74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
#include "Logger.h"
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#include <QDir>
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#include <QFile>
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#include <QFileInfo>
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#include <QTextStream>
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namespace
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{
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constexpr int logFileSize = 5 * 1024 * 1024;
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const int logFileCount = 10;
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QFile logFile;
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QString logFileName()
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{
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QList<QFileInfo> fileInfos;
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for (int i = 0; i < logFileCount; ++i)
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{
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const auto fileName = QString("logs/log_%1.txt").arg(i);
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const QFileInfo info(fileName);
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if (!info.exists())
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{
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return fileName;
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}
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fileInfos.append(info);
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}
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QFile::remove(fileInfos.first().filePath());
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for (int i = 0; i < logFileCount - 1; ++i)
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{
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QFile::rename(fileInfos[i + 1].filePath(), fileInfos[i].filePath());
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}
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return fileInfos.last().filePath();
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}
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void checkLogFile()
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{
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if (!logFile.isOpen())
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{
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if (!QFile::exists("logs"))
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{
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QDir().mkdir("logs");
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}
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logFile.setFileName(logFileName());
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logFile.open(QIODevice::WriteOnly);
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}
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else if (logFile.size() > logFileSize)
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{
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logFile.close();
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logFile.setFileName(logFileName());
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logFile.open(QIODevice::WriteOnly);
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}
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}
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}
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QString logMessagePattern()
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{
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return "[%{time yyyy-MM-dd hh:mm:ss.zzz}] %{message}";
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}
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void logMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString& msg)
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{
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QString message = qFormatLogMessage(type, context, msg);
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checkLogFile();
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logFile.write(message.toUtf8() + "\n");
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QTextStream out(stdout);
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out << message << Qt::endl;
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}
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