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/* $Id$ */
/***
This file is part of PulseAudio.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif
#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;
static void (*user_log_func)(pa_log_level_t l, const char *s) = NULL;
static pa_log_level_t maximal_level = PA_LOG_NOTICE;
#ifdef HAVE_SYSLOG_H
static const int level_to_syslog[] = {
[PA_LOG_ERROR] = LOG_ERR,
[PA_LOG_WARN] = LOG_WARNING,
[PA_LOG_NOTICE] = LOG_NOTICE,
[PA_LOG_INFO] = LOG_INFO,
[PA_LOG_DEBUG] = LOG_DEBUG
};
#endif
void pa_log_set_ident(const char *p) {
if (log_ident)
pa_xfree(log_ident);
if (log_ident_local)
pa_xfree(log_ident_local);
log_ident = pa_xstrdup(p);
log_ident_local = pa_utf8_to_locale(log_ident);
if (!log_ident_local)
log_ident_local = pa_xstrdup(log_ident);
}
void pa_log_set_maximal_level(pa_log_level_t l) {
assert(l < PA_LOG_LEVEL_MAX);
maximal_level = l;
}
void pa_log_set_target(pa_log_target_t t, void (*func)(pa_log_level_t l, const char*s)) {
assert(t == PA_LOG_USER || !func);
log_target = t;
user_log_func = func;
}
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, *location;
assert(level < PA_LOG_LEVEL_MAX);
assert(format);
if ((e = getenv(ENV_LOGLEVEL)))
maximal_level = atoi(e);
if (level > maximal_level)
return;
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));
else
location = pa_xstrdup("");
if (!pa_utf8_valid(text))
pa_log_level(level, __FILE__": invalid UTF-8 string following below:");
for (t = text; t; t = n) {
if ((n = strchr(t, '\n'))) {
*n = 0;
n++;
}
if (!*t)
continue;
switch (log_target) {
case PA_LOG_STDERR: {
const char *prefix = "", *suffix = "";
char *local_t;
#ifndef OS_IS_WIN32
/* Yes indeed. Useless, but fun! */
if (isatty(STDERR_FILENO)) {
if (level <= PA_LOG_ERROR) {
prefix = "\x1B[1;31m";
suffix = "\x1B[0m";
} else if (level <= PA_LOG_WARN) {
prefix = "\x1B[1m";
suffix = "\x1B[0m";
}
}
#endif
local_t = pa_utf8_to_locale(t);
if (!local_t)
fprintf(stderr, "%s%s%s%s\n", location, prefix, t, suffix);
else {
fprintf(stderr, "%s%s%s%s\n", location, prefix, local_t, suffix);
pa_xfree(local_t);
}
break;
}
#ifdef HAVE_SYSLOG_H
case PA_LOG_SYSLOG: {
char *local_t;
openlog(log_ident_local ? log_ident_local : "???", LOG_PID, LOG_USER);
local_t = pa_utf8_to_locale(t);
if (!local_t)
syslog(level_to_syslog[level], "%s%s", location, t);
else {
syslog(level_to_syslog[level], "%s%s", location, local_t);
pa_xfree(local_t);
}
closelog();
break;
}
#endif
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:
break;
}
}
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_meta(level, NULL, 0, NULL, format, ap);
va_end(ap);
}
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