/**
* Forward result
*/
static iks *prompt_component_handle_result(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
/* forward all results, except for internal ones... */
if (strncmp("mod_rayo-prompt", iks_find_attrib_soft(iq, "id"), 15)) {
iks_insert_attrib(iq, "from", RAYO_JID(prompt));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
RAYO_SEND_REPLY_DUP(prompt, RAYO_COMPONENT(prompt)->client_jid, iq);
}
return NULL;
}
/**
* Forward CPA signal to client
*/
static void rayo_cpa_detector_event(const char *jid, void *user_data)
{
struct rayo_actor *component = RAYO_LOCATE(jid);
if (component) {
if (CPA_COMPONENT(component)->ready) {
switch_event_t *event = (switch_event_t *)user_data;
const char *signal_type = switch_event_get_header(event, "signal-type");
struct cpa_signal *cpa_signal = switch_core_hash_find(CPA_COMPONENT(component)->signals, signal_type);
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(RAYO_COMPONENT(component)->parent->id), SWITCH_LOG_DEBUG, "Handling CPA event\n");
if (cpa_signal) {
const char *value = switch_event_get_header(event, "value");
const char *duration = switch_event_get_header(event, "duration");
if (cpa_signal->terminate) {
iks *complete_event;
iks *signal_xml;
stop_cpa_detectors(CPA_COMPONENT(component));
/* send complete event to client */
complete_event = rayo_component_create_complete_event(RAYO_COMPONENT(component), "signal", RAYO_CPA_NS);
signal_xml = iks_find(complete_event, "complete");
signal_xml = iks_find(signal_xml, "signal");
iks_insert_attrib(signal_xml, "type", signal_type);
if (!zstr(value)) {
iks_insert_attrib(signal_xml, "value", value);
}
if (!zstr(duration)) {
iks_insert_attrib(signal_xml, "duration", duration);
}
rayo_component_send_complete_event(RAYO_COMPONENT(component), complete_event);
} else {
/* send event to client */
iks *signal_event = iks_new_presence("signal", RAYO_CPA_NS, RAYO_JID(component), RAYO_COMPONENT(component)->client_jid);
iks *signal_xml = iks_find(signal_event, "signal");
iks_insert_attrib(signal_xml, "type", signal_type);
if (!zstr(value)) {
iks_insert_attrib(signal_xml, "value", value);
}
if (!zstr(duration)) {
iks_insert_attrib(signal_xml, "duration", duration);
}
RAYO_SEND_REPLY(component, RAYO_COMPONENT(component)->client_jid, signal_event);
}
}
} else {
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(RAYO_COMPONENT(component)->parent->id), SWITCH_LOG_DEBUG, "Skipping CPA event\n");
}
RAYO_UNLOCK(component);
}
}
/**
* Start input component
*/
static void start_input(struct prompt_component *prompt, int start_timers, int barge_event)
{
iks *iq = iks_new("iq");
iks *input = iks_find(PROMPT_COMPONENT(prompt)->iq, "prompt");
input = iks_find(input, "input");
iks_insert_attrib(iq, "from", RAYO_JID(prompt));
iks_insert_attrib(iq, "to", RAYO_JID(RAYO_COMPONENT(prompt)->parent));
iks_insert_attrib_printf(iq, "id", "mod_rayo-prompt-%d", RAYO_SEQ_NEXT(prompt));
iks_insert_attrib(iq, "type", "set");
input = iks_copy_within(input, iks_stack(iq));
iks_insert_attrib(input, "start-timers", start_timers ? "true" : "false");
iks_insert_attrib(input, "barge-event", barge_event ? "true" : "false");
iks_insert_node(iq, input);
RAYO_SEND_MESSAGE(prompt, RAYO_JID(RAYO_COMPONENT(prompt)->parent), iq);
}
/**
* Forward result
*/
static iks *prompt_component_handle_result(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
/* forward all results, except for internal ones... */
const char *id = iks_find_attrib_soft(iq, "id");
if (strncmp("mod_rayo-prompt", id, 15)) {
iks_insert_attrib(iq, "from", RAYO_JID(prompt));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
RAYO_SEND_REPLY_DUP(prompt, RAYO_COMPONENT(prompt)->client_jid, iq);
} else if (!strcmp(PROMPT_COMPONENT(prompt)->start_timers_request_id, id)) {
rayo_component_send_input_timers_started_event(RAYO_COMPONENT(prompt));
}
return NULL;
}
/**
* Handle start of output.
*/
static iks *prompt_component_handle_output_start(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) output start\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_START_OUTPUT:
PROMPT_COMPONENT(prompt)->output_jid = switch_core_strdup(RAYO_POOL(prompt), msg->from_jid);
PROMPT_COMPONENT(prompt)->state = PCS_OUTPUT;
/* send ref to client */
rayo_component_send_start(RAYO_COMPONENT(prompt), PROMPT_COMPONENT(prompt)->iq);
break;
case PCS_START_OUTPUT_BARGE:
PROMPT_COMPONENT(prompt)->output_jid = switch_core_strdup(RAYO_POOL(prompt), msg->from_jid);
PROMPT_COMPONENT(prompt)->state = PCS_START_INPUT_OUTPUT;
/* start input without timers and with barge events */
start_input(PROMPT_COMPONENT(prompt), 0, 1);
break;
case PCS_OUTPUT:
case PCS_START_INPUT_OUTPUT:
case PCS_START_INPUT:
case PCS_START_INPUT_TIMERS:
case PCS_INPUT_OUTPUT:
case PCS_STOP_OUTPUT:
case PCS_INPUT:
case PCS_DONE_STOP_OUTPUT:
case PCS_DONE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start output event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Handle completion event
*/
static iks *prompt_component_handle_input_complete(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *presence = msg->payload;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) input complete\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_INPUT_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE_STOP_OUTPUT;
presence = iks_copy(presence);
iks_insert_attrib(presence, "from", RAYO_JID(prompt));
iks_insert_attrib(presence, "to", RAYO_COMPONENT(prompt)->client_jid);
PROMPT_COMPONENT(prompt)->complete = presence;
rayo_component_send_stop(prompt, PROMPT_COMPONENT(prompt)->output_jid);
break;
case PCS_STOP_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE_STOP_OUTPUT;
presence = iks_copy(presence);
iks_insert_attrib(presence, "from", RAYO_JID(prompt));
iks_insert_attrib(presence, "to", RAYO_COMPONENT(prompt)->client_jid);
PROMPT_COMPONENT(prompt)->complete = presence;
break;
case PCS_INPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE;
/* pass through */
case PCS_DONE:
presence = iks_copy(presence);
iks_insert_attrib(presence, "from", RAYO_JID(prompt));
iks_insert_attrib(presence, "to", RAYO_COMPONENT(prompt)->client_jid);
iks_delete(PROMPT_COMPONENT(prompt)->iq);
rayo_component_send_complete_event(RAYO_COMPONENT(prompt), presence);
break;
case PCS_OUTPUT:
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
case PCS_START_INPUT:
case PCS_START_INPUT_OUTPUT:
case PCS_START_INPUT_TIMERS:
case PCS_DONE_STOP_OUTPUT:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start output error event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Stop all CPA detectors
*/
static void stop_cpa_detectors(struct cpa_component *cpa)
{
if (cpa->signals) {
switch_hash_index_t *hi = NULL;
for (hi = switch_core_hash_first(cpa->signals); hi; hi = switch_core_hash_next(hi)) {
const void *signal_type;
void *cpa_signal = NULL;
switch_core_hash_this(hi, &signal_type, NULL, &cpa_signal);
if (cpa_signal) {
rayo_cpa_detector_stop(RAYO_COMPONENT(cpa)->parent->id, ((struct cpa_signal *)cpa_signal)->name);
unsubscribe(RAYO_COMPONENT(cpa)->parent->id, ((struct cpa_signal *)cpa_signal)->name, RAYO_JID(cpa));
}
}
switch_core_hash_destroy(&cpa->signals);
cpa->signals = NULL;
}
unsubscribe(RAYO_COMPONENT(cpa)->parent->id, "hangup", RAYO_JID(cpa));
}
/**
* Handle CPA completion because of hangup
*/
static void rayo_cpa_component_hangup(const char *jid, void *user_data)
{
struct rayo_actor *component = RAYO_LOCATE(jid);
if (component) {
stop_cpa_detectors(CPA_COMPONENT(component));
rayo_component_send_complete(RAYO_COMPONENT(component), COMPONENT_COMPLETE_HANGUP);
RAYO_UNLOCK(component);
}
}
/**
* Stop execution of record component
*/
static iks *stop_call_record_component(struct rayo_actor *client, struct rayo_actor *component, iks *iq, void *data)
{
switch_core_session_t *session = switch_core_session_locate(RAYO_COMPONENT(component)->parent->id);
if (session) {
RECORD_COMPONENT(component)->stop = 1;
switch_ivr_stop_record_session(session, RAYO_ID(component));
switch_core_session_rwunlock(session);
}
return iks_new_iq_result(iq);
}
/**
* Get access to Rayo component data.
* @param id the component internal ID
* @return the component or NULL. Call rayo_component_unlock() when done with component pointer.
*/
struct rayo_component *rayo_component_locate(const char *id, const char *file, int line)
{
struct rayo_actor *actor = rayo_actor_locate_by_id(id, file, line);
if (actor && is_component_actor(actor)) {
return RAYO_COMPONENT(actor);
} else if (actor) {
RAYO_UNLOCK(actor);
}
return NULL;
}
/**
* Handle input failure.
*/
static iks *prompt_component_handle_input_error(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
iks *error = iks_find(iq, "error");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) input error\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_START_INPUT_TIMERS:
case PCS_START_INPUT:
/* send error to client */
PROMPT_COMPONENT(prompt)-> state = PCS_DONE;
iks_delete(PROMPT_COMPONENT(prompt)->iq);
rayo_component_send_complete(RAYO_COMPONENT(prompt), COMPONENT_COMPLETE_ERROR);
break;
break;
case PCS_START_INPUT_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE_STOP_OUTPUT;
/* forward error to client */
iq = PROMPT_COMPONENT(prompt)->iq;
iks_insert_attrib(iq, "from", RAYO_JID(RAYO_COMPONENT(prompt)->parent));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
iks_insert_node(iq, iks_copy_within(error, iks_stack(iq)));
PROMPT_COMPONENT(prompt)->complete = iq;
rayo_component_send_stop(prompt, PROMPT_COMPONENT(prompt)->output_jid);
break;
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
case PCS_INPUT_OUTPUT:
case PCS_STOP_OUTPUT:
case PCS_INPUT:
case PCS_OUTPUT:
case PCS_DONE_STOP_OUTPUT:
case PCS_DONE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start input error event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Create a record component
*/
static struct rayo_component *record_component_create(struct rayo_actor *actor, const char *client_jid, iks *record)
{
switch_memory_pool_t *pool;
struct record_component *record_component = NULL;
char *local_file_path;
char *fs_file_path;
switch_bool_t start_paused;
/* validate record attributes */
if (!VALIDATE_RAYO_RECORD(record)) {
return NULL;
}
start_paused = iks_find_bool_attrib(record, "start-paused");
/* create record filename from session UUID and ref */
/* for example: prefix/1234-1234-1234-1234-30.wav */
local_file_path = switch_mprintf("%s%s-%i.%s",
globals.record_file_prefix,
actor->id, rayo_actor_seq_next(actor), iks_find_attrib(record, "format"));
fs_file_path = switch_mprintf("{pause=%s}fileman://%s",
start_paused ? "true" : "false",
local_file_path);
switch_core_new_memory_pool(&pool);
record_component = switch_core_alloc(pool, sizeof(*record_component));
rayo_component_init(RAYO_COMPONENT(record_component), pool, "record", fs_file_path, actor, client_jid);
record_component->max_duration = iks_find_int_attrib(record, "max-duration");
record_component->initial_timeout = iks_find_int_attrib(record, "initial-timeout");
record_component->final_timeout = iks_find_int_attrib(record, "final-timeout");
record_component->direction = switch_core_strdup(RAYO_POOL(record_component), iks_find_attrib_soft(record, "direction"));
record_component->mix = iks_find_bool_attrib(record, "mix");
record_component->start_beep = iks_find_bool_attrib(record, "start-beep");
record_component->stop_beep = iks_find_bool_attrib(record, "stop-beep");
record_component->start_time = start_paused ? 0 : switch_micro_time_now();
record_component->local_file_path = switch_core_strdup(RAYO_POOL(record_component), local_file_path);
switch_safe_free(local_file_path);
switch_safe_free(fs_file_path);
return RAYO_COMPONENT(record_component);
}
/**
* Handle output failure.
*/
static iks *prompt_component_handle_output_error(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
iks *error = iks_find(iq, "error");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) output error\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, <output> error: %s\n", RAYO_JID(prompt), iks_string(iks_stack(iq), iq));
PROMPT_COMPONENT(prompt)->state = PCS_DONE;
/* forward IQ error to client */
iq = PROMPT_COMPONENT(prompt)->iq;
iks_insert_attrib(iq, "from", RAYO_JID(RAYO_COMPONENT(prompt)->parent));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
iks_insert_node(iq, iks_copy_within(error, iks_stack(iq)));
RAYO_SEND_REPLY(prompt, RAYO_COMPONENT(prompt)->client_jid, iq);
/* done */
iks_delete(PROMPT_COMPONENT(prompt)->iq);
RAYO_UNLOCK(prompt);
RAYO_DESTROY(prompt);
break;
case PCS_START_INPUT_OUTPUT:
case PCS_START_INPUT_TIMERS:
case PCS_START_INPUT:
case PCS_INPUT_OUTPUT:
case PCS_STOP_OUTPUT:
case PCS_INPUT:
case PCS_OUTPUT:
case PCS_DONE_STOP_OUTPUT:
case PCS_DONE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start output error event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Stop execution of fax component
*/
static iks *stop_fax_component(struct rayo_actor *component, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
switch_core_session_t *session = switch_core_session_locate(RAYO_COMPONENT(component)->parent->id);
FAX_COMPONENT(component)->stop = 1;
if (session) {
switch_core_session_execute_application_async(session, "stopfax", "");
switch_core_session_rwunlock(session);
}
return iks_new_iq_result(iq);
}
/**
* Start execution of prompt component
*/
static iks *start_call_prompt_component(struct rayo_actor *call, struct rayo_message *msg, void *session_data)
{
iks *iq = msg->payload;
switch_core_session_t *session = (switch_core_session_t *)session_data;
switch_memory_pool_t *pool;
struct prompt_component *prompt_component = NULL;
iks *prompt = iks_find(iq, "prompt");
iks *input;
iks *output;
iks *cmd;
if (!VALIDATE_RAYO_PROMPT(prompt)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Bad <prompt> attrib\n");
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "Bad <prompt> attrib value");
}
output = iks_find(prompt, "output");
if (!output) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Missing <output>\n");
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "Missing <output>");
}
input = iks_find(prompt, "input");
if (!input) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Missing <input>\n");
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "Missing <input>");
}
/* create prompt component, linked to call */
switch_core_new_memory_pool(&pool);
prompt_component = switch_core_alloc(pool, sizeof(*prompt_component));
rayo_component_init(RAYO_COMPONENT(prompt_component), pool, RAT_CALL_COMPONENT, "prompt", NULL, call, iks_find_attrib(iq, "from"));
prompt_component->iq = iks_copy(iq);
/* start output */
if (iks_find_bool_attrib(prompt, "barge-in")) {
prompt_component->state = PCS_START_OUTPUT_BARGE;
} else {
prompt_component->state = PCS_START_OUTPUT;
}
cmd = iks_new("iq");
iks_insert_attrib(cmd, "from", RAYO_JID(prompt_component));
iks_insert_attrib(cmd, "to", RAYO_JID(call));
iks_insert_attrib(cmd, "id", iks_find_attrib(iq, "id"));
iks_insert_attrib(cmd, "type", "set");
output = iks_copy_within(output, iks_stack(cmd));
iks_insert_node(cmd, output);
RAYO_SEND_MESSAGE(prompt_component, RAYO_JID(call), cmd);
return NULL;
}
/**
* Stop execution of record component
*/
static iks *stop_mixer_record_component(struct rayo_actor *client, struct rayo_actor *component, iks *iq, void *data)
{
char *args;
switch_stream_handle_t stream = { 0 };
SWITCH_STANDARD_STREAM(stream);
RECORD_COMPONENT(component)->stop = 1;
args = switch_mprintf("%s recording stop %s", RAYO_COMPONENT(component)->parent->id, RAYO_ID(component));
switch_api_execute("conference", args, NULL, &stream);
switch_safe_free(args);
switch_safe_free(stream.data);
return iks_new_iq_result(iq);
}
/**
* Create new output component
*/
static struct rayo_component *create_output_component(struct rayo_actor *actor, const char *type, iks *output, const char *client_jid)
{
switch_memory_pool_t *pool;
struct output_component *output_component = NULL;
switch_core_new_memory_pool(&pool);
output_component = switch_core_alloc(pool, sizeof(*output_component));
output_component = OUTPUT_COMPONENT(rayo_component_init((struct rayo_component *)output_component, pool, type, "output", NULL, actor, client_jid));
if (output_component) {
output_component->document = iks_copy(output);
output_component->start_offset_ms = iks_find_int_attrib(output, "start-offset");
output_component->repeat_interval_ms = iks_find_int_attrib(output, "repeat-interval");
output_component->repeat_times = iks_find_int_attrib(output, "repeat-times");
output_component->max_time_ms = iks_find_int_attrib(output, "max-time");
output_component->start_paused = iks_find_bool_attrib(output, "start-paused");
output_component->renderer = switch_core_strdup(RAYO_POOL(output_component), iks_find_attrib_soft(output, "renderer"));
/* get custom headers */
{
switch_stream_handle_t headers = { 0 };
iks *header = NULL;
int first = 1;
SWITCH_STANDARD_STREAM(headers);
for (header = iks_find(output, "header"); header; header = iks_next_tag(header)) {
if (!strcmp("header", iks_name(header))) {
const char *name = iks_find_attrib_soft(header, "name");
const char *value = iks_find_attrib_soft(header, "value");
if (!zstr(name) && !zstr(value)) {
headers.write_function(&headers, "%s%s=%s", first ? "{" : ",", name, value);
first = 0;
}
}
}
if (headers.data) {
headers.write_function(&headers, "}");
output_component->headers = switch_core_strdup(RAYO_POOL(output_component), (char *)headers.data);
free(headers.data);
}
}
} else {
switch_core_destroy_memory_pool(&pool);
}
return RAYO_COMPONENT(output_component);
}
/**
* Stop execution of prompt component
*/
static iks *stop_call_prompt_component(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
iks *reply = NULL;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) stop prompt\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_OUTPUT:
/* input hasn't started yet */
PROMPT_COMPONENT(prompt)->state = PCS_DONE_STOP_OUTPUT;
PROMPT_COMPONENT(prompt)->complete = rayo_component_create_complete_event(RAYO_COMPONENT(prompt), COMPONENT_COMPLETE_STOP);
rayo_component_send_stop(prompt, PROMPT_COMPONENT(prompt)->output_jid);
break;
case PCS_INPUT_OUTPUT:
case PCS_INPUT:
case PCS_STOP_OUTPUT:
/* stopping input will trigger completion */
rayo_component_send_stop(prompt, PROMPT_COMPONENT(prompt)->input_jid);
break;
case PCS_START_INPUT:
/* stop input as soon as it starts */
PROMPT_COMPONENT(prompt)->state = PCS_DONE;
break;
case PCS_DONE_STOP_OUTPUT:
case PCS_DONE:
/* already done */
break;
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
case PCS_START_INPUT_OUTPUT:
case PCS_START_INPUT_TIMERS:
/* ref hasn't been sent yet */
reply = iks_new_error(iq, STANZA_ERROR_UNEXPECTED_REQUEST);
break;
}
if (!reply) {
reply = iks_new_iq_result(iq);
}
return reply;
}
/**
* Handle completion event
*/
static iks *prompt_component_handle_output_complete(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) output complete\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_START_INPUT;
/* start input with timers enabled and barge events disabled */
start_input(PROMPT_COMPONENT(prompt), 1, 0);
iks_delete(PROMPT_COMPONENT(prompt)->iq);
break;
case PCS_START_INPUT_OUTPUT:
/* output finished before input started */
PROMPT_COMPONENT(prompt)->state = PCS_START_INPUT_TIMERS;
break;
case PCS_INPUT_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_INPUT;
start_input_timers(PROMPT_COMPONENT(prompt));
break;
case PCS_STOP_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_INPUT;
start_input_timers(PROMPT_COMPONENT(prompt));
break;
case PCS_DONE_STOP_OUTPUT:
if (PROMPT_COMPONENT(prompt)->complete) {
rayo_component_send_complete_event(RAYO_COMPONENT(prompt), PROMPT_COMPONENT(prompt)->complete);
}
break;
case PCS_INPUT:
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
case PCS_START_INPUT:
case PCS_START_INPUT_TIMERS:
case PCS_DONE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start output error event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Start execution of call receivefax component
* @param call the call to receive fax from
* @param msg the original request
* @param session_data the call's session
*/
static iks *start_receivefax_component(struct rayo_actor *call, struct rayo_message *msg, void *session_data)
{
iks *iq = msg->payload;
switch_core_session_t *session = (switch_core_session_t *)session_data;
struct receivefax_component *receivefax_component = NULL;
iks *receivefax = iks_find(iq, "receivefax");
iks *response = NULL;
switch_event_t *execute_event = NULL;
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_memory_pool_t *pool;
int file_no;
/* validate attributes */
if (!VALIDATE_RAYO_RECEIVEFAX(receivefax)) {
return iks_new_error(iq, STANZA_ERROR_BAD_REQUEST);
}
/* fax is only allowed if the call is not currently joined */
if (rayo_call_is_joined(RAYO_CALL(call))) {
return iks_new_error_detailed(iq, STANZA_ERROR_UNEXPECTED_REQUEST, "can't receive fax on a joined call");
}
if (rayo_call_is_faxing(RAYO_CALL(call))) {
return iks_new_error_detailed(iq, STANZA_ERROR_UNEXPECTED_REQUEST, "fax already in progress");
}
/* create receivefax component */
switch_core_new_memory_pool(&pool);
receivefax_component = switch_core_alloc(pool, sizeof(*receivefax_component));
rayo_component_init((struct rayo_component *)receivefax_component, pool, RAT_CALL_COMPONENT, "receivefax", NULL, call, iks_find_attrib(iq, "from"));
file_no = rayo_actor_seq_next(call);
receivefax_component->filename = switch_core_sprintf(pool, "%s%s%s-%d.tif",
globals.file_prefix, SWITCH_PATH_SEPARATOR, switch_core_session_get_uuid(session), file_no);
if (!strncmp(receivefax_component->filename, "http://", 7) || !strncmp(receivefax_component->filename, "https://", 8)) {
/* This is an HTTP URL, need to PUT after fax is received */
receivefax_component->local_filename = switch_core_sprintf(pool, "%s%s%s-%d",
SWITCH_GLOBAL_dirs.temp_dir, SWITCH_PATH_SEPARATOR, switch_core_session_get_uuid(session), file_no);
receivefax_component->http_put_after_receive = 1;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s save fax to HTTP URL\n", RAYO_JID(receivefax_component));
} else {
/* assume file.. */
receivefax_component->local_filename = receivefax_component->filename;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s save fax to local file\n", RAYO_JID(receivefax_component));
}
/* add channel variable so that fax component can be located from fax events */
switch_channel_set_variable(channel, "rayo_fax_jid", RAYO_JID(receivefax_component));
/* clear fax result variables */
switch_channel_set_variable(channel, "fax_success", NULL);
switch_channel_set_variable(channel, "fax_result_code", NULL);
switch_channel_set_variable(channel, "fax_result_text", NULL);
switch_channel_set_variable(channel, "fax_document_transferred_pages", NULL);
switch_channel_set_variable(channel, "fax_document_total_pages", NULL);
switch_channel_set_variable(channel, "fax_image_resolution", NULL);
switch_channel_set_variable(channel, "fax_image_size", NULL);
switch_channel_set_variable(channel, "fax_bad_rows", NULL);
switch_channel_set_variable(channel, "fax_transfer_rate", NULL);
switch_channel_set_variable(channel, "fax_ecm_used", NULL);
switch_channel_set_variable(channel, "fax_local_station_id", NULL);
switch_channel_set_variable(channel, "fax_remote_station_id", NULL);
/* clear fax interrupt variable */
switch_channel_set_variable(switch_core_session_get_channel(session), "rayo_read_frame_interrupt", NULL);
rayo_call_set_faxing(RAYO_CALL(call), 1);
/* execute rxfax APP */
if (switch_event_create(&execute_event, SWITCH_EVENT_COMMAND) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "call-command", "execute");
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "execute-app-name", "rxfax");
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "execute-app-arg", receivefax_component->local_filename);
if (!switch_channel_test_flag(channel, CF_PROXY_MODE)) {
switch_channel_set_flag(channel, CF_BLOCK_BROADCAST_UNTIL_MEDIA);
}
if (switch_core_session_queue_private_event(session, &execute_event, SWITCH_FALSE) != SWITCH_STATUS_SUCCESS) {
response = iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to rxfax (queue event failed)");
if (execute_event) {
switch_event_destroy(&execute_event);
}
rayo_call_set_faxing(RAYO_CALL(call), 0);
RAYO_UNLOCK(receivefax_component);
} else {
/* component starting... */
rayo_component_send_start(RAYO_COMPONENT(receivefax_component), iq);
}
} else {
response = iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to create rxfax event");
rayo_call_set_faxing(RAYO_CALL(call), 0);
RAYO_UNLOCK(receivefax_component);
}
return response;
}
/**
* Handle fax completion event from FreeSWITCH core
* @param event received from FreeSWITCH core. It will be destroyed by the core after this function returns.
*/
static void on_execute_complete_event(switch_event_t *event)
{
const char *application = switch_event_get_header(event, "Application");
if (!zstr(application) && (!strcmp(application, "rxfax") || !strcmp(application, "txfax"))) {
int is_rxfax = !strcmp(application, "rxfax");
const char *uuid = switch_event_get_header(event, "Unique-ID");
const char *fax_jid = switch_event_get_header(event, "variable_rayo_fax_jid");
struct rayo_actor *component;
if (!zstr(fax_jid) && (component = RAYO_LOCATE(fax_jid))) {
iks *result;
iks *complete;
iks *fax;
int have_fax_document = 1;
switch_core_session_t *session;
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(uuid), SWITCH_LOG_DEBUG, "Got result for %s\n", fax_jid);
/* clean up channel */
session = switch_core_session_locate(uuid);
if (session) {
switch_channel_set_variable(switch_core_session_get_channel(session), "rayo_read_frame_interrupt", NULL);
switch_core_session_rwunlock(session);
}
/* RX only: transfer HTTP document and delete local copy */
if (is_rxfax && RECEIVEFAX_COMPONENT(component)->http_put_after_receive && switch_file_exists(RECEIVEFAX_COMPONENT(component)->local_filename, RAYO_POOL(component)) == SWITCH_STATUS_SUCCESS) {
switch_stream_handle_t stream = { 0 };
SWITCH_STANDARD_STREAM(stream);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s PUT fax to %s\n", RAYO_JID(component), RECEIVEFAX_COMPONENT(component)->filename);
switch_api_execute("http_put", RECEIVEFAX_COMPONENT(component)->filename, NULL, &stream);
/* check if successful */
if (!zstr(stream.data) && strncmp(stream.data, "+OK", 3)) {
/* PUT failed */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s PUT fax to %s failed: %s\n", RAYO_JID(component), RECEIVEFAX_COMPONENT(component)->filename, (char *)stream.data);
have_fax_document = 0;
}
switch_safe_free(stream.data)
switch_file_remove(RECEIVEFAX_COMPONENT(component)->local_filename, RAYO_POOL(component));
}
/* successful fax? */
if (have_fax_document && switch_true(switch_event_get_header(event, "variable_fax_success"))) {
result = rayo_component_create_complete_event(RAYO_COMPONENT(component), FAX_FINISH);
} else if (have_fax_document && FAX_COMPONENT(component)->stop) {
result = rayo_component_create_complete_event(RAYO_COMPONENT(component), COMPONENT_COMPLETE_STOP);
} else {
result = rayo_component_create_complete_event(RAYO_COMPONENT(component), COMPONENT_COMPLETE_ERROR);
}
complete = iks_find(result, "complete");
/* RX only: add fax document information */
if (is_rxfax && have_fax_document) {
const char *pages = switch_event_get_header(event, "variable_fax_document_transferred_pages");
if (!zstr(pages) && switch_is_number(pages) && atoi(pages) > 0) {
const char *resolution = switch_event_get_header(event, "variable_fax_file_image_resolution");
const char *size = switch_event_get_header(event, "variable_fax_image_size");
fax = iks_insert(complete, "fax");
iks_insert_attrib(fax, "xmlns", RAYO_FAX_COMPLETE_NS);
if (RECEIVEFAX_COMPONENT(component)->http_put_after_receive) {
iks_insert_attrib(fax, "url", RECEIVEFAX_COMPONENT(component)->filename);
} else {
/* convert absolute path to file:// URI */
iks_insert_attrib_printf(fax, "url", "file://%s", RECEIVEFAX_COMPONENT(component)->filename);
}
if (!zstr(resolution)) {
iks_insert_attrib(fax, "resolution", resolution);
}
if (!zstr(size)) {
iks_insert_attrib(fax, "size", size);
}
iks_insert_attrib(fax, "pages", pages);
}
}
/* add metadata from event */
insert_fax_metadata(event, "fax_success", complete);
insert_fax_metadata(event, "fax_result_code", complete);
insert_fax_metadata(event, "fax_result_text", complete);
insert_fax_metadata(event, "fax_document_transferred_pages", complete);
insert_fax_metadata(event, "fax_document_total_pages", complete);
insert_fax_metadata(event, "fax_image_resolution", complete);
insert_fax_metadata(event, "fax_image_size", complete);
insert_fax_metadata(event, "fax_bad_rows", complete);
insert_fax_metadata(event, "fax_transfer_rate", complete);
insert_fax_metadata(event, "fax_ecm_used", complete);
insert_fax_metadata(event, "fax_local_station_id", complete);
insert_fax_metadata(event, "fax_remote_station_id", complete);
/* flag faxing as done */
rayo_call_set_faxing(RAYO_CALL(RAYO_COMPONENT(component)->parent), 0);
rayo_component_send_complete_event(RAYO_COMPONENT(component), result);
RAYO_UNLOCK(component);
}
}
}
/**
* Start execution of call sendfax component
* @param call the call to send fax to
* @param msg the original request
* @param session_data the call's session
*/
static iks *start_sendfax_component(struct rayo_actor *call, struct rayo_message *msg, void *session_data)
{
iks *iq = msg->payload;
switch_core_session_t *session = (switch_core_session_t *)session_data;
struct fax_component *sendfax_component = NULL;
iks *sendfax = iks_find(iq, "sendfax");
iks *response = NULL;
switch_event_t *execute_event = NULL;
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_memory_pool_t *pool;
iks *document;
const char *fax_document;
const char *fax_header;
const char *fax_identity;
const char *pages;
/* validate attributes */
if (!VALIDATE_RAYO_SENDFAX(sendfax)) {
return iks_new_error(iq, STANZA_ERROR_BAD_REQUEST);
}
/* fax is only allowed if the call is not currently joined */
if (rayo_call_is_joined(RAYO_CALL(call))) {
return iks_new_error_detailed(iq, STANZA_ERROR_UNEXPECTED_REQUEST, "can't send fax on a joined call");
}
if (rayo_call_is_faxing(RAYO_CALL(call))) {
return iks_new_error_detailed(iq, STANZA_ERROR_UNEXPECTED_REQUEST, "fax already in progress");
}
/* get fax document */
document = iks_find(sendfax, "document");
if (!document) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "missing document");
}
fax_document = iks_find_attrib_soft(document, "url");
if (zstr(fax_document)) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "missing document url");
}
/* is valid URL type? */
if (!strncasecmp(fax_document, "http://", 7) || !strncasecmp(fax_document, "https://", 8)) {
switch_stream_handle_t stream = { 0 };
SWITCH_STANDARD_STREAM(stream);
/* need to fetch document from server... */
switch_api_execute("http_get", fax_document, session, &stream);
if (!zstr(stream.data) && !strncmp(fax_document, SWITCH_PATH_SEPARATOR, strlen(SWITCH_PATH_SEPARATOR))) {
fax_document = switch_core_session_strdup(session, stream.data);
} else {
switch_safe_free(stream.data);
return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to fetch document");
}
switch_safe_free(stream.data);
} else if (!strncasecmp(fax_document, "file://", 7)) {
fax_document = fax_document + 7;
if (zstr(fax_document)) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "invalid file:// url");
}
} else if (strncasecmp(fax_document, SWITCH_PATH_SEPARATOR, strlen(SWITCH_PATH_SEPARATOR))) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "unsupported url type");
}
/* does document exist? */
if (switch_file_exists(fax_document, pool) != SWITCH_STATUS_SUCCESS) {
return iks_new_error_detailed_printf(iq, STANZA_ERROR_BAD_REQUEST, "file not found: %s", fax_document);
}
/* get fax identity and header */
fax_identity = iks_find_attrib_soft(document, "identity");
if (!zstr(fax_identity)) {
switch_channel_set_variable(channel, "fax_ident", fax_identity);
} else {
switch_channel_set_variable(channel, "fax_ident", NULL);
}
fax_header = iks_find_attrib_soft(document, "header");
if (!zstr(fax_header)) {
switch_channel_set_variable(channel, "fax_header", fax_header);
} else {
switch_channel_set_variable(channel, "fax_header", NULL);
}
/* get pages to send */
pages = iks_find_attrib_soft(document, "pages");
if (!zstr(pages)) {
if (switch_regex_match(pages, "[1-9][0-9]*(-[1-9][0-9]*)?") == SWITCH_STATUS_FALSE) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "invalid pages value");
} else {
int start = 0;
int end = 0;
char *pages_dup = switch_core_session_strdup(session, pages);
char *sep = strchr(pages_dup, '-');
if (sep) {
*sep = '\0';
sep++;
end = atoi(sep);
}
start = atoi(pages_dup);
if (end && end < start) {
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "invalid pages value");
}
switch_channel_set_variable(channel, "fax_start_page", pages_dup);
switch_channel_set_variable(channel, "fax_end_page", sep);
}
} else {
switch_channel_set_variable(channel, "fax_start_page", NULL);
switch_channel_set_variable(channel, "fax_end_page", NULL);
}
/* create sendfax component */
switch_core_new_memory_pool(&pool);
sendfax_component = switch_core_alloc(pool, sizeof(*sendfax_component));
rayo_component_init((struct rayo_component *)sendfax_component, pool, RAT_CALL_COMPONENT, "sendfax", NULL, call, iks_find_attrib(iq, "from"));
/* add channel variable so that fax component can be located from fax events */
switch_channel_set_variable(channel, "rayo_fax_jid", RAYO_JID(sendfax_component));
/* clear fax result variables */
switch_channel_set_variable(channel, "fax_success", NULL);
switch_channel_set_variable(channel, "fax_result_code", NULL);
switch_channel_set_variable(channel, "fax_result_text", NULL);
switch_channel_set_variable(channel, "fax_document_transferred_pages", NULL);
switch_channel_set_variable(channel, "fax_document_total_pages", NULL);
switch_channel_set_variable(channel, "fax_image_resolution", NULL);
switch_channel_set_variable(channel, "fax_image_size", NULL);
switch_channel_set_variable(channel, "fax_bad_rows", NULL);
switch_channel_set_variable(channel, "fax_transfer_rate", NULL);
switch_channel_set_variable(channel, "fax_ecm_used", NULL);
switch_channel_set_variable(channel, "fax_local_station_id", NULL);
switch_channel_set_variable(channel, "fax_remote_station_id", NULL);
/* clear fax interrupt variable */
switch_channel_set_variable(switch_core_session_get_channel(session), "rayo_read_frame_interrupt", NULL);
rayo_call_set_faxing(RAYO_CALL(call), 1);
/* execute txfax APP */
if (switch_event_create(&execute_event, SWITCH_EVENT_COMMAND) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "call-command", "execute");
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "execute-app-name", "txfax");
switch_event_add_header_string(execute_event, SWITCH_STACK_BOTTOM, "execute-app-arg", fax_document);
if (!switch_channel_test_flag(channel, CF_PROXY_MODE)) {
switch_channel_set_flag(channel, CF_BLOCK_BROADCAST_UNTIL_MEDIA);
}
if (switch_core_session_queue_private_event(session, &execute_event, SWITCH_FALSE) != SWITCH_STATUS_SUCCESS) {
response = iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to txfax (queue event failed)");
if (execute_event) {
switch_event_destroy(&execute_event);
}
rayo_call_set_faxing(RAYO_CALL(call), 0);
RAYO_UNLOCK(sendfax_component);
} else {
/* component starting... */
rayo_component_send_start(RAYO_COMPONENT(sendfax_component), iq);
}
} else {
response = iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "failed to create txfax event");
rayo_call_set_faxing(RAYO_CALL(call), 0);
RAYO_UNLOCK(sendfax_component);
}
return response;
}
/**
* Stop execution of CPA component
*/
static iks *stop_cpa_component(struct rayo_actor *component, struct rayo_message *msg, void *data)
{
stop_cpa_detectors(CPA_COMPONENT(component));
rayo_component_send_complete(RAYO_COMPONENT(component), COMPONENT_COMPLETE_STOP);
return iks_new_iq_result(msg->payload);
}
/**
* Handle input failure.
*/
static iks *prompt_component_handle_input_error(struct rayo_actor *prompt, struct rayo_message *msg, void *data)
{
iks *iq = msg->payload;
iks *error = iks_find(iq, "error");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s (%s) input error\n",
RAYO_JID(prompt), prompt_component_state_to_string(PROMPT_COMPONENT(prompt)->state));
switch (PROMPT_COMPONENT(prompt)->state) {
case PCS_START_INPUT_TIMERS:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, <input> error: %s\n", RAYO_JID(prompt), iks_string(iks_stack(iq), iq));
PROMPT_COMPONENT(prompt)->state = PCS_DONE;
/* forward IQ error to client */
iq = PROMPT_COMPONENT(prompt)->iq;
iks_insert_attrib(iq, "from", RAYO_JID(RAYO_COMPONENT(prompt)->parent));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
iks_insert_node(iq, iks_copy_within(error, iks_stack(iq)));
RAYO_SEND_REPLY(prompt, RAYO_COMPONENT(prompt)->client_jid, iq);
/* done */
iks_delete(PROMPT_COMPONENT(prompt)->iq);
RAYO_UNLOCK(prompt);
RAYO_DESTROY(prompt);
break;
case PCS_START_INPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE;
iks_delete(PROMPT_COMPONENT(prompt)->iq);
if (iks_find(error, "item-not-found")) {
/* call is gone (hangup) */
rayo_component_send_complete(RAYO_COMPONENT(prompt), COMPONENT_COMPLETE_HANGUP);
} else {
/* send presence error to client */
rayo_component_send_complete(RAYO_COMPONENT(prompt), COMPONENT_COMPLETE_ERROR);
}
break;
case PCS_START_INPUT_OUTPUT:
PROMPT_COMPONENT(prompt)->state = PCS_DONE_STOP_OUTPUT;
/* forward IQ error to client */
iq = PROMPT_COMPONENT(prompt)->iq;
iks_insert_attrib(iq, "from", RAYO_JID(RAYO_COMPONENT(prompt)->parent));
iks_insert_attrib(iq, "to", RAYO_COMPONENT(prompt)->client_jid);
iks_insert_node(iq, iks_copy_within(error, iks_stack(iq)));
PROMPT_COMPONENT(prompt)->complete = iq;
rayo_component_send_stop(prompt, PROMPT_COMPONENT(prompt)->output_jid);
break;
case PCS_START_OUTPUT:
case PCS_START_OUTPUT_BARGE:
case PCS_INPUT_OUTPUT:
case PCS_STOP_OUTPUT:
case PCS_INPUT:
case PCS_OUTPUT:
case PCS_DONE_STOP_OUTPUT:
case PCS_DONE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s, unexpected start input error event\n", RAYO_JID(prompt));
break;
}
return NULL;
}
/**
* Start CPA
*/
iks *rayo_cpa_component_start(struct rayo_actor *call, struct rayo_message *msg, void *session_data)
{
iks *iq = msg->payload;
switch_core_session_t *session = (switch_core_session_t *)session_data;
iks *input = iks_find(iq, "input");
switch_memory_pool_t *pool = NULL;
struct cpa_component *component = NULL;
int have_grammar = 0;
iks *grammar = NULL;
/* create CPA component */
switch_core_new_memory_pool(&pool);
component = switch_core_alloc(pool, sizeof(*component));
component = CPA_COMPONENT(rayo_component_init((struct rayo_component *)component, pool, RAT_CALL_COMPONENT, "cpa", NULL, call, iks_find_attrib(iq, "from")));
if (!component) {
switch_core_destroy_memory_pool(&pool);
return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, "Failed to create CPA entity");
}
switch_core_hash_init(&component->signals);
/* start CPA detectors */
for (grammar = iks_find(input, "grammar"); grammar; grammar = iks_next_tag(grammar)) {
if (!strcmp("grammar", iks_name(grammar))) {
const char *error_str = "";
const char *url = iks_find_attrib_soft(grammar, "url");
char *url_dup;
char *url_params;
if (zstr(url)) {
stop_cpa_detectors(component);
RAYO_UNLOCK(component);
RAYO_DESTROY(component);
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "Missing grammar URL");
}
have_grammar = 1;
url_dup = strdup(url);
if ((url_params = strchr(url_dup, '?'))) {
*url_params = '\0';
url_params++;
}
if (switch_core_hash_find(component->signals, url)) {
free(url_dup);
stop_cpa_detectors(component);
RAYO_UNLOCK(component);
RAYO_DESTROY(component);
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "Duplicate URL");
}
/* start detector */
/* TODO return better reasons... */
if (rayo_cpa_detector_start(switch_core_session_get_uuid(session), url_dup, &error_str)) {
struct cpa_signal *cpa_signal = switch_core_alloc(pool, sizeof(*cpa_signal));
cpa_signal->terminate = !zstr(url_params) && strstr(url_params, "terminate=true");
cpa_signal->name = switch_core_strdup(pool, url_dup);
switch_core_hash_insert(component->signals, cpa_signal->name, cpa_signal);
subscribe(switch_core_session_get_uuid(session), cpa_signal->name, RAYO_JID(component));
} else {
free(url_dup);
stop_cpa_detectors(component);
RAYO_UNLOCK(component);
RAYO_DESTROY(component);
return iks_new_error_detailed(iq, STANZA_ERROR_INTERNAL_SERVER_ERROR, error_str);
}
free(url_dup);
}
}
if (!have_grammar) {
stop_cpa_detectors(component);
RAYO_UNLOCK(component);
RAYO_DESTROY(component);
return iks_new_error_detailed(iq, STANZA_ERROR_BAD_REQUEST, "No grammar defined");
}
/* acknowledge command */
rayo_component_send_start(RAYO_COMPONENT(component), iq);
/* TODO hangup race condition */
subscribe(switch_core_session_get_uuid(session), "hangup", RAYO_JID(component));
/* ready to forward detector events */
component->ready = 1;
return NULL;
}