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-rw-r--r--toxcore/logger.h86
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1/* logger.h
2 *
3 * Wrapping logger functions in nice macros
4 *
5 * Copyright (C) 2013 Tox project All Rights Reserved.
6 *
7 * This file is part of Tox.
8 *
9 * Tox is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * Tox is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with Tox. If not, see <http://www.gnu.org/licenses/>.
21 *
22 */
23
24
25#ifndef __TOXLOGGER
26#define __TOXLOGGER
27
28// #define LOGGING
29
30#ifdef LOGGING
31#include <string.h>
32
33typedef enum _LoggerLevel
34{
35 INFO,
36 DEBUG,
37 WARNING,
38 ERROR
39} LoggerLevel;
40
41/*
42 * Set 'level' as the lowest printable level
43 */
44int logger_init(const char* file_name, LoggerLevel level);
45const char* logger_stringify_level(LoggerLevel level);
46unsigned logger_get_pid();
47void logger_write (LoggerLevel level, const char* format, ...);
48char* logger_timestr (char* dest);
49
50#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
51#define _SFILE (strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
52#else
53#define _SFILE (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
54#endif
55
56#define WRITE_FORMAT(__LEVEL__, format) char* the_str = calloc(sizeof(char), strlen(format)+ 500); sprintf(the_str, "[%u] [%s] [%s] [%s:%d %s()] %s\n", \
57 logger_get_pid(), logger_stringify_level(__LEVEL__), logger_timestr(__time__), _SFILE, __LINE__, __func__, format)
58
59/* Use these macros */
60
61#define LOGGER_INIT(name, level) logger_init(name, level);
62#define LOGGER_INFO(format, ...) do { char __time__[20]; WRITE_FORMAT(INFO, format); logger_write( INFO, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
63#define LOGGER_DEBUG(format, ...) do { char __time__[20]; WRITE_FORMAT(DEBUG, format); logger_write( DEBUG, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
64#define LOGGER_WARNING(format, ...) do { char __time__[20]; WRITE_FORMAT(WARNING, format); logger_write( WARNING, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
65#define LOGGER_ERROR(format, ...) do { char __time__[20]; WRITE_FORMAT(ERROR, format); logger_write( ERROR, the_str, ##__VA_ARGS__ ); free(the_str); } while (0)
66
67/* To do some checks or similar only when logging use this */
68#define LOGGER_SCOPE(__SCOPE_DO__) do { __SCOPE_DO__ } while(0)
69
70#else
71
72
73#define LOGGER_INIT(name, level)
74#define LOGGER_INFO(format, ...)
75#define LOGGER_DEBUG(format, ...)
76#define LOGGER_WARNING(format, ...)
77#define LOGGER_ERROR(format, ...)
78
79#define LOGGER_SCOPE(__SCOPE_DO__)
80
81#endif /* LOGGING */
82
83
84
85
86#endif /* __TOXLOGGER */ \ No newline at end of file