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Added log rotation functionality.

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This is to prevent log files from ever exceeding a limit of 1MB each. Only the current and one other log file are kept, giving hopefully enough history for any neccessary debugging.
This commit is contained in:
Andrew Morgan 2016-01-20 16:32:24 -08:00
parent 286cea1629
commit 93991368c6
1 changed files with 22 additions and 2 deletions
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24
src/main.cpp
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@ -32,6 +32,7 @@
#include <QCommandLineParser>
#include <QDateTime>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFontDatabase>
#include <QMutexLocker>
@ -127,8 +128,27 @@ int main(int argc, char *argv[])
sodium_init(); // For the auto-updater
#ifdef LOG_TO_FILE
QString logFileDir = Settings::getInstance().getSettingsDirPath();
logFileStream.reset(new QTextStream);
logFileFile.reset(new QFile(Settings::getInstance().getSettingsDirPath()+"qtox.log"));
logFileFile.reset(new QFile(logFileDir + "qtox.log"));
// Trim log file if over 1MB
if (logFileFile->size() > 1000000) {
qDebug() << "Log file over 1MB, rotating...";
QDir dir (logFileDir);
// Check if log.1 already exists, and if so, delete it
if (dir.exists(logFileDir + "qtox.log.1")) {
dir.remove("qtox.log.1");
}
dir.rename("qtox.log", "qtox.log.1");
// Return to original log file path
logFileFile->setFileName(logFileDir + "qtox.log");
}
if (logFileFile->open(QIODevice::Append))
{
logFileStream->setDevice(logFileFile.get());
@ -247,6 +267,6 @@ int main(int argc, char *argv[])
Nexus::destroyInstance();
CameraSource::destroyInstance();
Settings::destroyInstance();
qDebug() << "Clean exit with status"<<errorcode;
qDebug() << "Clean exit with status" << errorcode;
return errorcode;
}