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Initially add small and tight logging facility

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Perttu Ahola 2011-10-16 12:45:00 +03:00
parent 414c614893
commit 4846846a2d
3 changed files with 214 additions and 0 deletions
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src/log.h Normal file
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/*
Minetest-c55
Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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 LOG_HEADER
#define LOG_HEADER
#include <string>
/*
Use this for logging everything.
If you need to explicitly print something, use dstream or cout or cerr.
*/
enum LogMessageLevel {
LMT_ERROR, /* Something failed ("invalid map data on disk, block (2,2,1)") */
LMT_ACTION, /* In-game actions ("celeron55 placed block at (12,4,-5)") */
LMT_INFO, /* More deep info ("saving map on disk (only_modified=true)") */
LMT_VERBOSE, /* Flood-style ("loaded block (2,2,2) from disk") */
LMT_NUM_VALUES,
};
class ILogOutput
{
public:
/* line: Full line with timestamp, level and thread */
virtual void printLog(const std::string &line){};
/* line: Only actual printed text */
virtual void printLog(enum LogMessageLevel lev, const std::string &line){};
};
void log_add_output(ILogOutput *out, enum LogMessageLevel lev);
void log_add_output_maxlev(ILogOutput *out, enum LogMessageLevel lev);
void log_add_output_all_levs(ILogOutput *out);
void log_register_thread(const std::string &name);
void log_printline(enum LogMessageLevel lev, const std::string &text);
#define LOGLINEF(lev, ...)\
{\
char buf[10000];\
snprintf(buf, 10000, __VA_ARGS__);\
log_printline(lev, buf);\
}
extern std::ostream errorstream;
extern std::ostream actionstream;
extern std::ostream infostream;
extern std::ostream verbosestream;
#endif