client/stt_dbus.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
  15 #include "stt_main.h"
  16 #include "stt_dbus.h"
  17 #include "stt_defs.h"
  18
  19 #include "stt_client.h"
  20
  21 #include <vconf/vconf.h>
  22 #include <buxton2.h>
  23
  24 static int g_waiting_time = 3000;
  25 static int g_waiting_short_time = 500;
  26
  27 static char* g_server_service_name = NULL;
  28 static char* g_server_service_object = NULL;
  29 static char* g_server_service_interface = NULL;
  30
  31 static Ecore_Fd_Handler* g_fd_handler = NULL;
  32
  33 static DBusConnection* g_conn_sender = NULL;
  34 static DBusConnection* g_conn_listener = NULL;
  35
  36 void __stt_dbus_service_free();
  37
  38 extern int __stt_cb_error(int uid, int reason, char* err_msg);
  39
  40 extern int __stt_cb_result(int uid, int event, char** data, int data_count, const char* msg);
  41
  42 extern int __stt_cb_set_state(int uid, int state);
  43
  44 extern int __stt_cb_set_volume(int uid, float volume);
  45
  46 extern int __stt_cb_speech_status(int uid, int status);
  47
  48 char* __stt_get_service_name(char* engine_id)
  49 {
  50         char* service_name = NULL;
  51         const char* engine_default = NULL;
  52
  53         struct buxton_client * bux_cli;
  54         struct buxton_layer * bux_layer;
  55         struct buxton_value * bux_val;
  56
  57         int ret = buxton_open(&bux_cli, NULL, NULL);
  58         if (0 != ret) {
  59                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
  60                 return NULL;
  61         }
  62         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_open: %d", ret);
  63         bux_layer = buxton_create_layer("system");
  64         if (NULL == bux_layer) {
  65                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
  66                 buxton_close(bux_cli);
  67                 bux_cli = NULL;
  68                 return NULL;
  69         }
  70
  71         bux_val = buxton_value_create_string("stt-engine-default");
  72         if (NULL == bux_val) {
  73                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
  74                 buxton_free_layer(bux_layer);
  75                 buxton_close(bux_cli);
  76                 bux_layer = NULL;
  77                 bux_cli = NULL;
  78                 return NULL;
  79         }
  80
  81         ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
  82         if (0 != ret) {
  83                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
  84                 buxton_value_free(bux_val);
  85                 buxton_free_layer(bux_layer);
  86                 buxton_close(bux_cli);
  87
  88                 bux_cli = NULL;
  89                 bux_layer = NULL;
  90                 bux_val = NULL;
  91                 return NULL;
  92         }
  93         ret = buxton_value_get_string(bux_val, &engine_default);
  94         if (0 != ret) {
  95                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value string, ret(%d)", ret);
  96                 buxton_value_free(bux_val);
  97                 buxton_free_layer(bux_layer);
  98                 buxton_close(bux_cli);
  99
 100                 bux_cli = NULL;
 101                 bux_layer = NULL;
 102                 bux_val = NULL;
 103                 return NULL;
 104         }
 105         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
 106
 107
 108         if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
 109                 service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + 1, sizeof(char));
 110                 if (NULL == service_name) {
 111                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 112                         buxton_value_free(bux_val);
 113                         buxton_free_layer(bux_layer);
 114                         buxton_close(bux_cli);
 115
 116                         bux_cli = NULL;
 117                         bux_layer = NULL;
 118                         bux_val = NULL;
 119                         return NULL;
 120                 }
 121                 snprintf(service_name, strlen(STT_SERVER_SERVICE_NAME) + 1, "%s", STT_SERVER_SERVICE_NAME);
 122         } else {
 123                 service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_id) - 8, sizeof(char));
 124                 if (NULL == service_name) {
 125                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 126                         buxton_value_free(bux_val);
 127                         buxton_free_layer(bux_layer);
 128                         buxton_close(bux_cli);
 129
 130                         bux_cli = NULL;
 131                         bux_layer = NULL;
 132                         bux_val = NULL;
 133                         return NULL;
 134                 }
 135                 snprintf(service_name, strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_NAME, ".", (engine_id + 10));
 136         }
 137
 138         buxton_value_free(bux_val);
 139         buxton_free_layer(bux_layer);
 140         buxton_close(bux_cli);
 141
 142         bux_cli = NULL;
 143         bux_layer = NULL;
 144         bux_val = NULL;
 145
 146         SLOG(LOG_DEBUG, TAG_STTC, "[get_service_name] FINISH!! service name: %s", service_name);
 147
 148         return service_name;
 149 }
 150
 151 char* __stt_get_service_object(char* engine_id)
 152 {
 153         char* service_object = NULL;
 154         const char* engine_default = NULL;
 155
 156         struct buxton_client * bux_cli;
 157         struct buxton_layer * bux_layer;
 158         struct buxton_value * bux_val;
 159
 160         int ret = buxton_open(&bux_cli, NULL, NULL);
 161         if (0 != ret) {
 162                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
 163                 return NULL;
 164         }
 165         bux_layer = buxton_create_layer("system");
 166         if (NULL == bux_layer) {
 167                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
 168                 buxton_close(bux_cli);
 169                 bux_cli = NULL;
 170                 return NULL;
 171         }
 172
 173         bux_val = buxton_value_create_string("stt-engine-default");
 174         if (NULL == bux_val) {
 175                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
 176                 buxton_free_layer(bux_layer);
 177                 buxton_close(bux_cli);
 178                 bux_layer = NULL;
 179                 bux_cli = NULL;
 180                 return NULL;
 181         }
 182
 183         ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
 184         if (0 != ret) {
 185                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
 186                 buxton_value_free(bux_val);
 187                 buxton_free_layer(bux_layer);
 188                 buxton_close(bux_cli);
 189
 190                 bux_cli = NULL;
 191                 bux_layer = NULL;
 192                 bux_val = NULL;
 193                 return NULL;
 194         }
 195         ret = buxton_value_get_string(bux_val, &engine_default);
 196         if (0 != ret) {
 197                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get string, ret(%d)", ret);
 198                 buxton_value_free(bux_val);
 199                 buxton_free_layer(bux_layer);
 200                 buxton_close(bux_cli);
 201
 202                 bux_cli = NULL;
 203                 bux_layer = NULL;
 204                 bux_val = NULL;
 205                 return NULL;
 206         }
 207         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
 208
 209         if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
 210                 service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 211                 if (NULL == service_object) {
 212                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 213                         buxton_value_free(bux_val);
 214                         buxton_free_layer(bux_layer);
 215                         buxton_close(bux_cli);
 216
 217                         bux_cli = NULL;
 218                         bux_layer = NULL;
 219                         bux_val = NULL;
 220                         return NULL;
 221                 }
 222                 snprintf(service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", STT_SERVER_SERVICE_OBJECT_PATH);
 223         } else {
 224                 service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_id) - 8, sizeof(char));
 225                 if (NULL == service_object) {
 226                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 227                         buxton_value_free(bux_val);
 228                         buxton_free_layer(bux_layer);
 229                         buxton_close(bux_cli);
 230
 231                         bux_cli = NULL;
 232                         bux_layer = NULL;
 233                         bux_val = NULL;
 234                         return NULL;
 235                 }
 236                 snprintf(service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_OBJECT_PATH, "/", (engine_id + 10));
 237         }
 238
 239         buxton_value_free(bux_val);
 240         buxton_free_layer(bux_layer);
 241         buxton_close(bux_cli);
 242
 243         bux_cli = NULL;
 244         bux_layer = NULL;
 245         bux_val = NULL;
 246
 247         SLOG(LOG_DEBUG, TAG_STTC, "[get_service_object] FINISH!! service object: %s", service_object);
 248
 249         return service_object;
 250 }
 251
 252 char* __stt_get_service_interface(char* engine_id)
 253 {
 254         char* service_interface = NULL;
 255         const char* engine_default = NULL;
 256
 257         struct buxton_client * bux_cli;
 258         struct buxton_layer * bux_layer;
 259         struct buxton_value * bux_val;
 260
 261         int ret = buxton_open(&bux_cli, NULL, NULL);
 262         if (0 != ret) {
 263                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
 264                 return NULL;
 265         }
 266         bux_layer = buxton_create_layer("system");
 267         if (NULL == bux_layer) {
 268                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
 269                 buxton_close(bux_cli);
 270                 bux_cli = NULL;
 271                 return NULL;
 272         }
 273
 274         bux_val = buxton_value_create_string("stt-engine-default");
 275         if (NULL == bux_val) {
 276                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
 277                 buxton_free_layer(bux_layer);
 278                 buxton_close(bux_cli);
 279                 bux_layer = NULL;
 280                 bux_cli = NULL;
 281                 return NULL;
 282         }
 283
 284         ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
 285         if (0 != ret) {
 286                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
 287                 buxton_value_free(bux_val);
 288                 buxton_free_layer(bux_layer);
 289                 buxton_close(bux_cli);
 290
 291                 bux_cli = NULL;
 292                 bux_layer = NULL;
 293                 bux_val = NULL;
 294                 return NULL;
 295         }
 296         ret = buxton_value_get_string(bux_val, &engine_default);
 297         if (0 != ret) {
 298                 SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get string, ret(%d)", ret);
 299                 buxton_value_free(bux_val);
 300                 buxton_free_layer(bux_layer);
 301                 buxton_close(bux_cli);
 302
 303                 bux_cli = NULL;
 304                 bux_layer = NULL;
 305                 bux_val = NULL;
 306                 return NULL;
 307         }
 308         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
 309
 310         if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
 311                 service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 312                 if (NULL == service_interface) {
 313                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 314                         buxton_value_free(bux_val);
 315                         buxton_free_layer(bux_layer);
 316                         buxton_close(bux_cli);
 317
 318                         bux_cli = NULL;
 319                         bux_layer = NULL;
 320                         bux_val = NULL;
 321                         return NULL;
 322                 }
 323                 snprintf(service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + 1, "%s", STT_SERVER_SERVICE_INTERFACE);
 324         } else {
 325                 service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_id) - 8, sizeof(char));
 326                 if (NULL == service_interface) {
 327                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
 328                         buxton_value_free(bux_val);
 329                         buxton_free_layer(bux_layer);
 330                         buxton_close(bux_cli);
 331
 332                         bux_cli = NULL;
 333                         bux_layer = NULL;
 334                         bux_val = NULL;
 335                         return NULL;
 336                 }
 337                 snprintf(service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_INTERFACE, ".", (engine_id + 10));
 338         }
 339
 340         char* ret_char = strchr(service_interface, '-');
 341         while (NULL != ret_char) {
 342                 ret_char[0] = '_';
 343                 ret_char = strchr(service_interface, '-');
 344         }
 345
 346         buxton_value_free(bux_val);
 347         buxton_free_layer(bux_layer);
 348         ret = buxton_close(bux_cli);
 349
 350         bux_cli = NULL;
 351         bux_layer = NULL;
 352         bux_val = NULL;
 353
 354         SLOG(LOG_DEBUG, TAG_STTC, "[get_service_interface] FINISH!! service interface: %s", service_interface);
 355
 356         return service_interface;
 357 }
 358
 359
 360 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 361 {
 362         if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 363
 364         dbus_connection_read_write_dispatch(g_conn_listener, 50);
 365
 366         while (1) {
 367                 DBusMessage* msg = NULL;
 368                 msg = dbus_connection_pop_message(g_conn_listener);
 369
 370                 if (true != dbus_connection_get_is_connected(g_conn_listener)) {
 371                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Connection is disconnected");
 372                         break;
 373                 }
 374
 375                 /* loop again if we haven't read a message */
 376                 if (NULL == msg) {
 377                         break;
 378                 }
 379
 380                 SLOG(LOG_DEBUG, TAG_STTC, "[DEBUG] Message is arrived");
 381
 382                 DBusError err;
 383                 dbus_error_init(&err);
 384
 385                 DBusMessage *reply = NULL;
 386
 387                 char if_name[64];
 388                 snprintf(if_name, 64, "%s%d", STT_CLIENT_SERVICE_INTERFACE, getpid());
 389
 390                 if (dbus_message_is_method_call(msg, if_name, STTD_METHOD_HELLO)) {
 391                         SLOG(LOG_DEBUG, TAG_STTC, "===== Get Hello");
 392                         int uid = 0;
 393                         int response = -1;
 394
 395                         dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
 396                         if (dbus_error_is_set(&err)) {
 397                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 398                                 dbus_error_free(&err);
 399                         }
 400
 401                         if (uid > 0) {
 402                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get hello : uid(%d)", uid);
 403
 404                                 /* check uid */
 405                                 stt_client_s* client = stt_client_get_by_uid(uid);
 406                                 if (NULL != client)
 407                                         response = 1;
 408                                 else
 409                                         response = 0;
 410                         } else {
 411                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get hello : invalid uid");
 412                         }
 413
 414                         reply = dbus_message_new_method_return(msg);
 415
 416                         if (NULL != reply) {
 417                                 dbus_message_append_args(reply, DBUS_TYPE_INT32, &response, DBUS_TYPE_INVALID);
 418
 419                                 if (!dbus_connection_send(g_conn_listener, reply, NULL))
 420                                         SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get hello : fail to send reply");
 421                                 else
 422                                         SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt get hello : result(%d)", response);
 423
 424                                 dbus_connection_flush(g_conn_listener);
 425                                 dbus_message_unref(reply);
 426                         } else {
 427                                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get hello : fail to create reply message");
 428                         }
 429
 430                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 431                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 432                 } /* STTD_METHOD_HELLO */
 433
 434                 else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_SET_STATE)) {
 435                         SLOG(LOG_DEBUG, TAG_STTC, "===== Set State");
 436                         int uid = 0;
 437                         int state = -1;
 438
 439                         dbus_message_get_args(msg, &err,
 440                                 DBUS_TYPE_INT32, &uid,
 441                                 DBUS_TYPE_INT32, &state,
 442                                 DBUS_TYPE_INVALID);
 443
 444                         if (dbus_error_is_set(&err)) {
 445                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 446                                 dbus_error_free(&err);
 447                         }
 448
 449                         if (uid > 0 && state >= 0) {
 450                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set state : uid(%d), state(%d)", uid, state);
 451                                 __stt_cb_set_state(uid, state);
 452                         } else {
 453                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set state : invalid uid or state");
 454                         }
 455
 456                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 457                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 458                 } /* STTD_METHOD_SET_STATE */
 459
 460                 else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_SET_VOLUME)) {
 461                         SLOG(LOG_DEBUG, TAG_STTC, "===== Set volume : signal");
 462                         int uid = 0;
 463                         float volume = 0;
 464
 465                         dbus_message_get_args(msg, &err,
 466                                 DBUS_TYPE_INT32, &uid,
 467                                 DBUS_TYPE_INT32, &volume,
 468                                 DBUS_TYPE_INVALID);
 469
 470                         if (dbus_error_is_set(&err)) {
 471                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 472                                 dbus_error_free(&err);
 473                         }
 474
 475                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set volume : uid(%d), volume(%f)", uid, volume);
 476                         __stt_cb_set_volume(uid, volume);
 477
 478                         /* SLOG(LOG_DEBUG, TAG_STTC, "====="); */
 479                         /* SLOG(LOG_DEBUG, TAG_STTC, " "); */
 480                 } /* STTD_METHOD_SET_VOLUME */
 481
 482                 else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_RESULT)) {
 483                         SLOG(LOG_DEBUG, TAG_STTC, "===== Get Result : signal");
 484                         int uid = 0;
 485                         DBusMessageIter args;
 486
 487                         dbus_message_iter_init(msg, &args);
 488
 489                         /* Get result */
 490                         if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
 491                                 dbus_message_iter_get_basic(&args, &uid);
 492                                 dbus_message_iter_next(&args);
 493                         }
 494
 495                         stt_client_s* client = NULL;
 496                         client = stt_client_get_by_uid(uid);
 497                         if (NULL != client) {
 498                                 char** temp_result = NULL;
 499                                 char* temp_msg = NULL;
 500                                 char* temp_char = NULL;
 501                                 int temp_event = 0;
 502                                 int temp_count = 0;
 503                                 int temp_result_id = 0;
 504
 505                                 /* Get recognition type */
 506                                 if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
 507                                         dbus_message_iter_get_basic(&args, &temp_event);
 508                                         dbus_message_iter_next(&args);
 509                                 }
 510
 511                                 if (DBUS_TYPE_STRING == dbus_message_iter_get_arg_type(&args)) {
 512                                         dbus_message_iter_get_basic(&args, &(temp_msg));
 513                                         dbus_message_iter_next(&args);
 514                                 }
 515
 516                                 /* Get voice size */
 517                                 if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
 518                                         dbus_message_iter_get_basic(&args, &temp_count);
 519                                         dbus_message_iter_next(&args);
 520                                 }
 521
 522                                 /* Get result id */
 523                                 if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
 524                                         dbus_message_iter_get_basic(&args, &temp_result_id);
 525                                         dbus_message_iter_next(&args);
 526                                 }
 527
 528                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get result : uid(%d) event(%d) message(%s) count(%d) result id(%d)",
 529                                         uid, temp_event, temp_msg, temp_count, temp_result_id);
 530
 531                                 if (temp_count <= 0) {
 532                                         __stt_cb_result(uid, temp_event, NULL, 0, temp_msg);
 533                                 } else {
 534                                         temp_result = (char**)calloc(temp_count, sizeof(char*));
 535
 536                                         if (NULL == temp_result)        {
 537                                                 SLOG(LOG_ERROR, TAG_STTC, "Fail : memory allocation error");
 538                                         } else {
 539                                                 int i = 0;
 540                                                 for (i = 0; i < temp_count; i++) {
 541                                                         dbus_message_iter_get_basic(&args, &(temp_char));
 542                                                         dbus_message_iter_next(&args);
 543
 544                                                         if (NULL != temp_char) {
 545                                                                 temp_result[i] = strdup(temp_char);
 546                                                                 SLOG(LOG_DEBUG, TAG_STTC, "result[%d] : %s", i, temp_result[i]);
 547                                                         }
 548                                                 }
 549
 550                                                 __stt_cb_result(uid, temp_event, temp_result, temp_count, temp_msg);
 551
 552                                                 for (i = 0; i < temp_count; i++) {
 553                                                         if (NULL != temp_result[i])
 554                                                                 free(temp_result[i]);
 555                                                 }
 556
 557                                                 free(temp_result);
 558                                         }
 559                                 }
 560                         } else {
 561                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get result : invalid uid");
 562                         }
 563
 564                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 565                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 566                 } /* STTD_METHOD_RESULT */
 567
 568                 else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_ERROR)) {
 569                         SLOG(LOG_DEBUG, TAG_STTC, "===== Get Error");
 570                         int uid;
 571                         int reason;
 572                         char* err_msg;
 573
 574                         dbus_message_get_args(msg, &err,
 575                                 DBUS_TYPE_INT32, &uid,
 576                                 DBUS_TYPE_INT32, &reason,
 577                                 DBUS_TYPE_STRING, &err_msg,
 578                                 DBUS_TYPE_INVALID);
 579
 580                         if (dbus_error_is_set(&err)) {
 581                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt Get Error message : Get arguments error (%s)", err.message);
 582                                 dbus_error_free(&err);
 583                         } else {
 584                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt Get Error message : uid(%d), reason(%d), err_msg(%s)", uid, reason, (NULL == err_msg) ? "NULL" : err_msg);
 585                                 __stt_cb_error(uid, reason, err_msg);
 586                         }
 587
 588                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 589                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 590                 } /* STTD_METHOD_ERROR */
 591
 592                 else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_SPEECH_STATUS)) {
 593                         SLOG(LOG_DEBUG, TAG_STTC, "===== Speech status");
 594                         int uid = 0;
 595                         int status = -1;
 596
 597                         dbus_message_get_args(msg, &err,
 598                                 DBUS_TYPE_INT32, &uid,
 599                                 DBUS_TYPE_INT32, &status,
 600                                 DBUS_TYPE_INVALID);
 601
 602                         if (dbus_error_is_set(&err)) {
 603                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 604                                 dbus_error_free(&err);
 605                         }
 606
 607                         if (uid > 0 && status >= 0) {
 608                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt speech status : uid(%d), status(%d)", uid, status);
 609                                 __stt_cb_speech_status(uid, status);
 610                         } else {
 611                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set status : invalid uid or status");
 612                         }
 613
 614                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 615                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 616                 } /* STTD_METHOD_SPEECH_STATUS */
 617
 618                 else if (dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameOwnerChanged")) {
 619                         SLOG(LOG_DEBUG, TAG_STTC, "===== Owner Changed");
 620                         DBusError err;
 621                         dbus_error_init(&err);
 622
 623                         /* remove a rule for daemon error */
 624                         char rule_err[256] = {0, };
 625                         snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_server_service_interface);
 626                         dbus_bus_remove_match(g_conn_listener, rule_err, &err);
 627                         dbus_connection_flush(g_conn_listener);
 628                         if (dbus_error_is_set(&err)) {
 629                                 SLOG(LOG_ERROR, TAG_STTC, "Match Error (%s)", err.message);
 630                                 dbus_error_free(&err);
 631                         }
 632
 633                         __stt_cb_error(-1, STT_ERROR_SERVICE_RESET, "Daemon Reset");
 634                         SLOG(LOG_DEBUG, TAG_STTC, "=====");
 635                         SLOG(LOG_DEBUG, TAG_STTC, " ");
 636                 } /* NameOwnerChanged */
 637
 638                 else {
 639                         SLOG(LOG_DEBUG, TAG_STTC, "Message is NOT valid");
 640                         dbus_message_unref(msg);
 641                         break;
 642                 }
 643
 644                 /* free the message */
 645                 dbus_message_unref(msg);
 646         } /* while */
 647
 648         return ECORE_CALLBACK_RENEW;
 649 }
 650
 651 static void __stt_dbus_connection_free()
 652 {
 653         if (NULL != g_conn_listener) {
 654                 dbus_connection_close(g_conn_listener);
 655                 dbus_connection_unref(g_conn_listener);
 656                 g_conn_listener = NULL;
 657         }
 658         if (NULL != g_conn_sender) {
 659                 dbus_connection_close(g_conn_sender);
 660                 dbus_connection_unref(g_conn_sender);
 661                 g_conn_sender = NULL;
 662         }
 663 }
 664
 665 int stt_dbus_open_connection()
 666 {
 667         if (NULL != g_conn_sender && NULL != g_conn_listener) {
 668                 SLOG(LOG_WARN, TAG_STTC, "already existed connection ");
 669                 return 0;
 670         }
 671
 672         DBusError err;
 673
 674         /* initialise the error value */
 675         dbus_error_init(&err);
 676
 677         /* connect to the DBUS system bus, and check for errors */
 678         if (NULL == g_conn_sender) {
 679                 g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
 680                 if (dbus_error_is_set(&err)) {
 681                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Dbus Connection Error (%s)", err.message);
 682                         dbus_error_free(&err);
 683                 }
 684         }
 685
 686         if (NULL == g_conn_sender) {
 687                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] fail to get dbus connection");
 688                 return STT_ERROR_OPERATION_FAILED;
 689         }
 690
 691         dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
 692
 693         /* connect to the DBUS system bus, and check for errors */
 694         if (NULL == g_conn_listener) {
 695                 g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
 696                 if (dbus_error_is_set(&err)) {
 697                         SLOG(LOG_ERROR, TAG_STTC, "Dbus Connection Error (%s)", err.message);
 698                         dbus_error_free(&err);
 699                 }
 700         }
 701
 702         if (NULL == g_conn_listener) {
 703                 SLOG(LOG_ERROR, TAG_STTC, "Fail to get dbus connection");
 704                 __stt_dbus_connection_free();
 705                 return STT_ERROR_OPERATION_FAILED;
 706         }
 707
 708         int pid = getpid();
 709
 710         char service_name[64];
 711         memset(service_name, '\0', 64);
 712         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
 713
 714         SLOG(LOG_DEBUG, TAG_STTC, "service name is %s", service_name);
 715
 716         /* register our name on the bus, and check for errors */
 717         dbus_bus_request_name(g_conn_listener, service_name, DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
 718
 719         if (dbus_error_is_set(&err)) {
 720                 SLOG(LOG_ERROR, TAG_STTC, "Name Error (%s)", err.message);
 721                 dbus_error_free(&err);
 722         }
 723
 724         char rule[128] = {0, };
 725         snprintf(rule, 128, "type='signal',interface='%s%d'", STT_CLIENT_SERVICE_INTERFACE, pid);
 726
 727         /* add a rule for which messages we want to see */
 728         dbus_bus_add_match(g_conn_listener, rule, &err);
 729         dbus_connection_flush(g_conn_listener);
 730
 731         if (dbus_error_is_set(&err)) {
 732                 SLOG(LOG_ERROR, TAG_STTC, "Match Error (%s)", err.message);
 733                 dbus_error_free(&err);
 734                 __stt_dbus_connection_free();
 735                 return STT_ERROR_OPERATION_FAILED;
 736         }
 737
 738         int fd = 0;
 739         if (true != dbus_connection_get_unix_fd(g_conn_listener, &fd)) {
 740                 SLOG(LOG_ERROR, TAG_STTC, "Fail to get fd from dbus");
 741                 __stt_dbus_connection_free();
 742                 return STT_ERROR_OPERATION_FAILED;
 743         } else {
 744                 SLOG(LOG_DEBUG, TAG_STTC, "Get fd from dbus : %d", fd);
 745         }
 746
 747         g_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
 748         if (NULL == g_fd_handler) {
 749                 SLOG(LOG_ERROR, TAG_STTC, "fail to get fd handler from ecore");
 750                 __stt_dbus_connection_free();
 751                 return STT_ERROR_OPERATION_FAILED;
 752         }
 753
 754         return 0;
 755 }
 756
 757 int stt_dbus_close_connection()
 758 {
 759         DBusError err;
 760         dbus_error_init(&err);
 761
 762         if (NULL != g_fd_handler) {
 763                 ecore_main_fd_handler_del(g_fd_handler);
 764                 g_fd_handler = NULL;
 765         }
 766
 767         int pid = getpid();
 768
 769         char service_name[64];
 770         memset(service_name, '\0', 64);
 771         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
 772
 773         dbus_bus_release_name(g_conn_listener, service_name, &err);
 774         if (dbus_error_is_set(&err)) {
 775                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Release name Error (%s)", err.message);
 776                 dbus_error_free(&err);
 777         }
 778
 779         __stt_dbus_connection_free();
 780         __stt_dbus_service_free();
 781
 782         return 0;
 783 }
 784
 785 int stt_dbus_reconnect()
 786 {
 787         if (!g_conn_sender || !g_conn_listener) {
 788                 stt_dbus_close_connection();
 789
 790                 if (0 != stt_dbus_open_connection()) {
 791                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to reconnect");
 792                         return -1;
 793                 }
 794
 795                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] Reconnect");
 796                 return 0;
 797         }
 798
 799         bool sender_connected = dbus_connection_get_is_connected(g_conn_sender);
 800         bool listener_connected = dbus_connection_get_is_connected(g_conn_listener);
 801         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] Sender(%s) Listener(%s)",
 802                 sender_connected ? "Connected" : "Not connected", listener_connected ? "Connected" : "Not connected");
 803
 804         if (false == sender_connected || false == listener_connected) {
 805                 stt_dbus_close_connection();
 806
 807                 if (0 != stt_dbus_open_connection()) {
 808                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to reconnect");
 809                         return -1;
 810                 }
 811
 812                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] Reconnect");
 813         }
 814
 815         return 0;
 816 }
 817
 818 void __stt_dbus_service_free()
 819 {
 820         if (NULL != g_server_service_name) {
 821                 free(g_server_service_name);
 822                 g_server_service_name = NULL;
 823         }
 824         if (NULL != g_server_service_object) {
 825                 free(g_server_service_object);
 826                 g_server_service_object = NULL;
 827         }
 828         if (NULL != g_server_service_interface) {
 829                 free(g_server_service_interface);
 830                 g_server_service_interface = NULL;
 831         }
 832 }
 833
 834 int stt_dbus_request_hello(int uid)
 835 {
 836         stt_client_s* client = stt_client_get_by_uid(uid);
 837
 838         /* Check whether there is any dbus whose name has owner or not */
 839         dbus_bool_t is_exist = FALSE;
 840         DBusError err;
 841         dbus_error_init(&err);
 842
 843         DBusMessage* msg = NULL;
 844         DBusMessage* result_msg = NULL;
 845         int result = 0;
 846
 847         if (g_conn_sender) {
 848                 if (NULL != client) {
 849                         __stt_dbus_service_free();
 850
 851                         if (NULL == client->current_engine_id) {
 852                                 /* Default engine */
 853                                 g_server_service_name = strdup(STT_SERVER_SERVICE_NAME);
 854                                 if (NULL == g_server_service_name) {
 855                                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
 856                                         return STT_ERROR_OUT_OF_MEMORY;
 857                                 }
 858                                 g_server_service_object = strdup(STT_SERVER_SERVICE_OBJECT_PATH);
 859                                 if (NULL == g_server_service_name) {
 860                                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
 861                                         return STT_ERROR_OUT_OF_MEMORY;
 862                                 }
 863                                 g_server_service_interface = strdup(STT_SERVER_SERVICE_INTERFACE);
 864                                 if (NULL == g_server_service_name) {
 865                                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
 866                                         return STT_ERROR_OUT_OF_MEMORY;
 867                                 }
 868
 869                                 msg = dbus_message_new_method_call(
 870                                         STT_SERVER_SERVICE_NAME,
 871                                         STT_SERVER_SERVICE_OBJECT_PATH,
 872                                         STT_SERVER_SERVICE_INTERFACE,
 873                                         STT_METHOD_HELLO);
 874                         } else {
 875                                 /* Get service name, object, interface */
 876                                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] current_engine_id: %s", client->current_engine_id);
 877
 878                                 g_server_service_name = __stt_get_service_name(client->current_engine_id);
 879                                 g_server_service_object = __stt_get_service_object(client->current_engine_id);
 880                                 g_server_service_interface = __stt_get_service_interface(client->current_engine_id);
 881
 882                                 if (NULL == g_server_service_name || NULL == g_server_service_object || NULL == g_server_service_interface) {
 883                                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] dbus service info invalid");
 884                                         return STT_ERROR_OPERATION_FAILED;
 885                                 }
 886
 887                                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] service name: %s, object path: %s, interface: %s", g_server_service_name, g_server_service_object, g_server_service_interface);
 888
 889                                 /* Custom engine */
 890                                 is_exist = dbus_bus_name_has_owner(g_conn_sender, g_server_service_name, &err);
 891                                 SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] is there dbus name has owner??: %s (g_server_service_name: %s)", (is_exist == TRUE) ? "True" : "False", g_server_service_name);
 892
 893                                 if (TRUE == is_exist) {
 894                                         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] dbus: is_exist: True");
 895                                         msg = dbus_message_new_method_call(
 896                                                 g_server_service_name,
 897                                                 g_server_service_object,
 898                                                 g_server_service_interface,
 899                                                 STT_METHOD_HELLO);
 900                                 } else {
 901                                         SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] dbus: is_exist: False");
 902                                         msg = dbus_message_new_method_call(
 903                                                 STT_SERVER_CUSTOM_SERVICE_NAME,
 904                                                 STT_SERVER_CUSTOM_SERVICE_OBJECT_PATH,
 905                                                 STT_SERVER_CUSTOM_SERVICE_INTERFACE,
 906                                                 STT_METHOD_HELLO);
 907                                 }
 908                         }
 909                 }
 910         }
 911
 912         if (NULL == msg) {
 913 //              SLOG(LOG_ERROR, TAG_STTC, ">>>> Request stt hello : Fail to make message");
 914                 result = stt_dbus_reconnect();
 915                 if (0 != result)
 916                         return STT_ERROR_OPERATION_FAILED;
 917         }
 918
 919         if (g_conn_sender) {
 920                 result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_short_time, &err);
 921                 dbus_message_unref(msg);
 922                 if (dbus_error_is_set(&err)) {
 923                         dbus_error_free(&err);
 924                 }
 925
 926                 if (NULL != result_msg) {
 927                         dbus_message_unref(result_msg);
 928
 929                         if (dbus_error_is_set(&err)) {
 930                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 931                                 dbus_error_free(&err);
 932                         }
 933
 934                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt hello");
 935                 } else {
 936                         if (dbus_error_is_set(&err)) {
 937                                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
 938                                 dbus_error_free(&err);
 939                         }
 940
 941                         result = STT_ERROR_TIMED_OUT;
 942                 }
 943         } else {
 944                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
 945                 stt_dbus_reconnect();
 946                 result = STT_ERROR_OPERATION_FAILED;
 947         }
 948
 949         return result;
 950 }
 951
 952
 953 int stt_dbus_request_initialize(int uid, bool* silence_supported, bool* credential_needed)
 954 {
 955         DBusMessage* msg;
 956
 957         msg = dbus_message_new_method_call(
 958                 g_server_service_name,
 959                 g_server_service_object,
 960                 g_server_service_interface,
 961                 STT_METHOD_INITIALIZE);
 962
 963         if (NULL == msg) {
 964                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt initialize : Fail to make message");
 965                 return STT_ERROR_OPERATION_FAILED;
 966         } else {
 967                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt initialize : uid(%d)", uid);
 968         }
 969
 970         int pid = getpid();
 971         dbus_message_append_args(msg,
 972                 DBUS_TYPE_INT32, &pid,
 973                 DBUS_TYPE_INT32, &uid,
 974                 DBUS_TYPE_INVALID);
 975
 976         DBusError err;
 977         dbus_error_init(&err);
 978
 979         DBusMessage* result_msg;
 980         int result = STT_ERROR_OPERATION_FAILED;
 981
 982         if (g_conn_sender) {
 983                 result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
 984                 dbus_message_unref(msg);
 985                 if (dbus_error_is_set(&err)) {
 986                         SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
 987                         dbus_error_free(&err);
 988                 }
 989
 990                 if (NULL != result_msg) {
 991                         int int_silence_supported = 0;
 992                         int int_credential_needed = 0;
 993                         dbus_message_get_args(result_msg, &err,
 994                                 DBUS_TYPE_INT32, &result,
 995                                 DBUS_TYPE_INT32, &int_silence_supported,
 996                                 DBUS_TYPE_INT32, &int_credential_needed,
 997                                 DBUS_TYPE_INVALID);
 998
 999                         *silence_supported = (bool)(int_silence_supported);
1000                         *credential_needed = (bool)(int_credential_needed);
1001
1002                         if (dbus_error_is_set(&err)) {
1003                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1004                                 dbus_error_free(&err);
1005                                 result = STT_ERROR_OPERATION_FAILED;
1006                         }
1007
1008                         if (0 == result) {
1009                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt initialize : result = %d, silence(%d), credential(%d)",
1010                                         result, *silence_supported, *credential_needed);
1011
1012                                 /* add a rule for daemon error */
1013                                 char rule_err[256] = {0, };
1014                                 snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_server_service_interface);
1015                                 dbus_bus_add_match(g_conn_listener, rule_err, &err);
1016                                 dbus_connection_flush(g_conn_listener);
1017
1018                                 if (dbus_error_is_set(&err)) {
1019                                         SLOG(LOG_ERROR, TAG_STTC, "Match Error (%s)", err.message);
1020                                         dbus_error_free(&err);
1021                                         return STT_ERROR_OPERATION_FAILED;
1022                                 }
1023                         } else {
1024                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt initialize : result = %d", result);
1025                         }
1026
1027                         dbus_message_unref(result_msg);
1028                 } else {
1029                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1030                         stt_dbus_reconnect();
1031                         result = STT_ERROR_TIMED_OUT;
1032                 }
1033         } else {
1034                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
1035                 result = STT_ERROR_OPERATION_FAILED;
1036         }
1037
1038         return result;
1039 }
1040
1041 int stt_dbus_request_finalize(int uid)
1042 {
1043         DBusMessage* msg;
1044
1045         DBusError err;
1046         dbus_error_init(&err);
1047
1048         /* remove a rule for daemon error */
1049         char rule_err[256] = {0, };
1050         snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_server_service_interface);
1051         dbus_bus_remove_match(g_conn_listener, rule_err, &err);
1052         dbus_connection_flush(g_conn_listener);
1053         if (dbus_error_is_set(&err)) {
1054                 SLOG(LOG_ERROR, TAG_STTC, "Match Error (%s)", err.message);
1055                 dbus_error_free(&err);
1056         }
1057
1058         SLOG(LOG_DEBUG, TAG_STTC, "[dbus_info] service name: %s, service object: %s, service interface: %s", g_server_service_name, g_server_service_object, g_server_service_interface);
1059
1060         msg = dbus_message_new_method_call(
1061                 g_server_service_name,
1062                 g_server_service_object,
1063                 g_server_service_interface,
1064                 STT_METHOD_FINALIZE);
1065
1066         if (NULL == msg) {
1067                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt finalize : Fail to make message");
1068                 return STT_ERROR_OPERATION_FAILED;
1069         } else {
1070                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt finalize : uid(%d)", uid);
1071         }
1072
1073         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
1074
1075         DBusMessage* result_msg;
1076         int result = STT_ERROR_OPERATION_FAILED;
1077
1078         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_short_time, &err);
1079         dbus_message_unref(msg);
1080         if (dbus_error_is_set(&err)) {
1081                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1082                 dbus_error_free(&err);
1083         }
1084
1085         if (NULL != result_msg) {
1086                 dbus_message_get_args(result_msg, &err,
1087                                 DBUS_TYPE_INT32, &result,
1088                                 DBUS_TYPE_INVALID);
1089
1090                 if (dbus_error_is_set(&err)) {
1091                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1092                         dbus_error_free(&err);
1093                         result = STT_ERROR_OPERATION_FAILED;
1094                 }
1095
1096                 dbus_message_unref(result_msg);
1097
1098                 if (0 == result) {
1099                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt finalize : result = %d", result);
1100                 } else {
1101                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt finalize : result = %d", result);
1102                 }
1103         } else {
1104                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1105                 stt_dbus_reconnect();
1106                 result = STT_ERROR_TIMED_OUT;
1107         }
1108
1109         return result;
1110 }
1111
1112 int stt_dbus_request_set_current_engine(int uid, const char* engine_id, bool* silence_supported, bool* credential_needed)
1113 {
1114         DBusMessage* msg;
1115
1116         msg = dbus_message_new_method_call(
1117                 g_server_service_name,
1118                 g_server_service_object,
1119                 g_server_service_interface,
1120                 STT_METHOD_SET_CURRENT_ENGINE);
1121
1122
1123         if (NULL == msg) {
1124                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set engine : Fail to make message");
1125                 return STT_ERROR_OPERATION_FAILED;
1126         } else {
1127                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set engine : uid(%d), engine_id(%s)", uid, (NULL == engine_id) ? "NULL" : engine_id);
1128         }
1129
1130         dbus_message_append_args(msg,
1131                 DBUS_TYPE_INT32, &uid,
1132                 DBUS_TYPE_STRING, &engine_id,
1133                 DBUS_TYPE_INVALID);
1134
1135         DBusError err;
1136         dbus_error_init(&err);
1137
1138         DBusMessage* result_msg;
1139         int result = STT_ERROR_OPERATION_FAILED;
1140
1141         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1142         dbus_message_unref(msg);
1143         if (dbus_error_is_set(&err)) {
1144                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1145                 dbus_error_free(&err);
1146         }
1147
1148         if (NULL != result_msg) {
1149                 int int_silence_supported = 0;
1150                 int int_credential_needed = 0;
1151
1152                 dbus_message_get_args(result_msg, &err,
1153                         DBUS_TYPE_INT32, &result,
1154                         DBUS_TYPE_INT32, &int_silence_supported,
1155                         DBUS_TYPE_INT32, &int_credential_needed,
1156                         DBUS_TYPE_INVALID);
1157
1158                 *silence_supported = (bool)(int_silence_supported);
1159                 *credential_needed = (bool)(int_credential_needed);
1160
1161                 if (dbus_error_is_set(&err)) {
1162                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1163                         dbus_error_free(&err);
1164                         result = STT_ERROR_OPERATION_FAILED;
1165                 }
1166
1167                 dbus_message_unref(result_msg);
1168
1169                 if (0 == result) {
1170                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set engine : result = %d , silence(%d), credential(%d)",
1171                                 result, *silence_supported, *credential_needed);
1172                 } else {
1173                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set engine : result = %d", result);
1174                 }
1175         } else {
1176                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1177                 stt_dbus_reconnect();
1178                 result = STT_ERROR_TIMED_OUT;
1179         }
1180
1181         return result;
1182 }
1183
1184 int stt_dbus_request_check_app_agreed(int uid, const char* appid, bool* value)
1185 {
1186         if (NULL == appid || NULL == value) {
1187                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1188                 return STT_ERROR_INVALID_PARAMETER;
1189         }
1190
1191         DBusMessage* msg;
1192
1193         msg = dbus_message_new_method_call(
1194                 g_server_service_name,
1195                 g_server_service_object,
1196                 g_server_service_interface,
1197                 STT_METHOD_CHECK_APP_AGREED);
1198
1199         if (NULL == msg) {
1200                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt check app agreed : Fail to make message");
1201                 return STT_ERROR_OPERATION_FAILED;
1202         } else {
1203                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt check app agreed : uid(%d) appid(%s)", uid, appid);
1204         }
1205
1206         dbus_message_append_args(msg,
1207                 DBUS_TYPE_INT32, &uid,
1208                 DBUS_TYPE_STRING, &appid,
1209                 DBUS_TYPE_INVALID);
1210
1211         DBusError err;
1212         dbus_error_init(&err);
1213
1214         DBusMessage* result_msg;
1215         int result = STT_ERROR_OPERATION_FAILED;
1216         int available = -1;
1217
1218         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1219         dbus_message_unref(msg);
1220         if (dbus_error_is_set(&err)) {
1221                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1222                 dbus_error_free(&err);
1223         }
1224
1225         if (NULL != result_msg) {
1226                 dbus_message_get_args(result_msg, &err,
1227                         DBUS_TYPE_INT32, &result,
1228                         DBUS_TYPE_INT32, &available,
1229                         DBUS_TYPE_INVALID);
1230
1231                 if (dbus_error_is_set(&err)) {
1232                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1233                         dbus_error_free(&err);
1234                         result = STT_ERROR_OPERATION_FAILED;
1235                 }
1236                 dbus_message_unref(result_msg);
1237
1238                 if (0 == result) {
1239                         *value = (bool)available;
1240                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt check app agreed : result = %d, available = %d", result, *value);
1241                 } else {
1242                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt check app agreed : result = %d", result);
1243                 }
1244         } else {
1245                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1246                 stt_dbus_reconnect();
1247                 result = STT_ERROR_TIMED_OUT;
1248         }
1249
1250         return result;
1251 }
1252
1253 int stt_dbus_request_get_support_langs(int uid, stt_h stt, stt_supported_language_cb callback, void* user_data)
1254 {
1255         if (NULL == stt || NULL == callback) {
1256                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1257                 return STT_ERROR_INVALID_PARAMETER;
1258         }
1259
1260         DBusMessage* msg;
1261
1262         msg = dbus_message_new_method_call(
1263                 g_server_service_name,
1264                 g_server_service_object,
1265                 g_server_service_interface,
1266                 STT_METHOD_GET_SUPPORT_LANGS);
1267
1268         if (NULL == msg) {
1269                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get supported languages : Fail to make message");
1270                 return STT_ERROR_OPERATION_FAILED;
1271         } else {
1272                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt get supported languages : uid(%d)", uid);
1273         }
1274
1275         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
1276
1277         DBusError err;
1278         dbus_error_init(&err);
1279
1280         DBusMessage* result_msg;
1281         DBusMessageIter args;
1282         int result = STT_ERROR_OPERATION_FAILED;
1283
1284         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1285         dbus_message_unref(msg);
1286         if (dbus_error_is_set(&err)) {
1287                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1288                 dbus_error_free(&err);
1289         }
1290
1291         if (NULL != result_msg) {
1292                 if (dbus_message_iter_init(result_msg, &args)) {
1293                         /* Get result */
1294                         if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
1295                                 dbus_message_iter_get_basic(&args, &result);
1296                                 dbus_message_iter_next(&args);
1297                         }
1298
1299                         if (0 == result) {
1300                                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get support languages : result = %d", result);
1301
1302                                 /* Get voice size */
1303                                 int size = 0;
1304                                 if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
1305                                         dbus_message_iter_get_basic(&args, &size);
1306                                         dbus_message_iter_next(&args);
1307                                 }
1308
1309                                 if (0 >= size) {
1310                                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt size of language error : size = %d", size);
1311                                 } else {
1312                                         int i = 0;
1313                                         char* temp_lang;
1314
1315                                         for (i = 0; i < size; i++) {
1316                                                 dbus_message_iter_get_basic(&args, &(temp_lang));
1317                                                 dbus_message_iter_next(&args);
1318
1319                                                 if (true != callback(stt, temp_lang, user_data)) {
1320                                                         break;
1321                                                 }
1322                                         }
1323                                 }
1324                         } else {
1325                                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get support languages : result = %d", result);
1326                         }
1327                 }
1328                 dbus_message_unref(result_msg);
1329         } else {
1330                 SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get support languages : result message is NULL");
1331                 stt_dbus_reconnect();
1332                 result = STT_ERROR_TIMED_OUT;
1333         }
1334
1335         return result;
1336 }
1337
1338 int stt_dbus_request_get_default_lang(int uid, char** language)
1339 {
1340         if (NULL == language) {
1341                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1342                 return STT_ERROR_INVALID_PARAMETER;
1343         }
1344
1345         DBusMessage* msg;
1346
1347         msg = dbus_message_new_method_call(
1348                 g_server_service_name,
1349                 g_server_service_object,
1350                 g_server_service_interface,
1351                 STT_METHOD_GET_CURRENT_LANG);
1352
1353         if (NULL == msg) {
1354                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get default language : Fail to make message");
1355                 return STT_ERROR_OPERATION_FAILED;
1356         } else {
1357                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt get default language  : uid(%d)", uid);
1358         }
1359
1360         dbus_message_append_args(msg,
1361                 DBUS_TYPE_INT32, &uid,
1362                 DBUS_TYPE_INVALID);
1363
1364         DBusError err;
1365         dbus_error_init(&err);
1366
1367         DBusMessage* result_msg;
1368         int result = STT_ERROR_OPERATION_FAILED;
1369         char* temp_lang = NULL;
1370
1371         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1372         dbus_message_unref(msg);
1373         if (dbus_error_is_set(&err)) {
1374                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1375                 dbus_error_free(&err);
1376         }
1377
1378         if (NULL != result_msg) {
1379                 dbus_message_get_args(result_msg, &err,
1380                         DBUS_TYPE_INT32, &result,
1381                         DBUS_TYPE_STRING, &temp_lang,
1382                         DBUS_TYPE_INVALID);
1383
1384                 if (dbus_error_is_set(&err)) {
1385                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1386                         dbus_error_free(&err);
1387                         result = STT_ERROR_OPERATION_FAILED;
1388                 }
1389                 dbus_message_unref(result_msg);
1390
1391                 if (0 == result) {
1392                         *language = strdup(temp_lang);
1393                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get default language : result = %d, language = %s", result, *language);
1394                 } else {
1395                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get default language : result = %d", result);
1396                 }
1397         } else {
1398                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1399                 stt_dbus_reconnect();
1400                 result = STT_ERROR_TIMED_OUT;
1401         }
1402
1403         return result;
1404 }
1405
1406 int stt_dbus_request_set_private_data(int uid, const char* key, const char* data)
1407 {
1408         if (NULL == key || NULL == data) {
1409                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1410                 return STT_ERROR_INVALID_PARAMETER;
1411         }
1412
1413         DBusMessage* msg;
1414
1415         msg = dbus_message_new_method_call(
1416                 g_server_service_name,
1417                 g_server_service_object,
1418                 g_server_service_interface,
1419                 STT_METHOD_SET_PRIVATE_DATA);
1420
1421         if (NULL == msg) {
1422                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set private data : Fail to make message");
1423                 return STT_ERROR_OPERATION_FAILED;
1424         } else {
1425                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set private data : uid(%d)", uid);
1426         }
1427
1428         if (true != dbus_message_append_args(msg,
1429                         DBUS_TYPE_INT32, &uid,
1430                         DBUS_TYPE_STRING, &key,
1431                         DBUS_TYPE_STRING, &data,
1432                         DBUS_TYPE_INVALID)) {
1433                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to append args");
1434                 return STT_ERROR_OPERATION_FAILED;
1435         }
1436
1437         DBusError err;
1438         dbus_error_init(&err);
1439
1440         DBusMessage* result_msg;
1441         int result = STT_ERROR_OPERATION_FAILED;
1442
1443         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1444         dbus_message_unref(msg);
1445         if (dbus_error_is_set(&err)) {
1446                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1447                 dbus_error_free(&err);
1448         }
1449
1450         if (NULL != result_msg) {
1451                 dbus_message_get_args(result_msg, &err,
1452                         DBUS_TYPE_INT32, &result,
1453                         DBUS_TYPE_INVALID);
1454
1455                 if (dbus_error_is_set(&err)) {
1456                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1457                         dbus_error_free(&err);
1458                         result = STT_ERROR_OPERATION_FAILED;
1459                 }
1460                 dbus_message_unref(result_msg);
1461
1462                 if (0 == result) {
1463                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set private data : result = %d", result);
1464                 } else {
1465                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set private data : result = %d", result);
1466                 }
1467         } else {
1468                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1469                 stt_dbus_reconnect();
1470                 result = STT_ERROR_TIMED_OUT;
1471         }
1472
1473         return result;
1474 }
1475
1476 int stt_dbus_request_get_private_data(int uid, const char* key, char** data)
1477 {
1478         if (NULL == key || NULL == data) {
1479                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1480                 return STT_ERROR_INVALID_PARAMETER;
1481         }
1482
1483         DBusMessage* msg;
1484
1485         msg = dbus_message_new_method_call(
1486                 g_server_service_name,
1487                 g_server_service_object,
1488                 g_server_service_interface,
1489                 STT_METHOD_GET_PRIVATE_DATA);
1490
1491         if (NULL == msg) {
1492                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get private data : Fail to make message");
1493                 return STT_ERROR_OPERATION_FAILED;
1494         } else {
1495                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt get private data : uid(%d)", uid);
1496         }
1497
1498         if (true != dbus_message_append_args(msg,
1499                         DBUS_TYPE_INT32, &uid,
1500                         DBUS_TYPE_STRING, &key,
1501                         DBUS_TYPE_INVALID)) {
1502                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to append args");
1503                 return STT_ERROR_OPERATION_FAILED;
1504         }
1505
1506         DBusError err;
1507         dbus_error_init(&err);
1508
1509         DBusMessage* result_msg;
1510         int result = STT_ERROR_OPERATION_FAILED;
1511
1512         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1513         dbus_message_unref(msg);
1514         if (dbus_error_is_set(&err)) {
1515                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1516                 dbus_error_free(&err);
1517         }
1518
1519         char* temp = NULL;
1520         if (NULL != result_msg) {
1521                 dbus_message_get_args(result_msg, &err,
1522                         DBUS_TYPE_INT32, &result,
1523                         DBUS_TYPE_STRING, &temp,
1524                         DBUS_TYPE_INVALID);
1525
1526                 if (dbus_error_is_set(&err)) {
1527                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1528                         dbus_error_free(&err);
1529                         result = STT_ERROR_OPERATION_FAILED;
1530                 }
1531                 dbus_message_unref(result_msg);
1532
1533                 if (0 == result) {
1534                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get private data : result = %d", result);
1535                         if (NULL != temp) {
1536                                 *data = strdup(temp);
1537                         }
1538                 } else {
1539                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get private data : result = %d", result);
1540                 }
1541         } else {
1542                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1543                 stt_dbus_reconnect();
1544                 result = STT_ERROR_TIMED_OUT;
1545         }
1546
1547         return result;
1548 }
1549
1550
1551
1552 int stt_dbus_request_is_recognition_type_supported(int uid, const char* type, bool* support)
1553 {
1554         if (NULL == support || NULL == type) {
1555                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1556                 return STT_ERROR_INVALID_PARAMETER;
1557         }
1558
1559         DBusMessage* msg;
1560
1561         msg = dbus_message_new_method_call(
1562                 g_server_service_name,
1563                 g_server_service_object,
1564                 g_server_service_interface,
1565                 STT_METHOD_IS_TYPE_SUPPORTED);
1566
1567         if (NULL == msg) {
1568                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt is partial result supported : Fail to make message");
1569                 return STT_ERROR_OPERATION_FAILED;
1570         } else {
1571                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt is recognition type supported : uid(%d) type(%s)", uid, type);
1572         }
1573
1574         dbus_message_append_args(msg,
1575                 DBUS_TYPE_INT32, &uid,
1576                 DBUS_TYPE_STRING, &type,
1577                 DBUS_TYPE_INVALID);
1578
1579         DBusError err;
1580         dbus_error_init(&err);
1581
1582         DBusMessage* result_msg;
1583         int result = STT_ERROR_OPERATION_FAILED;
1584         int result_support = -1;
1585
1586         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1587         dbus_message_unref(msg);
1588         if (dbus_error_is_set(&err)) {
1589                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1590                 dbus_error_free(&err);
1591         }
1592
1593         if (NULL != result_msg) {
1594                 dbus_message_get_args(result_msg, &err,
1595                         DBUS_TYPE_INT32, &result,
1596                         DBUS_TYPE_INT32, &result_support,
1597                         DBUS_TYPE_INVALID);
1598
1599                 if (dbus_error_is_set(&err)) {
1600                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1601                         dbus_error_free(&err);
1602                         result = STT_ERROR_OPERATION_FAILED;
1603                 }
1604                 dbus_message_unref(result_msg);
1605
1606                 if (0 == result) {
1607                         *support = (bool)result_support;
1608                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt is recognition type supported : result = %d, support = %s", result, *support ? "true" : "false");
1609                 } else {
1610                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt is recognition type supported : result = %d", result);
1611                 }
1612         } else {
1613                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1614                 stt_dbus_reconnect();
1615                 result = STT_ERROR_TIMED_OUT;
1616         }
1617
1618         return result;
1619 }
1620
1621 int stt_dbus_request_set_start_sound(int uid, const char* file)
1622 {
1623         if (NULL == file) {
1624                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1625                 return STT_ERROR_INVALID_PARAMETER;
1626         }
1627
1628         DBusMessage* msg;
1629
1630         msg = dbus_message_new_method_call(
1631                 g_server_service_name,
1632                 g_server_service_object,
1633                 g_server_service_interface,
1634                 STT_METHOD_SET_START_SOUND);
1635
1636         if (NULL == msg) {
1637                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set start sound : Fail to make message");
1638                 return STT_ERROR_OPERATION_FAILED;
1639         } else {
1640                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set start sound : uid(%d) file(%s)", uid, file);
1641         }
1642
1643         dbus_message_append_args(msg,
1644                 DBUS_TYPE_INT32, &uid,
1645                 DBUS_TYPE_STRING, &file,
1646                 DBUS_TYPE_INVALID);
1647
1648         DBusError err;
1649         dbus_error_init(&err);
1650
1651         DBusMessage* result_msg;
1652         int result = STT_ERROR_OPERATION_FAILED;
1653
1654         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1655         dbus_message_unref(msg);
1656         if (dbus_error_is_set(&err)) {
1657                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1658                 dbus_error_free(&err);
1659         }
1660
1661         if (NULL != result_msg) {
1662                 dbus_message_get_args(result_msg, &err,
1663                         DBUS_TYPE_INT32, &result,
1664                         DBUS_TYPE_INVALID);
1665
1666                 if (dbus_error_is_set(&err)) {
1667                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1668                         dbus_error_free(&err);
1669                         result = STT_ERROR_OPERATION_FAILED;
1670                 }
1671                 dbus_message_unref(result_msg);
1672
1673                 if (0 == result) {
1674                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set start sound : result = %d", result);
1675                 } else {
1676                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set start sound : result = %d", result);
1677                 }
1678         } else {
1679                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1680                 stt_dbus_reconnect();
1681                 result = STT_ERROR_TIMED_OUT;
1682         }
1683
1684         return result;
1685 }
1686
1687 int stt_dbus_request_unset_start_sound(int uid)
1688 {
1689         DBusMessage* msg;
1690
1691         msg = dbus_message_new_method_call(
1692                 g_server_service_name,
1693                 g_server_service_object,
1694                 g_server_service_interface,
1695                 STT_METHOD_UNSET_START_SOUND);
1696
1697         if (NULL == msg) {
1698                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt unset start sound : Fail to make message");
1699                 return STT_ERROR_OPERATION_FAILED;
1700         } else {
1701                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt unset start sound : uid(%d)", uid);
1702         }
1703
1704         dbus_message_append_args(msg,
1705                 DBUS_TYPE_INT32, &uid,
1706                 DBUS_TYPE_INVALID);
1707
1708         DBusError err;
1709         dbus_error_init(&err);
1710
1711         DBusMessage* result_msg;
1712         int result = STT_ERROR_OPERATION_FAILED;
1713
1714         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1715         dbus_message_unref(msg);
1716         if (dbus_error_is_set(&err)) {
1717                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1718                 dbus_error_free(&err);
1719         }
1720
1721         if (NULL != result_msg) {
1722                 dbus_message_get_args(result_msg, &err,
1723                         DBUS_TYPE_INT32, &result,
1724                         DBUS_TYPE_INVALID);
1725
1726                 if (dbus_error_is_set(&err)) {
1727                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1728                         dbus_error_free(&err);
1729                         result = STT_ERROR_OPERATION_FAILED;
1730                 }
1731                 dbus_message_unref(result_msg);
1732
1733                 if (0 == result) {
1734                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt unset start sound : result = %d", result);
1735                 } else {
1736                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt unset start sound : result = %d", result);
1737                 }
1738         } else {
1739                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1740                 stt_dbus_reconnect();
1741                 result = STT_ERROR_TIMED_OUT;
1742         }
1743
1744         return result;
1745 }
1746
1747 int stt_dbus_request_set_stop_sound(int uid, const char* file)
1748 {
1749         if (NULL == file) {
1750                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1751                 return STT_ERROR_INVALID_PARAMETER;
1752         }
1753
1754         DBusMessage* msg;
1755
1756         msg = dbus_message_new_method_call(
1757                 g_server_service_name,
1758                 g_server_service_object,
1759                 g_server_service_interface,
1760                 STT_METHOD_SET_STOP_SOUND);
1761
1762         if (NULL == msg) {
1763                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set stop sound : Fail to make message");
1764                 return STT_ERROR_OPERATION_FAILED;
1765         } else {
1766                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set stop sound : uid(%d) file(%s)", uid, file);
1767         }
1768
1769         dbus_message_append_args(msg,
1770                 DBUS_TYPE_INT32, &uid,
1771                 DBUS_TYPE_STRING, &file,
1772                 DBUS_TYPE_INVALID);
1773
1774         DBusError err;
1775         dbus_error_init(&err);
1776
1777         DBusMessage* result_msg;
1778         int result = STT_ERROR_OPERATION_FAILED;
1779
1780         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1781         dbus_message_unref(msg);
1782         if (dbus_error_is_set(&err)) {
1783                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1784                 dbus_error_free(&err);
1785         }
1786
1787         if (NULL != result_msg) {
1788                 dbus_message_get_args(result_msg, &err,
1789                         DBUS_TYPE_INT32, &result,
1790                         DBUS_TYPE_INVALID);
1791
1792                 if (dbus_error_is_set(&err)) {
1793                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1794                         dbus_error_free(&err);
1795                         result = STT_ERROR_OPERATION_FAILED;
1796                 }
1797                 dbus_message_unref(result_msg);
1798
1799                 if (0 == result) {
1800                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set stop sound : result = %d", result);
1801                 } else {
1802                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set stop sound : result = %d", result);
1803                 }
1804         } else {
1805                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1806                 stt_dbus_reconnect();
1807                 result = STT_ERROR_TIMED_OUT;
1808         }
1809
1810         return result;
1811 }
1812
1813 int stt_dbus_request_unset_stop_sound(int uid)
1814 {
1815         DBusMessage* msg;
1816
1817         msg = dbus_message_new_method_call(
1818                 g_server_service_name,
1819                 g_server_service_object,
1820                 g_server_service_interface,
1821                 STT_METHOD_UNSET_STOP_SOUND);
1822
1823         if (NULL == msg) {
1824                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt unset stop sound : Fail to make message");
1825                 return STT_ERROR_OPERATION_FAILED;
1826         } else {
1827                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt unset stop sound : uid(%d)", uid);
1828         }
1829
1830         dbus_message_append_args(msg,
1831                 DBUS_TYPE_INT32, &uid,
1832                 DBUS_TYPE_INVALID);
1833
1834         DBusError err;
1835         dbus_error_init(&err);
1836
1837         DBusMessage* result_msg;
1838         int result = STT_ERROR_OPERATION_FAILED;
1839
1840         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1841         dbus_message_unref(msg);
1842         if (dbus_error_is_set(&err)) {
1843                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1844                 dbus_error_free(&err);
1845         }
1846
1847         if (NULL != result_msg) {
1848                 dbus_message_get_args(result_msg, &err,
1849                         DBUS_TYPE_INT32, &result,
1850                         DBUS_TYPE_INVALID);
1851
1852                 if (dbus_error_is_set(&err)) {
1853                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1854                         dbus_error_free(&err);
1855                         result = STT_ERROR_OPERATION_FAILED;
1856                 }
1857                 dbus_message_unref(result_msg);
1858
1859                 if (0 == result) {
1860                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt unset stop sound : result = %d", result);
1861                 } else {
1862                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt unset stop sound : result = %d", result);
1863                 }
1864         } else {
1865                 SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
1866                 stt_dbus_reconnect();
1867                 result = STT_ERROR_TIMED_OUT;
1868         }
1869
1870         return result;
1871 }
1872
1873 int stt_dbus_request_start(int uid, const char* lang, const char* type, int silence, const char* appid, const char* credential)
1874 {
1875         if (NULL == lang || NULL == type || NULL == appid) {
1876                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
1877                 return STT_ERROR_INVALID_PARAMETER;
1878         }
1879
1880         DBusMessage* msg;
1881
1882         /* create a signal & check for errors */
1883         msg = dbus_message_new_method_call(
1884                 g_server_service_name,
1885                 g_server_service_object,
1886                 g_server_service_interface,
1887                 STT_METHOD_START);
1888
1889         if (NULL == msg) {
1890                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt start : Fail to make message");
1891                 return STT_ERROR_OPERATION_FAILED;
1892         } else {
1893                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt start : uid(%d), language(%s), type(%s)", uid, lang, type);
1894         }
1895
1896         char *temp = NULL;
1897         if (NULL == credential) {
1898                 temp = strdup("NULL");
1899         } else {
1900                 temp = strdup(credential);
1901         }
1902
1903         dbus_message_append_args(msg,
1904                 DBUS_TYPE_INT32, &uid,
1905                 DBUS_TYPE_STRING, &lang,
1906                 DBUS_TYPE_STRING, &type,
1907                 DBUS_TYPE_INT32, &silence,
1908                 DBUS_TYPE_STRING, &appid,
1909                 DBUS_TYPE_STRING, &temp,
1910                 DBUS_TYPE_INVALID);
1911 #if 1
1912         if (g_conn_sender) {
1913                 dbus_message_set_no_reply(msg, TRUE);
1914
1915                 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
1916                         SLOG(LOG_ERROR, TAG_STTC, "[Dbus ERROR] <<<< stt start message : Out Of Memory !");
1917                         if (NULL != temp) {
1918                                         free(temp);
1919                                         temp = NULL;
1920                         }
1921                         return STT_ERROR_OUT_OF_MEMORY;
1922                 } else {
1923                         dbus_connection_flush(g_conn_sender);
1924                 }
1925
1926                 dbus_message_unref(msg);
1927
1928         } else {
1929                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
1930                 if (NULL != temp) {
1931                                 free(temp);
1932                                 temp = NULL;
1933                 }
1934                 return STT_ERROR_OPERATION_FAILED;
1935         }
1936
1937         if (NULL != temp) {
1938                         free(temp);
1939                         temp = NULL;
1940         }
1941         return 0;
1942 #else
1943         DBusError err;
1944         dbus_error_init(&err);
1945
1946         DBusMessage* result_msg;
1947         int result = STT_ERROR_OPERATION_FAILED;
1948
1949         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
1950         dbus_message_unref(msg);
1951         if (dbus_error_is_set(&err)) {
1952                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
1953                 dbus_error_free(&err);
1954         }
1955
1956         if (NULL != result_msg) {
1957                 dbus_message_get_args(result_msg, &err,
1958                         DBUS_TYPE_INT32, &result,
1959                         DBUS_TYPE_INVALID);
1960
1961                 if (dbus_error_is_set(&err)) {
1962                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
1963                         dbus_error_free(&err);
1964                         result = STT_ERROR_OPERATION_FAILED;
1965                 }
1966                 dbus_message_unref(result_msg);
1967
1968                 if (0 == result) {
1969                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt start : result = %d ", result);
1970                 } else {
1971                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt start : result = %d ", result);
1972                 }
1973         } else {
1974                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< Result Message is NULL");
1975                 stt_dbus_reconnect();
1976                 result = STT_ERROR_TIMED_OUT;
1977         }
1978
1979         return result;
1980 #endif
1981 }
1982
1983 int stt_dbus_request_stop(int uid)
1984 {
1985         DBusMessage* msg;
1986
1987         /* create a signal & check for errors */
1988         msg = dbus_message_new_method_call(
1989                 g_server_service_name,
1990                 g_server_service_object,
1991                 g_server_service_interface,
1992                 STT_METHOD_STOP);
1993
1994         if (NULL == msg) {
1995                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt stop : Fail to make message");
1996                 return STT_ERROR_OPERATION_FAILED;
1997         } else {
1998                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt stop : uid(%d)", uid);
1999         }
2000
2001         dbus_message_append_args(msg,
2002                 DBUS_TYPE_INT32, &uid,
2003                 DBUS_TYPE_INVALID);
2004 #if 1
2005         if (g_conn_sender) {
2006                 dbus_message_set_no_reply(msg, TRUE);
2007
2008                 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
2009                         SLOG(LOG_ERROR, TAG_STTC, "[Dbus ERROR] <<<< stt stop message : Out Of Memory !");
2010                         return STT_ERROR_OUT_OF_MEMORY;
2011                 } else {
2012                         dbus_connection_flush(g_conn_sender);
2013                 }
2014
2015                 dbus_message_unref(msg);
2016         } else {
2017                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
2018                 return STT_ERROR_OPERATION_FAILED;
2019         }
2020
2021         return 0;
2022 #else
2023         DBusError err;
2024         dbus_error_init(&err);
2025
2026         DBusMessage* result_msg;
2027         int result = STT_ERROR_OPERATION_FAILED;
2028
2029         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
2030         dbus_message_unref(msg);
2031         if (dbus_error_is_set(&err)) {
2032                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
2033                 dbus_error_free(&err);
2034         }
2035
2036         if (NULL != result_msg) {
2037                 dbus_message_get_args(result_msg, &err,
2038                         DBUS_TYPE_INT32, &result,
2039                         DBUS_TYPE_INVALID);
2040
2041                 if (dbus_error_is_set(&err)) {
2042                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
2043                         dbus_error_free(&err);
2044                         result = STT_ERROR_OPERATION_FAILED;
2045                 }
2046                 dbus_message_unref(result_msg);
2047
2048                 if (0 == result) {
2049                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt stop : result = %d ", result);
2050                 } else {
2051                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt stop : result = %d ", result);
2052                 }
2053         } else {
2054                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< Result Message is NULL");
2055                 stt_dbus_reconnect();
2056                 result = STT_ERROR_TIMED_OUT;
2057         }
2058
2059         return result;
2060 #endif
2061 }
2062
2063 int stt_dbus_request_cancel(int uid)
2064 {
2065         DBusMessage* msg;
2066
2067         /* create a signal & check for errors */
2068         msg = dbus_message_new_method_call(
2069                 g_server_service_name,
2070                 g_server_service_object,
2071                 g_server_service_interface,
2072                 STT_METHOD_CANCEL);
2073
2074         if (NULL == msg) {
2075                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt cancel : Fail to make message");
2076                 return STT_ERROR_OPERATION_FAILED;
2077         } else {
2078                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt cancel : uid(%d)", uid);
2079         }
2080
2081         dbus_message_append_args(msg,
2082                 DBUS_TYPE_INT32, &uid,
2083                 DBUS_TYPE_INVALID);
2084 #if 1
2085         if (g_conn_sender) {
2086                 dbus_message_set_no_reply(msg, TRUE);
2087
2088                 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
2089                         SLOG(LOG_ERROR, TAG_STTC, "[Dbus ERROR] <<<< stt stop message : Out Of Memory !");
2090                         return STT_ERROR_OUT_OF_MEMORY;
2091                 } else {
2092                         dbus_connection_flush(g_conn_sender);
2093                 }
2094
2095                 dbus_message_unref(msg);
2096         } else {
2097                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
2098                 return STT_ERROR_OPERATION_FAILED;
2099         }
2100
2101         return 0;
2102 #else
2103         DBusError err;
2104         dbus_error_init(&err);
2105
2106         DBusMessage* result_msg;
2107         int result = STT_ERROR_OPERATION_FAILED;
2108
2109         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
2110         dbus_message_unref(msg);
2111         if (dbus_error_is_set(&err)) {
2112                 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Send Error (%s)", err.message);
2113                 dbus_error_free(&err);
2114         }
2115
2116         if (NULL != result_msg) {
2117                 dbus_message_get_args(result_msg, &err,
2118                         DBUS_TYPE_INT32, &result,
2119                         DBUS_TYPE_INVALID);
2120
2121                 if (dbus_error_is_set(&err)) {
2122                         SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
2123                         dbus_error_free(&err);
2124                         result = STT_ERROR_OPERATION_FAILED;
2125                 }
2126                 dbus_message_unref(result_msg);
2127
2128                 if (0 == result) {
2129                         SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt cancel : result = %d ", result);
2130                 } else {
2131                         SLOG(LOG_ERROR, TAG_STTC, "<<<< stt cancel : result = %d ", result);
2132                 }
2133         } else {
2134                 SLOG(LOG_DEBUG, TAG_STTC, "<<<< Result Message is NULL");
2135                 stt_dbus_reconnect();
2136                 result = STT_ERROR_TIMED_OUT;
2137         }
2138
2139         return result;
2140 #endif
2141 }
2142
2143 int stt_dbus_request_start_file(int uid, const char* lang, const char* type, int silence, const char* appid, const char* credential, const char* filepath, stt_audio_type_e audio_type, int sample_rate)
2144 {
2145         if (NULL == lang || NULL == type || NULL == appid) {
2146                 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
2147                 return STT_ERROR_INVALID_PARAMETER;
2148         }
2149
2150         DBusMessage* msg;
2151
2152         /* create a signal & check for errors */
2153         msg = dbus_message_new_method_call(
2154                 g_server_service_name,
2155                 g_server_service_object,
2156                 g_server_service_interface,
2157                 STT_METHOD_START_FILE);
2158
2159         if (NULL == msg) {
2160                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt start file : Fail to make message");
2161                 return STT_ERROR_OPERATION_FAILED;
2162         } else {
2163                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt start file : uid(%d), language(%s), type(%s), appid(%s), filepath(%s), audio_type(%d), sample_rate(%d)", uid, lang, type, appid, filepath, audio_type, sample_rate);
2164         }
2165
2166         char *temp = NULL;
2167         if (NULL == credential) {
2168                 temp = strdup("NULL");
2169         } else {
2170                 temp = strdup(credential);
2171         }
2172
2173         dbus_message_append_args(msg,
2174                 DBUS_TYPE_INT32, &uid,
2175                 DBUS_TYPE_STRING, &lang,
2176                 DBUS_TYPE_STRING, &type,
2177                 DBUS_TYPE_INT32, &silence,
2178                 DBUS_TYPE_STRING, &appid,
2179                 DBUS_TYPE_STRING, &temp,
2180                 DBUS_TYPE_STRING, &filepath,
2181                 DBUS_TYPE_INT32, &audio_type,
2182                 DBUS_TYPE_INT32, &sample_rate,
2183                 DBUS_TYPE_INVALID);
2184         if (g_conn_sender) {
2185                 dbus_message_set_no_reply(msg, TRUE);
2186
2187                 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
2188                         SLOG(LOG_ERROR, TAG_STTC, "[Dbus ERROR] <<<< stt start message : Out Of Memory !");
2189                         if (NULL != temp) {
2190                                 free(temp);
2191                                 temp = NULL;
2192                         }
2193                         return STT_ERROR_OUT_OF_MEMORY;
2194                 } else {
2195                         dbus_connection_flush(g_conn_sender);
2196                 }
2197
2198                 dbus_message_unref(msg);
2199
2200         } else {
2201                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
2202                 if (NULL != temp) {
2203                                 free(temp);
2204                                 temp = NULL;
2205                 }
2206                 return STT_ERROR_OPERATION_FAILED;
2207         }
2208
2209         if (NULL != temp) {
2210                         free(temp);
2211                         temp = NULL;
2212         }
2213         return 0;
2214 }
2215
2216 int stt_dbus_request_cancel_file(int uid)
2217 {
2218         DBusMessage* msg;
2219
2220         /* create a signal & check for errors */
2221         msg = dbus_message_new_method_call(
2222                 g_server_service_name,
2223                 g_server_service_object,
2224                 g_server_service_interface,
2225                 STT_METHOD_CANCEL_FILE);
2226
2227         if (NULL == msg) {
2228                 SLOG(LOG_ERROR, TAG_STTC, ">>>> stt cancel file : Fail to make message");
2229                 return STT_ERROR_OPERATION_FAILED;
2230         } else {
2231                 SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt cancel file : uid(%d)", uid);
2232         }
2233
2234         dbus_message_append_args(msg,
2235                 DBUS_TYPE_INT32, &uid,
2236                 DBUS_TYPE_INVALID);
2237
2238         if (g_conn_sender) {
2239                 dbus_message_set_no_reply(msg, TRUE);
2240
2241                 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
2242                         SLOG(LOG_ERROR, TAG_STTC, "[Dbus ERROR] <<<< stt stop message : Out Of Memory !");
2243                         return STT_ERROR_OUT_OF_MEMORY;
2244                 } else {
2245                         dbus_connection_flush(g_conn_sender);
2246                 }
2247
2248                 dbus_message_unref(msg);
2249         } else {
2250                 SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
2251                 return STT_ERROR_OPERATION_FAILED;
2252         }
2253
2254         return 0;
2255 }
2256