Fix dbus connection free
[platform/core/uifw/tts.git] / client / tts_dbus.c
index 41a2cd2..df39b69 100644 (file)
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2011 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
 *  limitations under the License.
 */
 
-
 #include <Ecore.h>
-#include "tts_main.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/inotify.h>
+
+#include "tts_client.h"
+#include "tts_config_mgr.h"
 #include "tts_dbus.h"
 #include "tts_defs.h"
+#include "tts_main.h"
+
 
+#define HELLO_WAITING_TIME 500
+#define WAITING_TIME 5000
 
-static Ecore_Fd_Handler* g_fd_handler = NULL;
+static DBusConnection* g_conn_sender = NULL;
+static DBusConnection* g_conn_listener = NULL;
 
-static DBusConnection* g_conn = NULL;
+static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
 
 
-extern int __tts_cb_error(int uid, tts_error_e reason, int utt_id);
+extern int __tts_cb_error(int uid, tts_error_e reason, int utt_id, char *err_msg);
 
-extern int __tts_cb_interrupt(int uid, tts_interrupted_code_e code);
+extern int __tts_cb_set_state(int uid, int state);
 
 extern int __tts_cb_utt_started(int uid, int utt_id);
 
@@ -34,262 +43,404 @@ extern int __tts_cb_utt_completed(int uid, int utt_id);
 
 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 {
-       DBusConnection* conn = (DBusConnection*)data;
+       if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 
-       if (NULL == conn)       return ECORE_CALLBACK_RENEW;
+       dbus_connection_read_write_dispatch(g_conn_listener, 50);
 
-       dbus_connection_read_write_dispatch(conn, 50);
+       while (1) {
+               DBusMessage* msg = NULL;
+               msg = dbus_connection_pop_message(g_conn_listener);
 
-       DBusMessage* msg = NULL;
-       msg = dbus_connection_pop_message(conn);
+               if (true != dbus_connection_get_is_connected(g_conn_listener)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Connection is disconnected");
+                       break;
+               }
 
-       /* loop again if we haven't read a message */
-       if (NULL == msg) { 
-               return ECORE_CALLBACK_RENEW;
-       }
+               /* loop again if we haven't read a message */
+               if (NULL == msg) {
+                       break;
+               }
 
-       DBusError err;
-       dbus_error_init(&err);
-       
-       char if_name[64];
-       snprintf(if_name, 64, "%s%d", TTS_CLIENT_SERVICE_INTERFACE, getpid());
-
-       /* check if the message is a signal from the correct interface and with the correct name */
-       if (dbus_message_is_signal(msg, if_name, TTS_SIGNAL_UTTERANCE_STARTED)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get utterance started");
-               int uid, uttid;
-               dbus_message_get_args(msg, &err,
-                       DBUS_TYPE_INT32, &uid,
-                       DBUS_TYPE_INT32, &uttid,
-                       DBUS_TYPE_INVALID);
+               DBusError err;
+               dbus_error_init(&err);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Utterance started - Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-               } else {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Utterance started signal : uid(%d), uttid(%d) \n", uid, uttid);
-                       __tts_cb_utt_started(uid, uttid);
-               }
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       }/* TTS_SIGNAL_UTTERANCE_STARTED */
-
-       else if (dbus_message_is_signal(msg, if_name, TTS_SIGNAL_UTTERANCE_COMPLETED)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get utterance completed");
-               int uid, uttid;
-               dbus_message_get_args(msg, &err,
-                       DBUS_TYPE_INT32, &uid,
-                       DBUS_TYPE_INT32, &uttid,
-                       DBUS_TYPE_INVALID);
+               char if_name[64] = {0, };
+               snprintf(if_name, 64, "%s", TTS_CLIENT_SERVICE_INTERFACE);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Utterance completed - Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-               } else {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Utterance completed signal : uid(%d), uttid(%d) \n", uid, uttid);
-                       __tts_cb_utt_completed(uid, uttid);
-               }
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       }/* TTS_SIGNAL_UTTERANCE_COMPLETED */
-
-       else if (dbus_message_is_signal(msg, if_name, TTS_SIGNAL_INTERRUPT)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get interrupt callback");
-               int uid;
-               int code;
-               dbus_message_get_args(msg, &err,
-                       DBUS_TYPE_INT32, &uid,
-                       DBUS_TYPE_INT32, &code,
-                       DBUS_TYPE_INVALID);
+               if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_UTTERANCE_STARTED)) {
+                       int uid = 0;
+                       int uttid = 0;
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Stop signal - Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-               } else {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Interrupt signal : uid(%d) , interrupt code(%d)\n", uid, code);
-                       __tts_cb_interrupt(uid, (tts_interrupted_code_e)code);
-               }
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       } /* TTS_SIGNAL_INTERRUPT */
+                       dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &uttid, DBUS_TYPE_INVALID);
+                       if (dbus_error_is_set(&err)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Get arguments error (%s)", err.message);
+                               dbus_error_free(&err);
+                       }
 
-       else if (dbus_message_is_signal(msg, if_name, TTS_SIGNAL_ERROR)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get error callback");
+                       if (0 == __tts_cb_utt_started(uid, uttid)) {
+                               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts utterance started : uid(%d) uttid(%d)", uid, uttid);
+                       }
+               } /* TTSD_METHOD_UTTERANCE_STARTED */
 
-               int uid;
-               int uttid;
-               int reason;
+               else if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_UTTERANCE_COMPLETED)) {
+                       int uid = 0;
+                       int uttid = 0;
 
-               dbus_message_get_args(msg, &err,
-                       DBUS_TYPE_INT32, &uid,
-                       DBUS_TYPE_INT32, &uttid,
-                       DBUS_TYPE_INT32, &reason,
-                       DBUS_TYPE_INVALID);
+                       dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &uttid, DBUS_TYPE_INVALID);
+                       if (dbus_error_is_set(&err)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Get arguments error (%s)", err.message);
+                               dbus_error_free(&err);
+                       }
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Error signal - Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
-               } else {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Error signal : uid(%d), error(%d), uttid(%d)\n", uid, reason, uttid);
-                       __tts_cb_error(uid, reason, uttid);
-               }
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       }/* TTS_SIGNAL_ERROR */
+                       if (0 == __tts_cb_utt_completed(uid, uttid)) {
+                               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts utterance completed : uid(%d) uttid(%d)", uid, uttid);
+                       }
+               } /* TTS_SIGNAL_UTTERANCE_STARTED */
 
-       /* free the message */
-       dbus_message_unref(msg);
+               else if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_SET_STATE)) {
+                       int uid = 0;
+                       int state = 0;
 
+                       dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID);
+                       if (dbus_error_is_set(&err)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Get arguments error (%s)", err.message);
+                               dbus_error_free(&err);
+                       }
+
+                       if (0 == __tts_cb_set_state(uid, state)) {
+                               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts state changed : uid(%d) state(%d)", uid, state);
+                       }
+               } /* TTSD_SIGNAL_SET_STATE */
+
+               else if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_ERROR)) {
+                       int uid;
+                       int uttid;
+                       int reason;
+                       char* err_msg;
+
+                       dbus_message_get_args(msg, &err,
+                               DBUS_TYPE_INT32, &uid,
+                               DBUS_TYPE_INT32, &uttid,
+                               DBUS_TYPE_INT32, &reason,
+                               DBUS_TYPE_STRING, &err_msg,
+                               DBUS_TYPE_INVALID);
+
+                       if (dbus_error_is_set(&err)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Error message - Get arguments error (%s)", err.message);
+                               dbus_error_free(&err);
+                       } else {
+                               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Error message : uid(%d), error(%d), uttid(%d), err_msg(%s)", uid, reason, uttid, (NULL == err_msg) ? "NULL" : err_msg);
+                               __tts_cb_error(uid, reason, uttid, err_msg);
+
+                       }
+               } /* TTSD_SIGNAL_ERROR */
+
+               else if (dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameOwnerChanged")) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "===== Owner Changed");
+                       __tts_cb_error(-1, TTS_ERROR_SERVICE_RESET, -1, "Daemon Reset");
+                       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+                       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               } /* NameOwnerChanged */
+
+               else {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "Message is NOT valid");
+                       dbus_message_unref(msg);
+                       break;
+               }
+
+               /* free the message */
+               dbus_message_unref(msg);
+       }
        return ECORE_CALLBACK_PASS_ON;
 }
 
+static void __tts_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;
+       }
+}
 
 int tts_dbus_open_connection()
 {
-       if (NULL != g_conn) {
+       if (NULL != g_conn_sender && NULL != g_conn_listener) {
                SLOG(LOG_WARN, TAG_TTSC, "already existed connection ");
                return 0;
        }
 
        DBusError err;
-       int ret;
 
        /* initialise the error value */
        dbus_error_init(&err);
 
        /* connect to the DBUS system bus, and check for errors */
-       g_conn = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err);
-
-       if (dbus_error_is_set(&err)) { 
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Dbus Connection Error (%s)\n", err.message); 
-               dbus_error_free(&err); 
+       g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Dbus Connection Error (%s)", err.message);
+               dbus_error_free(&err);
        }
 
-       if (NULL == g_conn) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] fail to get dbus connection \n");
-               return TTS_ERROR_OPERATION_FAILED; 
+       if (NULL == g_conn_sender) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] fail to get dbus connection");
+               return TTS_ERROR_OPERATION_FAILED;
        }
 
-       int pid = getpid();
-
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", TTS_CLIENT_SERVICE_NAME, pid);
-
-       SLOG(LOG_DEBUG, TAG_TTSC, "Service name is %s\n", service_name);
-
-       /* register our name on the bus, and check for errors */
-       ret = dbus_bus_request_name(g_conn, service_name, DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
+       dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
 
+       g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
        if (dbus_error_is_set(&err)) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Name Error (%s)\n", err.message); 
-               dbus_error_free(&err); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Dbus Connection Error (%s)", err.message);
+               dbus_error_free(&err);
        }
 
-       if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to open connection : Service name has already been existed. \n");
+       if (NULL == g_conn_listener) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] fail to get dbus connection for listener");
+               __tts_dbus_connection_free();
                return TTS_ERROR_OPERATION_FAILED;
        }
 
-       char rule[128];
-       snprintf(rule, 128, "type='signal',interface='%s%d'", TTS_CLIENT_SERVICE_INTERFACE, pid);
+       char rule[128] = {0, };
+       snprintf(rule, 128, "type='signal',interface='%s'", TTS_CLIENT_SERVICE_INTERFACE);
 
        /* add a rule for which messages we want to see */
-       dbus_bus_add_match(g_conn, rule, &err); 
-       dbus_connection_flush(g_conn);
-
-       if (dbus_error_is_set(&err)) { 
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Match Error (%s)\n", err.message);
-               return TTS_ERROR_OPERATION_FAILED; 
-       }
+       dbus_bus_add_match(g_conn_listener, rule, &err);
+       dbus_connection_flush(g_conn_listener);
 
        int fd = 0;
-       dbus_connection_get_unix_fd(g_conn, &fd);
-
-       g_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn, NULL, NULL);
+       if (true != dbus_connection_get_unix_fd(g_conn_listener, &fd)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "Fail to get fd from dbus");
+               __tts_dbus_connection_free();
+               return TTS_ERROR_OPERATION_FAILED;
+       } else {
+               SLOG(LOG_DEBUG, TAG_TTSC, "Get fd from dbus : %d", fd);
+       }
 
-       if (NULL == g_fd_handler) { 
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get fd handler from ecore \n");
+       g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, NULL, NULL, NULL);
+       if (NULL == g_dbus_fd_handler) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get fd handler from ecore");
+               __tts_dbus_connection_free();
                return TTS_ERROR_OPERATION_FAILED;
        }
 
        return 0;
 }
 
-
 int tts_dbus_close_connection()
 {
        DBusError err;
        dbus_error_init(&err);
 
-       int pid = getpid();
+       if (NULL != g_dbus_fd_handler) {
+               ecore_main_fd_handler_del(g_dbus_fd_handler);
+               g_dbus_fd_handler = NULL;
+       }
+
+       __tts_dbus_connection_free();
+
+       return 0;
+}
+
+int tts_dbus_reconnect()
+{
+       if (!g_conn_sender || !g_conn_listener) {
+               tts_dbus_close_connection();
+
+               if (0 != tts_dbus_open_connection()) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to reconnect");
+                       return -1;
+               }
 
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", TTS_CLIENT_SERVICE_NAME, pid);
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DBUS] Reconnect");
+               return 0;
+       }
 
-       dbus_bus_release_name (g_conn, service_name, &err);
+       bool sender_connected = dbus_connection_get_is_connected(g_conn_sender);
+       bool listener_connected = dbus_connection_get_is_connected(g_conn_listener);
+       SLOG(LOG_DEBUG, TAG_TTSC, "[DBUS] Sender(%s) Listener(%s)",
+                sender_connected ? "Connected" : "Not connected", listener_connected ? "Connected" : "Not connected");
 
-       g_conn = NULL;
+       if (false == sender_connected || false == listener_connected) {
+               tts_dbus_close_connection();
+
+               if (0 != tts_dbus_open_connection()) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to reconnect");
+                       return -1;
+               }
+
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DBUS] Reconnect");
+       }
 
        return 0;
 }
 
+DBusMessage* __tts_dbus_make_message(int uid, const char* method)
+{
+       if (NULL == method) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input method is NULL");
+               return NULL;
+       }
+
+       tts_client_s* client = tts_client_get_by_uid(uid);
+
+       /* check handle */
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] uid is not available");
+               return NULL;
+       }
+
+       DBusMessage* msg;
+
+       if (TTS_MODE_DEFAULT == client->mode) {
+               msg = dbus_message_new_method_call(
+                       TTS_SERVER_SERVICE_NAME, 
+                       TTS_SERVER_SERVICE_OBJECT_PATH, 
+                       TTS_SERVER_SERVICE_INTERFACE, 
+                       method);
+       } else if (TTS_MODE_NOTIFICATION == client->mode) {
+               msg = dbus_message_new_method_call(
+                       TTS_NOTI_SERVER_SERVICE_NAME, 
+                       TTS_NOTI_SERVER_SERVICE_OBJECT_PATH, 
+                       TTS_NOTI_SERVER_SERVICE_INTERFACE, 
+                       method);
+       } else if (TTS_MODE_SCREEN_READER == client->mode) {
+               msg = dbus_message_new_method_call(
+                       TTS_SR_SERVER_SERVICE_NAME, 
+                       TTS_SR_SERVER_SERVICE_OBJECT_PATH, 
+                       TTS_SR_SERVER_SERVICE_INTERFACE, 
+                       method);
+       } else {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input mode is not available");
+               return NULL;
+       }
+
+       return msg;
+}
+
+int tts_dbus_request_hello(int uid)
+{
+       DBusError err;
+       dbus_error_init(&err);
+       DBusMessage* msg;
+
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_HELLO);
+
+       if (dbus_error_is_set(&err)) {
+//             SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts dbus log : %s", err);
+               dbus_error_free(&err);
+       }
+
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts hello : Fail to make message");
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       DBusMessage* result_msg = NULL;
+       int result = 0;
+
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, HELLO_WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+//             SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts dbus log : %s", err);
+               dbus_error_free(&err);
+       }
+
+       if (NULL != result_msg) {
+               dbus_message_unref(result_msg);
+
+//             SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts hello");
+               result = 0;
+       } else {
+               result = TTS_ERROR_TIMED_OUT;
+       }
+
+       return result;
+}
 
-int tts_dbus_request_initialize(int uid)
+int tts_dbus_request_initialize(int uid, bool* credential_needed)
 {
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_INITIALIZE);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_INITIALIZE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts initialize : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts initialize : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts initialize : uid(%d)", uid);
        }
 
        int pid = getpid();
-       dbus_message_append_args( msg, 
-               DBUS_TYPE_INT32, &pid,
-               DBUS_TYPE_INT32, &uid,
-               DBUS_TYPE_INVALID);
+       if (true != dbus_message_append_args(msg, DBUS_TYPE_INT32, &pid, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       DBusError err;
-       dbus_error_init(&err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 3000, &err);
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               dbus_error_free(&err);
+       }
 
+       int temp = 0;
        if (NULL != result_msg) {
                dbus_message_get_args(result_msg, &err,
                                  DBUS_TYPE_INT32, &result,
+                                 DBUS_TYPE_INT32, &temp,
                                  DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
 
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts initialize : result = %d \n", result);
+               if (0 == result) {
+                       *credential_needed = (bool)temp;
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts initialize : result = %d, credential_needed(%d)", result, *credential_needed);
+
+                       /* add a rule for daemon error */
+                       char rule_err[256] = {0, };
+                       tts_client_s* client = tts_client_get_by_uid(uid);
+                       if (TTS_MODE_DEFAULT == client->mode) {
+                               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_SERVER_SERVICE_INTERFACE);
+                       } else if (TTS_MODE_NOTIFICATION == client->mode) {
+                               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_NOTI_SERVER_SERVICE_INTERFACE);
+                       } else if (TTS_MODE_SCREEN_READER == client->mode) {
+                               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_SR_SERVER_SERVICE_INTERFACE);
+                       }
+                       dbus_bus_add_match(g_conn_listener, rule_err, &err);
+                       dbus_connection_flush(g_conn_listener);
+
+                       if (dbus_error_is_set(&err)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "Match Error (%s)", err.message);
+                               dbus_error_free(&err);
+                               return TTS_ERROR_OPERATION_FAILED;
+                       }
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts initialize : result = %d", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts initialize : result = %d \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
-       
-       dbus_message_unref(msg);
 
        return result;
 }
@@ -298,435 +449,490 @@ int tts_dbus_request_initialize(int uid)
 int tts_dbus_request_finalize(int uid)
 {
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_FINALIZE);
+       /* remove a rule for daemon error */
+       char rule_err[256] = {0, };
+       tts_client_s* client = tts_client_get_by_uid(uid);
+       if (TTS_MODE_DEFAULT == client->mode) {
+               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_SERVER_SERVICE_INTERFACE);
+       } else if (TTS_MODE_NOTIFICATION == client->mode) {
+               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_NOTI_SERVER_SERVICE_INTERFACE);
+       } else if (TTS_MODE_SCREEN_READER == client->mode) {
+               snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", TTS_SR_SERVER_SERVICE_INTERFACE);
+       }
+       dbus_bus_remove_match(g_conn_listener, rule_err, &err);
+       dbus_connection_flush(g_conn_listener);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "Match Error (%s)", err.message);
+               dbus_error_free(&err);
+       }
+
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_FINALIZE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts finalize : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts finalize : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts finalize : uid(%d)", uid);
        }
 
-       dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
+       if (true != dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       DBusError err;
-       dbus_error_init(&err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 3000, &err);
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error %s", err.message);
+               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_TTSC, "<<<< Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
 
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts finalize : result = %d \n", result);
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts finalize : result = %d", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts finalize : result = %d", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts finalize : result = %d \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
        return result;
 }
 
-int tts_dbus_request_get_support_voice(int uid, tts_h tts, tts_supported_voice_cb callback, void* user_data)
+int tts_dbus_request_add_text(int uid, const char* text, const char* lang, int vctype, int speed, int uttid, const char* credential)
 {
+       if (NULL == text || NULL == lang) {
+               SLOG(LOG_ERROR, TAG_TTSC, "Input parameter is NULL");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_GET_SUPPORT_VOICES);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_ADD_QUEUE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts get supported voices : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts add text : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts get supported voices : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts add text : uid(%d), text(%s), lang(%s), type(%d), speed(%d), id(%d), credential(%s)",
+                        uid, text, lang, vctype, speed, uttid, (NULL == credential) ? "NULL" : credential);
        }
 
-       dbus_message_append_args( msg, 
-               DBUS_TYPE_INT32, &uid,
-               DBUS_TYPE_INVALID);
+       char *temp = NULL;
+       if (NULL == credential) {
+               temp = strdup("NULL");
+       } else {
+               temp = strdup(credential);
+       }
 
-       DBusError err;
-       dbus_error_init(&err);
+       if (true != dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_STRING, &text,
+               DBUS_TYPE_STRING, &lang,
+               DBUS_TYPE_INT32, &vctype,
+               DBUS_TYPE_INT32, &speed,
+               DBUS_TYPE_INT32, &uttid,
+               DBUS_TYPE_STRING, &temp,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
+
+               if (NULL != temp) {
+                       free(temp);
+                       temp = NULL;
+               }
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
-       DBusMessageIter args;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 3000, &err );
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               dbus_error_free(&err);
+       }
 
        if (NULL != result_msg) {
-               if (dbus_message_iter_init(result_msg, &args)) {
-                       /* Get result */
-                       if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
-                               dbus_message_iter_get_basic(&args, &result);
-                               dbus_message_iter_next(&args);
-                       }
+               dbus_message_get_args(result_msg, &err,
+                       DBUS_TYPE_INT32, &result,
+                       DBUS_TYPE_INVALID);
 
-                       if (0 == result) {
-                               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts get supported voices : result = %d \n", result);
-
-                               int size ; 
-                               char* temp_char;
-                               int temp_int;
-
-                               /* Get voice size */
-                               if (DBUS_TYPE_INT32 == dbus_message_iter_get_arg_type(&args)) {
-                                       dbus_message_iter_get_basic(&args, &size);
-                                       dbus_message_iter_next(&args);
-                               }
-
-                               if (0 >= size) {
-                                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts size of voice error : size = %d \n", size);
-                               } else {
-                                       int i=0;
-                                       for (i=0 ; i<size ; i++) {
-                                               dbus_message_iter_get_basic(&args, &(temp_char) );
-                                               dbus_message_iter_next(&args);
-                                               dbus_message_iter_get_basic(&args, &(temp_int) );
-                                               dbus_message_iter_next(&args);
-                                               
-                                               if (true != callback(tts, temp_char, (tts_voice_type_e)temp_int, user_data)) {
-                                                       break;
-                                               }
-                                       }
-                               }
-                       } else {
-                               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get supported voices : result = %d \n", result);
-                       }
-               } else  {
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get supported voices : result message is invalid \n");
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add text : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
+
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts add text : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add text : result(%d)", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL");
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
+       if (NULL != temp) {
+               free(temp);
+               temp = NULL;
+       }
        return result;
 }
 
-int tts_dbus_request_get_default_voice(int uid , char** lang, tts_voice_type_e* vctype)
+int tts_dbus_request_set_private_data(int uid, const char* key, const char* data)
 {
-       if (NULL == lang || NULL == vctype) {
+       if (NULL == key || NULL == data) {
                SLOG(LOG_ERROR, TAG_TTSC, "Input parameter is NULL");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_GET_CURRENT_VOICE);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_SET_PRIVATE_DATA);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts get default voice : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts set private data : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts get default voice : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts set private data : uid(%d)", uid);
        }
 
-       dbus_message_append_args( msg, 
+       if (true != dbus_message_append_args(msg,
                DBUS_TYPE_INT32, &uid,
-               DBUS_TYPE_INVALID);
+               DBUS_TYPE_STRING, &key,
+               DBUS_TYPE_STRING, &data,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       DBusError err;
-       dbus_error_init(&err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
-       char* temp_lang;
-       int voice_type;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 3000, &err);
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               dbus_error_free(&err);
+       }
 
        if (NULL != result_msg) {
                dbus_message_get_args(result_msg, &err,
                        DBUS_TYPE_INT32, &result,
-                       DBUS_TYPE_STRING, &temp_lang,
-                       DBUS_TYPE_INT32, &voice_type,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts set private data : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
-               } 
+               }
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               *lang = strdup(temp_lang);
-               *vctype = (tts_voice_type_e)voice_type;
-
-               if (NULL == *lang) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get default voice : Out of memory \n");
-                       result = TTS_ERROR_OUT_OF_MEMORY;
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts set private data : result(%d)", result);
                } else {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts get default voice : result(%d), lang(%s), vctype(%d) \n", result, *lang, *vctype);
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts set private data : result(%d)", result);
                }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get default voice : result(%d) \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
        return result;
 }
 
-
-int tts_dbus_request_add_text(int uid, const char* text, const char* lang, int vctype, int speed, int uttid)
+int tts_dbus_request_get_private_data(int uid, const char* key, char** data)
 {
-       if (NULL == text || NULL == lang) {
+       if (NULL == key || NULL == data) {
                SLOG(LOG_ERROR, TAG_TTSC, "Input parameter is NULL");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_ADD_QUEUE);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_GET_PRIVATE_DATA);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts add text : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts get private data : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts add text : uid(%d), text(%s), lang(%s), type(%d), speed(%d), id(%d)", 
-                       uid, text, lang, vctype, speed, uttid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts get private data : uid(%d)", uid);
        }
 
-       dbus_message_append_args( msg, 
+       if (true != dbus_message_append_args(msg,
                DBUS_TYPE_INT32, &uid,
-               DBUS_TYPE_STRING, &text,
-               DBUS_TYPE_STRING, &lang,
-               DBUS_TYPE_INT32, &vctype,
-               DBUS_TYPE_INT32, &speed,
-               DBUS_TYPE_INT32, &uttid,
-               DBUS_TYPE_INVALID);
+               DBUS_TYPE_STRING, &key,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       DBusError err;
-       dbus_error_init(&err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 5000, &err);
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               dbus_error_free(&err);
+       }
 
+       char* temp = NULL;
        if (NULL != result_msg) {
                dbus_message_get_args(result_msg, &err,
                        DBUS_TYPE_INT32, &result,
+                       DBUS_TYPE_STRING, &temp,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add text : Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get private data : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts add text : result(%d) \n", result);
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts get private data : result(%d)", result);
+                       if (NULL != temp) {
+                               *data = strdup(temp);
+                       }
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get private data : result(%d)", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add text : result(%d) \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
        return result;
 }
 
-int tts_dbus_request_play(int uid
+int tts_dbus_request_play(int uid, const char* credential)
 {
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME,
-               TTS_SERVER_SERVICE_OBJECT_PATH,  
-               TTS_SERVER_SERVICE_INTERFACE,    
-               TTS_METHOD_PLAY );               
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_PLAY);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts play : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts play : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts play : uid(%d)", uid);
        }
-       
-       dbus_message_append_args( msg, 
-               DBUS_TYPE_INT32, &uid,
-               DBUS_TYPE_INVALID);
 
-       DBusError err;
-       dbus_error_init(&err);
+       char *temp = NULL;
+       if (NULL == credential) {
+               temp = strdup("NULL");
+       } else {
+               temp = strdup(credential);
+       }
+
+       if (true != dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_STRING, &temp,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
+
+               if (NULL != temp) {
+                       free(temp);
+                       temp = NULL;
+               }
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 5000, &err);
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               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_TTSC, "<<<< tts play : Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
+
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts play : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play : result(%d)", result);
+               }
        } else {
                SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts play : result(%d) \n", result);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play : result(%d) \n", result);
+       if (NULL != temp) {
+               free(temp);
+               temp = NULL;
        }
-
-       dbus_message_unref(msg);
-       
        return result;
 }
 
-
 int tts_dbus_request_stop(int uid)
 {
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_STOP);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_STOP);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts stop : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts stop : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts stop : uid(%d)", uid);
        }
 
-       DBusError err;
-       dbus_error_init(&err);
-
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
+       if (true != dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 5000, &err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               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_TTSC, "<<<< tts stop : Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts stop : result(%d) \n", result);
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts stop : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop : result(%d)", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop : result(%d) \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
        return result;
 }
 
 int tts_dbus_request_pause(int uid)
 {
        DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       msg = dbus_message_new_method_call(
-               TTS_SERVER_SERVICE_NAME, 
-               TTS_SERVER_SERVICE_OBJECT_PATH, 
-               TTS_SERVER_SERVICE_INTERFACE, 
-               TTS_METHOD_PAUSE);
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_PAUSE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts pause : Fail to make message \n"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts pause : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
                SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts pause : uid(%d)", uid);
        }
 
-       DBusError err;
-       dbus_error_init(&err);
-
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
+       if (true != dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, 5000, &err);
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, WAITING_TIME, &err);
+       dbus_message_unref(msg);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Send error (%s)", err.message);
+               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_TTSC, "<<<< tts pause : Get arguments error (%s)\n", err.message);
-                       dbus_error_free(&err); 
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts pause : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
-       } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
-       }
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts pause : result(%d) \n", result);
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts pause : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts pause : result(%d)", result);
+               }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts pause : result(%d) \n", result);
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       dbus_message_unref(msg);
-
        return result;
 }