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90c57ada83
I should (ab)use the object name for more things Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kpowermanager_helper.h"
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#include <QFile>
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#include <QDir>
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#include <kdebug.h>
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KPowerManagerHelper::KPowerManagerHelper(const char* const helper, QObject *parent)
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: KAuthorization(helper, parent)
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{
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}
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int KPowerManagerHelper::setgovernor(const QVariantMap ¶meters)
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{
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if (!parameters.contains("governor")) {
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return KAuthorization::HelperError;
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}
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const QByteArray governorbytes = parameters.value("governor").toByteArray();
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QDir cpudir("/sys/devices/system/cpu");
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foreach (const QFileInfo &cpuinfo, cpudir.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot)) {
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QFile cpufile(cpuinfo.filePath() + QLatin1String("/cpufreq/scaling_governor"));
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if (!cpufile.exists()) {
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continue;
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}
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if (!cpufile.open(QFile::WriteOnly)) {
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kWarning() <<
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QString::fromLatin1("Could not open: %1 (%2)")
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.arg(cpufile.fileName())
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.arg(cpufile.errorString()
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);
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return KAuthorization::HelperError;
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}
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if (cpufile.write(governorbytes) != governorbytes.size()) {
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kWarning() <<
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QString::fromLatin1("Could not write to: %1 (%2)")
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.arg(cpufile.fileName())
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.arg(cpufile.errorString()
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);
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return KAuthorization::HelperError;
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}
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}
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return KAuthorization::NoError;
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}
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K_AUTH_MAIN("org.kde.kpowermanager.helper", KPowerManagerHelper)
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