ac1ef0012572b1fe395e7a3c4c4a02180b13391e
[platform/core/uifw/stt.git] / server / sttd_dbus.c
1 /*
2 * Copyright (c) 2011-2016 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.
12 */
13
14
15 #include <dbus/dbus.h>
16 #include <Ecore.h>
17
18 #include "sttd_main.h"
19 #include "sttd_dbus.h"
20 #include "sttd_client_data.h"
21 #include "sttd_dbus_server.h"
22 #include "stt_defs.h"
23 #include <aul.h>
24 #include <vconf.h>
25 #include <buxton2.h>
26
27 static DBusConnection* g_conn_sender = NULL;
28 static DBusConnection* g_conn_listener = NULL;
29
30 static Ecore_Fd_Handler* g_dbus_fd_handler = NULL;
31
32 static int g_waiting_time = 3000;
33
34 static int g_internal_result_id = 0;
35
36 static char* g_server_service_name = NULL;
37 static char* g_server_service_object = NULL;
38 static char* g_server_service_interface = NULL;
39
40 void __sttd_dbus_service_free();
41
42 int sttdc_send_hello(int uid)
43 {
44         int pid = sttd_client_get_pid(uid);
45         if (0 > pid) {
46                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
47                 return STTD_ERROR_INVALID_PARAMETER;
48         }
49
50         char service_name[64];
51         memset(service_name, 0, 64);
52         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
53
54         char target_if_name[128];
55         snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
56
57         DBusMessage* msg = NULL;
58
59         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send hello message : uid(%d)", uid);
60
61         msg = dbus_message_new_method_call(
62                 service_name,
63                 STT_CLIENT_SERVICE_OBJECT_PATH,
64                 target_if_name,
65                 STTD_METHOD_HELLO);
66
67         if (NULL == msg) {
68                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
69                 return STTD_ERROR_OUT_OF_MEMORY;
70         }
71
72         dbus_message_append_args(msg, DBUS_TYPE_INT32, &uid, DBUS_TYPE_INVALID);
73
74         DBusError err;
75         dbus_error_init(&err);
76         int result = -1;
77
78         DBusMessage* result_msg = NULL;
79         result_msg = dbus_connection_send_with_reply_and_block(g_conn_sender, msg, g_waiting_time, &err);
80         dbus_message_unref(msg);
81         if (dbus_error_is_set(&err)) {
82                 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Send error (%s)", err.message);
83                 if (NULL != err.name) {
84                         if (!strcmp(err.name, DBUS_ERROR_SERVICE_UNKNOWN)) {
85                                 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] Unknown service. Client is not available");
86                                 dbus_error_free(&err);
87                                 return 0;
88                         }
89                 }
90                 dbus_error_free(&err);
91         }
92
93         if (NULL != result_msg) {
94                 dbus_message_get_args(result_msg, &err, DBUS_TYPE_INT32, &result, DBUS_TYPE_INVALID);
95
96                 if (dbus_error_is_set(&err)) {
97                         SLOG(LOG_ERROR, TAG_STTD, "[Dbus] Get arguments error (%s)", err.message);
98                         dbus_error_free(&err);
99                 }
100
101                 dbus_message_unref(result_msg);
102         } else {
103                 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Result message is NULL. Client is not available");
104         }
105
106         return result;
107 }
108
109 int sttdc_send_set_volume(int uid, float volume)
110 {
111         int pid = sttd_client_get_pid(uid);
112
113         if (0 > pid) {
114                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
115                 return -1;
116         }
117
118         char service_name[64];
119         memset(service_name, 0, 64);
120         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
121
122         char target_if_name[128];
123         snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
124
125         DBusMessage* msg;
126
127         /* SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] Send set volume : uid(%d), volume(%f) volume size(%d)", uid, volume, sizeof(float)); */
128
129         msg = dbus_message_new_signal(
130                 STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
131                 target_if_name,                 /* interface name of the signal */
132                 STTD_METHOD_SET_VOLUME);        /* name of the signal */
133
134         if (NULL == msg) {
135                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
136                 return -1;
137         }
138
139         dbus_message_append_args(msg,
140                 DBUS_TYPE_INT32, &uid,
141                 DBUS_TYPE_INT32, &volume,
142                 DBUS_TYPE_INVALID);
143
144         if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
145                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send message : Out Of Memory !");
146         } else {
147                 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send set volume : uid(%d), volume(%f)", uid, volume);
148                 dbus_connection_flush(g_conn_sender);
149         }
150
151         dbus_message_unref(msg);
152
153         return 0;
154 }
155
156 int sttdc_send_set_state(int uid, int state)
157 {
158         int pid = sttd_client_get_pid(uid);
159
160         if (0 > pid) {
161                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
162                 return -1;
163         }
164
165         char service_name[64];
166         memset(service_name, 0, 64);
167         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
168
169         char target_if_name[128];
170         snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
171
172         DBusMessage* msg = NULL;
173         msg = dbus_message_new_signal(
174                 STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
175                 target_if_name,                 /* interface name of the signal */
176                 STTD_METHOD_SET_STATE);         /* name of the signal */
177
178         if (NULL == msg) {
179                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
180                 return -1;
181         }
182
183         dbus_message_append_args(msg,
184                 DBUS_TYPE_INT32, &uid,
185                 DBUS_TYPE_INT32, &state,
186                 DBUS_TYPE_INVALID);
187
188         if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
189                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send change state message : Out Of Memory !");
190         } else {
191                 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send change state message : uid(%d), state(%d)", uid, state);
192                 dbus_connection_flush(g_conn_sender);
193         }
194
195         dbus_message_unref(msg);
196
197         return 0;
198 }
199
200 int sttdc_send_result(int uid, int event, const char** data, int data_count, const char* result_msg)
201 {
202         int pid = sttd_client_get_pid(uid);
203         if (0 > pid) {
204                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
205                 return STTD_ERROR_INVALID_PARAMETER;
206         }
207
208         char service_name[64];
209         memset(service_name, 0, 64);
210         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
211
212         char target_if_name[128];
213         memset(target_if_name, 0, 128);
214         snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
215
216         DBusMessage* msg = NULL;
217         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] send result signal : uid(%d), event(%d), result count(%d) result id(%d)", 
218                 uid, event, data_count, g_internal_result_id);
219
220         msg = dbus_message_new_signal(
221                 STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
222                 target_if_name,                 /* interface name of the signal */
223                 STTD_METHOD_RESULT);            /* name of the signal */
224
225         if (NULL == msg) {
226                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
227                 return STTD_ERROR_OUT_OF_MEMORY;
228         }
229
230         DBusMessageIter args;
231         dbus_message_iter_init_append(msg, &args);
232
233         /* Append uid & type */
234         dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &uid);
235
236         char* msg_temp;
237         dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &event);
238
239         /* Append result msg */
240         if (NULL == result_msg) {
241                 msg_temp = strdup("None");
242                 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &msg_temp);
243                 SLOG(LOG_WARN, TAG_STTD, "[Dbus] result message is NULL");
244                 free(msg_temp);
245         } else {
246                 SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result message(%s)", result_msg);
247                 dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &(result_msg));
248         }
249
250         /* Append result size */
251         if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(data_count))) {
252                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result size");
253                 dbus_message_unref(msg);
254                 return -1;
255         }
256
257         if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_INT32, &(g_internal_result_id))) {
258                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append internal result id");
259                 dbus_message_unref(msg);
260                 return -1;
261         }
262
263         g_internal_result_id++;
264
265         if (10000 == g_internal_result_id) {
266                 g_internal_result_id = 1;
267         }
268
269         int i;
270         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result size (%d)", data_count);
271         for (i = 0; i < data_count; i++) {
272                 if (NULL != data[i]) {
273                         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] result (%d, %s)", i, data[i]);
274
275                         if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &data[i])) {
276                                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus] response message : Fail to append result data");
277                                 dbus_message_unref(msg);
278                                 return STTD_ERROR_OPERATION_FAILED;
279                         }
280                 } else {
281                         int reason = (int)STTD_ERROR_OPERATION_FAILED;
282
283                         if (0 != sttdc_send_error_signal(uid, reason, "Fail to get recognition result from engine")) {
284                                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to send error info. Remove client data");
285
286                                 /* clean client data */
287                                 sttd_client_delete(uid);
288                         }
289
290                         dbus_message_unref(msg);
291                         SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Result from engine is NULL(%d)", i);
292                         return STTD_ERROR_OPERATION_FAILED;
293                 }
294         }
295
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 !");
298         }
299
300         dbus_connection_flush(g_conn_sender);
301         dbus_message_unref(msg);
302
303         return 0;
304 }
305
306 int sttdc_send_error_signal(int uid, int reason, const char *err_msg)
307 {
308         if (NULL == err_msg) {
309                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Input parameter is NULL");
310                 return STTD_ERROR_INVALID_PARAMETER;
311         }
312
313         int pid = sttd_client_get_pid(uid);
314         if (0 > pid) {
315                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] pid is NOT valid");
316                 return STTD_ERROR_INVALID_PARAMETER;
317         }
318
319         char service_name[64];
320         memset(service_name, 0, 64);
321         snprintf(service_name, 64, "%s%d", STT_CLIENT_SERVICE_NAME, pid);
322
323         char target_if_name[128];
324         snprintf(target_if_name, sizeof(target_if_name), "%s%d", STT_CLIENT_SERVICE_INTERFACE, pid);
325
326         DBusMessage* msg = NULL;
327         msg = dbus_message_new_signal(
328                 STT_CLIENT_SERVICE_OBJECT_PATH, /* object name of the signal */
329                 target_if_name,                 /* interface name of the signal */
330                 STTD_METHOD_ERROR);             /* name of the signal */
331
332         if (NULL == msg) {
333                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to create message");
334                 return STTD_ERROR_OUT_OF_MEMORY;
335         }
336
337         dbus_message_append_args(msg,
338                 DBUS_TYPE_INT32, &uid,
339                 DBUS_TYPE_INT32, &reason,
340                 DBUS_TYPE_STRING, &err_msg,
341                 DBUS_TYPE_INVALID);
342
343         if (!dbus_connection_send(g_conn_sender, msg, NULL)) {
344                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] <<<< error message : Out Of Memory !");
345         } else {
346                 SLOG(LOG_DEBUG, TAG_STTD, "<<<< Send error message : uid(%d), reason(%d), err_msg(%s)", uid, reason, (NULL == err_msg) ? "NULL" : err_msg);
347                 dbus_connection_flush(g_conn_sender);
348         }
349
350         dbus_message_unref(msg);
351
352         return 0;
353 }
354
355 static Eina_Bool listener_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
356 {
357         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus] listener_event_callback is called!!!");
358
359         if (NULL == g_conn_listener)    return ECORE_CALLBACK_RENEW;
360
361         dbus_connection_read_write_dispatch(g_conn_listener, 50);
362
363         DBusMessage* msg = NULL;
364         msg = dbus_connection_pop_message(g_conn_listener);
365
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;
369         }
370
371         /* loop again if we haven't read a message */
372         if (NULL == msg) {
373                 return ECORE_CALLBACK_RENEW;
374         }
375
376         SLOG(LOG_DEBUG, TAG_STTD, "[Dbus info] service name: %s, service object: %s, service interface: %s", (NULL == g_server_service_name) ? "NULL" : g_server_service_name,
377                         (NULL == g_server_service_object) ? "NULL" : g_server_service_object, (NULL == g_server_service_interface) ? "NULL" : g_server_service_interface);
378
379         /* client event */
380         if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_HELLO))
381                 sttd_dbus_server_hello(g_conn_listener, msg);
382
383         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_INITIALIZE))
384                 sttd_dbus_server_initialize(g_conn_listener, msg);
385
386         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_FINALIZE))
387                 sttd_dbus_server_finalize(g_conn_listener, msg);
388
389         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_CURRENT_ENGINE))
390                 sttd_dbus_server_set_current_engine(g_conn_listener, msg);
391
392         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_CHECK_APP_AGREED))
393                 sttd_dbus_server_check_app_agreed(g_conn_listener, msg);
394
395         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_SUPPORT_LANGS))
396                 sttd_dbus_server_get_support_lang(g_conn_listener, msg);
397
398         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_CURRENT_LANG))
399                 sttd_dbus_server_get_default_lang(g_conn_listener, msg);
400
401         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_PRIVATE_DATA))
402                 sttd_dbus_server_set_private_data(g_conn_listener, msg);
403
404         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_GET_PRIVATE_DATA))
405                 sttd_dbus_server_get_private_data(g_conn_listener, msg);
406
407         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_IS_TYPE_SUPPORTED))
408                 sttd_dbus_server_is_recognition_type_supported(g_conn_listener, msg);
409
410
411         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_START_SOUND))
412                 sttd_dbus_server_set_start_sound(g_conn_listener, msg);
413
414         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_UNSET_START_SOUND))
415                 sttd_dbus_server_unset_start_sound(g_conn_listener, msg);
416
417         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_SET_STOP_SOUND))
418                 sttd_dbus_server_set_stop_sound(g_conn_listener, msg);
419
420         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_UNSET_STOP_SOUND))
421                 sttd_dbus_server_unset_stop_sound(g_conn_listener, msg);
422
423
424         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_START))
425                 sttd_dbus_server_start(g_conn_listener, msg);
426
427         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_STOP))
428                 sttd_dbus_server_stop(g_conn_listener, msg);
429
430         else if (dbus_message_is_method_call(msg, g_server_service_interface, STT_METHOD_CANCEL))
431                 sttd_dbus_server_cancel(g_conn_listener, msg);
432
433
434         /* free the message */
435         dbus_message_unref(msg);
436
437         return ECORE_CALLBACK_RENEW;
438 }
439
440 void __sttd_dbus_service_free()
441 {
442         if (NULL != g_server_service_name) {
443                 free(g_server_service_name);
444                 g_server_service_name = NULL;
445         }
446
447         if (NULL != g_server_service_object) {
448                 free(g_server_service_object);
449                 g_server_service_object = NULL;
450         }
451
452         if (NULL != g_server_service_interface) {
453                 free(g_server_service_interface);
454                 g_server_service_interface = NULL;
455         }
456 }
457
458 int __sttd_get_buxtonkey()
459 {
460         /* request our name on the bus and check for errors */
461         int pid = getpid();
462         char engine_appid[2048] = {0, };
463         const char* engine_default = NULL;
464
465         struct buxton_client * bux_cli;
466         struct buxton_layer * bux_layer;
467         struct buxton_value * bux_val;
468
469         int ret = buxton_open(&bux_cli, NULL, NULL);
470         if (0 != ret) {
471                 SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to open buxton client, ret(%d)", ret);
472                 return STTD_ERROR_OPERATION_FAILED;
473         }
474         bux_layer = buxton_create_layer("system");
475         if (NULL == bux_layer) {
476                 SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] buxton_create_layer FAIL");
477                 buxton_close(bux_cli);
478                 bux_cli = NULL;
479                 return STTD_ERROR_OPERATION_FAILED;
480         }
481         bux_val = buxton_value_create_string("stt-engine-default");
482         if (NULL == bux_val) {
483                 SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] buxton_value_create_string FAIL");
484                 buxton_free_layer(bux_layer);
485                 buxton_close(bux_cli);
486                 bux_layer = NULL;
487                 bux_cli = NULL;
488                 return STTD_ERROR_OPERATION_FAILED;
489         } else {
490                 SLOG(LOG_DEBUG, TAG_STTD, "[DBUS-BUXTON2] layer: %s", buxton_layer_get_name(bux_layer));
491         }
492         ret = buxton_get_value_sync(bux_cli, bux_layer, STT_ENGINE_DB_DEFAULT, &bux_val);
493         if (0 != ret) {
494                 SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to get value sync, ret(%d)", ret);
495                 buxton_value_free(bux_val);
496                 buxton_free_layer(bux_layer);
497                 buxton_close(bux_cli);
498
499                 bux_cli = NULL;
500                 bux_layer = NULL;
501                 bux_val = NULL;
502                 return STTD_ERROR_OPERATION_FAILED;
503         }
504         ret = buxton_value_get_string(bux_val, &engine_default);
505         if (0 != ret) {
506                 SLOG(LOG_ERROR, TAG_STTD, "[DBUS-BUXTON2] Fail to get value string, ret(%d)", ret);
507                 buxton_value_free(bux_val);
508                 buxton_free_layer(bux_layer);
509                 buxton_close(bux_cli);
510
511                 bux_cli = NULL;
512                 bux_layer = NULL;
513                 bux_val = NULL;
514                 return STTD_ERROR_OPERATION_FAILED;
515         }
516         SLOG(LOG_DEBUG, TAG_STTD, "[DBUS-BUXTON2] buxton_value_get_string: engine_default: %s", engine_default);
517
518         ret = aul_app_get_appid_bypid(pid, engine_appid, sizeof(engine_appid));
519
520         __sttd_dbus_service_free();
521
522         if (NULL == engine_appid || NULL == engine_default || 0 == strncmp(engine_appid, engine_default, strlen(engine_appid))) {
523                 g_server_service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + 1, sizeof(char));
524                 snprintf(g_server_service_name, strlen(STT_SERVER_SERVICE_NAME) + 1, "%s", STT_SERVER_SERVICE_NAME);
525                 g_server_service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, sizeof(char));
526                 snprintf(g_server_service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + 1, "%s", STT_SERVER_SERVICE_OBJECT_PATH);
527                 g_server_service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + 1, sizeof(char));
528                 snprintf(g_server_service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + 1, "%s", STT_SERVER_SERVICE_INTERFACE);
529         } else {
530                 g_server_service_name = (char*)calloc(strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_appid) - 8, sizeof(char));
531                 snprintf(g_server_service_name, strlen(STT_SERVER_SERVICE_NAME) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_NAME, ".", (engine_appid + 10));
532                 g_server_service_object = (char*)calloc(strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_appid) - 8, sizeof(char));
533                 snprintf(g_server_service_object, strlen(STT_SERVER_SERVICE_OBJECT_PATH) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_OBJECT_PATH, "/", (engine_appid + 10));
534                 g_server_service_interface = (char*)calloc(strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_appid) - 8, sizeof(char));
535                 snprintf(g_server_service_interface, strlen(STT_SERVER_SERVICE_INTERFACE) + strlen(engine_appid) - 8, "%s%s%s", STT_SERVER_SERVICE_INTERFACE, ".", (engine_appid + 10));
536         }
537
538         if (NULL == g_server_service_name || NULL == g_server_service_object || NULL == g_server_service_interface) {
539                 SLOG(LOG_ERROR, TAG_STTD, "[ERROR] dbus info invalid");
540                 buxton_value_free(bux_val);
541                 buxton_free_layer(bux_layer);
542                 buxton_close(bux_cli);
543
544                 bux_cli = NULL;
545                 bux_layer = NULL;
546                 bux_val = NULL;
547                 return STTD_ERROR_OPERATION_FAILED;
548         }
549
550         char* ret_char = strchr(g_server_service_interface, '-');
551         while (NULL != ret_char) {
552                 ret_char[0] = '_';
553                 ret_char = strchr(g_server_service_interface, '-');
554         }
555
556         SLOG(LOG_DEBUG, TAG_STTD, "[get_service_interface] service interface: %s", g_server_service_interface);
557
558         buxton_value_free(bux_val);
559         buxton_free_layer(bux_layer);
560         buxton_close(bux_cli);
561
562         bux_cli = NULL;
563         bux_layer = NULL;
564         bux_val = NULL;
565
566         SLOG(LOG_DEBUG, TAG_STTD, "[get_service_name] FINISH!! service name: %s", g_server_service_name);
567
568         return STTD_ERROR_NONE;
569
570 }
571
572 int __sttd_request_custom_dbus_name()
573 {
574         static DBusConnection* g_conn_custom = NULL;
575         DBusError err;
576         dbus_error_init(&err);
577
578         /* Create connection for sender */
579         g_conn_custom = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
580         if (dbus_error_is_set(&err)) {
581                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
582                 dbus_error_free(&err);
583                 return STTD_ERROR_OPERATION_FAILED;
584         }
585
586         int ret = dbus_bus_request_name(g_conn_custom, STT_SERVER_CUSTOM_SERVICE_NAME, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
587         if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
588                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
589                 return STTD_ERROR_OPERATION_FAILED;
590         }
591
592         if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
593                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
594                 return STTD_ERROR_OPERATION_FAILED;
595         }
596
597         if (dbus_error_is_set(&err)) {
598                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
599                 dbus_error_free(&err);
600                 return STTD_ERROR_OPERATION_FAILED;
601         }
602
603         dbus_bus_release_name(g_conn_custom, STT_SERVER_CUSTOM_SERVICE_NAME, &err);
604         if (dbus_error_is_set(&err)) {
605                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
606                 dbus_error_free(&err);
607                 return STTD_ERROR_OPERATION_FAILED;
608         }
609
610         dbus_connection_close(g_conn_custom);
611         dbus_connection_unref(g_conn_custom);
612         g_conn_custom = NULL;
613
614         SLOG(LOG_DEBUG, TAG_STTD, "==");
615         return 0;
616 }
617
618 int sttd_dbus_open_connection()
619 {
620         DBusError err;
621         dbus_error_init(&err);
622
623         int ret;
624
625         /* Create connection for sender */
626         g_conn_sender = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
627         if (dbus_error_is_set(&err)) {
628                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
629                 dbus_error_free(&err);
630         }
631
632         if (NULL == g_conn_sender) {
633                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection sender");
634                 return STTD_ERROR_OPERATION_FAILED;
635         }
636
637         /* connect to the bus and check for errors */
638         g_conn_listener = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
639
640         if (dbus_error_is_set(&err)) {
641                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail dbus_bus_get : %s", err.message);
642                 dbus_error_free(&err);
643         }
644
645         if (NULL == g_conn_listener) {
646                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get dbus connection");
647                 return STTD_ERROR_OPERATION_FAILED;
648         }
649
650         /* Get buxton key */
651         ret = __sttd_get_buxtonkey();
652         if (0 != ret) {
653                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get buxton key");
654                 return ret;
655         }
656
657         ret = __sttd_request_custom_dbus_name();
658         if (0 != ret) {
659                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to request custom dbus name");
660                 return ret;
661         }
662
663         ret = dbus_bus_request_name(g_conn_listener, g_server_service_name, DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
664
665         if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) {
666                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to be primary owner");
667                 return STTD_ERROR_OPERATION_FAILED;
668         }
669
670         if (dbus_error_is_set(&err)) {
671                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_request_name() : %s", err.message);
672                 dbus_error_free(&err);
673                 return STTD_ERROR_OPERATION_FAILED;
674         }
675
676         /* add a rule for getting signal */
677         char rule[128];
678         snprintf(rule, 128, "type='signal',interface='%s'", g_server_service_interface);
679
680         /* add a rule for which messages we want to see */
681         dbus_bus_add_match(g_conn_listener, rule, &err); /* see signals from the given interface */
682         dbus_connection_flush(g_conn_listener);
683
684         if (dbus_error_is_set(&err)) {
685                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_add_match() : %s", err.message);
686                 dbus_error_free(&err);
687                 return STTD_ERROR_OPERATION_FAILED;
688         }
689
690         int fd = 0;
691         dbus_connection_get_unix_fd(g_conn_listener, &fd);
692
693         g_dbus_fd_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, (Ecore_Fd_Cb)listener_event_callback, g_conn_listener, NULL, NULL);
694         if (NULL == g_dbus_fd_handler) {
695                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] Fail to get fd handler");
696                 return STTD_ERROR_OPERATION_FAILED;
697         }
698
699         return 0;
700 }
701
702 int sttd_dbus_close_connection()
703 {
704         DBusError err;
705         dbus_error_init(&err);
706
707         if (NULL != g_dbus_fd_handler) {
708                 ecore_main_fd_handler_del(g_dbus_fd_handler);
709                 g_dbus_fd_handler = NULL;
710         }
711
712         dbus_bus_release_name(g_conn_listener, g_server_service_name, &err);
713
714         if (dbus_error_is_set(&err)) {
715                 SLOG(LOG_ERROR, TAG_STTD, "[Dbus ERROR] dbus_bus_release_name() : %s", err.message);
716                 dbus_error_free(&err);
717         }
718
719         dbus_connection_close(g_conn_listener);
720         dbus_connection_close(g_conn_sender);
721
722         dbus_connection_unref(g_conn_sender);
723         dbus_connection_unref(g_conn_listener);
724
725         g_conn_listener = NULL;
726         g_conn_sender = NULL;
727
728         __sttd_dbus_service_free();
729
730         SLOG(LOG_DEBUG, TAG_STTD, "[Server] Close dbus connection");
731
732         return 0;
733 }