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/**************************************************************************
**
** This file is part of Qt Simulator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#include "qtsingleapplication.h"
#include "ui/mainwindow.h"
#include "qsimulatordata_p.h"
#include "messaging.h"
#ifdef Q_OS_UNIX
extern "C" {
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
}
#endif
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QSettings>
#include <QtCore/QTimer>
#include <QtCore/QDateTime>
#include <QtGui/QApplication>
#include <QtGui/QDesktopServices>
#ifdef Q_OS_WIN
#include <QtGui/QMessageBox>
#endif
static void registerSimulator(const QString &location)
{
QSettings userSettings;
QSettings *settings = &userSettings;
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
// If the system settings are writable, don't touch the user settings.
// The reason is that a simulator started with sudo could otherwise create
// a root-owned configuration file a user directory.
QSettings systemSettings(QSettings::SystemScope, SIMULATOR_APP_VENDOR, SIMULATOR_APP_NAME);
// QSettings::isWritable isn't reliable enough in 4.7, determine writability experimentally
systemSettings.setValue(SIMULATOR_APP_LOCATION_KEY, QLatin1String("SETTABLE"));
systemSettings.sync();
if (systemSettings.status() == QSettings::NoError) {
settings = &systemSettings;
if (userSettings.contains(SIMULATOR_APP_LOCATION_KEY))
userSettings.remove(SIMULATOR_APP_LOCATION_KEY);
}
#endif
settings->beginGroup(SIMULATOR_APP_LOCATION_KEY);
QString simulatorVersionString = simulatorVersion.toString();
QVariant value = settings->value(simulatorVersionString);
if (!value.isValid() || settings->value(simulatorVersionString).toString() != location)
settings->setValue(simulatorVersionString, location);
settings->endGroup();
settings->beginGroup(SIMULATOR_APP_QT_VERSIONS_KEY);
QList<QString> supportedQtVersion;
supportedQtVersion << "4.7.4.0" << "4.7.4.1" << "4.8.0.0" << "4.8.0.1";
foreach(const QString &version, supportedQtVersion) {
QList<QString> simulators;
QVariant value = settings->value(version);
if (value.isValid())
simulators = value.toStringList();
if (!simulators.contains(simulatorVersionString))
simulators.append(simulatorVersionString);
settings->setValue(version, QVariant::fromValue<QStringList>(simulators));
}
settings->endGroup();
const QString dataKey = QLatin1String(SIMULATOR_APP_DATA_KEY);
QString appDataLocation = QDesktopServices::storageLocation(QDesktopServices::DataLocation);
if (appDataLocation.isEmpty())
appDataLocation = location;
value = settings->value(dataKey);
if (!value.isValid() || settings->value(dataKey).toString() != appDataLocation)
settings->setValue(dataKey, appDataLocation);
}
void cleanupUnusedSharedMemory()
{
#ifdef Q_OS_UNIX
// This code depends on the implementation of QSharedMemory
QDir tmp(QDir::tempPath());
QStringList possibleFiles = tmp.entryList(QStringList("qipc_sharedmemory_QTSIMULATORSHAREDMEMORY*"), QDir::Files);
foreach (QString fileName, possibleFiles) {
int unix_key = ::ftok(QFile::encodeName(tmp.absoluteFilePath(fileName)).constData(), 'Q');
// Get the number of current attachments
int id = ::shmget(unix_key, 0, 0444);
struct shmid_ds shmid_ds;
if (0 != ::shmctl(id, IPC_STAT, &shmid_ds)) {
qWarning("getting the number of current attachments failed");
continue;
}
// If there are no attachments then remove it.
if (shmid_ds.shm_nattch == 0) {
// mark for removal
if (-1 == ::shmctl(id, IPC_RMID, &shmid_ds)) {
qWarning("mark shared memory segment for removal failed");
continue;
}
// remove file
if (!tmp.remove(fileName)) {
qWarning("could not remove shared memory segment 'file'");
continue;
}
qDebug() << "superfluous shared memory segment removed";
}
}
#endif
}
int main(int argc, char **argv)
{
cleanupUnusedSharedMemory();
QCoreApplication::setOrganizationName(SIMULATOR_APP_VENDOR);
QCoreApplication::setApplicationName(SIMULATOR_APP_NAME);
SharedTools::QtSingleApplication app(SIMULATOR_APP_NAME + simulatorVersion.toString(), argc, argv);
QDir::setCurrent(app.applicationDirPath());
QDir pluginsDir = QDir::current();
if (pluginsDir.cd("plugins"))
QApplication::addLibraryPath(pluginsDir.absolutePath());
registerSimulator(app.applicationFilePath());
QStringList arguments;
for (int i = 1; i < argc; ++i) {
arguments += QString(argv[i]);
}
if (arguments.size() == 1) {
if (arguments[0] == QLatin1String("-registeronly")
|| arguments[0] == QLatin1String("--registeronly")) {
//As creation of the messaging folder takes ages, we do that when
//registering the simulator
Messaging m;
m.setInitialData();
// Don't return directly. Otherwise we crash.
QTimer::singleShot(1000, &app, SLOT(quit()));
return app.exec();
}
if (arguments[0] == QLatin1String("--version")) {
QString output = "Qt Simulator version " + simulatorVersion.toString() + "\n";
#ifndef Q_OS_WIN
QTextStream stream(stdout);
stream << output;
#else
QMessageBox::information(0, app.applicationName(), output);
#endif
return EXIT_SUCCESS;
}
if (arguments[0] == QLatin1String("--help")) {
QString output = "Usage: " + QString(argv[0]) + " [arguments]\n"
"\n"
"Arguments:\n"
" --runscript <file-name>: Execute a script file on a running Simulator instance\n"
" --version: Report the Simulator's version\n";
#ifndef Q_OS_WIN
QTextStream stream(stdout);
stream << output;
#else
QMessageBox::information(0, app.applicationName(), output);
#endif
return EXIT_SUCCESS;
}
}
bool isFirstInstance = !app.isRunning();
for (int a = 0; a < arguments.size(); ++a) {
if (arguments[a] == QLatin1String("-runscript")
|| arguments[a] == QLatin1String("--runscript")) {
if (isFirstInstance) {
qWarning() << "Ignored --runscript: No running simulator found";
return EXIT_FAILURE;
}
if (a + 1 >= arguments.size()) {
qWarning() << "Syntax: --runscript <file-name>";
return EXIT_FAILURE;
}
const QString targetFile = arguments[a + 1];
++a;
if (!app.sendMessage(QString("runscript %1").arg(targetFile))) {
qWarning() << "Could not send message to running simulator.";
return EXIT_FAILURE;
} else {
return EXIT_SUCCESS;
}
}
}
if (!isFirstInstance) {
app.sendMessage(QString("activate"));
return 0;
}
qsrand(QDateTime::currentMSecsSinceEpoch());
app.initialize();
MainWindow main;
app.setActivationWindow(&main);
QObject::connect(&app, SIGNAL(messageReceived(QString)), &main, SLOT(handleMessage(QString)));
main.show();
return app.exec();
}
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