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)
  60 {
  61 #if 0
  62         if (NULL == g_conn_sender) {
  63                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
  64                 return -1;
  65         }
  66
  67         char service_name[64];
  68         memset(service_name, 0, 64);
  69         snprintf(service_name, 64, "%s%d", TTS_CLIENT_SERVICE_NAME, pid);
  70
  71         char target_if_name[64];
  72         snprintf(target_if_name, sizeof(target_if_name), "%s%d", TTS_CLIENT_SERVICE_INTERFACE, pid);
  73
  74         DBusMessage* msg;
  75
  76         /* create a message & check for errors */
  77         msg = dbus_message_new_method_call(
  78                 service_name,
  79                 TTS_CLIENT_SERVICE_OBJECT_PATH,
  80                 target_if_name,
  81                 TTSD_METHOD_HELLO);
  82
  83         if (NULL == msg) {
  84                 SLOG(LOG_ERROR, tts_tag(), "<<<< [Dbus ERROR] Fail to create hello message : uid(%d)", uid);
  85                 return -1;
  86         } else {
  87                 SLOG(LOG_DEBUG, tts_tag(), "<<<< [Dbus] Send hello message : uid(%d)", uid);
  88         }
  89
  90         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
  91
  92         DBusError err;
  93         dbus_error_init(&err);
  94
  95         DBusMessage* result_msg;
  96         int result = -1;
  97
  98         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
  99         dbus_message_unref(msg);
 100         if (dbus_error_is_set(&err)) {
 101                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Send error (%s)", err.message);
 102                 dbus_error_free(&err);
 103         }
 104
 105         if (NULL != result_msg) {
 106                 dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
 107
 108                 if (dbus_error_is_set(&err)) {
 109                         SLOG(LOG_ERROR, tts_tag(), ">>>> [Dbus] Get arguments error (%s)", err.message);
 110                         dbus_error_free(&err);
 111                         result = -1;
 112                 }
 113
 114                 dbus_message_unref(result_msg);
 115         } else {
 116                 SLOG(LOG_DEBUG, tts_tag(), ">>>> [Dbus] Result message is NULL. Client is not available");
 117                 result = 0;
 118         }
 119
 120         return result;
 121 #endif
 122         return 0;
 123 }
 124
 125 int ttsdc_send_message(int pid, int uid, int data, const char *method)
 126 {
 127         if (NULL == g_conn_sender) {
 128                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
 129                 return -1;
 130         }
 131
 132         DBusMessage* msg = NULL;
 133
 134         /* create a message */
 135         msg = dbus_message_new_signal(
 136                 TTS_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
 137                 TTS_CLIENT_SERVICE_INTERFACE,   /* interface name of the signal */
 138                 method);                        /* name of the signal */
 139
 140         if (NULL == msg) {
 141                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to create message : %s", method);
 142                 return -1;
 143         } else {
 144                 SLOG(LOG_DEBUG, tts_tag(), "[Dbus] Send %s message : uid(%d) data(%d)", method, uid, data);
 145         }
 146
 147         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &data, DBUS_TYPE_INVALID);
 148
 149         if (1 != dbus_connection_send(g_conn_sender, msg, NULL)) {
 150                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to Send");
 151                 return -1;
 152         } else {
 153                 SLOG(LOG_DEBUG, tts_tag(), "[Dbus] SUCCESS Send");
 154                 dbus_connection_flush(g_conn_sender);
 155         }
 156
 157         dbus_message_unref(msg);
 158
 159         return 0;
 160 }
 161
 162 int ttsdc_send_utt_start_message(int pid, int uid, int uttid)
 163 {
 164         return ttsdc_send_message(pid, uid, uttid, TTSD_METHOD_UTTERANCE_STARTED);
 165 }
 166
 167 int ttsdc_send_utt_finish_message(int pid, int uid, int uttid)
 168 {
 169         return ttsdc_send_message(pid, uid, uttid, TTSD_METHOD_UTTERANCE_COMPLETED);
 170 }
 171
 172 int ttsdc_send_set_state_message(int pid, int uid, int state)
 173 {
 174         return ttsdc_send_message(pid, uid, state, TTSD_METHOD_SET_STATE);
 175 }
 176
 177 int ttsdc_send_error_message(int pid, int uid, int uttid, int reason, char* err_msg)
 178 {
 179         if (NULL == g_conn_sender) {
 180                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Dbus connection is not available");
 181                 return -1;
 182         }
 183
 184         DBusMessage* msg = NULL;
 185
 186         /* create a message */
 187         msg = dbus_message_new_signal(
 188                 TTS_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
 189                 TTS_CLIENT_SERVICE_INTERFACE,   /* interface name of the signal */
 190                 TTSD_METHOD_ERROR);             /* name of the signal */
 191
 192         if (NULL == msg) {
 193                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to create error message : uid(%d)", uid);
 194                 return -1;
 195         }
 196
 197         dbus_message_append_args(msg,
 198                 DBUS_TYPE_INT32, &uid,
 199                 DBUS_TYPE_INT32, &uttid,
 200                 DBUS_TYPE_INT32, &reason,
 201                 DBUS_TYPE_STRING, &err_msg,
 202                 DBUS_TYPE_INVALID);
 203
 204         dbus_message_set_no_reply(msg, TRUE);
 205
 206         if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
 207                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] <<<< error message : Out Of Memory !");
 208         } else {
 209                 SLOG(LOG_DEBUG, tts_tag(), "<<<< Send error message : uid(%d), reason(%s), uttid(%d), err_msg(%s)",
 210                          uid, __ttsd_get_error_code(reason), uttid, (NULL == err_msg) ? "NULL" : err_msg);
 211                 dbus_connection_flush(g_conn_sender);
 212         }
 213
 214         dbus_message_unref(msg);
 215
 216         return 0;
 217 }
 218
 219 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 220 {
 221         if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 222
 223         dbus_connection_read_write_dispatch(g_conn_listener, 50);
 224
 225         while (1) {
 226                 DBusMessage* msg = NULL;
 227                 msg = dbus_connection_pop_message(g_conn_listener);
 228
 229                 if (true != dbus_connection_get_is_connected(g_conn_listener)) {
 230                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Connection is disconnected");
 231                         return ECORE_CALLBACK_RENEW;
 232                 }
 233
 234                 /* loop again if we haven't read a message */
 235                 if (NULL == msg) {
 236                         return ECORE_CALLBACK_RENEW;
 237                 }
 238
 239                 /* client event */
 240                 if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_HELLO)) {
 241                         ttsd_dbus_server_hello(g_conn_listener, msg);
 242
 243                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_INITIALIZE)) {
 244                         ttsd_dbus_server_initialize(g_conn_listener, msg);
 245
 246                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_FINALIZE)) {
 247                         ttsd_dbus_server_finalize(g_conn_listener, msg);
 248
 249                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_SUPPORT_VOICES)) {
 250                         ttsd_dbus_server_get_support_voices(g_conn_listener, msg);
 251
 252                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_CURRENT_VOICE)) {
 253                         ttsd_dbus_server_get_current_voice(g_conn_listener, msg);
 254
 255                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_ADD_QUEUE)) {
 256                         ttsd_dbus_server_add_text(g_conn_listener, msg);
 257
 258                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PLAY)) {
 259                         ttsd_dbus_server_play(g_conn_listener, msg);
 260
 261                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_STOP)) {
 262                         ttsd_dbus_server_stop(g_conn_listener, msg);
 263
 264                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PAUSE)) {
 265                         ttsd_dbus_server_pause(g_conn_listener, msg);
 266
 267                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_SET_PRIVATE_DATA)) {
 268                         ttsd_dbus_server_set_private_data(g_conn_listener, msg);
 269
 270                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_GET_PRIVATE_DATA)) {
 271                         ttsd_dbus_server_get_private_data(g_conn_listener, msg);
 272
 273                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_PLAY_PCM)) {
 274                         ttsd_dbus_server_play_pcm(g_conn_listener, msg);
 275
 276                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_STOP_PCM)) {
 277                         ttsd_dbus_server_stop_pcm(g_conn_listener, msg);
 278
 279                 } else if (dbus_message_is_method_call(msg, g_service_interface, TTS_METHOD_ADD_PCM)) {
 280                         ttsd_dbus_server_add_pcm(g_conn_listener, msg);
 281
 282                 } else {
 283                         SLOG(LOG_DEBUG, tts_tag(), "Message is NOT valid");
 284                         /* Invalid method */
 285                 }
 286                 /* free the message */
 287                 dbus_message_unref(msg);
 288         }
 289
 290         return ECORE_CALLBACK_RENEW;
 291 }
 292
 293 void __ttsd_dbus_service_free()
 294 {
 295         if (NULL != g_service_name) {
 296                 free(g_service_name);
 297                 g_service_name = NULL;
 298         }
 299
 300         if (NULL != g_service_object) {
 301                 free(g_service_object);
 302                 g_service_object = NULL;
 303         }
 304
 305         if (NULL != g_service_interface) {
 306                 free(g_service_interface);
 307                 g_service_interface = NULL;
 308         }
 309 }
 310
 311 void __ttsd_dbus_connection_free()
 312 {
 313         if (NULL != g_conn_listener) {
 314                 dbus_connection_close(g_conn_listener);
 315                 dbus_connection_unref(g_conn_listener);
 316                 g_conn_listener = NULL;
 317         }
 318         if (NULL != g_conn_sender) {
 319                 dbus_connection_close(g_conn_sender);
 320                 dbus_connection_unref(g_conn_sender);
 321                 g_conn_sender = NULL;
 322         }
 323 }
 324
 325 int ttsd_dbus_open_connection()
 326 {
 327         SLOG(LOG_DEBUG, tts_tag(), "@@@ start dbus open connection");
 328         DBusError err;
 329         dbus_error_init(&err);
 330
 331         int ret;
 332
 333         /* Create connection for sender */
 334         g_conn_sender = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
 335         if (dbus_error_is_set(&err)) {
 336                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
 337                 dbus_error_free(&err);
 338         }
 339
 340         if (NULL == g_conn_sender) {
 341                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get dbus connection sender");
 342                 return -1;
 343         }
 344
 345         dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
 346
 347         /* connect to the bus and check for errors */
 348         g_conn_listener = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
 349         if (dbus_error_is_set(&err)) {
 350                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
 351                 dbus_error_free(&err);
 352                 __ttsd_dbus_connection_free();
 353                 return -1;
 354         }
 355
 356         if (NULL == g_conn_listener) {
 357                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get dbus connection");
 358                 __ttsd_dbus_connection_free();
 359                 return -1;
 360         }
 361
 362         dbus_connection_set_exit_on_disconnect(g_conn_listener, false);
 363
 364         __ttsd_dbus_service_free();
 365
 366         if (TTSD_MODE_SCREEN_READER == ttsd_get_mode()) {
 367                 g_service_name = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_NAME) + 1, sizeof(char));
 368                 g_service_object = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 369                 g_service_interface = (char*)calloc(strlen(TTS_SR_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 370
 371                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 372                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 373                         __ttsd_dbus_service_free();
 374                         __ttsd_dbus_connection_free();
 375                         return -1;
 376                 }
 377
 378                 snprintf(g_service_name, strlen(TTS_SR_SERVER_SERVICE_NAME) + 1, "%s", TTS_SR_SERVER_SERVICE_NAME);
 379                 snprintf(g_service_object, strlen(TTS_SR_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_SR_SERVER_SERVICE_OBJECT_PATH);
 380                 snprintf(g_service_interface, strlen(TTS_SR_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_SR_SERVER_SERVICE_INTERFACE);
 381         } else if (TTSD_MODE_NOTIFICATION == ttsd_get_mode()) {
 382                 g_service_name = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_NAME) + 1, sizeof(char));
 383                 g_service_object = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 384                 g_service_interface = (char*)calloc(strlen(TTS_NOTI_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 385
 386                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 387                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 388                         __ttsd_dbus_service_free();
 389                         __ttsd_dbus_connection_free();
 390                         return -1;
 391                 }
 392
 393                 snprintf(g_service_name, strlen(TTS_NOTI_SERVER_SERVICE_NAME) + 1, "%s", TTS_NOTI_SERVER_SERVICE_NAME);
 394                 snprintf(g_service_object, strlen(TTS_NOTI_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_NOTI_SERVER_SERVICE_OBJECT_PATH);
 395                 snprintf(g_service_interface, strlen(TTS_NOTI_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_NOTI_SERVER_SERVICE_INTERFACE);
 396         } else if (TTSD_MODE_INTERRUPT == ttsd_get_mode()) {
 397                 g_service_name = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_NAME) + 1, sizeof(char));
 398                 g_service_object = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 399                 g_service_interface = (char*)calloc(strlen(TTS_INTERRUPT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 400
 401                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 402                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 403                         __ttsd_dbus_service_free();
 404                         __ttsd_dbus_connection_free();
 405                         return -1;
 406                 }
 407
 408                 snprintf(g_service_name, strlen(TTS_INTERRUPT_SERVER_SERVICE_NAME) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_NAME);
 409                 snprintf(g_service_object, strlen(TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_OBJECT_PATH);
 410                 snprintf(g_service_interface, strlen(TTS_INTERRUPT_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_INTERRUPT_SERVER_SERVICE_INTERFACE);
 411         } else {
 412                 g_service_name = (char*)calloc(strlen(TTS_SERVER_SERVICE_NAME) + 1, sizeof(char));
 413                 g_service_object = (char*)calloc(strlen(TTS_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
 414                 g_service_interface = (char*)calloc(strlen(TTS_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
 415
 416                 if (NULL == g_service_name || NULL == g_service_object || NULL == g_service_interface) {
 417                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 418                         __ttsd_dbus_service_free();
 419                         __ttsd_dbus_connection_free();
 420                         return -1;
 421                 }
 422
 423                 snprintf(g_service_name, strlen(TTS_SERVER_SERVICE_NAME) + 1, "%s", TTS_SERVER_SERVICE_NAME);
 424                 snprintf(g_service_object, strlen(TTS_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", TTS_SERVER_SERVICE_OBJECT_PATH);
 425                 snprintf(g_service_interface, strlen(TTS_SERVER_SERVICE_INTERFACE) + 1, "%s", TTS_SERVER_SERVICE_INTERFACE);
 426         }
 427
 428         /* request our name on the bus and check for errors */
 429         ret = dbus_bus_request_name(g_conn_listener, g_service_name, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
 430         if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
 431                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to be primary owner");
 432                 __ttsd_dbus_connection_free();
 433                 return -1;
 434         }
 435
 436         if (dbus_error_is_set(&err)) {
 437                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to request dbus name : %s", err.message);
 438                 dbus_error_free(&err);
 439                 __ttsd_dbus_connection_free();
 440                 return -1;
 441         }
 442
 443         /* Flush messages which are received before fd event handler registration */
 444         while (DBUS_DISPATCH_DATA_REMAINS == dbus_connection_get_dispatch_status(g_conn_listener)) {
 445                 listener_event_callback(NULL, NULL);
 446         }
 447
 448         /* add a rule for getting signal */
 449         char rule[128];
 450         snprintf(rule, 128, "type='method_call',interface='%s'", g_service_interface);
 451
 452         /* add a rule for which messages we want to see */
 453         dbus_bus_add_match(g_conn_listener, rule, &err);/* see signals from the given interface */
 454         dbus_connection_flush(g_conn_listener);
 455
 456         if (dbus_error_is_set(&err)) {
 457                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
 458                 __ttsd_dbus_connection_free();
 459                 return -1;
 460         }
 461
 462         int fd = 0;
 463         dbus_connection_get_unix_fd(g_conn_listener, &fd);
 464
 465         g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
 466         if (NULL == g_dbus_fd_handler) {
 467                 SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] Fail to get fd handler");
 468                 __ttsd_dbus_connection_free();
 469                 return -1;
 470         }
 471
 472         SLOG(LOG_DEBUG, tts_tag(), "@@@");
 473         return 0;
 474 }
 475
 476 int ttsd_dbus_close_connection()
 477 {
 478         SLOG(LOG_DEBUG, tts_tag(), "@@@ start dbus close connection");
 479         DBusError err;
 480         dbus_error_init(&err);
 481
 482         if (NULL != g_dbus_fd_handler) {
 483                 ecore_main_fd_handler_del(g_dbus_fd_handler);
 484                 g_dbus_fd_handler = NULL;
 485         }
 486
 487         if (NULL != g_conn_listener) {
 488                 dbus_bus_release_name(g_conn_listener, g_service_name, &err);
 489                 if (dbus_error_is_set(&err)) {
 490                         SLOG(LOG_ERROR, tts_tag(), "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
 491                         dbus_error_free(&err);
 492                 }
 493         }
 494
 495         __ttsd_dbus_connection_free();
 496         __ttsd_dbus_service_free();
 497
 498         SLOG(LOG_DEBUG, tts_tag(), "@@@");
 499
 500         return 0;
 501 }