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/*
SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "osinfo.h"
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusPendingCallWatcher>
#include <QDBusPendingReply>
#include <KPluginFactory>
#include <KLocalizedString>
#include <KCoreAddons>
#include <KOSRelease>
#include <systemstats/SensorContainer.h>
#include <systemstats/SensorObject.h>
#include <systemstats/SensorProperty.h>
#ifdef Q_OS_LINUX
#include <sys/sysinfo.h>
#endif
#include <time.h>
#include "debug.h"
// Uppercase the first letter of each word.
QString upperCaseFirst(const QString &input)
{
auto parts = input.split(QLatin1Char(' '), Qt::SkipEmptyParts);
for (auto &part : parts) {
part[0] = part[0].toUpper();
}
return parts.join(QLatin1Char(' '));
}
// Helper to simplify async dbus calls.
template <typename T>
QDBusPendingCallWatcher *dbusCall(
const QDBusConnection &bus,
const QString &service,
const QString &object,
const QString &interface,
const QString &method,
const QVariantList &arguments,
std::function<void(const QDBusPendingReply<T>&)> callback
)
{
auto message = QDBusMessage::createMethodCall(service, object, interface, method);
message.setArguments(arguments);
auto watcher = new QDBusPendingCallWatcher{bus.asyncCall(message)};
QObject::connect(watcher, &QDBusPendingCallWatcher::finished, watcher, [callback](QDBusPendingCallWatcher *watcher) {
QDBusPendingReply<T> reply = watcher->reply();
callback(reply);
watcher->deleteLater();
});
return watcher;
}
class OSInfoPrivate
{
public:
OSInfoPrivate(OSInfoPlugin *qq);
virtual ~OSInfoPrivate() = default;
virtual void update();
virtual void init();
OSInfoPlugin *q;
KSysGuard::SensorContainer *container = nullptr;
KSysGuard::SensorObject *kernelObject = nullptr;
KSysGuard::SensorProperty *kernelNameProperty = nullptr;
KSysGuard::SensorProperty *kernelVersionProperty = nullptr;
KSysGuard::SensorProperty *kernelPrettyNameProperty = nullptr;
KSysGuard::SensorObject *systemObject = nullptr;
KSysGuard::SensorProperty *hostnameProperty = nullptr;
KSysGuard::SensorProperty *osNameProperty = nullptr;
KSysGuard::SensorProperty *osVersionProperty = nullptr;
KSysGuard::SensorProperty *osPrettyNameProperty = nullptr;
KSysGuard::SensorProperty *osLogoProperty = nullptr;
KSysGuard::SensorProperty *osUrlProperty = nullptr;
KSysGuard::SensorProperty *uptimeProperty = nullptr;
KSysGuard::SensorObject *plasmaObject = nullptr;
KSysGuard::SensorProperty *qtVersionProperty = nullptr;
KSysGuard::SensorProperty *kfVersionProperty = nullptr;
KSysGuard::SensorProperty *plasmaVersionProperty = nullptr;
KSysGuard::SensorProperty *windowSystemProperty = nullptr;
};
class LinuxPrivate : public OSInfoPrivate
{
public:
LinuxPrivate(OSInfoPlugin *qq) : OSInfoPrivate(qq) { }
void init() override;
};
OSInfoPrivate::OSInfoPrivate(OSInfoPlugin *qq)
: q(qq)
{
container = new KSysGuard::SensorContainer(QStringLiteral("os"), i18nc("@title", "Operating System"), q);
kernelObject = new KSysGuard::SensorObject(QStringLiteral("kernel"), i18nc("@title", "Kernel"), container);
kernelNameProperty = new KSysGuard::SensorProperty(QStringLiteral("name"), i18nc("@title", "Kernel Name"), kernelObject);
kernelVersionProperty = new KSysGuard::SensorProperty(QStringLiteral("version"), i18nc("@title", "Kernel Version"), kernelObject);
kernelPrettyNameProperty = new KSysGuard::SensorProperty(QStringLiteral("prettyName"), i18nc("@title", "Kernel Name and Version"), kernelObject);
kernelPrettyNameProperty->setShortName(i18nc("@title Kernel Name and Version", "Kernel"));
systemObject = new KSysGuard::SensorObject(QStringLiteral("system"), i18nc("@title", "System"), container);
hostnameProperty = new KSysGuard::SensorProperty(QStringLiteral("hostname"), i18nc("@title", "Hostname"), systemObject);
osNameProperty = new KSysGuard::SensorProperty(QStringLiteral("name"), i18nc("@title", "Operating System Name"), systemObject);
osVersionProperty = new KSysGuard::SensorProperty(QStringLiteral("version"), i18nc("@title", "Operating System Version"), systemObject);
osPrettyNameProperty = new KSysGuard::SensorProperty(QStringLiteral("prettyName"), i18nc("@title", "Operating System Name and Version"), systemObject);
osPrettyNameProperty->setShortName(i18nc("@title Operating System Name and Version", "OS"));
osLogoProperty = new KSysGuard::SensorProperty(QStringLiteral("logo"), i18nc("@title", "Operating System Logo"), systemObject);
osUrlProperty = new KSysGuard::SensorProperty(QStringLiteral("url"), i18nc("@title", "Operating System URL"), systemObject);
uptimeProperty = new KSysGuard::SensorProperty(QStringLiteral("uptime"), i18nc("@title", "Uptime"), systemObject);
uptimeProperty->setUnit(KSysGuard::UnitTime);
plasmaObject = new KSysGuard::SensorObject(QStringLiteral("plasma"), i18nc("@title", "KDE Plasma"), container);
qtVersionProperty = new KSysGuard::SensorProperty(QStringLiteral("qtVersion"), i18nc("@title", "Qt Version"), plasmaObject);
kfVersionProperty = new KSysGuard::SensorProperty(QStringLiteral("kfVersion"), i18nc("@title", "KDE Frameworks Version"), plasmaObject);
plasmaVersionProperty = new KSysGuard::SensorProperty(QStringLiteral("plasmaVersion"), i18nc("@title", "KDE Plasma Version"), plasmaObject);
windowSystemProperty = new KSysGuard::SensorProperty(QStringLiteral("windowsystem"), i18nc("@title", "Window System"), plasmaObject);
}
OSInfoPlugin::~OSInfoPlugin() = default;
void OSInfoPrivate::init()
{
auto kernelName = upperCaseFirst(QSysInfo::kernelType());
kernelNameProperty->setValue(kernelName);
kernelVersionProperty->setValue(QSysInfo::kernelVersion());
kernelPrettyNameProperty->setValue(QString{kernelName % QLatin1Char(' ') % QSysInfo::kernelVersion()});
hostnameProperty->setValue(QSysInfo::machineHostName());
KOSRelease os;
osNameProperty->setValue(os.name());
osVersionProperty->setValue(os.version());
osPrettyNameProperty->setValue(os.prettyName());
osLogoProperty->setValue(os.logo());
osUrlProperty->setValue(os.homeUrl());
qtVersionProperty->setValue(QString::fromLatin1(qVersion()));
kfVersionProperty->setValue(KCoreAddons::versionString());
windowSystemProperty->setValue(qgetenv("XDG_SESSION_TYPE").compare("x11", Qt::CaseInsensitive) == 0 ? QStringLiteral("X11") : QStringLiteral("Wayland"));
dbusCall<QVariant>(
QDBusConnection::sessionBus(),
QStringLiteral("org.kde.plasmashell"),
QStringLiteral("/MainApplication"),
QStringLiteral("org.freedesktop.DBus.Properties"),
QStringLiteral("Get"),
{ QStringLiteral("org.qtproject.Qt.QCoreApplication"), QStringLiteral("applicationVersion") },
[this](const QDBusPendingReply<QVariant> &reply) {
if (reply.isError()) {
qCWarning(KSYSTEMSTATS_OSINFO) << "Could not determine Plasma version, got: " << reply.error().message();
plasmaVersionProperty->setValue(i18nc("@info", "Unknown"));
} else {
plasmaVersionProperty->setValue(reply.value());
}
}
);
}
void OSInfoPrivate::update()
{
#if defined Q_OS_LINUX
struct sysinfo info;
sysinfo(&info);
// can't send a long over the bus
uptimeProperty->setValue(QVariant::fromValue<qlonglong>(info.uptime));
#elif defined Q_OS_FREEBSD
timespec time;
clock_gettime(CLOCK_UPTIME, &time);
uptimeProperty->setValue(QVariant::fromValue<qlonglong>(time.tv_sec));
#endif
}
void LinuxPrivate::init()
{
OSInfoPrivate::init();
// Override some properties with values from hostnamed, if available.
dbusCall<QVariantMap>(
QDBusConnection::systemBus(),
QStringLiteral("org.freedesktop.hostname1"),
QStringLiteral("/org/freedesktop/hostname1"),
QStringLiteral("org.freedesktop.DBus.Properties"),
QStringLiteral("GetAll"),
{ QStringLiteral("org.freedesktop.hostname1") },
[this](const QDBusPendingReply<QVariantMap> &reply) {
if (reply.isError()) {
qCWarning(KSYSTEMSTATS_OSINFO) << "Could not contact hostnamed, got: " << reply.error().message();
} else {
auto properties = reply.value();
auto kernelName = properties.value(QStringLiteral("KernelName"), kernelNameProperty->value()).toString();
kernelNameProperty->setValue(kernelName);
auto kernelVersion = properties.value(QStringLiteral("KernelRelease"), kernelVersionProperty->value()).toString();
kernelVersionProperty->setValue(kernelVersion);
kernelPrettyNameProperty->setValue(QString{kernelName % QLatin1Char(' ') % kernelVersion});
auto prettyHostName = properties.value(QStringLiteral("PrettyHostname"), QString{}).toString();
if (!prettyHostName.isEmpty()) {
hostnameProperty->setValue(prettyHostName);
} else {
hostnameProperty->setValue(properties.value(QStringLiteral("Hostname"), hostnameProperty->value()));
}
}
}
);
}
OSInfoPlugin::OSInfoPlugin(QObject *parent, const QVariantList &args)
: SensorPlugin(parent, args)
{
#ifdef Q_OS_LINUX
d = std::make_unique<LinuxPrivate>(this);
#else
d = std::make_unique<OSInfoPrivate>(this);
#endif
d->init();
}
void OSInfoPlugin::update()
{
d->update();
}
K_PLUGIN_CLASS_WITH_JSON(OSInfoPlugin, "metadata.json")
#include "osinfo.moc"
#include "moc_osinfo.cpp"
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