amnezia-client/client/loghandler.h
2021-10-23 04:26:47 -07:00

102 lines
2.7 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef LOGHANDLER_H
#define LOGHANDLER_H
#include "loglevel.h"
#include <QDateTime>
#include <QObject>
#include <QVector>
class QFile;
class QMutexLocker;
class QTextStream;
class LogHandler final : public QObject {
Q_OBJECT
public:
struct Log {
Log() = default;
Log(LogLevel logLevel, const QStringList& modules, const QString& className,
const QString& message)
: m_logLevel(logLevel),
m_dateTime(QDateTime::currentDateTime()),
m_modules(modules),
m_className(className),
m_message(message),
m_fromQT(false) {}
Log(LogLevel logLevel, const QString& file, const QString& function,
uint32_t line, const QString& message)
: m_logLevel(logLevel),
m_dateTime(QDateTime::currentDateTime()),
m_file(file),
m_function(function),
m_message(message),
m_line(line),
m_fromQT(true) {}
LogLevel m_logLevel = LogLevel::Debug;
QDateTime m_dateTime;
QString m_file;
QString m_function;
QStringList m_modules;
QString m_className;
QString m_message;
int32_t m_line = -1;
bool m_fromQT = false;
};
static LogHandler* instance();
static void messageQTHandler(QtMsgType type,
const QMessageLogContext& context,
const QString& message);
static void messageHandler(LogLevel logLevel, const QStringList& modules,
const QString& className, const QString& message);
static void prettyOutput(QTextStream& out, const LogHandler::Log& log);
static void writeLogs(QTextStream& out);
static void cleanupLogs();
static void setLocation(const QString& path);
static void enableDebug();
signals:
void logEntryAdded(const QByteArray& log);
private:
LogHandler(LogLevel m_minLogLevel, const QStringList& modules,
const QMutexLocker& proofOfLock);
static LogHandler* maybeCreate(const QMutexLocker& proofOfLock);
void addLog(const Log& log, const QMutexLocker& proofOfLock);
bool matchLogLevel(const Log& log, const QMutexLocker& proofOfLock) const;
bool matchModule(const Log& log, const QMutexLocker& proofOfLock) const;
void openLogFile(const QMutexLocker& proofOfLock);
void closeLogFile(const QMutexLocker& proofOfLock);
static void cleanupLogFile(const QMutexLocker& proofOfLock);
const LogLevel m_minLogLevel;
const QStringList m_modules;
bool m_showDebug = false;
QFile* m_logFile = nullptr;
QTextStream* m_output = nullptr;
};
#endif // LOGHANDLER_H