kdelibs/kutils/kpowermanager/kpowermanager_helper.cpp
Ivailo Monev 90c57ada83 kdecore: unregister the helper service and object from KAuthorization destructor
I should (ab)use the object name for more things

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2022-12-12 08:19:15 +02:00

65 lines
2.3 KiB
C++

/* This file is part of the KDE libraries
Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2, as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kpowermanager_helper.h"
#include <QFile>
#include <QDir>
#include <kdebug.h>
KPowerManagerHelper::KPowerManagerHelper(const char* const helper, QObject *parent)
: KAuthorization(helper, parent)
{
}
int KPowerManagerHelper::setgovernor(const QVariantMap &parameters)
{
if (!parameters.contains("governor")) {
return KAuthorization::HelperError;
}
const QByteArray governorbytes = parameters.value("governor").toByteArray();
QDir cpudir("/sys/devices/system/cpu");
foreach (const QFileInfo &cpuinfo, cpudir.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot)) {
QFile cpufile(cpuinfo.filePath() + QLatin1String("/cpufreq/scaling_governor"));
if (!cpufile.exists()) {
continue;
}
if (!cpufile.open(QFile::WriteOnly)) {
kWarning() <<
QString::fromLatin1("Could not open: %1 (%2)")
.arg(cpufile.fileName())
.arg(cpufile.errorString()
);
return KAuthorization::HelperError;
}
if (cpufile.write(governorbytes) != governorbytes.size()) {
kWarning() <<
QString::fromLatin1("Could not write to: %1 (%2)")
.arg(cpufile.fileName())
.arg(cpufile.errorString()
);
return KAuthorization::HelperError;
}
}
return KAuthorization::NoError;
}
K_AUTH_MAIN("org.kde.kpowermanager.helper", KPowerManagerHelper)