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pw-mon: destroy proxies in global_remove event

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Keep track of the proxies and remove them when the global is removed.
Otherwise we might end up in a case where the have 2 proxies when
an add/remove/add sequence of messages was queued.
This commit is contained in:
Wim Taymans 2021-11-03 17:25:11 +01:00
parent f70fdf5605
commit b0e3e43c42
1 changed files with 44 additions and 19 deletions
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31
src/tools/pw-mon.c
View file

@ -57,6 +57,7 @@ struct data {
struct spa_hook registry_listener;
struct spa_list pending_list;
struct spa_list global_list;
};
struct proxy_data {
@ -72,6 +73,7 @@ struct proxy_data {
struct spa_hook proxy_listener;
struct spa_hook object_listener;
int pending_seq;
struct spa_list global_link;
struct spa_list pending_link;
print_func_t print_func;
struct spa_list param_list;
@ -547,16 +549,17 @@ destroy_proxy (void *data)
{
struct proxy_data *pd = data;
spa_list_remove(&pd->global_link);
clear_params(pd);
remove_pending(pd);
free(pd->type);
if (pd->info == NULL)
return;
if (pd->destroy)
pd->destroy(pd->info);
pd->info = NULL;
free(pd->type);
}
static const struct pw_proxy_events proxy_events = {
@ -638,17 +641,38 @@ static void registry_event_global(void *data, uint32_t id,
spa_list_init(&pd->param_list);
pw_proxy_add_object_listener(proxy, &pd->object_listener, events, pd);
pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd);
spa_list_append(&d->global_list, &pd->global_link);
return;
no_mem:
no_mem:
printf("failed to create proxy");
return;
}
static struct proxy_data *find_proxy(struct data *d, uint32_t id)
{
struct proxy_data *pd;
spa_list_for_each(pd, &d->global_list, global_link) {
if (pd->id == id)
return pd;
}
return NULL;
}
static void registry_event_global_remove(void *object, uint32_t id)
{
struct data *d = object;
struct proxy_data *pd;
printf("removed:\n");
printf("\tid: %u\n", id);
pd = find_proxy(d, id);
if (pd == NULL)
return;
if (pd->proxy)
pw_proxy_destroy(pd->proxy);
}
static const struct pw_registry_events registry_events = {
@ -744,6 +768,7 @@ int main(int argc, char *argv[])
}
spa_list_init(&data.pending_list);
spa_list_init(&data.global_list);
data.core = pw_context_connect(data.context,
pw_properties_new(