static apt_bool_t recog_response_define_grammar(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
if(mrcp_resource_header_property_check(message,RECOGNIZER_HEADER_COMPLETION_CAUSE) != TRUE) {
mrcp_recog_header_t *recog_header = mrcp_resource_header_prepare(message);
recog_header->completion_cause = RECOGNIZER_COMPLETION_CAUSE_SUCCESS;
mrcp_resource_header_property_add(message,RECOGNIZER_HEADER_COMPLETION_CAUSE);
}
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_define_grammar(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process DEFINE-GRAMMAR Response [%d]",message->start_line.request_id);
if(mrcp_resource_header_property_check(message,RECOGNIZER_HEADER_COMPLETION_CAUSE) != TRUE) {
mrcp_recog_header_t *recog_header = mrcp_resource_header_prepare(message);
recog_header->completion_cause = RECOGNIZER_COMPLETION_CAUSE_SUCCESS;
mrcp_resource_header_property_add(message,RECOGNIZER_HEADER_COMPLETION_CAUSE);
}
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_recognize(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
if(message->start_line.request_state == MRCP_REQUEST_STATE_INPROGRESS) {
state_machine->recog = state_machine->active_request;
recog_state_change(state_machine,RECOGNIZER_STATE_RECOGNIZING,message);
}
if(state_machine->is_pending == TRUE) {
state_machine->is_pending = FALSE;
/* not to send the response for pending request */
return TRUE;
}
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_request_define_grammar(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
mrcp_message_t *response_message = mrcp_response_create(message,message->pool);
response_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_NOT_VALID;
return recog_response_dispatch(state_machine,response_message);
}
else if(state_machine->state == RECOGNIZER_STATE_RECOGNIZED) {
recog_state_change(state_machine,RECOGNIZER_STATE_IDLE,message);
}
return recog_request_dispatch(state_machine,message);
}
static apt_bool_t recog_request_recognition_start_timers(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *response_message;
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
/* found in-progress request */
return recog_request_dispatch(state_machine,message);
}
/* found no in-progress request */
response_message = mrcp_response_create(message,message->pool);
response_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_NOT_VALID;
return recog_response_dispatch(state_machine,response_message);
}
static apt_bool_t recog_request_recognition_start_timers(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *response_message;
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
/* found in-progress request */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process START-INPUT-TIMERS Request [%d]",message->start_line.request_id);
return recog_request_dispatch(state_machine,message);
}
/* found no in-progress request */
response_message = mrcp_response_create(message,message->pool);
response_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_NOT_VALID;
return recog_response_dispatch(state_machine,response_message);
}
static apt_bool_t recog_request_get_result(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *response_message;
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZED) {
/* found recognized request */
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process GET-RESULT Request [%d]",message->start_line.request_id);
return recog_request_dispatch(state_machine,message);
}
/* found no recognized request */
response_message = mrcp_response_create(message,message->pool);
response_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_NOT_VALID;
return recog_response_dispatch(state_machine,response_message);
}
static apt_bool_t recog_request_define_grammar(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
mrcp_message_t *response_message = mrcp_response_create(message,message->pool);
response_message->start_line.status_code = MRCP_STATUS_CODE_METHOD_NOT_VALID;
return recog_response_dispatch(state_machine,response_message);
}
else if(state_machine->state == RECOGNIZER_STATE_RECOGNIZED) {
recog_state_change(state_machine,RECOGNIZER_STATE_IDLE);
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process DEFINE-GRAMMAR Request [%d]",message->start_line.request_id);
return recog_request_dispatch(state_machine,message);
}
static apt_bool_t recog_request_recognize(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_header_inherit(&message->header,&state_machine->properties,message->pool);
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
mrcp_message_t *response;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Queue Up RECOGNIZE Request [%d]",message->start_line.request_id);
message->start_line.request_state = MRCP_REQUEST_STATE_PENDING;
apt_list_push_back(state_machine->queue,message,message->pool);
response = mrcp_response_create(message,message->pool);
response->start_line.request_state = MRCP_REQUEST_STATE_PENDING;
return recog_response_dispatch(state_machine,response);
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process RECOGNIZE Request [%d]",message->start_line.request_id);
return recog_request_dispatch(state_machine,message);
}
static apt_bool_t recog_request_recognize(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_header_fields_inherit(&message->header,state_machine->properties,message->pool);
if(state_machine->state == RECOGNIZER_STATE_RECOGNIZING) {
mrcp_message_t *response;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Queue Up RECOGNIZE Request "APT_SIDRES_FMT" [%"MRCP_REQUEST_ID_FMT"]",
MRCP_MESSAGE_SIDRES(message),
message->start_line.request_id);
message->start_line.request_state = MRCP_REQUEST_STATE_PENDING;
apt_list_push_back(state_machine->queue,message,message->pool);
response = mrcp_response_create(message,message->pool);
response->start_line.request_state = MRCP_REQUEST_STATE_PENDING;
return recog_response_dispatch(state_machine,response);
}
return recog_request_dispatch(state_machine,message);
}
static apt_bool_t recog_response_stop(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_message_t *pending_request;
mrcp_generic_header_t *generic_header = mrcp_generic_header_prepare(message);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process STOP Response [%d]",message->start_line.request_id);
/* append active id list */
active_request_id_list_append(generic_header,state_machine->recog->start_line.request_id);
mrcp_generic_header_property_add(message,GENERIC_HEADER_ACTIVE_REQUEST_ID_LIST);
recog_pending_requests_remove(state_machine,state_machine->active_request,message);
recog_state_change(state_machine,RECOGNIZER_STATE_IDLE);
recog_response_dispatch(state_machine,message);
/* process pending RECOGNIZE requests / if any */
pending_request = apt_list_pop_front(state_machine->queue);
if(pending_request) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process Pending RECOGNIZE Request [%d]",pending_request->start_line.request_id);
state_machine->is_pending = TRUE;
recog_request_dispatch(state_machine,pending_request);
}
return TRUE;
}
/** Update state according to received outgoing response from recognition engine */
static apt_bool_t recog_response_state_update(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
recog_method_f method;
if(!state_machine->active_request) {
/* unexpected response, no active request waiting for response */
return FALSE;
}
if(state_machine->active_request->start_line.request_id != message->start_line.request_id) {
/* unexpected response, request id doesn't match */
return FALSE;
}
if(message->start_line.method_id >= RECOGNIZER_METHOD_COUNT) {
return FALSE;
}
method = recog_response_method_array[message->start_line.method_id];
if(method) {
return method(state_machine,message);
}
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_get_result(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_get_params(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
mrcp_header_fields_get(&message->header,state_machine->properties,&state_machine->active_request->header,message->pool);
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_recognition_start_timers(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process START-INPUT-TIMERS Response [%d]",message->start_line.request_id);
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_get_result(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process GET-RESULT Response [%d]",message->start_line.request_id);
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_recognition_start_timers(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
return recog_response_dispatch(state_machine,message);
}
static apt_bool_t recog_response_set_params(mrcp_recog_state_machine_t *state_machine, mrcp_message_t *message)
{
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Process SET-PARAMS Response [%d]",message->start_line.request_id);
return recog_response_dispatch(state_machine,message);
}
