Fix log characters
[platform/core/uifw/tts.git] / client / tts_dbus.c
index 8f8f276..519a53e 100644 (file)
@@ -1,5 +1,5 @@
 /*
-*  Copyright (c) 2011-2014 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
 #define HELLO_WAITING_TIME 500
 #define WAITING_TIME 5000
 
-static DBusConnection* g_conn = NULL;
+static DBusConnection* g_conn_sender = NULL;
+static DBusConnection* g_conn_listener = NULL;
 
 static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
 
-static Ecore_Fd_Handler* g_file_fd_handler = NULL;
-static Ecore_Fd_Handler* g_file_fd_handler_sr = NULL;
-static Ecore_Fd_Handler* g_file_fd_handler_noti = NULL;
 
-static int g_file_fd;
-static int g_file_fd_sr;
-static int g_file_fd_noti;
-
-static int g_file_wd;
-static int g_file_wd_sr;
-static int g_file_wd_noti;
-
-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_set_state(int uid, int state);
 
@@ -53,234 +43,247 @@ 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 == conn)       return ECORE_CALLBACK_RENEW;
-
-       dbus_connection_read_write_dispatch(conn, 50);
-
-       DBusMessage* msg = NULL;
-       msg = dbus_connection_pop_message(conn);
-
-       if (true != dbus_connection_get_is_connected(conn)) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Connection is disconnected");
-               return ECORE_CALLBACK_RENEW;
-       }
-
-       /* loop again if we haven't read a message */
-       if (NULL == msg) { 
-               return ECORE_CALLBACK_RENEW;
-       }
-
-       DBusError err;
-       dbus_error_init(&err);
+       if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
 
-       DBusMessage *reply = NULL; 
-       
-       char if_name[64];
-       snprintf(if_name, 64, "%s%d", TTS_CLIENT_SERVICE_INTERFACE, getpid());
+       dbus_connection_read_write_dispatch(g_conn_listener, 50);
 
-       /* check if the message is a signal from the correct interface and with the correct name */
-       if (dbus_message_is_method_call(msg, if_name, TTSD_METHOD_HELLO)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get Hello");
-               int uid = 0;
-               int response = -1;
+       while (1) {
+               DBusMessage* msg = NULL;
+               msg = dbus_connection_pop_message(g_conn_listener);
 
-               dbus_message_get_args(msg, &err, DBUS_TYPE_INT32, &uid, 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 (true != dbus_connection_get_is_connected(g_conn_listener)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Connection is disconnected");
+                       break;
                }
 
-               if (uid > 0) {
-                       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts get hello : uid(%d)", uid);
-
-                       /* check uid */
-                       tts_client_s* client = tts_client_get_by_uid(uid);
-                       if (NULL != client) 
-                               response = 1;
-                       else 
-                               response = 0;
-               } else {
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts get hello : invalid uid");
+               /* loop again if we haven't read a message */
+               if (NULL == msg) {
+                       break;
                }
 
-               reply = dbus_message_new_method_return(msg);
+               DBusError err;
+               dbus_error_init(&err);
 
-               if (NULL != reply) {
-                       dbus_message_append_args(reply, DBUS_TYPE_INT32, &response, DBUS_TYPE_INVALID);
+               char if_name[64] = {0, };
+               snprintf(if_name, 64, "%s", TTS_CLIENT_SERVICE_INTERFACE);
 
-                       if (!dbus_connection_send(conn, reply, NULL))
-                               SLOG(LOG_ERROR, TAG_TTSC, ">>>> tts get hello : fail to send reply");
-                       else 
-                               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> tts get hello : result(%d)", response);
+               if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_UTTERANCE_STARTED)) {
+                       int uid = 0;
+                       int uttid = 0;
 
-                       dbus_connection_flush(conn);
-                       dbus_message_unref(reply); 
-               } else {
-                       SLOG(LOG_ERROR, TAG_TTSC, ">>>> tts get hello : fail to create reply message");
-               }
+                       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);
+                       }
 
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       } /* TTSD_METHOD_HELLO */
+                       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 */
 
-       else if (dbus_message_is_method_call(msg, if_name, TTSD_METHOD_ERROR)) {
-               SLOG(LOG_DEBUG, TAG_TTSC, "===== Get error callback");
+               else if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_UTTERANCE_COMPLETED)) {
+                       int uid = 0;
+                       int uttid = 0;
 
-               int uid;
-               int uttid;
-               int reason;
+                       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);
+                       }
 
-               dbus_message_get_args(msg, &err,
-                       DBUS_TYPE_INT32, &uid,
-                       DBUS_TYPE_INT32, &uttid,
-                       DBUS_TYPE_INT32, &reason,
-                       DBUS_TYPE_INVALID);
+                       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 */
 
-               if (dbus_error_is_set(&err)) { 
-                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get Error signal - Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
-               } else {
-                       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Error signal : uid(%d), error(%d), uttid(%d)", uid, reason, uttid);
-                       __tts_cb_error(uid, reason, uttid);
-               }
+               else if (dbus_message_is_signal(msg, if_name, TTSD_METHOD_SET_STATE)) {
+                       int uid = 0;
+                       int state = 0;
 
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-       }/* TTS_SIGNAL_ERROR */
+                       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);
+                       }
 
-       /* free the message */
-       dbus_message_unref(msg);
+                       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)", 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) {
+       if (NULL == g_conn_sender) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] fail to get dbus connection");
-               return TTS_ERROR_OPERATION_FAILED; 
+               return TTS_ERROR_OPERATION_FAILED;
        }
 
-       dbus_connection_set_exit_on_disconnect(g_conn, false);
-
-       int pid = getpid();
-
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", TTS_CLIENT_SERVICE_NAME, pid);
-
-       /* 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_DEBUG, TAG_TTSC, "Service name is %s", service_name);
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Name Error (%s)", 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.");
+       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)", 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_dbus_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_dbus_fd_handler) { 
+       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);
 
-       ecore_main_fd_handler_del(g_dbus_fd_handler);
-
-       int pid = getpid();
-
-       char service_name[64];
-       memset(service_name, 0, 64);
-       snprintf(service_name, 64, "%s%d", TTS_CLIENT_SERVICE_NAME, pid);
-
-       dbus_bus_release_name (g_conn, service_name, &err);
-       if (dbus_error_is_set(&err)) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Release name error (%s)", err.message);
-               dbus_error_free(&err);
+       if (NULL != g_dbus_fd_handler) {
+               ecore_main_fd_handler_del(g_dbus_fd_handler);
+               g_dbus_fd_handler = NULL;
        }
 
-       dbus_connection_close(g_conn);
-       
-       g_dbus_fd_handler = NULL;
-       g_conn = NULL;
+       __tts_dbus_connection_free();
 
        return 0;
 }
 
-
 int tts_dbus_reconnect()
 {
-       bool connected = dbus_connection_get_is_connected(g_conn);
-       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "[DBUS] %s", connected ? "Connected" : "Not connected");
+       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;
+               }
+
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DBUS] Reconnect");
+               return 0;
+       }
 
-       if (false == connected) {
+       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");
+
+       if (false == sender_connected || false == listener_connected) {
                tts_dbus_close_connection();
 
-               if(0 != tts_dbus_open_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"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input method is NULL");
                return NULL;
        }
 
@@ -313,7 +316,7 @@ DBusMessage* __tts_dbus_make_message(int uid, const char* method)
                        TTS_SR_SERVER_SERVICE_INTERFACE, 
                        method);
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input mode is not available"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input mode is not available");
                return NULL;
        }
 
@@ -322,31 +325,36 @@ DBusMessage* __tts_dbus_make_message(int uid, const char* method)
 
 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 (NULL == msg) { 
+       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;
-       } 
-
-       DBusError err;
-       dbus_error_init(&err);
+       }
 
        DBusMessage* result_msg = NULL;
        int result = 0;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, HELLO_WAITING_TIME, &err);
+       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");
+//             SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts hello");
                result = 0;
        } else {
                result = TTS_ERROR_TIMED_OUT;
@@ -355,7 +363,7 @@ int tts_dbus_request_hello(int uid)
        return result;
 }
 
-int tts_dbus_request_initialize(int uid)
+int tts_dbus_request_initialize(int uid, bool* credential_needed)
 {
        DBusMessage* msg;
        DBusError err;
@@ -363,17 +371,17 @@ int tts_dbus_request_initialize(int uid)
 
        msg = __tts_dbus_make_message(uid, TTS_METHOD_INITIALIZE);
 
-       if (NULL == msg) { 
+       if (NULL == msg) {
                SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts initialize : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts initialize : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts initialize : uid(%d)", uid);
        }
 
        int pid = getpid();
        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"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
                return TTS_ERROR_OPERATION_FAILED;
        }
@@ -381,28 +389,50 @@ int tts_dbus_request_initialize(int uid)
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, WAITING_TIME, &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)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
 
                dbus_message_unref(result_msg);
 
                if (0 == result) {
-                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts initialize : result = %d", 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);
                }
@@ -422,18 +452,35 @@ int tts_dbus_request_finalize(int uid)
        DBusError err;
        dbus_error_init(&err);
 
+       /* 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"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts finalize : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts finalize : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts finalize : uid(%d)", uid);
        }
 
        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"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
                return TTS_ERROR_OPERATION_FAILED;
        }
@@ -441,7 +488,7 @@ int tts_dbus_request_finalize(int uid)
        DBusMessage* result_msg;
        int result = TTS_ERROR_OPERATION_FAILED;
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, WAITING_TIME, &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);
@@ -451,9 +498,9 @@ int tts_dbus_request_finalize(int uid)
        if (NULL != result_msg) {
                dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
 
@@ -473,7 +520,7 @@ int tts_dbus_request_finalize(int uid)
        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_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");
@@ -486,32 +533,44 @@ int tts_dbus_request_add_text(int uid, const char* text, const char* lang, int v
 
        msg = __tts_dbus_make_message(uid, TTS_METHOD_ADD_QUEUE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts add text : Fail to make message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts add text : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_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 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);
        }
 
-       if (true != dbus_message_append_args( msg, 
+       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, &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"); 
+               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, WAITING_TIME, &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);
@@ -523,28 +582,170 @@ int tts_dbus_request_add_text(int uid, const char* text, const char* lang, int v
                        DBUS_TYPE_INT32, &result,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add text : Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       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 ");
                tts_dbus_reconnect();
                result = TTS_ERROR_TIMED_OUT;
        }
 
+       if (NULL != temp) {
+               free(temp);
+               temp = NULL;
+       }
        return result;
 }
 
-int tts_dbus_request_play(int uid) 
+int tts_dbus_request_set_private_data(int uid, const char* key, const char* data)
+{
+       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 = __tts_dbus_make_message(uid, TTS_METHOD_SET_PRIVATE_DATA);
+
+       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 set private data : uid(%d)", uid);
+       }
+
+       if (true != dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               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");
+
+               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_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 set private data : 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 set private data : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts set private data : result(%d)", result);
+               }
+       } else {
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
+       }
+
+       return result;
+}
+
+int tts_dbus_request_get_private_data(int uid, const char* key, char** data)
+{
+       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 = __tts_dbus_make_message(uid, TTS_METHOD_GET_PRIVATE_DATA);
+
+       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 get private data : uid(%d)", uid);
+       }
+
+       if (true != dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_STRING, &key,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
+
+               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_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 get private data : 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 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, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
+       }
+
+       return result;
+}
+
+int tts_dbus_request_play(int uid, const char* credential)
 {
        DBusMessage* msg;
        DBusError err;
@@ -552,24 +753,38 @@ int tts_dbus_request_play(int uid)
 
        msg = __tts_dbus_make_message(uid, TTS_METHOD_PLAY);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts play : Fail to make message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts play : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts play : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts play : uid(%d)", uid);
        }
-       
-       if (true != 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);
+       }
+
+       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"); 
+               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, WAITING_TIME, &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);
@@ -581,9 +796,9 @@ int tts_dbus_request_play(int uid)
                        DBUS_TYPE_INT32, &result,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play : Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
@@ -599,6 +814,10 @@ int tts_dbus_request_play(int uid)
                result = TTS_ERROR_TIMED_OUT;
        }
 
+       if (NULL != temp) {
+               free(temp);
+               temp = NULL;
+       }
        return result;
 }
 
@@ -610,11 +829,11 @@ int tts_dbus_request_stop(int uid)
 
        msg = __tts_dbus_make_message(uid, TTS_METHOD_STOP);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts stop : Fail to make message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts stop : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts stop : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts stop : uid(%d)", uid);
        }
 
        DBusMessage* result_msg;
@@ -622,12 +841,12 @@ int tts_dbus_request_stop(int uid)
 
        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"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
                return TTS_ERROR_OPERATION_FAILED;
        }
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, WAITING_TIME, &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);
@@ -639,9 +858,9 @@ int tts_dbus_request_stop(int uid)
                        DBUS_TYPE_INT32, &result,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop : Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
@@ -668,11 +887,11 @@ int tts_dbus_request_pause(int uid)
 
        msg = __tts_dbus_make_message(uid, TTS_METHOD_PAUSE);
 
-       if (NULL == msg) { 
-               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts pause : Fail to make message"); 
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts pause : Fail to make message");
                return TTS_ERROR_OPERATION_FAILED;
        } else {
-               SECURE_SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts pause : uid(%d)", uid);
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts pause : uid(%d)", uid);
        }
 
        DBusMessage* result_msg;
@@ -680,12 +899,12 @@ int tts_dbus_request_pause(int uid)
 
        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"); 
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
 
                return TTS_ERROR_OPERATION_FAILED;
        }
 
-       result_msg = dbus_connection_send_with_reply_and_block(g_conn, msg, WAITING_TIME, &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);
@@ -697,9 +916,9 @@ int tts_dbus_request_pause(int uid)
                        DBUS_TYPE_INT32, &result,
                        DBUS_TYPE_INVALID);
 
-               if (dbus_error_is_set(&err)) { 
+               if (dbus_error_is_set(&err)) {
                        SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts pause : Get arguments error (%s)", err.message);
-                       dbus_error_free(&err); 
+                       dbus_error_free(&err);
                        result = TTS_ERROR_OPERATION_FAILED;
                }
                dbus_message_unref(result_msg);
@@ -718,242 +937,184 @@ int tts_dbus_request_pause(int uid)
        return result;
 }
 
-
-static int __check_file(int mode)
+int tts_dbus_request_play_pcm(int uid)
 {
-       int length = 0;
-       int temp_fd;
-
-       switch(mode) {
-       case TTS_MODE_DEFAULT:          temp_fd = g_file_fd;            break;
-       case TTS_MODE_NOTIFICATION:     temp_fd = g_file_fd_noti;       break;
-       case TTS_MODE_SCREEN_READER:    temp_fd = g_file_fd_sr;         break;
-       default:
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Mode is NOT valid : %d", mode);
-               return -1;
-       }
+       DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       struct inotify_event event;
-       memset(&event, '\0', sizeof(struct inotify_event));
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_PLAY_PCM);
 
-       length = read(temp_fd, &event, sizeof(struct inotify_event));
-       if (0 > length) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message] Empty Inotify event");
-               return ECORE_CALLBACK_DONE;
-       }
-
-       if (IN_MODIFY != event.mask) {
-               SLOG(LOG_WARN, TAG_TTSC, "[File message] Undefined event");
-               return ECORE_CALLBACK_PASS_ON;
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts play pcm : Fail to make message");
+               return TTS_ERROR_OPERATION_FAILED;
+       } else {
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts play pcm : uid(%d)", uid);
        }
 
-       char* filename;
-       filename = tts_config_get_message_path(mode, getpid());
-
-       if (NULL == filename) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[Message ERROR] Fail to get message file path");
-               return ECORE_CALLBACK_PASS_ON;
+       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");
+               return TTS_ERROR_OPERATION_FAILED;
        }
 
-       FILE *fp;
-       bool is_empty_file = true;
-       char text[256] = {0, };
-       char msg[256];
-       int uid = -1;
-       int send_data = -1;
+       DBusMessage* result_msg;
+       int result = TTS_ERROR_OPERATION_FAILED;
 
-       fp = fopen(filename, "r");
-       if (NULL == fp) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to open file");
-               if (NULL != filename)   free(filename);
-               return ECORE_CALLBACK_RENEW;
+       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);
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "Opened message file : path (%s)", filename);
+       if (NULL != result_msg) {
+               dbus_message_get_args(result_msg, &err,
+                       DBUS_TYPE_INT32, &result,
+                       DBUS_TYPE_INVALID);
 
-       while (NULL != fgets(text, 256, fp)) {
-               if (0 > sscanf(text, "%s %d %d", msg, &uid, &send_data)) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to sscanf");
-                       continue;
-               }
-               is_empty_file = false;
-
-               int uttid;
-               if (!strcmp(TTSD_METHOD_UTTERANCE_STARTED, msg)) {
-                       uttid = send_data;
-                       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Utterance started message : uid(%d), uttid(%d)", uid, uttid);
-                       __tts_cb_utt_started(uid, uttid);
-               } else if (!strcmp(TTSD_METHOD_UTTERANCE_COMPLETED, msg)) {
-                       uttid = send_data;
-                       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get Utterance completed message : uid(%d), uttid(%d)", uid, uttid);
-                       __tts_cb_utt_completed(uid, uttid);
-
-               } else if (!strcmp(TTSD_METHOD_SET_STATE, msg)) {
-                       int state = send_data;
-                       SECURE_SLOG(LOG_DEBUG, TAG_TTSC, "<<<< Get state change : uid(%d) , state(%d)", uid, state);
-                       __tts_cb_set_state(uid, state);
-               } else {
-                       SLOG(LOG_WARN, TAG_TTSC, "<<<< Get undefined message : uid(%d), data(%d)", uid, send_data);
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play pcm : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
+                       result = TTS_ERROR_OPERATION_FAILED;
                }
+               dbus_message_unref(result_msg);
 
-               memset(text, 0, 256);
-       }
-
-       fclose(fp);
-
-       struct stat stbuf;
-       if (-1 != stat(filename, &stbuf)) {     
-               if (false == is_empty_file) {
-                       fp = fopen(filename, "w+");
-                       if (NULL == fp) {
-                               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to make new file");
-                       } else {
-                               fclose(fp);
-                       }
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts play pcm : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts play pcm : result(%d)", result);
                }
        } else {
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to access file");
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       if (NULL != filename)   free(filename);
-
-       return ECORE_CALLBACK_PASS_ON;
+       return result;
 }
 
-static Eina_Bool __noti_inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
+int tts_dbus_request_stop_pcm(int uid)
 {
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== [File message] Notification inotify event call");
-
-       int ret = __check_file(TTS_MODE_NOTIFICATION);
-
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       return ret;
-}
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_STOP_PCM);
 
-static Eina_Bool __sr_inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
-{
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== [File message] Screen reader inotify event call");
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts stop pcm : Fail to make message");
+               return TTS_ERROR_OPERATION_FAILED;
+       } else {
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts stop pcm : uid(%d)", uid);
+       }
 
-       int ret = __check_file(TTS_MODE_SCREEN_READER);
+       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");
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+       DBusMessage* result_msg;
+       int result = TTS_ERROR_OPERATION_FAILED;
 
-       return ret;
-}
+       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);
+       }
 
-static Eina_Bool __inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
-{
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== [File message] Noraml inotify event call");
+       if (NULL != result_msg) {
+               dbus_message_get_args(result_msg, &err,
+                       DBUS_TYPE_INT32, &result,
+                       DBUS_TYPE_INVALID);
 
-       int ret = __check_file(TTS_MODE_DEFAULT);
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop pcm : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
+                       result = TTS_ERROR_OPERATION_FAILED;
+               }
+               dbus_message_unref(result_msg);
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts stop pcm : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts stop pcm : result(%d)", result);
+               }
+       } else {
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
+       }
 
-       return ret;
+       return result;
 }
 
-int tts_file_msg_open_connection(tts_mode_e mode)
+int tts_dbus_request_add_pcm(int uid, int event, const char* data, int data_size, int audio_type, int rate)
 {
-       int temp_fd;
-       int temp_wd;
+       DBusMessage* msg;
+       DBusError err;
+       dbus_error_init(&err);
 
-       temp_fd = inotify_init();
-       if (temp_fd < 0) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail get inotify_fd");
-               return -1;
-       }
+       msg = __tts_dbus_make_message(uid, TTS_METHOD_ADD_PCM);
 
-       char* path;
-       path = tts_config_get_message_path((int)mode, getpid());
-       if (NULL == path) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[Message ERROR] Fail to get message file path");
-               return -1;
+       if (NULL == msg) {
+               SLOG(LOG_ERROR, TAG_TTSC, ">>>> Request tts add pcm : Fail to make message");
+               return TTS_ERROR_OPERATION_FAILED;
+       } else {
+               SLOG(LOG_DEBUG, TAG_TTSC, ">>>> Request tts add pcm : uid(%d)", uid);
        }
 
-       temp_wd = inotify_add_watch(temp_fd, path, IN_MODIFY);
-       
-       if (NULL != path)       free(path);
+       if (true != dbus_message_append_args(msg,
+               DBUS_TYPE_INT32, &uid,
+               DBUS_TYPE_INT32, &event,
+               DBUS_TYPE_INT32, &audio_type,
+               DBUS_TYPE_INT32, &rate,
+               DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE,
+               &data, data_size,
+               DBUS_TYPE_INVALID)) {
+               dbus_message_unref(msg);
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to append args");
+               return TTS_ERROR_OPERATION_FAILED;
+       }
 
-       switch(mode) {
-       case TTS_MODE_DEFAULT:
-               g_file_fd = temp_fd;
-               g_file_wd = temp_wd;
-               g_file_fd_handler = ecore_main_fd_handler_add(g_file_fd, ECORE_FD_READ, 
-                       (Ecore_Fd_Cb)__inotify_event_callback, NULL, NULL, NULL);
+       DBusMessage* result_msg;
+       int result = TTS_ERROR_OPERATION_FAILED;
 
-               if (NULL == g_file_fd_handler) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to get handler");
-                       return -1;
-               }
-               break;
-       case TTS_MODE_NOTIFICATION:
-               g_file_fd_noti = temp_fd;
-               g_file_wd_noti = temp_wd;
-               g_file_fd_handler_noti = ecore_main_fd_handler_add(g_file_fd_noti, ECORE_FD_READ, 
-                       (Ecore_Fd_Cb)__noti_inotify_event_callback, NULL, NULL, NULL);
-
-               if (NULL == g_file_fd_handler_noti) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to get handler");
-                       return -1;
-               }
-               break;
-       case TTS_MODE_SCREEN_READER:
-               g_file_fd_sr = temp_fd;
-               g_file_wd_sr = temp_wd;
-               g_file_fd_handler_sr = ecore_main_fd_handler_add(g_file_fd_sr, ECORE_FD_READ, 
-                       (Ecore_Fd_Cb)__sr_inotify_event_callback, NULL, NULL, NULL);
-
-               if (NULL == g_file_fd_handler_sr) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Fail to get handler");
-                       return -1;
-               }
-               break;
-       default:
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Mode is NOT valid : %d", mode);
-               return -1;
+       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);
        }
 
-       /* Set non-blocking mode of file */
-       int value;
-       value = fcntl(temp_fd, F_GETFL, 0);
-       value |= O_NONBLOCK;
-       
-       if (0 > fcntl(temp_fd, F_SETFL, value)) {
-               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Fail to set non-block mode");
-       }
+       if (NULL != result_msg) {
+               dbus_message_get_args(result_msg, &err,
+                       DBUS_TYPE_INT32, &result,
+                       DBUS_TYPE_INVALID);
 
-       return 0;
-}
+               if (dbus_error_is_set(&err)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add pcm : Get arguments error (%s)", err.message);
+                       dbus_error_free(&err);
+                       result = TTS_ERROR_OPERATION_FAILED;
+               }
+               dbus_message_unref(result_msg);
 
-int tts_file_msg_close_connection(tts_mode_e mode)
-{
-       switch(mode) {
-       case TTS_MODE_DEFAULT:
-               ecore_main_fd_handler_del(g_file_fd_handler);
-               inotify_rm_watch(g_file_fd, g_file_wd);
-               close(g_file_fd);
-               break;
-
-       case TTS_MODE_NOTIFICATION:
-               ecore_main_fd_handler_del(g_file_fd_handler_noti);
-               inotify_rm_watch(g_file_fd_noti, g_file_wd_noti);
-               close(g_file_fd_noti);
-               break;
-
-       case TTS_MODE_SCREEN_READER:
-               ecore_main_fd_handler_del(g_file_fd_handler_sr);
-               inotify_rm_watch(g_file_fd_sr, g_file_wd_sr);
-               close(g_file_fd_sr);
-               break;
-
-       default:
-               SLOG(LOG_ERROR, TAG_TTSC, "[File message ERROR] Mode is NOT valid : %d", mode);
-               return -1;
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "<<<< tts add pcm : result(%d)", result);
+               } else {
+                       SLOG(LOG_ERROR, TAG_TTSC, "<<<< tts add pcm : result(%d)", result);
+               }
+       } else {
+               SLOG(LOG_ERROR, TAG_TTSC, "<<<< Result message is NULL ");
+               tts_dbus_reconnect();
+               result = TTS_ERROR_TIMED_OUT;
        }
 
-       return 0;
+       return result;
 }