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;
91 uid = stt_client_get_current_recognition();
94 /* cancel engine recognition */
95 int ret = sttd_engine_agent_recognize_cancel();
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(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();
272 sttd_client_set_state(uid, APP_STATE_READY);
273 stt_client_unset_current_recognition();
275 if (0 != sttdc_send_result(uid, event, NULL, 0, msg)) {
276 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
279 int reason = (int)STTD_ERROR_INVALID_STATE;
280 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
281 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
285 /* change state of uid */
286 // sttd_client_set_state(uid, APP_STATE_READY);
287 // stt_client_unset_current_recognition();
292 SLOG(LOG_DEBUG, TAG_STTD, "=====");
293 SLOG(LOG_DEBUG, TAG_STTD, " ");
294 pthread_mutex_unlock(&stte_result_mutex);
296 return STTD_ERROR_NONE;
299 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)
301 pthread_mutex_lock(&stte_result_time_mutex);
303 SLOG(LOG_DEBUG, TAG_STTD, "[Server] index(%d) event(%d) text(%s) start(%ld) end(%ld)",
304 index, event, text, start_time, end_time);
307 ret = sttd_config_time_add(index, (int)event, text, start_time, end_time);
309 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add time info");
310 pthread_mutex_unlock(&stte_result_time_mutex);
314 pthread_mutex_unlock(&stte_result_time_mutex);
319 int __server_speech_status_callback(stte_speech_status_e status, void *user_param)
321 SLOG(LOG_DEBUG, TAG_STTD, "===== Speech status detected Callback");
323 int uid = stt_client_get_current_recognition();
326 if (0 != sttd_client_get_state(uid, &state)) {
327 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is not valid ");
328 return STTD_ERROR_OPERATION_FAILED;
331 if (APP_STATE_RECORDING != state) {
332 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
333 return STTD_ERROR_INVALID_STATE;
336 if (STTE_SPEECH_STATUS_BEGINNING_POINT_DETECTED == status) {
337 SLOG(LOG_DEBUG, TAG_STTD, "Begin Speech detected");
338 sttdc_send_speech_status(uid, status);
339 } else if (STTE_SPEECH_STATUS_END_POINT_DETECTED == status) {
340 SLOG(LOG_DEBUG, TAG_STTD, "End Speech detected");
341 ecore_main_loop_thread_safe_call_async(__stop_by_silence, NULL);
344 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current recogntion uid is not valid ");
347 SLOG(LOG_DEBUG, TAG_STTD, "=====");
348 SLOG(LOG_DEBUG, TAG_STTD, " ");
350 return STTD_ERROR_NONE;
353 int __server_error_callback(stte_error_e error, const char* msg)
355 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Error Callback is called");
356 return STTD_ERROR_NONE;
359 void __sttd_server_engine_changed_cb(const char* engine_id, const char* language, bool support_silence, bool need_credential, void* user_data)
361 if (NULL == engine_id) {
362 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Engine id is NULL");
365 SLOG(LOG_DEBUG, TAG_STTD, "[Server] New default engine : %s", engine_id);
368 /* need to change state of app to ready */
370 uid = stt_client_get_current_recognition();
373 SLOG(LOG_ERROR, TAG_STTD, "[Server] Set ready state of uid(%d)", uid);
375 sttd_server_cancel(uid);
376 sttdc_send_set_state(uid, (int)APP_STATE_READY);
378 stt_client_unset_current_recognition();
382 int ret = sttd_engine_agent_set_default_engine(engine_id);
384 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : result(%d)", ret);
386 if (NULL != language) {
387 ret = sttd_engine_agent_set_default_language(language);
389 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
392 ret = sttd_engine_agent_set_silence_detection(support_silence);
394 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
399 void __sttd_server_language_changed_cb(const char* language, void* user_data)
401 if (NULL == language) {
402 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] language is NULL");
405 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get language changed : %s", language);
408 int ret = sttd_engine_agent_set_default_language(language);
410 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set default lang : result(%d)", ret);
415 void __sttd_server_silence_changed_cb(bool value, void* user_data)
417 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Get silence detection changed : %s", value ? "on" : "off");
420 ret = sttd_engine_agent_set_silence_detection(value);
422 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to Result(%d)", ret);
431 static void __sig_handler(int signo)
433 /* restore signal handler */
434 signal(signo, SIG_DFL);
436 /* Send error signal to clients */
437 int* client_list = NULL;
438 int client_count = 0;
440 if (0 != sttd_client_get_list(&client_list, &client_count)) {
441 if (NULL != client_list) {
447 if (NULL != client_list) {
448 for (i = 0; i < client_count; i++) {
449 sttdc_send_error_signal(client_list[i], STTD_ERROR_SERVICE_RESET, "Service Reset");
456 /* invoke signal again */
460 static void __register_sig_handler()
462 signal(SIGSEGV, __sig_handler);
463 signal(SIGABRT, __sig_handler);
464 signal(SIGTERM, __sig_handler);
465 signal(SIGINT, __sig_handler);
466 signal(SIGQUIT, __sig_handler);
469 int sttd_initialize(stte_request_callback_s *callback)
473 __register_sig_handler();
475 if (0 != pthread_mutex_init(&stte_result_mutex, NULL)) {
476 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte result mutex.");
479 if (0 != pthread_mutex_init(&stte_result_time_mutex, NULL)) {
480 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize stte stte_result_time_mutex.");
483 if (sttd_config_initialize(__sttd_server_engine_changed_cb, __sttd_server_language_changed_cb,
484 __sttd_server_silence_changed_cb, NULL)) {
485 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize config.");
488 ret = sttd_recorder_initialize(__server_audio_recorder_callback, __server_audio_interrupt_callback);
490 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to initialize recorder : result(%d)", ret);
494 /* Engine Agent initialize */
495 ret = sttd_engine_agent_init(__server_recognition_result_callback, __server_result_time_callback,
496 __server_speech_status_callback, __server_error_callback);
498 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
503 ret = sttd_engine_agent_load_current_engine(callback);
505 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to load default engine");
509 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] initialize");
516 if (0 != pthread_mutex_destroy(&stte_result_mutex)) {
517 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte result mutex.");
520 if (0 != pthread_mutex_destroy(&stte_result_time_mutex)) {
521 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy stte_result_time_mutex.");
525 if (0 < g_list_length(g_proc_list)) {
526 iter = g_list_first(g_proc_list);
527 while (NULL != iter) {
528 g_proc_list = g_list_remove_link(g_proc_list, iter);
529 iter = g_list_first(g_proc_list);
533 sttd_recorder_deinitialize();
535 sttd_config_finalize();
537 sttd_engine_agent_release();
539 return STTD_ERROR_NONE;
542 static void __read_proc()
546 struct dirent *dirp = NULL;
551 if (0 < g_list_length(g_proc_list)) {
552 iter = g_list_first(g_proc_list);
553 while (NULL != iter) {
554 g_proc_list = g_list_remove_link(g_proc_list, iter);
555 iter = g_list_first(g_proc_list);
559 dp = opendir("/proc");
561 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to open proc");
564 ret = readdir_r(dp, &entry, &dirp);
566 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to readdir");
571 tmp = atoi(dirp->d_name);
572 if (0 >= tmp) continue;
573 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
575 } while (NULL != dirp);
581 Eina_Bool sttd_cleanup_client(void *data)
583 int* client_list = NULL;
584 int client_count = 0;
589 if (0 != sttd_client_get_list(&client_list, &client_count)) {
590 if (NULL != client_list)
596 if (NULL != client_list) {
597 SLOG(LOG_DEBUG, TAG_STTD, "===== Clean up client ");
601 for (i = 0; i < client_count; i++) {
602 int pid = sttd_client_get_pid(client_list[i]);
604 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Invalid pid");
610 for (j = 0; j < g_list_length(g_proc_list); j++) {
611 iter = g_list_nth(g_proc_list, j);
613 if (pid == GPOINTER_TO_INT(iter->data)) {
614 SLOG(LOG_DEBUG, TAG_STTD, "uid (%d) is running", client_list[i]);
621 if (false == exist) {
622 SLOG(LOG_ERROR, TAG_STTD, "uid (%d) should be removed", client_list[i]);
623 sttd_server_finalize(client_list[i]);
626 result = sttdc_send_hello(client_list[i]);
629 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", client_list[i]);
630 sttd_server_finalize(client_list[i]);
631 } else if (-1 == result) {
632 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Hello result has error");
637 SLOG(LOG_DEBUG, TAG_STTD, "=====");
638 SLOG(LOG_DEBUG, TAG_STTD, " ");
647 * STT Server Functions for Client
650 int sttd_server_initialize(int pid, int uid, bool* silence, bool* credential)
652 int ret = STTD_ERROR_NONE;
654 /* check if uid is valid */
656 if (0 == sttd_client_get_state(uid, &state)) {
657 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid has already been registered");
658 return STTD_ERROR_NONE;
661 ret = sttd_engine_agent_get_option_supported(silence);
663 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine options supported");
667 ret = sttd_engine_agent_is_credential_needed(uid, credential);
669 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
673 /* Add client information to client manager */
674 ret = sttd_client_add(pid, uid);
676 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add client info");
680 return STTD_ERROR_NONE;
683 static Eina_Bool __quit_ecore_loop(void *data)
685 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Quit");
687 stt_network_finalize();
689 ecore_main_loop_quit();
691 SLOG(LOG_DEBUG, TAG_STTD, "");
696 int sttd_server_finalize(int uid)
698 /* check if uid is valid */
700 if (0 != sttd_client_get_state(uid, &state)) {
701 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
702 return STTD_ERROR_INVALID_PARAMETER;
705 /* release recorder */
706 if (APP_STATE_RECORDING == state || APP_STATE_PROCESSING == state) {
707 if (APP_STATE_RECORDING == state) {
708 if (NULL != g_recording_timer) {
709 ecore_timer_del(g_recording_timer);
710 g_recording_timer = NULL;
714 if (APP_STATE_PROCESSING == state) {
715 if (NULL != g_processing_timer) {
716 ecore_timer_del(g_processing_timer);
717 g_processing_timer = NULL;
721 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
722 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognition");
725 stt_client_unset_current_recognition();
728 /* Remove client information */
729 if (0 != sttd_client_delete(uid)) {
730 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to delete client");
733 /* unload engine, if ref count of client is 0 */
734 if (0 == sttd_client_get_ref_count()) {
735 // sttd_dbus_close_connection();
736 ecore_timer_add(0, __quit_ecore_loop, NULL);
739 return STTD_ERROR_NONE;
742 int sttd_server_get_supported_engines(int uid, GSList** engine_list)
744 /* Check if uid is valid */
746 if (0 != sttd_client_get_state(uid, &state)) {
747 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
748 return STTD_ERROR_INVALID_PARAMETER;
751 /* Check state of uid */
752 if (APP_STATE_READY != state) {
753 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
754 return STTD_ERROR_INVALID_STATE;
758 ret = sttd_engine_agent_get_engine_list(engine_list);
760 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine list");
764 return STTD_ERROR_NONE;
767 int sttd_server_set_current_engine(int uid, const char* engine_id, bool* silence, bool* credential)
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_load_current_engine(NULL);
785 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : %d", ret);
789 ret = sttd_engine_agent_get_option_supported(silence);
791 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine options : %d", ret);
795 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
796 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
800 return STTD_ERROR_NONE;
803 int sttd_server_get_current_engine(int uid, char** engine_id)
805 /* Check if uid is valid */
807 if (0 != sttd_client_get_state(uid, &state)) {
808 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
809 return STTD_ERROR_INVALID_PARAMETER;
812 /* Check state of uid */
813 if (APP_STATE_READY != state) {
814 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
815 return STTD_ERROR_INVALID_STATE;
819 ret = sttd_engine_agent_get_current_engine(engine_id);
821 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine : %d", ret);
825 return STTD_ERROR_NONE;
828 int sttd_server_check_app_agreed(int uid, const char* appid, bool* available)
830 /* Check if uid is valid */
832 if (0 != sttd_client_get_state(uid, &state)) {
833 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
834 return STTD_ERROR_INVALID_PARAMETER;
837 /* Check state of uid */
838 if (APP_STATE_READY != state) {
839 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
840 return STTD_ERROR_INVALID_STATE;
843 /* Ask engine available */
846 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
848 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
853 stt_client_set_app_agreed(uid);
854 SLOG(LOG_DEBUG, TAG_STTD, "[Server] App(%s) confirmed that engine is available", appid);
859 return STTD_ERROR_NONE;
863 int sttd_server_get_supported_languages(int uid, GSList** lang_list)
865 /* check if uid is valid */
867 if (0 != sttd_client_get_state(uid, &state)) {
868 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
869 return STTD_ERROR_INVALID_PARAMETER;
872 /* get language list from engine */
873 int ret = sttd_engine_agent_supported_langs(lang_list);
875 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get supported languages");
879 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] sttd_server_get_supported_languages");
881 return STTD_ERROR_NONE;
884 int sttd_server_get_current_langauage(int uid, char** current_lang)
886 /* check if uid is valid */
888 if (0 != sttd_client_get_state(uid, &state)) {
889 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
890 return STTD_ERROR_INVALID_PARAMETER;
893 if (NULL == current_lang) {
894 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
895 return STTD_ERROR_INVALID_PARAMETER;
898 /*get current language from engine */
899 int ret = sttd_engine_agent_get_default_lang(current_lang);
901 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get default language :result(%d)", ret);
905 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get default language");
907 return STTD_ERROR_NONE;
910 int sttd_server_set_private_data(int uid, const char* key, const char* data)
912 /* check if uid is valid */
914 if (0 != sttd_client_get_state(uid, &state)) {
915 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
916 return STTD_ERROR_INVALID_PARAMETER;
919 if (NULL == key || NULL == data) {
920 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
921 return STTD_ERROR_INVALID_PARAMETER;
924 /* set private data to engine */
926 ret = sttd_engine_agent_set_private_data(key, data);
928 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set private data :result(%d)", ret);
932 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Set private data");
934 return STTD_ERROR_NONE;
937 int sttd_server_get_private_data(int uid, const char* key, char** data)
939 /* check if uid is valid */
941 if (0 != sttd_client_get_state(uid, &state)) {
942 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
943 return STTD_ERROR_INVALID_PARAMETER;
946 if (NULL == key || NULL == data) {
947 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
948 return STTD_ERROR_INVALID_PARAMETER;
951 /* get private data to engine */
953 ret = sttd_engine_agent_get_private_data(key, data);
955 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get private data :result(%d)", ret);
959 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get private data, key(%s), data(%s)", key, *data);
961 return STTD_ERROR_NONE;
964 int sttd_server_is_recognition_type_supported(int uid, const char* type, int* support)
966 /* check if uid is valid */
968 if (0 != sttd_client_get_state(uid, &state)) {
969 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
970 return STTD_ERROR_INVALID_PARAMETER;
973 if (NULL == type || NULL == support) {
974 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
975 return STTD_ERROR_INVALID_PARAMETER;
979 int ret = sttd_engine_agent_is_recognition_type_supported(type, &temp);
981 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get recognition type supported : result(%d)", ret);
985 *support = (int)temp;
987 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] recognition type supporting is %s", *support ? "true" : "false");
989 return STTD_ERROR_NONE;
992 int sttd_server_set_start_sound(int uid, const char* file)
994 /* check if uid is valid */
996 if (0 != sttd_client_get_state(uid, &state)) {
997 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
998 return STTD_ERROR_INVALID_PARAMETER;
1001 int ret = sttd_client_set_start_sound(uid, file);
1003 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
1010 int sttd_server_set_stop_sound(int uid, const char* file)
1012 /* check if uid is valid */
1014 if (0 != sttd_client_get_state(uid, &state)) {
1015 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1016 return STTD_ERROR_INVALID_PARAMETER;
1019 int ret = sttd_client_set_stop_sound(uid, file);
1021 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
1029 Eina_Bool __check_recording_state(void *data)
1032 int uid = stt_client_get_current_recognition();
1037 if (0 != sttdc_send_get_state(uid, (int*)&state)) {
1038 /* client is removed */
1039 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", uid);
1040 sttd_server_finalize(uid);
1044 if (APP_STATE_READY == state) {
1046 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Ready'. The STT service should cancel recording", uid);
1047 sttd_server_cancel(uid);
1048 } else if (APP_STATE_PROCESSING == state) {
1049 /* Cancel stt and send change state */
1050 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Processing'. The STT service should cancel recording", uid);
1051 sttd_server_cancel(uid);
1052 sttdc_send_set_state(uid, (int)APP_STATE_READY);
1055 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The states of STT service and client are identical");
1063 Eina_Bool __stop_by_recording_timeout(void *data)
1065 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by timeout");
1067 g_recording_timer = NULL;
1070 uid = stt_client_get_current_recognition();
1072 /* cancel engine recognition */
1073 int ret = sttd_server_stop(uid);
1075 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop : result(%d)", ret);
1079 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1080 SLOG(LOG_DEBUG, TAG_STTD, " ");
1085 void __sttd_server_recorder_start(void* data)
1087 intptr_t puid = (intptr_t)data;
1088 int uid = (int)puid;
1089 int current_uid = stt_client_get_current_recognition();
1091 if (uid != current_uid) {
1092 stt_client_unset_current_recognition();
1096 int ret = sttd_engine_agent_recognize_start_recorder(uid);
1098 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1102 /* Notify uid state change */
1103 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1105 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1108 void __sttd_start_sound_completed_cb(int id, void *user_data)
1110 SLOG(LOG_DEBUG, TAG_STTD, "===== Start sound completed");
1112 /* After wav play callback, recorder start */
1113 ecore_main_loop_thread_safe_call_async(__sttd_server_recorder_start, user_data);
1115 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1116 SLOG(LOG_DEBUG, TAG_STTD, " ");
1120 int sttd_server_start(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential)
1122 if (NULL == lang || NULL == recognition_type) {
1123 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1124 return STTD_ERROR_INVALID_PARAMETER;
1127 /* check if uid is valid */
1129 if (0 != sttd_client_get_state(uid, &state)) {
1130 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1131 return STTD_ERROR_INVALID_PARAMETER;
1134 /* check uid state */
1135 if (APP_STATE_READY != state) {
1136 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1137 return STTD_ERROR_INVALID_STATE;
1141 if (false == stt_client_get_app_agreed(uid)) {
1143 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
1145 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1149 if (false == temp) {
1150 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1151 return STTD_ERROR_PERMISSION_DENIED;
1154 stt_client_set_app_agreed(uid);
1157 /* check if engine use network */
1158 if (true == sttd_engine_agent_need_network()) {
1159 if (false == stt_network_is_connected()) {
1160 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1161 return STTD_ERROR_OUT_OF_NETWORK;
1166 ret = sttd_client_get_start_sound(uid, &sound);
1168 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1172 if (0 != stt_client_set_current_recognition(uid)) {
1173 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1174 if (NULL != sound) free(sound);
1175 return STTD_ERROR_RECORDER_BUSY;
1178 /* engine start recognition */
1179 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s)",
1180 uid, lang, recognition_type);
1182 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start sound : %s", sound);
1184 /* 1. Set audio session */
1185 ret = sttd_recorder_set_audio_session();
1187 stt_client_unset_current_recognition();
1188 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1189 if (NULL != sound) free(sound);
1193 bool is_sound_done = false;
1195 /* 2. Request wav play */
1196 if (NULL != sound) {
1198 intptr_t puid = (intptr_t)uid;
1199 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_start_sound_completed_cb, (void*)puid, &id);
1200 if (WAV_PLAYER_ERROR_NONE != ret) {
1201 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1202 is_sound_done = true;
1207 is_sound_done = true;
1210 /* 3. Create recorder & engine initialize */
1211 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, appid, credential, NULL);
1213 stt_client_unset_current_recognition();
1214 sttd_recorder_unset_audio_session();
1215 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1219 if (0 != strcmp(STTE_RECOGNITION_TYPE_FREE_PARTIAL, recognition_type)) {
1220 g_recording_timer = ecore_timer_add(g_recording_timeout, __stop_by_recording_timeout, NULL);
1223 /* change uid state */
1224 sttd_client_set_state(uid, APP_STATE_RECORDING);
1226 g_recording_log_count = 0;
1228 if (true == is_sound_done) {
1229 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1231 ret = sttd_engine_agent_recognize_start_recorder(uid);
1233 stt_client_unset_current_recognition();
1234 sttd_recorder_unset_audio_session();
1236 sttd_engine_agent_recognize_cancel();
1237 ecore_timer_del(g_recording_timer);
1238 sttd_client_set_state(uid, APP_STATE_READY);
1240 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1244 /* Notify uid state change */
1245 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1247 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1248 return STTD_RESULT_STATE_DONE;
1251 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Wait sound finish");
1253 return STTD_RESULT_STATE_NOT_DONE;
1256 Eina_Bool __time_out_for_processing(void *data)
1258 g_processing_timer = NULL;
1261 int uid = stt_client_get_current_recognition();
1262 if (0 == uid) return EINA_FALSE;
1265 int ret = sttd_engine_agent_recognize_cancel();
1267 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1270 if (0 != sttdc_send_result(uid, STTE_RESULT_EVENT_FINAL_RESULT, NULL, 0, "Time out not to receive recognition result.")) {
1271 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
1273 /* send error msg */
1274 int reason = (int)STTD_ERROR_TIMED_OUT;
1275 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
1276 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
1280 /* Change uid state */
1281 sttd_client_set_state(uid, APP_STATE_READY);
1283 stt_client_unset_current_recognition();
1288 void __sttd_server_engine_stop(void* data)
1290 intptr_t puid = (intptr_t)data;
1291 int uid = (int)puid;
1292 /* change uid state */
1293 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1295 /* Notify uid state change */
1296 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1298 /* Unset audio session */
1299 int ret = sttd_recorder_unset_audio_session();
1301 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1306 ret = sttd_engine_agent_recognize_stop_engine();
1308 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1312 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1315 void __sttd_stop_sound_completed_cb(int id, void *user_data)
1317 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop sound completed");
1319 /* After wav play callback, engine stop */
1320 ecore_main_loop_thread_safe_call_async(__sttd_server_engine_stop, user_data);
1322 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1323 SLOG(LOG_DEBUG, TAG_STTD, " ");
1327 int sttd_server_stop(int uid)
1329 /* check if uid is valid */
1331 if (0 != sttd_client_get_state(uid, &state)) {
1332 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1333 return STTD_ERROR_INVALID_PARAMETER;
1336 /* check uid state */
1337 if (APP_STATE_RECORDING != state) {
1338 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
1339 return STTD_ERROR_INVALID_STATE;
1342 if (NULL != g_recording_timer) {
1343 ecore_timer_del(g_recording_timer);
1344 g_recording_timer = NULL;
1348 if (0 != sttd_client_get_stop_sound(uid, &sound)) {
1349 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1350 return STTD_ERROR_OPERATION_FAILED;
1353 SLOG(LOG_DEBUG, TAG_STTD, "[Server] stop sound path : %s", sound);
1356 /* 1. Stop recorder */
1357 ret = sttd_engine_agent_recognize_stop_recorder();
1359 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1360 if (0 != sttd_engine_agent_recognize_cancel()) {
1361 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognize");
1363 if (NULL != sound) free(sound);
1367 /* 2. Request wav play */
1368 if (NULL != sound) {
1370 intptr_t puid = (intptr_t)uid;
1371 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_stop_sound_completed_cb, (void*)puid, &id);
1372 if (WAV_PLAYER_ERROR_NONE != ret) {
1373 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1375 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Play wav : %s", sound);
1380 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1382 return STTD_RESULT_STATE_NOT_DONE;
1384 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1386 /* Unset audio session */
1387 ret = sttd_recorder_unset_audio_session();
1389 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1394 ret = sttd_engine_agent_recognize_stop_engine();
1396 stt_client_unset_current_recognition();
1397 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1401 /* change uid state */
1402 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1404 /* Notify uid state change */
1405 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1407 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1409 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1411 return STTD_RESULT_STATE_DONE;
1414 return STTD_ERROR_NONE;
1417 int sttd_server_cancel(int uid)
1419 /* check if uid is valid */
1421 if (0 != sttd_client_get_state(uid, &state)) {
1422 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1423 return STTD_ERROR_INVALID_PARAMETER;
1426 /* check uid state */
1427 if (APP_STATE_READY == state) {
1428 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1429 return STTD_ERROR_NONE;
1432 stt_client_unset_current_recognition();
1434 if (NULL != g_recording_timer) {
1435 ecore_timer_del(g_recording_timer);
1436 g_recording_timer = NULL;
1439 if (NULL != g_processing_timer) {
1440 ecore_timer_del(g_processing_timer);
1441 g_processing_timer = NULL;
1444 if (APP_STATE_RECORDING == state) {
1445 /* Unset audio session */
1446 int ret = sttd_recorder_unset_audio_session();
1448 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1453 /* change uid state */
1454 sttd_client_set_state(uid, APP_STATE_READY);
1456 /* cancel engine recognition */
1457 int ret = sttd_engine_agent_recognize_cancel();
1459 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1463 /* Notify uid state change */
1464 sttdc_send_set_state(uid, APP_STATE_READY);
1466 return STTD_ERROR_NONE;