int stasis_app_control_dial(struct stasis_app_control *control, const char *endpoint, const char *exten, const char *context,
int timeout)
{
struct stasis_app_control_dial_data *dial_data;
if (!(dial_data = ast_calloc(1, sizeof(*dial_data)))) {
return -1;
}
if (!ast_strlen_zero(endpoint)) {
ast_copy_string(dial_data->endpoint, endpoint, sizeof(dial_data->endpoint));
} else if (!ast_strlen_zero(exten) && !ast_strlen_zero(context)) {
snprintf(dial_data->endpoint, sizeof(dial_data->endpoint), "Local/%s@%s", exten, context);
} else {
return -1;
}
if (timeout > 0) {
dial_data->timeout = timeout * 1000;
} else if (timeout == -1) {
dial_data->timeout = -1;
} else {
dial_data->timeout = 30000;
}
stasis_app_send_command_async(control, app_control_dial, dial_data);
return 0;
}
int stasis_app_control_set_channel_var(struct stasis_app_control *control, const char *variable, const char *value)
{
struct chanvar *var;
var = ast_calloc(1, sizeof(*var));
if (!var) {
return -1;
}
var->name = ast_strdup(variable);
if (!var->name) {
free_chanvar(var);
return -1;
}
/* It's kosher for value to be NULL. It means the variable is being unset */
if (value) {
var->value = ast_strdup(value);
if (!var->value) {
free_chanvar(var);
return -1;
}
}
stasis_app_send_command_async(control, app_control_set_channel_var, var, free_chanvar);
return 0;
}
/*!
* \brief Dial timeout
*
* This is a bridge interval hook callback. The interval hook triggering
* means that the dial timeout has been reached. If the channel has not
* been answered by the time this callback is called, then the channel
* is hung up
*
* \param bridge_channel Bridge channel on which interval hook has been called
* \param ignore Ignored
* \return -1 (i.e. remove the interval hook)
*/
static int bridge_timeout(struct ast_bridge_channel *bridge_channel, void *ignore)
{
struct ast_datastore *datastore;
RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
control = stasis_app_control_find_by_channel(bridge_channel->chan);
ast_channel_lock(bridge_channel->chan);
if (ast_channel_state(bridge_channel->chan) != AST_STATE_UP) {
/* Don't bother removing the datastore because it will happen when the channel is hung up */
ast_channel_unlock(bridge_channel->chan);
stasis_app_send_command_async(control, hangup_channel, NULL, NULL);
return -1;
}
datastore = ast_channel_datastore_find(bridge_channel->chan, &timeout_datastore, NULL);
if (!datastore) {
ast_channel_unlock(bridge_channel->chan);
return -1;
}
ast_channel_datastore_remove(bridge_channel->chan, datastore);
ast_channel_unlock(bridge_channel->chan);
ast_datastore_free(datastore);
return -1;
}
static void bridge_after_cb(struct ast_channel *chan, void *data)
{
struct stasis_app_control *control = data;
SCOPED_AO2LOCK(lock, control);
struct ast_bridge_channel *bridge_channel;
ast_debug(3, "%s, %s: Channel leaving bridge\n",
ast_channel_uniqueid(chan), control->bridge->uniqueid);
ast_assert(chan == control->channel);
/* Restore the channel's PBX */
ast_channel_pbx_set(control->channel, control->pbx);
control->pbx = NULL;
/* No longer in the bridge */
control->bridge = NULL;
/* Get the bridge channel so we don't depart from the wrong bridge */
ast_channel_lock(chan);
bridge_channel = ast_channel_get_bridge_channel(chan);
ast_channel_unlock(chan);
/* Depart this channel from the bridge using the command queue if possible */
if (stasis_app_send_command_async(control, bridge_channel_depart, bridge_channel)) {
ao2_cleanup(bridge_channel);
}
}
void stasis_app_control_moh_start(struct stasis_app_control *control, const char *moh_class)
{
char *data = NULL;
if (!ast_strlen_zero(moh_class)) {
data = ast_strdup(moh_class);
}
stasis_app_send_command_async(control, app_control_moh_start, data);
}
int stasis_app_control_redirect(struct stasis_app_control *control, const char *endpoint)
{
char *endpoint_data = ast_strdup(endpoint);
if (!endpoint_data) {
return -1;
}
stasis_app_send_command_async(control, app_control_redirect, endpoint_data, ast_free_ptr);
return 0;
}
static void internal_bridge_after_cb(struct ast_channel *chan, void *data,
enum ast_bridge_after_cb_reason reason)
{
struct stasis_app_control *control = data;
SCOPED_AO2LOCK(lock, control);
struct ast_bridge_channel *bridge_channel;
ast_debug(3, "%s, %s: %s\n",
ast_channel_uniqueid(chan), control->bridge ? control->bridge->uniqueid : "unknown",
ast_bridge_after_cb_reason_string(reason));
if (reason == AST_BRIDGE_AFTER_CB_REASON_IMPART_FAILED) {
/* The impart actually failed so control->bridge isn't valid. */
control->bridge = NULL;
}
ast_assert(chan == control->channel);
/* Restore the channel's PBX */
ast_channel_pbx_set(control->channel, control->pbx);
control->pbx = NULL;
if (control->bridge) {
app_unsubscribe_bridge(control->app, control->bridge);
/* No longer in the bridge */
control->bridge = NULL;
/* Get the bridge channel so we don't depart from the wrong bridge */
ast_channel_lock(chan);
bridge_channel = ast_channel_get_bridge_channel(chan);
ast_channel_unlock(chan);
/* Depart this channel from the bridge using the command queue if possible */
stasis_app_send_command_async(control, bridge_channel_depart, bridge_channel, __ao2_cleanup);
}
if (stasis_app_channel_is_stasis_end_published(chan)) {
/* The channel has had a StasisEnd published on it, but until now had remained in
* the bridging system. This means that the channel moved from a Stasis bridge to a
* non-Stasis bridge and is now exiting the bridging system. Because of this, the
* channel needs to exit the Stasis application and go to wherever the non-Stasis
* bridge has directed it to go. If the non-Stasis bridge has not set up an after
* bridge destination, then the channel should be hung up.
*/
int hangup_flag;
hangup_flag = ast_bridge_setup_after_goto(chan) ? AST_SOFTHANGUP_DEV : AST_SOFTHANGUP_ASYNCGOTO;
ast_channel_lock(chan);
ast_softhangup_nolock(chan, hangup_flag);
ast_channel_unlock(chan);
}
}
int stasis_app_control_add_role(struct stasis_app_control *control, const char *role)
{
char *role_dup;
role_dup = ast_strdup(role);
if (!role_dup) {
return -1;
}
stasis_app_send_command_async(control, app_control_add_role, role_dup, ast_free_ptr);
return 0;
}
int stasis_app_control_dial(struct stasis_app_control *control,
const char *dialstring, unsigned int timeout)
{
struct control_dial_args *args;
args = control_dial_args_alloc(dialstring, timeout);
if (!args) {
return -1;
}
return stasis_app_send_command_async(control, app_control_dial,
args, control_dial_args_destroy);
}
/*!
* \brief after bridge callback for the dial bridge
*
* The only purpose of this callback is to ensure that the control structure's
* bridge pointer is NULLed
*/
static void dial_bridge_after_cb(struct ast_channel *chan, void *data)
{
struct stasis_app_control *control = data;
struct ast_bridge_channel *bridge_channel;
ast_channel_lock(chan);
bridge_channel = ast_channel_get_bridge_channel(chan);
ast_channel_unlock(chan);
ast_debug(3, "Channel: <%s> Reason: %d\n", ast_channel_name(control->channel), ast_channel_hangupcause(chan));
stasis_app_send_command_async(control, bridge_channel_depart, bridge_channel, __ao2_cleanup);
control->bridge = NULL;
}
int stasis_app_control_unmute(struct stasis_app_control *control, unsigned int direction, enum ast_frame_type frametype)
{
struct stasis_app_control_mute_data *mute_data;
if (!(mute_data = ast_calloc(1, sizeof(*mute_data)))) {
return -1;
}
mute_data->direction = direction;
mute_data->frametype = frametype;
stasis_app_send_command_async(control, app_control_unmute, mute_data);
return 0;
}
int stasis_app_control_dtmf(struct stasis_app_control *control, const char *dtmf, int before, int between, unsigned int duration, int after)
{
struct stasis_app_control_dtmf_data *dtmf_data;
if (!(dtmf_data = ast_calloc(1, sizeof(*dtmf_data) + strlen(dtmf) + 1))) {
return -1;
}
dtmf_data->before = before;
dtmf_data->between = between;
dtmf_data->duration = duration;
dtmf_data->after = after;
strcpy(dtmf_data->dtmf, dtmf);
stasis_app_send_command_async(control, app_control_dtmf, dtmf_data);
return 0;
}
int stasis_app_control_continue(struct stasis_app_control *control, const char *context, const char *extension, int priority)
{
struct stasis_app_control_continue_data *continue_data;
if (!(continue_data = ast_calloc(1, sizeof(*continue_data)))) {
return -1;
}
ast_copy_string(continue_data->context, S_OR(context, ""), sizeof(continue_data->context));
ast_copy_string(continue_data->extension, S_OR(extension, ""), sizeof(continue_data->extension));
if (priority > 0) {
continue_data->priority = priority;
} else {
continue_data->priority = -1;
}
stasis_app_send_command_async(control, app_control_continue, continue_data);
return 0;
}
int stasis_app_control_dial(struct stasis_app_control *control, const char *endpoint, int timeout)
{
struct stasis_app_control_dial_data *dial_data;
if (!(dial_data = ast_calloc(1, sizeof(*dial_data)))) {
return -1;
}
ast_copy_string(dial_data->endpoint, endpoint, sizeof(dial_data->endpoint));
if (timeout > 0) {
dial_data->timeout = timeout * 1000;
} else if (timeout == -1) {
dial_data->timeout = -1;
} else {
dial_data->timeout = 30000;
}
stasis_app_send_command_async(control, app_control_dial, dial_data);
return 0;
}
struct stasis_app_recording *stasis_app_control_record(
struct stasis_app_control *control,
struct stasis_app_recording_options *options)
{
struct stasis_app_recording *recording;
char *last_slash;
errno = 0;
if (options == NULL ||
ast_strlen_zero(options->name) ||
ast_strlen_zero(options->format) ||
options->max_silence_seconds < 0 ||
options->max_duration_seconds < 0) {
errno = EINVAL;
return NULL;
}
ast_debug(3, "%s: Sending record(%s.%s) command\n",
stasis_app_control_get_channel_id(control), options->name,
options->format);
recording = ao2_alloc(sizeof(*recording), recording_dtor);
if (!recording) {
errno = ENOMEM;
return NULL;
}
recording->duration.total = -1;
recording->duration.energy_only = -1;
ast_asprintf(&recording->absolute_name, "%s/%s",
ast_config_AST_RECORDING_DIR, options->name);
if (recording->absolute_name == NULL) {
errno = ENOMEM;
ao2_ref(recording, -1);
return NULL;
}
if ((last_slash = strrchr(recording->absolute_name, '/'))) {
*last_slash = '\0';
if (ast_safe_mkdir(ast_config_AST_RECORDING_DIR,
recording->absolute_name, 0777) != 0) {
/* errno set by ast_mkdir */
ao2_ref(recording, -1);
return NULL;
}
*last_slash = '/';
}
ao2_ref(options, +1);
recording->options = options;
recording->control = control;
recording->state = STASIS_APP_RECORDING_STATE_QUEUED;
if ((recording->options->if_exists == AST_RECORD_IF_EXISTS_FAIL) &&
(ast_fileexists(recording->absolute_name, NULL, NULL))) {
ast_log(LOG_WARNING, "Recording file '%s' already exists and ifExists option is failure.\n",
recording->absolute_name);
errno = EEXIST;
ao2_ref(recording, -1);
return NULL;
}
{
RAII_VAR(struct stasis_app_recording *, old_recording, NULL,
ao2_cleanup);
SCOPED_AO2LOCK(lock, recordings);
old_recording = ao2_find(recordings, options->name,
OBJ_KEY | OBJ_NOLOCK);
if (old_recording) {
ast_log(LOG_WARNING,
"Recording %s already in progress\n",
recording->options->name);
errno = EEXIST;
ao2_ref(recording, -1);
return NULL;
}
ao2_link(recordings, recording);
}
stasis_app_control_register_add_rule(control, &rule_recording);
stasis_app_send_command_async(control, record_file, ao2_bump(recording), recording_cleanup);
return recording;
}
struct stasis_app_recording *stasis_app_control_record(
struct stasis_app_control *control,
struct stasis_app_recording_options *options)
{
RAII_VAR(struct stasis_app_recording *, recording, NULL, ao2_cleanup);
char *last_slash;
errno = 0;
if (options == NULL ||
ast_strlen_zero(options->name) ||
ast_strlen_zero(options->format) ||
options->max_silence_seconds < 0 ||
options->max_duration_seconds < 0) {
errno = EINVAL;
return NULL;
}
ast_debug(3, "%s: Sending record(%s.%s) command\n",
stasis_app_control_get_channel_id(control), options->name,
options->format);
recording = ao2_alloc(sizeof(*recording), recording_dtor);
if (!recording) {
errno = ENOMEM;
return NULL;
}
ast_asprintf(&recording->absolute_name, "%s/%s",
ast_config_AST_RECORDING_DIR, options->name);
if (recording->absolute_name == NULL) {
errno = ENOMEM;
return NULL;
}
if ((last_slash = strrchr(recording->absolute_name, '/'))) {
*last_slash = '\0';
if (ast_safe_mkdir(ast_config_AST_RECORDING_DIR,
recording->absolute_name, 0777) != 0) {
/* errno set by ast_mkdir */
return NULL;
}
*last_slash = '/';
}
ao2_ref(options, +1);
recording->options = options;
recording->control = control;
recording->state = STASIS_APP_RECORDING_STATE_QUEUED;
{
RAII_VAR(struct stasis_app_recording *, old_recording, NULL,
ao2_cleanup);
SCOPED_AO2LOCK(lock, recordings);
old_recording = ao2_find(recordings, options->name,
OBJ_KEY | OBJ_NOLOCK);
if (old_recording) {
ast_log(LOG_WARNING,
"Recording %s already in progress\n",
recording->options->name);
errno = EEXIST;
return NULL;
}
ao2_link(recordings, recording);
}
/* A ref is kept in the recordings container; no need to bump */
stasis_app_send_command_async(control, record_file, recording);
/* Although this should be bumped for the caller */
ao2_ref(recording, +1);
return recording;
}
void stasis_app_control_clear_roles(struct stasis_app_control *control)
{
stasis_app_send_command_async(control, app_control_clear_roles, NULL, NULL);
}
void stasis_app_control_silence_stop(struct stasis_app_control *control)
{
stasis_app_send_command_async(control, app_control_silence_stop, NULL);
}
int stasis_app_control_ring_stop(struct stasis_app_control *control)
{
stasis_app_send_command_async(control, app_control_ring_stop, NULL);
return 0;
}
void stasis_app_control_unhold(struct stasis_app_control *control)
{
stasis_app_send_command_async(control, app_control_unhold, NULL);
}