awesome-widgets/sources/extsysmonsources/processessource.cpp
2024-03-30 22:34:31 +02:00

80 lines
2.9 KiB
C++

/***************************************************************************
* This file is part of awesome-widgets *
* *
* awesome-widgets is free software: you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* awesome-widgets 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with awesome-widgets. If not, see http://www.gnu.org/licenses/ *
***************************************************************************/
#include "processessource.h"
#include <QDir>
#include "awdebug.h"
ProcessesSource::ProcessesSource(QObject *_parent)
: AbstractExtSysMonSource(_parent)
{
qCDebug(LOG_ESS) << __PRETTY_FUNCTION__;
}
QVariant ProcessesSource::data(const QString &_source)
{
qCDebug(LOG_ESS) << "Source" << _source;
if (!m_values.contains(_source))
run(); // syncronous update of all values
return m_values.take(_source);
}
void ProcessesSource::run()
{
auto allDirectories = QDir("/proc").entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
auto directories = allDirectories.filter(QRegularExpression("(\\d+)"));
QStringList running;
for (auto &dir : directories) {
QFile statusFile(QString("/proc/%1/status").arg(dir));
if (!statusFile.open(QIODevice::ReadOnly | QIODevice::Text))
continue;
QFile cmdFile(QString("/proc/%1/cmdline").arg(dir));
if (!cmdFile.open(QIODevice::ReadOnly | QIODevice::Text))
continue;
auto output = statusFile.readAll();
if (output.contains("running"))
running.append(cmdFile.readAll());
statusFile.close();
cmdFile.close();
}
m_values["running"] = running.count();
m_values["list"] = running;
m_values["count"] = directories.count();
}
QHash<QString, KSysGuard::SensorInfo *> ProcessesSource::sources() const
{
auto result = QHash<QString, KSysGuard::SensorInfo *>();
result.insert("running", makeSensorInfo("Count of running processes", QVariant::Int));
result.insert("list", makeSensorInfo("All running processes list", QVariant::StringList));
result.insert("count", makeSensorInfo("Total count of processes", QVariant::Int));
return result;
}