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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module 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 "qnetworkconfigmanager_p.h"
#include "qbearerplugin_p.h"
#include <QtCore/private/qfactoryloader_p.h>
#include <QtCore/qdebug.h>
#include <QtCore/qtimer.h>
#include <QtCore/qstringlist.h>
QT_BEGIN_NAMESPACE
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
(QBearerEngineFactoryInterface_iid, QLatin1String("/bearer")))
QNetworkConfigurationManagerPrivate::~QNetworkConfigurationManagerPrivate()
{
qDeleteAll(sessionEngines);
}
void QNetworkConfigurationManagerPrivate::configurationAdded(QNetworkConfigurationPrivatePointer ptr)
{
if (!firstUpdate) {
QNetworkConfiguration item;
item.d = ptr;
emit configurationAdded(item);
}
if (ptr->state == QNetworkConfiguration::Active) {
onlineConfigurations.insert(ptr);
if (!firstUpdate && onlineConfigurations.count() == 1)
emit onlineStateChanged(true);
}
}
void QNetworkConfigurationManagerPrivate::configurationRemoved(QNetworkConfigurationPrivatePointer ptr)
{
ptr->isValid = false;
if (!firstUpdate) {
QNetworkConfiguration item;
item.d = ptr;
emit configurationRemoved(item);
}
onlineConfigurations.remove(ptr);
if (!firstUpdate && onlineConfigurations.isEmpty())
emit onlineStateChanged(false);
}
void QNetworkConfigurationManagerPrivate::configurationChanged(QNetworkConfigurationPrivatePointer ptr)
{
if (!firstUpdate) {
QNetworkConfiguration item;
item.d = ptr;
emit configurationChanged(item);
}
bool previous = !onlineConfigurations.isEmpty();
if (ptr->state == QNetworkConfiguration::Active)
onlineConfigurations.insert(ptr);
else
onlineConfigurations.remove(ptr);
bool online = !onlineConfigurations.isEmpty();
if (!firstUpdate && online != previous)
emit onlineStateChanged(online);
}
void QNetworkConfigurationManagerPrivate::updateConfigurations()
{
if (firstUpdate) {
updating = false;
QFactoryLoader *l = loader();
QBearerEngine *generic = 0;
foreach (const QString &key, l->keys()) {
QBearerEnginePlugin *plugin = qobject_cast<QBearerEnginePlugin *>(l->instance(key));
if (plugin) {
QBearerEngine *engine = plugin->create(key);
if (!engine)
continue;
if (key == QLatin1String("generic"))
generic = engine;
else
sessionEngines.append(engine);
connect(engine, SIGNAL(updateCompleted()),
this, SLOT(updateConfigurations()));
connect(engine, SIGNAL(configurationAdded(QNetworkConfigurationPrivatePointer)),
this, SLOT(configurationAdded(QNetworkConfigurationPrivatePointer)));
connect(engine, SIGNAL(configurationRemoved(QNetworkConfigurationPrivatePointer)),
this, SLOT(configurationRemoved(QNetworkConfigurationPrivatePointer)));
connect(engine, SIGNAL(configurationChanged(QNetworkConfigurationPrivatePointer)),
this, SLOT(configurationChanged(QNetworkConfigurationPrivatePointer)));
capFlags |= engine->capabilities();
}
}
if (generic)
sessionEngines.append(generic);
}
QBearerEngine *engine = qobject_cast<QBearerEngine *>(sender());
if (!updatingEngines.isEmpty() && engine) {
int index = sessionEngines.indexOf(engine);
if (index >= 0)
updatingEngines.remove(index);
}
if (updating && updatingEngines.isEmpty()) {
updating = false;
emit configurationUpdateComplete();
}
if (firstUpdate)
firstUpdate = false;
}
/*!
Returns the default configuration of the first plugin, if one exists; otherwise returns an
invalid configuration.
\internal
*/
QNetworkConfiguration QNetworkConfigurationManagerPrivate::defaultConfiguration()
{
foreach (QBearerEngine *engine, sessionEngines) {
QNetworkConfigurationPrivatePointer ptr = engine->defaultConfiguration();
if (ptr) {
QNetworkConfiguration config;
config.d = ptr;
return config;
}
}
// Engines don't have a default configuration.
// Return first active snap
QNetworkConfigurationPrivatePointer firstDiscovered;
foreach (QBearerEngine *engine, sessionEngines) {
QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator it;
QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator end;
for (it = engine->snapConfigurations.begin(), end = engine->snapConfigurations.end();
it != end; ++it) {
if ((it.value()->state & QNetworkConfiguration::Active) ==
QNetworkConfiguration::Active) {
QNetworkConfiguration config;
config.d = it.value();
return config;
} else if ((it.value()->state & QNetworkConfiguration::Discovered) ==
QNetworkConfiguration::Discovered) {
firstDiscovered = it.value();
}
}
}
// No Active SNAPs return first Discovered SNAP.
if (firstDiscovered) {
QNetworkConfiguration config;
config.d = firstDiscovered;
return config;
}
// No Active or Discovered SNAPs, do same for InternetAccessPoints.
firstDiscovered.reset();
foreach (QBearerEngine *engine, sessionEngines) {
QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator it;
QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator end;
for (it = engine->accessPointConfigurations.begin(),
end = engine->accessPointConfigurations.end(); it != end; ++it) {
if ((it.value()->state & QNetworkConfiguration::Active) ==
QNetworkConfiguration::Active) {
QNetworkConfiguration config;
config.d = it.value();
return config;
} else if ((it.value()->state & QNetworkConfiguration::Discovered) ==
QNetworkConfiguration::Discovered) {
firstDiscovered = it.value();
}
}
}
// No Active InternetAccessPoint return first Discovered InternetAccessPoint.
if (firstDiscovered) {
QNetworkConfiguration config;
config.d = firstDiscovered;
return config;
}
return QNetworkConfiguration();
}
void QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate()
{
if (sessionEngines.isEmpty()) {
emit configurationUpdateComplete();
return;
}
updating = true;
for (int i = 0; i < sessionEngines.count(); ++i) {
updatingEngines.insert(i);
sessionEngines.at(i)->requestUpdate();
}
}
QT_END_NAMESPACE
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