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/*
* Logger.h
*
* Created on: 17 Sep 2017
* Author: David
*/
#ifndef SRC_LOGGER_H_
#define SRC_LOGGER_H_
#include <RepRapFirmware.h>
#if HAS_MASS_STORAGE
#include <ctime>
#include <Storage/FileData.h>
class OutputBuffer;
class Logger
{
public:
Logger(LogLevel logLvl) noexcept;
void Start(time_t time, const StringRef& file) noexcept;
void Stop(time_t time) noexcept;
void LogMessage(time_t time, const char *message, MessageType type) noexcept;
void LogMessage(time_t time, OutputBuffer *buf, MessageType type) noexcept;
void Flush(bool forced) noexcept;
bool IsActive() const noexcept { return logFile.IsLive(); }
const char *GetFileName() const noexcept { return (IsActive()) ? logFileName.c_str() : nullptr; }
LogLevel GetLogLevel() const noexcept { return logLevel; }
void SetLogLevel(LogLevel newLogLevel) noexcept;
#if 0 // Currently not needed but might be useful in the future
bool IsLoggingEnabledFor(const MessageType mt) const noexcept;
bool IsWarnEnabled() const noexcept { return logLevel >= LogLevel::warn; }
bool IsInfoEnabled() const noexcept { return logLevel >= LogLevel::info; }
bool IsDebugEnabled() const noexcept { return logLevel >= LogLevel::debug; }
#endif
private:
NamedEnum(MessageLogLevel, uint8_t, debug, info, warn, off);
MessageLogLevel GetMessageLogLevel(MessageType mt) const noexcept { return (MessageLogLevel) ((mt & MessageType::LogOff)>>30); }
static const uint8_t LogEnabledThreshold = 3;
bool WriteDateTimeAndLogLevelPrefix(time_t time, MessageLogLevel messageLogLevel) noexcept;
void InternalLogMessage(time_t time, const char *message, const MessageLogLevel messageLogLevel) noexcept;
bool IsLoggingEnabledFor(const MessageLogLevel mll) const noexcept { return (mll < MessageLogLevel::off) && (mll.ToBaseType() + logLevel.ToBaseType() >= LogEnabledThreshold); }
void LogFirmwareInfo(time_t time) noexcept;
bool IsEmptyMessage(const char * message) const noexcept { return message[0] == '\0' || (message[0] == '\n' && message[1] == '\0'); }
String<MaxFilenameLength> logFileName;
FileData logFile;
uint32_t lastFlushTime;
FilePosition lastFlushFileSize;
bool dirty;
bool inLogger;
LogLevel logLevel;
};
#endif
#endif /* SRC_LOGGER_H_ */
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