int manager_endpoints_init(void)
{
struct stasis_topic *endpoint_topic;
int ret = 0;
if (endpoint_router) {
/* Already initialized */
return 0;
}
ast_register_atexit(manager_endpoints_shutdown);
endpoint_topic = ast_endpoint_topic_all_cached();
if (!endpoint_topic) {
return -1;
}
endpoint_router = stasis_message_router_create(endpoint_topic);
if (!endpoint_router) {
return -1;
}
ret |= stasis_message_router_add(endpoint_router, ast_endpoint_state_type(), endpoint_state_cb, NULL);
/* If somehow we failed to add any routes, just shut down the whole
* thing and fail it.
*/
if (ret) {
manager_endpoints_shutdown();
return -1;
}
return 0;
}
/*! Forward a endpoint's topics to an app */
static struct app_forwards *forwards_create_endpoint(struct stasis_app *app,
struct ast_endpoint *endpoint)
{
struct app_forwards *forwards;
int ret = 0;
if (!app) {
return NULL;
}
forwards = forwards_create(app, endpoint ? ast_endpoint_get_id(endpoint) : ENDPOINT_ALL);
if (!forwards) {
return NULL;
}
forwards->forward_type = FORWARD_ENDPOINT;
if (endpoint) {
forwards->topic_forward = stasis_forward_all(ast_endpoint_topic(endpoint),
app->topic);
forwards->topic_cached_forward = stasis_forward_all(
ast_endpoint_topic_cached(endpoint), app->topic);
if (!forwards->topic_forward || !forwards->topic_cached_forward) {
/* Half-subscribed is a bad thing */
forwards_unsubscribe(forwards);
ao2_ref(forwards, -1);
return NULL;
}
} else {
/* Since endpoint subscriptions also subscribe to channels, in the case
* of all endpoint subscriptions, we only want messages for the endpoints.
* As such, we route those particular messages and then re-publish them
* on the app's topic.
*/
ast_assert(app->endpoint_router == NULL);
app->endpoint_router = stasis_message_router_create(ast_endpoint_topic_all_cached());
if (!app->endpoint_router) {
forwards_unsubscribe(forwards);
ao2_ref(forwards, -1);
return NULL;
}
ret |= stasis_message_router_add(app->endpoint_router,
ast_endpoint_state_type(), endpoint_state_cb, app);
ret |= stasis_message_router_add(app->endpoint_router,
ast_endpoint_contact_state_type(), endpoint_state_cb, app);
if (ret) {
ao2_ref(app->endpoint_router, -1);
app->endpoint_router = NULL;
ao2_ref(forwards, -1);
return NULL;
}
}
return forwards;
}
static int load_module(void)
{
struct ao2_container *endpoints;
router = stasis_message_router_create(ast_endpoint_topic_all_cached());
if (!router) {
return AST_MODULE_LOAD_FAILURE;
}
stasis_message_router_add(router, stasis_cache_update_type(), cache_update_cb, NULL);
endpoints = stasis_cache_dump(ast_endpoint_cache(), ast_endpoint_snapshot_type());
if (endpoints) {
ao2_callback(endpoints, OBJ_MULTIPLE | OBJ_NODATA | OBJ_NOLOCK, dump_cache_load, NULL);
ao2_ref(endpoints, -1);
}
return AST_MODULE_LOAD_SUCCESS;
}
