nymea-remoteproxy/libnymea-remoteproxy/logengine.cpp

137 lines
4.3 KiB
C++

// SPDX-License-Identifier: LGPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* nymea-remoteproxy
* Tunnel proxy server for the nymea remote access
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-remoteproxy.
*
* nymea-remoteproxy is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* nymea-remoteproxy 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nymea-remoteproxy. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "logengine.h"
#include "loggingcategories.h"
#include <QDateTime>
#include <QtGlobal>
namespace remoteproxy {
LogEngine::LogEngine(QObject *parent) : QObject(parent)
{
m_currentDay = QDateTime::currentDateTimeUtc().date().day();
m_tunnelsFileName = "/var/log/nymea-remoteproxy-tunnels";
m_statisticsFileName = "/var/log/nymea-remoteproxy-statistics";
}
LogEngine::~LogEngine()
{
disable();
}
void LogEngine::logStatistics(int tunnelCount, int connectionCount, int troughput)
{
if (!m_statisticsFile.isOpen())
return;
// <timestamp> <current tunnel count> <current connection count> <current troughput B/s>
QStringList logString;
logString << createTimestamp();
logString << QString::number(tunnelCount);
logString << QString::number(connectionCount);
logString << QString::number(troughput);
QTextStream textStream(&m_statisticsFile);
textStream << logString.join(" ") << "\n";
// Check if we have to rotate the logfile
if (m_currentDay != QDateTime::currentDateTimeUtc().date().day()) {
// Day changed
m_currentDay = QDateTime::currentDateTimeUtc().date().day();
rotateLogs();
}
}
void LogEngine::rotateLogs()
{
qCDebug(dcApplication()) << "Rotate log files.";
// Close the log files
if (m_tunnelsFile.isOpen())
m_tunnelsFile.close();
if (m_statisticsFile.isOpen())
m_statisticsFile.close();
// Rename the current files
QString postfix = "-" + QDateTime::currentDateTimeUtc().toString("yyyyMMddhhmmss") + ".log";
m_tunnelsFile.rename(m_tunnelsFileName + postfix);
qCDebug(dcApplication()) << "Rotate logfile" << m_tunnelsFile.fileName();
m_statisticsFile.rename(m_statisticsFileName + postfix);
qCDebug(dcApplication()) << "Rotate logfile" << m_statisticsFile.fileName();
// Reopen the file with the default log file name
m_statisticsFile.setFileName(m_statisticsFileName + ".log");
if (!m_statisticsFile.open(QIODevice::WriteOnly | QIODevice::Append)) {
qCDebug(dcApplication()) << "Could not open logfile" << m_statisticsFile.fileName();
}
m_tunnelsFile.setFileName(m_tunnelsFileName + ".log");
if (!m_tunnelsFile.open(QIODevice::WriteOnly | QIODevice::Append)) {
qCDebug(dcApplication()) << "Could not open logfile" << m_tunnelsFile.fileName();
}
}
QString LogEngine::createTimestamp()
{
return QString::number(QDateTime::currentDateTimeUtc().toSecsSinceEpoch());
}
void LogEngine::enable()
{
qCDebug(dcApplication()) << "Enable log engine";
m_enabled = true;
m_statisticsFile.setFileName(m_statisticsFileName + ".log");
if (!m_statisticsFile.open(QIODevice::WriteOnly | QIODevice::Append)) {
qCDebug(dcApplication()) << "Could not open logfile" << m_statisticsFile.fileName();
}
m_tunnelsFile.setFileName(m_tunnelsFileName + ".log");
if (!m_tunnelsFile.open(QIODevice::WriteOnly | QIODevice::Append)) {
qCDebug(dcApplication()) << "Could not open logfile" << m_tunnelsFile.fileName();
}
}
void LogEngine::disable()
{
qCDebug(dcApplication()) << "Disable log engine";
m_enabled = false;
if (m_tunnelsFile.isOpen())
m_tunnelsFile.close();
if (m_statisticsFile.isOpen())
m_statisticsFile.close();
}
}