Update date of copyright notices

[src/app-framework-binder.git] / src / verbose.h

diff --git a/src/verbose.h b/src/verbose.h
index 7e10d25..5cbe2aa 100644 (file)
--- a/src/verbose.h
+++ b/src/verbose.h
@@ -1,5 +1,5 @@
 /*
- Copyright (C) 2016 "IoT.bzh"
+ Copyright (C) 2016, 2017, 2018 "IoT.bzh"
 
  author: José Bollo <jose.bollo@iot.bzh>
 
@@ -20,17 +20,77 @@
 
 #include <stdarg.h>
 
+/*
+  verbosity tune the count of reported messages
+
+   verbosity value : reported messages
+   ----------------+------------------------
+    lesser than 0  : no message at all
+         0         : ERROR
+         1         : ERROR, WARNING
+         2         : ERROR, WARNING, NOTICE
+         3         : ERROR, WARNING, NOTICE, INFO
+    greater than 3 : ERROR, WARNING, NOTICE, INFO, DEBUG
+
+*/
 extern int verbosity;
 
+enum verbosity_levels
+{
+       Verbosity_Level_Error = 0,
+       Verbosity_Level_Warning = 1,
+       Verbosity_Level_Notice = 2,
+       Verbosity_Level_Info = 3,
+       Verbosity_Level_Debug = 4
+};
+
 extern void verbose_set_name(const char *name, int authority);
-extern void verbose(int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 4, 5)));
-extern void vverbose(int level, const char *file, int line, const char *fmt, va_list args);
 
-# define ERROR(...)   do{if(verbosity>=0)verbose(3,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define WARNING(...) do{if(verbosity>=1)verbose(4,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define NOTICE(...)  do{if(verbosity>=1)verbose(5,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define INFO(...)    do{if(verbosity>=2)verbose(6,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define DEBUG(...)   do{if(verbosity>=3)verbose(7,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define LOGUSER(app) verbose_set_name(app,0)
-# define LOGAUTH(app) verbose_set_name(app,1)
+/*
+ Log level is defined by syslog standard:
+       KERN_EMERG             0        System is unusable
+       KERN_ALERT             1        Action must be taken immediately
+       KERN_CRIT              2        Critical conditions
+       KERN_ERR               3        Error conditions
+       KERN_WARNING           4        Warning conditions
+       KERN_NOTICE            5        Normal but significant condition
+       KERN_INFO              6        Informational
+       KERN_DEBUG             7        Debug-level messages
+*/
+
+enum log_levels
+{
+       Log_Level_Emergency = 0,
+       Log_Level_Alert = 1,
+       Log_Level_Critical = 2,
+       Log_Level_Error = 3,
+       Log_Level_Warning = 4,
+       Log_Level_Notice = 5,
+       Log_Level_Info = 6,
+       Log_Level_Debug = 7
+};
+
+extern void verbose(int loglevel, const char *file, int line, const char *function, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
+extern void vverbose(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
+
+#if defined(VERBOSE_NO_DATA)
+# define __VERBOSE__(lvl,...)      do{if((lvl)<=Log_Level_Error) verbose(lvl, __FILE__, __LINE__, __func__, __VA_ARGS__)\
+                                       else verbose(lvl, __FILE__, __LINE__, __func__, NULL);}while(0)
+#elif defined(VERBOSE_NO_DETAILS)
+# define __VERBOSE__(lvl,...)      verbose(lvl, NULL, 0, NULL, __VA_ARGS__)
+#else
+# define __VERBOSE__(lvl,...)      verbose(lvl, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#endif
+
+# define _VERBOSE_(vlvl,llvl,...)  do{ if (verbosity >= vlvl) __VERBOSE__(llvl, __VA_ARGS__); } while(0)
+
+# define ERROR(...)                _VERBOSE_(Verbosity_Level_Error, Log_Level_Error, __VA_ARGS__)
+# define WARNING(...)              _VERBOSE_(Verbosity_Level_Warning, Log_Level_Warning, __VA_ARGS__)
+# define NOTICE(...)               _VERBOSE_(Verbosity_Level_Notice, Log_Level_Notice, __VA_ARGS__)
+# define INFO(...)                 _VERBOSE_(Verbosity_Level_Info, Log_Level_Info, __VA_ARGS__)
+# define DEBUG(...)                _VERBOSE_(Verbosity_Level_Debug, Log_Level_Debug, __VA_ARGS__)
+
+# define LOGUSER(app)              verbose_set_name(app,0)
+# define LOGAUTH(app)              verbose_set_name(app,1)
 
+extern void (*verbose_observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);