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/*
* Copyright (C) 2015 by Multi-Tech Systems
*
* This file is part of libmts.
*
* libmts is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* libmts is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libmts. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*! \file MTS_Logger.h
\brief A logging utility
\date 15JUN11
\author Sean Godinez
A logging utility capable of writing to stdout, syslog, or file
*/
#ifndef MTS_LOGGER_H_
#define MTS_LOGGER_H_
#include <mts/MTS_NonCopyable.h>
#include <mts/MTS_NonConstructable.h>
#include <mts/MTS_Lock.h>
#include <mts/MTS_Stdint.h>
#include <string>
#ifdef DEBUG
#define printFatal(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::FATAL_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::FATAL_LEVEL, MTS::Logger::PrintLevel::FATAL_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printError(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::ERROR_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::ERROR_LEVEL, MTS::Logger::PrintLevel::ERROR_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printWarning(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::WARNING_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::WARNING_LEVEL, MTS::Logger::PrintLevel::WARNING_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printInfo(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::INFO_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::INFO_LEVEL, MTS::Logger::PrintLevel::INFO_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printConfig(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::CONFIG_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::CONFIG_LEVEL, MTS::Logger::PrintLevel::CONFIG_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printDebug(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::DEBUG_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::DEBUG_LEVEL, MTS::Logger::PrintLevel::DEBUG_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#define printTrace(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::TRACE_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::TRACE_LEVEL, MTS::Logger::PrintLevel::TRACE_LABEL, "%s:%s:%d| " format, __FILE__, __func__, __LINE__, ##__VA_ARGS__)
#else
#define printFatal(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::FATAL_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::FATAL_LEVEL, MTS::Logger::PrintLevel::FATAL_LABEL, format, ##__VA_ARGS__)
#define printError(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::ERROR_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::ERROR_LEVEL, MTS::Logger::PrintLevel::ERROR_LABEL, format, ##__VA_ARGS__)
#define printWarning(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::WARNING_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::WARNING_LEVEL, MTS::Logger::PrintLevel::WARNING_LABEL, format, ##__VA_ARGS__)
#define printInfo(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::INFO_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::INFO_LEVEL, MTS::Logger::PrintLevel::INFO_LABEL, format, ##__VA_ARGS__)
#define printConfig(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::CONFIG_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::CONFIG_LEVEL, MTS::Logger::PrintLevel::CONFIG_LABEL, format, ##__VA_ARGS__)
#define printDebug(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::DEBUG_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::DEBUG_LEVEL, MTS::Logger::PrintLevel::DEBUG_LABEL, format, ##__VA_ARGS__)
#define printTrace(format, ...) \
if (MTS::Logger::isPrintable(MTS::Logger::PrintLevel::TRACE_LEVEL)) \
MTS::Logger::printfGeneric(MTS::Logger::PrintLevel::TRACE_LEVEL, MTS::Logger::PrintLevel::TRACE_LABEL, format, ##__VA_ARGS__)
#endif
namespace MTS {
class Logger: private NonCopyable {
public:
class PrintLevel: private NonConstructable {
public:
static const int32_t OFF_LEVEL;
static const int32_t MINIMUM_LEVEL;
static const int32_t FATAL_LEVEL;
static const int32_t ERROR_LEVEL;
static const int32_t WARNING_LEVEL;
static const int32_t INFO_LEVEL;
static const int32_t CONFIG_LEVEL;
static const int32_t DEBUG_LEVEL;
static const int32_t TRACE_LEVEL;
static const int32_t MAXIMUM_LEVEL;
static const char* OFF_LABEL;
static const char* FATAL_LABEL;
static const char* ERROR_LABEL;
static const char* WARNING_LABEL;
static const char* INFO_LABEL;
static const char* CONFIG_LABEL;
static const char* DEBUG_LABEL;
static const char* TRACE_LABEL;
static const char* MAXIMUM_LABEL;
};
enum PrintMode {
NO_PRINTING,
STDOUT_ONLY,
FILE_ONLY,
SYSLOG_ONLY,
STDOUT_AND_FILE,
STDOUT_AND_SYSLOG,
STDERR_ONLY
};
static int getPrintLevel();
static const std::string& getPrintLevelString();
static void setPrintLevel(int32_t level, bool silent = false);
static bool isPrintable(int32_t level);
static void printfFatal(const char* format, ...);
static void printfError(const char* format, ...);
static void printfWarning(const char* format, ...);
static void printfInfo(const char* format, ...);
static void printfConfig(const char* format, ...);
static void printfDebug(const char* format, ...);
static void printfTrace(const char* format, ...);
static void printfGeneric(int level, const char* label, const char* format, ...);
static void printf(int level, const char* format, ...);
static void printf(const char* format, ...);
static bool setup(const PrintMode& mode);
static bool setup(const PrintMode& mode, const std::string& ident, const int& option, const int& facility);
static bool setup(const PrintMode& mode, const std::string& filename);
private:
static volatile int m_iPrintLevel;
static std::string m_sPrintLevel;
static Logger::PrintMode m_eMode;
static Lock m_oPrintLock;
static FILE* m_pFile;
static int m_iLogFacility;
static std::string m_sIdent;
static std::string m_sFileName;
static int32_t syslogPrintLevelConversion(const int32_t& level);
static void printMessage(const int32_t& level, const char* label, const char* format, va_list argptr);
Logger();
};
}
#endif /* MTS_LOG_H_ */
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