them + while (WaitForSingleObjectEx(changeEvent, WSA_INFINITE, true) != WAIT_IO_COMPLETION && + handle) + { + } +#else + WaitForSingleObject(changeEvent, WSA_INFINITE); +#endif + + mutex.lock(); + if (handle) { + result = WSALookupServiceEnd(handle); + if (result == SOCKET_ERROR) { + mutex.unlock(); + break; + } + handle = 0; + } + mutex.unlock(); + } + + WSACloseEvent(changeEvent); +} + +void QNlaThread::updateConfigurations(QList<QNetworkConfigurationPrivate *> &configs) +{ + mutex.lock(); + + while (!fetchedConfigurations.isEmpty()) + delete fetchedConfigurations.takeFirst(); + + fetchedConfigurations = configs; + + mutex.unlock(); + + emit networksChanged(); +} + +DWORD QNlaThread::parseBlob(NLA_BLOB *blob, QNetworkConfigurationPrivate *cpPriv) const +{ +#ifdef BEARER_MANAGEMENT_DEBUG + printBlob(blob); +#endif + + switch (blob->header.type) { + case NLA_RAW_DATA: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("%s: unhandled header type NLA_RAW_DATA", __FUNCTION__); +#endif + break; + case NLA_INTERFACE: + cpPriv->state = QNetworkConfiguration::Active; + if (QNlaEngine *engine = qobject_cast<QNlaEngine *>(parent())) { + engine->configurationInterface[cpPriv->id.toUInt()] = + QString::fromLatin1(blob->data.interfaceData.adapterName); + } + break; + case NLA_802_1X_LOCATION: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("%s: unhandled header type NLA_802_1X_LOCATION", __FUNCTION__); +#endif + break; + case NLA_CONNECTIVITY: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("%s: unhandled header type NLA_CONNECTIVITY", __FUNCTION__); +#endif + break; + case NLA_ICS: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("%s: unhandled header type NLA_ICS", __FUNCTION__); +#endif + break; + default: +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("%s: unhandled header type %d", __FUNCTION__, blob->header.type); +#endif + ; + } + + return blob->header.nextOffset; +} + +QNetworkConfigurationPrivate *QNlaThread::parseQuerySet(const WSAQUERYSET *querySet) const +{ + QNetworkConfigurationPrivate *cpPriv = new QNetworkConfigurationPrivate; + + cpPriv->name = QString::fromWCharArray(querySet->lpszServiceInstanceName); + cpPriv->isValid = true; + cpPriv->id = QString::number(qHash(QLatin1String("NLA:") + cpPriv->name)); + cpPriv->state = QNetworkConfiguration::Defined; + cpPriv->type = QNetworkConfiguration::InternetAccessPoint; + +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug() << "size:" << querySet->dwSize; + qDebug() << "service instance name:" << QString::fromUtf16(querySet->lpszServiceInstanceName); + qDebug() << "service class id:" << querySet->lpServiceClassId; + qDebug() << "version:" << querySet->lpVersion; + qDebug() << "comment:" << QString::fromUtf16(querySet->lpszComment); + qDebug() << "namespace:" << querySet->dwNameSpace; + qDebug() << "namespace provider id:" << querySet->lpNSProviderId; + qDebug() << "context:" << QString::fromUtf16(querySet->lpszContext); + qDebug() << "number of protocols:" << querySet->dwNumberOfProtocols; + qDebug() << "protocols:" << querySet->lpafpProtocols; + qDebug() << "query string:" << QString::fromUtf16(querySet->lpszQueryString); + qDebug() << "number of cs addresses:" << querySet->dwNumberOfCsAddrs; + qDebug() << "cs addresses:" << querySet->lpcsaBuffer; + qDebug() << "output flags:" << querySet->dwOutputFlags; +#endif + + if (querySet->lpBlob) { +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug() << "blob size:" << querySet->lpBlob->cbSize; + qDebug() << "blob data:" << querySet->lpBlob->pBlobData; +#endif + + DWORD offset = 0; + do { + NLA_BLOB *blob = reinterpret_cast<NLA_BLOB *>(querySet->lpBlob->pBlobData + offset); + DWORD nextOffset = parseBlob(blob, cpPriv); + if (nextOffset == offset) + break; + else + offset = nextOffset; + } while (offset != 0 && offset < querySet->lpBlob->cbSize); + } + + if (QNlaEngine *engine = qobject_cast<QNlaEngine *>(parent())) { + const QString interface = engine->getInterfaceFromId(cpPriv->id); + cpPriv->bearerType = qGetInterfaceType(interface); + } + + return cpPriv; +} + +void QNlaThread::fetchConfigurations() +{ + QList<QNetworkConfigurationPrivate *> foundConfigurations; + + WSAQUERYSET qsRestrictions; + HANDLE hLookup = 0; + + memset(&qsRestrictions, 0, sizeof(qsRestrictions)); + qsRestrictions.dwSize = sizeof(qsRestrictions); + qsRestrictions.dwNameSpace = NS_NLA; + + int result = WSALookupServiceBegin(&qsRestrictions, LUP_RETURN_ALL | LUP_DEEP, &hLookup); + if (result == SOCKET_ERROR) { + mutex.lock(); + fetchedConfigurations.clear(); + mutex.unlock(); + } + + char buffer[0x10000]; + while (result == 0) { + DWORD bufferLength = sizeof(buffer); + result = WSALookupServiceNext(hLookup, LUP_RETURN_ALL, + &bufferLength, reinterpret_cast<WSAQUERYSET *>(buffer)); + + if (result == SOCKET_ERROR) + break; + + QNetworkConfigurationPrivate *cpPriv = + parseQuerySet(reinterpret_cast<WSAQUERYSET *>(buffer)); + + foundConfigurations.append(cpPriv); + } + + if (hLookup) { + result = WSALookupServiceEnd(hLookup); + if (result == SOCKET_ERROR) { +#ifdef BEARER_MANAGEMENT_DEBUG + qDebug("WSALookupServiceEnd error %d", WSAGetLastError()); +#endif + } + } + + updateConfigurations(foundConfigurations); +} + +QNlaEngine::QNlaEngine(QObject *parent) +: QBearerEngineImpl(parent), nlaThread(0) +{ + nlaThread = new QNlaThread(this); + connect(nlaThread, SIGNAL(networksChanged()), + this, SLOT(networksChanged())); + nlaThread->start(); + + qApp->processEvents(QEventLoop::ExcludeUserInputEvents); +} + +QNlaEngine::~QNlaEngine() +{ + delete nlaThread; +} + +void QNlaEngine::networksChanged() +{ + QMutexLocker locker(&mutex); + + QStringList previous = accessPointConfigurations.keys(); + + QList<QNetworkConfigurationPrivate *> foundConfigurations = nlaThread->getConfigurations(); + while (!foundConfigurations.isEmpty()) { + QNetworkConfigurationPrivate *cpPriv = foundConfigurations.takeFirst(); + + previous.removeAll(cpPriv->id); + + if (accessPointConfigurations.contains(cpPriv->id)) { + QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(cpPriv->id); + + bool changed = false; + + ptr->mutex.lock(); + + if (ptr->isValid != cpPriv->isValid) { + ptr->isValid = cpPriv->isValid; + changed = true; + } + + if (ptr->name != cpPriv->name) { + ptr->name = cpPriv->name; + changed = true; + } + + if (ptr->state != cpPriv->state) { + ptr->state = cpPriv->state; + changed = true; + } + + ptr->mutex.unlock(); + + if (changed) { + locker.unlock(); + emit configurationChanged(ptr); + locker.relock(); + } + + delete cpPriv; + } else { + QNetworkConfigurationPrivatePointer ptr(cpPriv); + + accessPointConfigurations.insert(ptr->id, ptr); + + locker.unlock(); + emit configurationAdded(ptr); + locker.relock(); + } + } + + while (!previous.isEmpty()) { + QNetworkConfigurationPrivatePointer ptr = + accessPointConfigurations.take(previous.takeFirst()); + + locker.unlock(); + emit configurationRemoved(ptr); + locker.relock(); + } + + locker.unlock(); + emit updateCompleted(); +} + +QString QNlaEngine::getInterfaceFromId(const QString &id) +{ + QMutexLocker locker(&mutex); + + return configurationInterface.value(id.toUInt()); +} + +bool QNlaEngine::hasIdentifier(const QString &id) +{ + QMutexLocker locker(&mutex); + + return configurationInterface.contains(id.toUInt()); +} + +void QNlaEngine::connectToId(const QString &id) +{ + emit connectionError(id, OperationNotSupported); +} + +void QNlaEngine::disconnectFromId(const QString &id) +{ + emit connectionError(id, OperationNotSupported); +} + +void QNlaEngine::requestUpdate() +{ + QMutexLocker locker(&mutex); + + nlaThread->forceUpdate(); +} + +QNetworkSession::State QNlaEngine::sessionStateForId(const QString &id) +{ + QMutexLocker locker(&mutex); + + QNetworkConfigurationPrivatePointer ptr = accessPointConfigurations.value(id); + + if (!ptr) + return QNetworkSession::Invalid; + + if (!ptr->isValid) { + return QNetworkSession::Invalid; + } else if ((ptr->state & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) { + return QNetworkSession::Connected; + } else if ((ptr->state & QNetworkConfiguration::Discovered) == + QNetworkConfiguration::Discovered) { + return QNetworkSession::Disconnected; + } else if ((ptr->state & QNetworkConfiguration::Defined) == QNetworkConfiguration::Defined) { + return QNetworkSession::NotAvailable; + } else if ((ptr->state & QNetworkConfiguration::Undefined) == + QNetworkConfiguration::Undefined) { + return QNetworkSession::NotAvailable; + } + + return QNetworkSession::Invalid; +} + +QNetworkConfigurationManager::Capabilities QNlaEngine::capabilities() const +{ + return QNetworkConfigurationManager::ForcedRoaming; +} + +QNetworkSessionPrivate *QNlaEngine::createSessionBackend() +{ + return new QNetworkSessionPrivateImpl; +} + +QNetworkConfigurationPrivatePointer QNlaEngine::defaultConfiguration() +{ + return QNetworkConfigurationPrivatePointer(); +} + +#include "qnlaengine.moc" +QT_END_NAMESPACE + |