X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=client%2Fstt_dbus.c;h=f6ddbf00b70ba4bda53c17741239286c27ecfc17;hb=85692c071ad98f05bf8b4d4ec5c9683ba2af4f3e;hp=5a8f2f41b8468c1e922d2d1d870453471f9fdc75;hpb=e0004d19ad498e5ab176252194eb79ec0c8395bd;p=platform%2Fcore%2Fuifw%2Fstt.git

diff --git a/client/stt_dbus.c b/client/stt_dbus.c
index 5a8f2f4..f6ddbf0 100644
--- a/client/stt_dbus.c
+++ b/client/stt_dbus.c
@@ -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
@@ -18,14 +18,22 @@
 
 #include "stt_client.h"
 
+#include <vconf/vconf.h>
+#include <buxton2.h>
+
 static int g_waiting_time = 3000;
 static int g_waiting_short_time = 500;
 
+static char* g_server_service_name = NULL;
+static char* g_server_service_object = NULL;
+static char* g_server_service_interface = NULL;
+
 static Ecore_Fd_Handler* g_fd_handler = NULL;
 
 static DBusConnection* g_conn_sender = NULL;
 static DBusConnection* g_conn_listener = NULL;
 
+void __stt_dbus_service_free();
 
 extern int __stt_cb_error(int uid, int reason, char* err_msg);
 
@@ -35,6 +43,320 @@ extern int __stt_cb_set_state(int uid, int state);
 
 extern int __stt_cb_set_volume(int uid, float volume);
 
+extern int __stt_cb_speech_status(int uid, int status);
+
+char* __stt_get_service_name(char* engine_id)
+{
+	char* service_name = NULL;
+	const char* engine_default = NULL;
+
+	struct buxton_client * bux_cli;
+	struct buxton_layer * bux_layer;
+	struct buxton_value * bux_val;
+
+	int ret = buxton_open(&bux_cli, NULL, NULL);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
+		return NULL;
+	}
+	SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_open: %d", ret);
+	bux_layer = buxton_create_layer("system");
+	if (NULL == bux_layer) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
+		buxton_close(bux_cli);
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	bux_val = buxton_value_create_string("stt-engine-default");
+	if (NULL == bux_val) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+		bux_layer = NULL;
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	ret = buxton_value_get_string(bux_val, &engine_default);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value string, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
+
+
+	if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
+		service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + 1, sizeof(char));
+		if (NULL == service_name) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_name, strlen(STT_SERVER_SERVICE_NAME) + 1, "%s", STT_SERVER_SERVICE_NAME);
+	} else {
+		service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_id) - 8, sizeof(char));
+		if (NULL == service_name) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_name, strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_NAME, ".", (engine_id + 10));
+	}
+
+	buxton_value_free(bux_val);
+	buxton_free_layer(bux_layer);
+	buxton_close(bux_cli);
+
+	bux_cli = NULL;
+	bux_layer = NULL;
+	bux_val = NULL;
+
+	SLOG(LOG_DEBUG, TAG_STTC, "[get_service_name] FINISH!! service name: %s", service_name);
+
+	return service_name;
+}
+
+char* __stt_get_service_object(char* engine_id)
+{
+	char* service_object = NULL;
+	const char* engine_default = NULL;
+
+	struct buxton_client * bux_cli;
+	struct buxton_layer * bux_layer;
+	struct buxton_value * bux_val;
+
+	int ret = buxton_open(&bux_cli, NULL, NULL);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
+		return NULL;
+	}
+	bux_layer = buxton_create_layer("system");
+	if (NULL == bux_layer) {
+		SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
+		buxton_close(bux_cli);
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	bux_val = buxton_value_create_string("stt-engine-default");
+	if (NULL == bux_val) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+		bux_layer = NULL;
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	ret = buxton_value_get_string(bux_val, &engine_default);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get string, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
+
+	if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
+		service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
+		if (NULL == service_object) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", STT_SERVER_SERVICE_OBJECT_PATH);
+	} else {
+		service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_id) - 8, sizeof(char));
+		if (NULL == service_object) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_OBJECT_PATH, "/", (engine_id + 10));
+	}
+
+	buxton_value_free(bux_val);
+	buxton_free_layer(bux_layer);
+	buxton_close(bux_cli);
+
+	bux_cli = NULL;
+	bux_layer = NULL;
+	bux_val = NULL;
+
+	SLOG(LOG_DEBUG, TAG_STTC, "[get_service_object] FINISH!! service object: %s", service_object);
+
+	return service_object;
+}
+
+char* __stt_get_service_interface(char* engine_id)
+{
+	char* service_interface = NULL;
+	const char* engine_default = NULL;
+
+	struct buxton_client * bux_cli;
+	struct buxton_layer * bux_layer;
+	struct buxton_value * bux_val;
+
+	int ret = buxton_open(&bux_cli, NULL, NULL);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
+		return NULL;
+	}
+	bux_layer = buxton_create_layer("system");
+	if (NULL == bux_layer) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_create_layer FAIL");
+		buxton_close(bux_cli);
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	bux_val = buxton_value_create_string("stt-engine-default");
+	if (NULL == bux_val) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+		bux_layer = NULL;
+		bux_cli = NULL;
+		return NULL;
+	}
+
+	ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	ret = buxton_value_get_string(bux_val, &engine_default);
+	if (0 != ret) {
+		SLOG(LOG_ERROR, TAG_STTC, "[DBUS-BUXTON2] Fail to get string, ret(%d)", ret);
+		buxton_value_free(bux_val);
+		buxton_free_layer(bux_layer);
+		buxton_close(bux_cli);
+
+		bux_cli = NULL;
+		bux_layer = NULL;
+		bux_val = NULL;
+		return NULL;
+	}
+	SLOG(LOG_DEBUG, TAG_STTC, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
+
+	if (NULL == engine_id || NULL == engine_default || 0 == strncmp(engine_id, engine_default, strlen(engine_id))) {
+		service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
+		if (NULL == service_interface) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + 1, "%s", STT_SERVER_SERVICE_INTERFACE);
+	} else {
+		service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_id) - 8, sizeof(char));
+		if (NULL == service_interface) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Memory allocation Failed!!");
+			buxton_value_free(bux_val);
+			buxton_free_layer(bux_layer);
+			buxton_close(bux_cli);
+
+			bux_cli = NULL;
+			bux_layer = NULL;
+			bux_val = NULL;
+			return NULL;
+		}
+		snprintf(service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_id) - 8, "%s%s%s", STT_SERVER_SERVICE_INTERFACE, ".", (engine_id + 10));
+	}
+
+	char* ret_char = strchr(service_interface, '-');
+	while (NULL != ret_char) {
+		ret_char[0] = '_';
+		ret_char = strchr(service_interface, '-');
+	}
+
+	buxton_value_free(bux_val);
+	buxton_free_layer(bux_layer);
+	ret = buxton_close(bux_cli);
+
+	bux_cli = NULL;
+	bux_layer = NULL;
+	bux_val = NULL;
+
+	SLOG(LOG_DEBUG, TAG_STTC, "[get_service_interface] FINISH!! service interface: %s", service_interface);
+
+	return service_interface;
+}
+
+
 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 {
 	if (NULL == g_conn_listener)	return ECORE_CALLBACK_RENEW;
@@ -150,7 +472,7 @@ static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handle
 				dbus_error_free(&err);
 			}
 
-			SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set volume : uid(%d), volume(%f)", uid, volume); 
+			SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set volume : uid(%d), volume(%f)", uid, volume);
 			__stt_cb_set_volume(uid, volume);
 
 			/* SLOG(LOG_DEBUG, TAG_STTC, "====="); */
@@ -267,6 +589,52 @@ static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handle
 			SLOG(LOG_DEBUG, TAG_STTC, " ");
 		} /* STTD_METHOD_ERROR */
 
+		else if (dbus_message_is_signal(msg, if_name, STTD_METHOD_SPEECH_STATUS)) {
+			SLOG(LOG_DEBUG, TAG_STTC, "===== Speech status");
+			int uid = 0;
+			int status = -1;
+
+			dbus_message_get_args(msg, &err,
+				DBUS_TYPE_INT32, &uid,
+				DBUS_TYPE_INT32, &status,
+				DBUS_TYPE_INVALID);
+
+			if (dbus_error_is_set(&err)) {
+				SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Get arguments error (%s)", err.message);
+				dbus_error_free(&err);
+			}
+
+			if (uid > 0 && status >= 0) {
+				SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt speech status : uid(%d), status(%d)", uid, status);
+				__stt_cb_speech_status(uid, status);
+			} else {
+				SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set status : invalid uid or status");
+			}
+
+			SLOG(LOG_DEBUG, TAG_STTC, "=====");
+			SLOG(LOG_DEBUG, TAG_STTC, " ");
+		} /* STTD_METHOD_SPEECH_STATUS */
+
+		else if (dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameOwnerChanged")) {
+			SLOG(LOG_DEBUG, TAG_STTC, "===== Owner Changed");
+			DBusError err;
+			dbus_error_init(&err);
+
+			/* remove a rule for daemon error */
+			char rule_err[256] = {0, };
+			snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_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_STTC, "Match Error (%s)", err.message);
+				dbus_error_free(&err);
+			}
+
+			__stt_cb_error(-1, STT_ERROR_SERVICE_RESET, "Daemon Reset");
+			SLOG(LOG_DEBUG, TAG_STTC, "=====");
+			SLOG(LOG_DEBUG, TAG_STTC, " ");
+		} /* NameOwnerChanged */
+
 		else {
 			SLOG(LOG_DEBUG, TAG_STTC, "Message is NOT valid");
 			dbus_message_unref(msg);
@@ -293,10 +661,12 @@ int stt_dbus_open_connection()
 	dbus_error_init(&err);
 
 	/* connect to the DBUS system bus, and check for errors */
-	g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
-	if (dbus_error_is_set(&err)) {
-		SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Dbus Connection Error (%s)", err.message);
-		dbus_error_free(&err);
+	if (NULL == g_conn_sender) {
+		g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
+		if (dbus_error_is_set(&err)) {
+			SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Dbus Connection Error (%s)", err.message);
+			dbus_error_free(&err);
+		}
 	}
 
 	if (NULL == g_conn_sender) {
@@ -307,11 +677,12 @@ int stt_dbus_open_connection()
 	dbus_connection_set_exit_on_disconnect(g_conn_sender, false);
 
 	/* connect to the DBUS system bus, and check for errors */
-	g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
-
-	if (dbus_error_is_set(&err)) { 
-		SLOG(LOG_ERROR, TAG_STTC, "Dbus Connection Error (%s)", err.message); 
-		dbus_error_free(&err);
+	if (NULL == g_conn_listener) {
+		g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
+		if (dbus_error_is_set(&err)) {
+			SLOG(LOG_ERROR, TAG_STTC, "Dbus Connection Error (%s)", err.message);
+			dbus_error_free(&err);
+		}
 	}
 
 	if (NULL == g_conn_listener) {
@@ -331,8 +702,8 @@ int stt_dbus_open_connection()
 	dbus_bus_request_name(g_conn_listener, service_name, DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
 
 	if (dbus_error_is_set(&err)) {
-		SLOG(LOG_ERROR, TAG_STTC, "Name Error (%s)", err.message); 
-		dbus_error_free(&err); 
+		SLOG(LOG_ERROR, TAG_STTC, "Name Error (%s)", err.message);
+		dbus_error_free(&err);
 	}
 
 	char rule[128] = {0, };
@@ -390,9 +761,14 @@ int stt_dbus_close_connection()
 	dbus_connection_close(g_conn_sender);
 	dbus_connection_close(g_conn_listener);
 
+	dbus_connection_unref(g_conn_sender);
+	dbus_connection_unref(g_conn_listener);
+
 	g_conn_sender = NULL;
 	g_conn_listener = NULL;
 
+	__stt_dbus_service_free();
+
 	return 0;
 }
 
@@ -417,28 +793,108 @@ int stt_dbus_reconnect()
 	return 0;
 }
 
-int stt_dbus_request_hello()
+void __stt_dbus_service_free()
 {
-	DBusMessage* msg;
-
-	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
-		STT_METHOD_HELLO);
-
-	if (NULL == msg) {
-		SLOG(LOG_ERROR, TAG_STTC, ">>>> Request stt hello : Fail to make message");
-		return STT_ERROR_OPERATION_FAILED;
+	if (NULL != g_server_service_name) {
+		free(g_server_service_name);
+		g_server_service_name = NULL;
+	}
+	if (NULL != g_server_service_object) {
+		free(g_server_service_object);
+		g_server_service_object = NULL;
+	}
+	if (NULL != g_server_service_interface) {
+		free(g_server_service_interface);
+		g_server_service_interface = NULL;
 	}
+}
+
+int stt_dbus_request_hello(int uid)
+{
+	stt_client_s* client = stt_client_get_by_uid(uid);
 
+	/* Check whether there is any dbus whose name has owner or not */
+	dbus_bool_t is_exist = FALSE;
 	DBusError err;
 	dbus_error_init(&err);
 
+	DBusMessage* msg = NULL;
 	DBusMessage* result_msg = NULL;
 	int result = 0;
 
 	if (g_conn_sender) {
+		if (NULL != client) {
+			__stt_dbus_service_free();
+
+			if (NULL == client->current_engine_id) {
+				/* Default engine */
+				g_server_service_name = strdup(STT_SERVER_SERVICE_NAME);
+				if (NULL == g_server_service_name) {
+					SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
+					return STT_ERROR_OUT_OF_MEMORY;
+				}
+				g_server_service_object = strdup(STT_SERVER_SERVICE_OBJECT_PATH);
+				if (NULL == g_server_service_name) {
+					SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
+					return STT_ERROR_OUT_OF_MEMORY;
+				}
+				g_server_service_interface = strdup(STT_SERVER_SERVICE_INTERFACE);
+				if (NULL == g_server_service_name) {
+					SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to allocate memory");
+					return STT_ERROR_OUT_OF_MEMORY;
+				}
+
+				msg = dbus_message_new_method_call(
+					STT_SERVER_SERVICE_NAME,
+					STT_SERVER_SERVICE_OBJECT_PATH,
+					STT_SERVER_SERVICE_INTERFACE,
+					STT_METHOD_HELLO);
+			} else {
+				/* Get service name, object, interface */
+				SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] current_engine_id: %s", client->current_engine_id);
+
+				g_server_service_name = __stt_get_service_name(client->current_engine_id);
+				g_server_service_object = __stt_get_service_object(client->current_engine_id);
+				g_server_service_interface = __stt_get_service_interface(client->current_engine_id);
+
+				if (NULL == g_server_service_name || NULL == g_server_service_object || NULL == g_server_service_interface) {
+					SLOG(LOG_ERROR, TAG_STTC, "[ERROR] dbus service info invalid");
+					return STT_ERROR_OPERATION_FAILED;
+				}
+
+				SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] service name: %s, object path: %s, interface: %s", g_server_service_name, g_server_service_object, g_server_service_interface);
+
+				/* Custom engine */
+				is_exist = dbus_bus_name_has_owner(g_conn_sender, g_server_service_name, &err);
+				SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] is there dbus name has owner??: %s (g_server_service_name: %s)", (is_exist == TRUE) ? "True" : "False", g_server_service_name);
+
+				if (TRUE == is_exist) {
+					SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] dbus: is_exist: True");
+					msg = dbus_message_new_method_call(
+						g_server_service_name,
+						g_server_service_object,
+						g_server_service_interface,
+						STT_METHOD_HELLO);
+				} else {
+					SLOG(LOG_DEBUG, TAG_STTC, "[DBUS] dbus: is_exist: False");
+					msg = dbus_message_new_method_call(
+						STT_SERVER_CUSTOM_SERVICE_NAME, 
+						STT_SERVER_CUSTOM_SERVICE_OBJECT_PATH, 
+						STT_SERVER_CUSTOM_SERVICE_INTERFACE, 
+						STT_METHOD_HELLO);
+				}
+			}
+		}
+	}
+
+	if (NULL == msg) {
+//		SLOG(LOG_ERROR, TAG_STTC, ">>>> Request stt hello : Fail to make message");
+		result = stt_dbus_reconnect();
+		if (0 != result)
+			return STT_ERROR_OPERATION_FAILED;
+	}
+
+	if (g_conn_sender) {
 		result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_short_time, &err);
 		dbus_message_unref(msg);
 		if (dbus_error_is_set(&err)) {
@@ -460,11 +916,11 @@ int stt_dbus_request_hello()
 				dbus_error_free(&err);
 			}
 
-			SLOG(LOG_ERROR, TAG_STTC, "STT_ERROR_TIME_OUT");
 			result = STT_ERROR_TIMED_OUT;
 		}
 	} else {
 		SLOG(LOG_WARN, TAG_STTC, "[WARN] dbus connection handle is null (%p)", g_conn_sender);
+		stt_dbus_reconnect();
 		result = STT_ERROR_OPERATION_FAILED;
 	}
 
@@ -477,9 +933,9 @@ int stt_dbus_request_initialize(int uid, bool* silence_supported, bool* credenti
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name,
+		g_server_service_object,
+		g_server_service_interface,
 		STT_METHOD_INITIALIZE);
 
 	if (NULL == msg) {
@@ -510,12 +966,17 @@ int stt_dbus_request_initialize(int uid, bool* silence_supported, bool* credenti
 		}
 
 		if (NULL != result_msg) {
+			int int_silence_supported = 0;
+			int int_credential_needed = 0;
 			dbus_message_get_args(result_msg, &err,
 				DBUS_TYPE_INT32, &result,
-				DBUS_TYPE_INT32, silence_supported,
-				DBUS_TYPE_INT32, credential_needed,
+				DBUS_TYPE_INT32, &int_silence_supported,
+				DBUS_TYPE_INT32, &int_credential_needed,
 				DBUS_TYPE_INVALID);
 
+			*silence_supported = (bool)(int_silence_supported);
+			*credential_needed = (bool)(int_credential_needed);
+
 			if (dbus_error_is_set(&err)) {
 				SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
 				dbus_error_free(&err);
@@ -525,6 +986,18 @@ int stt_dbus_request_initialize(int uid, bool* silence_supported, bool* credenti
 			if (0 == result) {
 				SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt initialize : result = %d, silence(%d), credential(%d)",
 					result, *silence_supported, *credential_needed);
+
+				/* add a rule for daemon error */
+				char rule_err[256] = {0, };
+				snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_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_STTC, "Match Error (%s)", err.message);
+					dbus_error_free(&err);
+					return STT_ERROR_OPERATION_FAILED;
+				}
 			} else {
 				SLOG(LOG_ERROR, TAG_STTC, "<<<< stt initialize : result = %d", result);
 			}
@@ -547,10 +1020,25 @@ int stt_dbus_request_finalize(int uid)
 {
 	DBusMessage* msg;
 
+	DBusError err;
+	dbus_error_init(&err);
+
+	/* remove a rule for daemon error */
+	char rule_err[256] = {0, };
+	snprintf(rule_err, 256, "sender='org.freedesktop.DBus',path='/org/freedesktop/DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',type='signal',arg0='%s'", g_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_STTC, "Match Error (%s)", err.message);
+		dbus_error_free(&err);
+	}
+
+	SLOG(LOG_DEBUG, TAG_STTC, "[dbus_info] service name: %s, service object: %s, service interface: %s", g_server_service_name, g_server_service_object, g_server_service_interface);
+
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_FINALIZE);
 
 	if (NULL == msg) {
@@ -562,9 +1050,6 @@ int stt_dbus_request_finalize(int uid)
 
 	dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
 
-	DBusError err;
-	dbus_error_init(&err);
-
 	DBusMessage* result_msg;
 	int result = STT_ERROR_OPERATION_FAILED;
 
@@ -607,16 +1092,17 @@ int stt_dbus_request_set_current_engine(int uid, const char* engine_id, bool* si
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_SET_CURRENT_ENGINE);
 
+
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set engine : Fail to make message");
 		return STT_ERROR_OPERATION_FAILED;
 	} else {
-		SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set engine : uid(%d)", uid);
+		SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt set engine : uid(%d), engine_id(%s)", uid, (NULL == engine_id) ? "NULL" : engine_id);
 	}
 
 	dbus_message_append_args(msg,
@@ -638,15 +1124,21 @@ int stt_dbus_request_set_current_engine(int uid, const char* engine_id, bool* si
 	}
 
 	if (NULL != result_msg) {
+		int int_silence_supported = 0;
+		int int_credential_needed = 0;
+
 		dbus_message_get_args(result_msg, &err, 
 			DBUS_TYPE_INT32, &result, 
-			DBUS_TYPE_INT32, silence_supported,
-			DBUS_TYPE_INT32, credential_needed,
+			DBUS_TYPE_INT32, &int_silence_supported,
+			DBUS_TYPE_INT32, &int_credential_needed,
 			DBUS_TYPE_INVALID);
 
+		*silence_supported = (bool)(int_silence_supported);
+		*credential_needed = (bool)(int_credential_needed);
+
 		if (dbus_error_is_set(&err)) {
 			SLOG(LOG_ERROR, TAG_STTC, "<<<< Get arguments error (%s)", err.message);
-			dbus_error_free(&err); 
+			dbus_error_free(&err);
 			result = STT_ERROR_OPERATION_FAILED;
 		}
 
@@ -677,9 +1169,9 @@ int stt_dbus_request_check_app_agreed(int uid, const char* appid, bool* value)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_CHECK_APP_AGREED);
 
 	if (NULL == msg) {
@@ -746,9 +1238,9 @@ int stt_dbus_request_get_support_langs(int uid, stt_h stt, stt_supported_languag
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_GET_SUPPORT_LANGS);
 
 	if (NULL == msg) {
@@ -831,9 +1323,9 @@ int stt_dbus_request_get_default_lang(int uid, char** language)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME, 
-		STT_SERVER_SERVICE_OBJECT_PATH, 
-		STT_SERVER_SERVICE_INTERFACE, 
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_GET_CURRENT_LANG);
 
 	if (NULL == msg) {
@@ -889,6 +1381,152 @@ int stt_dbus_request_get_default_lang(int uid, char** language)
 	return result;
 }
 
+int stt_dbus_request_set_private_data(int uid, const char* key, const char* data)
+{
+	if (NULL == key || NULL == data) {
+		SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
+		return STT_ERROR_INVALID_PARAMETER;
+	}
+
+	DBusMessage* msg;
+
+	msg = dbus_message_new_method_call(
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_SET_PRIVATE_DATA);
+
+	if (NULL == msg) {
+		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set private data : Fail to make message");
+		return STT_ERROR_OPERATION_FAILED;
+	} else {
+		SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt 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)) {
+		SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to append args");
+		return STT_ERROR_OPERATION_FAILED;
+	}
+
+	DBusError err;
+	dbus_error_init(&err);
+
+	DBusMessage* result_msg;
+	int result = STT_ERROR_OPERATION_FAILED;
+
+	result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
+	dbus_message_unref(msg);
+	if (dbus_error_is_set(&err)) {
+		SLOG(LOG_ERROR, TAG_STTC, "[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_STTC, "<<<< Get arguments error (%s)", err.message);
+			dbus_error_free(&err);
+			result = STT_ERROR_OPERATION_FAILED;
+		}
+		dbus_message_unref(result_msg);
+
+		if (0 == result) {
+			SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt set private data : result = %d", result);
+		} else {
+			SLOG(LOG_ERROR, TAG_STTC, "<<<< stt set private data : result = %d", result);
+		}
+	} else {
+		SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
+		stt_dbus_reconnect();
+		result = STT_ERROR_TIMED_OUT;
+	}
+
+	return result;
+}
+
+int stt_dbus_request_get_private_data(int uid, const char* key, char** data)
+{
+	if (NULL == key || NULL == data) {
+		SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
+		return STT_ERROR_INVALID_PARAMETER;
+	}
+
+	DBusMessage* msg;
+
+	msg = dbus_message_new_method_call(
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_GET_PRIVATE_DATA);
+
+	if (NULL == msg) {
+		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt get private data : Fail to make message");
+		return STT_ERROR_OPERATION_FAILED;
+	} else {
+		SLOG(LOG_DEBUG, TAG_STTC, ">>>> stt get private data : uid(%d)", uid);
+	}
+
+	if (true != dbus_message_append_args(msg,
+			DBUS_TYPE_INT32, &uid,
+			DBUS_TYPE_STRING, &key,
+			DBUS_TYPE_INVALID)) {
+		SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to append args");
+		return STT_ERROR_OPERATION_FAILED;
+	}
+
+	DBusError err;
+	dbus_error_init(&err);
+
+	DBusMessage* result_msg;
+	int result = STT_ERROR_OPERATION_FAILED;
+
+	result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
+	dbus_message_unref(msg);
+	if (dbus_error_is_set(&err)) {
+		SLOG(LOG_ERROR, TAG_STTC, "[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_STTC, "<<<< Get arguments error (%s)", err.message);
+			dbus_error_free(&err);
+			result = STT_ERROR_OPERATION_FAILED;
+		}
+		dbus_message_unref(result_msg);
+
+		if (0 == result) {
+			SLOG(LOG_DEBUG, TAG_STTC, "<<<< stt get private data : result = %d", result);
+			if (NULL != temp) {
+				*data = strdup(temp);
+			}
+		} else {
+			SLOG(LOG_ERROR, TAG_STTC, "<<<< stt get private data : result = %d", result);
+		}
+	} else {
+		SLOG(LOG_ERROR, TAG_STTC, "<<<< Result message is NULL");
+		stt_dbus_reconnect();
+		result = STT_ERROR_TIMED_OUT;
+	}
+
+	return result;
+}
+
+
+
 int stt_dbus_request_is_recognition_type_supported(int uid, const char* type, bool* support)
 {
 	if (NULL == support || NULL == type) {
@@ -899,10 +1537,10 @@ int stt_dbus_request_is_recognition_type_supported(int uid, const char* type, bo
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		   STT_SERVER_SERVICE_NAME, 
-		   STT_SERVER_SERVICE_OBJECT_PATH, 
-		   STT_SERVER_SERVICE_INTERFACE, 
-		   STT_METHOD_IS_TYPE_SUPPORTED);
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_IS_TYPE_SUPPORTED);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt is partial result supported : Fail to make message");
@@ -968,10 +1606,10 @@ int stt_dbus_request_set_start_sound(int uid, const char* file)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		   STT_SERVER_SERVICE_NAME, 
-		   STT_SERVER_SERVICE_OBJECT_PATH, 
-		   STT_SERVER_SERVICE_INTERFACE, 
-		   STT_METHOD_SET_START_SOUND);
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_SET_START_SOUND);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set start sound : Fail to make message");
@@ -1029,10 +1667,10 @@ int stt_dbus_request_unset_start_sound(int uid)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		   STT_SERVER_SERVICE_NAME, 
-		   STT_SERVER_SERVICE_OBJECT_PATH, 
-		   STT_SERVER_SERVICE_INTERFACE, 
-		   STT_METHOD_UNSET_START_SOUND);
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_UNSET_START_SOUND);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt unset start sound : Fail to make message");
@@ -1094,10 +1732,10 @@ int stt_dbus_request_set_stop_sound(int uid, const char* file)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		   STT_SERVER_SERVICE_NAME, 
-		   STT_SERVER_SERVICE_OBJECT_PATH, 
-		   STT_SERVER_SERVICE_INTERFACE, 
-		   STT_METHOD_SET_STOP_SOUND);
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_SET_STOP_SOUND);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt set stop sound : Fail to make message");
@@ -1155,10 +1793,10 @@ int stt_dbus_request_unset_stop_sound(int uid)
 	DBusMessage* msg;
 
 	msg = dbus_message_new_method_call(
-		   STT_SERVER_SERVICE_NAME, 
-		   STT_SERVER_SERVICE_OBJECT_PATH, 
-		   STT_SERVER_SERVICE_INTERFACE, 
-		   STT_METHOD_UNSET_STOP_SOUND);
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_UNSET_STOP_SOUND);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt unset stop sound : Fail to make message");
@@ -1221,9 +1859,9 @@ int stt_dbus_request_start(int uid, const char* lang, const char* type, int sile
 
 	/* create a signal & check for errors */
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME,
-		STT_SERVER_SERVICE_OBJECT_PATH,
-		STT_SERVER_SERVICE_INTERFACE,
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_START);
 
 	if (NULL == msg) {
@@ -1326,9 +1964,9 @@ int stt_dbus_request_stop(int uid)
 
 	/* create a signal & check for errors */
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME,
-		STT_SERVER_SERVICE_OBJECT_PATH,	
-		STT_SERVER_SERVICE_INTERFACE,	
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
 		STT_METHOD_STOP);
 
 	if (NULL == msg) {
@@ -1406,10 +2044,10 @@ int stt_dbus_request_cancel(int uid)
 
 	/* create a signal & check for errors */
 	msg = dbus_message_new_method_call(
-		STT_SERVER_SERVICE_NAME,
-		STT_SERVER_SERVICE_OBJECT_PATH,	/* object name of the signal */
-		STT_SERVER_SERVICE_INTERFACE,	/* interface name of the signal */
-		STT_METHOD_CANCEL);	/* name of the signal */
+		g_server_service_name, 
+		g_server_service_object, 
+		g_server_service_interface, 
+		STT_METHOD_CANCEL);
 
 	if (NULL == msg) {
 		SLOG(LOG_ERROR, TAG_STTC, ">>>> stt cancel : Fail to make message");