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121 lines
3.5 KiB
121 lines
3.5 KiB
/*
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* Copyright (c) 2021 by Geoffrey Merck F4FXL / KC3FRA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include <boost/algorithm/string.hpp>
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#include <mutex>
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#include <sstream>
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#include "StringUtils.h"
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#include "LogTarget.h"
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class CLog
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{
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private:
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static LOG_SEVERITY m_level;
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static std::vector<CLogTarget *> m_targets;
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static bool m_addedTargets;
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static std::recursive_mutex m_targetsMutex;
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static void getTimeStamp(std::string & s);
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template<typename... Args> static void formatLogMessage(std::string& output, LOG_SEVERITY severity, const std::string & f, Args... args)
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{
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std::string severityStr;
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switch (severity)
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{
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case LS_DEBUG:
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severityStr = "DEBUG ";
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break;
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case LS_ERROR:
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severityStr = "ERROR ";
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break;
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case LS_FATAL:
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severityStr = "FATAL ";
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break;
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case LS_INFO :
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severityStr = "INFO ";
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break;
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case LS_WARNING:
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severityStr = "WARNING";
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break;
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case LS_TRACE:
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severityStr = "TRACE ";
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break;
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default:
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break;
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}
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std::string message = CStringUtils::string_format(f, args...);
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boost::trim(message);
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std::string timeUtc;
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getTimeStamp(timeUtc);
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std::stringstream s;
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s << "[" << timeUtc << "] [" << severityStr << "] " << message << std::endl;
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output = s.str();
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}
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public:
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static void addTarget(CLogTarget * target);
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static void finalise();
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template<typename... Args> static void logDebug(const std::string & f, Args... args)
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{
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log(LS_DEBUG, f, args...);
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}
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template<typename... Args> static void logInfo(const std::string & f, Args... args)
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{
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log(LS_INFO, f, args...);
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}
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template<typename... Args> static void logWarning(const std::string & f, Args... args)
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{
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log(LS_WARNING, f, args...);
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}
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template<typename... Args> static void logError(const std::string & f, Args... args)
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{
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log(LS_ERROR, f, args...);
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}
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template<typename... Args> static void logFatal(const std::string & f, Args... args)
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{
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log(LS_FATAL, f, args...);
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}
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template<typename... Args> static void log(LOG_SEVERITY severity, const std::string & f, Args... args)
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{
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std::lock_guard lockTarget(m_targetsMutex);
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std::string msg;
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for(auto target : m_targets) {
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if(target->getLevel() >= CLog::m_level) {
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if(msg.empty()) formatLogMessage(msg, severity, f, args...);
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target->printLog(msg);
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}
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}
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}
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};
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