static struct stasis_message_router *stasis_message_router_create_internal(
struct stasis_topic *topic, int use_thread_pool)
{
int res;
RAII_VAR(struct stasis_message_router *, router, NULL, ao2_cleanup);
router = ao2_t_alloc(sizeof(*router), router_dtor, stasis_topic_name(topic));
if (!router) {
return NULL;
}
res = 0;
res |= AST_VECTOR_INIT(&router->routes, 0);
res |= AST_VECTOR_INIT(&router->cache_routes, 0);
if (res) {
return NULL;
}
if (use_thread_pool) {
router->subscription = stasis_subscribe_pool(topic, router_dispatch, router);
} else {
router->subscription = stasis_subscribe(topic, router_dispatch, router);
}
if (!router->subscription) {
return NULL;
}
ao2_ref(router, +1);
return router;
}
struct stasis_subscription *internal_stasis_subscribe(
struct stasis_topic *topic,
stasis_subscription_cb callback,
void *data,
int needs_mailbox,
int use_thread_pool)
{
RAII_VAR(struct stasis_subscription *, sub, NULL, ao2_cleanup);
if (!topic) {
return NULL;
}
/* The ao2 lock is used for join_cond. */
sub = ao2_t_alloc(sizeof(*sub), subscription_dtor, stasis_topic_name(topic));
if (!sub) {
return NULL;
}
ast_uuid_generate_str(sub->uniqueid, sizeof(sub->uniqueid));
if (needs_mailbox) {
char tps_name[AST_TASKPROCESSOR_MAX_NAME + 1];
/* Create name with seq number appended. */
ast_taskprocessor_build_name(tps_name, sizeof(tps_name), "sub%c:%s",
use_thread_pool ? 'p' : 'm',
stasis_topic_name(topic));
/*
* With a small number of subscribers, a thread-per-sub is
* acceptable. For a large number of subscribers, a thread
* pool should be used.
*/
if (use_thread_pool) {
sub->mailbox = ast_threadpool_serializer(tps_name, pool);
} else {
sub->mailbox = ast_taskprocessor_get(tps_name, TPS_REF_DEFAULT);
}
if (!sub->mailbox) {
return NULL;
}
ast_taskprocessor_set_local(sub->mailbox, sub);
/* Taskprocessor has a reference */
ao2_ref(sub, +1);
}
ao2_ref(topic, +1);
sub->topic = topic;
sub->callback = callback;
sub->data = data;
ast_cond_init(&sub->join_cond, NULL);
if (topic_add_subscription(topic, sub) != 0) {
return NULL;
}
send_subscription_subscribe(topic, sub);
ao2_ref(sub, +1);
return sub;
}
/*! \brief Publish a Corosync ping to \ref stasis */
static void publish_corosync_ping_to_stasis(struct ast_event *event)
{
struct corosync_ping_payload *payload;
struct stasis_message *message;
ast_assert(ast_event_get_type(event) == AST_EVENT_PING);
ast_assert(event != NULL);
if (!corosync_ping_message_type()) {
return;
}
payload = ao2_t_alloc(sizeof(*payload), corosync_ping_payload_dtor, "Create ping payload");
if (!payload) {
return;
}
payload->event = event;
message = stasis_message_create(corosync_ping_message_type(), payload);
if (!message) {
ao2_t_ref(payload, -1, "Destroy payload on off nominal");
return;
}
stasis_publish(corosync_topic(), message);
ao2_t_ref(payload, -1, "Hand ref to stasis");
ao2_t_ref(message, -1, "Hand ref to stasis");
}
struct stasis_cp_all *stasis_cp_all_create(const char *name,
snapshot_get_id id_fn)
{
char *cached_name = NULL;
struct stasis_cp_all *all;
static int cache_id;
all = ao2_t_alloc(sizeof(*all), all_dtor, name);
if (!all) {
return NULL;
}
ast_asprintf(&cached_name, "cache_pattern:%d/%s", ast_atomic_fetchadd_int(&cache_id, +1), name);
if (!cached_name) {
ao2_ref(all, -1);
return NULL;
}
all->topic = stasis_topic_create(name);
all->topic_cached = stasis_topic_create(cached_name);
ast_free(cached_name);
all->cache = stasis_cache_create(id_fn);
all->forward_all_to_cached =
stasis_forward_all(all->topic, all->topic_cached);
if (!all->topic || !all->topic_cached || !all->cache ||
!all->forward_all_to_cached) {
ao2_ref(all, -1);
return NULL;
}
return all;
}
struct stasis_cp_single *stasis_cp_sink_create(struct stasis_cp_all *all,
const char *name)
{
struct stasis_cp_single *one;
one = ao2_t_alloc(sizeof(*one), one_dtor, name);
if (!one) {
return NULL;
}
one->topic = stasis_topic_create(name);
if (!one->topic) {
ao2_ref(one, -1);
return NULL;
}
one->topic_cached = stasis_caching_topic_create(one->topic, all->cache);
if (!one->topic_cached) {
ao2_ref(one, -1);
return NULL;
}
return one;
}
struct stasis_cp_all *stasis_cp_all_create(const char *name,
snapshot_get_id id_fn)
{
RAII_VAR(char *, cached_name, NULL, ast_free);
RAII_VAR(struct stasis_cp_all *, all, NULL, ao2_cleanup);
all = ao2_t_alloc(sizeof(*all), all_dtor, name);
if (!all) {
return NULL;
}
ast_asprintf(&cached_name, "%s-cached", name);
if (!cached_name) {
return NULL;
}
all->topic = stasis_topic_create(name);
all->topic_cached = stasis_topic_create(cached_name);
all->cache = stasis_cache_create(id_fn);
all->forward_all_to_cached =
stasis_forward_all(all->topic, all->topic_cached);
if (!all->topic || !all->topic_cached || !all->cache ||
!all->forward_all_to_cached) {
return NULL;
}
ao2_ref(all, +1);
return all;
}
struct stasis_cp_single *stasis_cp_single_create(struct stasis_cp_all *all,
const char *name)
{
RAII_VAR(struct stasis_cp_single *, one, NULL, ao2_cleanup);
one = ao2_t_alloc(sizeof(*one), one_dtor, name);
if (!one) {
return NULL;
}
one->topic = stasis_topic_create(name);
if (!one->topic) {
return NULL;
}
one->topic_cached = stasis_caching_topic_create(one->topic, all->cache);
if (!one->topic_cached) {
return NULL;
}
one->forward_topic_to_all = stasis_forward_all(one->topic, all->topic);
if (!one->forward_topic_to_all) {
return NULL;
}
one->forward_cached_to_all = stasis_forward_all(
stasis_caching_get_topic(one->topic_cached), all->topic_cached);
if (!one->forward_cached_to_all) {
return NULL;
}
ao2_ref(one, +1);
return one;
}
struct stasis_subscription *internal_stasis_subscribe(
struct stasis_topic *topic,
stasis_subscription_cb callback,
void *data,
int needs_mailbox,
int use_thread_pool)
{
RAII_VAR(struct stasis_subscription *, sub, NULL, ao2_cleanup);
if (!topic) {
return NULL;
}
/* The ao2 lock is used for join_cond. */
sub = ao2_t_alloc(sizeof(*sub), subscription_dtor, topic->name);
if (!sub) {
return NULL;
}
ast_uuid_generate_str(sub->uniqueid, sizeof(sub->uniqueid));
if (needs_mailbox) {
/* With a small number of subscribers, a thread-per-sub is
* acceptable. For larger number of subscribers, a thread
* pool should be used.
*/
if (use_thread_pool) {
sub->mailbox = ast_threadpool_serializer(sub->uniqueid, pool);
} else {
sub->mailbox = ast_taskprocessor_get(sub->uniqueid,
TPS_REF_DEFAULT);
}
if (!sub->mailbox) {
return NULL;
}
ast_taskprocessor_set_local(sub->mailbox, sub);
/* Taskprocessor has a reference */
ao2_ref(sub, +1);
}
ao2_ref(topic, +1);
sub->topic = topic;
sub->callback = callback;
sub->data = data;
ast_cond_init(&sub->join_cond, NULL);
if (topic_add_subscription(topic, sub) != 0) {
return NULL;
}
send_subscription_subscribe(topic, sub);
ao2_ref(sub, +1);
return sub;
}
/*!
* \internal
* \brief Create the scheduling data object.
*/
static struct sched_data *sched_data_create(struct ast_sip_contact *contact)
{
struct sched_data *data;
data = ao2_t_alloc(sizeof(*data), sched_data_destructor, contact->uri);
if (!data) {
ast_log(LOG_ERROR, "Unable to create schedule qualify data for contact %s\n",
contact->uri);
return NULL;
}
data->contact = contact;
ao2_ref(data->contact, +1);
return data;
}
static struct app_forwards *forwards_create(struct stasis_app *app,
const char *id)
{
struct app_forwards *forwards;
if (!app || ast_strlen_zero(id)) {
return NULL;
}
forwards = ao2_t_alloc(sizeof(*forwards) + strlen(id) + 1, forwards_dtor, id);
if (!forwards) {
return NULL;
}
strcpy(forwards->id, id); /* SAFE */
return forwards;
}
struct stasis_topic *stasis_topic_create(const char *name)
{
struct stasis_topic *topic;
int res = 0;
topic = ao2_t_alloc(sizeof(*topic), topic_dtor, name);
if (!topic) {
return NULL;
}
topic->name = ast_strdup(name);
res |= AST_VECTOR_INIT(&topic->subscribers, INITIAL_SUBSCRIBERS_MAX);
res |= AST_VECTOR_INIT(&topic->upstream_topics, 0);
if (!topic->name || res) {
ao2_cleanup(topic);
return NULL;
}
return topic;
}
/*
* This is testing code for astobj
*/
static char *handle_astobj2_test(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct ao2_container *c1;
struct ao2_container *c2;
int i, lim;
char *obj;
static int prof_id = -1;
struct ast_cli_args fake_args = { a->fd, 0, NULL };
switch (cmd) {
case CLI_INIT:
e->command = "astobj2 test";
e->usage = "Usage: astobj2 test <num>\n"
" Runs astobj2 test. Creates 'num' objects,\n"
" and test iterators, callbacks and maybe other stuff\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 3) {
return CLI_SHOWUSAGE;
}
if (prof_id == -1) {
prof_id = ast_add_profile("ao2_alloc", 0);
}
ast_cli(a->fd, "argc %d argv %s %s %s\n", a->argc, a->argv[0], a->argv[1], a->argv[2]);
lim = atoi(a->argv[2]);
ast_cli(a->fd, "called astobj_test\n");
handle_astobj2_stats(e, CLI_HANDLER, &fake_args);
/*
* Allocate a list container.
*/
c1 = ao2_t_container_alloc_list(AO2_ALLOC_OPT_LOCK_MUTEX, 0, NULL /* no sort */,
NULL /* no callback */, "test");
ast_cli(a->fd, "container allocated as %p\n", c1);
/*
* fill the container with objects.
* ao2_alloc() gives us a reference which we pass to the
* container when we do the insert.
*/
for (i = 0; i < lim; i++) {
ast_mark(prof_id, 1 /* start */);
obj = ao2_t_alloc(80, NULL,"test");
ast_mark(prof_id, 0 /* stop */);
ast_cli(a->fd, "object %d allocated as %p\n", i, obj);
sprintf(obj, "-- this is obj %d --", i);
ao2_link(c1, obj);
/* At this point, the refcount on obj is 2 due to the allocation
* and linking. We can go ahead and reduce the refcount by 1
* right here so that when the container is unreffed later, the
* objects will be freed
*/
ao2_t_ref(obj, -1, "test");
}
ast_cli(a->fd, "testing callbacks\n");
ao2_t_callback(c1, 0, print_cb, a, "test callback");
ast_cli(a->fd, "testing container cloning\n");
c2 = ao2_container_clone(c1, 0);
if (ao2_container_count(c1) != ao2_container_count(c2)) {
ast_cli(a->fd, "Cloned container does not have the same number of objects!\n");
}
ao2_t_callback(c2, 0, print_cb, a, "test callback");
ast_cli(a->fd, "testing iterators, remove every second object\n");
{
struct ao2_iterator ai;
int x = 0;
ai = ao2_iterator_init(c1, 0);
while ( (obj = ao2_t_iterator_next(&ai,"test")) ) {
ast_cli(a->fd, "iterator on <%s>\n", obj);
if (x++ & 1)
ao2_t_unlink(c1, obj,"test");
ao2_t_ref(obj, -1,"test");
}
ao2_iterator_destroy(&ai);
ast_cli(a->fd, "testing iterators again\n");
ai = ao2_iterator_init(c1, 0);
while ( (obj = ao2_t_iterator_next(&ai,"test")) ) {
ast_cli(a->fd, "iterator on <%s>\n", obj);
ao2_t_ref(obj, -1,"test");
}
ao2_iterator_destroy(&ai);
}
ast_cli(a->fd, "testing callbacks again\n");
ao2_t_callback(c1, 0, print_cb, a, "test callback");
ast_verbose("now you should see an error and possible assertion failure messages:\n");
ao2_t_ref(&i, -1, ""); /* i is not a valid object so we print an error here */
ast_cli(a->fd, "destroy container\n");
ao2_t_ref(c1, -1, ""); /* destroy container */
ao2_t_ref(c2, -1, ""); /* destroy container */
handle_astobj2_stats(e, CLI_HANDLER, &fake_args);
return CLI_SUCCESS;
}