2 * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd All Rights Reserved
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 * http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
15 #include <dbus/dbus.h>
18 #include "sttd_main.h"
19 #include "sttd_dbus.h"
20 #include "sttd_client_data.h"
21 #include "sttd_dbus_server.h"
24 static DBusConnection* g_conn_sender = NULL;
25 static DBusConnection* g_conn_listener = NULL;
27 static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
29 static int g_waiting_time = 3000;
32 int sttdc_send_hello(int uid)
34 int pid = sttd_client_get_pid(uid);
36 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
37 return STTD_ERROR_INVALID_PARAMETER;
40 char service_name[64];
41 memset(service_name, 0, 64);
42 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
44 char target_if_name[128];
45 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
47 DBusMessage* msg = NULL;
49 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send hello message : uid(%d)", uid);
51 msg = dbus_message_new_method_call(
53 STT_CLIENT_SERVICE_OBJECT_PATH,
58 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
59 return STTD_ERROR_OUT_OF_MEMORY;
62 dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
65 dbus_error_init(&err);
68 DBusMessage* result_msg = NULL;
69 result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
70 dbus_message_unref(msg);
71 if (dbus_error_is_set(&err)) {
72 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Send error (%s)", err.message);
73 dbus_error_free(&err);
76 if (NULL != result_msg) {
77 dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
79 if (dbus_error_is_set(&err)) {
80 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
81 dbus_error_free(&err);
85 dbus_message_unref(result_msg);
87 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
93 int sttdc_send_set_state(int uid, int state)
95 int pid = sttd_client_get_pid(uid);
98 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
102 char service_name[64];
103 memset(service_name, 0, 64);
104 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
106 char target_if_name[128];
107 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
111 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send change state message : uid(%d), state(%d)", uid, state);
113 msg = dbus_message_new_method_call(
115 STT_CLIENT_SERVICE_OBJECT_PATH,
117 STTD_METHOD_SET_STATE);
120 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
124 dbus_message_append_args(msg,
125 DBUS_TYPE_INT32, &uid,
126 DBUS_TYPE_INT32, &state,
129 dbus_message_set_no_reply(msg, TRUE);
131 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
132 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
134 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), state(%d)", uid, state);
135 dbus_connection_flush(g_conn_sender);
138 dbus_connection_flush(g_conn_sender);
139 dbus_message_unref(msg);
143 int sttdc_send_get_state(int uid, int* state)
145 int pid = sttd_client_get_pid(uid);
148 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
152 char service_name[64];
153 memset(service_name, 0, 64);
154 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
156 char target_if_name[128];
157 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
161 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send get state message : uid(%d)", uid);
163 msg = dbus_message_new_method_call(
165 STT_CLIENT_SERVICE_OBJECT_PATH,
167 STTD_METHOD_GET_STATE);
170 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
174 dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
177 dbus_error_init(&err);
179 DBusMessage* result_msg;
183 result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
184 dbus_message_unref(msg);
185 if (dbus_error_is_set(&err)) {
186 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Send error (%s)", err.message);
187 dbus_error_free(&err);
190 if (NULL != result_msg) {
191 dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &tmp, DBUS_TYPE_INVALID);
193 if (dbus_error_is_set(&err)) {
194 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
195 dbus_error_free(&err);
202 dbus_message_unref(result_msg);
204 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
211 int sttdc_send_result(int uid, int event, const char** data, int data_count, const char* result_msg)
213 int pid = sttd_client_get_pid(uid);
215 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
216 return STTD_ERROR_INVALID_PARAMETER;
219 char service_name[64];
220 memset(service_name, 0, 64);
221 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
223 char target_if_name[128];
224 memset(target_if_name, 0, 128);
225 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
227 DBusMessage* msg = NULL;
228 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), event(%d), result count(%d)", uid, event, data_count);
230 msg = dbus_message_new_method_call(
232 STT_CLIENT_SERVICE_OBJECT_PATH,
237 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
238 return STTD_ERROR_OUT_OF_MEMORY;
241 DBusMessageIter args;
242 dbus_message_iter_init_append(msg, &args);
244 /* Append uid & type */
245 dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &uid);
248 dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &event);
250 /* Append result msg */
251 if (NULL == result_msg) {
252 msg_temp = strdup("None");
253 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &msg_temp);
254 SLOG(LOG_WARN, TAG_STTD, "[Dbus] result message is NULL");
257 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result message(%s)", result_msg);
258 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(result_msg));
261 /* Append result size */
262 if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(data_count))) {
263 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result size");
268 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result size (%d)", data_count);
269 for (i = 0; i < data_count; i++) {
270 if (NULL != data[i]) {
271 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result (%d, %s)", i, data[i]);
273 if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &data[i])) {
274 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result data");
275 dbus_message_unref(msg);
276 return STTD_ERROR_OPERATION_FAILED;
279 int reason = (int)STTD_ERROR_OPERATION_FAILED;
281 if (0 != sttdc_send_error_signal(uid, reason, "Fail to get recognition result from engine")) {
282 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send error info. Remove client data");
284 /* clean client data */
285 sttd_client_delete(uid);
288 dbus_message_unref(msg);
289 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Result from engine is NULL(%d)", i);
290 return STTD_ERROR_OPERATION_FAILED;
294 dbus_message_set_no_reply(msg, TRUE);
296 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
297 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
300 dbus_connection_flush(g_conn_sender);
301 dbus_message_unref(msg);
306 int sttdc_send_error_signal(int uid, int reason, const char *err_msg)
308 if (NULL == err_msg) {
309 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Input parameter is NULL");
310 return STTD_ERROR_INVALID_PARAMETER;
313 int pid = sttd_client_get_pid(uid);
315 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
316 return STTD_ERROR_INVALID_PARAMETER;
319 char service_name[64];
320 memset(service_name, 0, 64);
321 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
323 char target_if_name[128];
324 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
326 DBusMessage* msg = NULL;
327 msg = dbus_message_new_method_call(
329 STT_CLIENT_SERVICE_OBJECT_PATH,
334 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
335 return STTD_ERROR_OUT_OF_MEMORY;
338 dbus_message_append_args(msg,
339 DBUS_TYPE_INT32, &uid,
340 DBUS_TYPE_INT32, &reason,
341 DBUS_TYPE_STRING, &err_msg,
344 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
345 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] <<<< error message : Out Of Memory !");
347 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), reason(%d), err_msg(%s)", uid, reason, err_msg);
348 dbus_connection_flush(g_conn_sender);
351 dbus_message_unref(msg);
356 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
358 if (NULL == g_conn_listener) return ECORE_CALLBACK_RENEW;
360 dbus_connection_read_write_dispatch(g_conn_listener, 50);
362 DBusMessage* msg = NULL;
363 msg = dbus_connection_pop_message(g_conn_listener);
365 if (true != dbus_connection_get_is_connected(g_conn_listener)) {
366 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Connection is disconnected");
367 return ECORE_CALLBACK_RENEW;
370 /* loop again if we haven't read a message */
372 return ECORE_CALLBACK_RENEW;
376 if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_HELLO))
377 sttd_dbus_server_hello(g_conn_listener, msg);
379 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_INITIALIZE))
380 sttd_dbus_server_initialize(g_conn_listener, msg);
382 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_FINALIZE))
383 sttd_dbus_server_finalize(g_conn_listener, msg);
385 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_CURRENT_ENGINE))
386 sttd_dbus_server_set_current_engine(g_conn_listener, msg);
388 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_CHECK_APP_AGREED))
389 sttd_dbus_server_check_app_agreed(g_conn_listener, msg);
391 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_SUPPORT_LANGS))
392 sttd_dbus_server_get_support_lang(g_conn_listener, msg);
394 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_CURRENT_LANG))
395 sttd_dbus_server_get_default_lang(g_conn_listener, msg);
397 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_IS_TYPE_SUPPORTED))
398 sttd_dbus_server_is_recognition_type_supported(g_conn_listener, msg);
401 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_START_SOUND))
402 sttd_dbus_server_set_start_sound(g_conn_listener, msg);
404 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_UNSET_START_SOUND))
405 sttd_dbus_server_unset_start_sound(g_conn_listener, msg);
407 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_STOP_SOUND))
408 sttd_dbus_server_set_stop_sound(g_conn_listener, msg);
410 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_UNSET_STOP_SOUND))
411 sttd_dbus_server_unset_stop_sound(g_conn_listener, msg);
414 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_START))
415 sttd_dbus_server_start(g_conn_listener, msg);
417 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_STOP))
418 sttd_dbus_server_stop(g_conn_listener, msg);
420 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_CANCEL))
421 sttd_dbus_server_cancel(g_conn_listener, msg);
424 /* free the message */
425 dbus_message_unref(msg);
427 return ECORE_CALLBACK_RENEW;
430 int sttd_dbus_open_connection()
433 dbus_error_init(&err);
437 /* Create connection for sender */
438 g_conn_sender = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
439 if (dbus_error_is_set(&err)) {
440 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
441 dbus_error_free(&err);
444 if (NULL == g_conn_sender) {
445 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection sender");
446 return STTD_ERROR_OPERATION_FAILED;
449 /* connect to the bus and check for errors */
450 g_conn_listener = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
452 if (dbus_error_is_set(&err)) {
453 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
454 dbus_error_free(&err);
457 if (NULL == g_conn_listener) {
458 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection");
459 return STTD_ERROR_OPERATION_FAILED;
462 /* request our name on the bus and check for errors */
463 ret = dbus_bus_request_name(g_conn_listener, STT_SERVER_SERVICE_NAME, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
465 if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
466 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
467 return STTD_ERROR_OPERATION_FAILED;
470 if (dbus_error_is_set(&err)) {
471 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
472 dbus_error_free(&err);
473 return STTD_ERROR_OPERATION_FAILED;
476 /* add a rule for getting signal */
478 snprintf(rule, 128, "type='signal',interface='%s'", STT_SERVER_SERVICE_INTERFACE);
480 /* add a rule for which messages we want to see */
481 dbus_bus_add_match(g_conn_listener, rule, &err); /* see signals from the given interface */
482 dbus_connection_flush(g_conn_listener);
484 if (dbus_error_is_set(&err)) {
485 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
486 return STTD_ERROR_OPERATION_FAILED;
490 dbus_connection_get_unix_fd(g_conn_listener, &fd);
492 g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
493 if (NULL == g_dbus_fd_handler) {
494 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get fd handler");
495 return STTD_ERROR_OPERATION_FAILED;
501 int sttd_dbus_close_connection()
504 dbus_error_init(&err);
506 if (NULL != g_dbus_fd_handler) {
507 ecore_main_fd_handler_del(g_dbus_fd_handler);
508 g_dbus_fd_handler = NULL;
511 dbus_bus_release_name(g_conn_listener, STT_SERVER_SERVICE_NAME, &err);
513 if (dbus_error_is_set(&err)) {
514 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
515 dbus_error_free(&err);
518 g_conn_listener = NULL;
519 g_conn_sender = NULL;