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m-default-nodes: add properties to control storage method and interval

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Do not use WpState at all when use-persistent-storage=FALSE; keep all
the configured default nodes in memory and forget them upon restart
This commit is contained in:
George Kiagiadakis 2021-03-30 20:20:59 +03:00
parent a0876bb275
commit 0a53ddd4ad
1 changed files with 61 additions and 5 deletions
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66
modules/module-default-nodes.c
View file

@ -12,7 +12,8 @@
#include <spa/utils/json.h>
#define NAME "default-nodes"
#define SAVE_INTERVAL_MS 1000
#define DEFAULT_SAVE_INTERVAL_MS 1000
#define DEFAULT_USE_PERSISTENT_STORAGE TRUE
enum {
AUDIO_SINK,
@ -39,6 +40,12 @@ static const gchar * MEDIA_CLASS[N_DEFAULT_NODES] = {
[VIDEO_SOURCE] = "Video/Source",
};
enum {
PROP_0,
PROP_SAVE_INTERVAL_MS,
PROP_USE_PERSISTENT_STORAGE,
};
typedef struct _WpDefaultNode WpDefaultNode;
struct _WpDefaultNode
{
@ -49,11 +56,16 @@ struct _WpDefaultNode
struct _WpDefaultNodes
{
WpPlugin parent;
WpState *state;
WpDefaultNode defaults[N_DEFAULT_NODES];
WpObjectManager *metadatas_om;
WpObjectManager *nodes_om;
GSource *timeout_source;
/* properties */
guint save_interval_ms;
gboolean use_persistent_storage;
};
G_DECLARE_FINAL_TYPE (WpDefaultNodes, wp_default_nodes,
@ -104,11 +116,11 @@ timer_start (WpDefaultNodes *self)
g_autoptr (WpCore) core = wp_object_get_core (WP_OBJECT (self));
g_return_if_fail (core);
if (self->timeout_source)
if (self->timeout_source || !self->use_persistent_storage)
return;
/* Add the timeout callback */
wp_core_timeout_add (core, &self->timeout_source, SAVE_INTERVAL_MS,
wp_core_timeout_add (core, &self->timeout_source, self->save_interval_ms,
timeout_save_state_callback, self, NULL);
}
@ -283,8 +295,10 @@ wp_default_nodes_enable (WpPlugin * plugin, WpTransition * transition)
g_autoptr (WpCore) core = wp_object_get_core (WP_OBJECT (plugin));
g_return_if_fail (core);
self->state = wp_state_new (NAME);
load_state (self);
if (self->use_persistent_storage) {
self->state = wp_state_new (NAME);
load_state (self);
}
/* Create the metadatas object manager */
self->metadatas_om = wp_object_manager_new ();
@ -315,21 +329,63 @@ wp_default_nodes_disable (WpPlugin * plugin)
g_clear_object (&self->state);
}
static void
wp_default_nodes_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
WpDefaultNodes * self = WP_DEFAULT_NODES (object);
switch (property_id) {
case PROP_SAVE_INTERVAL_MS:
self->save_interval_ms = g_value_get_uint (value);
break;
case PROP_USE_PERSISTENT_STORAGE:
self->use_persistent_storage = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
wp_default_nodes_class_init (WpDefaultNodesClass * klass)
{
GObjectClass *object_class = (GObjectClass *) klass;
WpPluginClass *plugin_class = (WpPluginClass *) klass;
object_class->set_property = wp_default_nodes_set_property;
plugin_class->enable = wp_default_nodes_enable;
plugin_class->disable = wp_default_nodes_disable;
g_object_class_install_property (object_class, PROP_SAVE_INTERVAL_MS,
g_param_spec_uint ("save-interval-ms", "save-interval-ms",
"save-interval-ms", 1, G_MAXUINT32, DEFAULT_SAVE_INTERVAL_MS,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_USE_PERSISTENT_STORAGE,
g_param_spec_boolean ("use-persistent-storage", "use-persistent-storage",
"use-persistent-storage", DEFAULT_USE_PERSISTENT_STORAGE,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
}
WP_PLUGIN_EXPORT gboolean
wireplumber__module_init (WpCore * core, GVariant * args, GError ** error)
{
guint save_interval_ms = DEFAULT_SAVE_INTERVAL_MS;
gboolean use_persistent_storage = DEFAULT_USE_PERSISTENT_STORAGE;
if (args) {
g_variant_lookup (args, "save-interval-ms", "u", &save_interval_ms);
g_variant_lookup (args, "use-persistent-storage", "b", &save_interval_ms);
}
wp_plugin_register (g_object_new (wp_default_nodes_get_type (),
"name", NAME,
"core", core,
"save-interval-ms", save_interval_ms,
"use-persistent-storage", use_persistent_storage,
NULL));
return TRUE;
}