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	pulse-server: implement OBJECT_LINGER
Use OBJECT_LINGER in module-load to make sure the module stays loaded after the client disconnects. Implement linger in adapter and node-factory
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					 3 changed files with 15 additions and 3 deletions
				
			
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			@ -69,6 +69,7 @@ struct node_data {
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	struct pw_resource *resource;
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	struct spa_hook resource_listener;
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	uint32_t new_id;
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	unsigned int linger;
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};
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static void resource_destroy(void *data)
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			@ -77,7 +78,7 @@ static void resource_destroy(void *data)
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	pw_log_debug(NAME" %p: destroy %p", nd, nd->adapter);
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	spa_hook_remove(&nd->resource_listener);
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	if (nd->adapter)
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	if (nd->adapter && !nd->linger)
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		pw_impl_node_destroy(nd->adapter);
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}
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			@ -156,6 +157,7 @@ static void *create_object(void *_data,
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	const char *str, *factory_name;
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	int res;
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	struct node_data *nd;
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	bool linger;
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	if (properties == NULL)
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		goto error_properties;
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			@ -178,6 +180,9 @@ static void *create_object(void *_data,
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		pw_properties_setf(properties, "audio.adapt.follower", "pointer:%p", follower);
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	}
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	str = pw_properties_get(properties, PW_KEY_OBJECT_LINGER);
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	linger = str ? pw_properties_parse_bool(str) : false;
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	if (follower == NULL) {
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		factory_name = pw_properties_get(properties, SPA_KEY_FACTORY_NAME);
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		if (factory_name == NULL)
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			@ -211,6 +216,7 @@ static void *create_object(void *_data,
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	nd->follower = follower;
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	nd->resource = resource;
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	nd->new_id = new_id;
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	nd->linger = linger;
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	spa_list_append(&d->node_list, &nd->link);
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	pw_impl_node_add_listener(adapter, &nd->adapter_listener, &node_events, nd);
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			@ -176,6 +176,7 @@ static int load_module(struct client *client, const char *name, const char *argu
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			pw_properties_set(props, "device.description", NULL);
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		}
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		pw_properties_set(props, "factory.name", "support.null-audio-sink");
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		pw_properties_set(props, PW_KEY_OBJECT_LINGER, "1");
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		module = calloc(1, sizeof(struct module));
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		module->client = client;
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			@ -63,6 +63,7 @@ struct node_data {
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	struct pw_impl_node *node;
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	struct spa_hook node_listener;
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	struct spa_hook resource_listener;
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	unsigned int linger:1;
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};
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static void resource_destroy(void *data)
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			@ -70,7 +71,7 @@ static void resource_destroy(void *data)
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	struct node_data *nd = data;
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	pw_log_debug("node %p", nd);
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	spa_hook_remove(&nd->resource_listener);
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	if (nd->node)
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	if (nd->node && !nd->linger)
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		pw_impl_node_destroy(nd->node);
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}
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			@ -103,10 +104,11 @@ static void *create_object(void *_data,
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	struct factory_data *data = _data;
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	struct pw_context *context = data->context;
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	struct pw_impl_node *node;
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	const char *factory_name;
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	const char *factory_name, *str;
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	struct node_data *nd;
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	int res;
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	struct pw_impl_client *client;
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	bool linger;
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	if (properties == NULL)
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		goto error_properties;
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			@ -124,6 +126,8 @@ static void *create_object(void *_data,
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		pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
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			pw_global_get_id(pw_impl_client_get_global(client)));
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	}
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	str = pw_properties_get(properties, PW_KEY_OBJECT_LINGER);
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	linger = str ? pw_properties_parse_bool(str) : false;
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	node = pw_spa_node_load(context,
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				factory_name,
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			@ -136,6 +140,7 @@ static void *create_object(void *_data,
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	nd = pw_spa_node_get_user_data(node);
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	nd->data = data;
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	nd->node = node;
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	nd->linger = linger;
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	spa_list_append(&data->node_list, &nd->link);
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	pw_impl_node_add_listener(node, &nd->node_listener, &node_events, nd);
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