server/ttsd_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 #include <dbus/dbus.h>
  15 #include <dirent.h>
  16 #include <dlfcn.h>
  17 #include <Ecore.h>
  18
  19 #include "tts_config_mgr.h"
  20 #include "ttsd_main.h"
  21 #include "ttsd_dbus_server.h"
  22 #include "ttsd_dbus.h"
  23 #include "ttsd_server.h"
  24
  25 static DBusConnection* g_conn_sender = NULL;
  26 static DBusConnection* g_conn_listener = NULL;
  27
  28 static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
  29
  30 //static int g_waiting_time = 3000;
  31
  32 static char *g_service_name = NULL;
  33 static char *g_service_object = NULL;
  34 static char *g_service_interface = NULL;
  35
  36 const char* __ttsd_get_error_code(ttsd_error_e err)
  37 {
  38         switch (err) {
  39         case TTSD_ERROR_NONE:                   return "TTS_ERROR_NONE";
  40         case TTSD_ERROR_OUT_OF_MEMORY:          return "TTS_ERROR_OUT_OF_MEMORY";
  41         case TTSD_ERROR_IO_ERROR:               return "TTS_ERROR_IO_ERROR";
  42         case TTSD_ERROR_INVALID_PARAMETER:      return "TTS_ERROR_INVALID_PARAMETER";
  43         case TTSD_ERROR_OUT_OF_NETWORK:         return "TTS_ERROR_OUT_OF_NETWORK";
  44         case TTSD_ERROR_INVALID_STATE:          return "TTS_ERROR_INVALID_STATE";
  45         case TTSD_ERROR_INVALID_VOICE:          return "TTS_ERROR_INVALID_VOICE";
  46         case TTSD_ERROR_ENGINE_NOT_FOUND:       return "TTS_ERROR_ENGINE_NOT_FOUND";
  47         case TTSD_ERROR_TIMED_OUT:              return "TTS_ERROR_TIMED_OUT";
  48         case TTSD_ERROR_OPERATION_FAILED:       return "TTS_ERROR_OPERATION_FAILED";
  49         case TTSD_ERROR_AUDIO_POLICY_BLOCKED:   return "TTS_ERROR_AUDIO_POLICY_BLOCKED";
  50         case TTSD_ERROR_NOT_SUPPORTED_FEATURE:  return "TTSD_ERROR_NOT_SUPPORTED_FEATURE";
  51         case TTSD_ERROR_SERVICE_RESET:          return "TTSD_ERROR_SERVICE_RESET";
  52         default:
  53                 return "Invalid error code";
  54         }
  55
  56         return NULL;
  57 }
  58
  59 int ttsdc_send_hello(int pid, int uid, int ret, int credential_needed)
  60 {
  61         if (NULL == g_conn_sender) {
  62                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
  63                 return -1;
  64         }
  65
  66         DBusMessage* msg;
  67         char target_if_name[64];
  68         snprintf(target_if_name, sizeof(target_if_name), "%s%d", TTS_CLIENT_SERVICE_INTERFACE, pid);
  69
  70         /* create a message */
  71         msg = dbus_message_new_signal(
  72                 TTS_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
  73                 target_if_name,                         /* interface name of the signal */
  74                 TTSD_METHOD_HELLO);                     /* name of the signal */
  75
  76         if (NULL == msg) {
  77                 SLOG(LOG_ERROR, tts_tag(), "<<<< [Dbus ERROR] Fail to create hello message : uid(%d), ret(%d), credential_needed(%d)", uid, ret, credential_needed);
  78                 return -1;
  79         } else {
  80                 SLOG(LOG_INFO, tts_tag(), "<<<< [Dbus] Send hello message : uid(%d), ret(%d), credential_needed(%d)", uid, ret, credential_needed);
  81         }
  82
  83         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &ret, DBUS_TYPE_INT32, &credential_needed, DBUS_TYPE_INVALID);
  84
  85         if (1 != dbus_connection_send(g_conn_sender, msg, NULL)) {
  86                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to Send");
  87                 return TTSD_ERROR_OPERATION_FAILED;
  88         } else {
  89                 SLOG(LOG_INFO, tts_tag(), "[Dbus] SUCCESS Send");
  90                 dbus_connection_flush(g_conn_sender);
  91         }
  92
  93         dbus_message_unref(msg);
  94         return 0;
  95 }
  96
  97 int ttsdc_send_message(int pid, int uid, int data, const char *method)
  98 {
  99         if (NULL == g_conn_sender) {
 100                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
 101                 return -1;
 102         }
 103
 104         DBusMessage* msg = NULL;
 105
 106         char target_if_name[64];
 107         snprintf(target_if_name, sizeof(target_if_name), "%s%d", TTS_CLIENT_SERVICE_INTERFACE, pid);
 108
 109         /* create a message */
 110         msg = dbus_message_new_signal(
 111                 TTS_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
 112                 target_if_name,                         /* interface name of the signal */
 113                 method);                        /* name of the signal */
 114
 115         if (NULL == msg) {
 116                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to create message : %s", method);
 117                 return -1;
 118         } else {
 119                 SLOG(LOG_DEBUG, tts_tag(), "[Dbus] Send %s message : uid(%d) data(%d)", method, uid, data);
 120         }
 121
 122         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &data, DBUS_TYPE_INVALID);
 123
 124         if (1 != dbus_connection_send(g_conn_sender, msg, NULL)) {
 125                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to Send");
 126                 return -1;
 127         } else {
 128                 SLOG(LOG_DEBUG, tts_tag(), "[Dbus] SUCCESS Send");
 129                 dbus_connection_flush(g_conn_sender);
 130         }
 131
 132         dbus_message_unref(msg);
 133
 134         return 0;
 135 }
 136
 137 int ttsdc_send_utt_start_message(int pid, int uid, int uttid)
 138 {
 139         return ttsdc_send_message(pid, uid, uttid, TTSD_METHOD_UTTERANCE_STARTED);
 140 }
 141
 142 int ttsdc_send_utt_finish_message(int pid, int uid, int uttid)
 143 {
 144         return ttsdc_send_message(pid, uid, uttid, TTSD_METHOD_UTTERANCE_COMPLETED);
 145 }
 146
 147 int ttsdc_send_set_state_message(int pid, int uid, int state)
 148 {
 149         return ttsdc_send_message(pid, uid, state, TTSD_METHOD_SET_STATE);
 150 }
 151
 152 int ttsdc_send_error_message(int pid, int uid, int uttid, int reason, char* err_msg)
 153 {
 154         if (NULL == g_conn_sender) {
 155                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
 156                 return -1;
 157         }
 158
 159         DBusMessage* msg = NULL;
 160
 161         char target_if_name[64];
 162         snprintf(target_if_name, sizeof(target_if_name), "%s%d", TTS_CLIENT_SERVICE_INTERFACE, pid);
 163
 164         /* create a message */
 165         msg = dbus_message_new_signal(
 166                 TTS_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
 167                 target_if_name,                         /* interface name of the signal */
 168                 TTSD_METHOD_ERROR);             /* name of the signal */
 169
 170         if (NULL == msg) {
 171                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to create error message : uid(%d)", uid);
 172                 return -1;
 173         }
 174
 175         dbus_message_append_args(msg,
 176                 DBUS_TYPE_INT32, &uid,
 177                 DBUS_TYPE_INT32, &uttid,
 178                 DBUS_TYPE_INT32, &reason,
 179                 DBUS_TYPE_STRING, &err_msg,
 180                 DBUS_TYPE_INVALID);
 181
 182         dbus_message_set_no_reply(msg, TRUE);
 183
 184         if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
 185                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] <<<< error message : Out Of Memory !");
 186         } else {
 187                 SLOG(LOG_DEBUG, tts_tag(), "<<<< Send error message : uid(%d), reason(%s), uttid(%d), err_msg(%s)",
 188                          uid, __ttsd_get_error_code(reason), uttid, (NULL == err_msg) ? "NULL" : err_msg);
 189                 dbus_connection_flush(g_conn_sender);
 190         }
 191
 192         dbus_message_unref(msg);
 193
 194         return 0;
 195 }
 196
 197 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 198 {
 199         if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 200
 201         dbus_connection_read_write_dispatch(g_conn_listener, 50);
 202
 203         while (1) {
 204                 DBusMessage* msg = NULL;
 205                 msg = dbus_connection_pop_message(g_conn_listener);
 206
 207                 if (true != dbus_connection_get_is_connected(g_conn_listener)) {
 208                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Connection is disconnected");
 209                         return ECORE_CALLBACK_RENEW;
 210                 }
 211
 212                 /* loop again if we haven't read a message */
 213                 if (NULL == msg) {
 214                         return ECORE_CALLBACK_RENEW;
 215                 }
 216
 217                 /* client event */
 218                 if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_HELLO)) {
 219                         ttsd_dbus_server_hello(g_conn_listener, msg);
 220
 221                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_HELLO_SYNC)) {
 222                         ttsd_dbus_server_hello_sync(g_conn_listener, msg);
 223
 224                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_INITIALIZE)) {
 225                         ttsd_dbus_server_initialize(g_conn_listener, msg);
 226
 227                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_FINALIZE)) {
 228                         ttsd_dbus_server_finalize(g_conn_listener, msg);
 229
 230                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_SUPPORT_VOICES)) {
 231                         ttsd_dbus_server_get_support_voices(g_conn_listener, msg);
 232
 233                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_CURRENT_VOICE)) {
 234                         ttsd_dbus_server_get_current_voice(g_conn_listener, msg);
 235
 236                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_ADD_QUEUE)) {
 237                         ttsd_dbus_server_add_text(g_conn_listener, msg);
 238
 239                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PLAY)) {
 240                         ttsd_dbus_server_play(g_conn_listener, msg);
 241
 242                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_STOP)) {
 243                         ttsd_dbus_server_stop(g_conn_listener, msg);
 244
 245                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PAUSE)) {
 246                         ttsd_dbus_server_pause(g_conn_listener, msg);
 247
 248                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_SET_PRIVATE_DATA)) {
 249                         ttsd_dbus_server_set_private_data(g_conn_listener, msg);
 250
 251                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_PRIVATE_DATA)) {
 252                         ttsd_dbus_server_get_private_data(g_conn_listener, msg);
 253
 254                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PLAY_PCM)) {
 255                         ttsd_dbus_server_play_pcm(g_conn_listener, msg);
 256
 257                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_STOP_PCM)) {
 258                         ttsd_dbus_server_stop_pcm(g_conn_listener, msg);
 259
 260                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_ADD_PCM)) {
 261                         ttsd_dbus_server_add_pcm(g_conn_listener, msg);
 262
 263                 } else {
 264                         SLOG(LOG_DEBUG, tts_tag(), "Message is NOT valid");
 265                         /* Invalid method */
 266                 }
 267                 /* free the message */
 268                 dbus_message_unref(msg);
 269         }
 270
 271         return ECORE_CALLBACK_RENEW;
 272 }
 273
 274 void __ttsd_dbus_service_free()
 275 {
 276         if (NULL != g_service_name) {
 277                 free(g_service_name);
 278                 g_service_name = NULL;
 279         }
 280
 281         if (NULL != g_service_object) {
 282                 free(g_service_object);
 283                 g_service_object = NULL;
 284         }
 285
 286         if (NULL != g_service_interface) {
 287                 free(g_service_interface);
 288                 g_service_interface = NULL;
 289         }
 290 }
 291
 292 void __ttsd_dbus_connection_free()
 293 {
 294         if (NULL != g_conn_listener) {
 295                 dbus_connection_close(g_conn_listener);
 296                 dbus_connection_unref(g_conn_listener);
 297                 g_conn_listener = NULL;
 298         }
 299         if (NULL != g_conn_sender) {
 300                 dbus_connection_close(g_conn_sender);
 301                 dbus_connection_unref(g_conn_sender);
 302                 g_conn_sender = NULL;
 303         }
 304 }
 305
 306 int ttsd_dbus_open_connection()
 307 {
 308         SLOG(LOG_DEBUG, tts_tag(), "@@@ start dbus open connection");
 309         DBusError err;
 310         dbus_error_init(&err);
 311
 312         int ret;
 313
 314         /* Create connection for sender */
 315         g_conn_sender = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
 316         if (dbus_error_is_set(&err)) {
 317                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
 318                 dbus_error_free(&err);
 319         }
 320
 321         if (NULL == g_conn_sender) {
 322                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get dbus connection sender");
 323                 return -1;
 324         }
 325
 326         dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
 327
 328         /* connect to the bus and check for errors */
 329         g_conn_listener = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
 330         if (dbus_error_is_set(&err)) {
 331                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
 332                 dbus_error_free(&err);
 333                 __ttsd_dbus_connection_free();
 334                 return -1;
 335         }
 336
 337         if (NULL == g_conn_listener) {
 338                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get dbus connection");
 339                 __ttsd_dbus_connection_free();
 340                 return -1;
 341         }
 342
 343         dbus_connection_set_exit_on_disconnect(g_conn_listener, false);
 344
 345         __ttsd_dbus_service_free();
 346
 347         if (TTSD_MODE_SCREEN_READER == ttsd_get_mode()) {
 348                 g_service_name = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_NAME) + 1, sizeof(char));
 349                 g_service_object = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 350                 g_service_interface = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 351
 352                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 353                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 354                         __ttsd_dbus_service_free();
 355                         __ttsd_dbus_connection_free();
 356                         return -1;
 357                 }
 358
 359                 snprintf(g_service_name, strlen(TTS_SR_SERVER_SERVICE_NAME) + 1, "%s", TTS_SR_SERVER_SERVICE_NAME);
 360                 snprintf(g_service_object, strlen(TTS_SR_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_SR_SERVER_SERVICE_OBJECT_PATH);
 361                 snprintf(g_service_interface, strlen(TTS_SR_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_SR_SERVER_SERVICE_INTERFACE);
 362         } else if (TTSD_MODE_NOTIFICATION == ttsd_get_mode()) {
 363                 g_service_name = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_NAME) + 1, sizeof(char));
 364                 g_service_object = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 365                 g_service_interface = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 366
 367                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 368                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 369                         __ttsd_dbus_service_free();
 370                         __ttsd_dbus_connection_free();
 371                         return -1;
 372                 }
 373
 374                 snprintf(g_service_name, strlen(TTS_NOTI_SERVER_SERVICE_NAME) + 1, "%s", TTS_NOTI_SERVER_SERVICE_NAME);
 375                 snprintf(g_service_object, strlen(TTS_NOTI_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_NOTI_SERVER_SERVICE_OBJECT_PATH);
 376                 snprintf(g_service_interface, strlen(TTS_NOTI_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_NOTI_SERVER_SERVICE_INTERFACE);
 377         } else if (TTSD_MODE_INTERRUPT == ttsd_get_mode()) {
 378                 g_service_name = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_NAME) + 1, sizeof(char));
 379                 g_service_object = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 380                 g_service_interface = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 381
 382                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 383                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 384                         __ttsd_dbus_service_free();
 385                         __ttsd_dbus_connection_free();
 386                         return -1;
 387                 }
 388
 389                 snprintf(g_service_name, strlen(TTS_INTERRUPT_SERVER_SERVICE_NAME) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_NAME);
 390                 snprintf(g_service_object, strlen(TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH);
 391                 snprintf(g_service_interface, strlen(TTS_INTERRUPT_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_INTERFACE);
 392         } else {
 393                 g_service_name = (char*)calloc(strlen(TTS_SERVER_SERVICE_NAME) + 1, sizeof(char));
 394                 g_service_object = (char*)calloc(strlen(TTS_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 395                 g_service_interface = (char*)calloc(strlen(TTS_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 396
 397                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 398                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 399                         __ttsd_dbus_service_free();
 400                         __ttsd_dbus_connection_free();
 401                         return -1;
 402                 }
 403
 404                 snprintf(g_service_name, strlen(TTS_SERVER_SERVICE_NAME) + 1, "%s", TTS_SERVER_SERVICE_NAME);
 405                 snprintf(g_service_object, strlen(TTS_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_SERVER_SERVICE_OBJECT_PATH);
 406                 snprintf(g_service_interface, strlen(TTS_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_SERVER_SERVICE_INTERFACE);
 407         }
 408
 409         /* request our name on the bus and check for errors */
 410         ret = dbus_bus_request_name(g_conn_listener, g_service_name, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
 411         if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
 412                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to be primary owner");
 413                 __ttsd_dbus_connection_free();
 414                 return -1;
 415         }
 416
 417         if (dbus_error_is_set(&err)) {
 418                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to request dbus name : %s", err.message);
 419                 dbus_error_free(&err);
 420                 __ttsd_dbus_connection_free();
 421                 return -1;
 422         }
 423
 424         /* Flush messages which are received before fd event handler registration */
 425         while (DBUS_DISPATCH_DATA_REMAINS == dbus_connection_get_dispatch_status(g_conn_listener)) {
 426                 listener_event_callback(NULL, NULL);
 427         }
 428
 429         /* add a rule for getting signal */
 430         char rule[128];
 431         snprintf(rule, 128, "type='method_call',interface='%s'", g_service_interface);
 432
 433         /* add a rule for which messages we want to see */
 434         dbus_bus_add_match(g_conn_listener, rule, &err);/* see signals from the given interface */
 435         dbus_connection_flush(g_conn_listener);
 436
 437         if (dbus_error_is_set(&err)) {
 438                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
 439                 __ttsd_dbus_connection_free();
 440                 return -1;
 441         }
 442
 443         int fd = 0;
 444         dbus_connection_get_unix_fd(g_conn_listener, &fd);
 445
 446         g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
 447         if (NULL == g_dbus_fd_handler) {
 448                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get fd handler");
 449                 __ttsd_dbus_connection_free();
 450                 return -1;
 451         }
 452
 453         SLOG(LOG_DEBUG, tts_tag(), "@@@");
 454         return 0;
 455 }
 456
 457 int ttsd_dbus_close_connection()
 458 {
 459         SLOG(LOG_DEBUG, tts_tag(), "@@@ start dbus close connection");
 460         DBusError err;
 461         dbus_error_init(&err);
 462
 463         if (NULL != g_dbus_fd_handler) {
 464                 ecore_main_fd_handler_del(g_dbus_fd_handler);
 465                 g_dbus_fd_handler = NULL;
 466         }
 467
 468         if (NULL != g_conn_listener) {
 469                 dbus_bus_release_name(g_conn_listener, g_service_name, &err);
 470                 if (dbus_error_is_set(&err)) {
 471                         SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
 472                         dbus_error_free(&err);
 473                 }
 474         }
 475
 476         __ttsd_dbus_connection_free();
 477         __ttsd_dbus_service_free();
 478
 479         SLOG(LOG_DEBUG, tts_tag(), "@@@");
 480
 481         return 0;
 482 }