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 !");
135 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), state(%d)", uid, state);
136 dbus_connection_flush(g_conn_sender);
139 dbus_connection_flush(g_conn_sender);
140 dbus_message_unref(msg);
144 int sttdc_send_get_state(int uid, int* state)
146 int pid = sttd_client_get_pid(uid);
149 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
153 char service_name[64];
154 memset(service_name, 0, 64);
155 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
157 char target_if_name[128];
158 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
162 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send get state message : uid(%d)", uid);
164 msg = dbus_message_new_method_call(
166 STT_CLIENT_SERVICE_OBJECT_PATH,
168 STTD_METHOD_GET_STATE);
171 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
175 dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
178 dbus_error_init(&err);
180 DBusMessage* result_msg;
184 result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
185 dbus_message_unref(msg);
186 if (dbus_error_is_set(&err)) {
187 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Send error (%s)", err.message);
188 dbus_error_free(&err);
191 if (NULL != result_msg) {
192 dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &tmp, DBUS_TYPE_INVALID);
194 if (dbus_error_is_set(&err)) {
195 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)\n", err.message);
196 dbus_error_free(&err);
203 dbus_message_unref(result_msg);
205 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
212 int sttdc_send_result(int uid, int event, const char** data, int data_count, const char* result_msg)
214 int pid = sttd_client_get_pid(uid);
216 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid" );
217 return STTD_ERROR_INVALID_PARAMETER;
220 char service_name[64];
221 memset(service_name, 0, 64);
222 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
224 char target_if_name[128];
225 memset(target_if_name, 0, 128);
226 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
228 DBusMessage* msg = NULL;
229 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), event(%d), result count(%d)", uid, event, data_count);
231 msg = dbus_message_new_method_call(
233 STT_CLIENT_SERVICE_OBJECT_PATH,
238 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
239 return STTD_ERROR_OUT_OF_MEMORY;
242 DBusMessageIter args;
243 dbus_message_iter_init_append(msg, &args);
245 /* Append uid & type */
246 dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &uid);
249 dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &event);
251 /* Append result msg */
252 if (NULL == result_msg) {
253 msg_temp = strdup("None");
254 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &msg_temp);
255 SLOG(LOG_WARN, TAG_STTD, "[Dbus] result message is NULL");
258 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result message(%s)", result_msg );
259 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(result_msg));
262 /* Append result size */
263 if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(data_count))) {
264 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result size");
269 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result size (%d)", data_count);
270 for (i = 0;i < data_count;i++) {
271 if (NULL != data[i]) {
272 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result (%d, %s)", i, data[i] );
274 if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &data[i])) {
275 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result data");
276 dbus_message_unref(msg);
277 return STTD_ERROR_OPERATION_FAILED;
280 int reason = (int)STTD_ERROR_OPERATION_FAILED;
282 if (0 != sttdc_send_error_signal(uid, reason, "Fail to get recognition result from engine")) {
283 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send error info. Remove client data");
285 /* clean client data */
286 sttd_client_delete(uid);
289 dbus_message_unref(msg);
290 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Result from engine is NULL(%d)", i);
291 return STTD_ERROR_OPERATION_FAILED;
295 dbus_message_set_no_reply(msg, TRUE);
297 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
298 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
301 dbus_connection_flush(g_conn_sender);
302 dbus_message_unref(msg);
307 int sttdc_send_error_signal(int uid, int reason, const char *err_msg)
309 if (NULL == err_msg) {
310 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Input parameter is NULL");
311 return STTD_ERROR_INVALID_PARAMETER;
314 int pid = sttd_client_get_pid(uid);
316 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid" );
317 return STTD_ERROR_INVALID_PARAMETER;
320 char service_name[64];
321 memset(service_name, 0, 64);
322 snprintf(service_name, 64, "%s", STT_CLIENT_SERVICE_NAME);
324 char target_if_name[128];
325 snprintf(target_if_name, sizeof(target_if_name), "%s", STT_CLIENT_SERVICE_INTERFACE);
327 DBusMessage* msg = NULL;
328 msg = dbus_message_new_method_call(
330 STT_CLIENT_SERVICE_OBJECT_PATH,
335 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
336 return STTD_ERROR_OUT_OF_MEMORY;
339 dbus_message_append_args(msg,
340 DBUS_TYPE_INT32, &uid,
341 DBUS_TYPE_INT32, &reason,
342 DBUS_TYPE_STRING, &err_msg,
345 if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
346 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] <<<< error message : Out Of Memory !");
348 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), reason(%d), err_msg(%s)", uid, reason, err_msg);
349 dbus_connection_flush(g_conn_sender);
352 dbus_message_unref(msg);
357 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
359 if (NULL == g_conn_listener) return ECORE_CALLBACK_RENEW;
361 dbus_connection_read_write_dispatch(g_conn_listener, 50);
363 DBusMessage* msg = NULL;
364 msg = dbus_connection_pop_message(g_conn_listener);
366 if (true != dbus_connection_get_is_connected(g_conn_listener)) {
367 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Connection is disconnected");
368 return ECORE_CALLBACK_RENEW;
371 /* loop again if we haven't read a message */
373 return ECORE_CALLBACK_RENEW;
377 if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_HELLO))
378 sttd_dbus_server_hello(g_conn_listener, msg);
380 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_INITIALIZE))
381 sttd_dbus_server_initialize(g_conn_listener, msg);
383 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_FINALIZE))
384 sttd_dbus_server_finalize(g_conn_listener, msg);
386 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_CURRENT_ENGINE))
387 sttd_dbus_server_set_current_engine(g_conn_listener, msg);
389 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_CHECK_APP_AGREED))
390 sttd_dbus_server_check_app_agreed(g_conn_listener, msg);
392 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_SUPPORT_LANGS))
393 sttd_dbus_server_get_support_lang(g_conn_listener, msg);
395 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_GET_CURRENT_LANG))
396 sttd_dbus_server_get_default_lang(g_conn_listener, msg);
398 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_IS_TYPE_SUPPORTED))
399 sttd_dbus_server_is_recognition_type_supported(g_conn_listener, msg);
402 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_START_SOUND))
403 sttd_dbus_server_set_start_sound(g_conn_listener, msg);
405 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_UNSET_START_SOUND))
406 sttd_dbus_server_unset_start_sound(g_conn_listener, msg);
408 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_SET_STOP_SOUND))
409 sttd_dbus_server_set_stop_sound(g_conn_listener, msg);
411 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_UNSET_STOP_SOUND))
412 sttd_dbus_server_unset_stop_sound(g_conn_listener, msg);
415 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_START))
416 sttd_dbus_server_start(g_conn_listener, msg);
418 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_STOP))
419 sttd_dbus_server_stop(g_conn_listener, msg);
421 else if (dbus_message_is_method_call(msg, STT_SERVER_SERVICE_INTERFACE, STT_METHOD_CANCEL))
422 sttd_dbus_server_cancel(g_conn_listener, msg);
425 /* free the message */
426 dbus_message_unref(msg);
428 return ECORE_CALLBACK_RENEW;
431 int sttd_dbus_open_connection()
434 dbus_error_init(&err);
438 /* Create connection for sender */
439 g_conn_sender = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
440 if (dbus_error_is_set(&err)) {
441 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
442 dbus_error_free(&err);
445 if (NULL == g_conn_sender) {
446 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection sender");
447 return STTD_ERROR_OPERATION_FAILED;
450 /* connect to the bus and check for errors */
451 g_conn_listener = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
453 if (dbus_error_is_set(&err)) {
454 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
455 dbus_error_free(&err);
458 if (NULL == g_conn_listener) {
459 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection" );
460 return STTD_ERROR_OPERATION_FAILED;
463 /* request our name on the bus and check for errors */
464 ret = dbus_bus_request_name(g_conn_listener, STT_SERVER_SERVICE_NAME, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
466 if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
467 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
468 return STTD_ERROR_OPERATION_FAILED;
471 if (dbus_error_is_set(&err)) {
472 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
473 dbus_error_free(&err);
474 return STTD_ERROR_OPERATION_FAILED;
477 /* add a rule for getting signal */
479 snprintf(rule, 128, "type='signal',interface='%s'", STT_SERVER_SERVICE_INTERFACE);
481 /* add a rule for which messages we want to see */
482 dbus_bus_add_match(g_conn_listener, rule, &err); /* see signals from the given interface */
483 dbus_connection_flush(g_conn_listener);
485 if (dbus_error_is_set(&err)) {
486 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
487 return STTD_ERROR_OPERATION_FAILED;
491 dbus_connection_get_unix_fd(g_conn_listener, &fd);
493 g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
494 if (NULL == g_dbus_fd_handler) {
495 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get fd handler");
496 return STTD_ERROR_OPERATION_FAILED;
502 int sttd_dbus_close_connection()
505 dbus_error_init(&err);
507 if (NULL != g_dbus_fd_handler) {
508 ecore_main_fd_handler_del(g_dbus_fd_handler);
509 g_dbus_fd_handler = NULL;
512 dbus_bus_release_name(g_conn_listener, STT_SERVER_SERVICE_NAME, &err);
514 if (dbus_error_is_set(&err)) {
515 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
516 dbus_error_free(&err);
519 g_conn_listener = NULL;
520 g_conn_sender = NULL;