rework logging subsystem, to implicitly include __FILE__ in pa_log() calls. In addition we now record the line numbers and function names of pa_log calls. However, those are only shown If $PULSE_LOG_META is set.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1271 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-08-18 21:26:01 +00:00
parent 666eca38b9
commit 1bc62d5ec6
2 changed files with 89 additions and 51 deletions

View file

@ -35,12 +35,14 @@
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
#include <pulse/util.h>
#include <pulsecore/core-util.h>
#include "log.h"
#define ENV_LOGLEVEL "PULSE_LOG"
#define ENV_LOGMETA "PULSE_LOG_META"
static char *log_ident = NULL, *log_ident_local = NULL;
static pa_log_target_t log_target = PA_LOG_STDERR;
@ -80,11 +82,19 @@ void pa_log_set_target(pa_log_target_t t, void (*func)(pa_log_level_t l, const c
user_log_func = func;
}
void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
void pa_log_levelv_meta(
pa_log_level_t level,
const char*file,
int line,
const char *func,
const char *format,
va_list ap) {
const char *e;
char *text, *t, *n;
char *text, *t, *n, *location = pa_xstrdup("");
assert(level < PA_LOG_LEVEL_MAX);
assert(format);
if ((e = getenv(ENV_LOGLEVEL)))
maximal_level = atoi(e);
@ -94,6 +104,11 @@ void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
text = pa_vsprintf_malloc(format, ap);
if (getenv(ENV_LOGMETA) && file && line > 0 && func)
location = pa_sprintf_malloc("[%s:%i %s()] ", file, line, func);
else if (file)
location = pa_sprintf_malloc("%s: ", pa_path_get_filename(file));
if (!pa_utf8_valid(text))
pa_log_level(level, __FILE__": invalid UTF-8 string following below:");
@ -126,9 +141,9 @@ void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
local_t = pa_utf8_to_locale(t);
if (!local_t)
fprintf(stderr, "%s%s%s\n", prefix, t, suffix);
fprintf(stderr, "%s%s%s%s\n", location, prefix, t, suffix);
else {
fprintf(stderr, "%s%s%s\n", prefix, local_t, suffix);
fprintf(stderr, "%s%s%s%s\n", location, prefix, local_t, suffix);
pa_xfree(local_t);
}
@ -143,9 +158,9 @@ void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
local_t = pa_utf8_to_locale(t);
if (!local_t)
syslog(level_to_syslog[level], "%s", t);
syslog(level_to_syslog[level], "%s%s", location, t);
else {
syslog(level_to_syslog[level], "%s", local_t);
syslog(level_to_syslog[level], "%s%s", location, local_t);
pa_xfree(local_t);
}
@ -154,9 +169,15 @@ void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
}
#endif
case PA_LOG_USER:
user_log_func(level, t);
case PA_LOG_USER: {
char *x;
x = pa_sprintf_malloc("%s%s", location, t);
user_log_func(level, x);
pa_xfree(x);
break;
}
case PA_LOG_NULL:
default:
@ -165,47 +186,29 @@ void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
}
pa_xfree(text);
pa_xfree(location);
}
void pa_log_level_meta(
pa_log_level_t level,
const char*file,
int line,
const char *func,
const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv_meta(level, file, line, func, format, ap);
va_end(ap);
}
void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap) {
pa_log_levelv_meta(level, NULL, 0, NULL, format, ap);
}
void pa_log_level(pa_log_level_t level, const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(level, format, ap);
va_end(ap);
}
void pa_log_debug(const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(PA_LOG_DEBUG, format, ap);
va_end(ap);
}
void pa_log_info(const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(PA_LOG_INFO, format, ap);
va_end(ap);
}
void pa_log_notice(const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(PA_LOG_INFO, format, ap);
va_end(ap);
}
void pa_log_warn(const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(PA_LOG_WARN, format, ap);
va_end(ap);
}
void pa_log_error(const char *format, ...) {
va_list ap;
va_start(ap, format);
pa_log_levelv(PA_LOG_ERROR, format, ap);
pa_log_levelv_meta(level, NULL, 0, NULL, format, ap);
va_end(ap);
}

View file

@ -23,6 +23,7 @@
***/
#include <stdarg.h>
#include <stdlib.h>
#include <pulsecore/gccmacro.h>
/* A simple logging subsystem */
@ -53,17 +54,51 @@ void pa_log_set_target(pa_log_target_t t, void (*func)(pa_log_level_t t, const c
/* Minimal log level */
void pa_log_set_maximal_level(pa_log_level_t l);
/* Do a log line */
void pa_log_debug(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
void pa_log_info(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
void pa_log_notice(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
void pa_log_warn(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
void pa_log_error(const char *format, ...) PA_GCC_PRINTF_ATTR(1,2);
void pa_log_level_meta(
pa_log_level_t level,
const char*file,
int line,
const char *func,
const char *format, ...) PA_GCC_PRINTF_ATTR(5,6);
void pa_log_levelv_meta(
pa_log_level_t level,
const char*file,
int line,
const char *func,
const char *format,
va_list ap);
void pa_log_level(pa_log_level_t level, const char *format, ...) PA_GCC_PRINTF_ATTR(2,3);
void pa_log_levelv(pa_log_level_t level, const char *format, va_list ap);
#if __STDC_VERSION__ >= 199901L
/* ISO varargs available */
#define pa_log_debug(...) pa_log_level_meta(PA_LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define pa_log_info(...) pa_log_level_meta(PA_LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define pa_log_notice(...) pa_log_level_meta(PA_LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define pa_log_warn(...) pa_log_level_meta(PA_LOG_WARN, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define pa_log_error(...) pa_log_level_meta(PA_LOG_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
#else
#define LOG_FUNC(suffix, level) \
PA_GCC_UNUSED static void pa_log_##suffix(const char *format, ...) { \
va_list ap; \
va_start(ap, format); \
pa_log_levelv_meta(level, NULL, 0, NULL, format, ap); \
va_end(ap); \
}
LOG_FUNC(debug, PA_LOG_DEBUG)
LOG_FUNC(info, PA_LOG_INFO)
LOG_FUNC(notice, PA_LOG_NOTICE)
LOG_FUNC(warn, PA_LOG_WARN)
LOG_FUNC(error, PA_LOG_ERROR)
#endif
#define pa_log pa_log_error
#endif