2 * Copyright (c) 2011-2016 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 stte_result_mutex = PTHREAD_MUTEX_INITIALIZER;
28 static pthread_mutex_t stte_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;
92 uid = stt_client_get_current_recognition();
94 app_state_e state = 0;
95 ret = sttd_client_get_state(uid, &state);
98 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
102 if (0 != uid && (APP_STATE_PROCESSING == state || APP_STATE_RECORDING == state)) {
103 /* cancel engine recognition */
104 ret = sttd_server_cancel(uid);
106 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : 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(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 int __server_recognition_result_callback(stte_result_event_e event, const char* type,
183 const char** data, int data_count, const char* msg, void *user_data)
186 pthread_mutex_lock(&stte_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(&stte_result_mutex);
199 return STTD_ERROR_OPERATION_FAILED;
202 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid (%d), event(%d)", uid, event);
204 /* send result to client */
205 if (STTE_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 sttd_client_set_state(uid, APP_STATE_READY);
221 stt_client_unset_current_recognition();
223 if (NULL == data || 0 == data_count) {
224 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
225 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
226 int reason = (int)STTD_ERROR_OPERATION_FAILED;
228 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
229 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
233 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
234 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
235 int reason = (int)STTD_ERROR_OPERATION_FAILED;
237 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
238 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
243 /* change state of uid */
244 // sttd_client_set_state(uid, APP_STATE_READY);
245 // stt_client_unset_current_recognition();
247 } else if (STTE_RESULT_EVENT_PARTIAL_RESULT == event) {
248 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The partial result from engine is event[%d] data_count[%d]", event, data_count);
250 sttd_config_time_save();
251 sttd_config_time_reset();
253 if (0 != sttdc_send_result(uid, event, data, data_count, msg)) {
254 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result");
255 int reason = (int)STTD_ERROR_OPERATION_FAILED;
257 if (0 != sttdc_send_error_signal(uid, reason, "Fail to send recognition result")) {
258 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info . Remove client data");
262 } else if (STTE_RESULT_EVENT_ERROR == event) {
263 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The event of recognition result is ERROR");
265 /* Delete timer for processing time out */
266 if (NULL != g_processing_timer) {
267 ecore_timer_del(g_processing_timer);
268 g_processing_timer = NULL;
270 sttd_config_time_reset();
273 if (APP_STATE_RECORDING == state) {
274 ret = sttd_engine_agent_recognize_cancel();
276 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel: result(%d)", ret);
280 sttd_client_set_state(uid, APP_STATE_READY);
281 stt_client_unset_current_recognition();
283 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
284 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
287 int reason = (int)STTD_ERROR_INVALID_STATE;
288 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
289 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
293 /* change state of uid */
294 // sttd_client_set_state(uid, APP_STATE_READY);
295 // stt_client_unset_current_recognition();
300 SLOG(LOG_DEBUG, TAG_STTD, "=====");
301 SLOG(LOG_DEBUG, TAG_STTD, " ");
302 pthread_mutex_unlock(&stte_result_mutex);
304 return STTD_ERROR_NONE;
307 bool __server_result_time_callback(int index, stte_result_time_event_e event, const char* text, long start_time, long end_time, void* user_data)
309 pthread_mutex_lock(&stte_result_time_mutex);
311 SLOG(LOG_DEBUG, TAG_STTD, "[Server] index(%d) event(%d) text(%s) start(%ld) end(%ld)",
312 index, event, text, start_time, end_time);
315 ret = sttd_config_time_add(index, (int)event, text, start_time, end_time);
317 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add time info");
318 pthread_mutex_unlock(&stte_result_time_mutex);
322 pthread_mutex_unlock(&stte_result_time_mutex);
327 int __server_speech_status_callback(stte_speech_status_e status, void *user_param)
329 SLOG(LOG_DEBUG, TAG_STTD, "===== Speech status detected Callback");
331 int uid = stt_client_get_current_recognition();
334 if (0 != sttd_client_get_state(uid, &state)) {
335 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is not valid ");
336 return STTD_ERROR_OPERATION_FAILED;
339 if (APP_STATE_RECORDING != state) {
340 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
341 return STTD_ERROR_INVALID_STATE;
344 if (STTE_SPEECH_STATUS_BEGINNING_POINT_DETECTED == status) {
345 SLOG(LOG_DEBUG, TAG_STTD, "Begin Speech detected");
346 sttdc_send_speech_status(uid, status);
347 } else if (STTE_SPEECH_STATUS_END_POINT_DETECTED == status) {
348 SLOG(LOG_DEBUG, TAG_STTD, "End Speech detected");
349 ecore_main_loop_thread_safe_call_async(__stop_by_silence, NULL);
352 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current recogntion uid is not valid ");
355 SLOG(LOG_DEBUG, TAG_STTD, "=====");
356 SLOG(LOG_DEBUG, TAG_STTD, " ");
358 return STTD_ERROR_NONE;
361 int __server_error_callback(stte_error_e error, const char* msg)
363 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Error Callback is called");
364 ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
366 return STTD_ERROR_NONE;
369 void __sttd_server_engine_changed_cb(const char* engine_id, const char* language, bool support_silence, bool need_credential, void* user_data)
371 if (NULL == engine_id) {
372 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Engine id is NULL");
375 SLOG(LOG_DEBUG, TAG_STTD, "[Server] New default engine : %s", engine_id);
379 /* need to change state of app to ready */
381 uid = stt_client_get_current_recognition();
384 SLOG(LOG_ERROR, TAG_STTD, "[Server] Set ready state of uid(%d)", uid);
386 sttd_server_cancel(uid);
387 sttdc_send_set_state(uid, (int)APP_STATE_READY);
389 stt_client_unset_current_recognition();
393 int ret = sttd_engine_agent_set_default_engine(engine_id);
395 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : result(%d)", ret);
397 if (NULL != language) {
398 ret = sttd_engine_agent_set_default_language(language);
400 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
403 ret = sttd_engine_agent_set_silence_detection(support_silence);
405 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
411 void __sttd_server_language_changed_cb(const char* language, void* user_data)
413 if (NULL == language) {
414 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] language is NULL");
417 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get language changed : %s", language);
420 int ret = sttd_engine_agent_set_default_language(language);
422 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
427 void __sttd_server_silence_changed_cb(bool value, void* user_data)
429 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get silence detection changed : %s", value ? "on" : "off");
432 ret = sttd_engine_agent_set_silence_detection(value);
434 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
442 int sttd_initialize(stte_request_callback_s *callback)
446 if (0 != pthread_mutex_init(&stte_result_mutex, NULL)) {
447 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte result mutex.");
450 if (0 != pthread_mutex_init(&stte_result_time_mutex, NULL)) {
451 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte stte_result_time_mutex.");
454 if (sttd_config_initialize(__sttd_server_engine_changed_cb, __sttd_server_language_changed_cb,
455 __sttd_server_silence_changed_cb, NULL)) {
456 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize config.");
459 ret = sttd_recorder_initialize(__server_audio_recorder_callback, __server_audio_interrupt_callback);
461 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize recorder : result(%d)", ret);
465 /* Engine Agent initialize */
466 ret = sttd_engine_agent_init(__server_recognition_result_callback, __server_result_time_callback,
467 __server_speech_status_callback, __server_error_callback);
469 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
474 ret = sttd_engine_agent_load_current_engine(callback);
476 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to load default engine");
480 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] initialize");
487 if (0 != pthread_mutex_destroy(&stte_result_mutex)) {
488 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte result mutex.");
491 if (0 != pthread_mutex_destroy(&stte_result_time_mutex)) {
492 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte_result_time_mutex.");
496 if (0 < g_list_length(g_proc_list)) {
497 iter = g_list_first(g_proc_list);
498 while (NULL != iter) {
499 g_proc_list = g_list_remove_link(g_proc_list, iter);
500 iter = g_list_first(g_proc_list);
504 sttd_recorder_deinitialize();
506 sttd_config_finalize();
508 sttd_engine_agent_release();
510 return STTD_ERROR_NONE;
513 static void __read_proc()
516 struct dirent *dirp = NULL;
520 if (0 < g_list_length(g_proc_list)) {
521 iter = g_list_first(g_proc_list);
522 while (NULL != iter) {
523 g_proc_list = g_list_remove_link(g_proc_list, iter);
524 iter = g_list_first(g_proc_list);
528 dp = opendir("/proc");
530 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to open proc");
536 tmp = atoi(dirp->d_name);
537 if (0 >= tmp) continue;
538 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
540 } while (NULL != dirp);
546 Eina_Bool sttd_cleanup_client(void *data)
548 int* client_list = NULL;
549 int client_count = 0;
554 if (0 != sttd_client_get_list(&client_list, &client_count)) {
555 if (NULL != client_list)
561 if (NULL != client_list) {
562 SLOG(LOG_DEBUG, TAG_STTD, "===== Clean up client ");
566 for (i = 0; i < client_count; i++) {
567 int pid = sttd_client_get_pid(client_list[i]);
569 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Invalid pid");
575 for (j = 0; j < g_list_length(g_proc_list); j++) {
576 iter = g_list_nth(g_proc_list, j);
578 if (pid == GPOINTER_TO_INT(iter->data)) {
579 SLOG(LOG_DEBUG, TAG_STTD, "uid (%d) is running", client_list[i]);
586 if (false == exist) {
587 SLOG(LOG_ERROR, TAG_STTD, "uid (%d) should be removed", client_list[i]);
588 sttd_server_finalize(client_list[i]);
591 result = sttdc_send_hello(client_list[i]);
594 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", client_list[i]);
595 sttd_server_finalize(client_list[i]);
596 } else if (-1 == result) {
597 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Hello result has error");
602 SLOG(LOG_DEBUG, TAG_STTD, "=====");
603 SLOG(LOG_DEBUG, TAG_STTD, " ");
612 * STT Server Functions for Client
615 int sttd_server_initialize(int pid, int uid, bool* silence, bool* credential)
617 int ret = STTD_ERROR_NONE;
619 /* check if uid is valid */
621 if (0 == sttd_client_get_state(uid, &state)) {
622 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid has already been registered");
623 return STTD_ERROR_NONE;
626 ret = sttd_engine_agent_get_option_supported(silence);
628 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine options supported");
632 ret = sttd_engine_agent_is_credential_needed(uid, credential);
634 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
638 /* Add client information to client manager */
639 ret = sttd_client_add(pid, uid);
641 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add client info");
645 return STTD_ERROR_NONE;
648 static Eina_Bool __quit_ecore_loop(void *data)
650 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Quit");
652 stt_network_finalize();
654 sttd_dbus_close_connection();
655 ecore_main_loop_quit();
657 SLOG(LOG_DEBUG, TAG_STTD, "");
662 int sttd_server_finalize(int uid)
664 /* check if uid is valid */
666 if (0 != sttd_client_get_state(uid, &state)) {
667 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
668 return STTD_ERROR_INVALID_PARAMETER;
671 /* release recorder */
672 if (APP_STATE_RECORDING == state || APP_STATE_PROCESSING == state) {
673 if (APP_STATE_RECORDING == state) {
674 if (NULL != g_recording_timer) {
675 ecore_timer_del(g_recording_timer);
676 g_recording_timer = NULL;
680 if (APP_STATE_PROCESSING == state) {
681 if (NULL != g_processing_timer) {
682 ecore_timer_del(g_processing_timer);
683 g_processing_timer = NULL;
687 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
688 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognition");
691 stt_client_unset_current_recognition();
694 /* Remove client information */
695 if (0 != sttd_client_delete(uid)) {
696 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to delete client");
699 /* unload engine, if ref count of client is 0 */
700 if (0 == sttd_client_get_ref_count()) {
701 // sttd_dbus_close_connection();
702 ecore_timer_add(0, __quit_ecore_loop, NULL);
705 return STTD_ERROR_NONE;
708 int sttd_server_get_supported_engines(int uid, GSList** engine_list)
710 /* Check if uid is valid */
712 if (0 != sttd_client_get_state(uid, &state)) {
713 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
714 return STTD_ERROR_INVALID_PARAMETER;
717 /* Check state of uid */
718 if (APP_STATE_READY != state) {
719 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
720 return STTD_ERROR_INVALID_STATE;
724 ret = sttd_engine_agent_get_engine_list(engine_list);
726 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine list");
730 return STTD_ERROR_NONE;
733 int sttd_server_set_current_engine(int uid, const char* engine_id, bool* silence, bool* credential)
735 /* Check if uid is valid */
737 if (0 != sttd_client_get_state(uid, &state)) {
738 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
739 return STTD_ERROR_INVALID_PARAMETER;
742 /* Check state of uid */
743 if (APP_STATE_READY != state) {
744 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
745 return STTD_ERROR_INVALID_STATE;
749 ret = sttd_engine_agent_load_current_engine(NULL);
751 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : %d", ret);
755 ret = sttd_engine_agent_get_option_supported(silence);
757 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine options : %d", ret);
761 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
762 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
766 return STTD_ERROR_NONE;
769 int sttd_server_get_current_engine(int uid, char** engine_id)
771 /* Check if uid is valid */
773 if (0 != sttd_client_get_state(uid, &state)) {
774 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
775 return STTD_ERROR_INVALID_PARAMETER;
778 /* Check state of uid */
779 if (APP_STATE_READY != state) {
780 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
781 return STTD_ERROR_INVALID_STATE;
785 ret = sttd_engine_agent_get_current_engine(engine_id);
787 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine : %d", ret);
791 return STTD_ERROR_NONE;
794 int sttd_server_check_app_agreed(int uid, const char* appid, bool* available)
796 /* Check if uid is valid */
798 if (0 != sttd_client_get_state(uid, &state)) {
799 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
800 return STTD_ERROR_INVALID_PARAMETER;
803 /* Check state of uid */
804 if (APP_STATE_READY != state) {
805 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
806 return STTD_ERROR_INVALID_STATE;
809 /* Ask engine available */
812 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
814 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
819 stt_client_set_app_agreed(uid);
820 SLOG(LOG_DEBUG, TAG_STTD, "[Server] App(%s) confirmed that engine is available", appid);
825 return STTD_ERROR_NONE;
829 int sttd_server_get_supported_languages(int uid, GSList** lang_list)
831 /* check if uid is valid */
833 if (0 != sttd_client_get_state(uid, &state)) {
834 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
835 return STTD_ERROR_INVALID_PARAMETER;
838 /* get language list from engine */
839 int ret = sttd_engine_agent_supported_langs(lang_list);
841 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get supported languages");
845 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] sttd_server_get_supported_languages");
847 return STTD_ERROR_NONE;
850 int sttd_server_get_current_langauage(int uid, char** current_lang)
852 /* check if uid is valid */
854 if (0 != sttd_client_get_state(uid, &state)) {
855 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
856 return STTD_ERROR_INVALID_PARAMETER;
859 if (NULL == current_lang) {
860 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
861 return STTD_ERROR_INVALID_PARAMETER;
864 /*get current language from engine */
865 int ret = sttd_engine_agent_get_default_lang(current_lang);
867 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get default language :result(%d)", ret);
871 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get default language");
873 return STTD_ERROR_NONE;
876 int sttd_server_set_private_data(int uid, const char* key, const char* data)
878 /* check if uid is valid */
880 if (0 != sttd_client_get_state(uid, &state)) {
881 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
882 return STTD_ERROR_INVALID_PARAMETER;
885 if (NULL == key || NULL == data) {
886 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
887 return STTD_ERROR_INVALID_PARAMETER;
890 /* set private data to engine */
892 ret = sttd_engine_agent_set_private_data(key, data);
894 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set private data :result(%d)", ret);
898 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Set private data");
900 return STTD_ERROR_NONE;
903 int sttd_server_get_private_data(int uid, const char* key, char** data)
905 /* check if uid is valid */
907 if (0 != sttd_client_get_state(uid, &state)) {
908 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
909 return STTD_ERROR_INVALID_PARAMETER;
912 if (NULL == key || NULL == data) {
913 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
914 return STTD_ERROR_INVALID_PARAMETER;
917 /* get private data to engine */
919 ret = sttd_engine_agent_get_private_data(key, data);
921 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get private data :result(%d)", ret);
925 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get private data, key(%s), data(%s)", key, *data);
927 return STTD_ERROR_NONE;
930 int sttd_server_is_recognition_type_supported(int uid, const char* type, int* support)
932 /* check if uid is valid */
934 if (0 != sttd_client_get_state(uid, &state)) {
935 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
936 return STTD_ERROR_INVALID_PARAMETER;
939 if (NULL == type || NULL == support) {
940 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
941 return STTD_ERROR_INVALID_PARAMETER;
945 int ret = sttd_engine_agent_is_recognition_type_supported(type, &temp);
947 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get recognition type supported : result(%d)", ret);
951 *support = (int)temp;
953 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] recognition type supporting is %s", *support ? "true" : "false");
955 return STTD_ERROR_NONE;
958 int sttd_server_set_start_sound(int uid, const char* file)
960 /* check if uid is valid */
962 if (0 != sttd_client_get_state(uid, &state)) {
963 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
964 return STTD_ERROR_INVALID_PARAMETER;
967 int ret = sttd_client_set_start_sound(uid, file);
969 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
976 int sttd_server_set_stop_sound(int uid, const char* file)
978 /* check if uid is valid */
980 if (0 != sttd_client_get_state(uid, &state)) {
981 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
982 return STTD_ERROR_INVALID_PARAMETER;
985 int ret = sttd_client_set_stop_sound(uid, file);
987 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
995 Eina_Bool __check_recording_state(void *data)
998 int uid = stt_client_get_current_recognition();
1003 if (0 != sttdc_send_get_state(uid, (int*)&state)) {
1004 /* client is removed */
1005 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", uid);
1006 sttd_server_finalize(uid);
1010 if (APP_STATE_READY == state) {
1012 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Ready'. The STT service should cancel recording", uid);
1013 sttd_server_cancel(uid);
1014 } else if (APP_STATE_PROCESSING == state) {
1015 /* Cancel stt and send change state */
1016 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Processing'. The STT service should cancel recording", uid);
1017 sttd_server_cancel(uid);
1018 sttdc_send_set_state(uid, (int)APP_STATE_READY);
1021 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The states of STT service and client are identical");
1029 Eina_Bool __stop_by_recording_timeout(void *data)
1031 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by timeout");
1033 g_recording_timer = NULL;
1036 uid = stt_client_get_current_recognition();
1038 /* cancel engine recognition */
1039 int ret = sttd_server_stop(uid);
1041 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop : result(%d)", ret);
1045 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1046 SLOG(LOG_DEBUG, TAG_STTD, " ");
1051 void __sttd_server_recorder_start(void* data)
1053 intptr_t puid = (intptr_t)data;
1054 int uid = (int)puid;
1055 int current_uid = stt_client_get_current_recognition();
1057 if (uid != current_uid) {
1058 stt_client_unset_current_recognition();
1062 int ret = sttd_engine_agent_recognize_start_recorder(uid);
1064 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1068 /* Notify uid state change */
1069 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1071 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1074 void __sttd_start_sound_completed_cb(int id, void *user_data)
1076 SLOG(LOG_DEBUG, TAG_STTD, "===== Start sound completed");
1078 /* After wav play callback, recorder start */
1079 ecore_main_loop_thread_safe_call_async(__sttd_server_recorder_start, user_data);
1081 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1082 SLOG(LOG_DEBUG, TAG_STTD, " ");
1086 int sttd_server_start(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential)
1088 if (NULL == lang || NULL == recognition_type) {
1089 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1090 return STTD_ERROR_INVALID_PARAMETER;
1093 /* check if uid is valid */
1095 if (0 != sttd_client_get_state(uid, &state)) {
1096 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1097 return STTD_ERROR_INVALID_PARAMETER;
1100 /* check uid state */
1101 if (APP_STATE_READY != state) {
1102 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1103 return STTD_ERROR_INVALID_STATE;
1107 if (false == stt_client_get_app_agreed(uid)) {
1109 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
1111 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1115 if (false == temp) {
1116 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1117 return STTD_ERROR_PERMISSION_DENIED;
1120 stt_client_set_app_agreed(uid);
1123 /* check if engine use network */
1124 if (true == sttd_engine_agent_need_network()) {
1125 if (false == stt_network_is_connected()) {
1126 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1127 return STTD_ERROR_OUT_OF_NETWORK;
1132 ret = sttd_client_get_start_sound(uid, &sound);
1134 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1138 if (0 != stt_client_set_current_recognition(uid)) {
1139 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1140 if (NULL != sound) free(sound);
1141 return STTD_ERROR_RECORDER_BUSY;
1144 /* engine start recognition */
1145 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s)",
1146 uid, lang, recognition_type);
1148 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start sound : %s", sound);
1150 /* 1. Set audio session */
1151 ret = sttd_recorder_set_audio_session();
1153 stt_client_unset_current_recognition();
1154 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1155 if (NULL != sound) free(sound);
1159 bool is_sound_done = false;
1161 /* 2. Request wav play */
1162 if (NULL != sound) {
1164 intptr_t puid = (intptr_t)uid;
1165 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_start_sound_completed_cb, (void*)puid, &id);
1166 if (WAV_PLAYER_ERROR_NONE != ret) {
1167 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1168 is_sound_done = true;
1173 is_sound_done = true;
1176 /* 3. Create recorder & engine initialize */
1177 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, appid, credential, NULL);
1179 stt_client_unset_current_recognition();
1180 sttd_recorder_unset_audio_session();
1181 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1185 if (0 != strcmp(STTE_RECOGNITION_TYPE_FREE_PARTIAL, recognition_type)) {
1186 g_recording_timer = ecore_timer_add(g_recording_timeout, __stop_by_recording_timeout, NULL);
1189 /* change uid state */
1190 sttd_client_set_state(uid, APP_STATE_RECORDING);
1192 g_recording_log_count = 0;
1194 if (true == is_sound_done) {
1195 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1197 ret = sttd_engine_agent_recognize_start_recorder(uid);
1199 stt_client_unset_current_recognition();
1200 sttd_recorder_unset_audio_session();
1202 sttd_engine_agent_recognize_cancel();
1203 ecore_timer_del(g_recording_timer);
1204 sttd_client_set_state(uid, APP_STATE_READY);
1206 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1210 /* Notify uid state change */
1211 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1213 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1214 return STTD_RESULT_STATE_DONE;
1217 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Wait sound finish");
1219 return STTD_RESULT_STATE_NOT_DONE;
1222 Eina_Bool __time_out_for_processing(void *data)
1224 g_processing_timer = NULL;
1227 int uid = stt_client_get_current_recognition();
1228 if (0 == uid) return EINA_FALSE;
1231 int ret = sttd_engine_agent_recognize_cancel();
1233 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1236 if (0 != sttdc_send_result(uid, STTE_RESULT_EVENT_FINAL_RESULT, NULL, 0, "Time out not to receive recognition result.")) {
1237 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
1239 /* send error msg */
1240 int reason = (int)STTD_ERROR_TIMED_OUT;
1241 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
1242 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
1246 /* Change uid state */
1247 sttd_client_set_state(uid, APP_STATE_READY);
1249 stt_client_unset_current_recognition();
1254 void __sttd_server_engine_stop(void* data)
1256 intptr_t puid = (intptr_t)data;
1257 int uid = (int)puid;
1258 /* change uid state */
1259 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1261 /* Notify uid state change */
1262 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1264 /* Unset audio session */
1265 int ret = sttd_recorder_unset_audio_session();
1267 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1272 ret = sttd_engine_agent_recognize_stop_engine();
1274 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1278 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1281 void __sttd_stop_sound_completed_cb(int id, void *user_data)
1283 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop sound completed");
1285 /* After wav play callback, engine stop */
1286 ecore_main_loop_thread_safe_call_async(__sttd_server_engine_stop, user_data);
1288 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1289 SLOG(LOG_DEBUG, TAG_STTD, " ");
1293 int sttd_server_stop(int uid)
1295 /* check if uid is valid */
1297 if (0 != sttd_client_get_state(uid, &state)) {
1298 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1299 return STTD_ERROR_INVALID_PARAMETER;
1302 /* check uid state */
1303 if (APP_STATE_RECORDING != state) {
1304 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
1305 return STTD_ERROR_INVALID_STATE;
1308 if (NULL != g_recording_timer) {
1309 ecore_timer_del(g_recording_timer);
1310 g_recording_timer = NULL;
1314 if (0 != sttd_client_get_stop_sound(uid, &sound)) {
1315 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1316 return STTD_ERROR_OPERATION_FAILED;
1319 SLOG(LOG_DEBUG, TAG_STTD, "[Server] stop sound path : %s", sound);
1322 /* 1. Stop recorder */
1323 ret = sttd_engine_agent_recognize_stop_recorder();
1325 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1326 if (0 != sttd_engine_agent_recognize_cancel()) {
1327 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognize");
1329 if (NULL != sound) free(sound);
1333 /* 2. Request wav play */
1334 if (NULL != sound) {
1336 intptr_t puid = (intptr_t)uid;
1337 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_stop_sound_completed_cb, (void*)puid, &id);
1338 if (WAV_PLAYER_ERROR_NONE != ret) {
1339 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1341 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Play wav : %s", sound);
1346 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1348 return STTD_RESULT_STATE_NOT_DONE;
1350 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1352 /* Unset audio session */
1353 ret = sttd_recorder_unset_audio_session();
1355 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1360 ret = sttd_engine_agent_recognize_stop_engine();
1362 stt_client_unset_current_recognition();
1363 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1367 /* change uid state */
1368 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1370 /* Notify uid state change */
1371 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1373 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1375 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1377 return STTD_RESULT_STATE_DONE;
1380 return STTD_ERROR_NONE;
1383 int sttd_server_cancel(int uid)
1385 /* check if uid is valid */
1387 if (0 != sttd_client_get_state(uid, &state)) {
1388 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1389 return STTD_ERROR_INVALID_PARAMETER;
1392 /* check uid state */
1393 if (APP_STATE_READY == state) {
1394 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1395 return STTD_ERROR_NONE;
1398 stt_client_unset_current_recognition();
1400 if (NULL != g_recording_timer) {
1401 ecore_timer_del(g_recording_timer);
1402 g_recording_timer = NULL;
1405 if (NULL != g_processing_timer) {
1406 ecore_timer_del(g_processing_timer);
1407 g_processing_timer = NULL;
1410 if (APP_STATE_RECORDING == state) {
1411 /* Unset audio session */
1412 int ret = sttd_recorder_unset_audio_session();
1414 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1419 /* change uid state */
1420 sttd_client_set_state(uid, APP_STATE_READY);
1422 /* cancel engine recognition */
1423 int ret = sttd_engine_agent_recognize_cancel();
1425 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1429 /* Notify uid state change */
1430 sttdc_send_set_state(uid, APP_STATE_READY);
1432 return STTD_ERROR_NONE;