2 * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd All Rights Reserved
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 * http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
15 #include <sound_manager.h>
16 #include <wav_player.h>
18 #include "stt_network.h"
19 #include "sttd_client_data.h"
20 #include "sttd_config.h"
21 #include "sttd_dbus.h"
22 #include "sttd_engine_agent.h"
23 #include "sttd_main.h"
24 #include "sttd_recorder.h"
25 #include "sttd_server.h"
27 static pthread_mutex_t sttpe_result_mutex = PTHREAD_MUTEX_INITIALIZER;
28 static pthread_mutex_t sttpe_result_time_mutex = PTHREAD_MUTEX_INITIALIZER;
32 * STT Server static variable
34 static double g_processing_timeout = 30;
36 static double g_recording_timeout = 60;
38 Ecore_Timer* g_recording_timer = NULL;
39 Ecore_Timer* g_processing_timer = NULL;
41 static int g_recording_log_count = 0;
43 static GList *g_proc_list = NULL;
46 * STT Server Callback Functions
48 void __stop_by_silence(void *data)
50 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by silence detection");
54 uid = stt_client_get_current_recognition();
58 ret = sttd_server_stop(uid);
63 if (STTD_RESULT_STATE_DONE == ret) {
64 ret = sttdc_send_set_state(uid, (int)APP_STATE_PROCESSING);
66 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send state : result(%d)", ret);
69 sttd_server_finalize(uid);
70 stt_client_unset_current_recognition();
74 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid is NOT valid");
77 SLOG(LOG_DEBUG, TAG_STTD, "=====");
78 SLOG(LOG_DEBUG, TAG_STTD, " ");
83 static void __cancel_recognition_internal()
85 if (NULL != g_recording_timer) {
86 ecore_timer_del(g_recording_timer);
87 g_recording_timer = NULL;
91 uid = stt_client_get_current_recognition();
94 /* cancel engine recognition */
95 int ret = sttd_engine_agent_recognize_cancel(uid);
97 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
100 /* change uid state */
101 sttd_client_set_state(uid, APP_STATE_READY);
102 stt_client_unset_current_recognition();
104 ret = sttdc_send_set_state(uid, (int)APP_STATE_READY);
106 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send state change : result(%d)", ret);
109 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid is NOT valid");
113 static void __cancel_by_error(void *data)
115 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by error");
117 __cancel_recognition_internal();
119 SLOG(LOG_DEBUG, TAG_STTD, "=====");
120 SLOG(LOG_DEBUG, TAG_STTD, " ");
125 int __server_audio_recorder_callback(const void* data, const unsigned int length)
130 if (NULL == data || 0 == length) {
131 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Recording data is not valid");
132 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
136 uid = stt_client_get_current_recognition();
138 ret = sttd_engine_agent_set_recording_data(uid, data, length);
140 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
143 g_recording_log_count++;
144 if (200 <= g_recording_log_count) {
145 SLOG(LOG_DEBUG, TAG_STTD, "=== Set recording data ===");
146 g_recording_log_count = 0;
149 if (NULL != g_recording_timer) {
150 ecore_timer_del(g_recording_timer);
151 g_recording_timer = NULL;
153 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current uid in recording is is not valid");
160 void __server_audio_interrupt_callback()
162 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by sound interrupt");
164 __cancel_recognition_internal();
166 SLOG(LOG_DEBUG, TAG_STTD, "=====");
167 SLOG(LOG_DEBUG, TAG_STTD, " ");
170 void __cancel_by_no_record(void *data)
172 SLOG(LOG_DEBUG, TAG_STTD, "===== Cancel by no record");
174 __cancel_recognition_internal();
176 SLOG(LOG_DEBUG, TAG_STTD, "=====");
177 SLOG(LOG_DEBUG, TAG_STTD, " ");
182 void __server_recognition_result_callback(sttp_result_event_e event, const char* type,
183 const char** data, int data_count, const char* msg, void *user_data)
186 pthread_mutex_lock(&sttpe_result_mutex);
188 SLOG(LOG_DEBUG, TAG_STTD, "===== RESULT event[%d] type[%s] data[%p] data_count[%d]", event, type, data, data_count);
191 int uid = stt_client_get_current_recognition();
194 if (0 == uid || 0 != sttd_client_get_state(uid, &state)) {
195 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
196 SLOG(LOG_DEBUG, TAG_STTD, "=====");
197 SLOG(LOG_DEBUG, TAG_STTD, " ");
198 pthread_mutex_unlock(&sttpe_result_mutex);
202 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid (%d), event(%d)", uid, event);
204 /* send result to client */
205 if (STTP_RESULT_EVENT_FINAL_RESULT == event) {
206 if (APP_STATE_PROCESSING != state) {
207 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is NOT 'Processing'.");
209 SLOG(LOG_DEBUG, TAG_STTD, "[Server] the size of result from engine is '%d'", data_count);
211 /* Delete timer for processing time out */
212 if (NULL != g_processing_timer) {
213 ecore_timer_del(g_processing_timer);
214 g_processing_timer = NULL;
217 sttd_config_time_save();
218 sttd_config_time_reset();
220 if (NULL == data || 0 == data_count) {
221 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
222 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
223 int reason = (int)STTD_ERROR_OPERATION_FAILED;
225 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
226 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
230 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
231 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
232 int reason = (int)STTD_ERROR_OPERATION_FAILED;
234 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
235 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
240 /* change state of uid */
241 sttd_client_set_state(uid, APP_STATE_READY);
242 stt_client_unset_current_recognition();
244 } else if (STTP_RESULT_EVENT_PARTIAL_RESULT == event) {
245 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The partial result from engine is event[%d] data_count[%d]", event, data_count);
247 sttd_config_time_save();
248 sttd_config_time_reset();
250 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
251 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
252 int reason = (int)STTD_ERROR_OPERATION_FAILED;
254 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
255 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
259 } else if (STTP_RESULT_EVENT_ERROR == event) {
260 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The event of recognition result is ERROR");
262 /* Delete timer for processing time out */
263 if (NULL != g_processing_timer) {
264 ecore_timer_del(g_processing_timer);
265 g_processing_timer = NULL;
267 sttd_config_time_reset();
269 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
270 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
273 int reason = (int)STTD_ERROR_INVALID_STATE;
274 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
275 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
279 /* change state of uid */
280 sttd_client_set_state(uid, APP_STATE_READY);
281 stt_client_unset_current_recognition();
286 SLOG(LOG_DEBUG, TAG_STTD, "=====");
287 SLOG(LOG_DEBUG, TAG_STTD, " ");
288 pthread_mutex_unlock(&sttpe_result_mutex);
293 bool __server_result_time_callback(int index, sttp_result_time_event_e event, const char* text, long start_time, long end_time, void* user_data)
295 pthread_mutex_lock(&sttpe_result_time_mutex);
297 SLOG(LOG_DEBUG, TAG_STTD, "[Server] index(%d) event(%d) text(%s) start(%ld) end(%ld)",
298 index, event, text, start_time, end_time);
302 ret = sttd_config_time_add(index, (int)event, text, start_time, end_time);
304 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add time info");
305 pthread_mutex_unlock(&sttpe_result_time_mutex);
309 pthread_mutex_unlock(&sttpe_result_time_mutex);
313 pthread_mutex_unlock(&sttpe_result_time_mutex);
318 void __server_silence_dectection_callback(sttp_silence_type_e type, void *user_param)
320 SLOG(LOG_DEBUG, TAG_STTD, "===== Silence Detection Callback");
322 int uid = stt_client_get_current_recognition();
325 if (0 != sttd_client_get_state(uid, &state)) {
326 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is not valid ");
330 if (APP_STATE_RECORDING != state) {
331 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
335 if (STTP_SILENCE_TYPE_NO_RECORD_TIMEOUT == type) {
336 SLOG(LOG_DEBUG, TAG_STTD, "Silence Detection type - No Record");
337 ecore_main_loop_thread_safe_call_async(__cancel_by_no_record, NULL);
338 } else if (STTP_SILENCE_TYPE_END_OF_SPEECH_DETECTED == type) {
339 SLOG(LOG_DEBUG, TAG_STTD, "Silence Detection type - End of Speech");
340 ecore_main_loop_thread_safe_call_async(__stop_by_silence, NULL);
343 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current recogntion uid is not valid ");
346 SLOG(LOG_DEBUG, TAG_STTD, "=====");
347 SLOG(LOG_DEBUG, TAG_STTD, " ");
352 void __sttd_server_engine_changed_cb(const char* engine_id, const char* language, bool support_silence, bool need_credential, void* user_data)
354 if (NULL == engine_id) {
355 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Engine id is NULL");
358 SLOG(LOG_DEBUG, TAG_STTD, "[Server] New default engine : %s", engine_id);
361 /* need to change state of app to ready */
363 uid = stt_client_get_current_recognition();
366 SLOG(LOG_ERROR, TAG_STTD, "[Server] Set ready state of uid(%d)", uid);
368 sttd_server_cancel(uid);
369 sttdc_send_set_state(uid, (int)APP_STATE_READY);
371 stt_client_unset_current_recognition();
375 int ret = sttd_engine_agent_set_default_engine(engine_id);
377 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : result(%d)", ret);
379 if (NULL != language) {
380 ret = sttd_engine_agent_set_default_language(language);
382 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
385 ret = sttd_engine_agent_set_silence_detection(support_silence);
387 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
392 void __sttd_server_language_changed_cb(const char* language, void* user_data)
394 if (NULL == language) {
395 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] language is NULL");
398 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get language changed : %s", language);
401 int ret = sttd_engine_agent_set_default_language(language);
403 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
408 void __sttd_server_silence_changed_cb(bool value, void* user_data)
410 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get silence detection changed : %s", value ? "on" : "off");
413 ret = sttd_engine_agent_set_silence_detection(value);
415 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
424 int sttd_initialize()
428 if (0 != pthread_mutex_init(&sttpe_result_mutex, NULL)) {
429 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize sttpe result mutex.");
432 if (0 != pthread_mutex_init(&sttpe_result_time_mutex, NULL)) {
433 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize sttpe sttpe_result_time_mutex.");
436 if (sttd_config_initialize(__sttd_server_engine_changed_cb, __sttd_server_language_changed_cb,
437 __sttd_server_silence_changed_cb, NULL)) {
438 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize config.");
441 ret = sttd_recorder_initialize(__server_audio_recorder_callback, __server_audio_interrupt_callback);
443 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize recorder : result(%d)", ret);
446 /* Engine Agent initialize */
447 ret = sttd_engine_agent_init(__server_recognition_result_callback, __server_result_time_callback,
448 __server_silence_dectection_callback);
450 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
454 /* Update engine list */
455 ret = sttd_engine_agent_initialize_engine_list();
457 if (STTD_ERROR_ENGINE_NOT_FOUND == ret) {
458 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] There is no stt engine");
460 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to update engine list : %d", ret);
465 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] initialize");
472 if (0 != pthread_mutex_destroy(&sttpe_result_mutex)) {
473 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy sttpe result mutex.");
476 if (0 != pthread_mutex_destroy(&sttpe_result_time_mutex)) {
477 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy sttpe_result_time_mutex.");
481 if (0 < g_list_length(g_proc_list)) {
482 iter = g_list_first(g_proc_list);
483 while (NULL != iter) {
484 g_proc_list = g_list_remove_link(g_proc_list, iter);
485 iter = g_list_first(g_proc_list);
489 sttd_recorder_deinitialize();
491 sttd_config_finalize();
493 sttd_engine_agent_release();
495 return STTD_ERROR_NONE;
498 static void __read_proc()
502 struct dirent *dirp = NULL;
507 if (0 < g_list_length(g_proc_list)) {
508 iter = g_list_first(g_proc_list);
509 while (NULL != iter) {
510 g_proc_list = g_list_remove_link(g_proc_list, iter);
511 iter = g_list_first(g_proc_list);
515 dp = opendir("/proc");
517 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to open proc");
520 ret = readdir_r(dp, &entry, &dirp);
522 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to readdir");
527 tmp = atoi(dirp->d_name);
528 if (0 >= tmp) continue;
529 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
531 } while (NULL != dirp);
537 Eina_Bool sttd_cleanup_client(void *data)
539 int* client_list = NULL;
540 int client_count = 0;
545 if (0 != sttd_client_get_list(&client_list, &client_count)) {
546 if (NULL != client_list)
552 if (NULL != client_list) {
553 SLOG(LOG_DEBUG, TAG_STTD, "===== Clean up client ");
557 for (i = 0; i < client_count; i++) {
558 int pid = sttd_client_get_pid(client_list[i]);
560 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Invalid pid");
566 for (j = 0; j < g_list_length(g_proc_list); j++) {
567 iter = g_list_nth(g_proc_list, j);
569 if (pid == GPOINTER_TO_INT(iter->data)) {
570 SLOG(LOG_DEBUG, TAG_STTD, "uid (%d) is running", client_list[i]);
577 if (false == exist) {
578 SLOG(LOG_ERROR, TAG_STTD, "uid (%d) should be removed", client_list[i]);
579 sttd_server_finalize(client_list[i]);
582 result = sttdc_send_hello(client_list[i]);
585 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", client_list[i]);
586 sttd_server_finalize(client_list[i]);
587 } else if (-1 == result) {
588 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Hello result has error");
593 SLOG(LOG_DEBUG, TAG_STTD, "=====");
594 SLOG(LOG_DEBUG, TAG_STTD, " ");
603 * STT Server Functions for Client
606 int sttd_server_initialize(int pid, int uid, bool* silence, bool* credential)
608 if (false == sttd_engine_agent_is_default_engine()) {
609 /* Update installed engine */
610 sttd_engine_agent_initialize_engine_list();
612 if (false == sttd_engine_agent_is_default_engine()) {
613 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] No stt-engine");
614 return STTD_ERROR_ENGINE_NOT_FOUND;
618 /* check if uid is valid */
620 if (0 == sttd_client_get_state(uid, &state)) {
621 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid has already been registered");
622 return STTD_ERROR_NONE;
626 if (0 != sttd_engine_agent_load_current_engine(uid, NULL)) {
627 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to load default engine");
628 return STTD_ERROR_OPERATION_FAILED;
631 if (0 != sttd_engine_agent_get_option_supported(uid, silence)) {
632 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine options supported");
633 return STTD_ERROR_OPERATION_FAILED;
636 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
637 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
638 return STTD_ERROR_OPERATION_FAILED;
641 /* Add client information to client manager */
642 if (0 != sttd_client_add(pid, uid)) {
643 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add client info");
644 return STTD_ERROR_OPERATION_FAILED;
647 return STTD_ERROR_NONE;
650 static Eina_Bool __quit_ecore_loop(void *data)
652 ecore_main_loop_quit();
656 int sttd_server_finalize(int uid)
658 /* check if uid is valid */
660 if (0 != sttd_client_get_state(uid, &state)) {
661 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
662 return STTD_ERROR_INVALID_PARAMETER;
665 /* release recorder */
666 if (APP_STATE_RECORDING == state || APP_STATE_PROCESSING == state) {
667 if (APP_STATE_RECORDING == state) {
668 if (NULL != g_recording_timer) {
669 ecore_timer_del(g_recording_timer);
670 g_recording_timer = NULL;
674 if (APP_STATE_PROCESSING == state) {
675 if (NULL != g_processing_timer) {
676 ecore_timer_del(g_processing_timer);
677 g_processing_timer = NULL;
681 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
682 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognition");
685 stt_client_unset_current_recognition();
688 if (0 != sttd_engine_agent_unload_current_engine(uid)) {
689 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unload engine");
692 /* Remove client information */
693 if (0 != sttd_client_delete(uid)) {
694 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to delete client");
697 /* unload engine, if ref count of client is 0 */
698 if (0 == sttd_client_get_ref_count()) {
699 sttd_dbus_close_connection();
700 ecore_timer_add(0, __quit_ecore_loop, NULL);
703 return STTD_ERROR_NONE;
706 int sttd_server_get_supported_engines(int uid, GSList** engine_list)
708 /* Check if uid is valid */
710 if (0 != sttd_client_get_state(uid, &state)) {
711 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
712 return STTD_ERROR_INVALID_PARAMETER;
715 /* Check state of uid */
716 if (APP_STATE_READY != state) {
717 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
718 return STTD_ERROR_INVALID_STATE;
722 ret = sttd_engine_agent_get_engine_list(engine_list);
724 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine list");
725 return STTD_ERROR_OPERATION_FAILED;
728 return STTD_ERROR_NONE;
731 int sttd_server_set_current_engine(int uid, const char* engine_id, bool* silence, bool* credential)
733 /* Check if uid is valid */
735 if (0 != sttd_client_get_state(uid, &state)) {
736 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
737 return STTD_ERROR_INVALID_PARAMETER;
740 /* Check state of uid */
741 if (APP_STATE_READY != state) {
742 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
743 return STTD_ERROR_INVALID_STATE;
747 ret = sttd_engine_agent_load_current_engine(uid, engine_id);
749 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : %d", ret);
750 return STTD_ERROR_OPERATION_FAILED;
753 ret = sttd_engine_agent_get_option_supported(uid, silence);
755 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine options : %d", ret);
756 return STTD_ERROR_OPERATION_FAILED;
759 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
760 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
761 return STTD_ERROR_OPERATION_FAILED;
764 return STTD_ERROR_NONE;
767 int sttd_server_get_current_engine(int uid, char** engine_id)
769 /* Check if uid is valid */
771 if (0 != sttd_client_get_state(uid, &state)) {
772 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
773 return STTD_ERROR_INVALID_PARAMETER;
776 /* Check state of uid */
777 if (APP_STATE_READY != state) {
778 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
779 return STTD_ERROR_INVALID_STATE;
783 ret = sttd_engine_agent_get_current_engine(uid, engine_id);
785 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine : %d", ret);
786 return STTD_ERROR_OPERATION_FAILED;
789 return STTD_ERROR_NONE;
792 int sttd_server_check_app_agreed(int uid, const char* appid, bool* available)
794 /* Check if uid is valid */
796 if (0 != sttd_client_get_state(uid, &state)) {
797 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
798 return STTD_ERROR_INVALID_PARAMETER;
801 /* Check state of uid */
802 if (APP_STATE_READY != state) {
803 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
804 return STTD_ERROR_INVALID_STATE;
807 /* Ask engine available */
810 ret = sttd_engine_agent_check_app_agreed(uid, appid, &temp);
812 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
813 return STTD_ERROR_OPERATION_FAILED;
817 stt_client_set_app_agreed(uid);
818 SLOG(LOG_DEBUG, TAG_STTD, "[Server] App(%s) confirmed that engine is available", appid);
823 return STTD_ERROR_NONE;
827 int sttd_server_get_supported_languages(int uid, GSList** lang_list)
829 /* check if uid is valid */
831 if (0 != sttd_client_get_state(uid, &state)) {
832 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
833 return STTD_ERROR_INVALID_PARAMETER;
836 /* get language list from engine */
837 int ret = sttd_engine_agent_supported_langs(uid, lang_list);
839 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get supported languages");
840 return STTD_ERROR_OPERATION_FAILED;
843 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] sttd_server_get_supported_languages");
845 return STTD_ERROR_NONE;
848 int sttd_server_get_current_langauage(int uid, char** current_lang)
850 /* check if uid is valid */
852 if (0 != sttd_client_get_state(uid, &state)) {
853 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
854 return STTD_ERROR_INVALID_PARAMETER;
857 if (NULL == current_lang) {
858 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
859 return STTD_ERROR_INVALID_PARAMETER;
862 /*get current language from engine */
863 int ret = sttd_engine_agent_get_default_lang(uid, current_lang);
865 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get default language :result(%d)", ret);
866 return STTD_ERROR_OPERATION_FAILED;
869 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get default language");
871 return STTD_ERROR_NONE;
874 int sttd_server_is_recognition_type_supported(int uid, const char* type, int* support)
876 /* check if uid is valid */
878 if (0 != sttd_client_get_state(uid, &state)) {
879 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
880 return STTD_ERROR_INVALID_PARAMETER;
883 if (NULL == type || NULL == support) {
884 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
885 return STTD_ERROR_INVALID_PARAMETER;
889 int ret = sttd_engine_agent_is_recognition_type_supported(uid, type, &temp);
891 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get recognition type supported : result(%d)", ret);
892 return STTD_ERROR_OPERATION_FAILED;
895 *support = (int)temp;
897 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] recognition type supporting is %s", *support ? "true" : "false");
899 return STTD_ERROR_NONE;
902 int sttd_server_set_start_sound(int uid, const char* file)
904 /* check if uid is valid */
906 if (0 != sttd_client_get_state(uid, &state)) {
907 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
908 return STTD_ERROR_INVALID_PARAMETER;
911 int ret = sttd_client_set_start_sound(uid, file);
913 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
914 return STTD_ERROR_OPERATION_FAILED;
920 int sttd_server_set_stop_sound(int uid, const char* file)
922 /* check if uid is valid */
924 if (0 != sttd_client_get_state(uid, &state)) {
925 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
926 return STTD_ERROR_INVALID_PARAMETER;
929 int ret = sttd_client_set_stop_sound(uid, file);
931 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
932 return STTD_ERROR_OPERATION_FAILED;
939 Eina_Bool __check_recording_state(void *data)
942 int uid = stt_client_get_current_recognition();
947 if (0 != sttdc_send_get_state(uid, (int*)&state)) {
948 /* client is removed */
949 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", uid);
950 sttd_server_finalize(uid);
954 if (APP_STATE_READY == state) {
956 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Ready'. The daemon should cancel recording", uid);
957 sttd_server_cancel(uid);
958 } else if (APP_STATE_PROCESSING == state) {
959 /* Cancel stt and send change state */
960 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Processing'. The daemon should cancel recording", uid);
961 sttd_server_cancel(uid);
962 sttdc_send_set_state(uid, (int)APP_STATE_READY);
965 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The states of daemon and client are identical");
973 Eina_Bool __stop_by_recording_timeout(void *data)
975 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by timeout");
977 g_recording_timer = NULL;
980 uid = stt_client_get_current_recognition();
982 /* cancel engine recognition */
983 int ret = sttd_server_stop(uid);
985 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop : result(%d)", ret);
989 SLOG(LOG_DEBUG, TAG_STTD, "=====");
990 SLOG(LOG_DEBUG, TAG_STTD, " ");
995 void __sttd_server_recorder_start(void* data)
997 intptr_t puid = (intptr_t)data;
999 int current_uid = stt_client_get_current_recognition();
1001 if (uid != current_uid) {
1002 stt_client_unset_current_recognition();
1006 int ret = sttd_engine_agent_recognize_start_recorder(uid);
1008 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1012 /* Notify uid state change */
1013 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1015 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1018 void __sttd_start_sound_completed_cb(int id, void *user_data)
1020 SLOG(LOG_DEBUG, TAG_STTD, "===== Start sound completed");
1022 /* After wav play callback, recorder start */
1023 ecore_main_loop_thread_safe_call_async(__sttd_server_recorder_start, user_data);
1025 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1026 SLOG(LOG_DEBUG, TAG_STTD, " ");
1030 int sttd_server_start(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential)
1032 if (NULL == lang || NULL == recognition_type) {
1033 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1034 return STTD_ERROR_INVALID_PARAMETER;
1037 /* check if uid is valid */
1039 if (0 != sttd_client_get_state(uid, &state)) {
1040 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1041 return STTD_ERROR_INVALID_PARAMETER;
1044 /* check uid state */
1045 if (APP_STATE_READY != state) {
1046 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1047 return STTD_ERROR_INVALID_STATE;
1051 if (false == stt_client_get_app_agreed(uid)) {
1053 ret = sttd_engine_agent_check_app_agreed(uid, appid, &temp);
1055 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1056 return STTD_ERROR_OPERATION_FAILED;
1059 if (false == temp) {
1060 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1061 return STTD_ERROR_PERMISSION_DENIED;
1064 stt_client_set_app_agreed(uid);
1067 /* check if engine use network */
1068 if (true == sttd_engine_agent_need_network(uid)) {
1069 if (false == stt_network_is_connected()) {
1070 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1071 return STTD_ERROR_OUT_OF_NETWORK;
1076 if (0 != sttd_client_get_start_sound(uid, &sound)) {
1077 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1078 return STTD_ERROR_OPERATION_FAILED;
1081 if (0 != stt_client_set_current_recognition(uid)) {
1082 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1083 if (NULL != sound) free(sound);
1084 return STTD_ERROR_RECORDER_BUSY;
1087 /* engine start recognition */
1088 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s)",
1089 uid, lang, recognition_type);
1091 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start sound : %s", sound);
1093 /* 1. Set audio session */
1094 ret = sttd_recorder_set_audio_session();
1096 stt_client_unset_current_recognition();
1097 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1098 if (NULL != sound) free(sound);
1102 bool is_sound_done = false;
1104 /* 2. Request wav play */
1105 if (NULL != sound) {
1107 intptr_t puid = (intptr_t)uid;
1108 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_start_sound_completed_cb, (void*)puid, &id);
1109 if (WAV_PLAYER_ERROR_NONE != ret) {
1110 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1111 is_sound_done = true;
1116 is_sound_done = true;
1119 /* 3. Create recorder & engine initialize */
1120 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, credential, NULL);
1122 stt_client_unset_current_recognition();
1123 sttd_recorder_unset_audio_session();
1124 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1128 if (0 != strcmp(STTP_RECOGNITION_TYPE_FREE_PARTIAL, recognition_type)) {
1129 g_recording_timer = ecore_timer_add(g_recording_timeout, __stop_by_recording_timeout, NULL);
1132 /* change uid state */
1133 sttd_client_set_state(uid, APP_STATE_RECORDING);
1135 g_recording_log_count = 0;
1137 if (true == is_sound_done) {
1138 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1140 ret = sttd_engine_agent_recognize_start_recorder(uid);
1142 stt_client_unset_current_recognition();
1143 sttd_recorder_unset_audio_session();
1145 sttd_engine_agent_recognize_cancel(uid);
1146 ecore_timer_del(g_recording_timer);
1147 sttd_client_set_state(uid, APP_STATE_READY);
1149 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1150 return STTD_ERROR_OPERATION_FAILED;
1153 /* Notify uid state change */
1154 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1156 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1157 return STTD_RESULT_STATE_DONE;
1160 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Wait sound finish");
1162 return STTD_RESULT_STATE_NOT_DONE;
1165 Eina_Bool __time_out_for_processing(void *data)
1167 g_processing_timer = NULL;
1170 int uid = stt_client_get_current_recognition();
1171 if (0 == uid) return EINA_FALSE;
1174 int ret = sttd_engine_agent_recognize_cancel(uid);
1176 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1179 if (0 != sttdc_send_result(uid, STTP_RESULT_EVENT_FINAL_RESULT, NULL, 0, "Time out not to receive recognition result.")) {
1180 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
1182 /* send error msg */
1183 int reason = (int)STTD_ERROR_TIMED_OUT;
1184 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
1185 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
1189 /* Change uid state */
1190 sttd_client_set_state(uid, APP_STATE_READY);
1192 stt_client_unset_current_recognition();
1197 void __sttd_server_engine_stop(void* data)
1199 intptr_t puid = (intptr_t)data;
1200 int uid = (int)puid;
1201 /* change uid state */
1202 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1204 /* Notify uid state change */
1205 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1207 /* Unset audio session */
1208 int ret = sttd_recorder_unset_audio_session();
1210 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1215 ret = sttd_engine_agent_recognize_stop_engine(uid);
1217 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1221 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1224 void __sttd_stop_sound_completed_cb(int id, void *user_data)
1226 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop sound completed");
1228 /* After wav play callback, engine stop */
1229 ecore_main_loop_thread_safe_call_async(__sttd_server_engine_stop, user_data);
1231 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1232 SLOG(LOG_DEBUG, TAG_STTD, " ");
1236 int sttd_server_stop(int uid)
1238 /* check if uid is valid */
1240 if (0 != sttd_client_get_state(uid, &state)) {
1241 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1242 return STTD_ERROR_INVALID_PARAMETER;
1245 /* check uid state */
1246 if (APP_STATE_RECORDING != state) {
1247 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
1248 return STTD_ERROR_INVALID_STATE;
1251 if (NULL != g_recording_timer) {
1252 ecore_timer_del(g_recording_timer);
1253 g_recording_timer = NULL;
1257 if (0 != sttd_client_get_stop_sound(uid, &sound)) {
1258 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1259 return STTD_ERROR_OPERATION_FAILED;
1262 SLOG(LOG_DEBUG, TAG_STTD, "[Server] stop sound path : %s", sound);
1265 /* 1. Stop recorder */
1266 ret = sttd_engine_agent_recognize_stop_recorder(uid);
1268 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1269 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
1270 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognize");
1272 if (NULL != sound) free(sound);
1273 return STTD_ERROR_OPERATION_FAILED;
1276 /* 2. Request wav play */
1277 if (NULL != sound) {
1279 intptr_t puid = (intptr_t)uid;
1280 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_stop_sound_completed_cb, (void*)puid, &id);
1281 if (WAV_PLAYER_ERROR_NONE != ret) {
1282 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1284 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Play wav : %s", sound);
1289 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1291 return STTD_RESULT_STATE_NOT_DONE;
1293 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1295 /* Unset audio session */
1296 ret = sttd_recorder_unset_audio_session();
1298 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1299 return STTD_ERROR_OPERATION_FAILED;
1303 ret = sttd_engine_agent_recognize_stop_engine(uid);
1305 stt_client_unset_current_recognition();
1306 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1307 return STTD_ERROR_OPERATION_FAILED;
1310 /* change uid state */
1311 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1313 /* Notify uid state change */
1314 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1316 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1318 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1320 return STTD_RESULT_STATE_DONE;
1323 return STTD_ERROR_NONE;
1326 int sttd_server_cancel(int uid)
1328 /* check if uid is valid */
1330 if (0 != sttd_client_get_state(uid, &state)) {
1331 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1332 return STTD_ERROR_INVALID_PARAMETER;
1335 /* check uid state */
1336 if (APP_STATE_READY == state) {
1337 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1338 return STTD_ERROR_NONE;
1341 stt_client_unset_current_recognition();
1343 if (NULL != g_recording_timer) {
1344 ecore_timer_del(g_recording_timer);
1345 g_recording_timer = NULL;
1348 if (NULL != g_processing_timer) {
1349 ecore_timer_del(g_processing_timer);
1350 g_processing_timer = NULL;
1353 if (APP_STATE_RECORDING == state) {
1354 /* Unset audio session */
1355 int ret = sttd_recorder_unset_audio_session();
1357 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1358 return STTD_ERROR_OPERATION_FAILED;
1362 /* change uid state */
1363 sttd_client_set_state(uid, APP_STATE_READY);
1365 /* cancel engine recognition */
1366 int ret = sttd_engine_agent_recognize_cancel(uid);
1368 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1369 return STTD_ERROR_OPERATION_FAILED;
1372 /* Notify uid state change */
1373 sttdc_send_set_state(uid, APP_STATE_READY);
1375 return STTD_ERROR_NONE;