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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2025 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "log.h"
#include <SDL.h>
#include <cstdarg>
#include <fstream>
#include <iostream>
#include <sstream>
#include <sys/time.h>
static std::ofstream logFile;
static bool logToStandardOut = true;
static const char *getLogPriorityPrefix(SDL_LogPriority priority)
{
switch (priority) {
case SDL_LOG_PRIORITY_WARN:
return "Warning: ";
case SDL_LOG_PRIORITY_ERROR:
return "Error: ";
case SDL_LOG_PRIORITY_CRITICAL:
return "Critical Error: ";
default:
return "";
}
}
static void logOutputFunction(void *userdata, int category, SDL_LogPriority priority, const char *message)
{
// Get the current system time
timeval tv;
gettimeofday(&tv, nullptr);
// Create timestamp string
std::stringstream timeStr;
timeStr << "["
<< ((((tv.tv_sec / 60) / 60) % 24 < 10) ? "0" : "")
<< (int)(((tv.tv_sec / 60) / 60) % 24)
<< ":"
<< (((tv.tv_sec / 60) % 60 < 10) ? "0" : "")
<< (int)((tv.tv_sec / 60) % 60)
<< ":"
<< ((tv.tv_sec % 60 < 10) ? "0" : "")
<< (int)(tv.tv_sec % 60)
<< "."
<< (((tv.tv_usec / 10000) % 100) < 10 ? "0" : "")
<< (int)((tv.tv_usec / 10000) % 100)
<< "] ";
const char *prefix = getLogPriorityPrefix(priority);
if (logToStandardOut)
{
std::cout << timeStr.str() << prefix << message << std::endl;
}
if (logFile.is_open())
{
logFile << timeStr.str() << prefix << message << std::endl;
}
}
void Log::init()
{
SDL_LogSetOutputFunction(logOutputFunction, nullptr);
}
void Log::setLogFile(const std::string &logFilename)
{
logFile.open(logFilename, std::ios_base::trunc);
if (!logFile.is_open())
{
std::cout << "Warning: error while opening " << logFilename
<< " for writing.\n";
}
}
void Log::setLogToStandardOut(bool value)
{
logToStandardOut = value;
}
#define DEFINE_LOG_FUNCTION(name, priority) \
void Log::name(const char *fmt, ...) \
{ \
va_list ap; \
va_start(ap, fmt); \
SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, priority, fmt, ap); \
va_end(ap); \
}
DEFINE_LOG_FUNCTION(verbose, SDL_LOG_PRIORITY_VERBOSE)
DEFINE_LOG_FUNCTION(debug, SDL_LOG_PRIORITY_DEBUG)
DEFINE_LOG_FUNCTION(info, SDL_LOG_PRIORITY_INFO)
DEFINE_LOG_FUNCTION(warn, SDL_LOG_PRIORITY_WARN)
DEFINE_LOG_FUNCTION(error, SDL_LOG_PRIORITY_ERROR)
#undef DEFINE_LOG_FUNCTION
void Log::vinfo(const char *fmt, va_list ap)
{
SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, fmt, ap);
}
void Log::critical(const std::string &message)
{
SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION, "%s", message.c_str());
if (!logToStandardOut)
{
std::cerr << getLogPriorityPrefix(SDL_LOG_PRIORITY_CRITICAL) << message << std::endl;
}
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", message.c_str(), nullptr);
exit(1);
}
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