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-rw-r--r--src/verbose.c38
-rw-r--r--src/verbose.h44
2 files changed, 61 insertions, 21 deletions
diff --git a/src/verbose.c b/src/verbose.c
index 2b009073..2d60dfca 100644
--- a/src/verbose.c
+++ b/src/verbose.c
@@ -21,22 +21,27 @@
#include "verbose.h"
+#if !defined(DEFAULT_VERBOSITY)
+# define DEFAULT_VERBOSITY Verbosity_Level_Warning
+#endif
+
int verbosity = 1;
+void (*verbose_observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
-#define LEVEL(x) ((x) < 0 ? 0 : (x) > 7 ? 7 : (x))
+#define CROP_LOGLEVEL(x) ((x) < Log_Level_Emergency ? Log_Level_Emergency : (x) > Log_Level_Debug ? Log_Level_Debug : (x))
#if defined(VERBOSE_WITH_SYSLOG)
#include <syslog.h>
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
char *p;
if (file == NULL || vasprintf(&p, fmt, args) < 0)
- vsyslog(level, fmt, args);
+ vsyslog(loglevel, fmt, args);
else {
- syslog(LEVEL(level), "%s [%s:%d, function]", p, file, line, function);
+ syslog(CROP_LOGLEVEL(loglevel), "%s [%s:%d, function]", p, file, line, function);
free(p);
}
}
@@ -56,15 +61,15 @@ static const char *appname;
static int appauthority;
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
char lino[20];
if (file == NULL) {
- sd_journal_printv(level, fmt, args);
+ sd_journal_printv(loglevel, fmt, args);
} else {
sprintf(lino, "%d", line);
- sd_journal_printv_with_location(level, file, lino, function, fmt, args);
+ sd_journal_printv_with_location(loglevel, file, lino, function, fmt, args);
}
}
@@ -94,13 +99,13 @@ static const char *prefixes[] = {
"<7> DEBUG"
};
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
int saverr = errno;
int tty = isatty(fileno(stderr));
errno = saverr;
- fprintf(stderr, "%s: ", prefixes[LEVEL(level)] + (tty ? 4 : 0));
+ fprintf(stderr, "%s: ", prefixes[CROP_LOGLEVEL(loglevel)] + (tty ? 4 : 0));
vfprintf(stderr, fmt, args);
if (file != NULL && (!tty || verbosity > 2))
fprintf(stderr, " [%s:%d,%s]\n", file, line, function);
@@ -116,12 +121,23 @@ void verbose_set_name(const char *name, int authority)
#endif
-void verbose(int level, const char *file, int line, const char *function, const char *fmt, ...)
+void verbose(int loglevel, const char *file, int line, const char *function, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- vverbose(level, file, line, function, fmt, ap);
+ vverbose(loglevel, file, line, function, fmt, ap);
va_end(ap);
}
+void vverbose(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
+{
+ if (verbose_observer) {
+ va_list ap;
+ va_copy(ap, args);
+ verbose_observer(loglevel, file, line, function, fmt, ap);
+ va_end(ap);
+ }
+ _vverbose_(loglevel, file, line, function, fmt, args);
+}
+
diff --git a/src/verbose.h b/src/verbose.h
index 6bedc323..8b605796 100644
--- a/src/verbose.h
+++ b/src/verbose.h
@@ -34,10 +34,19 @@
*/
extern int verbosity;
+enum verbosity_levels
+{
+ Verbosity_Level_Error = 0,
+ Verbosity_Level_Warning = 1,
+ Verbosity_Level_Notice = 1,
+ Verbosity_Level_Info = 2,
+ Verbosity_Level_Debug = 3
+};
+
extern void verbose_set_name(const char *name, int authority);
/*
- Level is defined by syslog standard:
+ 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
@@ -47,14 +56,29 @@ extern void verbose_set_name(const char *name, int authority);
KERN_INFO 6 Informational
KERN_DEBUG 7 Debug-level messages
*/
-extern void verbose(int level, const char *file, int line, const char *function, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
-extern void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args);
-# define ERROR(...) do{if(verbosity>=0)verbose(3,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
-# define WARNING(...) do{if(verbosity>=1)verbose(4,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
-# define NOTICE(...) do{if(verbosity>=1)verbose(5,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
-# define INFO(...) do{if(verbosity>=2)verbose(6,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
-# define DEBUG(...) do{if(verbosity>=3)verbose(7,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
-# define LOGUSER(app) verbose_set_name(app,0)
-# define LOGAUTH(app) verbose_set_name(app,1)
+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);
+
+# define _VERBOSE_(vlvl,llvl,...) do{ if (verbosity >= vlvl) verbose(llvl, __FILE__, __LINE__, __func__, __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);