pulseaudio/src/polypcore/log.h

#ifndef foologhfoo
#define foologhfoo

/* $Id$ */

/***
  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.
***/

#include <stdarg.h>
#include <polypcore/gccmacro.h>

/* A simple logging subsystem */

/* Where to log to */
typedef enum pa_log_target {
    PA_LOG_STDERR,  /* default */
    PA_LOG_SYSLOG,
    PA_LOG_USER,    /* to user specified function */
    PA_LOG_NULL     /* to /dev/null */
} pa_log_target_t;

typedef enum pa_log_level {
    PA_LOG_ERROR  = 0,    /* Error messages */
    PA_LOG_WARN   = 1,    /* Warning messages */
    PA_LOG_NOTICE = 2,    /* Notice messages */
    PA_LOG_INFO   = 3,    /* Info messages */
    PA_LOG_DEBUG  = 4,    /* debug message */
    PA_LOG_LEVEL_MAX
} pa_log_level_t;

/* Set an identification for the current daemon. Used when logging to syslog. */
void pa_log_set_ident(const char *p);

/* Set another log target. If t is PA_LOG_USER you may specify a function that is called every log string */
void pa_log_set_target(pa_log_target_t t, void (*func)(pa_log_level_t t, const char*s));

/* 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(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);

#define pa_log pa_log_error

#endif