60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
#include "logger.h"
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#include "settings.h"
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#include <QFileInfo>
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#include <sys/stat.h>
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QString Logging::fileName = "../logs/EventConfigurator.log";
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qint64 Logging::maxFileSize = 1024 *1024 * 10;
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int Logging::maxBackupFiles = 5;
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QString Logging::messagePattern = "[%{time yyyyMMdd h:mm:ss.zzz ttt} %{if-debug}D%{endif}%{if-info}I%{endif}%{if-warning}W%{endif}%{if-critical}C%{endif}%{if-fatal}F%{endif}] %{file}:%{line} - %{message}";
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QtMessageHandler Logging::originalHandler = nullptr;
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void Logging::setupLogging()
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{
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fileName = Settings::instance().value("Log", "logFile").toString();
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messagePattern = Settings::instance().value("Log", "pattern").toString();
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maxFileSize = Settings::instance().value("Log", "maxSize").toLongLong();
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maxBackupFiles = Settings::instance().value("Log", "backups").toInt();
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qSetMessagePattern(messagePattern);
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originalHandler = qInstallMessageHandler(Logging::logMessageHandler);
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}
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void Logging::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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static FILE *f = fopen(Logging::fileName.toLocal8Bit().constData(), "a");
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if (f) {
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fprintf(f, "%s\n", qPrintable(message));
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fflush(f);
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}
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else {
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f = fopen(Logging::fileName.toLocal8Bit().constData(), "a");
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if (f) {
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fprintf(f, "%s\n", qPrintable(message));
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fflush(f);
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}
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}
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struct stat st;
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stat(Logging::fileName.toLocal8Bit().constData(), &st);
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auto fileSize = st.st_size;
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if(fileSize > Logging::maxFileSize) {
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if (f) {
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fclose(f);
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f = nullptr;
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}
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rollLogFiles();
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}
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if (originalHandler)
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(*originalHandler)(type, context, msg);
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}
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void Logging::rollLogFiles()
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{
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QFile::remove(QString("%1.%2").arg(Logging::fileName).arg(Logging::maxBackupFiles));
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for(int i = Logging::maxBackupFiles - 1; i > 0; i--)
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QFile::rename(QString("%1.%2").arg(Logging::fileName).arg(i), QString("%1.%2").arg(Logging::fileName).arg(i + 1));
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QFile::rename(Logging::fileName, QString("%1.1").arg(Logging::fileName));
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}
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