client/stt_file.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 <aul.h>
  15 #include <dlfcn.h>
  16 #include <dirent.h>
  17 #include <dlog.h>
  18 #include <Ecore.h>
  19 #include <glib.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <stdbool.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25
  26 #include "stt_config_mgr.h"
  27 #include "stt_defs.h"
  28 #include "stt_engine.h"
  29 #include "stt_file.h"
  30 #include "stt_file_client.h"
  31 #include "stt_network.h"
  32
  33
  34 typedef struct _sttengine_info {
  35         int     engine_id;
  36
  37         char*   engine_uuid;
  38         char*   engine_path;
  39         char*   engine_name;
  40         char*   engine_setting_path;
  41         bool    use_network;
  42
  43         bool    is_loaded;
  44 } sttengine_info_s;
  45
  46 static GSList*  g_engine_list;
  47
  48
  49 #define STT_FILE_CONFIG_HANDLE  100000
  50
  51
  52 static const char* __stt_file_get_error_code(stt_file_error_e err)
  53 {
  54         switch (err) {
  55         case STT_FILE_ERROR_NONE:                       return "STT_FILE_ERROR_NONE";
  56         case STT_FILE_ERROR_OUT_OF_MEMORY:              return "STT_FILE_ERROR_OUT_OF_MEMORY";
  57         case STT_FILE_ERROR_IO_ERROR:                   return "STT_FILE_ERROR_IO_ERROR";
  58         case STT_FILE_ERROR_INVALID_PARAMETER:          return "STT_FILE_ERROR_INVALID_PARAMETER";
  59         case STT_FILE_ERROR_OUT_OF_NETWORK:             return "STT_FILE_ERROR_OUT_OF_NETWORK";
  60         case STT_FILE_ERROR_INVALID_STATE:              return "STT_FILE_ERROR_INVALID_STATE";
  61         case STT_FILE_ERROR_INVALID_LANGUAGE:           return "STT_FILE_ERROR_INVALID_LANGUAGE";
  62         case STT_FILE_ERROR_ENGINE_NOT_FOUND:           return "STT_FILE_ERROR_ENGINE_NOT_FOUND";
  63         case STT_FILE_ERROR_OPERATION_FAILED:           return "STT_FILE_ERROR_OPERATION_FAILED";
  64         case STT_FILE_ERROR_NOT_SUPPORTED_FEATURE:      return "STT_FILE_ERROR_NOT_SUPPORTED_FEATURE";
  65         case STT_FILE_ERROR_NOT_AGREE_SERVICE:          return "STT_FILE_ERROR_NOT_AGREE_SERVICE";
  66         default:
  67                 return "Invalid error code";
  68         }
  69 }
  70
  71 void __stt_file_engine_info_cb(const char* engine_uuid, const char* engine_name, const char* setting_ug_name,
  72                       bool use_network, void* user_data)
  73 {
  74         sttengine_info_s* temp = (sttengine_info_s*)user_data;
  75
  76         temp->engine_uuid = g_strdup(engine_uuid);
  77         temp->engine_name = g_strdup(engine_name);
  78         temp->engine_setting_path = g_strdup(setting_ug_name);
  79         temp->use_network = use_network;
  80 }
  81
  82 static int __stt_file_get_engine_info(const char* filepath, sttengine_info_s** info)
  83 {
  84 #ifdef __UNUSED_CODES__
  85         if (NULL == filepath || NULL == info) {
  86                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Invalid Parameter");
  87                 return STT_FILE_ERROR_INVALID_PARAMETER;
  88         }
  89
  90         /* load engine */
  91         char *error;
  92         void* handle;
  93
  94         handle = dlopen(filepath, RTLD_LAZY);
  95
  96         if (!handle) {
  97                 SECURE_SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent] Invalid engine : %s", filepath);
  98                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
  99         }
 100
 101         /* link engine to stt-service */
 102         dlsym(handle, "sttp_load_engine");
 103         if ((error = dlerror()) != NULL) {
 104                 SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent] Invalid engine. Fail to open sttp_load_engine : %s", error);
 105                 dlclose(handle);
 106                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
 107         }
 108
 109         dlsym(handle, "sttp_unload_engine");
 110         if ((error = dlerror()) != NULL) {
 111                 SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent] Invalid engine. Fail to open sttp_unload_engine : %s", error);
 112                 dlclose(handle);
 113                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
 114         }
 115
 116         int (*get_engine_info)(sttpe_engine_info_cb callback, void* user_data);
 117
 118         get_engine_info = (int (*)(sttpe_engine_info_cb, void*))dlsym(handle, "sttp_get_engine_info");
 119         if ((error = dlerror()) != NULL || NULL == get_engine_info) {
 120                 SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent WARNING] Invalid engine. Fail to open sttp_get_engine_info : %s", error);
 121                 dlclose(handle);
 122                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
 123         }
 124
 125         sttengine_info_s* temp;
 126         temp = (sttengine_info_s*)calloc(1, sizeof(sttengine_info_s));
 127         if (NULL == temp) {
 128                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to allocate memory");
 129                 dlclose(handle);
 130                 return STT_FILE_ERROR_OUT_OF_MEMORY;
 131         }
 132
 133         /* get engine info */
 134         if (0 != get_engine_info(__stt_file_engine_info_cb, (void*)temp)) {
 135                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to get engine info from engine");
 136                 dlclose(handle);
 137                 free(temp);
 138                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
 139         }
 140
 141         /* close engine */
 142         dlclose(handle);
 143
 144         temp->engine_id = g_engine_id_count;
 145         g_engine_id_count++;
 146
 147         temp->engine_path = g_strdup(filepath);
 148         temp->is_loaded = false;
 149
 150         SLOG(LOG_DEBUG, TAG_STTFC, "----- Valid Engine");
 151         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Engine id : %d", temp->engine_id);
 152         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Engine uuid : %s", temp->engine_uuid);
 153         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Engine name : %s", temp->engine_name);
 154         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Engine path : %s", temp->engine_path);
 155         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Engine setting path : %s", temp->engine_setting_path);
 156         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "Use network : %s", temp->use_network ? "true" : "false");
 157         SLOG(LOG_DEBUG, TAG_STTFC, "-----");
 158         SLOG(LOG_DEBUG, TAG_STTFC, "  ");
 159
 160         *info = temp;
 161 #endif
 162
 163         return STT_FILE_ERROR_NONE;
 164 }
 165
 166 static bool __stt_file_is_engine(const char* filepath)
 167 {
 168         GSList *iter = NULL;
 169         sttengine_info_s *engine = NULL;
 170
 171         if (0 < g_slist_length(g_engine_list)) {
 172                 /* Get a first item */
 173                 iter = g_slist_nth(g_engine_list, 0);
 174
 175                 while (NULL != iter) {
 176                         /* Get handle data from list */
 177                         engine = iter->data;
 178
 179                         if (0 == strcmp(engine->engine_path, filepath)) {
 180                                 return true;
 181                         }
 182
 183                         iter = g_slist_next(iter);
 184                 }
 185         }
 186
 187         return false;
 188 }
 189
 190 void __stt_file_relseae_engine_info(void)
 191 {
 192         GSList *iter = NULL;
 193
 194         /* Release engine list */
 195         sttengine_info_s *engine = NULL;
 196
 197         if (0 < g_slist_length(g_engine_list)) {
 198                 /* Get a first item */
 199                 iter = g_slist_nth(g_engine_list, 0);
 200
 201                 while (NULL != iter) {
 202                         /* Get handle data from list */
 203                         engine = iter->data;
 204                         g_engine_list = g_slist_remove_link(g_engine_list, iter);
 205
 206                         /* Check engine unload */
 207                         if (NULL != engine) {
 208                                 if (engine->is_loaded) {
 209                                         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "[Engine Agent] Unload engine id(%d)", engine->engine_id);
 210
 211                                         if (0 != stt_engine_deinitialize())
 212                                                 SECURE_SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent] Fail to deinitialize engine id(%d)", engine->engine_id);
 213
 214                                         if (0 != stt_engine_unload())
 215                                                 SECURE_SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent] Fail to unload engine id(%d)", engine->engine_id);
 216
 217                                         engine->is_loaded = false;
 218                                 }
 219
 220                                 if (NULL != engine->engine_uuid)        free(engine->engine_uuid);
 221                                 if (NULL != engine->engine_path)        free(engine->engine_path);
 222                                 if (NULL != engine->engine_name)        free(engine->engine_name);
 223                                 if (NULL != engine->engine_setting_path)free(engine->engine_setting_path);
 224
 225                                 free(engine);
 226                         }
 227
 228                         iter = g_slist_nth(g_engine_list, 0);
 229                 }
 230         }
 231 }
 232
 233 static sttengine_info_s* __stt_file_get_engine_by_id(int engine_id)
 234 {
 235         GSList *iter = NULL;
 236         sttengine_info_s *data = NULL;
 237
 238         iter = g_slist_nth(g_engine_list, 0);
 239
 240         while (NULL != iter) {
 241
 242                 data = iter->data;
 243
 244                 if (data->engine_id == engine_id)
 245                         return data;
 246
 247                 iter = g_slist_next(iter);
 248         }
 249
 250         return NULL;
 251 }
 252
 253 int __stt_file_result_cb(stte_result_event_e event, const char* type, const char** data, int data_count,
 254                  const char* msg, void* time_info, void *user_data)
 255 {
 256
 257         SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] Result event(%d) type(%s) msg(%s)", event, type, msg);
 258
 259         if (NULL != data) {
 260                 int i = 0;
 261                 for (i = 0; i < data_count; i++) {
 262                         if (NULL != data[i]) {
 263                                 SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] [%d] %s", i, data[i]);
 264                         }
 265                 }
 266         }
 267
 268         stt_file_client_s* client = stt_file_client_get();
 269
 270         /* check handle */
 271         if (NULL == client) {
 272                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to notify error : A handle is not valid");
 273                 return STT_FILE_ERROR_OPERATION_FAILED;
 274         }
 275
 276         if (NULL != time_info) {
 277                 client->time_info = time_info;
 278         }
 279
 280         if (NULL != client->recognition_result_cb) {
 281                 stt_file_client_use_callback(client);
 282                 client->recognition_result_cb(event, data, data_count, msg, client->recognition_result_user_data);
 283                 stt_file_client_not_use_callback(client);
 284                 SLOG(LOG_DEBUG, TAG_STTFC, "client recognition result callback called");
 285         } else {
 286                 SLOG(LOG_WARN, TAG_STTFC, "[WARNING] User recognition result callback is NULL");
 287         }
 288
 289         client->time_info = NULL;
 290
 291         if (STTE_RESULT_EVENT_FINAL_RESULT == event || STTE_RESULT_EVENT_ERROR == event) {
 292                 SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] State change : 'Ready'");
 293
 294                 client->before_state = client->current_state;
 295                 client->current_state = STT_FILE_STATE_READY;
 296
 297                 if (NULL != client->state_changed_cb) {
 298                         stt_file_client_use_callback(client);
 299                         client->state_changed_cb(client->before_state, client->current_state, client->state_changed_user_data);
 300                         stt_file_client_not_use_callback(client);
 301                         SLOG(LOG_DEBUG, TAG_STTFC, "State changed callback is called");
 302                 } else {
 303                         SLOG(LOG_WARN, TAG_STTFC, "[WARNING] State changed callback is null");
 304                 }
 305         }
 306
 307         return STT_FILE_ERROR_NONE;
 308 }
 309
 310 void __stt_file_speech_status_cb(stte_speech_status_e status, void *user_data)
 311 {
 312         /* it seems to be no necessity yet */
 313         SLOG(LOG_WARN, TAG_STTFC, "[WARNING] This callback should NOT be called.");
 314         return;
 315 }
 316
 317 void __stt_file_error_cb(stte_error_e error, const char* msg)
 318 {
 319         /* it seems to be no necessity yet */
 320         SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] Error callback is called");
 321         return;
 322 }
 323
 324 static int __stt_file_load_engine(sttengine_info_s* engine)
 325 {
 326         if (NULL == engine) {
 327                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Input engine is NULL");
 328                 return STT_FILE_ERROR_INVALID_PARAMETER;
 329         }
 330
 331         if (0 != stt_engine_load(engine->engine_path, NULL)) {
 332                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Fail to load engine(%s)", engine->engine_path);
 333                 return STT_FILE_ERROR_OPERATION_FAILED;
 334         }
 335
 336         int ret = stt_engine_initialize(true);
 337         if (0 != ret) {
 338                 SECURE_SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to initialize engine : id(%d) path(%s)", engine->engine_id, engine->engine_path);
 339                 return STT_FILE_ERROR_OPERATION_FAILED;
 340         }
 341
 342         engine->is_loaded = true;
 343
 344         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE Success] Load engine id(%d) path(%s)", engine->engine_id, engine->engine_path);
 345
 346         return STT_FILE_ERROR_NONE;
 347 }
 348
 349 int stt_file_initialize(void)
 350 {
 351         SLOG(LOG_DEBUG, TAG_STTFC, "===== Initialize STT FILE");
 352
 353         stt_file_client_s* client = stt_file_client_get();
 354         if (NULL != client) {
 355                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Already initialized");
 356                 return STT_FILE_ERROR_INVALID_STATE;
 357         }
 358
 359         /* Get file name from default engine directory */
 360         DIR *dp = NULL;
 361         int ret = -1;
 362         struct dirent *dirp = NULL;
 363         dp  = opendir(STT_DEFAULT_ENGINE);
 364         if (NULL != dp) {
 365                 do {
 366                         dirp = readdir(dp);
 367
 368                         if (NULL != dirp) {
 369                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
 370                                         continue;
 371
 372                                 sttengine_info_s* info = NULL;
 373                                 char* filepath;
 374                                 int filesize;
 375
 376                                 filesize = strlen(STT_DEFAULT_ENGINE) + strlen(dirp->d_name) + 5;
 377                                 filepath = (char*)calloc(filesize, sizeof(char));
 378
 379
 380                                 if (NULL != filepath) {
 381                                         snprintf(filepath, filesize, "%s/%s", STT_DEFAULT_ENGINE, dirp->d_name);
 382                                 } else {
 383                                         SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Memory not enough!!");
 384                                         continue;
 385                                 }
 386
 387                                 if (false == __stt_file_is_engine(filepath)) {
 388                                         /* get its and update engine list */
 389                                         if (0 == __stt_file_get_engine_info(filepath, &info)) {
 390                                                 /* add engine info to g_engine_list */
 391                                                 g_engine_list = g_slist_append(g_engine_list, info);
 392                                         }
 393                                 }
 394
 395                                 if (NULL != filepath)
 396                                         free(filepath);
 397                         }
 398                 } while (NULL != dirp);
 399
 400                 closedir(dp);
 401         } else {
 402                 SLOG(LOG_WARN, TAG_STTFC, "[Engine Agent WARNING] Fail to open default directory");
 403         }
 404
 405         if (0 >= g_slist_length(g_engine_list)) {
 406                 SLOG(LOG_WARN, TAG_STTFC, "[STT FILE WARNING] Not found engine");
 407                 return STT_FILE_ERROR_ENGINE_NOT_FOUND;
 408         }
 409
 410         ret = stt_file_client_new();
 411         if (0 != ret) {
 412                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Fail to create client : %s", __stt_file_get_error_code(ret));
 413                 return STT_FILE_ERROR_OPERATION_FAILED;
 414         }
 415
 416         client = stt_file_client_get();
 417         if (NULL == client) {
 418                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Not initialized");
 419                 return STT_FILE_ERROR_OPERATION_FAILED;
 420         }
 421
 422         ret = stt_config_mgr_initialize(getpid() + STT_FILE_CONFIG_HANDLE);
 423         if (0 != ret) {
 424                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Fail to init config manager : %s", __stt_file_get_error_code(ret));
 425                 stt_file_client_destroy();
 426                 return STT_FILE_ERROR_OPERATION_FAILED;
 427         }
 428
 429         /* Get engine */
 430         char* engine_id = NULL;
 431         ret = stt_config_mgr_get_engine(&engine_id);
 432         if (0 != ret) {
 433                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Fail to get engine id : %s", __stt_file_get_error_code(ret));
 434                 stt_file_client_destroy();
 435                 stt_config_mgr_finalize(getpid() + STT_FILE_CONFIG_HANDLE);
 436                 __stt_file_relseae_engine_info();
 437                 return STT_FILE_ERROR_OPERATION_FAILED;
 438         }
 439
 440         SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] Get engine id : %s", engine_id);
 441
 442         bool is_found = false;
 443
 444         sttengine_info_s* engine = NULL;
 445         GSList *iter = NULL;
 446         /* load engine */
 447         if (0 < g_slist_length(g_engine_list)) {
 448                 /* Get a first item */
 449                 iter = g_slist_nth(g_engine_list, 0);
 450
 451                 while (NULL != iter) {
 452                         /* Get handle data from list */
 453                         engine = iter->data;
 454
 455                         if (0 == strcmp(engine->engine_uuid, engine_id)) {
 456                                 is_found = true;
 457                                 break;
 458                         }
 459
 460                         iter = g_slist_next(iter);
 461                 }
 462         }
 463
 464         if (NULL != engine_id) {
 465                 free(engine_id);
 466                 engine_id = NULL;
 467         }
 468
 469         if (false == is_found) {
 470                 engine = NULL;
 471                 SLOG(LOG_WARN, TAG_STTFC, "[STT FILE WARNING] Fail to find default engine");
 472                 iter = g_slist_nth(g_engine_list, 0);
 473                 if (NULL != iter)
 474                         engine = iter->data;
 475
 476                 if (NULL == engine) {
 477                         SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to initialize engine");
 478                         stt_file_client_destroy();
 479                         stt_config_mgr_finalize(getpid() + STT_FILE_CONFIG_HANDLE);
 480                         __stt_file_relseae_engine_info();
 481                         return STT_FILE_ERROR_OPERATION_FAILED;
 482                 }
 483                 SLOG(LOG_WARN, TAG_STTFC, "[STT FILE WARNING] Set default engine (%s)", engine->engine_name);
 484         }
 485
 486         ret = __stt_file_load_engine(engine);
 487         if (0 != ret) {
 488                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to initialize engine");
 489                 stt_file_client_destroy();
 490                 stt_config_mgr_finalize(getpid() + STT_FILE_CONFIG_HANDLE);
 491                 __stt_file_relseae_engine_info();
 492                 return STT_FILE_ERROR_OPERATION_FAILED;
 493         }
 494
 495         client->current_engine_id = engine->engine_id;
 496
 497         stt_network_initialize();
 498
 499         SECURE_SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE Success] Initialize : pid(%d)", getpid());
 500
 501         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 502         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 503
 504         return STT_FILE_ERROR_NONE;
 505 }
 506
 507 int stt_file_deinitialize(void)
 508 {
 509         SLOG(LOG_DEBUG, TAG_STTFC, "===== Deinitialize STT FILE");
 510
 511         stt_file_client_s* client = stt_file_client_get();
 512         if (NULL == client) {
 513                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Not initialized");
 514                 return STT_FILE_ERROR_INVALID_STATE;
 515         }
 516
 517         /* check used callback */
 518         if (0 != stt_file_client_get_use_callback(client)) {
 519                 SLOG(LOG_ERROR, TAG_STTFC, "[STT FILE ERROR] Client should NOT deinitialize STT FILE in callback function");
 520                 return STT_FILE_ERROR_OPERATION_FAILED;
 521         }
 522
 523         stt_network_finalize();
 524
 525         stt_config_mgr_finalize(getpid() + STT_FILE_CONFIG_HANDLE);
 526
 527         /* check state */
 528         switch (client->current_state) {
 529         case STT_FILE_STATE_PROCESSING:
 530                 /* Cancel file recognition */
 531                 stt_engine_recognize_cancel_file();
 532
 533         case STT_FILE_STATE_READY:
 534                 /* Unload engine */
 535                 __stt_file_relseae_engine_info();
 536
 537                 /* Free resources */
 538                 stt_file_client_destroy();
 539                 break;
 540
 541         case STT_FILE_STATE_NONE:
 542                 SLOG(LOG_WARN, TAG_STTFC, "[STT FILE WARNING] NOT initialized");
 543                 return 0;
 544         default:
 545                 break;
 546         }
 547
 548         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 549         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 550
 551         return STT_FILE_ERROR_NONE;
 552 }
 553
 554 int stt_file_get_state(stt_file_state_e* state)
 555 {
 556         if (NULL == state) {
 557                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 558                 return STT_FILE_ERROR_INVALID_PARAMETER;
 559         }
 560
 561         stt_file_client_s* client = stt_file_client_get();
 562
 563         if (NULL == client) {
 564                 SLOG(LOG_DEBUG, TAG_STTFC, "[STT FILE] Not initialized");
 565                 *state = STT_FILE_STATE_NONE;
 566                 return STT_FILE_ERROR_NONE;
 567         }
 568
 569         *state = client->current_state;
 570
 571         switch (*state) {
 572         case STT_FILE_STATE_NONE:       SLOG(LOG_DEBUG, TAG_STTFC, "Current state is 'NONE'");          break;
 573         case STT_FILE_STATE_READY:      SLOG(LOG_DEBUG, TAG_STTFC, "Current state is 'Ready'");         break;
 574         case STT_FILE_STATE_PROCESSING: SLOG(LOG_DEBUG, TAG_STTFC, "Current state is 'Processing'");    break;
 575         default:                        SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid value");            break;
 576         }
 577
 578         return STT_FILE_ERROR_NONE;
 579 }
 580
 581 int stt_file_foreach_supported_engines(stt_file_supported_engine_cb callback, void* user_data)
 582 {
 583         SLOG(LOG_DEBUG, TAG_STTFC, "===== Foreach Supported engine");
 584
 585         if (NULL == callback) {
 586                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 587                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 588                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 589                 return STT_FILE_ERROR_INVALID_PARAMETER;
 590         }
 591
 592         stt_file_client_s* client = stt_file_client_get();
 593
 594         /* check handle */
 595         if (NULL == client) {
 596                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 597                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 598                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 599                 return STT_FILE_ERROR_INVALID_PARAMETER;
 600         }
 601
 602         if (client->current_state != STT_FILE_STATE_READY) {
 603                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid State: Current state(%d) is not 'Ready'", client->current_state);
 604                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 605                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 606                 return STT_FILE_ERROR_INVALID_STATE;
 607         }
 608
 609         GSList *iter = NULL;
 610         sttengine_info_s *engine = NULL;
 611
 612         /* Get a first item */
 613         iter = g_slist_nth(g_engine_list, 0);
 614
 615         while (NULL != iter) {
 616                 /* Get handle data from list */
 617                 engine = iter->data;
 618
 619                 if (NULL != engine) {
 620                         if (false == callback(engine->engine_uuid, engine->engine_name, user_data)) {
 621                                 break;
 622                         }
 623                 }
 624                 iter = g_slist_next(iter);
 625         }
 626
 627         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 628         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 629
 630         return STT_FILE_ERROR_NONE;
 631 }
 632
 633 int stt_file_get_engine(char** engine_id)
 634 {
 635         SLOG(LOG_DEBUG, TAG_STTFC, "===== Get current engine");
 636
 637         if (NULL == engine_id) {
 638                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 639                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 640                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 641                 return STT_FILE_ERROR_INVALID_PARAMETER;
 642         }
 643
 644         stt_file_client_s* client = stt_file_client_get();
 645
 646         /* check handle */
 647         if (NULL == client) {
 648                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 649                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 650                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 651                 return STT_FILE_ERROR_INVALID_PARAMETER;
 652         }
 653
 654         if (client->current_state != STT_FILE_STATE_READY) {
 655                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid State: Current state(%d) is not 'Ready'", client->current_state);
 656                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 657                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 658                 return STT_FILE_ERROR_INVALID_STATE;
 659         }
 660
 661         sttengine_info_s* engine = NULL;
 662         engine = __stt_file_get_engine_by_id(client->current_engine_id);
 663         if (NULL == engine) {
 664                 SECURE_SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to get engine info(%d)", client->current_engine_id);
 665                 return STT_FILE_ERROR_OPERATION_FAILED;
 666         }
 667
 668         *engine_id = strdup(engine->engine_uuid);
 669
 670         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 671         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 672
 673         return STT_FILE_ERROR_NONE;
 674 }
 675
 676 int stt_file_set_engine(const char* engine_id)
 677 {
 678         SLOG(LOG_DEBUG, TAG_STTFC, "===== Set current engine");
 679
 680         if (NULL == engine_id) {
 681                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 682                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 683                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 684                 return STT_FILE_ERROR_INVALID_PARAMETER;
 685         }
 686
 687         stt_file_client_s* client = stt_file_client_get();
 688
 689         /* check handle */
 690         if (NULL == client) {
 691                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 692                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 693                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 694                 return STT_FILE_ERROR_INVALID_PARAMETER;
 695         }
 696
 697         /* check state */
 698         if (client->current_state != STT_FILE_STATE_READY) {
 699                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid State: Current state(%d) is not 'Ready'", client->current_state);
 700                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 701                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 702                 return STT_FILE_ERROR_INVALID_STATE;
 703         }
 704
 705         GSList *iter = NULL;
 706         sttengine_info_s *engine = NULL;
 707
 708         int temp_old_engine = -1;
 709
 710         /* Get a first item */
 711         iter = g_slist_nth(g_engine_list, 0);
 712
 713         while (NULL != iter) {
 714                 /* Get handle data from list */
 715                 engine = iter->data;
 716
 717                 if (0 == strcmp(engine->engine_uuid, engine_id)) {
 718                         if (client->current_engine_id != engine->engine_id) {
 719                                 temp_old_engine = client->current_engine_id;
 720                         } else {
 721                                 SLOG(LOG_DEBUG, TAG_STTFC, "Already loaded engine : %s", engine_id);
 722                                 return 0;
 723                         }
 724
 725                         break;
 726                 }
 727
 728                 iter = g_slist_next(iter);
 729                 engine = NULL;
 730         }
 731
 732         if (NULL == engine) {
 733                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Engine id is NOT valid");
 734                 return STT_FILE_ERROR_INVALID_PARAMETER;
 735         }
 736
 737         int ret = __stt_file_load_engine(engine);
 738         if (0 != ret) {
 739                 SLOG(LOG_ERROR, TAG_STTFC, "[Engine Agent ERROR] Fail to initialize engine");
 740                 return STT_FILE_ERROR_OPERATION_FAILED;
 741         }
 742
 743         client->current_engine_id = engine->engine_id;
 744
 745         if (-1 != temp_old_engine) {
 746                 stt_engine_deinitialize();
 747                 stt_engine_unload();
 748         }
 749
 750         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 751         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 752
 753         return 0;
 754 }
 755
 756 bool __stt_config_supported_language_cb(const char* engine_id, const char* language, void* user_data)
 757 {
 758         stt_file_client_s* client = stt_file_client_get();
 759         if (NULL == client) {
 760                 SLOG(LOG_ERROR, TAG_STTFC, "[WARNING] A handle is not valid");
 761                 return false;
 762         }
 763
 764         /* call callback function */
 765         if (NULL != client->supported_lang_cb) {
 766                 return client->supported_lang_cb(language, client->supported_lang_user_data);
 767         } else {
 768                 SLOG(LOG_WARN, TAG_STTFC, "No registered callback function of supported languages");
 769         }
 770
 771         return false;
 772 }
 773
 774 int stt_file_foreach_supported_languages(stt_file_supported_language_cb callback, void* user_data)
 775 {
 776         SLOG(LOG_DEBUG, TAG_STTFC, "===== Foreach Supported Language");
 777
 778         if (NULL == callback) {
 779                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 780                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 781                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 782                 return STT_FILE_ERROR_INVALID_PARAMETER;
 783         }
 784
 785         stt_file_client_s* client = stt_file_client_get();
 786
 787         /* check handle */
 788         if (NULL == client) {
 789                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 790                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 791                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 792                 return STT_FILE_ERROR_INVALID_PARAMETER;
 793         }
 794
 795         sttengine_info_s* engine = NULL;
 796         engine = __stt_file_get_engine_by_id(client->current_engine_id);
 797         if (NULL == engine) {
 798                 SECURE_SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to get engine info(%d)", client->current_engine_id);
 799                 return STT_FILE_ERROR_OPERATION_FAILED;
 800         }
 801
 802         client->supported_lang_cb = callback;
 803         client->supported_lang_user_data = user_data;
 804
 805         int ret = -1;
 806         ret = stt_config_mgr_get_language_list(engine->engine_uuid, __stt_config_supported_language_cb, NULL);
 807         if (0 != ret) {
 808                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to get languages");
 809         }
 810
 811         client->supported_lang_cb = NULL;
 812         client->supported_lang_user_data = NULL;
 813
 814         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 815         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 816
 817         return STT_FILE_ERROR_NONE;
 818 }
 819
 820 int stt_file_start(const char* language, const char* type, const char* filepath,
 821                 stt_file_audio_type_e audio_type, int sample_rate)
 822 {
 823         SLOG(LOG_DEBUG, TAG_STTFC, "===== STT FILE START");
 824
 825         stt_file_client_s* client = stt_file_client_get();
 826
 827         /* check handle */
 828         if (NULL == client) {
 829                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 830                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 831                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 832                 return STT_FILE_ERROR_INVALID_STATE;
 833         }
 834
 835         /* check state */
 836         if (client->current_state != STT_FILE_STATE_READY) {
 837                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid State: Current state(%d) is not READY", client->current_state);
 838                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 839                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 840                 return STT_FILE_ERROR_INVALID_STATE;
 841         }
 842
 843         if (NULL == language || NULL == filepath) {
 844                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 845                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 846                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 847                 return STT_FILE_ERROR_INVALID_PARAMETER;
 848         }
 849
 850         /* check if engine use network */
 851         sttengine_info_s* engine = NULL;
 852         engine = __stt_file_get_engine_by_id(client->current_engine_id);
 853         if (NULL == engine) {
 854                 SECURE_SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to get engine info(%d)", client->current_engine_id);
 855                 return STT_FILE_ERROR_OPERATION_FAILED;
 856         }
 857
 858         if (true == engine->use_network) {
 859                 if (false == stt_network_is_connected()) {
 860                         SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Disconnect network. Current engine needs to network connection.");
 861                         return STT_FILE_ERROR_OUT_OF_NETWORK;
 862                 }
 863         }
 864
 865         SLOG(LOG_DEBUG, TAG_STTFC, "[START Info] Engine(%d) Lang(%s) Type(%s) Filepath(%s) Audio(%d) Sample rate(%d)",
 866                 client->current_engine_id, language, type, filepath, audio_type, sample_rate);
 867
 868         int ret = -1;
 869         ret = stt_engine_recognize_start_file(language, type, filepath, audio_type, sample_rate, NULL);
 870         if (0 != ret) {
 871                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to start file recognition");
 872                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 873                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 874                 return STT_FILE_ERROR_OPERATION_FAILED;
 875         }
 876
 877         client->before_state = client->current_state;
 878         client->current_state = STT_FILE_STATE_PROCESSING;
 879
 880         if (NULL != client->state_changed_cb) {
 881                 stt_file_client_use_callback(client);
 882                 client->state_changed_cb(client->before_state, client->current_state, client->state_changed_user_data);
 883                 stt_file_client_not_use_callback(client);
 884                 SLOG(LOG_DEBUG, TAG_STTFC, "State changed callback is called");
 885         } else {
 886                 SLOG(LOG_WARN, TAG_STTFC, "[WARNING] State changed callback is null");
 887         }
 888
 889         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 890         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 891
 892         return STT_FILE_ERROR_NONE;
 893 }
 894
 895 int stt_file_cancel(void)
 896 {
 897         SLOG(LOG_DEBUG, TAG_STTFC, "===== STT FILE CANCEL");
 898
 899         stt_file_client_s* client = stt_file_client_get();
 900
 901         /* check handle */
 902         if (NULL == client) {
 903                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
 904                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 905                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 906                 return STT_FILE_ERROR_INVALID_PARAMETER;
 907         }
 908
 909         /* check state */
 910         if (STT_FILE_STATE_PROCESSING != client->current_state) {
 911                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Invalid state : Current state(%d) is NOT 'Processing'", client->current_state);
 912                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 913                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 914                 return STT_FILE_ERROR_INVALID_STATE;
 915         }
 916
 917         int ret = -1;
 918         ret = stt_engine_recognize_cancel_file();
 919         if (0 != ret) {
 920                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to cancel file recognition");
 921                 SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 922                 SLOG(LOG_DEBUG, TAG_STTFC, " ");
 923                 return STT_FILE_ERROR_OPERATION_FAILED;
 924         }
 925
 926         client->before_state = client->current_state;
 927         client->current_state = STT_FILE_STATE_READY;
 928
 929         if (NULL != client->state_changed_cb) {
 930                 stt_file_client_use_callback(client);
 931                 client->state_changed_cb(client->before_state, client->current_state, client->state_changed_user_data);
 932                 stt_file_client_not_use_callback(client);
 933                 SLOG(LOG_DEBUG, TAG_STTFC, "State changed callback is called");
 934         } else {
 935                 SLOG(LOG_WARN, TAG_STTFC, "[WARNING] State changed callback is null");
 936         }
 937
 938         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 939         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 940
 941         return STT_FILE_ERROR_NONE;
 942 }
 943
 944 bool __stt_file_result_time_cb(int index, stte_result_time_event_e event, const char* text, long start_time, long end_time, void* user_data)
 945 {
 946         SLOG(LOG_DEBUG, TAG_STTFC, "(%d) event(%d) text(%s) start(%ld) end(%ld)",
 947                 index, event, text, start_time, end_time);
 948
 949         stt_file_client_s* client = stt_file_client_get();
 950
 951         /* check handle */
 952         if (NULL == client) {
 953                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to notify error : A handle is not valid");
 954                 return EINA_FALSE;
 955         }
 956
 957         if (NULL != client->result_time_cb) {
 958                 client->result_time_cb(index, (stt_file_result_time_event_e)event,
 959                         text, start_time, end_time, client->result_time_user_data);
 960         } else {
 961                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Callback is NULL");
 962                 return false;
 963         }
 964
 965         return true;
 966 }
 967
 968 int stt_file_foreach_detailed_result(stt_file_result_time_cb callback, void* user_data)
 969 {
 970         SLOG(LOG_DEBUG, TAG_STTFC, "===== STT FILE FOREACH DETAILED RESULT");
 971
 972         if (NULL == callback) {
 973                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Input parameter is NULL");
 974                 return STT_FILE_ERROR_INVALID_PARAMETER;
 975         }
 976
 977         stt_file_client_s* client = stt_file_client_get();
 978
 979         /* check handle */
 980         if (NULL == client) {
 981                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail : A handle is not valid");
 982                 return STT_FILE_ERROR_INVALID_PARAMETER;
 983         }
 984
 985         client->result_time_cb = callback;
 986         client->result_time_user_data = user_data;
 987
 988         stt_engine_foreach_result_time(client->time_info, __stt_file_result_time_cb, NULL);
 989
 990         client->result_time_cb = NULL;
 991         client->result_time_user_data = NULL;
 992
 993         SLOG(LOG_DEBUG, TAG_STTFC, "=====");
 994         SLOG(LOG_DEBUG, TAG_STTFC, " ");
 995
 996         return STT_FILE_ERROR_NONE;
 997 }
 998
 999 int stt_file_set_recognition_result_cb(stt_file_recognition_result_cb callback, void* user_data)
1000 {
1001         if (NULL == callback)
1002                 return STT_FILE_ERROR_INVALID_PARAMETER;
1003
1004         stt_file_client_s* client = stt_file_client_get();
1005
1006         /* check handle */
1007         if (NULL == client) {
1008                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
1009                 return STT_FILE_ERROR_INVALID_PARAMETER;
1010         }
1011
1012         if (STT_FILE_STATE_READY != client->current_state) {
1013                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Current state(%d) is not 'ready'", client->current_state);
1014                 return STT_FILE_ERROR_INVALID_STATE;
1015         }
1016
1017         int ret = stt_engine_set_recognition_result_cb(__stt_file_result_cb, NULL);
1018         if (0 != ret) {
1019                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to set recognition result cb");
1020         }
1021
1022         client->recognition_result_cb = callback;
1023         client->recognition_result_user_data = user_data;
1024
1025         return ret;
1026 }
1027
1028 int stt_file_unset_recognition_result_cb(void)
1029 {
1030         stt_file_client_s* client = stt_file_client_get();
1031
1032         /* check handle */
1033         if (NULL == client) {
1034                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
1035                 return STT_FILE_ERROR_INVALID_PARAMETER;
1036         }
1037
1038         if (STT_FILE_STATE_READY != client->current_state) {
1039                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Current state(%d) is not 'ready'", client->current_state);
1040                 return STT_FILE_ERROR_INVALID_STATE;
1041         }
1042
1043         int ret = stt_engine_set_recognition_result_cb(NULL, NULL);
1044         if (0 != ret) {
1045                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Fail to set recognition result cb");
1046         }
1047
1048         client->recognition_result_cb = NULL;
1049         client->recognition_result_user_data = NULL;
1050
1051         return ret;
1052 }
1053
1054 int stt_file_set_state_changed_cb(stt_file_state_changed_cb callback, void* user_data)
1055 {
1056         if (NULL == callback)
1057                 return STT_FILE_ERROR_INVALID_PARAMETER;
1058
1059         stt_file_client_s* client = stt_file_client_get();
1060
1061         /* check handle */
1062         if (NULL == client) {
1063                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
1064                 return STT_FILE_ERROR_INVALID_PARAMETER;
1065         }
1066
1067         if (STT_FILE_STATE_READY != client->current_state) {
1068                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Current state(%d) is not 'ready'", client->current_state);
1069                 return STT_FILE_ERROR_INVALID_STATE;
1070         }
1071
1072         client->state_changed_cb = callback;
1073         client->state_changed_user_data = user_data;
1074
1075         return 0;
1076 }
1077
1078 int stt_file_unset_state_changed_cb(void)
1079 {
1080         stt_file_client_s* client = stt_file_client_get();
1081
1082         /* check handle */
1083         if (NULL == client) {
1084                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] A handle is not available");
1085                 return STT_FILE_ERROR_INVALID_PARAMETER;
1086         }
1087
1088         if (STT_FILE_STATE_READY != client->current_state) {
1089                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Current state(%d) is not 'ready'", client->current_state);
1090                 return STT_FILE_ERROR_INVALID_STATE;
1091         }
1092
1093         client->state_changed_cb = NULL;
1094         client->state_changed_user_data = NULL;
1095
1096         return 0;
1097 }