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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtApplicationManager module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#include <QMutex>
#include <QElapsedTimer>
#include <QObject>
#include <QtAppManCommon/global.h>
#if defined(Q_OS_LINUX)
# include <QScopedPointer>
# include <QtAppManMonitor/sysfsreader.h>
#endif
QT_BEGIN_NAMESPACE_AM
class ProcessReader : public QObject {
Q_OBJECT
public:
QMutex mutex;
qreal cpuLoad;
struct Memory {
quint32 totalVm = 0;
quint32 totalRss = 0;
quint32 totalPss = 0;
quint32 textVm = 0;
quint32 textRss = 0;
quint32 textPss = 0;
quint32 heapVm = 0;
quint32 heapRss = 0;
quint32 heapPss = 0;
} memory;
#if defined(Q_OS_LINUX)
// solely for testing purposes
bool testReadSmaps(const QByteArray &smapsFile);
#endif
public slots:
void update();
void setProcessId(qint64 pid);
void enableMemoryReporting(bool enabled);
signals:
void updated();
private:
void openCpuLoad();
qreal readCpuLoad();
bool readMemory(Memory &mem);
#if defined(Q_OS_LINUX)
bool readSmaps(const QByteArray &smapsFile, Memory &mem);
QScopedPointer<SysFsReader> m_statReader;
QElapsedTimer m_elapsedTime;
quint64 m_lastCpuUsage = 0.0;
#endif
qint64 m_pid = 0;
bool m_memoryReportingEnabled = true;
};
QT_END_NAMESPACE_AM
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