/*
- Copyright (C) 2016 "IoT.bzh"
+ Copyright (C) 2016-2019 "IoT.bzh"
author: José Bollo <jose.bollo@iot.bzh>
#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_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 int logmask;
+
+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__, NULL, __VA_ARGS__)\
+ else verbose(lvl, __FILE__, __LINE__, NULL, 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 _LOGMASK_(lvl) ((lvl) < 0 ? -1 : (1 << (lvl)))
+#define _WANTLOG_(lvl) (logmask & _LOGMASK_(lvl))
+#define _VERBOSE_(lvl,...) do{ if (_WANTLOG_(lvl)) __VERBOSE__((lvl), __VA_ARGS__); } while(0)
+
+#define EMERGENCY(...) _VERBOSE_(Log_Level_Emergency, __VA_ARGS__)
+#define ALERT(...) _VERBOSE_(Log_Level_Alert, __VA_ARGS__)
+#define CRITICAL(...) _VERBOSE_(Log_Level_Critical, __VA_ARGS__)
+#define ERROR(...) _VERBOSE_(Log_Level_Error, __VA_ARGS__)
+#define WARNING(...) _VERBOSE_(Log_Level_Warning, __VA_ARGS__)
+#define NOTICE(...) _VERBOSE_(Log_Level_Notice, __VA_ARGS__)
+#define INFO(...) _VERBOSE_(Log_Level_Info, __VA_ARGS__)
+#define DEBUG(...) _VERBOSE_(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);
+
+static inline int verbose_wants(int lvl) { return _WANTLOG_(lvl); }
+
+extern void verbose_dec();
+extern void verbose_inc();
+extern void verbose_clear();
+extern void verbose_add(int level);
+extern void verbose_sub(int level);
+extern void verbose_colorize();
+extern int verbose_is_colorized();
+
+extern int verbose_level_of_name(const char *name);
+extern const char *verbose_name_of_level(int level);
+
+#define _DEVERBOSITY_(vlvl) ((vlvl) + Log_Level_Error)
+#define _VERBOSITY_(llvl) ((llvl) - Log_Level_Error)
+extern int verbosity_get();
+extern void verbosity_set(int verbo);
+extern int verbosity_from_mask(int mask);
+extern int verbosity_to_mask(int verbo);
+
+#define COLOR_EMERGENCY "\x1B[101m"
+#define COLOR_ALERT "\x1B[43m"
+#define COLOR_CRITICAL "\x1B[41m"
+#define COLOR_ERROR "\x1B[91m"
+#define COLOR_WARNING "\x1B[93m"
+#define COLOR_NOTICE "\x1B[94m"
+#define COLOR_INFO "\x1B[96m"
+#define COLOR_DEBUG "\x1B[95m"
+#define COLOR_API "\x1B[1m"
+#define COLOR_FILE "\x1B[90m"
+#define COLOR_DEFAULT "\x1B[0m"