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/*****************************************************************************
* log.c: libvlc new API log functions
*****************************************************************************
* Copyright (C) 2005 VLC authors and VideoLAN
*
* $Id$
*
* Authors: Damien Fouilleul <damienf@videolan.org>
*
* This program 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 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc/vlc.h>
#include "libvlc_internal.h"
#include <vlc_common.h>
#include <vlc_interface.h>
/*** Logging core dispatcher ***/
void libvlc_log_get_context(const libvlc_log_t *ctx,
const char **restrict module,
const char **restrict file,
unsigned *restrict line)
{
if (module != NULL)
*module = ctx->psz_module;
if (file != NULL)
*file = ctx->file;
if (line != NULL)
*line = ctx->line;
}
void libvlc_log_get_object(const libvlc_log_t *ctx,
const char **restrict name,
const char **restrict header,
uintptr_t *restrict id)
{
if (name != NULL)
*name = (ctx->psz_object_type != NULL)
? ctx->psz_object_type : "generic";
if (header != NULL)
*header = ctx->psz_header;
if (id != NULL)
*id = ctx->i_object_id;
}
static void libvlc_logf (void *data, int level, const vlc_log_t *item,
const char *fmt, va_list ap)
{
libvlc_instance_t *inst = data;
switch (level)
{
case VLC_MSG_INFO: level = LIBVLC_NOTICE; break;
case VLC_MSG_ERR: level = LIBVLC_ERROR; break;
case VLC_MSG_WARN: level = LIBVLC_WARNING; break;
case VLC_MSG_DBG: level = LIBVLC_DEBUG; break;
}
inst->log.cb (inst->log.data, level, item, fmt, ap);
}
void libvlc_log_unset (libvlc_instance_t *inst)
{
vlc_LogSet (inst->p_libvlc_int, NULL, NULL);
}
void libvlc_log_set (libvlc_instance_t *inst, libvlc_log_cb cb, void *data)
{
libvlc_log_unset (inst); /* <- Barrier before modifying the callback */
inst->log.cb = cb;
inst->log.data = data;
vlc_LogSet (inst->p_libvlc_int, libvlc_logf, inst);
}
/*** Helpers for logging to files ***/
static void libvlc_log_file (void *data, int level, const libvlc_log_t *log,
const char *fmt, va_list ap)
{
FILE *stream = data;
flockfile (stream);
vfprintf (stream, fmt, ap);
fputc ('\n', stream);
funlockfile (stream);
(void) level; (void) log;
}
void libvlc_log_set_file (libvlc_instance_t *inst, FILE *stream)
{
libvlc_log_set (inst, libvlc_log_file, stream);
}
/*** Stubs for the old interface ***/
unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance )
{
(void) p_instance;
return -1;
}
void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, unsigned level )
{
(void) p_instance;
(void) level;
}
libvlc_log_t *libvlc_log_open( libvlc_instance_t *p_instance )
{
(void) p_instance;
return malloc(sizeof(libvlc_log_t));
}
void libvlc_log_close( libvlc_log_t *p_log )
{
free(p_log);
}
unsigned libvlc_log_count( const libvlc_log_t *p_log )
{
(void) p_log;
return 0;
}
void libvlc_log_clear( libvlc_log_t *p_log )
{
(void) p_log;
}
libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *p_log )
{
return (p_log != NULL) ? malloc(1) : NULL;
}
void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter )
{
free( p_iter );
}
int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter )
{
(void) p_iter;
return 0;
}
libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter,
libvlc_log_message_t *buffer )
{
(void) p_iter; (void) buffer;
return NULL;
}
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