nymea-remoteproxy/monitor/utils.h

72 lines
2.5 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2022, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by copyright law, and
* remains the property of nymea GmbH. All rights, including reproduction, publication,
* editing and translation, are reserved. The use of this project is subject to the terms of a
* license agreement to be concluded with nymea GmbH in accordance with the terms
* of use of nymea GmbH, available under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under
* the terms of the GNU General Public License as published by the Free Software Foundation,
* GNU version 3. this project 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 this project.
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* For any further details and any questions please contact us under contact@nymea.io
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#ifndef UTILS_H
#define UTILS_H
#include <QTextStream>
#include <QString>
#include <QDateTime>
inline QTextStream& qStdOut() {
static QTextStream ts(stdout);
return ts;
}
class Utils {
public:
Utils() = default;
inline static QString getDurationString(uint timestamp) {
uint duration = QDateTime::currentDateTimeUtc().toTime_t() - timestamp;
int seconds = static_cast<int>(duration % 60);
duration /= 60;
int minutes = static_cast<int>(duration % 60);
duration /= 60;
int hours = static_cast<int>(duration % 24);
return QString::asprintf("%02d:%02d:%02d", hours, minutes, seconds);
}
inline static QString humanReadableTraffic(int bytes) {
double dataCount = bytes;
QStringList list;
list << "KB" << "MB" << "GB" << "TB";
QStringListIterator i(list);
QString unit("B");
while(dataCount >= 1024.0 && i.hasNext()) {
unit = i.next();
dataCount /= 1024.0;
}
return QString().setNum(dataCount,'f',2) + " " + unit;
}
};
#endif // UTILS_H