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/* This file is part of the KDE project
SPDX-FileCopyrightText: 2006 Kevin Ottens <ervin@kde.org>
SPDX-FileCopyrightText: 2008-2010 Dario Freddi <drf@kde.org>
SPDX-FileCopyrightText: 2010 Alejandro Fiestas <alex@eyeos.org>
SPDX-FileCopyrightText: 2010-2013 Lukáš Tinkl <ltinkl@redhat.com>
SPDX-FileCopyrightText: 2015 Kai Uwe Broulik <kde@privat.broulik.de>
SPDX-FileCopyrightText: 2023 Nicolas Fella <nicolas.fella@gmx.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#include "suspendcontroller.h"
#include <powerdevil_debug.h>
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDir>
#include <QFile>
using namespace Qt::StringLiterals;
inline constexpr QLatin1StringView LOGIN1_SERVICE("org.freedesktop.login1");
inline constexpr QLatin1StringView CONSOLEKIT2_SERVICE("org.freedesktop.ConsoleKit");
inline static const QLatin1String s_wakeupSysFsPath("/sys/class/wakeup");
SuspendController::SuspendController()
: QObject()
{
// interfaces
if (!QDBusConnection::systemBus().interface()->isServiceRegistered(LOGIN1_SERVICE)) {
// Activate it.
QDBusConnection::systemBus().interface()->startService(LOGIN1_SERVICE);
}
if (!QDBusConnection::systemBus().interface()->isServiceRegistered(CONSOLEKIT2_SERVICE)) {
// Activate it.
QDBusConnection::systemBus().interface()->startService(CONSOLEKIT2_SERVICE);
}
if (QDBusConnection::systemBus().interface()->isServiceRegistered(LOGIN1_SERVICE)) {
m_login1Interface =
new QDBusInterface(LOGIN1_SERVICE, u"/org/freedesktop/login1"_s, u"org.freedesktop.login1.Manager"_s, QDBusConnection::systemBus(), this);
}
// if login1 isn't available, try using the same interface with ConsoleKit2
if (!m_login1Interface && QDBusConnection::systemBus().interface()->isServiceRegistered(CONSOLEKIT2_SERVICE)) {
m_login1Interface = new QDBusInterface(CONSOLEKIT2_SERVICE,
u"/org/freedesktop/ConsoleKit/Manager"_s,
u"org.freedesktop.ConsoleKit.Manager"_s,
QDBusConnection::systemBus(),
this);
}
// "resuming" signal
if (m_login1Interface) {
connect(m_login1Interface.data(), SIGNAL(PrepareForSleep(bool)), this, SLOT(slotLogin1PrepareForSleep(bool)));
}
#ifdef Q_OS_LINUX
m_udevClient = new UdevQt::Client(this);
#endif
}
bool SuspendController::canSuspend() const
{
return m_sessionManagement.canSuspend();
}
void SuspendController::suspend()
{
m_sessionManagement.suspend();
}
bool SuspendController::canHibernate() const
{
return m_sessionManagement.canHibernate();
}
void SuspendController::hibernate()
{
m_sessionManagement.hibernate();
}
bool SuspendController::canHybridSuspend() const
{
return m_sessionManagement.canHybridSuspend();
}
void SuspendController::hybridSuspend()
{
m_sessionManagement.hybridSuspend();
}
bool SuspendController::canSuspendThenHibernate() const
{
return m_sessionManagement.canSuspendThenHibernate();
}
void SuspendController::suspendThenHibernate()
{
m_sessionManagement.suspendThenHibernate();
}
void SuspendController::slotLogin1PrepareForSleep(bool active)
{
#ifdef Q_OS_LINUX
snapshotWakeupCounts(active);
#endif
if (active) {
Q_EMIT aboutToSuspend();
} else {
Q_EMIT resumeFromSuspend();
}
}
#ifdef Q_OS_LINUX
void SuspendController::snapshotWakeupCounts(bool active)
{
// clear out previously recorded values
if (active) {
m_wakeupCounts.clear();
} else {
m_lastWakeupSources.clear();
}
// read all wakeups, if we are waking up, diff against previous values
const QStringList wakeups = QDir(s_wakeupSysFsPath).entryList(QDir::Dirs | QDir::NoDotAndDotDot);
for (const QString &wakeup : wakeups) {
QDir wakeupDir(QString(s_wakeupSysFsPath + u'/' + wakeup));
// read wakeup source name
QFile file(wakeupDir.absoluteFilePath(u"name"_s));
if (!file.open(QIODevice::ReadOnly)) {
continue;
}
QString name;
QTextStream stream(&file);
stream >> name;
// read wakeup count
QFile countFile(wakeupDir.absoluteFilePath(u"wakeup_count"_s));
int count = 0;
if (countFile.open(QIODevice::ReadOnly)) {
count = countFile.readAll().trimmed().toInt();
}
// if the count after waking up is higher than before waking up,
// then this wakeup source is responsible for the wakeup
if (active) {
m_wakeupCounts.insert(name, count);
} else {
if (m_wakeupCounts.value(name, 0) < count) {
m_lastWakeupSources << wakeupDir.absoluteFilePath(u"device"_s);
}
}
}
if (!active) {
qCDebug(POWERDEVIL) << "Wakeup source of type" << lastWakeupType() << "resumed from sleep, devices:" << m_lastWakeupSources;
}
}
#endif
SuspendController::WakeupSources SuspendController::lastWakeupType()
{
WakeupSources sources = WakeupSource::UnknownSource;
for (const QString &wakeupDevice : m_lastWakeupSources) {
UdevQt::Device device = m_udevClient->deviceBySysfsPath(wakeupDevice);
if (device.subsystem() == u"power_supply"_s) {
sources |= WakeupSource::PowerManagement;
} else if (device.subsystem() == u"rpmsg"_s) {
sources |= WakeupSource::Telephony;
} else if (device.driver().contains(u"alarmtimer"_s) || device.driver().contains(u"rtc"_s)) {
sources |= WakeupSource::Timer;
} else if (device.driver().contains(u"ath"_s) || device.driver().contains(u"iwl"_s)) {
sources |= WakeupSource::Network;
}
}
return sources;
}
QStringList SuspendController::wakeupDevices()
{
return m_lastWakeupSources;
}
#include "moc_suspendcontroller.cpp"
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