common/stt_config_mgr.c

   1 /*
   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.
  12 */
  13
  14 #include <dirent.h>
  15 #include <dlfcn.h>
  16 #include <dlog.h>
  17 #include <Ecore.h>
  18 #include <glib.h>
  19 #include <unistd.h>
  20 #include <sys/inotify.h>
  21 #include <vconf.h>
  22
  23 #include "stt_config_mgr.h"
  24 #include "stt_defs.h"
  25 #include "stt_config_parser.h"
  26
  27
  28 typedef struct {
  29         int     uid;
  30         stt_config_engine_changed_cb    engine_cb;
  31         stt_config_lang_changed_cb      lang_cb;
  32         stt_config_bool_changed_cb      bool_cb;
  33         void*   user_data;
  34 } stt_config_client_s;
  35
  36
  37 extern const char* stt_tag();
  38
  39 static GSList* g_engine_list = NULL;
  40
  41 static GSList* g_config_client_list = NULL;
  42
  43 static stt_config_s* g_config_info;
  44
  45 static Ecore_Fd_Handler* g_fd_handler_noti = NULL;
  46 static int g_fd_noti;
  47 static int g_wd_noti;
  48
  49 int __stt_config_mgr_print_engine_info();
  50
  51 bool __stt_config_mgr_check_lang_is_valid(const char* engine_id, const char* language)
  52 {
  53         if (NULL == engine_id || NULL == language) {
  54                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Input parameter is NULL");
  55                 return false;
  56         }
  57
  58         GSList *iter = NULL;
  59         stt_engine_info_s *engine_info = NULL;
  60
  61         if (0 >= g_slist_length(g_engine_list)) {
  62                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] There is no engine!!");
  63                 return false;
  64         }
  65
  66         /* Get a first item */
  67         iter = g_slist_nth(g_engine_list, 0);
  68
  69         while (NULL != iter) {
  70                 engine_info = iter->data;
  71
  72                 if (NULL == engine_info) {
  73                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Engine info is NULL");
  74                         return false;
  75                 }
  76
  77                 if (0 != strcmp(engine_id, engine_info->uuid)) {
  78                         iter = g_slist_next(iter);
  79                         continue;
  80                 }
  81
  82                 GSList *iter_lang = NULL;
  83                 char* engine_lang;
  84                 if (g_slist_length(engine_info->languages) > 0) {
  85                         /* Get a first item */
  86                         iter_lang = g_slist_nth(engine_info->languages, 0);
  87
  88                         int i = 1;
  89                         while (NULL != iter_lang) {
  90                                 /*Get handle data from list*/
  91                                 engine_lang = iter_lang->data;
  92
  93                                 SLOG(LOG_DEBUG, stt_tag(), "  [%dth] %s", i, engine_lang);
  94
  95                                 if (0 == strcmp(language, engine_lang)) {
  96                                         return true;
  97                                 }
  98
  99                                 /*Get next item*/
 100                                 iter_lang = g_slist_next(iter_lang);
 101                                 i++;
 102                         }
 103                 }
 104                 break;
 105         }
 106
 107         return false;
 108 }
 109
 110 int __stt_config_mgr_select_lang(const char* engine_id, char** language)
 111 {
 112         if (NULL == engine_id || NULL == language) {
 113                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Input parameter is NULL");
 114                 return false;
 115         }
 116
 117         GSList *iter = NULL;
 118         stt_engine_info_s *engine_info = NULL;
 119
 120         if (0 >= g_slist_length(g_engine_list)) {
 121                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] There is no engine!!");
 122                 return false;
 123         }
 124
 125         /* Get a first item */
 126         iter = g_slist_nth(g_engine_list, 0);
 127
 128         while (NULL != iter) {
 129                 engine_info = iter->data;
 130
 131                 if (NULL == engine_info) {
 132                         SLOG(LOG_ERROR, stt_tag(), "engine info is NULL");
 133                         return false;
 134                 }
 135
 136                 if (0 != strcmp(engine_id, engine_info->uuid)) {
 137                         iter = g_slist_next(iter);
 138                         continue;
 139                 }
 140
 141                 GSList *iter_lang = NULL;
 142                 char* engine_lang = NULL;
 143                 if (g_slist_length(engine_info->languages) > 0) {
 144                         /* Get a first item */
 145                         iter_lang = g_slist_nth(engine_info->languages, 0);
 146
 147                         while (NULL != iter_lang) {
 148                                 engine_lang = iter_lang->data;
 149                                 if (NULL != engine_lang) {
 150                                         /* Default language is STT_BASE_LANGUAGE */
 151                                         if (0 == strcmp(STT_BASE_LANGUAGE, engine_lang)) {
 152                                                 *language = strdup(engine_lang);
 153                                                 SLOG(LOG_DEBUG, stt_tag(), "Selected language : %s", (NULL == *language) ? "NULL" : *language);
 154                                                 return 0;
 155                                         }
 156                                 }
 157
 158                                 iter_lang = g_slist_next(iter_lang);
 159                         }
 160
 161                         /* Not support STT_BASE_LANGUAGE */
 162                         if (NULL != engine_lang) {
 163                                 *language = strdup(engine_lang);
 164                                 SLOG(LOG_DEBUG, stt_tag(), "Selected language : %s", (NULL == *language) ? "NULL" : *language);
 165                                 return 0;
 166                         }
 167                 }
 168                 break;
 169         }
 170
 171         return -1;
 172 }
 173
 174 Eina_Bool stt_config_mgr_inotify_event_cb(void* data, Ecore_Fd_Handler *fd_handler)
 175 {
 176         SLOG(LOG_DEBUG, stt_tag(), "===== Config changed callback event");
 177
 178         int length;
 179         struct inotify_event event;
 180         memset(&event, '\0', sizeof(struct inotify_event));
 181
 182         length = read(g_fd_noti, &event, sizeof(struct inotify_event));
 183         if (0 > length) {
 184                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Empty Inotify event");
 185                 SLOG(LOG_DEBUG, stt_tag(), "=====");
 186                 SLOG(LOG_DEBUG, stt_tag(), " ");
 187                 return ECORE_CALLBACK_PASS_ON;
 188         }
 189
 190         if (IN_MODIFY == event.mask) {
 191                 char* engine = NULL;
 192                 char* setting = NULL;
 193                 char* lang = NULL;
 194                 int auto_lang = -1;
 195                 int silence = -1;
 196                 int credential = -1;
 197
 198                 GSList *iter = NULL;
 199                 stt_config_client_s* temp_client = NULL;
 200
 201                 if (0 != stt_parser_find_config_changed(&engine, &setting, &auto_lang, &lang, &silence, &credential))
 202                         return ECORE_CALLBACK_PASS_ON;
 203
 204                 /* Engine changed */
 205                 if (NULL != engine || NULL != setting) {
 206                         /* engine changed */
 207                         if (NULL != engine) {
 208                                 if (NULL != g_config_info->engine_id)   free(g_config_info->engine_id);
 209                                 g_config_info->engine_id = strdup(engine);
 210                         }
 211
 212                         if (NULL != setting) {
 213                                 if (NULL != g_config_info->setting)     free(g_config_info->setting);
 214                                 g_config_info->setting = strdup(setting);
 215                         }
 216
 217                         if (NULL != lang) {
 218                                 if (NULL != g_config_info->language)    free(g_config_info->language);
 219                                 g_config_info->language = strdup(lang);
 220                         }
 221
 222                         if (-1 != silence)      g_config_info->silence_detection = silence;
 223
 224                         if (-1 != credential)   g_config_info->credential = credential;
 225
 226                         /* Call all callbacks of client*/
 227                         iter = g_slist_nth(g_config_client_list, 0);
 228
 229                         while (NULL != iter) {
 230                                 temp_client = iter->data;
 231
 232                                 if (NULL != temp_client) {
 233                                         if (NULL != temp_client->engine_cb) {
 234                                                 temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting, g_config_info->language,
 235                                                         g_config_info->silence_detection, g_config_info->credential, temp_client->user_data);
 236                                         }
 237                                 }
 238
 239                                 iter = g_slist_next(iter);
 240                         }
 241                 }
 242
 243                 if (-1 != auto_lang) {
 244                         g_config_info->auto_lang = auto_lang;
 245                 }
 246
 247                 /* Only language changed */
 248                 if (NULL == engine && NULL != lang) {
 249                         char* before_lang = NULL;
 250                         before_lang = strdup(g_config_info->language);
 251
 252                         if (NULL != lang) {
 253                                 if (NULL != g_config_info->language)    free(g_config_info->language);
 254                                 g_config_info->language = strdup(lang);
 255                         }
 256
 257                         /* Call all callbacks of client*/
 258                         iter = g_slist_nth(g_config_client_list, 0);
 259
 260                         while (NULL != iter) {
 261                                 temp_client = iter->data;
 262
 263                                 if (NULL != temp_client) {
 264                                         if (NULL != temp_client->lang_cb) {
 265                                                 temp_client->lang_cb(before_lang, g_config_info->language, temp_client->user_data);
 266                                         }
 267                                 }
 268
 269                                 iter = g_slist_next(iter);
 270                         }
 271
 272                         if (NULL != before_lang) {
 273                                 free(before_lang);
 274                         }
 275                 }
 276
 277                 if (-1 != silence) {
 278                         /* silence detection changed */
 279                         g_config_info->silence_detection = silence;
 280
 281                         /* Call all callbacks of client*/
 282                         iter = g_slist_nth(g_config_client_list, 0);
 283
 284                         while (NULL != iter) {
 285                                 temp_client = iter->data;
 286
 287                                 if (NULL != temp_client) {
 288                                         if (NULL != temp_client->bool_cb) {
 289                                                 temp_client->bool_cb(STT_CONFIG_TYPE_OPTION_SILENCE_DETECTION, silence, temp_client->user_data);
 290                                         }
 291                                 }
 292
 293                                 iter = g_slist_next(iter);
 294                         }
 295                 }
 296
 297                 if (NULL != engine)     free(engine);
 298                 if (NULL != setting)    free(setting);
 299                 if (NULL != lang)       free(lang);
 300         } else {
 301                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Undefined event");
 302         }
 303
 304         SLOG(LOG_DEBUG, stt_tag(), "=====");
 305         SLOG(LOG_DEBUG, stt_tag(), " ");
 306
 307         return ECORE_CALLBACK_PASS_ON;
 308 }
 309
 310 int __stt_config_mgr_register_config_event()
 311 {
 312         /* get file notification handler */
 313         int fd;
 314         int wd;
 315
 316         fd = inotify_init();
 317         if (fd < 0) {
 318                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail get inotify fd");
 319                 return -1;
 320         }
 321         g_fd_noti = fd;
 322
 323         wd = inotify_add_watch(fd, STT_CONFIG, IN_MODIFY);
 324         g_wd_noti = wd;
 325
 326         g_fd_handler_noti = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)stt_config_mgr_inotify_event_cb, NULL, NULL, NULL);
 327         if (NULL == g_fd_handler_noti) {
 328                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to get handler_noti");
 329                 return -1;
 330         }
 331
 332         return 0;
 333 }
 334
 335 int __stt_config_mgr_unregister_config_event()
 336 {
 337         /* delete inotify variable */
 338         ecore_main_fd_handler_del(g_fd_handler_noti);
 339         inotify_rm_watch(g_fd_noti, g_wd_noti);
 340         close(g_fd_noti);
 341
 342         return 0;
 343 }
 344
 345 int __stt_config_set_auto_language()
 346 {
 347         char* value = NULL;
 348         char candidate_lang[6] = {'\0', };
 349
 350         value = vconf_get_str(VCONFKEY_LANGSET);
 351         if (NULL == value) {
 352                 SLOG(LOG_ERROR, stt_tag(), "[Config ERROR] Fail to get display language");
 353                 return -1;
 354         }
 355
 356         strncpy(candidate_lang, value, 5);
 357         free(value);
 358
 359         /* Check current config info */
 360         if (NULL == g_config_info) {
 361                 SLOG(LOG_ERROR, stt_tag(), "Current config info is NULL");
 362                 return STT_CONFIG_ERROR_OPERATION_FAILED;
 363         }
 364
 365         /* Check current language */
 366         if (NULL == g_config_info->language) {
 367                 SLOG(LOG_ERROR, stt_tag(), "Current config language is NULL");
 368                 return STT_CONFIG_ERROR_OPERATION_FAILED;
 369         }
 370
 371         if (0 == strncmp(g_config_info->language, candidate_lang, 5)) {
 372                 SLOG(LOG_DEBUG, stt_tag(), "[Config] Language is auto. STT language(%s) is same with display lang", g_config_info->language);
 373                 return 0;
 374         } else {
 375                 SLOG(LOG_DEBUG, stt_tag(), "[Config] Display language : %s", candidate_lang);
 376         }
 377
 378         if (true == __stt_config_mgr_check_lang_is_valid(g_config_info->engine_id, candidate_lang)) {
 379                 char* before_lang = NULL;
 380                 if (0 != stt_parser_set_language(candidate_lang)) {
 381                         SLOG(LOG_ERROR, stt_tag(), "Fail to save default language");
 382                         return -1;
 383                 }
 384
 385                 before_lang = strdup(g_config_info->language);
 386
 387                 free(g_config_info->language);
 388                 g_config_info->language = strdup(candidate_lang);
 389
 390                 SLOG(LOG_DEBUG, stt_tag(), "[Config] Language is auto. Set default language(%s)", g_config_info->language);
 391
 392                 /* Call all callbacks of client*/
 393                 GSList *iter = NULL;
 394                 stt_config_client_s* temp_client = NULL;
 395
 396                 iter = g_slist_nth(g_config_client_list, 0);
 397
 398                 while (NULL != iter) {
 399                         temp_client = iter->data;
 400
 401                         if (NULL != temp_client) {
 402                                 if (NULL != temp_client->lang_cb) {
 403                                         temp_client->lang_cb(before_lang, g_config_info->language, temp_client->user_data);
 404                                 }
 405                         }
 406
 407                         iter = g_slist_next(iter);
 408                 }
 409
 410                 if (NULL != before_lang) {
 411                         free(before_lang);
 412                 }
 413         } else {
 414                 /* Candidate language is not valid */
 415                 char* tmp_language = NULL;
 416                 if (0 != __stt_config_mgr_select_lang(g_config_info->engine_id, &tmp_language)) {
 417                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to select language");
 418                         return -1;
 419                 }
 420
 421                 if (NULL == tmp_language) {
 422                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Selected language is NULL");
 423                         return -1;
 424                 }
 425
 426                 if (0 != stt_parser_set_language(tmp_language)) {
 427                         free(tmp_language);
 428                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to save config");
 429                         return -1;
 430                 }
 431
 432                 SLOG(LOG_DEBUG, stt_tag(), "[Config] Language is auto but display lang is not supported. Default language change(%s)", tmp_language);
 433
 434                 /* Call all callbacks of client*/
 435                 GSList *iter = NULL;
 436                 stt_config_client_s* temp_client = NULL;
 437
 438                 iter = g_slist_nth(g_config_client_list, 0);
 439
 440                 while (NULL != iter) {
 441                         temp_client = iter->data;
 442
 443                         if (NULL != temp_client) {
 444                                 if (NULL != temp_client->lang_cb) {
 445                                         temp_client->lang_cb(g_config_info->language, tmp_language, temp_client->user_data);
 446                                 }
 447                         }
 448
 449                         iter = g_slist_next(iter);
 450                 }
 451
 452                 free(g_config_info->language);
 453                 g_config_info->language = strdup(tmp_language);
 454
 455                 free(tmp_language);
 456         }
 457
 458         return 0;
 459 }
 460
 461 void __stt_config_language_changed_cb(keynode_t *key, void *data)
 462 {
 463         if (true == g_config_info->auto_lang) {
 464                 /* Get voice input vconf key */
 465                 __stt_config_set_auto_language();
 466         }
 467
 468         return;
 469 }
 470
 471 void __stt_config_release_client(int uid)
 472 {
 473         GSList *iter = NULL;
 474         stt_config_client_s* temp_client = NULL;
 475
 476         if (0 < g_slist_length(g_config_client_list)) {
 477                 /* Check uid */
 478                 iter = g_slist_nth(g_config_client_list, 0);
 479
 480                 while (NULL != iter) {
 481                         temp_client = iter->data;
 482
 483                         if (NULL != temp_client) {
 484                                 if (uid == temp_client->uid) {
 485                                         g_config_client_list = g_slist_remove(g_config_client_list, temp_client);
 486                                         free(temp_client);
 487                                         temp_client = NULL;
 488                                         break;
 489                                 }
 490                         }
 491
 492                         iter = g_slist_next(iter);
 493                 }
 494         }
 495
 496         if (0 < g_slist_length(g_config_client_list)) {
 497                 SLOG(LOG_DEBUG, stt_tag(), "Client count (%d)", g_slist_length(g_config_client_list));
 498         }
 499         return;
 500 }
 501
 502 void __stt_config_release_engine()
 503 {
 504         GSList *iter = NULL;
 505         stt_engine_info_s *engine_info = NULL;
 506
 507         if (0 < g_slist_length(g_engine_list)) {
 508
 509                 /* Get a first item */
 510                 iter = g_slist_nth(g_engine_list, 0);
 511
 512                 while (NULL != iter) {
 513                         engine_info = iter->data;
 514
 515                         if (NULL != engine_info) {
 516                                 g_engine_list = g_slist_remove(g_engine_list, engine_info);
 517
 518                                 stt_parser_free_engine_info(engine_info);
 519                         }
 520
 521                         iter = g_slist_nth(g_engine_list, 0);
 522                 }
 523         }
 524         return;
 525 }
 526
 527 int __stt_config_mgr_check_engine_is_valid(const char* engine_id)
 528 {
 529         if (NULL == engine_id) {
 530                 SLOG(LOG_ERROR, stt_tag(), "Input parameter is NULL");
 531                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
 532         }
 533
 534         GSList *iter = NULL;
 535         stt_engine_info_s *engine_info = NULL;
 536
 537         if (0 >= g_slist_length(g_engine_list)) {
 538                 SLOG(LOG_ERROR, stt_tag(), "There is no engine!!");
 539                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 540         }
 541
 542         /* Get a first item */
 543         iter = g_slist_nth(g_engine_list, 0);
 544
 545         while (NULL != iter) {
 546                 engine_info = iter->data;
 547
 548                 if (NULL == engine_info) {
 549                         SLOG(LOG_ERROR, stt_tag(), "engine info is NULL");
 550                         return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 551                 }
 552
 553                 if (0 == strcmp(engine_id, engine_info->uuid)) {
 554                         SLOG(LOG_DEBUG, stt_tag(), "Default engine is valid : %s", engine_id);
 555                         return STT_CONFIG_ERROR_NONE;
 556                 }
 557
 558                 iter = g_slist_next(iter);
 559         }
 560
 561         /* Change default engine */
 562         iter = g_slist_nth(g_engine_list, 0);
 563         engine_info = iter->data;
 564         if (NULL == engine_info) {
 565                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Engine info is NULL");
 566                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 567         }
 568
 569         if (NULL != g_config_info->engine_id) {
 570                 free(g_config_info->engine_id);
 571                 g_config_info->engine_id = NULL;
 572         }
 573         if (NULL != g_config_info->setting) {
 574                 free(g_config_info->setting);
 575                 g_config_info->setting = NULL;
 576         }
 577
 578         if (NULL != engine_info->uuid) {
 579                 g_config_info->engine_id = strdup(engine_info->uuid);
 580         }
 581
 582         if (NULL != engine_info->setting) {
 583                 g_config_info->setting = strdup(engine_info->setting);
 584         }
 585
 586         /* Engine is valid*/
 587         GSList *iter_lang = NULL;
 588         char* lang;
 589         bool is_valid_lang = false;
 590
 591         if (0 >= g_slist_length(engine_info->languages)) {
 592                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Empty supported language");
 593                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 594         }
 595
 596         /* Get a first item */
 597         iter_lang = g_slist_nth(engine_info->languages, 0);
 598
 599         while (NULL != iter_lang) {
 600                 /*Get handle data from list*/
 601                 lang = iter_lang->data;
 602
 603                 SLOG(LOG_DEBUG, stt_tag(), " %s", lang);
 604                 if (NULL != lang) {
 605                         if (0 == strcmp(lang, g_config_info->language)) {
 606                                 /* language is valid */
 607                                 is_valid_lang = true;
 608                                 break;
 609                         }
 610                 }
 611
 612                 /*Get next item*/
 613                 iter_lang = g_slist_next(iter_lang);
 614         }
 615
 616         if (false == is_valid_lang) {
 617                 iter_lang = g_slist_nth(engine_info->languages, 0);
 618                 if (NULL != iter_lang) {
 619                         lang = iter_lang->data;
 620                         if (NULL != lang) {
 621                                 if (NULL != g_config_info->language)
 622                                         free(g_config_info->language);
 623                                 g_config_info->language = strdup(lang);
 624                         }
 625                 }
 626         }
 627
 628         /* Check options */
 629         if (false == engine_info->support_silence_detection) {
 630                 if (true == g_config_info->silence_detection)
 631                         g_config_info->silence_detection = false;
 632         }
 633
 634         SLOG(LOG_DEBUG, stt_tag(), "[Config] Engine changed");
 635         SLOG(LOG_DEBUG, stt_tag(), "  Engine : %s", g_config_info->engine_id);
 636         SLOG(LOG_DEBUG, stt_tag(), "  Setting : %s", g_config_info->setting);
 637         SLOG(LOG_DEBUG, stt_tag(), "  language : %s", g_config_info->language);
 638         SLOG(LOG_DEBUG, stt_tag(), "  Silence detection : %s", g_config_info->silence_detection ? "on" : "off");
 639         SLOG(LOG_DEBUG, stt_tag(), "  Credential : %s", g_config_info->credential ? "true" : "false");
 640
 641         if (0 != stt_parser_set_engine(g_config_info->engine_id, g_config_info->setting, g_config_info->language,
 642                 g_config_info->silence_detection, g_config_info->credential)) {
 643                         SLOG(LOG_ERROR, stt_tag(), " Fail to save config");
 644                         return STT_CONFIG_ERROR_OPERATION_FAILED;
 645         }
 646
 647         return STT_CONFIG_ERROR_NONE;
 648 }
 649
 650 int stt_config_mgr_initialize(int uid)
 651 {
 652         GSList *iter = NULL;
 653         int* get_uid;
 654         stt_config_client_s* temp_client = NULL;
 655
 656         if (0 < g_slist_length(g_config_client_list)) {
 657                 /* Check uid */
 658                 iter = g_slist_nth(g_config_client_list, 0);
 659
 660                 while (NULL != iter) {
 661                         get_uid = iter->data;
 662
 663                         if (uid == *get_uid) {
 664                                 SLOG(LOG_WARN, stt_tag(), "[CONFIG] uid(%d) has already registered", uid);
 665                                 return 0;
 666                         }
 667
 668                         iter = g_slist_next(iter);
 669                 }
 670
 671                 temp_client = (stt_config_client_s*)calloc(1, sizeof(stt_config_client_s));
 672                 if (NULL == temp_client) {
 673                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to allocate memory");
 674                         return STT_CONFIG_ERROR_OUT_OF_MEMORY;
 675                 }
 676                 temp_client->uid = uid;
 677                 temp_client->bool_cb = NULL;
 678                 temp_client->engine_cb = NULL;
 679                 temp_client->lang_cb = NULL;
 680                 temp_client->user_data = NULL;
 681
 682                 /* Add uid */
 683                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
 684
 685                 SLOG(LOG_WARN, stt_tag(), "[CONFIG] Add uid(%d) but config has already initialized", uid);
 686                 return STT_CONFIG_ERROR_NONE;
 687         }
 688
 689         /* Get file name from default engine directory */
 690         DIR *dp = NULL;
 691         int ret = -1;
 692         struct dirent entry;
 693         struct dirent *dirp = NULL;
 694
 695         g_engine_list = NULL;
 696
 697         SLOG(LOG_WARN, stt_tag(), "[CONFIG] default engine info(%s)", STT_DEFAULT_ENGINE_INFO);
 698         dp  = opendir(STT_DEFAULT_ENGINE_INFO);
 699         if (NULL != dp) {
 700                 do {
 701                         ret = readdir_r(dp, &entry, &dirp);
 702                         if (0 != ret) {
 703                                 SLOG(LOG_ERROR, stt_tag(), "[File ERROR] Fail to read directory");
 704                                 break;
 705                         }
 706
 707                         if (NULL != dirp) {
 708                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
 709                                         continue;
 710
 711                                 stt_engine_info_s* info;
 712                                 char* filepath;
 713                                 int filesize;
 714
 715                                 filesize = strlen(STT_DEFAULT_ENGINE_INFO) + strlen(dirp->d_name) + 5;
 716                                 filepath = (char*)calloc(filesize, sizeof(char));
 717
 718                                 if (NULL != filepath) {
 719                                         snprintf(filepath, filesize, "%s/%s", STT_DEFAULT_ENGINE_INFO, dirp->d_name);
 720                                 } else {
 721                                         SLOG(LOG_ERROR, stt_tag(), "[Config ERROR] Memory not enough!!");
 722                                         continue;
 723                                 }
 724
 725                                 if (0 == stt_parser_get_engine_info(filepath, &info)) {
 726                                         g_engine_list = g_slist_append(g_engine_list, info);
 727                                 }
 728
 729                                 if (NULL != filepath)
 730                                         free(filepath);
 731                         }
 732                 } while (NULL != dirp);
 733
 734                 closedir(dp);
 735         } else {
 736                 SLOG(LOG_WARN, stt_tag(), "[Config WARNING] Fail to open default directory");
 737         }
 738
 739         __stt_config_mgr_print_engine_info();
 740
 741         if (0 != stt_parser_load_config(&g_config_info)) {
 742                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to parse configure information");
 743                 __stt_config_release_client(uid);
 744                 __stt_config_release_engine();
 745                 return STT_CONFIG_ERROR_OPERATION_FAILED;
 746         }
 747
 748         /* Check whether engine id is valid */
 749         if (0 != __stt_config_mgr_check_engine_is_valid(g_config_info->engine_id)) {
 750                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to get default engine");
 751                 __stt_config_release_client(uid);
 752                 __stt_config_release_engine();
 753                 stt_parser_unload_config(g_config_info);
 754                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 755         }
 756
 757         if (true == g_config_info->auto_lang) {
 758                 /* Check language with display language */
 759                 __stt_config_set_auto_language();
 760         } else {
 761                 if (false == __stt_config_mgr_check_lang_is_valid(g_config_info->engine_id, g_config_info->language)) {
 762                         /* Default language is not valid */
 763                         char* tmp_language;
 764                         if (0 != __stt_config_mgr_select_lang(g_config_info->engine_id, &tmp_language)) {
 765                                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to select language");
 766                                 __stt_config_release_client(uid);
 767                                 __stt_config_release_engine();
 768                                 stt_parser_unload_config(g_config_info);
 769                                 return STT_CONFIG_ERROR_OPERATION_FAILED;
 770                         }
 771
 772                         if (NULL != tmp_language) {
 773                                 if (NULL != g_config_info->language) {
 774                                         free(g_config_info->language);
 775                                         g_config_info->language = strdup(tmp_language);
 776                                 }
 777
 778                                 free(tmp_language);
 779                         }
 780                 }
 781         }
 782
 783         /* print daemon config */
 784         SLOG(LOG_DEBUG, stt_tag(), "== Daemon config ==");
 785         SLOG(LOG_DEBUG, stt_tag(), " engine : %s", g_config_info->engine_id);
 786         SLOG(LOG_DEBUG, stt_tag(), " setting : %s", g_config_info->setting);
 787         SLOG(LOG_DEBUG, stt_tag(), " auto language : %s", g_config_info->auto_lang ? "on" : "off");
 788         SLOG(LOG_DEBUG, stt_tag(), " language : %s", g_config_info->language);
 789         SLOG(LOG_DEBUG, stt_tag(), " silence detection : %s", g_config_info->silence_detection ? "on" : "off");
 790         SLOG(LOG_DEBUG, stt_tag(), " credential : %s", g_config_info->credential ? "true" : "false");
 791         SLOG(LOG_DEBUG, stt_tag(), "===================");
 792
 793         if (0 != __stt_config_mgr_register_config_event()) {
 794                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to register config event");
 795                 __stt_config_release_client(uid);
 796                 __stt_config_release_engine();
 797                 stt_parser_unload_config(g_config_info);
 798                 return STT_CONFIG_ERROR_OPERATION_FAILED;
 799         }
 800
 801         /* Register to detect display language change */
 802         vconf_notify_key_changed(VCONFKEY_LANGSET, __stt_config_language_changed_cb, NULL);
 803
 804         temp_client = (stt_config_client_s*)calloc(1, sizeof(stt_config_client_s));
 805         if (NULL == temp_client) {
 806                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to allocate memory");
 807                 return STT_CONFIG_ERROR_OUT_OF_MEMORY;
 808         }
 809         temp_client->uid = uid;
 810         temp_client->bool_cb = NULL;
 811         temp_client->engine_cb = NULL;
 812         temp_client->lang_cb = NULL;
 813         temp_client->user_data = NULL;
 814
 815         /* Add uid */
 816         g_config_client_list = g_slist_append(g_config_client_list, temp_client);
 817
 818         return STT_CONFIG_ERROR_NONE;
 819 }
 820
 821 int stt_config_mgr_finalize(int uid)
 822 {
 823         GSList *iter = NULL;
 824         stt_config_client_s* temp_client = NULL;
 825
 826         if (0 < g_slist_length(g_config_client_list)) {
 827                 /* Check uid */
 828                 iter = g_slist_nth(g_config_client_list, 0);
 829
 830                 while (NULL != iter) {
 831                         temp_client = iter->data;
 832
 833                         if (NULL != temp_client) {
 834                                 if (uid == temp_client->uid) {
 835                                         g_config_client_list = g_slist_remove(g_config_client_list, temp_client);
 836                                         free(temp_client);
 837                                         temp_client = NULL;
 838                                         break;
 839                                 }
 840                         }
 841
 842                         iter = g_slist_next(iter);
 843                 }
 844         }
 845
 846         if (0 < g_slist_length(g_config_client_list)) {
 847                 SLOG(LOG_DEBUG, stt_tag(), "Client count (%d)", g_slist_length(g_config_client_list));
 848                 return STT_CONFIG_ERROR_NONE;
 849         }
 850
 851         stt_engine_info_s *engine_info = NULL;
 852
 853         if (0 < g_slist_length(g_engine_list)) {
 854
 855                 /* Get a first item */
 856                 iter = g_slist_nth(g_engine_list, 0);
 857
 858                 while (NULL != iter) {
 859                         engine_info = iter->data;
 860
 861                         if (NULL != engine_info) {
 862                                 g_engine_list = g_slist_remove(g_engine_list, engine_info);
 863
 864                                 stt_parser_free_engine_info(engine_info);
 865                         }
 866
 867                         iter = g_slist_nth(g_engine_list, 0);
 868                 }
 869         }
 870
 871         vconf_ignore_key_changed(VCONFKEY_LANGSET, __stt_config_language_changed_cb);
 872
 873         __stt_config_mgr_unregister_config_event();
 874
 875         if (NULL != g_config_info) {
 876                 stt_parser_unload_config(g_config_info);
 877                 g_config_info = NULL;
 878         }
 879
 880         return STT_CONFIG_ERROR_NONE;
 881 }
 882
 883 int stt_config_mgr_set_callback(int uid, stt_config_engine_changed_cb engine_cb, stt_config_lang_changed_cb lang_cb, stt_config_bool_changed_cb bool_cb, void* user_data)
 884 {
 885         GSList *iter = NULL;
 886         stt_config_client_s* temp_client = NULL;
 887
 888         /* Call all callbacks of client*/
 889         iter = g_slist_nth(g_config_client_list, 0);
 890
 891         while (NULL != iter) {
 892                 temp_client = iter->data;
 893
 894                 if (NULL != temp_client) {
 895                         if (uid == temp_client->uid) {
 896                                 temp_client->engine_cb = engine_cb;
 897                                 temp_client->lang_cb = lang_cb;
 898                                 temp_client->bool_cb = bool_cb;
 899                                 temp_client->user_data = user_data;
 900                         }
 901                 }
 902
 903                 iter = g_slist_next(iter);
 904         }
 905
 906         return STT_CONFIG_ERROR_NONE;
 907 }
 908
 909 int stt_config_mgr_unset_callback(int uid)
 910 {
 911         GSList *iter = NULL;
 912         stt_config_client_s* temp_client = NULL;
 913
 914         /* Call all callbacks of client*/
 915         iter = g_slist_nth(g_config_client_list, 0);
 916
 917         while (NULL != iter) {
 918                 temp_client = iter->data;
 919
 920                 if (NULL != temp_client) {
 921                         if (uid == temp_client->uid) {
 922                                 temp_client->engine_cb = NULL;
 923                                 temp_client->lang_cb = NULL;
 924                                 temp_client->bool_cb = NULL;
 925                                 temp_client->user_data = NULL;
 926                         }
 927                 }
 928
 929                 iter = g_slist_next(iter);
 930         }
 931
 932         return STT_CONFIG_ERROR_NONE;
 933 }
 934
 935 int stt_config_mgr_get_engine_list(stt_config_supported_engine_cb callback, void* user_data)
 936 {
 937         if (0 >= g_slist_length(g_config_client_list)) {
 938                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
 939                 return STT_CONFIG_ERROR_INVALID_STATE;
 940         }
 941
 942         if (NULL == callback) {
 943                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
 944         }
 945
 946         GSList *iter = NULL;
 947         stt_engine_info_s *engine_info = NULL;
 948
 949         if (0 >= g_slist_length(g_engine_list)) {
 950                 SLOG(LOG_WARN, stt_tag(), "[ERROR] Engine list is NULL");
 951                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 952         }
 953
 954         /* Get a first item */
 955         iter = g_slist_nth(g_engine_list, 0);
 956
 957         while (NULL != iter) {
 958                 engine_info = iter->data;
 959
 960                 if (NULL == engine_info) {
 961                         SLOG(LOG_ERROR, stt_tag(), " Engine info is NULL");
 962                         return STT_CONFIG_ERROR_OPERATION_FAILED;
 963                 }
 964
 965                 if (false == callback(engine_info->uuid, engine_info->name,
 966                         engine_info->setting, engine_info->support_silence_detection, user_data)) {
 967                         break;
 968                 }
 969
 970                 iter = g_slist_next(iter);
 971         }
 972
 973         return STT_CONFIG_ERROR_NONE;
 974 }
 975
 976 int stt_config_mgr_get_engine(char** engine)
 977 {
 978         if (0 >= g_slist_length(g_config_client_list)) {
 979                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
 980                 return STT_CONFIG_ERROR_INVALID_STATE;
 981         }
 982
 983         if (NULL == engine) {
 984                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
 985         }
 986
 987         if (NULL != g_config_info->engine_id) {
 988                 *engine = strdup(g_config_info->engine_id);
 989         } else {
 990                 SLOG(LOG_ERROR, stt_tag(), " Engine id is NULL");
 991                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
 992         }
 993
 994         return STT_CONFIG_ERROR_NONE;
 995 }
 996
 997 int stt_config_mgr_set_engine(const char* engine)
 998 {
 999         if (0 >= g_slist_length(g_config_client_list)) {
1000                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1001                 return STT_CONFIG_ERROR_INVALID_STATE;
1002         }
1003
1004         if (NULL == g_config_info) {
1005                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1006         }
1007
1008         if (NULL == engine || NULL == g_config_info->engine_id) {
1009                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1010         }
1011
1012         /* Check current engine id with new engine id */
1013         if (0 == strcmp(g_config_info->engine_id, engine)) {
1014                 return 0;
1015         }
1016
1017         SLOG(LOG_DEBUG, stt_tag(), "New engine id : %s", engine);
1018
1019         GSList *iter = NULL;
1020         stt_engine_info_s *engine_info = NULL;
1021         bool is_valid_engine = false;
1022
1023         /* Get a first item */
1024         iter = g_slist_nth(g_engine_list, 0);
1025
1026         while (NULL != iter) {
1027                 engine_info = iter->data;
1028
1029                 if (NULL == engine_info) {
1030                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Engine info is NULL");
1031                         iter = g_slist_next(iter);
1032                         continue;
1033                 }
1034
1035                 /* Check engine id is valid */
1036                 if (0 != strcmp(engine, engine_info->uuid)) {
1037                         iter = g_slist_next(iter);
1038                         continue;
1039                 }
1040
1041                 if (NULL != g_config_info->engine_id)
1042                         free(g_config_info->engine_id);
1043
1044                 g_config_info->engine_id = strdup(engine);
1045
1046                 if (NULL != g_config_info->setting) {
1047                         free(g_config_info->setting);
1048                 }
1049
1050                 if (NULL != engine_info->setting) {
1051                         g_config_info->setting = strdup(engine_info->setting);
1052                 } else {
1053                         g_config_info->setting = NULL;
1054                 }
1055
1056                 /* Engine is valid*/
1057                 GSList *iter_lang = NULL;
1058                 char* lang;
1059                 bool is_valid_lang = false;
1060
1061                 /* Get a first item */
1062                 iter_lang = g_slist_nth(engine_info->languages, 0);
1063
1064                 while (NULL != iter_lang) {
1065                         /*Get handle data from list*/
1066                         lang = iter_lang->data;
1067
1068                         SLOG(LOG_DEBUG, stt_tag(), " %s", lang);
1069                         if (NULL != lang && NULL != g_config_info->language) {
1070                                 if (0 == strcmp(lang, g_config_info->language)) {
1071                                         /* language is valid */
1072                                         is_valid_lang = true;
1073
1074                                         free(g_config_info->language);
1075                                         g_config_info->language = strdup(lang);
1076
1077                                         break;
1078                                 }
1079                         }
1080
1081                         /*Get next item*/
1082                         iter_lang = g_slist_next(iter_lang);
1083                 }
1084
1085                 if (false == is_valid_lang) {
1086                         if (NULL != g_config_info->language) {
1087                                 free(g_config_info->language);
1088                                 g_config_info->language = NULL;
1089
1090                                 iter_lang = g_slist_nth(engine_info->languages, 0);
1091                                 if (NULL == iter_lang) {
1092                                         SLOG(LOG_ERROR, stt_tag(), "Fail to get default language");
1093                                         break;
1094                                 }
1095
1096                                 lang = iter_lang->data;
1097
1098                                 g_config_info->language = strdup(lang);
1099                         }
1100                 }
1101
1102                 /* Check options */
1103                 if (false == engine_info->support_silence_detection) {
1104                         if (true == g_config_info->silence_detection)
1105                                 g_config_info->silence_detection = false;
1106                 }
1107
1108                 if (false == engine_info->need_credential) {
1109                         if (true == g_config_info->credential)
1110                                 g_config_info->credential = false;
1111                 }
1112
1113                 is_valid_engine = true;
1114                 break;
1115         }
1116
1117         if (true == is_valid_engine) {
1118                 SLOG(LOG_DEBUG, stt_tag(), "[Config] Engine changed");
1119                 SLOG(LOG_DEBUG, stt_tag(), "  Engine : %s", g_config_info->engine_id);
1120                 SLOG(LOG_DEBUG, stt_tag(), "  Setting : %s", g_config_info->setting);
1121                 SLOG(LOG_DEBUG, stt_tag(), "  language : %s", g_config_info->language);
1122                 SLOG(LOG_DEBUG, stt_tag(), "  Silence detection : %s", g_config_info->silence_detection ? "on" : "off");
1123                 SLOG(LOG_DEBUG, stt_tag(), "  Credential : %s", g_config_info->credential ? "true" : "false");
1124
1125                 if (0 != stt_parser_set_engine(g_config_info->engine_id, g_config_info->setting, g_config_info->language,
1126                         g_config_info->silence_detection, g_config_info->credential)) {
1127                                 SLOG(LOG_ERROR, stt_tag(), " Fail to save config");
1128                                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1129                 }
1130         } else {
1131                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Engine id is not valid");
1132                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1133         }
1134
1135         return 0;
1136 }
1137
1138 int stt_config_mgr_get_engine_agreement(const char* engine, char** agreement)
1139 {
1140         if (0 >= g_slist_length(g_engine_list)) {
1141                 SLOG(LOG_ERROR, stt_tag(), "There is no engine");
1142                 return STT_CONFIG_ERROR_INVALID_STATE;
1143         }
1144
1145         if (NULL == agreement) {
1146                 SLOG(LOG_ERROR, stt_tag(), "Input parameter is NULL");
1147                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1148         }
1149
1150         GSList *iter = NULL;
1151         stt_engine_info_s *engine_info = NULL;
1152         char* current_engine = NULL;
1153
1154         if (NULL == engine) {
1155                 current_engine = strdup(g_config_info->engine_id);
1156                 if (NULL == current_engine) {
1157                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to allocate memory");
1158                         return STT_CONFIG_ERROR_OUT_OF_MEMORY;;
1159                 }
1160         } else {
1161                 current_engine = strdup(engine);
1162                 if (NULL == current_engine) {
1163                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to allocate memory");
1164                         return STT_CONFIG_ERROR_OUT_OF_MEMORY;;
1165                 }
1166         }
1167
1168         /* Get a first item */
1169         iter = g_slist_nth(g_engine_list, 0);
1170
1171         while (NULL != iter) {
1172                 engine_info = iter->data;
1173
1174                 if (NULL == engine_info) {
1175                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] engine info is NULL");
1176                         if (NULL != current_engine)     free(current_engine);
1177                         return STT_CONFIG_ERROR_OPERATION_FAILED;
1178                 }
1179
1180                 if (0 != strcmp(current_engine, engine_info->uuid)) {
1181                         iter = g_slist_next(iter);
1182                         continue;
1183                 }
1184
1185                 if (NULL != engine_info->agreement) {
1186                         *agreement = strdup(engine_info->agreement);
1187                 } else {
1188                         SLOG(LOG_WARN, stt_tag(), "[WARNING] engine agreement is not support");
1189                 }
1190                 break;
1191         }
1192
1193         if (NULL != current_engine)     free(current_engine);
1194
1195         return STT_CONFIG_ERROR_NONE;
1196 }
1197
1198 int stt_config_mgr_get_language_list(const char* engine_id, stt_config_supported_langauge_cb callback, void* user_data)
1199 {
1200         if (0 >= g_slist_length(g_config_client_list)) {
1201                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1202                 return STT_CONFIG_ERROR_INVALID_STATE;
1203         }
1204
1205         if (0 >= g_slist_length(g_engine_list)) {
1206                 SLOG(LOG_ERROR, stt_tag(), "There is no engine");
1207                 return STT_CONFIG_ERROR_ENGINE_NOT_FOUND;
1208         }
1209
1210         GSList *iter = NULL;
1211         stt_engine_info_s *engine_info = NULL;
1212
1213         /* Get a first item */
1214         iter = g_slist_nth(g_engine_list, 0);
1215
1216         while (NULL != iter) {
1217                 engine_info = iter->data;
1218
1219                 if (NULL == engine_info) {
1220                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] engine info is NULL");
1221                         return STT_CONFIG_ERROR_OPERATION_FAILED;
1222                 }
1223
1224                 if (0 != strcmp(engine_id, engine_info->uuid)) {
1225                         iter = g_slist_next(iter);
1226                         continue;
1227                 }
1228
1229                 GSList *iter_lang = NULL;
1230                 char* lang;
1231
1232                 /* Get a first item */
1233                 iter_lang = g_slist_nth(engine_info->languages, 0);
1234
1235                 while (NULL != iter_lang) {
1236                         /*Get handle data from list*/
1237                         lang = iter_lang->data;
1238
1239                         if (NULL != lang) {
1240                                 SLOG(LOG_DEBUG, stt_tag(), " %s", lang);
1241                                 if (false == callback(engine_info->uuid, lang, user_data))
1242                                         break;
1243                         }
1244
1245                         /*Get next item*/
1246                         iter_lang = g_slist_next(iter_lang);
1247                 }
1248                 break;
1249         }
1250
1251         return STT_CONFIG_ERROR_NONE;
1252 }
1253
1254 int stt_config_mgr_get_default_language(char** language)
1255 {
1256         if (0 >= g_slist_length(g_config_client_list)) {
1257                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1258                 return STT_CONFIG_ERROR_INVALID_STATE;
1259         }
1260
1261         if (NULL == language) {
1262                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1263         }
1264
1265         if (NULL != g_config_info->language) {
1266                 *language = strdup(g_config_info->language);
1267         } else {
1268                 SLOG(LOG_ERROR, stt_tag(), " language is NULL");
1269                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1270         }
1271
1272         return STT_CONFIG_ERROR_NONE;
1273 }
1274
1275 int stt_config_mgr_set_default_language(const char* language)
1276 {
1277         if (0 >= g_slist_length(g_config_client_list)) {
1278                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1279                 return STT_CONFIG_ERROR_INVALID_STATE;
1280         }
1281
1282         if (NULL == language) {
1283                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1284         }
1285
1286         /* Check language is valid */
1287         if (NULL != g_config_info->language) {
1288                 if (0 != stt_parser_set_language(language)) {
1289                         SLOG(LOG_ERROR, stt_tag(), "Fail to save engine id");
1290                         return STT_CONFIG_ERROR_OPERATION_FAILED;
1291                 }
1292                 free(g_config_info->language);
1293                 g_config_info->language = strdup(language);
1294         } else {
1295                 SLOG(LOG_ERROR, stt_tag(), " language is NULL");
1296                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1297         }
1298
1299         return STT_CONFIG_ERROR_NONE;
1300 }
1301
1302 int stt_config_mgr_get_auto_language(bool* value)
1303 {
1304         if (0 >= g_slist_length(g_config_client_list)) {
1305                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1306                 return STT_CONFIG_ERROR_INVALID_STATE;
1307         }
1308
1309         if (NULL == value) {
1310                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1311         }
1312
1313         *value = g_config_info->auto_lang;
1314
1315         return STT_CONFIG_ERROR_NONE;
1316 }
1317
1318 int stt_config_mgr_set_auto_language(bool value)
1319 {
1320         if (0 >= g_slist_length(g_config_client_list)) {
1321                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1322                 return STT_CONFIG_ERROR_INVALID_STATE;
1323         }
1324
1325         if (g_config_info->auto_lang != value) {
1326                 /* Check language is valid */
1327                 if (0 != stt_parser_set_auto_lang(value)) {
1328                         SLOG(LOG_ERROR, stt_tag(), "Fail to save engine id");
1329                         return STT_CONFIG_ERROR_OPERATION_FAILED;
1330                 }
1331                 g_config_info->auto_lang = value;
1332
1333                 if (true == g_config_info->auto_lang) {
1334                         __stt_config_set_auto_language();
1335                 }
1336         }
1337
1338         return STT_CONFIG_ERROR_NONE;
1339 }
1340
1341 int stt_config_mgr_get_silence_detection(bool* value)
1342 {
1343         if (0 >= g_slist_length(g_config_client_list)) {
1344                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1345                 return STT_CONFIG_ERROR_INVALID_STATE;
1346         }
1347
1348         if (NULL == value)
1349                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1350
1351         *value = g_config_info->silence_detection;
1352
1353         return STT_CONFIG_ERROR_NONE;
1354 }
1355
1356 int stt_config_mgr_set_silence_detection(bool value)
1357 {
1358         if (0 >= g_slist_length(g_config_client_list)) {
1359                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1360                 return STT_CONFIG_ERROR_INVALID_STATE;
1361         }
1362
1363         if (0 != stt_parser_set_silence_detection(value)) {
1364                 SLOG(LOG_ERROR, stt_tag(), "Fail to save engine id");
1365                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1366         }
1367
1368         g_config_info->silence_detection = value;
1369
1370         return STT_CONFIG_ERROR_NONE;
1371 }
1372
1373 bool stt_config_check_default_engine_is_valid(const char* engine)
1374 {
1375         if (0 >= g_slist_length(g_config_client_list)) {
1376                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1377                 return false;
1378         }
1379
1380         if (NULL == engine) {
1381                 return false;
1382         }
1383
1384         if (0 >= g_slist_length(g_engine_list))
1385                 return false;
1386
1387         GSList *iter = NULL;
1388         stt_engine_info_s *engine_info = NULL;
1389
1390         /* Get a first item */
1391         iter = g_slist_nth(g_engine_list, 0);
1392
1393         while (NULL != iter) {
1394                 engine_info = iter->data;
1395
1396                 if (NULL != engine_info) {
1397                         if (0 == strcmp(engine, engine_info->uuid)) {
1398                                 return true;
1399                         }
1400                 }
1401                 iter = g_slist_next(iter);
1402         }
1403
1404         return false;
1405 }
1406
1407 bool stt_config_check_default_language_is_valid(const char* language)
1408 {
1409         if (0 >= g_slist_length(g_config_client_list)) {
1410                 SLOG(LOG_ERROR, stt_tag(), "Not initialized");
1411                 return false;
1412         }
1413
1414         if (NULL == language) {
1415                 return false;
1416         }
1417
1418         if (NULL == g_config_info->engine_id) {
1419                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Default engine id is NULL");
1420                 return false;
1421         }
1422
1423         if (0 >= g_slist_length(g_engine_list))
1424                 return false;
1425
1426         GSList *iter = NULL;
1427         stt_engine_info_s *engine_info = NULL;
1428
1429         /* Get a first item */
1430         iter = g_slist_nth(g_engine_list, 0);
1431
1432         while (NULL != iter) {
1433                 engine_info = iter->data;
1434
1435                 if (NULL == engine_info) {
1436                         SLOG(LOG_ERROR, stt_tag(), "[ERROR] Engine info is NULL");
1437                         iter = g_slist_next(iter);
1438                         continue;
1439                 }
1440
1441                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1442                         iter = g_slist_next(iter);
1443                         continue;
1444                 }
1445
1446                 GSList *iter_lang = NULL;
1447                 char* lang;
1448
1449                 /* Get a first item */
1450                 iter_lang = g_slist_nth(engine_info->languages, 0);
1451
1452                 while (NULL != iter_lang) {
1453                         lang = iter_lang->data;
1454
1455                         if (0 == strcmp(language, lang))
1456                                 return true;
1457
1458                         /*Get next item*/
1459                         iter_lang = g_slist_next(iter_lang);
1460                 }
1461                 break;
1462         }
1463
1464         return false;
1465 }
1466
1467 int __stt_config_mgr_print_engine_info()
1468 {
1469         GSList *iter = NULL;
1470         stt_engine_info_s *engine_info = NULL;
1471
1472         if (0 >= g_slist_length(g_engine_list)) {
1473                 SLOG(LOG_DEBUG, stt_tag(), "-------------- engine list -----------------");
1474                 SLOG(LOG_DEBUG, stt_tag(), "  No Engine in engine directory");
1475                 SLOG(LOG_DEBUG, stt_tag(), "--------------------------------------------");
1476                 return 0;
1477         }
1478
1479         /* Get a first item */
1480         iter = g_slist_nth(g_engine_list, 0);
1481
1482         SLOG(LOG_DEBUG, stt_tag(), "--------------- engine list -----------------");
1483
1484         int i = 1;
1485         while (NULL != iter) {
1486                 engine_info = iter->data;
1487
1488                 SLOG(LOG_DEBUG, stt_tag(), "[%dth]", i);
1489                 SLOG(LOG_DEBUG, stt_tag(), " name : %s", engine_info->name);
1490                 SLOG(LOG_DEBUG, stt_tag(), " id   : %s", engine_info->uuid);
1491                 SLOG(LOG_DEBUG, stt_tag(), " setting : %s", engine_info->setting);
1492                 SLOG(LOG_DEBUG, stt_tag(), " agreement : %s", engine_info->agreement);
1493
1494                 SLOG(LOG_DEBUG, stt_tag(), " languages");
1495                 GSList *iter_lang = NULL;
1496                 char* lang;
1497                 if (g_slist_length(engine_info->languages) > 0) {
1498                         /* Get a first item */
1499                         iter_lang = g_slist_nth(engine_info->languages, 0);
1500
1501                         int j = 1;
1502                         while (NULL != iter_lang) {
1503                                 /*Get handle data from list*/
1504                                 lang = iter_lang->data;
1505
1506                                 SLOG(LOG_DEBUG, stt_tag(), "  [%dth] %s", j, lang);
1507
1508                                 /*Get next item*/
1509                                 iter_lang = g_slist_next(iter_lang);
1510                                 j++;
1511                         }
1512                 } else {
1513                         SLOG(LOG_ERROR, stt_tag(), "  language is NONE");
1514                 }
1515                 SLOG(LOG_DEBUG, stt_tag(), " silence support : %s",
1516                         engine_info->support_silence_detection ? "true" : "false");
1517                 iter = g_slist_next(iter);
1518                 i++;
1519         }
1520         SLOG(LOG_DEBUG, stt_tag(), "--------------------------------------------");
1521
1522         return 0;
1523 }
1524
1525
1526
1527 /**
1528 * time info functions
1529 */
1530 static GSList* g_time_list = NULL;
1531
1532 int stt_config_mgr_reset_time_info()
1533 {
1534         /* Remove time info */
1535         GSList *iter = NULL;
1536         stt_result_time_info_s *data = NULL;
1537
1538         /* Remove time info */
1539         iter = g_slist_nth(g_time_list, 0);
1540         while (NULL != iter) {
1541                 data = iter->data;
1542
1543                 g_time_list = g_slist_remove(g_time_list, data);
1544                 if (NULL != data) {
1545                         if (NULL != data->text) {
1546                                 free(data->text);
1547                                 data->text = NULL;
1548                         }
1549                         free(data);
1550                         data = NULL;
1551                 }
1552
1553                 /*Get next item*/
1554                 iter = g_slist_nth(g_time_list, 0);
1555         }
1556
1557         return 0;
1558 }
1559
1560 int stt_config_mgr_add_time_info(int index, int event, const char* text, long start_time, long end_time)
1561 {
1562         if (NULL == text) {
1563                 SLOG(LOG_ERROR, stt_tag(), "Invalid paramter : text is NULL");
1564                 return -1;
1565         }
1566
1567         stt_result_time_info_s *info = (stt_result_time_info_s*)calloc(1, sizeof(stt_result_time_info_s));
1568         if (NULL == info) {
1569                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to allocate memory");
1570                 return STT_CONFIG_ERROR_OUT_OF_MEMORY;
1571         }
1572         info->index = index;
1573         info->event = event;
1574         if (NULL != text) {
1575                 info->text = strdup(text);
1576         }
1577         info->start_time = start_time;
1578         info->end_time = end_time;
1579
1580         /* Add item to global list */
1581         g_time_list = g_slist_append(g_time_list, info);
1582
1583         return 0;
1584 }
1585
1586 int stt_config_mgr_foreach_time_info(stt_config_result_time_cb callback, void* user_data)
1587 {
1588         if (NULL == callback) {
1589                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Input paramter is NULL : callback function");
1590                 return STT_CONFIG_ERROR_INVALID_PARAMETER;
1591         }
1592
1593         GSList* temp_time = NULL;
1594         int ret;
1595         ret = stt_parser_get_time_info(&temp_time);
1596         if (0 != ret) {
1597                 SLOG(LOG_WARN, stt_tag(), "[WARNING] Fail to get time info : %d", ret);
1598                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1599         }
1600
1601         GSList *iter = NULL;
1602         stt_result_time_info_s *data = NULL;
1603
1604         /* Get a first item */
1605         iter = g_slist_nth(temp_time, 0);
1606         while (NULL != iter) {
1607                 data = iter->data;
1608
1609                 if (false == callback(data->index, data->event, data->text,
1610                         data->start_time, data->end_time, user_data)) {
1611                         break;
1612                 }
1613
1614                 /*Get next item*/
1615                 iter = g_slist_next(iter);
1616         }
1617
1618         /* Remove time info */
1619         iter = g_slist_nth(temp_time, 0);
1620         while (NULL != iter) {
1621                 data = iter->data;
1622
1623                 if (NULL != data) {
1624                         temp_time = g_slist_remove(temp_time, data);
1625
1626                         if (NULL != data->text) {
1627                                 free(data->text);
1628                                 data->text = NULL;
1629                         }
1630                         free(data);
1631                         data = NULL;
1632                 }
1633
1634                 /*Get next item*/
1635                 iter = g_slist_nth(temp_time, 0);
1636         }
1637
1638         return STT_CONFIG_ERROR_NONE;
1639 }
1640
1641 int stt_config_mgr_save_time_info_file()
1642 {
1643         if (0 == g_slist_length(g_time_list)) {
1644                 SLOG(LOG_WARN, stt_tag(), "[WARNING] There is no time info to save");
1645                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1646         }
1647
1648         int ret = 0;
1649         ret = stt_parser_set_time_info(g_time_list);
1650         if (0 != ret) {
1651                 SLOG(LOG_ERROR, stt_tag(), "[ERROR] Fail to save time info : %d", ret);
1652                 return STT_CONFIG_ERROR_OPERATION_FAILED;
1653         }
1654
1655         return STT_CONFIG_ERROR_NONE;
1656 }
1657
1658 int stt_config_mgr_remove_time_info_file()
1659 {
1660         stt_parser_clear_time_info();
1661
1662         return STT_CONFIG_ERROR_NONE;
1663 }