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pulse-server: implement OBJECT_LINGER

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Use OBJECT_LINGER in module-load to make sure the module stays loaded
after the client disconnects.
Implement linger in adapter and node-factory
This commit is contained in:
Wim Taymans 2020-11-26 09:28:22 +01:00
parent 0fe77d39ce
commit 1934df7307
3 changed files with 15 additions and 3 deletions
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8
src/modules/module-adapter.c
View file

@ -69,6 +69,7 @@ struct node_data {
struct pw_resource *resource;
struct spa_hook resource_listener;
uint32_t new_id;
unsigned int linger;
};
static void resource_destroy(void *data)
@ -77,7 +78,7 @@ static void resource_destroy(void *data)
pw_log_debug(NAME" %p: destroy %p", nd, nd->adapter);
spa_hook_remove(&nd->resource_listener);
if (nd->adapter)
if (nd->adapter && !nd->linger)
pw_impl_node_destroy(nd->adapter);
}
@ -156,6 +157,7 @@ static void *create_object(void *_data,
const char *str, *factory_name;
int res;
struct node_data *nd;
bool linger;
if (properties == NULL)
goto error_properties;
@ -178,6 +180,9 @@ static void *create_object(void *_data,
pw_properties_setf(properties, "audio.adapt.follower", "pointer:%p", follower);
}
str = pw_properties_get(properties, PW_KEY_OBJECT_LINGER);
linger = str ? pw_properties_parse_bool(str) : false;
if (follower == NULL) {
factory_name = pw_properties_get(properties, SPA_KEY_FACTORY_NAME);
if (factory_name == NULL)
@ -211,6 +216,7 @@ static void *create_object(void *_data,
nd->follower = follower;
nd->resource = resource;
nd->new_id = new_id;
nd->linger = linger;
spa_list_append(&d->node_list, &nd->link);
pw_impl_node_add_listener(adapter, &nd->adapter_listener, &node_events, nd);

1
src/modules/module-protocol-pulse/module.c
View file

@ -176,6 +176,7 @@ static int load_module(struct client *client, const char *name, const char *argu
pw_properties_set(props, "device.description", NULL);
}
pw_properties_set(props, "factory.name", "support.null-audio-sink");
pw_properties_set(props, PW_KEY_OBJECT_LINGER, "1");
module = calloc(1, sizeof(struct module));
module->client = client;

9
src/modules/spa/module-node-factory.c
View file

@ -63,6 +63,7 @@ struct node_data {
struct pw_impl_node *node;
struct spa_hook node_listener;
struct spa_hook resource_listener;
unsigned int linger:1;
};
static void resource_destroy(void *data)
@ -70,7 +71,7 @@ static void resource_destroy(void *data)
struct node_data *nd = data;
pw_log_debug("node %p", nd);
spa_hook_remove(&nd->resource_listener);
if (nd->node)
if (nd->node && !nd->linger)
pw_impl_node_destroy(nd->node);
}
@ -103,10 +104,11 @@ static void *create_object(void *_data,
struct factory_data *data = _data;
struct pw_context *context = data->context;
struct pw_impl_node *node;
const char *factory_name;
const char *factory_name, *str;
struct node_data *nd;
int res;
struct pw_impl_client *client;
bool linger;
if (properties == NULL)
goto error_properties;
@ -124,6 +126,8 @@ static void *create_object(void *_data,
pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
pw_global_get_id(pw_impl_client_get_global(client)));
}
str = pw_properties_get(properties, PW_KEY_OBJECT_LINGER);
linger = str ? pw_properties_parse_bool(str) : false;
node = pw_spa_node_load(context,
factory_name,
@ -136,6 +140,7 @@ static void *create_object(void *_data,
nd = pw_spa_node_get_user_data(node);
nd->data = data;
nd->node = node;
nd->linger = linger;
spa_list_append(&data->node_list, &nd->link);
pw_impl_node_add_listener(node, &nd->node_listener, &node_events, nd);