/*! \brief Publish single channel user event (for app_userevent compatibility) */
void ast_multi_object_blob_single_channel_publish(struct ast_channel *chan,
struct stasis_message_type *type, struct ast_json *blob)
{
RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel_snapshot *, channel_snapshot, NULL, ao2_cleanup);
RAII_VAR(struct ast_multi_object_blob *, multi, NULL, ao2_cleanup);
if (!type) {
return;
}
multi = ast_multi_object_blob_create(blob);
if (!multi) {
return;
}
channel_snapshot = ast_channel_snapshot_create(chan);
ao2_ref(channel_snapshot, +1);
ast_multi_object_blob_add(multi, STASIS_UMOS_CHANNEL, channel_snapshot);
message = stasis_message_create(type, multi);
if (message) {
/* app_userevent still publishes to channel */
stasis_publish(ast_channel_topic(chan), message);
}
}
struct stasis_message *ast_channel_blob_create(struct ast_channel *chan,
struct stasis_message_type *type, struct ast_json *blob)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
if (chan) {
snapshot = ast_channel_snapshot_create(chan);
}
return create_channel_blob_message(snapshot, type, blob);
}
static struct ast_parked_call_payload *parked_call_payload_from_failure(struct ast_channel *chan)
{
RAII_VAR(struct ast_parked_call_payload *, payload, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel_snapshot *, parkee_snapshot, NULL, ao2_cleanup);
parkee_snapshot = ast_channel_snapshot_create(chan);
if (!parkee_snapshot) {
return NULL;
}
return ast_parked_call_payload_create(PARKED_CALL_FAILED, parkee_snapshot, NULL, NULL, NULL, 0, 0, 0);
}
static struct ast_parked_call_payload *parked_call_payload_from_parked_user(struct parked_user *pu, enum ast_parked_call_event_type event_type)
{
RAII_VAR(struct ast_channel_snapshot *, parkee_snapshot, NULL, ao2_cleanup);
long int timeout;
long int duration;
struct timeval now = ast_tvnow();
const char *lot_name = pu->lot->name;
ast_channel_lock(pu->chan);
parkee_snapshot = ast_channel_snapshot_create(pu->chan);
ast_channel_unlock(pu->chan);
if (!parkee_snapshot) {
return NULL;
}
timeout = pu->start.tv_sec + (long) pu->time_limit - now.tv_sec;
duration = now.tv_sec - pu->start.tv_sec;
return ast_parked_call_payload_create(event_type, parkee_snapshot, pu->parker_dial_string, pu->retriever, lot_name, pu->parking_space, timeout, duration);
}
void ast_channel_publish_snapshot(struct ast_channel *chan)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
if (ast_test_flag(ast_channel_flags(chan), AST_FLAG_SNAPSHOT_STAGE)) {
return;
}
snapshot = ast_channel_snapshot_create(chan);
if (!snapshot) {
return;
}
message = stasis_message_create(ast_channel_snapshot_type(), snapshot);
if (!message) {
return;
}
ast_assert(ast_channel_topic(chan) != NULL);
stasis_publish(ast_channel_topic(chan), message);
}
void ast_publish_channel_state(struct ast_channel *chan)
{
RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
ast_assert(chan != NULL);
if (!chan) {
return;
}
snapshot = ast_channel_snapshot_create(chan);
if (!snapshot) {
return;
}
message = stasis_message_create(ast_channel_snapshot_type(), snapshot);
if (!message) {
return;
}
ast_assert(ast_channel_topic(chan) != NULL);
stasis_publish(ast_channel_topic(chan), message);
}
void ast_channel_publish_dial_forward(struct ast_channel *caller, struct ast_channel *peer,
struct ast_channel *forwarded, const char *dialstring, const char *dialstatus,
const char *forward)
{
RAII_VAR(struct ast_multi_channel_blob *, payload, NULL, ao2_cleanup);
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
RAII_VAR(struct ast_channel_snapshot *, caller_snapshot, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel_snapshot *, peer_snapshot, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel_snapshot *, forwarded_snapshot, NULL, ao2_cleanup);
ast_assert(peer != NULL);
blob = ast_json_pack("{s: s, s: s, s: s}",
"dialstatus", S_OR(dialstatus, ""),
"forward", S_OR(forward, ""),
"dialstring", S_OR(dialstring, ""));
if (!blob) {
return;
}
payload = ast_multi_channel_blob_create(blob);
if (!payload) {
return;
}
if (caller) {
ast_channel_lock(caller);
caller_snapshot = ast_channel_snapshot_create(caller);
ast_channel_unlock(caller);
if (!caller_snapshot) {
return;
}
ast_multi_channel_blob_add_channel(payload, "caller", caller_snapshot);
}
ast_channel_lock(peer);
peer_snapshot = ast_channel_snapshot_create(peer);
ast_channel_unlock(peer);
if (!peer_snapshot) {
return;
}
ast_multi_channel_blob_add_channel(payload, "peer", peer_snapshot);
if (forwarded) {
ast_channel_lock(forwarded);
forwarded_snapshot = ast_channel_snapshot_create(forwarded);
ast_channel_unlock(forwarded);
if (!forwarded_snapshot) {
return;
}
ast_multi_channel_blob_add_channel(payload, "forwarded", forwarded_snapshot);
}
msg = stasis_message_create(ast_channel_dial_type(), payload);
if (!msg) {
return;
}
if (forwarded) {
struct stasis_subscription *subscription = stasis_subscribe(ast_channel_topic(peer), dummy_event_cb, NULL);
stasis_publish(ast_channel_topic(peer), msg);
stasis_unsubscribe_and_join(subscription);
} else {
publish_message_for_channel_topics(msg, caller);
}
}
int ast_do_pickup(struct ast_channel *chan, struct ast_channel *target)
{
struct ast_party_connected_line connected_caller;
struct ast_datastore *ds_pickup;
const char *chan_name;/*!< A masquerade changes channel names. */
const char *target_name;/*!< A masquerade changes channel names. */
int res = -1;
RAII_VAR(struct ast_channel_snapshot *, chan_snapshot, NULL, ao2_cleanup);
RAII_VAR(struct ast_channel_snapshot *, target_snapshot, NULL, ao2_cleanup);
target_name = ast_strdupa(ast_channel_name(target));
ast_debug(1, "Call pickup on '%s' by '%s'\n", target_name, ast_channel_name(chan));
/* Mark the target to block any call pickup race. */
ds_pickup = ast_datastore_alloc(&pickup_active, NULL);
if (!ds_pickup) {
ast_log(LOG_WARNING,
"Unable to create channel datastore on '%s' for call pickup\n", target_name);
return -1;
}
ast_channel_datastore_add(target, ds_pickup);
ast_party_connected_line_init(&connected_caller);
ast_party_connected_line_copy(&connected_caller, ast_channel_connected(target));
ast_channel_unlock(target);/* The pickup race is avoided so we do not need the lock anymore. */
/* Reset any earlier private connected id representation */
ast_party_id_reset(&connected_caller.priv);
connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
if (ast_channel_connected_line_sub(NULL, chan, &connected_caller, 0) &&
ast_channel_connected_line_macro(NULL, chan, &connected_caller, 0, 0)) {
ast_channel_update_connected_line(chan, &connected_caller, NULL);
}
ast_party_connected_line_free(&connected_caller);
ast_channel_lock(chan);
chan_name = ast_strdupa(ast_channel_name(chan));
ast_connected_line_copy_from_caller(&connected_caller, ast_channel_caller(chan));
ast_channel_unlock(chan);
connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
if (ast_answer(chan)) {
ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan_name);
goto pickup_failed;
}
if (ast_queue_control(chan, AST_CONTROL_ANSWER)) {
ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan_name);
goto pickup_failed;
}
ast_channel_queue_connected_line_update(chan, &connected_caller, NULL);
/* setting the HANGUPCAUSE so the ringing channel knows this call was not a missed call */
ast_channel_hangupcause_set(chan, AST_CAUSE_ANSWERED_ELSEWHERE);
ast_channel_lock(chan);
chan_snapshot = ast_channel_snapshot_create(chan);
ast_channel_unlock(chan);
if (!chan_snapshot) {
goto pickup_failed;
}
target_snapshot = ast_channel_snapshot_get_latest(ast_channel_uniqueid(target));
if (!target_snapshot) {
goto pickup_failed;
}
if (ast_channel_move(target, chan)) {
ast_log(LOG_WARNING, "Unable to complete call pickup of '%s' with '%s'\n",
chan_name, target_name);
goto pickup_failed;
}
/* target points to the channel that did the pickup at this point, so use that channel's topic instead of chan */
send_call_pickup_stasis_message(target, chan_snapshot, target_snapshot);
res = 0;
pickup_failed:
ast_channel_lock(target);
if (!ast_channel_datastore_remove(target, ds_pickup)) {
ast_datastore_free(ds_pickup);
}
ast_party_connected_line_free(&connected_caller);
return res;
}
