qt5base-lts/examples/network/bearermonitor/bearermonitor.cpp
Jani Heikkinen 2b75c156b6 Updated BSD licensed file headers
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2015-02-15 07:41:17 +00:00

413 lines
13 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "bearermonitor.h"
#include "sessionwidget.h"
#include <QtCore/QDebug>
#ifdef Q_OS_WIN
#include <winsock2.h>
#undef interface
#ifndef NS_NLA
#define NS_NLA 15
#endif
#endif
BearerMonitor::BearerMonitor(QWidget *parent)
: QWidget(parent)
{
setupUi(this);
delete tabWidget->currentWidget();
sessionGroup->hide();
updateConfigurations();
onlineStateChanged(!manager.allConfigurations(QNetworkConfiguration::Active).isEmpty());
QNetworkConfiguration defaultConfiguration = manager.defaultConfiguration();
for (int i = 0; i < treeWidget->topLevelItemCount(); ++i) {
QTreeWidgetItem *item = treeWidget->topLevelItem(i);
if (item->data(0, Qt::UserRole).toString() == defaultConfiguration.identifier()) {
treeWidget->setCurrentItem(item);
showConfigurationFor(item);
break;
}
}
connect(&manager, SIGNAL(onlineStateChanged(bool)), this ,SLOT(onlineStateChanged(bool)));
connect(&manager, SIGNAL(configurationAdded(const QNetworkConfiguration&)),
this, SLOT(configurationAdded(const QNetworkConfiguration&)));
connect(&manager, SIGNAL(configurationRemoved(const QNetworkConfiguration&)),
this, SLOT(configurationRemoved(const QNetworkConfiguration&)));
connect(&manager, SIGNAL(configurationChanged(const QNetworkConfiguration&)),
this, SLOT(configurationChanged(const QNetworkConfiguration)));
connect(&manager, SIGNAL(updateCompleted()), this, SLOT(updateConfigurations()));
#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
connect(registerButton, SIGNAL(clicked()), this, SLOT(registerNetwork()));
connect(unregisterButton, SIGNAL(clicked()), this, SLOT(unregisterNetwork()));
#else // Q_OS_WIN && !Q_OS_WINRT
nlaGroup->hide();
#endif
connect(treeWidget, SIGNAL(itemActivated(QTreeWidgetItem*,int)),
this, SLOT(createSessionFor(QTreeWidgetItem*)));
connect(treeWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
this, SLOT(showConfigurationFor(QTreeWidgetItem*)));
connect(newSessionButton, SIGNAL(clicked()),
this, SLOT(createNewSession()));
connect(deleteSessionButton, SIGNAL(clicked()),
this, SLOT(deleteSession()));
connect(scanButton, SIGNAL(clicked()),
this, SLOT(performScan()));
// Just in case update all configurations so that all
// configurations are up to date.
manager.updateConfigurations();
}
BearerMonitor::~BearerMonitor()
{
}
static void updateItem(QTreeWidgetItem *item, const QNetworkConfiguration &config)
{
item->setText(0, config.name());
item->setData(0, Qt::UserRole, config.identifier());
QFont font = item->font(1);
font.setBold((config.state() & QNetworkConfiguration::Active) == QNetworkConfiguration::Active);
item->setFont(0, font);
}
void BearerMonitor::configurationAdded(const QNetworkConfiguration &config, QTreeWidgetItem *parent)
{
if (!config.isValid())
return;
QTreeWidgetItem *item = new QTreeWidgetItem;
updateItem(item, config);
if (parent)
parent->addChild(item);
else
treeWidget->addTopLevelItem(item);
if (config.type() == QNetworkConfiguration::ServiceNetwork) {
foreach (const QNetworkConfiguration &child, config.children())
configurationAdded(child, item);
}
}
void BearerMonitor::configurationRemoved(const QNetworkConfiguration &config)
{
for (int i = 0; i < treeWidget->topLevelItemCount(); ++i) {
QTreeWidgetItem *item = treeWidget->topLevelItem(i);
if (item->data(0, Qt::UserRole).toString() == config.identifier()) {
delete item;
break;
}
}
}
void BearerMonitor::configurationChanged(const QNetworkConfiguration &config)
{
for (int i = 0; i < treeWidget->topLevelItemCount(); ++i) {
QTreeWidgetItem *item = treeWidget->topLevelItem(i);
if (item->data(0, Qt::UserRole).toString() == config.identifier()) {
updateItem(item, config);
if (config.type() == QNetworkConfiguration::ServiceNetwork)
updateSnapConfiguration(item, config);
if (item == treeWidget->currentItem())
showConfigurationFor(item);
break;
}
}
}
void BearerMonitor::updateSnapConfiguration(QTreeWidgetItem *parent, const QNetworkConfiguration &snap)
{
QMap<QString, QTreeWidgetItem *> itemMap;
foreach (QTreeWidgetItem *item, parent->takeChildren())
itemMap.insert(item->data(0, Qt::UserRole).toString(), item);
QList<QNetworkConfiguration> allConfigurations = snap.children();
while (!allConfigurations.isEmpty()) {
QNetworkConfiguration config = allConfigurations.takeFirst();
QTreeWidgetItem *item = itemMap.take(config.identifier());
if (item) {
updateItem(item, config);
parent->addChild(item);
if (config.type() == QNetworkConfiguration::ServiceNetwork)
updateSnapConfiguration(item, config);
} else {
configurationAdded(config, parent);
}
}
qDeleteAll(itemMap);
}
void BearerMonitor::updateConfigurations()
{
progressBar->hide();
scanButton->show();
// Just in case update online state, on Symbian platform
// WLAN scan needs to be triggered initially to have their true state.
onlineStateChanged(manager.isOnline());
QList<QTreeWidgetItem *> items = treeWidget->findItems(QLatin1String("*"), Qt::MatchWildcard);
QMap<QString, QTreeWidgetItem *> itemMap;
while (!items.isEmpty()) {
QTreeWidgetItem *item = items.takeFirst();
itemMap.insert(item->data(0, Qt::UserRole).toString(), item);
}
QNetworkConfiguration defaultConfiguration = manager.defaultConfiguration();
QTreeWidgetItem *defaultItem = itemMap.take(defaultConfiguration.identifier());
if (defaultItem) {
updateItem(defaultItem, defaultConfiguration);
if (defaultConfiguration.type() == QNetworkConfiguration::ServiceNetwork)
updateSnapConfiguration(defaultItem, defaultConfiguration);
} else {
configurationAdded(defaultConfiguration);
}
QList<QNetworkConfiguration> allConfigurations = manager.allConfigurations();
while (!allConfigurations.isEmpty()) {
QNetworkConfiguration config = allConfigurations.takeFirst();
if (config.identifier() == defaultConfiguration.identifier())
continue;
QTreeWidgetItem *item = itemMap.take(config.identifier());
if (item) {
updateItem(item, config);
if (config.type() == QNetworkConfiguration::ServiceNetwork)
updateSnapConfiguration(item, config);
} else {
configurationAdded(config);
}
}
qDeleteAll(itemMap);
}
void BearerMonitor::onlineStateChanged(bool isOnline)
{
if (isOnline)
onlineState->setText(tr("Online"));
else
onlineState->setText(tr("Offline"));
}
#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
void BearerMonitor::registerNetwork()
{
QTreeWidgetItem *item = treeWidget->currentItem();
if (!item) return;
QNetworkConfiguration configuration =
manager.configurationFromIdentifier(item->data(0, Qt::UserRole).toString());
const QString name = configuration.name();
qDebug() << "Registering" << name << "with system";
WSAQUERYSET networkInfo;
memset(&networkInfo, 0, sizeof(networkInfo));
networkInfo.dwSize = sizeof(networkInfo);
networkInfo.lpszServiceInstanceName = (LPWSTR)name.utf16();
networkInfo.dwNameSpace = NS_NLA;
if (WSASetService(&networkInfo, RNRSERVICE_REGISTER, 0) == SOCKET_ERROR)
qDebug() << "WSASetService(RNRSERVICE_REGISTER) returned" << WSAGetLastError();
}
void BearerMonitor::unregisterNetwork()
{
QTreeWidgetItem *item = treeWidget->currentItem();
if (!item) return;
QNetworkConfiguration configuration =
manager.configurationFromIdentifier(item->data(0, Qt::UserRole).toString());
const QString name = configuration.name();
qDebug() << "Unregistering" << name << "with system";
WSAQUERYSET networkInfo;
memset(&networkInfo, 0, sizeof(networkInfo));
networkInfo.dwSize = sizeof(networkInfo);
networkInfo.lpszServiceInstanceName = (LPWSTR)name.utf16();
networkInfo.dwNameSpace = NS_NLA;
if (WSASetService(&networkInfo, RNRSERVICE_DELETE, 0) == SOCKET_ERROR)
qDebug() << "WSASetService(RNRSERVICE_DELETE) returned" << WSAGetLastError();
}
#endif // Q_OS_WIN && !Q_OS_WINRT
void BearerMonitor::showConfigurationFor(QTreeWidgetItem *item)
{
QString identifier;
if (item)
identifier = item->data(0, Qt::UserRole).toString();
QNetworkConfiguration conf = manager.configurationFromIdentifier(identifier);
switch (conf.state()) {
case QNetworkConfiguration::Active:
configurationState->setText(tr("Active"));
break;
case QNetworkConfiguration::Discovered:
configurationState->setText(tr("Discovered"));
break;
case QNetworkConfiguration::Defined:
configurationState->setText(tr("Defined"));
break;
case QNetworkConfiguration::Undefined:
configurationState->setText(tr("Undefined"));
break;
default:
configurationState->setText(QString());
}
switch (conf.type()) {
case QNetworkConfiguration::InternetAccessPoint:
configurationType->setText(tr("Internet Access Point"));
break;
case QNetworkConfiguration::ServiceNetwork:
configurationType->setText(tr("Service Network"));
break;
case QNetworkConfiguration::UserChoice:
configurationType->setText(tr("User Choice"));
break;
case QNetworkConfiguration::Invalid:
configurationType->setText(tr("Invalid"));
break;
default:
configurationType->setText(QString());
}
switch (conf.purpose()) {
case QNetworkConfiguration::UnknownPurpose:
configurationPurpose->setText(tr("Unknown"));
break;
case QNetworkConfiguration::PublicPurpose:
configurationPurpose->setText(tr("Public"));
break;
case QNetworkConfiguration::PrivatePurpose:
configurationPurpose->setText(tr("Private"));
break;
case QNetworkConfiguration::ServiceSpecificPurpose:
configurationPurpose->setText(tr("Service Specific"));
break;
default:
configurationPurpose->setText(QString());
}
configurationIdentifier->setText(conf.identifier());
configurationRoaming->setText(conf.isRoamingAvailable() ? tr("Available") : tr("Not available"));
configurationChildren->setText(QString::number(conf.children().count()));
configurationName->setText(conf.name());
}
void BearerMonitor::createSessionFor(QTreeWidgetItem *item)
{
const QString identifier = item->data(0, Qt::UserRole).toString();
QNetworkConfiguration conf = manager.configurationFromIdentifier(identifier);
SessionWidget *session = new SessionWidget(conf);
tabWidget->addTab(session, conf.name());
sessionGroup->show();
sessionWidgets.append(session);
}
void BearerMonitor::createNewSession()
{
QTreeWidgetItem *item = treeWidget->currentItem();
if (!item) return;
createSessionFor(item);
}
void BearerMonitor::deleteSession()
{
SessionWidget *session = qobject_cast<SessionWidget *>(tabWidget->currentWidget());
if (session) {
sessionWidgets.removeAll(session);
delete session;
if (tabWidget->count() == 0)
sessionGroup->hide();
}
}
void BearerMonitor::performScan()
{
scanButton->hide();
progressBar->show();
manager.updateConfigurations();
}