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()
545 struct dirent *dirp = NULL;
549 if (0 < g_list_length(g_proc_list)) {
550 iter = g_list_first(g_proc_list);
551 while (NULL != iter) {
552 g_proc_list = g_list_remove_link(g_proc_list, iter);
553 iter = g_list_first(g_proc_list);
557 dp = opendir("/proc");
559 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Fail to open proc");
565 tmp = atoi(dirp->d_name);
566 if (0 >= tmp) continue;
567 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
569 } while (NULL != dirp);
575 Eina_Bool sttd_cleanup_client(void *data)
577 int* client_list = NULL;
578 int client_count = 0;
583 if (0 != sttd_client_get_list(&client_list, &client_count)) {
584 if (NULL != client_list)
590 if (NULL != client_list) {
591 SLOG(LOG_DEBUG, TAG_STTD, "===== Clean up client ");
595 for (i = 0; i < client_count; i++) {
596 int pid = sttd_client_get_pid(client_list[i]);
598 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Invalid pid");
604 for (j = 0; j < g_list_length(g_proc_list); j++) {
605 iter = g_list_nth(g_proc_list, j);
607 if (pid == GPOINTER_TO_INT(iter->data)) {
608 SLOG(LOG_DEBUG, TAG_STTD, "uid (%d) is running", client_list[i]);
615 if (false == exist) {
616 SLOG(LOG_ERROR, TAG_STTD, "uid (%d) should be removed", client_list[i]);
617 sttd_server_finalize(client_list[i]);
620 result = sttdc_send_hello(client_list[i]);
623 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", client_list[i]);
624 sttd_server_finalize(client_list[i]);
625 } else if (-1 == result) {
626 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Hello result has error");
631 SLOG(LOG_DEBUG, TAG_STTD, "=====");
632 SLOG(LOG_DEBUG, TAG_STTD, " ");
641 * STT Server Functions for Client
644 int sttd_server_initialize(int pid, int uid, bool* silence, bool* credential)
646 int ret = STTD_ERROR_NONE;
648 /* check if uid is valid */
650 if (0 == sttd_client_get_state(uid, &state)) {
651 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] uid has already been registered");
652 return STTD_ERROR_NONE;
655 ret = sttd_engine_agent_get_option_supported(silence);
657 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine options supported");
661 ret = sttd_engine_agent_is_credential_needed(uid, credential);
663 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
667 /* Add client information to client manager */
668 ret = sttd_client_add(pid, uid);
670 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to add client info");
674 return STTD_ERROR_NONE;
677 static Eina_Bool __quit_ecore_loop(void *data)
679 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Quit");
681 stt_network_finalize();
683 ecore_main_loop_quit();
685 SLOG(LOG_DEBUG, TAG_STTD, "");
690 int sttd_server_finalize(int uid)
692 /* check if uid is valid */
694 if (0 != sttd_client_get_state(uid, &state)) {
695 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
696 return STTD_ERROR_INVALID_PARAMETER;
699 /* release recorder */
700 if (APP_STATE_RECORDING == state || APP_STATE_PROCESSING == state) {
701 if (APP_STATE_RECORDING == state) {
702 if (NULL != g_recording_timer) {
703 ecore_timer_del(g_recording_timer);
704 g_recording_timer = NULL;
708 if (APP_STATE_PROCESSING == state) {
709 if (NULL != g_processing_timer) {
710 ecore_timer_del(g_processing_timer);
711 g_processing_timer = NULL;
715 if (0 != sttd_engine_agent_recognize_cancel(uid)) {
716 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognition");
719 stt_client_unset_current_recognition();
722 /* Remove client information */
723 if (0 != sttd_client_delete(uid)) {
724 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to delete client");
727 /* unload engine, if ref count of client is 0 */
728 if (0 == sttd_client_get_ref_count()) {
729 // sttd_dbus_close_connection();
730 ecore_timer_add(0, __quit_ecore_loop, NULL);
733 return STTD_ERROR_NONE;
736 int sttd_server_get_supported_engines(int uid, GSList** engine_list)
738 /* Check if uid is valid */
740 if (0 != sttd_client_get_state(uid, &state)) {
741 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
742 return STTD_ERROR_INVALID_PARAMETER;
745 /* Check state of uid */
746 if (APP_STATE_READY != state) {
747 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
748 return STTD_ERROR_INVALID_STATE;
752 ret = sttd_engine_agent_get_engine_list(engine_list);
754 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine list");
758 return STTD_ERROR_NONE;
761 int sttd_server_set_current_engine(int uid, const char* engine_id, bool* silence, bool* credential)
763 /* Check if uid is valid */
765 if (0 != sttd_client_get_state(uid, &state)) {
766 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
767 return STTD_ERROR_INVALID_PARAMETER;
770 /* Check state of uid */
771 if (APP_STATE_READY != state) {
772 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
773 return STTD_ERROR_INVALID_STATE;
777 ret = sttd_engine_agent_load_current_engine(NULL);
779 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set engine : %d", ret);
783 ret = sttd_engine_agent_get_option_supported(silence);
785 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to engine options : %d", ret);
789 if (0 != sttd_engine_agent_is_credential_needed(uid, credential)) {
790 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get credential necessity");
794 return STTD_ERROR_NONE;
797 int sttd_server_get_current_engine(int uid, char** engine_id)
799 /* Check if uid is valid */
801 if (0 != sttd_client_get_state(uid, &state)) {
802 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
803 return STTD_ERROR_INVALID_PARAMETER;
806 /* Check state of uid */
807 if (APP_STATE_READY != state) {
808 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
809 return STTD_ERROR_INVALID_STATE;
813 ret = sttd_engine_agent_get_current_engine(engine_id);
815 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine : %d", ret);
819 return STTD_ERROR_NONE;
822 int sttd_server_check_app_agreed(int uid, const char* appid, bool* available)
824 /* Check if uid is valid */
826 if (0 != sttd_client_get_state(uid, &state)) {
827 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
828 return STTD_ERROR_INVALID_PARAMETER;
831 /* Check state of uid */
832 if (APP_STATE_READY != state) {
833 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] The state of uid(%d) is not Ready", uid);
834 return STTD_ERROR_INVALID_STATE;
837 /* Ask engine available */
840 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
842 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
847 stt_client_set_app_agreed(uid);
848 SLOG(LOG_DEBUG, TAG_STTD, "[Server] App(%s) confirmed that engine is available", appid);
853 return STTD_ERROR_NONE;
857 int sttd_server_get_supported_languages(int uid, GSList** lang_list)
859 /* check if uid is valid */
861 if (0 != sttd_client_get_state(uid, &state)) {
862 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
863 return STTD_ERROR_INVALID_PARAMETER;
866 /* get language list from engine */
867 int ret = sttd_engine_agent_supported_langs(lang_list);
869 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get supported languages");
873 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] sttd_server_get_supported_languages");
875 return STTD_ERROR_NONE;
878 int sttd_server_get_current_langauage(int uid, char** current_lang)
880 /* check if uid is valid */
882 if (0 != sttd_client_get_state(uid, &state)) {
883 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
884 return STTD_ERROR_INVALID_PARAMETER;
887 if (NULL == current_lang) {
888 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
889 return STTD_ERROR_INVALID_PARAMETER;
892 /*get current language from engine */
893 int ret = sttd_engine_agent_get_default_lang(current_lang);
895 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get default language :result(%d)", ret);
899 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get default language");
901 return STTD_ERROR_NONE;
904 int sttd_server_set_private_data(int uid, const char* key, const char* data)
906 /* check if uid is valid */
908 if (0 != sttd_client_get_state(uid, &state)) {
909 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
910 return STTD_ERROR_INVALID_PARAMETER;
913 if (NULL == key || NULL == data) {
914 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
915 return STTD_ERROR_INVALID_PARAMETER;
918 /* set private data to engine */
920 ret = sttd_engine_agent_set_private_data(key, data);
922 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set private data :result(%d)", ret);
926 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Set private data");
928 return STTD_ERROR_NONE;
931 int sttd_server_get_private_data(int uid, const char* key, char** data)
933 /* check if uid is valid */
935 if (0 != sttd_client_get_state(uid, &state)) {
936 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
937 return STTD_ERROR_INVALID_PARAMETER;
940 if (NULL == key || NULL == data) {
941 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
942 return STTD_ERROR_INVALID_PARAMETER;
945 /* get private data to engine */
947 ret = sttd_engine_agent_get_private_data(key, data);
949 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get private data :result(%d)", ret);
953 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Get private data, key(%s), data(%s)", key, *data);
955 return STTD_ERROR_NONE;
958 int sttd_server_is_recognition_type_supported(int uid, const char* type, int* support)
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 if (NULL == type || NULL == support) {
968 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
969 return STTD_ERROR_INVALID_PARAMETER;
973 int ret = sttd_engine_agent_is_recognition_type_supported(type, &temp);
975 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get recognition type supported : result(%d)", ret);
979 *support = (int)temp;
981 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] recognition type supporting is %s", *support ? "true" : "false");
983 return STTD_ERROR_NONE;
986 int sttd_server_set_start_sound(int uid, const char* file)
988 /* check if uid is valid */
990 if (0 != sttd_client_get_state(uid, &state)) {
991 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
992 return STTD_ERROR_INVALID_PARAMETER;
995 int ret = sttd_client_set_start_sound(uid, file);
997 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
1004 int sttd_server_set_stop_sound(int uid, const char* file)
1006 /* check if uid is valid */
1008 if (0 != sttd_client_get_state(uid, &state)) {
1009 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1010 return STTD_ERROR_INVALID_PARAMETER;
1013 int ret = sttd_client_set_stop_sound(uid, file);
1015 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set start sound file : result(%d)", ret);
1023 Eina_Bool __check_recording_state(void *data)
1026 int uid = stt_client_get_current_recognition();
1031 if (0 != sttdc_send_get_state(uid, (int*)&state)) {
1032 /* client is removed */
1033 SLOG(LOG_DEBUG, TAG_STTD, "[Server] uid(%d) should be removed.", uid);
1034 sttd_server_finalize(uid);
1038 if (APP_STATE_READY == state) {
1040 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Ready'. The STT service should cancel recording", uid);
1041 sttd_server_cancel(uid);
1042 } else if (APP_STATE_PROCESSING == state) {
1043 /* Cancel stt and send change state */
1044 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The state of uid(%d) is 'Processing'. The STT service should cancel recording", uid);
1045 sttd_server_cancel(uid);
1046 sttdc_send_set_state(uid, (int)APP_STATE_READY);
1049 SLOG(LOG_DEBUG, TAG_STTD, "[Server] The states of STT service and client are identical");
1057 Eina_Bool __stop_by_recording_timeout(void *data)
1059 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop by timeout");
1061 g_recording_timer = NULL;
1064 uid = stt_client_get_current_recognition();
1066 /* cancel engine recognition */
1067 int ret = sttd_server_stop(uid);
1069 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop : result(%d)", ret);
1073 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1074 SLOG(LOG_DEBUG, TAG_STTD, " ");
1079 void __sttd_server_recorder_start(void* data)
1081 intptr_t puid = (intptr_t)data;
1082 int uid = (int)puid;
1083 int current_uid = stt_client_get_current_recognition();
1085 if (uid != current_uid) {
1086 stt_client_unset_current_recognition();
1090 int ret = sttd_engine_agent_recognize_start_recorder(uid);
1092 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1096 /* Notify uid state change */
1097 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1099 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1102 void __sttd_start_sound_completed_cb(int id, void *user_data)
1104 SLOG(LOG_DEBUG, TAG_STTD, "===== Start sound completed");
1106 /* After wav play callback, recorder start */
1107 ecore_main_loop_thread_safe_call_async(__sttd_server_recorder_start, user_data);
1109 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1110 SLOG(LOG_DEBUG, TAG_STTD, " ");
1114 int sttd_server_start(int uid, const char* lang, const char* recognition_type, int silence, const char* appid, const char* credential)
1116 if (NULL == lang || NULL == recognition_type) {
1117 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Input parameter is NULL");
1118 return STTD_ERROR_INVALID_PARAMETER;
1121 /* check if uid is valid */
1123 if (0 != sttd_client_get_state(uid, &state)) {
1124 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1125 return STTD_ERROR_INVALID_PARAMETER;
1128 /* check uid state */
1129 if (APP_STATE_READY != state) {
1130 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] sttd_server_start : current state is not ready");
1131 return STTD_ERROR_INVALID_STATE;
1135 if (false == stt_client_get_app_agreed(uid)) {
1137 ret = sttd_engine_agent_check_app_agreed(appid, &temp);
1139 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get engine available : %d", ret);
1143 if (false == temp) {
1144 SLOG(LOG_ERROR, TAG_STTD, "[Server] App(%s) NOT confirmed that engine is available", appid);
1145 return STTD_ERROR_PERMISSION_DENIED;
1148 stt_client_set_app_agreed(uid);
1151 /* check if engine use network */
1152 if (true == sttd_engine_agent_need_network()) {
1153 if (false == stt_network_is_connected()) {
1154 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Disconnect network. Current engine needs to network connection.");
1155 return STTD_ERROR_OUT_OF_NETWORK;
1160 ret = sttd_client_get_start_sound(uid, &sound);
1162 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1166 if (0 != stt_client_set_current_recognition(uid)) {
1167 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current STT is busy because of recording or processing");
1168 if (NULL != sound) free(sound);
1169 return STTD_ERROR_RECORDER_BUSY;
1172 /* engine start recognition */
1173 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start : uid(%d), lang(%s), recog_type(%s)",
1174 uid, lang, recognition_type);
1176 SLOG(LOG_DEBUG, TAG_STTD, "[Server] start sound : %s", sound);
1178 /* 1. Set audio session */
1179 ret = sttd_recorder_set_audio_session();
1181 stt_client_unset_current_recognition();
1182 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to set session : %d", ret);
1183 if (NULL != sound) free(sound);
1187 bool is_sound_done = false;
1189 /* 2. Request wav play */
1190 if (NULL != sound) {
1192 intptr_t puid = (intptr_t)uid;
1193 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_start_sound_completed_cb, (void*)puid, &id);
1194 if (WAV_PLAYER_ERROR_NONE != ret) {
1195 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1196 is_sound_done = true;
1201 is_sound_done = true;
1204 /* 3. Create recorder & engine initialize */
1205 ret = sttd_engine_agent_recognize_start_engine(uid, lang, recognition_type, silence, appid, credential, NULL);
1207 stt_client_unset_current_recognition();
1208 sttd_recorder_unset_audio_session();
1209 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1213 if (0 != strcmp(STTE_RECOGNITION_TYPE_FREE_PARTIAL, recognition_type)) {
1214 g_recording_timer = ecore_timer_add(g_recording_timeout, __stop_by_recording_timeout, NULL);
1217 /* change uid state */
1218 sttd_client_set_state(uid, APP_STATE_RECORDING);
1220 g_recording_log_count = 0;
1222 if (true == is_sound_done) {
1223 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1225 ret = sttd_engine_agent_recognize_start_recorder(uid);
1227 stt_client_unset_current_recognition();
1228 sttd_recorder_unset_audio_session();
1230 sttd_engine_agent_recognize_cancel();
1231 ecore_timer_del(g_recording_timer);
1232 sttd_client_set_state(uid, APP_STATE_READY);
1234 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1238 /* Notify uid state change */
1239 sttdc_send_set_state(uid, APP_STATE_RECORDING);
1241 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Start recognition");
1242 return STTD_RESULT_STATE_DONE;
1245 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Wait sound finish");
1247 return STTD_RESULT_STATE_NOT_DONE;
1250 Eina_Bool __time_out_for_processing(void *data)
1252 g_processing_timer = NULL;
1255 int uid = stt_client_get_current_recognition();
1256 if (0 == uid) return EINA_FALSE;
1259 int ret = sttd_engine_agent_recognize_cancel();
1261 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1264 if (0 != sttdc_send_result(uid, STTE_RESULT_EVENT_FINAL_RESULT, NULL, 0, "Time out not to receive recognition result.")) {
1265 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send result ");
1267 /* send error msg */
1268 int reason = (int)STTD_ERROR_TIMED_OUT;
1269 if (0 != sttdc_send_error_signal(uid, reason, "[ERROR] Fail to send recognition result")) {
1270 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to send error info ");
1274 /* Change uid state */
1275 sttd_client_set_state(uid, APP_STATE_READY);
1277 stt_client_unset_current_recognition();
1282 void __sttd_server_engine_stop(void* data)
1284 intptr_t puid = (intptr_t)data;
1285 int uid = (int)puid;
1286 /* change uid state */
1287 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1289 /* Notify uid state change */
1290 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1292 /* Unset audio session */
1293 int ret = sttd_recorder_unset_audio_session();
1295 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1300 ret = sttd_engine_agent_recognize_stop_engine();
1302 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1306 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1309 void __sttd_stop_sound_completed_cb(int id, void *user_data)
1311 SLOG(LOG_DEBUG, TAG_STTD, "===== Stop sound completed");
1313 /* After wav play callback, engine stop */
1314 ecore_main_loop_thread_safe_call_async(__sttd_server_engine_stop, user_data);
1316 SLOG(LOG_DEBUG, TAG_STTD, "=====");
1317 SLOG(LOG_DEBUG, TAG_STTD, " ");
1321 int sttd_server_stop(int uid)
1323 /* check if uid is valid */
1325 if (0 != sttd_client_get_state(uid, &state)) {
1326 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1327 return STTD_ERROR_INVALID_PARAMETER;
1330 /* check uid state */
1331 if (APP_STATE_RECORDING != state) {
1332 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Current state is not recording");
1333 return STTD_ERROR_INVALID_STATE;
1336 if (NULL != g_recording_timer) {
1337 ecore_timer_del(g_recording_timer);
1338 g_recording_timer = NULL;
1342 if (0 != sttd_client_get_stop_sound(uid, &sound)) {
1343 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to get start beep sound");
1344 return STTD_ERROR_OPERATION_FAILED;
1347 SLOG(LOG_DEBUG, TAG_STTD, "[Server] stop sound path : %s", sound);
1350 /* 1. Stop recorder */
1351 ret = sttd_engine_agent_recognize_stop_recorder();
1353 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop recorder : result(%d)", ret);
1354 if (0 != sttd_engine_agent_recognize_cancel()) {
1355 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel recognize");
1357 if (NULL != sound) free(sound);
1361 /* 2. Request wav play */
1362 if (NULL != sound) {
1364 intptr_t puid = (intptr_t)uid;
1365 ret = wav_player_start(sound, SOUND_TYPE_MEDIA, __sttd_stop_sound_completed_cb, (void*)puid, &id);
1366 if (WAV_PLAYER_ERROR_NONE != ret) {
1367 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to play wav");
1369 SLOG(LOG_DEBUG, TAG_STTD, "[Server] Play wav : %s", sound);
1374 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1376 return STTD_RESULT_STATE_NOT_DONE;
1378 SLOG(LOG_DEBUG, TAG_STTD, "[Server] No sound play");
1380 /* Unset audio session */
1381 ret = sttd_recorder_unset_audio_session();
1383 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1388 ret = sttd_engine_agent_recognize_stop_engine();
1390 stt_client_unset_current_recognition();
1391 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to stop engine : result(%d)", ret);
1395 /* change uid state */
1396 sttd_client_set_state(uid, APP_STATE_PROCESSING);
1398 /* Notify uid state change */
1399 sttdc_send_set_state(uid, APP_STATE_PROCESSING);
1401 SLOG(LOG_DEBUG, TAG_STTD, "[Server SUCCESS] Stop recognition");
1403 g_processing_timer = ecore_timer_add(g_processing_timeout, __time_out_for_processing, NULL);
1405 return STTD_RESULT_STATE_DONE;
1408 return STTD_ERROR_NONE;
1411 int sttd_server_cancel(int uid)
1413 /* check if uid is valid */
1415 if (0 != sttd_client_get_state(uid, &state)) {
1416 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] uid is NOT valid ");
1417 return STTD_ERROR_INVALID_PARAMETER;
1420 /* check uid state */
1421 if (APP_STATE_READY == state) {
1422 SLOG(LOG_WARN, TAG_STTD, "[Server WARNING] Current state is ready");
1423 return STTD_ERROR_NONE;
1426 stt_client_unset_current_recognition();
1428 if (NULL != g_recording_timer) {
1429 ecore_timer_del(g_recording_timer);
1430 g_recording_timer = NULL;
1433 if (NULL != g_processing_timer) {
1434 ecore_timer_del(g_processing_timer);
1435 g_processing_timer = NULL;
1438 if (APP_STATE_RECORDING == state) {
1439 /* Unset audio session */
1440 int ret = sttd_recorder_unset_audio_session();
1442 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to unset session : %d", ret);
1447 /* change uid state */
1448 sttd_client_set_state(uid, APP_STATE_READY);
1450 /* cancel engine recognition */
1451 int ret = sttd_engine_agent_recognize_cancel();
1453 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to cancel : result(%d)", ret);
1457 /* Notify uid state change */
1458 sttdc_send_set_state(uid, APP_STATE_READY);
1460 return STTD_ERROR_NONE;