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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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.
polypaudio 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 polypaudio; 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>
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif
#include <polypcore/xmalloc.h>
#include <polypcore/util.h>
#include "log.h"
#define ENV_LOGLEVEL "POLYP_LOG"
static char *log_ident = 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);
log_ident = pa_xstrdup(p);
}
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(pa_log_level_t level, const char *format, va_list ap) {
const char *e;
assert(level < PA_LOG_LEVEL_MAX);
if ((e = getenv(ENV_LOGLEVEL)))
maximal_level = atoi(e);
if (level > maximal_level)
return;
switch (log_target) {
case PA_LOG_STDERR:
vfprintf(stderr, format, ap);
break;
#ifdef HAVE_SYSLOG_H
case PA_LOG_SYSLOG:
openlog(log_ident ? log_ident : "???", LOG_PID, LOG_USER);
vsyslog(level_to_syslog[level], format, ap);
closelog();
break;
#endif
case PA_LOG_USER: {
char *t = pa_vsprintf_malloc(format, ap);
assert(user_log_func);
user_log_func(level, t);
pa_xfree(t);
}
case PA_LOG_NULL:
default:
break;
}
}
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);
va_end(ap);
}
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