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vlc-1.1
Commit 19adcbe5 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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variables: use a binary search tree instead of a table 

This makes insertion/deletion faster, and saves a lot of code
parent 6d6fcaba
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Showing with 170 additions and 311 deletions
src/libvlc.h
View file @ 19adcbe5
......@@ -162,10 +162,9 @@ typedef struct vlc_object_internals_t
char *psz_name; /* given name */
/* Object variables */
variable_t **pp_vars;
void *var_root;
vlc_mutex_t var_lock;
vlc_cond_t var_wait;
int i_vars;
/* Thread properties, if any */
vlc_thread_t thread_id;
......
src/misc/objects.c
View file @ 19adcbe5
......@@ -54,6 +54,7 @@
# include <errno.h> /* ENOSYS */
#endif
#include <search.h>
#include <limits.h>
#include <assert.h>
......@@ -131,7 +132,7 @@ void *__vlc_custom_create( vlc_object_t *p_this, size_t i_size,
p_new->i_flags = p_this->i_flags
& (OBJECT_FLAGS_NODBG|OBJECT_FLAGS_QUIET|OBJECT_FLAGS_NOINTERACT);
p_priv->pp_vars = NULL;
p_priv->var_root = NULL;
if( p_this == NULL )
{
......@@ -281,12 +282,8 @@ static void vlc_object_destroy( vlc_object_t *p_this )
/* Any thread must have been cleaned up at this point. */
assert( !p_priv->b_thread );
/* Destroy the associated variables, starting from the end so that
* no memmove calls have to be done. */
while( p_priv->i_vars )
{
var_Destroy( p_this, p_priv->pp_vars[p_priv->i_vars - 1]->psz_name );
}
/* Destroy the associated variables. */
var_DestroyAll( p_this );
vlc_cond_destroy( &p_priv->var_wait );
vlc_mutex_destroy( &p_priv->var_lock );
......@@ -766,6 +763,77 @@ vlc_list_t *__vlc_list_children( vlc_object_t *obj )
return l;
}
static void DumpVariable (const void *data, const VISIT which, const int depth)
{
if (which != postorder && which != leaf)
return;
(void) depth;
const variable_t *p_var = *(const variable_t **)data;
const char *psz_type = "unknown";
switch( p_var->i_type & VLC_VAR_TYPE )
{
#define MYCASE( type, nice ) \
case VLC_VAR_ ## type: \
psz_type = nice; \
break;
MYCASE( VOID, "void" );
MYCASE( BOOL, "bool" );
MYCASE( INTEGER, "integer" );
MYCASE( HOTKEY, "hotkey" );
MYCASE( STRING, "string" );
MYCASE( MODULE, "module" );
MYCASE( FILE, "file" );
MYCASE( DIRECTORY, "directory" );
MYCASE( VARIABLE, "variable" );
MYCASE( FLOAT, "float" );
MYCASE( TIME, "time" );
MYCASE( ADDRESS, "address" );
MYCASE( MUTEX, "mutex" );
MYCASE( LIST, "list" );
#undef MYCASE
}
printf( " *-o \"%s\" (%s", p_var->psz_name, psz_type );
if( p_var->psz_text )
printf( ", %s", p_var->psz_text );
printf( ")" );
if( p_var->i_type & VLC_VAR_HASCHOICE )
printf( ", has choices" );
if( p_var->i_type & VLC_VAR_ISCOMMAND )
printf( ", command" );
if( p_var->i_entries )
printf( ", %d callbacks", p_var->i_entries );
switch( p_var->i_type & VLC_VAR_CLASS )
{
case VLC_VAR_VOID:
case VLC_VAR_MUTEX:
break;
case VLC_VAR_BOOL:
printf( ": %s", p_var->val.b_bool ? "true" : "false" );
break;
case VLC_VAR_INTEGER:
printf( ": %d", p_var->val.i_int );
break;
case VLC_VAR_STRING:
printf( ": \"%s\"", p_var->val.psz_string );
break;
case VLC_VAR_FLOAT:
printf( ": %f", p_var->val.f_float );
break;
case VLC_VAR_TIME:
printf( ": %"PRIi64, (int64_t)p_var->val.i_time );
break;
case VLC_VAR_ADDRESS:
printf( ": %p", p_var->val.p_address );
break;
case VLC_VAR_LIST:
printf( ": TODO" );
break;
}
printf( "\n" );
}
/*****************************************************************************
* DumpCommand: print the current vlc structure
*****************************************************************************
......@@ -803,84 +871,15 @@ static int DumpCommand( vlc_object_t *p_this, char const *psz_cmd,
}
else if( *psz_cmd == 'v' )
{
int i;
if( !p_object )
p_object = p_this->p_libvlc ? VLC_OBJECT(p_this->p_libvlc) : p_this;
PrintObject( p_object, "" );
vlc_mutex_lock( &vlc_internals( p_object )->var_lock );
if( !vlc_internals( p_object )->i_vars )
if( vlc_internals( p_object )->var_root == NULL )
printf( " `-o No variables\n" );
for( i = 0; i < vlc_internals( p_object )->i_vars; i++ )
{
const variable_t *p_var = vlc_internals( p_object )->pp_vars[i];
const char *psz_type = "unknown";
switch( p_var->i_type & VLC_VAR_TYPE )
{
#define MYCASE( type, nice ) \
case VLC_VAR_ ## type: \
psz_type = nice; \
break;
MYCASE( VOID, "void" );
MYCASE( BOOL, "bool" );
MYCASE( INTEGER, "integer" );
MYCASE( HOTKEY, "hotkey" );
MYCASE( STRING, "string" );
MYCASE( MODULE, "module" );
MYCASE( FILE, "file" );
MYCASE( DIRECTORY, "directory" );
MYCASE( VARIABLE, "variable" );
MYCASE( FLOAT, "float" );
MYCASE( TIME, "time" );
MYCASE( ADDRESS, "address" );
MYCASE( MUTEX, "mutex" );
MYCASE( LIST, "list" );
#undef MYCASE
}
printf( " %c-o \"%s\" (%s",
i + 1 == vlc_internals( p_object )->i_vars ? '`' : '|',
p_var->psz_name, psz_type );
if( p_var->psz_text )
printf( ", %s", p_var->psz_text );
printf( ")" );
if( p_var->i_type & VLC_VAR_HASCHOICE )
printf( ", has choices" );
if( p_var->i_type & VLC_VAR_ISCOMMAND )
printf( ", command" );
if( p_var->i_entries )
printf( ", %d callbacks", p_var->i_entries );
switch( p_var->i_type & VLC_VAR_CLASS )
{
case VLC_VAR_VOID:
case VLC_VAR_MUTEX:
break;
case VLC_VAR_BOOL:
printf( ": %s", p_var->val.b_bool ? "true" : "false" );
break;
case VLC_VAR_INTEGER:
printf( ": %d", p_var->val.i_int );
break;
case VLC_VAR_STRING:
printf( ": \"%s\"", p_var->val.psz_string );
break;
case VLC_VAR_FLOAT:
printf( ": %f", p_var->val.f_float );
break;
case VLC_VAR_TIME:
printf( ": %"PRIi64, (int64_t)p_var->val.i_time );
break;
case VLC_VAR_ADDRESS:
printf( ": %p", p_var->val.p_address );
break;
case VLC_VAR_LIST:
printf( ": TODO" );
break;
}
printf( "\n" );
}
else
twalk( vlc_internals( p_object )->var_root, DumpVariable );
vlc_mutex_unlock( &vlc_internals( p_object )->var_lock );
}
libvlc_unlock (p_this->p_libvlc);
......
src/misc/variables.c
View file @ 19adcbe5
This diff is collapsed.
src/misc/variables.h
View file @ 19adcbe5
......@@ -43,20 +43,18 @@ typedef struct variable_ops_t
*/
struct variable_t
{
char * psz_name; /**< The variable unique name (must be first) */
/** The variable's exported value */
vlc_value_t val;
char * psz_name; /**< The variable unique name */
uint32_t i_hash; /**< (almost) unique hashed value */
int i_type; /**< The type of the variable */
/** The variable display name, mainly for use by the interfaces */
char * psz_text;
const variable_ops_t *ops;
/** Creation count: we only destroy the variable if it reaches 0 */
int i_usage;
int i_type; /**< The type of the variable */
unsigned i_usage; /**< Reference count */
/** If the variable has min/max/step values */
vlc_value_t min, max, step;
......@@ -77,4 +75,7 @@ struct variable_t
/** Array of registered callbacks */
callback_entry_t * p_entries;
};
extern void var_DestroyAll( vlc_object_t * );
#endif
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