2 Copyright (C) 2016, 2017, 2018 "IoT.bzh"
4 author: José Bollo <jose.bollo@iot.bzh>
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
24 verbosity tune the count of reported messages
26 verbosity value : reported messages
27 ----------------+------------------------
28 lesser than 0 : no message at all
31 2 : ERROR, WARNING, NOTICE
32 3 : ERROR, WARNING, NOTICE, INFO
33 greater than 3 : ERROR, WARNING, NOTICE, INFO, DEBUG
39 Verbosity_Level_Error = 0,
40 Verbosity_Level_Warning = 1,
41 Verbosity_Level_Notice = 2,
42 Verbosity_Level_Info = 3,
43 Verbosity_Level_Debug = 4
47 extern void verbose_set_name(const char *name, int authority);
50 Log level is defined by syslog standard:
51 KERN_EMERG 0 System is unusable
52 KERN_ALERT 1 Action must be taken immediately
53 KERN_CRIT 2 Critical conditions
54 KERN_ERR 3 Error conditions
55 KERN_WARNING 4 Warning conditions
56 KERN_NOTICE 5 Normal but significant condition
57 KERN_INFO 6 Informational
58 KERN_DEBUG 7 Debug-level messages
63 Log_Level_Emergency = 0,
65 Log_Level_Critical = 2,
67 Log_Level_Warning = 4,
75 extern void verbose(int loglevel, const char *file, int line, const char *function, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
76 extern void vverbose(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
78 #if defined(VERBOSE_NO_DATA)
79 # define __VERBOSE__(lvl,...) do{if((lvl)<=Log_Level_Error) verbose(lvl, __FILE__, __LINE__, NULL, __VA_ARGS__)\
80 else verbose(lvl, __FILE__, __LINE__, NULL, NULL);}while(0)
81 #elif defined(VERBOSE_NO_DETAILS)
82 # define __VERBOSE__(lvl,...) verbose(lvl, NULL, 0, NULL, __VA_ARGS__)
84 # define __VERBOSE__(lvl,...) verbose(lvl, __FILE__, __LINE__, __func__, __VA_ARGS__)
87 #define _LOGMASK_(lvl) ((lvl) < 0 ? -1 : (1 << (lvl)))
88 #define _WANTLOG_(lvl) (logmask & _LOGMASK_(lvl))
89 #define _VERBOSE_(lvl,...) do{ if (_WANTLOG_(lvl)) __VERBOSE__((lvl), __VA_ARGS__); } while(0)
91 #define EMERGENCY(...) _VERBOSE_(Log_Level_Emergency, __VA_ARGS__)
92 #define ALERT(...) _VERBOSE_(Log_Level_Alert, __VA_ARGS__)
93 #define CRITICAL(...) _VERBOSE_(Log_Level_Critical, __VA_ARGS__)
94 #define ERROR(...) _VERBOSE_(Log_Level_Error, __VA_ARGS__)
95 #define WARNING(...) _VERBOSE_(Log_Level_Warning, __VA_ARGS__)
96 #define NOTICE(...) _VERBOSE_(Log_Level_Notice, __VA_ARGS__)
97 #define INFO(...) _VERBOSE_(Log_Level_Info, __VA_ARGS__)
98 #define DEBUG(...) _VERBOSE_(Log_Level_Debug, __VA_ARGS__)
100 #define LOGUSER(app) verbose_set_name(app,0)
101 #define LOGAUTH(app) verbose_set_name(app,1)
103 extern void (*verbose_observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
105 static inline int verbose_wants(int lvl) { return _WANTLOG_(lvl); }
107 extern void verbose_dec();
108 extern void verbose_inc();
109 extern void verbose_clear();
110 extern void verbose_add(int level);
111 extern void verbose_sub(int level);
113 extern int verbose_level_of_name(const char *name);
114 extern const char *verbose_name_of_level(int level);
116 #define _DEVERBOSITY_(vlvl) ((vlvl) + Log_Level_Error)
117 #define _VERBOSITY_(llvl) ((llvl) - Log_Level_Error)
118 extern int verbosity_get();
119 extern void verbosity_set(int verbo);
120 extern int verbosity_from_mask(int mask);
121 extern int verbosity_to_mask(int verbo);