Fix dbus delay when requesting hello
[platform/core/uifw/stt.git] / server / sttd_dbus.c
old mode 100755 (executable)
new mode 100644 (file)
index 206246d..c234977
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd All Rights Reserved 
+* Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 #include "sttd_client_data.h"
 #include "sttd_dbus_server.h"
 #include "stt_defs.h"
+#include <aul.h>
+#include <vconf.h>
+#include <buxton2.h>
+
+static DBusConnection* g_conn_sender = NULL;
+static DBusConnection* g_conn_listener = NULL;
+static DBusConnection* g_conn_custom = NULL;
+
+static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
 
-static DBusConnection* g_conn;
 static int g_waiting_time = 3000;
 
+static int g_internal_result_id = 0;
+
+static char* g_server_service_name = NULL;
+static char* g_server_service_object = NULL;
+static char* g_server_service_interface = NULL;
+
+void __sttd_dbus_service_free();
+
 int sttdc_send_hello(int uid)
 {
        int pid = sttd_client_get_pid(uid);
-
        if (0 > pid) {
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
-               return -1;
+               return STTD_ERROR_INVALID_PARAMETER;
        }
 
        char service_name[64];
@@ -40,51 +55,59 @@ int sttdc_send_hello(int uid)
        char target_if_name[128];
        snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
 
-       DBusMessage* msg;
+       DBusMessage* msg = NULL;
 
        SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send hello message : uid(%d)", uid);
 
        msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
+               service_name,
+               STT_CLIENT_SERVICE_OBJECT_PATH,
+               target_if_name,
                STTD_METHOD_HELLO);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
-               return -1;
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
+               return STTD_ERROR_OUT_OF_MEMORY;
        }
 
        dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
 
        DBusError err;
        dbus_error_init(&err);
-
-       DBusMessage* result_msg;
        int result = -1;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, g_waiting_time, &err);
+       DBusMessage* result_msg = NULL;
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
        dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Send error (%s)", err.message);
+               if (NULL != err.name) {
+                       if (!strcmp(err.name, DBUS_ERROR_SERVICE_UNKNOWN)) {
+                               SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Unknown service. Client is not available");
+                               dbus_error_free(&err);
+                               return 0;
+                       }
+               }
+               dbus_error_free(&err);
+       }
 
        if (NULL != result_msg) {
                dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-                       result = -1;
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                }
 
                dbus_message_unref(result_msg);
        } else {
                SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
-               result = 0;
        }
 
        return result;
 }
 
-int sttdc_send_get_state(int uid, int* state)
+int sttdc_send_set_volume(int uid, float volume)
 {
        int pid = sttd_client_get_pid(uid);
 
@@ -102,58 +125,85 @@ int sttdc_send_get_state(int uid, int* state)
 
        DBusMessage* msg;
 
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send get state message : uid(%d)", uid);
+       /* SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send set volume : uid(%d), volume(%f) volume size(%d)", uid, volume, sizeof(float)); */
 
-       msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
-               STTD_METHOD_GET_STATE);
+       msg = dbus_message_new_signal(
+               STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
+               target_if_name,                 /* interface name of the signal */
+               STTD_METHOD_SET_VOLUME);        /* name of the signal */
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
                return -1;
        }
 
-       dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
-
-       DBusError err;
-       dbus_error_init(&err);
+       dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_INT32, &volume,
+               DBUS_TYPE_INVALID);
 
-       DBusMessage* result_msg;
-       int tmp = -1;
-       int result = 0;
+       if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
+       } else {
+               SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send set volume : uid(%d), volume(%f)", uid, volume);
+               dbus_connection_flush(g_conn_sender);
+       }
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, g_waiting_time, &err);
        dbus_message_unref(msg);
 
-       if (NULL != result_msg) {
-               dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &tmp, DBUS_TYPE_INVALID);
+       return 0;
+}
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-                       result = -1;
-               } else {
-                       *state = tmp;
-                       result = 0;
-               }
+int sttdc_send_set_state(int uid, int state)
+{
+       int pid = sttd_client_get_pid(uid);
 
-               dbus_message_unref(result_msg);
+       if (0 > pid) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
+               return -1;
+       }
+
+       char service_name[64];
+       memset(service_name, 0, 64);
+       snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
+
+       char target_if_name[128];
+       snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
+
+       DBusMessage* msg = NULL;
+       msg = dbus_message_new_signal(
+               STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
+               target_if_name,                 /* interface name of the signal */
+               STTD_METHOD_SET_STATE);         /* name of the signal */
+
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
+               return -1;
+       }
+
+       dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_INT32, &state,
+               DBUS_TYPE_INVALID);
+
+       if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send change state message : Out Of Memory !");
        } else {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
-               result = -1;
+               SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send change state message : uid(%d), state(%d)", uid, state);
+               dbus_connection_flush(g_conn_sender);
        }
-       
-       return result;
+
+       dbus_message_unref(msg);
+
+       return 0;
 }
 
-int sttdc_send_result(int uid, const char* type, const char** data, int data_count, const char* result_msg)
+int sttdc_send_speech_status(int uid, int status)
 {
        int pid = sttd_client_get_pid(uid);
 
        if (0 > pid) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid" );
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
                return -1;
        }
 
@@ -164,21 +214,64 @@ int sttdc_send_result(int uid, const char* type, const char** data, int data_cou
        char target_if_name[128];
        snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
 
-       DBusMessage* msg;
-       
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), type(%s), result count(%d)", uid, type, data_count);
-
-       msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
-               STTD_METHOD_RESULT);
+       DBusMessage* msg = NULL;
+       msg = dbus_message_new_signal(
+               STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
+               target_if_name,                 /* interface name of the signal */
+               STTD_METHOD_SPEECH_STATUS);     /* name of the signal */
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
                return -1;
        }
 
+       dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_INT32, &status,
+               DBUS_TYPE_INVALID);
+
+       if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send speech status message : Out Of Memory !");
+       } else {
+               SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send speech status message : uid(%d), status(%d)", uid, status);
+               dbus_connection_flush(g_conn_sender);
+       }
+
+       dbus_message_unref(msg);
+
+       return 0;
+}
+
+int sttdc_send_result(int uid, int event, const char** data, int data_count, const char* result_msg)
+{
+       int pid = sttd_client_get_pid(uid);
+       if (0 > pid) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
+               return STTD_ERROR_INVALID_PARAMETER;
+       }
+
+       char service_name[64];
+       memset(service_name, 0, 64);
+       snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
+
+       char target_if_name[128];
+       memset(target_if_name, 0, 128);
+       snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
+
+       DBusMessage* msg = NULL;
+       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), event(%d), result count(%d) result id(%d)",
+               uid, event, data_count, g_internal_result_id);
+
+       msg = dbus_message_new_signal(
+               STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
+               target_if_name,                 /* interface name of the signal */
+               STTD_METHOD_RESULT);            /* name of the signal */
+
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
+               return STTD_ERROR_OUT_OF_MEMORY;
+       }
+
        DBusMessageIter args;
        dbus_message_iter_init_append(msg, &args);
 
@@ -186,83 +279,81 @@ int sttdc_send_result(int uid, const char* type, const char** data, int data_cou
        dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &uid);
 
        char* msg_temp;
-       if (NULL == type) {
-               msg_temp = strdup("None");
-               dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(msg_temp));
-               SLOG(LOG_WARN, TAG_STTD, "[Dbus] result type is NULL"); 
-               free(msg_temp);
-       } else {
-               dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(type));
-               SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result type(%s)", type ); 
-       }       
+       dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &event);
 
        /* Append result msg */
        if (NULL == result_msg) {
                msg_temp = strdup("None");
                dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &msg_temp);
-               SLOG(LOG_WARN, TAG_STTD, "[Dbus] result message is NULL"); 
+               SLOG(LOG_WARN, TAG_STTD, "[Dbus] result message is NULL");
                free(msg_temp);
        } else {
-               SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result message(%s)", result_msg ); 
+               SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result message(%s)", result_msg);
                dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(result_msg));
        }
-       
+
        /* Append result size */
        if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(data_count))) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result size"); 
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result size");
+               dbus_message_unref(msg);
                return -1;
        }
 
-       int i;
+       if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(g_internal_result_id))) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append internal result id");
+               dbus_message_unref(msg);
+               return -1;
+       }
+
+       g_internal_result_id++;
+
+       if (10000 == g_internal_result_id) {
+               g_internal_result_id = 1;
+       }
 
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result size (%d)", data_count); 
-       for (i=0 ; i<data_count ; i++) {
+       int i;
+       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result size (%d)", data_count);
+       for (i = 0; i < data_count; i++) {
                if (NULL != data[i]) {
-                       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result (%d, %s)", i, data[i] ); 
+                       SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result (%d, %s)", i, data[i]);
 
                        if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &data[i])) {
                                SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result data");
-                               return -1;
+                               dbus_message_unref(msg);
+                               return STTD_ERROR_OPERATION_FAILED;
                        }
                } else {
                        int reason = (int)STTD_ERROR_OPERATION_FAILED;
 
                        if (0 != sttdc_send_error_signal(uid, reason, "Fail to get recognition result from engine")) {
-                               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send error info. Remove client data"); 
+                               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send error info. Remove client data");
 
                                /* clean client data */
                                sttd_client_delete(uid);
                        }
 
-                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Result from engine is NULL(%d) %s", i); 
-
-                       return -1;
+                       dbus_message_unref(msg);
+                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Result from engine is NULL(%d)", i);
+                       return STTD_ERROR_OPERATION_FAILED;
                }
        }
-       
-       if (!dbus_connection_send(g_conn, msg, NULL)) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !"); 
-               return -1;
+
+       if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
        }
 
-       dbus_connection_flush(g_conn);
+       dbus_connection_flush(g_conn_sender);
        dbus_message_unref(msg);
 
        return 0;
 }
 
-int sttdc_send_partial_result(int uid, const char* data)
+int sttdc_send_error_signal(int uid, int reason, const char *err_msg)
 {
        int pid = sttd_client_get_pid(uid);
-
        if (0 > pid) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid" );
-               return -1;
-       }
-
-       if (NULL == data) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Input data is NULL" );
-               return -1;
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
+               return STTD_ERROR_INVALID_PARAMETER;
        }
 
        char service_name[64];
@@ -272,270 +363,333 @@ int sttdc_send_partial_result(int uid, const char* data)
        char target_if_name[128];
        snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
 
-       DBusMessage* msg;
-
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), result(%s)", uid, data);
-       msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
-               STTD_METHOD_PARTIAL_RESULT);
+       DBusMessage* msg = NULL;
+       msg = dbus_message_new_signal(
+               STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
+               target_if_name,                 /* interface name of the signal */
+               STTD_METHOD_ERROR);             /* name of the signal */
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
-               return -1;
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
+               return STTD_ERROR_OUT_OF_MEMORY;
        }
 
-       DBusMessageIter args;
-       dbus_message_iter_init_append(msg, &args);
-
-       /* Append uid & type */
-       dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &uid);
-
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Partial result (%s)", data ); 
+       dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_INT32, &reason,
+               DBUS_TYPE_STRING, &err_msg,
+               DBUS_TYPE_INVALID);
 
-       if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, data)) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result data");
-               return -1;
-       }
-       
-       if (!dbus_connection_send(g_conn, msg, NULL)) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !"); 
-               return -1;
+       if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] <<<< error message : Out Of Memory !");
+       } else {
+               SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), reason(%d), err_msg(%s)", uid, reason, (NULL == err_msg) ? "NULL" : err_msg);
+               dbus_connection_flush(g_conn_sender);
        }
 
-       dbus_connection_flush(g_conn);
        dbus_message_unref(msg);
 
        return 0;
 }
 
-int sttdc_send_error_signal(int uid, int reason, char *err_msg)
+static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 {
-       if (NULL == err_msg) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Input parameter is NULL"); 
-               return STTD_ERROR_INVALID_PARAMETER;
-       }
-
-       int pid = sttd_client_get_pid(uid);
-
-       if (0 > pid) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid" );
-               return -1;
-       }
-
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
+       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] listener_event_callback is called!!!");
 
-       char target_if_name[128];
-       snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
+       if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 
-       DBusMessage* msg;
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send error signal : reason(%d), Error Msg(%s)", reason, err_msg);
+       dbus_connection_read_write_dispatch(g_conn_listener, 50);
 
-       msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
-               STTD_METHOD_ERROR);
+       DBusMessage* msg = NULL;
+       msg = dbus_connection_pop_message(g_conn_listener);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
-               return -1;
+       if (true != dbus_connection_get_is_connected(g_conn_listener)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Connection is disconnected");
+               return ECORE_CALLBACK_RENEW;
        }
 
-       dbus_message_append_args(msg, 
-               DBUS_TYPE_INT32, &uid, 
-               DBUS_TYPE_INT32, &reason, 
-               DBUS_TYPE_STRING, &err_msg,
-               DBUS_TYPE_INVALID);
-       
-       DBusError err;
-       dbus_error_init(&err);
-
-       DBusMessage* result_msg;
-
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, g_waiting_time, &err);
-       dbus_message_unref(msg);
-
-       if (NULL != result_msg) {
-               dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Result message is NULL.");
+       /* loop again if we haven't read a message */
+       if (NULL == msg) {
+               return ECORE_CALLBACK_RENEW;
        }
 
-       return 0;
-}
+       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus info] service name: %s, service object: %s, service interface: %s", (NULL == g_server_service_name) ? "NULL" : g_server_service_name,
+                       (NULL == g_server_service_object) ? "NULL" : g_server_service_object, (NULL == g_server_service_interface) ? "NULL" : g_server_service_interface);
 
-int sttdc_send_set_state(int uid, int state)
-{
-       int pid = sttd_client_get_pid(uid);
-
-       if (0 > pid) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
-               return -1;
-       }
-
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
+       /* client event */
+       if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_HELLO))
+               sttd_dbus_server_hello(g_conn_listener, msg);
 
-       char target_if_name[128];
-       snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_INITIALIZE))
+               sttd_dbus_server_initialize(g_conn_listener, msg);
 
-       DBusMessage* msg;
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_FINALIZE))
+               sttd_dbus_server_finalize(g_conn_listener, msg);
 
-       SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send change state message : uid(%d), state(%d)", uid, state);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_CURRENT_ENGINE))
+               sttd_dbus_server_set_current_engine(g_conn_listener, msg);
 
-       msg = dbus_message_new_method_call(
-               service_name, 
-               STT_CLIENT_SERVICE_OBJECT_PATH, 
-               target_if_name, 
-               STTD_METHOD_SET_STATE);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_CHECK_APP_AGREED))
+               sttd_dbus_server_check_app_agreed(g_conn_listener, msg);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message"); 
-               return -1;
-       }
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_SUPPORT_LANGS))
+               sttd_dbus_server_get_support_lang(g_conn_listener, msg);
 
-       dbus_message_append_args(msg, 
-               DBUS_TYPE_INT32, &uid, 
-               DBUS_TYPE_INT32, &state, 
-               DBUS_TYPE_INVALID);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_CURRENT_LANG))
+               sttd_dbus_server_get_default_lang(g_conn_listener, msg);
 
-       DBusError err;
-       dbus_error_init(&err);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_PRIVATE_DATA))
+               sttd_dbus_server_set_private_data(g_conn_listener, msg);
 
-       DBusMessage* result_msg;
-       int result = -1;
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_PRIVATE_DATA))
+               sttd_dbus_server_get_private_data(g_conn_listener, msg);
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, g_waiting_time, &err);
-       dbus_message_unref(msg);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_IS_TYPE_SUPPORTED))
+               sttd_dbus_server_is_recognition_type_supported(g_conn_listener, msg);
 
-       if (NULL != result_msg) {
-               dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-                       result = -1;
-               }
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_START_SOUND))
+               sttd_dbus_server_set_start_sound(g_conn_listener, msg);
 
-               dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
-       }
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_UNSET_START_SOUND))
+               sttd_dbus_server_unset_start_sound(g_conn_listener, msg);
 
-       return result;
-}
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_STOP_SOUND))
+               sttd_dbus_server_set_stop_sound(g_conn_listener, msg);
 
-static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
-{
-       DBusConnection* conn = (DBusConnection*)data;
-       DBusMessage* msg = NULL;
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_UNSET_STOP_SOUND))
+               sttd_dbus_server_unset_stop_sound(g_conn_listener, msg);
 
-       if (NULL == conn)
-               return ECORE_CALLBACK_RENEW;
 
-       dbus_connection_read_write_dispatch(conn, 50);
-       
-       msg = dbus_connection_pop_message(conn);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_START))
+               sttd_dbus_server_start(g_conn_listener, msg);
 
-       /* loop again if we haven't read a message */
-       if (NULL == msg || NULL == conn) { 
-               return ECORE_CALLBACK_RENEW;
-       }
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_STOP))
+               sttd_dbus_server_stop(g_conn_listener, msg);
 
-       /* client event */
-       if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_HELLO))
-               sttd_dbus_server_hello(conn, msg);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_CANCEL))
+               sttd_dbus_server_cancel(g_conn_listener, msg);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_INITIALIZE))
-               sttd_dbus_server_initialize(conn, msg);
-       
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_FINALIZE))
-               sttd_dbus_server_finalize(conn, msg);
-       
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_SUPPORT_LANGS))
-               sttd_dbus_server_get_support_lang(conn, msg);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_START_FILE))
+               sttd_dbus_server_start_file(g_conn_listener, msg);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_CURRENT_LANG))
-               sttd_dbus_server_get_default_lang(conn, msg);
+       else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_CANCEL_FILE))
+               sttd_dbus_server_cancel_file(g_conn_listener, msg);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_IS_PARTIAL_SUPPORTED))
-               sttd_dbus_server_is_partial_result_supported(conn, msg);
+       /* free the message */
+       dbus_message_unref(msg);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_START)) 
-               sttd_dbus_server_start(conn, msg);
-       
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_STOP)) 
-               sttd_dbus_server_stop(conn, msg);
+       return ECORE_CALLBACK_RENEW;
+}
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_CANCEL)) 
-               sttd_dbus_server_cancel(conn, msg);
+void __sttd_dbus_service_free()
+{
+       if (NULL != g_server_service_name) {
+               free(g_server_service_name);
+               g_server_service_name = NULL;
+       }
 
+       if (NULL != g_server_service_object) {
+               free(g_server_service_object);
+               g_server_service_object = NULL;
+       }
 
-       /* setting event */
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_HELLO))
-               sttd_dbus_server_hello(conn, msg);
+       if (NULL != g_server_service_interface) {
+               free(g_server_service_interface);
+               g_server_service_interface = NULL;
+       }
+}
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_INITIALIZE))
-               sttd_dbus_server_setting_initialize(conn, msg);
+void __sttd_dbus_connection_free()
+{
+       if (NULL != g_conn_listener) {
+               dbus_connection_close(g_conn_listener);
+               dbus_connection_unref(g_conn_listener);
+               g_conn_listener = NULL;
+       }
+       if (NULL != g_conn_sender) {
+               dbus_connection_close(g_conn_sender);
+               dbus_connection_unref(g_conn_sender);
+               g_conn_sender = NULL;
+       }
+       if (NULL != g_conn_custom) {
+               dbus_connection_close(g_conn_custom);
+               dbus_connection_unref(g_conn_custom);
+               g_conn_custom = NULL;
+       }
+}
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_FINALIZE))
-               sttd_dbus_server_setting_finalize(conn, msg);
+int __sttd_get_buxtonkey()
+{
+       /* request our name on the bus and check for errors */
+       int pid = getpid();
+       char engine_appid[2048] = {0, };
+       const char* engine_default = NULL;
+
+       struct buxton_client * bux_cli;
+       struct buxton_layer * bux_layer;
+       struct buxton_value * bux_val;
+
+       int ret = buxton_open(&bux_cli, NULL, NULL);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+       bux_layer = buxton_create_layer("system");
+       if (NULL == bux_layer) {
+               SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] buxton_create_layer FAIL");
+               buxton_close(bux_cli);
+               bux_cli = NULL;
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+       bux_val = buxton_value_create_string("stt-engine-default");
+       if (NULL == bux_val) {
+               SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
+               buxton_free_layer(bux_layer);
+               buxton_close(bux_cli);
+               bux_layer = NULL;
+               bux_cli = NULL;
+               return STTD_ERROR_OPERATION_FAILED;
+       } else {
+               SLOG(LOG_DEBUG, TAG_STTD, "[DBUS-BUXTON2] layer: %s", buxton_layer_get_name(bux_layer));
+       }
+       ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
+               buxton_value_free(bux_val);
+               buxton_free_layer(bux_layer);
+               buxton_close(bux_cli);
+
+               bux_cli = NULL;
+               bux_layer = NULL;
+               bux_val = NULL;
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+       ret = buxton_value_get_string(bux_val, &engine_default);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to get value string, ret(%d)", ret);
+               buxton_value_free(bux_val);
+               buxton_free_layer(bux_layer);
+               buxton_close(bux_cli);
+
+               bux_cli = NULL;
+               bux_layer = NULL;
+               bux_val = NULL;
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+       SLOG(LOG_DEBUG, TAG_STTD, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
+
+       ret = aul_app_get_appid_bypid(pid, engine_appid, sizeof(engine_appid) - 1);
+
+       __sttd_dbus_service_free();
+
+       if (NULL == engine_default || 0 == strncmp(engine_appid, engine_default, strlen(engine_appid))) {
+               g_server_service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + 1, sizeof(char));
+               if (g_server_service_name)
+                       snprintf(g_server_service_name, strlen(STT_SERVER_SERVICE_NAME) + 1, "%s", STT_SERVER_SERVICE_NAME);
+               g_server_service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
+               if (g_server_service_object)
+                       snprintf(g_server_service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", STT_SERVER_SERVICE_OBJECT_PATH);
+               g_server_service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
+               if (g_server_service_interface)
+                       snprintf(g_server_service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + 1, "%s", STT_SERVER_SERVICE_INTERFACE);
+       } else {
+               g_server_service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_appid) - 8, sizeof(char));
+               if (g_server_service_name)
+                       snprintf(g_server_service_name, strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_NAME, ".", (engine_appid + 10));
+               g_server_service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_appid) - 8, sizeof(char));
+               if (g_server_service_object)
+                       snprintf(g_server_service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_OBJECT_PATH, "/", (engine_appid + 10));
+               g_server_service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_appid) - 8, sizeof(char));
+               if (g_server_service_interface)
+                       snprintf(g_server_service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_INTERFACE, ".", (engine_appid + 10));
+       }
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_ENGINE_LIST))
-               sttd_dbus_server_setting_get_engine_list(conn, msg);
+       if (NULL == g_server_service_name || NULL == g_server_service_object || NULL == g_server_service_interface) {
+               SLOG(LOG_ERROR, TAG_STTD, "[ERROR] dbus info invalid");
+               buxton_value_free(bux_val);
+               buxton_free_layer(bux_layer);
+               buxton_close(bux_cli);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_ENGINE))
-               sttd_dbus_server_setting_get_engine(conn, msg);
+               bux_cli = NULL;
+               bux_layer = NULL;
+               bux_val = NULL;
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_ENGINE))
-               sttd_dbus_server_setting_set_engine(conn, msg);
+               __sttd_dbus_service_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_LANG_LIST))
-               sttd_dbus_server_setting_get_language_list(conn, msg);
+       char* ret_char = strchr(g_server_service_interface, '-');
+       while (NULL != ret_char) {
+               ret_char[0] = '_';
+               ret_char = strchr(g_server_service_interface, '-');
+       }
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_DEFAULT_LANG))
-               sttd_dbus_server_setting_get_default_language(conn, msg);
+       SLOG(LOG_DEBUG, TAG_STTD, "[get_service_interface] service interface: %s", g_server_service_interface);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_DEFAULT_LANG))
-               sttd_dbus_server_setting_set_default_language(conn, msg);
+       buxton_value_free(bux_val);
+       buxton_free_layer(bux_layer);
+       buxton_close(bux_cli);
 
+       bux_cli = NULL;
+       bux_layer = NULL;
+       bux_val = NULL;
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_PROFANITY))
-               sttd_dbus_server_setting_get_profanity_filter(conn, msg);
+       SLOG(LOG_DEBUG, TAG_STTD, "[get_service_name] FINISH!! service name: %s", g_server_service_name);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_PROFANITY))
-               sttd_dbus_server_setting_set_profanity_filter(conn, msg);
+       return STTD_ERROR_NONE;
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_PUNCTUATION))
-               sttd_dbus_server_setting_get_punctuation_override(conn, msg);
+}
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_PUNCTUATION))
-               sttd_dbus_server_setting_set_punctuation_override(conn, msg);
+int __sttd_request_custom_dbus_name()
+{
+       DBusError err;
+       dbus_error_init(&err);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_SILENCE))
-               sttd_dbus_server_setting_get_silence_detection(conn, msg);
+       /* Create connection for sender */
+       g_conn_custom = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
+               dbus_error_free(&err);
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_SILENCE))
-               sttd_dbus_server_setting_set_silence_detection(conn, msg);
+       if (NULL == g_conn_custom) {
+               SLOG(LOG_ERROR, TAG_STTD, "[ERROR] fail to get dbus connection");
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
+       dbus_connection_set_exit_on_disconnect(g_conn_custom, false);
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_GET_ENGINE_SETTING))
-               sttd_dbus_server_setting_get_engine_setting(conn, msg);
+       int ret = dbus_bus_request_name(g_conn_custom, STT_SERVER_CUSTOM_SERVICE_NAME, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
+       if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
-       else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_SETTING_METHOD_SET_ENGINE_SETTING))
-               sttd_dbus_server_setting_set_engine_setting(conn, msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
+               dbus_error_free(&err);
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
+       dbus_bus_release_name(g_conn_custom, STT_SERVER_CUSTOM_SERVICE_NAME, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
+               dbus_error_free(&err);
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
 
-       /* free the message */
-       dbus_message_unref(msg);
+       dbus_connection_close(g_conn_custom);
+       dbus_connection_unref(g_conn_custom);
+       g_conn_custom = NULL;
 
-       return ECORE_CALLBACK_RENEW;
+       SLOG(LOG_DEBUG, TAG_STTD, "==");
+       return 0;
 }
 
 int sttd_dbus_open_connection()
@@ -545,61 +699,100 @@ int sttd_dbus_open_connection()
 
        int ret;
 
+       /* Create connection for sender */
+       g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
+               dbus_error_free(&err);
+       }
+
+       if (NULL == g_conn_sender) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection sender");
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+
+       dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
+
        /* connect to the bus and check for errors */
-       g_conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
+       g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
 
-       if (dbus_error_is_set(&err)) { 
+       if (dbus_error_is_set(&err)) {
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
-               dbus_error_free(&err); 
+               dbus_error_free(&err);
        }
 
-       if (NULL == g_conn) { 
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection" );
-               return -1;
+       if (NULL == g_conn_listener) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection");
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
        }
 
-       /* request our name on the bus and check for errors */
-       ret = dbus_bus_request_name(g_conn, STT_SERVER_SERVICE_NAME, DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
+       dbus_connection_set_exit_on_disconnect(g_conn_listener, false);
+
+       /* Get buxton key */
+       ret = __sttd_get_buxtonkey();
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get buxton key");
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return ret;
+       }
+
+       ret = __sttd_request_custom_dbus_name();
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to request custom dbus name");
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return ret;
+       }
+
+       ret = dbus_bus_request_name(g_conn_listener, g_server_service_name, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
 
        if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
-               printf("Fail to be primary owner in dbus request.");
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
-               return -1;
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
        }
 
-       if (dbus_error_is_set(&err)) { 
+       if (dbus_error_is_set(&err)) {
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
-               dbus_error_free(&err); 
-               return -1;
+               dbus_error_free(&err);
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
+       }
+
+       /* Flush messages which are received before fd event handler registration */
+       while (DBUS_DISPATCH_DATA_REMAINS == dbus_connection_get_dispatch_status(g_conn_listener)) {
+               listener_event_callback(NULL, NULL);
        }
 
        /* add a rule for getting signal */
        char rule[128];
-       snprintf(rule, 128, "type='signal',interface='%s'", STT_SERVER_SERVICE_INTERFACE);
+       snprintf(rule, 128, "type='signal',interface='%s'", g_server_service_interface);
 
        /* add a rule for which messages we want to see */
-       dbus_bus_add_match(g_conn, rule, &err); /* see signals from the given interface */
-       dbus_connection_flush(g_conn);
+       dbus_bus_add_match(g_conn_listener, rule, &err); /* see signals from the given interface */
+       dbus_connection_flush(g_conn_listener);
 
-       if (dbus_error_is_set(&err)) { 
+       if (dbus_error_is_set(&err)) {
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
-               return -1; 
+               dbus_error_free(&err);
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
        }
 
        int fd = 0;
-       dbus_connection_get_unix_fd(g_conn, &fd);
-
-       if (!ecore_init()) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] ecore_init()");
-               return -1;
-       }
+       dbus_connection_get_unix_fd(g_conn_listener, &fd);
 
-       Ecore_Fd_Handler* fd_handler;
-       fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ , (Ecore_Fd_Cb)listener_event_callback, g_conn, NULL, NULL);
-
-       if (NULL == fd_handler) {
+       g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
+       if (NULL == g_dbus_fd_handler) {
                SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get fd handler");
-               return -1;
+               __sttd_dbus_service_free();
+               __sttd_dbus_connection_free();
+               return STTD_ERROR_OPERATION_FAILED;
        }
 
        return 0;
@@ -610,13 +803,23 @@ int sttd_dbus_close_connection()
        DBusError err;
        dbus_error_init(&err);
 
-       dbus_bus_release_name (g_conn, STT_SERVER_SERVICE_NAME, &err);
+       if (NULL != g_dbus_fd_handler) {
+               ecore_main_fd_handler_del(g_dbus_fd_handler);
+               g_dbus_fd_handler = NULL;
+       }
 
-       if (dbus_error_is_set(&err)) {
-               SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message); 
-               dbus_error_free(&err); 
-               return -1;
+       if (NULL != g_conn_listener) {
+               dbus_bus_release_name(g_conn_listener, g_server_service_name, &err);
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
+                       dbus_error_free(&err);
+               }
        }
 
+       __sttd_dbus_connection_free();
+       __sttd_dbus_service_free();
+
+       SLOG(LOG_DEBUG, TAG_STTD, "[Server] Close dbus connection");
+
        return 0;
 }