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global: add revoke and grant methods

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Add methods to grant or revoke access to a global for a client.
This commit is contained in:
Wim Taymans 2018-10-27 17:26:17 +01:00
parent bd9b74f2d8
commit bbf718cc98
2 changed files with 53 additions and 0 deletions
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45
src/pipewire/global.c
View file

@ -249,6 +249,51 @@ pw_global_bind(struct pw_global *global, struct pw_client *client, uint32_t perm
return res;
}
int pw_global_grant(struct pw_global *global, struct pw_client *client)
{
struct pw_resource *registry;
struct pw_core *core = global->core;
spa_list_for_each(registry, &core->registry_resource_list, link) {
uint32_t permissions;
if (registry->client != client)
continue;
permissions = pw_global_get_permissions(global, client);
pw_log_debug("registry %p: global %d %08x", registry, global->id, permissions);
if (PW_PERM_IS_R(permissions))
pw_registry_resource_global(registry,
global->id,
global->parent->id,
permissions,
global->type,
global->version,
global->properties ?
&global->properties->dict : NULL);
}
return 0;
}
int pw_global_revoke(struct pw_global *global, struct pw_client *client)
{
struct pw_resource *registry, *resource, *t;
struct pw_core *core = global->core;
spa_list_for_each(registry, &core->registry_resource_list, link) {
if (registry->client != client)
continue;
pw_registry_resource_global_remove(registry, global->id);
}
spa_list_for_each_safe(resource, t, &global->resource_list, link) {
if (resource->client != client)
continue;
pw_resource_destroy(resource);
}
return 0;
}
/** Destroy a global
*
* \param global a global to destroy

8
src/pipewire/global.h
View file

@ -128,6 +128,14 @@ int pw_global_bind(struct pw_global *global,
uint32_t version,
uint32_t id);
/** Revoke access to global for client, the global will be removed from
* the client registry and all the bound resources for the client will be
* destroyed */
int pw_global_revoke(struct pw_global *global, struct pw_client *client);
/** Grant access to a global for client. The client registry will be
* notified of a new global */
int pw_global_grant(struct pw_global *global, struct pw_client *client);
/** Destroy a global */
void pw_global_destroy(struct pw_global *global);