static int load_module(void)
{
/* You can create a message router to route messages by type */
router = stasis_message_router_create(
ast_channel_topic_all_cached());
if (!router) {
return AST_MODULE_LOAD_FAILURE;
}
stasis_message_router_add(router, stasis_cache_update_type(),
updates, NULL);
stasis_message_router_set_default(router, default_route, NULL);
/* Or a subscription to receive all of the messages from a topic */
sub = stasis_subscribe(ast_channel_topic_all(), statsmaker, NULL);
if (!sub) {
return AST_MODULE_LOAD_FAILURE;
}
return AST_MODULE_LOAD_SUCCESS;
}
struct stasis_app *app_create(const char *name, stasis_app_cb handler, void *data)
{
RAII_VAR(struct stasis_app *, app, NULL, ao2_cleanup);
size_t size;
int res = 0;
ast_assert(name != NULL);
ast_assert(handler != NULL);
ast_verb(1, "Creating Stasis app '%s'\n", name);
size = sizeof(*app) + strlen(name) + 1;
app = ao2_alloc_options(size, app_dtor, AO2_ALLOC_OPT_LOCK_MUTEX);
if (!app) {
return NULL;
}
app->forwards = ao2_container_alloc_rbtree(AO2_ALLOC_OPT_LOCK_MUTEX,
AO2_CONTAINER_ALLOC_OPT_DUPS_OBJ_REJECT,
forwards_sort, NULL);
if (!app->forwards) {
return NULL;
}
app->topic = stasis_topic_create(name);
if (!app->topic) {
return NULL;
}
app->bridge_router = stasis_message_router_create(ast_bridge_topic_all());
if (!app->bridge_router) {
return NULL;
}
res |= stasis_message_router_add(app->bridge_router,
ast_bridge_merge_message_type(), bridge_merge_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_blind_transfer_type(), bridge_blind_transfer_handler, app);
res |= stasis_message_router_add(app->bridge_router,
ast_attended_transfer_type(), bridge_attended_transfer_handler, app);
res |= stasis_message_router_set_default(app->bridge_router,
bridge_default_handler, app);
if (res != 0) {
return NULL;
}
/* Bridge router holds a reference */
ao2_ref(app, +1);
app->router = stasis_message_router_create(app->topic);
if (!app->router) {
return NULL;
}
res |= stasis_message_router_add_cache_update(app->router,
ast_bridge_snapshot_type(), sub_bridge_update_handler, app);
res |= stasis_message_router_add_cache_update(app->router,
ast_channel_snapshot_type(), sub_channel_update_handler, app);
res |= stasis_message_router_add_cache_update(app->router,
ast_endpoint_snapshot_type(), sub_endpoint_update_handler, app);
res |= stasis_message_router_set_default(app->router,
sub_default_handler, app);
if (res != 0) {
return NULL;
}
/* Router holds a reference */
ao2_ref(app, +1);
strncpy(app->name, name, size - sizeof(*app));
app->handler = handler;
ao2_ref(data, +1);
app->data = data;
ao2_ref(app, +1);
return app;
}
