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factory: add events

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Add events to the factory and use the destroy event to clean up.
This commit is contained in:
Wim Taymans 2017-11-14 10:59:10 +01:00
parent 52e1dad93e
commit 157a8b6ddf
4 changed files with 80 additions and 6 deletions
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59
src/modules/spa/module-node-factory.c
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@ -35,6 +35,16 @@ struct factory_data {
struct pw_core *core;
struct pw_factory *this;
struct pw_properties *properties;
struct spa_hook factory_listener;
struct spa_hook module_listener;
struct spa_list node_list;
};
struct node_data {
struct spa_list link;
struct pw_node *node;
};
static void *create_object(void *_data,
@ -47,6 +57,7 @@ static void *create_object(void *_data,
struct factory_data *data = _data;
struct pw_node *node;
const char *lib, *factory_name, *name;
struct node_data *nd;
if (properties == NULL)
goto no_properties;
@ -68,10 +79,15 @@ static void *create_object(void *_data,
factory_name,
name,
0,
properties, 0);
properties,
sizeof(struct node_data));
if (node == NULL)
goto no_mem;
nd = pw_spa_node_get_user_data(node);
nd->node = node;
spa_list_append(&data->node_list, &nd->link);
if (resource)
pw_global_bind(pw_node_get_global(node),
pw_resource_get_client(resource),
@ -97,11 +113,41 @@ static void *create_object(void *_data,
return NULL;
}
static const struct pw_factory_implementation impl_factory = {
static const struct pw_factory_implementation factory_impl = {
PW_VERSION_FACTORY_IMPLEMENTATION,
.create_object = create_object,
};
static void factory_destroy(void *_data)
{
struct factory_data *data = _data;
struct node_data *nd, *t;
spa_hook_remove(&data->module_listener);
spa_list_for_each_safe(nd, t, &data->node_list, link)
pw_node_destroy(nd->node);
if (data->properties)
pw_properties_free(data->properties);
}
static const struct pw_factory_events factory_events = {
PW_VERSION_FACTORY_IMPLEMENTATION,
.destroy = factory_destroy,
};
static void module_destroy(void *_data)
{
struct factory_data *data = _data;
pw_factory_destroy(data->this);
}
static const struct pw_module_events module_events = {
PW_VERSION_MODULE_EVENTS,
.destroy = module_destroy,
};
static bool module_init(struct pw_module *module, struct pw_properties *properties)
{
struct pw_core *core = pw_module_get_core(module);
@ -122,12 +168,13 @@ static bool module_init(struct pw_module *module, struct pw_properties *properti
data->this = factory;
data->core = core;
data->properties = properties;
spa_list_init(&data->node_list);
pw_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
pw_factory_set_implementation(factory, &factory_impl, data);
pw_log_debug("module %p: new", module);
pw_factory_set_implementation(factory,
&impl_factory,
data);
pw_module_add_listener(module, &data->module_listener, &module_events, data);
pw_factory_register(factory, NULL, pw_module_get_global(module));