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Make logger thread safe (#885)

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This commit is contained in:
Murat Seker
2020-07-19 15:37:47 +02:00
committed by GitHub
parent 45303e1b64
commit 4880e31562
10 changed files with 276 additions and 193 deletions
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83
include/utils/Logger.h
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@@ -3,29 +3,33 @@
// QT includes
#include <QObject>
#include <QString>
#include <QMap>
#include <QAtomicInteger>
#include <QList>
#include <QMutex>
// stl includes
#include <stdio.h>
#include <stdarg.h>
#include <map>
#include <QVector>
#ifdef _WIN32
#include <stdexcept>
#endif
#include <utils/global_defines.h>
#define LOG_MESSAGE(severity, logger, ...) (logger)->Message(severity, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
// standard log messages
#define Debug(logger, ...) (logger)->Message(Logger::DEBUG , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define Info(logger, ...) (logger)->Message(Logger::INFO , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define Warning(logger, ...) (logger)->Message(Logger::WARNING, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define Error(logger, ...) (logger)->Message(Logger::ERRORR , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define Debug(logger, ...) LOG_MESSAGE(Logger::DEBUG , logger, __VA_ARGS__)
#define Info(logger, ...) LOG_MESSAGE(Logger::INFO , logger, __VA_ARGS__)
#define Warning(logger, ...) LOG_MESSAGE(Logger::WARNING, logger, __VA_ARGS__)
#define Error(logger, ...) LOG_MESSAGE(Logger::ERRORR , logger, __VA_ARGS__)
// conditional log messages
#define DebugIf(condition, logger, ...) if (condition) (logger)->Message(Logger::DEBUG , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define InfoIf(condition, logger, ...) if (condition) (logger)->Message(Logger::INFO , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define WarningIf(condition, logger, ...) if (condition) (logger)->Message(Logger::WARNING , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define ErrorIf(condition, logger, ...) if (condition) (logger)->Message(Logger::ERRORR , __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#define DebugIf(condition, logger, ...) if (condition) Debug(logger, __VA_ARGS__)
#define InfoIf(condition, logger, ...) if (condition) Info(logger, __VA_ARGS__)
#define WarningIf(condition, logger, ...) if (condition) Warning(logger, __VA_ARGS__)
#define ErrorIf(condition, logger, ...) if (condition) Error(logger, __VA_ARGS__)
// ================================================================
@@ -35,62 +39,68 @@ class Logger : public QObject
public:
enum LogLevel {
UNSET,
DEBUG,
INFO,
WARNING,
ERRORR,
OFF
UNSET = 0,
DEBUG = 1,
INFO = 2,
WARNING = 3,
ERRORR = 4,
OFF = 5
};
typedef struct
struct T_LOG_MESSAGE
{
QString appName;
QString loggerName;
QString function;
unsigned int line;
QString fileName;
time_t utime;
uint64_t utime;
QString message;
LogLevel level;
QString levelString;
} T_LOG_MESSAGE;
};
static Logger* getInstance(QString name="", LogLevel minLevel=Logger::INFO);
static void deleteInstance(QString name="");
static void setLogLevel(LogLevel level, QString name="");
static LogLevel getLogLevel(QString name="");
static Logger* getInstance(const QString & name = "", LogLevel minLevel=Logger::INFO);
static void deleteInstance(const QString & name = "");
static void setLogLevel(LogLevel level, const QString & name = "");
static LogLevel getLogLevel(const QString & name = "");
void Message(LogLevel level, const char* sourceFile, const char* func, unsigned int line, const char* fmt, ...);
void setMinLevel(LogLevel level) { _minLevel = level; }
LogLevel getMinLevel() { return _minLevel; }
void setMinLevel(LogLevel level) { _minLevel = static_cast<int>(level); }
LogLevel getMinLevel() { return static_cast<LogLevel>(int(_minLevel)); }
QString getName() const { return _name; }
QString getAppName() const { return _appname; }
signals:
void newLogMessage(Logger::T_LOG_MESSAGE);
protected:
Logger( QString name="", LogLevel minLevel=INFO);
Logger(const QString & name="", LogLevel minLevel = INFO);
~Logger();
private:
static std::map<QString,Logger*> *LoggerMap;
static LogLevel GLOBAL_MIN_LOG_LEVEL;
void write(const Logger::T_LOG_MESSAGE & message) const;
QString _name;
QString _appname;
LogLevel _minLevel;
bool _syslogEnabled;
unsigned _loggerId;
static QMutex MapLock;
static QMap<QString,Logger*> LoggerMap;
static QAtomicInteger<int> GLOBAL_MIN_LOG_LEVEL;
const QString _name;
const QString _appname;
const bool _syslogEnabled;
const unsigned _loggerId;
/* Only non-const member, hence the atomic */
QAtomicInteger<int> _minLevel;
};
class LoggerManager : public QObject
{
Q_OBJECT
public:
static LoggerManager* getInstance();
QVector<Logger::T_LOG_MESSAGE>* getLogMessageBuffer() { return &_logMessageBuffer; }
const QList<Logger::T_LOG_MESSAGE>* getLogMessageBuffer() const { return &_logMessageBuffer; }
public slots:
void handleNewLogMessage(const Logger::T_LOG_MESSAGE&);
@@ -101,8 +111,7 @@ signals:
protected:
LoggerManager();
static LoggerManager* _instance;
QVector<Logger::T_LOG_MESSAGE> _logMessageBuffer;
QList<Logger::T_LOG_MESSAGE> _logMessageBuffer;
const int _loggerMaxMsgBufferSize;
};