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link-factory: clear links when client dies

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This commit is contained in:
Wim Taymans 2018-09-18 12:33:01 +02:00
parent 61cc453cbe
commit f57d1125f6
2 changed files with 59 additions and 4 deletions
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3
src/modules/module-audio-dsp.c
View file

@ -80,8 +80,7 @@ static const struct pw_resource_events resource_events = {
static void node_destroy(void *data)
{
struct node_data *nd = data;
spa_list_remove(&nd->link);
spa_hook_remove(&nd->resource_listener);
nd->dsp = NULL;
}
static const struct pw_node_events node_events = {

60
src/modules/module-link-factory.c
View file

@ -41,9 +41,46 @@ struct factory_data {
struct pw_factory *this;
struct pw_properties *properties;
struct spa_list link_list;
struct spa_hook module_listener;
};
struct link_data {
struct factory_data *data;
struct pw_link *link;
struct spa_list l;
struct spa_hook link_listener;
struct spa_hook resource_listener;
};
static void resource_destroy(void *data)
{
struct link_data *ld = data;
spa_list_remove(&ld->l);
spa_hook_remove(&ld->resource_listener);
if (ld->link) {
spa_hook_remove(&ld->link_listener);
pw_link_destroy(ld->link);
}
}
static const struct pw_resource_events resource_events = {
PW_VERSION_RESOURCE_EVENTS,
.destroy = resource_destroy
};
static void link_destroy(void *data)
{
struct link_data *ld = data;
ld->link = NULL;
}
static const struct pw_link_events link_events = {
PW_VERSION_LINK_EVENTS,
.destroy = link_destroy
};
static struct pw_port *get_port(struct pw_node *node, enum spa_direction direction)
{
struct pw_port *p;
@ -78,6 +115,7 @@ static void *create_object(void *_data,
struct pw_properties *properties,
uint32_t new_id)
{
struct factory_data *d = _data;
struct pw_client *client;
struct pw_node *output_node, *input_node;
struct pw_port *outport, *inport;
@ -86,6 +124,8 @@ static void *create_object(void *_data,
struct pw_link *link;
uint32_t output_node_id, input_node_id;
uint32_t output_port_id, input_port_id;
struct link_data *ld;
struct pw_resource *bound_resource;
char *error;
const char *str;
int res;
@ -152,18 +192,29 @@ static void *create_object(void *_data,
if (inport == NULL)
goto no_input_port;
link = pw_link_new(core, outport, inport, NULL, properties, &error, 0);
link = pw_link_new(core, outport, inport, NULL, properties, &error, sizeof(struct link_data));
if (link == NULL)
goto no_mem;
properties = NULL;
ld = pw_link_get_user_data(link);
ld->data = d;
ld->link = link;
spa_list_append(&d->link_list, &ld->l);
pw_link_add_listener(link, &ld->link_listener, &link_events, ld);
pw_link_register(link, client, pw_client_get_global(client), NULL);
properties = NULL;
res = pw_global_bind(pw_link_get_global(link), client, PW_PERM_RWX, PW_VERSION_LINK, new_id);
if (res < 0)
goto no_bind;
if ((bound_resource = pw_client_find_resource(client, new_id)) == NULL)
goto no_bind;
pw_resource_add_listener(bound_resource, &ld->resource_listener, &resource_events, ld);
return link;
no_resource:
@ -211,9 +262,13 @@ static const struct pw_factory_implementation impl_factory = {
static void module_destroy(void *data)
{
struct factory_data *d = data;
struct link_data *ld, *t;
spa_hook_remove(&d->module_listener);
spa_list_for_each_safe(ld, t, &d->link_list, l)
pw_link_destroy(ld->link);
if (d->properties)
pw_properties_free(d->properties);
@ -243,6 +298,7 @@ static int module_init(struct pw_module *module, struct pw_properties *propertie
data = pw_factory_get_user_data(factory);
data->this = factory;
data->properties = properties;
spa_list_init(&data->link_list);
pw_log_debug("module %p: new", module);