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132 lines
3.7 KiB
132 lines
3.7 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 <ctime>
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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 <cassert>
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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 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>
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static void formatLogMessage(std::string& output, LOG_SEVERITY severity, const std::string & f, Args... args)
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{
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assert(severity != LOG_NONE);
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std::string severityStr(" ");
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switch (severity)
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{
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case LOG_DEBUG:
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severityStr.assign("DEBUG ");
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break;
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case LOG_ERROR:
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severityStr.assign("ERROR ");
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break;
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case LOG_FATAL:
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severityStr.assign("FATAL ");
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break;
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case LOG_INFO :
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severityStr.assign("INFO ");
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break;
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case LOG_WARNING:
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severityStr.assign("WARNING");
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break;
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case LOG_TRACE:
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severityStr.assign("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 timestamp;
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getTimeStamp(timestamp);
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std::string f2("[%s] [%s] ");
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f2.append(f);
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CStringUtils::string_format_in_place(output, f2, timestamp.c_str(), severityStr.c_str(), args...);
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boost::trim_if(output, [](char c){ return c == '\n' || c == '\r' || c == ' ' || c == '\t'; });
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output.push_back('\n');
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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 logTrace(const std::string & f, Args... args)
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{
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log(LOG_TRACE, f, args...);
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}
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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(LOG_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(LOG_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(LOG_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(LOG_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(LOG_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(severity >= target->getLevel()) {
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if(msg.empty())
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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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