/*****************************************************************************
* objects.c: vlc_object_t handling
*****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
+ * Copyright (C) 2004-2007 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
#include "vlc_httpd.h"
#include "vlc_vlm.h"
+#include "input/vlm_internal.h"
#include "vlc_vod.h"
#include "vlc_tls.h"
#include "vlc_xml.h"
vlc_value_t, vlc_value_t, void * );
static vlc_object_t * FindObject ( vlc_object_t *, int, int );
+static vlc_object_t * FindObjectName( vlc_object_t *, const char *, int );
static void DetachObject ( vlc_object_t * );
static void PrintObject ( vlc_object_t *, const char * );
static void DumpStructure ( vlc_object_t *, int, char * );
* Local structure lock
*****************************************************************************/
static vlc_mutex_t structure_lock;
+static vlc_object_internals_t global_internals;
vlc_object_t *vlc_custom_create( vlc_object_t *p_this, size_t i_size,
int i_type, const char *psz_type )
{
- vlc_object_t * p_new = NULL;
+ vlc_object_t *p_new;
+ vlc_object_internals_t *p_priv;
if( i_type == VLC_OBJECT_GLOBAL )
{
p_new = p_this;
+ p_priv = &global_internals;
+ memset( p_priv, 0, sizeof( *p_priv ) );
}
else
{
- p_new = malloc( i_size );
- if( !p_new ) return NULL;
- memset( p_new, 0, i_size );
+ p_priv = calloc( 1, sizeof( *p_priv ) + i_size );
+ if( p_priv == NULL )
+ return NULL;
+
+ p_new = (vlc_object_t *)(p_priv + 1);
}
+ p_new->p_internals = p_priv;
p_new->i_object_type = i_type;
p_new->psz_object_type = psz_type;
if( !p_new->p_vars )
{
if( i_type != VLC_OBJECT_GLOBAL )
- free( p_new );
+ free( p_priv );
return NULL;
}
if( i_type == VLC_OBJECT_GLOBAL )
{
/* If i_type is global, then p_new is actually p_libvlc_global */
- p_new->p_libvlc_global = (libvlc_global_data_t*)p_new;
+ libvlc_global_data_t *p_libvlc_global = (libvlc_global_data_t *)p_new;
+ p_new->p_libvlc_global = p_new;
p_new->p_libvlc = NULL;
- p_new->p_libvlc_global->i_counter = 0;
+ p_libvlc_global->i_counter = 0;
p_new->i_object_id = 0;
- p_new->p_libvlc_global->i_objects = 1;
- p_new->p_libvlc_global->pp_objects = malloc( sizeof(vlc_object_t *) );
- p_new->p_libvlc_global->pp_objects[0] = p_new;
+ p_libvlc_global->i_objects = 1;
+ p_libvlc_global->pp_objects = malloc( sizeof(vlc_object_t *) );
+ p_libvlc_global->pp_objects[0] = p_new;
p_new->b_attached = VLC_TRUE;
}
else
{
- p_new->p_libvlc_global = p_this->p_libvlc_global;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
+ p_new->p_libvlc_global = VLC_OBJECT (p_libvlc_global);
p_new->p_libvlc = ( i_type == VLC_OBJECT_LIBVLC ) ? (libvlc_int_t*)p_new
: p_this->p_libvlc;
vlc_mutex_lock( &structure_lock );
- p_new->p_libvlc_global->i_counter++;
- p_new->i_object_id = p_new->p_libvlc_global->i_counter;
+ p_libvlc_global->i_counter++;
+ p_new->i_object_id = p_libvlc_global->i_counter;
/* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
* useless to try and recover anything if pp_objects gets smashed. */
- TAB_APPEND( p_new->p_libvlc_global->i_objects,
- p_new->p_libvlc_global->pp_objects,
+ TAB_APPEND( p_libvlc_global->i_objects, p_libvlc_global->pp_objects,
p_new );
vlc_mutex_unlock( &structure_lock );
i_size = sizeof(libvlc_int_t);
psz_type = "libvlc";
break;
- case VLC_OBJECT_MODULE:
- i_size = sizeof(module_t);
- psz_type = "module";
- break;
case VLC_OBJECT_INTF:
i_size = sizeof(intf_thread_t);
psz_type = "interface";
i_size = sizeof(demux_t);
psz_type = "demux";
break;
- case VLC_OBJECT_STREAM:
- i_size = sizeof(stream_t);
- psz_type = "stream";
- break;
case VLC_OBJECT_ACCESS:
i_size = sizeof(access_t);
psz_type = "access";
*****************************************************************************/
void __vlc_object_destroy( vlc_object_t *p_this )
{
+ vlc_object_internals_t *p_priv = vlc_internals( p_this );
int i_delay = 0;
if( p_this->i_children )
if( p_this->i_object_type == VLC_OBJECT_GLOBAL )
{
+ libvlc_global_data_t *p_global = (libvlc_global_data_t *)p_this;
/* We are the global object ... no need to lock. */
- free( p_this->p_libvlc_global->pp_objects );
- p_this->p_libvlc_global->pp_objects = NULL;
- p_this->p_libvlc_global->i_objects--;
+ free( p_global->pp_objects );
+ p_global->pp_objects = NULL;
+ p_global->i_objects--;
vlc_mutex_destroy( &structure_lock );
}
else
{
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
int i_index;
vlc_mutex_lock( &structure_lock );
/* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
* useless to try and recover anything if pp_objects gets smashed. */
- i_index = FindIndex( p_this, p_this->p_libvlc_global->pp_objects,
- p_this->p_libvlc_global->i_objects );
- REMOVE_ELEM( p_this->p_libvlc_global->pp_objects,
- p_this->p_libvlc_global->i_objects, i_index );
+ i_index = FindIndex( p_this, p_libvlc_global->pp_objects,
+ p_libvlc_global->i_objects );
+ REMOVE_ELEM( p_libvlc_global->pp_objects,
+ p_libvlc_global->i_objects, i_index );
vlc_mutex_unlock( &structure_lock );
}
/* global is not dynamically allocated by vlc_object_create */
if( p_this->i_object_type != VLC_OBJECT_GLOBAL )
- {
- free( p_this );
- p_this = NULL;
- }
+ free( p_priv );
}
}
+vlc_bool_t __vlc_object_dying_unlocked( vlc_object_t *p_this )
+{
+ vlc_assert_locked( &p_this->object_lock );
+ return p_this->b_die;
+}
+
+
+vlc_bool_t __vlc_object_dying( vlc_object_t *p_this )
+{
+ vlc_bool_t b;
+ vlc_mutex_lock( &p_this->object_lock );
+ b = __vlc_object_dying_unlocked( p_this );
+ vlc_mutex_unlock( &p_this->object_lock );
+ return b;
+}
+
+
/**
* find an object given its ID
*
{
int i_max, i_middle;
vlc_object_t **pp_objects;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
vlc_mutex_lock( &structure_lock );
- pp_objects = p_this->p_libvlc_global->pp_objects;
+ pp_objects = p_libvlc_global->pp_objects;
/* Perform our dichotomy */
- for( i_max = p_this->p_libvlc_global->i_objects - 1 ; ; )
+ for( i_max = p_libvlc_global->i_objects - 1 ; ; )
{
i_middle = i_max / 2;
return p_found;
}
+/**
+ ****************************************************************************
+ * find a named object and increment its refcount
+ *****************************************************************************
+ * This function recursively looks for a given object name. i_mode can be one
+ * of FIND_PARENT, FIND_CHILD or FIND_ANYWHERE.
+ *****************************************************************************/
+void * __vlc_object_find_name( vlc_object_t *p_this, const char *psz_name,
+ int i_mode )
+{
+ vlc_object_t *p_found;
+
+ vlc_mutex_lock( &structure_lock );
+
+ /* If have the requested name ourselves, don't look further */
+ if( !(i_mode & FIND_STRICT)
+ && p_this->psz_object_name
+ && !strcmp( p_this->psz_object_name, psz_name ) )
+ {
+ p_this->i_refcount++;
+ vlc_mutex_unlock( &structure_lock );
+ return p_this;
+ }
+
+ /* Otherwise, recursively look for the object */
+ if( (i_mode & 0x000f) == FIND_ANYWHERE )
+ {
+ vlc_object_t *p_root = p_this;
+
+ /* Find the root */
+ while( p_root->p_parent != NULL &&
+ p_root != VLC_OBJECT( p_this->p_libvlc ) )
+ {
+ p_root = p_root->p_parent;
+ }
+
+ p_found = FindObjectName( p_root, psz_name,
+ (i_mode & ~0x000f)|FIND_CHILD );
+ if( p_found == NULL && p_root != VLC_OBJECT( p_this->p_libvlc ) )
+ {
+ p_found = FindObjectName( VLC_OBJECT( p_this->p_libvlc ),
+ psz_name, (i_mode & ~0x000f)|FIND_CHILD );
+ }
+ }
+ else
+ {
+ p_found = FindObjectName( p_this, psz_name, i_mode );
+ }
+
+ vlc_mutex_unlock( &structure_lock );
+
+ return p_found;
+}
+
/**
****************************************************************************
* increment an object refcount
vlc_list_t *p_list;
vlc_object_t **pp_current, **pp_end;
int i_count = 0, i_index = 0;
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
vlc_mutex_lock( &structure_lock );
switch( i_mode & 0x000f )
{
case FIND_ANYWHERE:
- pp_current = p_this->p_libvlc_global->pp_objects;
- pp_end = pp_current + p_this->p_libvlc_global->i_objects;
+ pp_current = p_libvlc_global->pp_objects;
+ pp_end = pp_current + p_libvlc_global->i_objects;
for( ; pp_current < pp_end ; pp_current++ )
{
}
p_list = NewList( i_count );
- pp_current = p_this->p_libvlc_global->pp_objects;
+ pp_current = p_libvlc_global->pp_objects;
for( ; pp_current < pp_end ; pp_current++ )
{
static int DumpCommand( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
+ libvlc_global_data_t *p_libvlc_global = vlc_global();
+
+ (void)oldval; (void)p_data;
if( *psz_cmd == 'l' )
{
vlc_mutex_lock( &structure_lock );
vlc_object_t **pp_current, **pp_end;
- pp_current = p_this->p_libvlc_global->pp_objects;
- pp_end = pp_current + p_this->p_libvlc_global->i_objects;
+ pp_current = p_libvlc_global->pp_objects;
+ pp_end = pp_current + p_libvlc_global->i_objects;
for( ; pp_current < pp_end ; pp_current++ )
{
if( *newval.psz_string )
{
- p_object = vlc_object_get( p_this, atoi(newval.psz_string) );
+ char *end;
+ int i_id = strtol( newval.psz_string, &end, 0 );
+ if( end != newval.psz_string )
+ p_object = vlc_object_get( p_this, i_id );
+ else
+ {
+ /* try using the object's name to find it */
+ vlc_object_t *p_libvlc = vlc_object_get( p_this, 1 );
+ if( p_libvlc )
+ {
+ /* Look in p_libvlc's children tree */
+ p_object = vlc_object_find_name( p_libvlc,
+ newval.psz_string,
+ FIND_CHILD );
+ vlc_object_release( p_libvlc );
+ }
+ if( !p_object )
+ {
+ /* If it's not in libvlc, look in libvlc_global (== p_this) */
+ p_object = vlc_object_find_name( p_this,
+ newval.psz_string,
+ FIND_CHILD );
+ }
+ }
if( !p_object )
{
printf( ": %f", p_var->val.f_float );
break;
case VLC_VAR_TIME:
- printf( ": " I64Fi, p_var->val.i_time );
+ printf( ": " I64Fi, (int64_t)p_var->val.i_time );
break;
case VLC_VAR_ADDRESS:
printf( ": %p", p_var->val.p_address );
return NULL;
}
+static vlc_object_t * FindObjectName( vlc_object_t *p_this,
+ const char *psz_name,
+ int i_mode )
+{
+ int i;
+ vlc_object_t *p_tmp;
+
+ switch( i_mode & 0x000f )
+ {
+ case FIND_PARENT:
+ p_tmp = p_this->p_parent;
+ if( p_tmp )
+ {
+ if( p_tmp->psz_object_name
+ && !strcmp( p_tmp->psz_object_name, psz_name ) )
+ {
+ p_tmp->i_refcount++;
+ return p_tmp;
+ }
+ else
+ {
+ return FindObjectName( p_tmp, psz_name, i_mode );
+ }
+ }
+ break;
+
+ case FIND_CHILD:
+ for( i = p_this->i_children; i--; )
+ {
+ p_tmp = p_this->pp_children[i];
+ if( p_tmp->psz_object_name
+ && !strcmp( p_tmp->psz_object_name, psz_name ) )
+ {
+ p_tmp->i_refcount++;
+ return p_tmp;
+ }
+ else if( p_tmp->i_children )
+ {
+ p_tmp = FindObjectName( p_tmp, psz_name, i_mode );
+ if( p_tmp )
+ {
+ return p_tmp;
+ }
+ }
+ }
+ break;
+
+ case FIND_ANYWHERE:
+ /* Handled in vlc_object_find */
+ break;
+ }
+
+ return NULL;
+}
+
static void DetachObject( vlc_object_t *p_this )
{
vlc_object_t *p_parent = p_this->p_parent;
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