furnace/src/ta-log.h

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _TA_LOG_H
#define _TA_LOG_H
#include <stdio.h>
#include <stdarg.h>
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#include <time.h>
#include <atomic>
#include <string>
#include <fmt/printf.h>
#define LOGLEVEL_ERROR 0
#define LOGLEVEL_WARN 1
#define LOGLEVEL_INFO 2
#define LOGLEVEL_DEBUG 3
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#define LOGLEVEL_TRACE 4
// this has to be a power of 2
#define TA_LOG_SIZE 2048
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extern int logLevel;
extern std::atomic<unsigned short> logPosition;
struct LogEntry {
int loglevel;
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struct tm time;
std::string text;
bool ready;
LogEntry():
loglevel(0),
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ready(false) {
memset(&time,0,sizeof(struct tm));
}
};
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int writeLog(int level, const char* msg, fmt::printf_args args);
extern LogEntry logEntries[TA_LOG_SIZE];
template<typename... T> int logV(const char* msg, const T&... args) {
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return writeLog(LOGLEVEL_TRACE,msg,fmt::make_printf_args(args...));
}
template<typename... T> int logD(const char* msg, const T&... args) {
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return writeLog(LOGLEVEL_DEBUG,msg,fmt::make_printf_args(args...));
}
template<typename... T> int logI(const char* msg, const T&... args) {
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return writeLog(LOGLEVEL_INFO,msg,fmt::make_printf_args(args...));
}
template<typename... T> int logW(const char* msg, const T&... args) {
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return writeLog(LOGLEVEL_WARN,msg,fmt::make_printf_args(args...));
}
template<typename... T> int logE(const char* msg, const T&... args) {
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return writeLog(LOGLEVEL_ERROR,msg,fmt::make_printf_args(args...));
}
void initLog();
#endif