server/vcd_server.c

   1 /*
   2 * Copyright (c) 2011-2015 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the License);
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an AS IS BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #include <app.h>
  18 #include <app_manager.h>
  19 #include <dirent.h>
  20 #include <sound_manager.h>
  21
  22 #include "vc_cmd_db.h"
  23 #include "vc_info_parser.h"
  24 #include "vcd_main.h"
  25 #include "vcd_server.h"
  26 #include "vcd_client_data.h"
  27
  28 #include "vcd_engine_agent.h"
  29 #include "vcd_config.h"
  30 #include "vcd_recorder.h"
  31 #include "vcd_dbus.h"
  32
  33 #include "voice_control_command_expand.h"
  34
  35 /*
  36 * VC Server static variable
  37 */
  38 static bool     g_is_engine;
  39
  40 static GList *g_proc_list = NULL;
  41
  42 static Ecore_Timer *g_restart_timer = NULL;
  43
  44 /**
  45 * @brief Enumerations of send event type.
  46 */
  47 typedef enum {
  48         VCD_SEND_EVENT_TYPE_TEXT,               /**< send text event to vc engine*/
  49         VCD_SEND_EVENT_TYPE_LIST_EVENT,         /**< send list event to vc engine */
  50         VCD_SEND_EVENT_TYPE_HAPTIC_EVENT        /**< send haptic event to vc engine */
  51 } vcd_send_event_type_e;
  52
  53 /*
  54 * VC Server Internal Functions
  55 */
  56 static Eina_Bool __stop_by_silence(void *data)
  57 {
  58         SLOG(LOG_DEBUG, TAG_VCD, "===== Silence Detected ");
  59
  60         vcd_server_mgr_stop();
  61
  62         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  63         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  64         return EINA_FALSE;
  65 }
  66
  67 static Eina_Bool __cancel_by_interrupt(void *data)
  68 {
  69         SLOG(LOG_DEBUG, TAG_VCD, "===== Cancel by interrupt");
  70
  71         vcd_server_mgr_cancel();
  72
  73         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  74         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  75         return EINA_FALSE;
  76 }
  77
  78 static void __cancel_by_error(void *data)
  79 {
  80         SLOG(LOG_DEBUG, TAG_VCD, "===== Cancel by error");
  81
  82         vcd_server_mgr_cancel();
  83
  84         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  85         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  86         return;
  87 }
  88
  89 static Eina_Bool __restart_engine(void *data)
  90 {
  91         SLOG(LOG_DEBUG, TAG_VCD, "===== Restart by no result");
  92
  93         g_restart_timer = NULL;
  94
  95         /* Restart recognition */
  96         int ret = vcd_engine_recognize_start(true);
  97         if (0 != ret) {
  98                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to restart recognition : result(%d)", ret);
  99                 return EINA_FALSE;
 100         }
 101
 102         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start engine");
 103
 104         if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
 105                 vcd_config_set_service_state(VCD_STATE_RECORDING);
 106                 vcdc_send_service_state(VCD_STATE_RECORDING);
 107         }
 108
 109         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Restart recognition");
 110
 111         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 112         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 113         return EINA_FALSE;
 114 }
 115
 116 static int __server_recorder_callback(const void* data, const unsigned int length)
 117 {
 118         vcd_state_e state = vcd_config_get_service_state();
 119         if (VCD_STATE_READY == state) {
 120                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Ready state, but recording");
 121         } else if (VCD_STATE_PROCESSING == state) {
 122                 return 0;
 123         }
 124
 125         vcp_speech_detect_e speech_detected = VCP_SPEECH_DETECT_NONE;
 126         int ret;
 127
 128         ret = vcd_engine_recognize_audio(data, length, &speech_detected);
 129
 130         if (0 > ret) {
 131                 /* Error */
 132                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set recording data to engine(%d)", ret);
 133                 ecore_timer_add(0, __cancel_by_interrupt, NULL);
 134                 /* Send error cb to manager */
 135                 if (VCP_ERROR_OUT_OF_NETWORK == ret) {
 136                         vcdc_send_error_signal_to_manager(vcd_client_manager_get_pid(), VCD_ERROR_TIMED_OUT, "Engine connection failed");
 137                 } else {
 138                         vcdc_send_error_signal_to_manager(vcd_client_manager_get_pid(), VCD_ERROR_OPERATION_FAILED, "Engine recognition failed");
 139                 }
 140                 return 0;
 141         }
 142
 143         if (VCP_SPEECH_DETECT_BEGIN == speech_detected) {
 144                 if (-1 != vcd_client_manager_get_pid()) {
 145                         /* Manager client is available */
 146                         if (0 != vcdc_send_speech_detected(vcd_client_manager_get_pid())) {
 147                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send speech detected");
 148                         }
 149                 }
 150         } else if (VCP_SPEECH_DETECT_END == speech_detected) {
 151                 if (VCD_RECOGNITION_MODE_STOP_BY_SILENCE == vcd_client_get_recognition_mode()) {
 152                         /* silence detected */
 153                         ecore_timer_add(0, __stop_by_silence, NULL);
 154                 } else if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
 155                         /* Stop engine recognition */
 156                         int ret = vcd_engine_recognize_stop();
 157                         if (0 != ret) {
 158                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
 159                         }
 160                         vcd_config_set_service_state(VCD_STATE_PROCESSING);
 161                         vcdc_send_service_state(VCD_STATE_PROCESSING);
 162
 163                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Stop engine only by silence");
 164                 } else if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY == vcd_client_get_recognition_mode()) {
 165                         /* Stop engine recognition */
 166                         int ret = vcd_engine_recognize_stop();
 167                         if (0 != ret) {
 168                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
 169                         }
 170                 }
 171         }
 172
 173         return 0;
 174 }
 175
 176 void __server_recorder_interrupt_callback()
 177 {
 178         SLOG(LOG_DEBUG, TAG_VCD, "===== Cancel by sound interrupt");
 179
 180         ecore_timer_add(0, __cancel_by_interrupt, NULL);
 181
 182         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 183         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 184 }
 185
 186 static void __config_lang_changed_cb(const char* current_lang, void* user_data)
 187 {
 188         SLOG(LOG_DEBUG, TAG_VCD, "===== Change language ");
 189
 190         /* Current state is recording */
 191         vcd_state_e state = vcd_config_get_service_state();
 192         if (VCD_STATE_RECORDING == state || VCD_STATE_PROCESSING == state) {
 193                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is 'Recording'. Cancel recognition");
 194                 vcd_server_mgr_cancel();
 195         }
 196
 197         int ret;
 198         ret = vcd_engine_set_current_language(current_lang);
 199         if (0 != ret) {
 200                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set language of engine : %d", ret);
 201         }
 202
 203         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 204         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 205
 206         return;
 207 }
 208
 209 static void __config_foreground_changed_cb(int previous, int current, void* user_data)
 210 {
 211         SLOG(LOG_DEBUG, TAG_VCD, "===== Change foreground");
 212
 213         SLOG(LOG_DEBUG, TAG_VCD, "Foreground pid(%d)", current);
 214
 215         if (VC_NO_FOREGROUND_PID != current) {
 216                 /* Foreground app is changed */
 217                 vcd_state_e state = vcd_config_get_service_state();
 218                 if (VCD_STATE_RECORDING == state) {
 219                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Foreground pid(%d) is changed. Cancel recognition", current);
 220                         ecore_timer_add(0, __cancel_by_interrupt, NULL);
 221                 }
 222         }
 223
 224         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 225         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 226
 227         return;
 228 }
 229
 230 static int __vcd_activate_app_by_appcontrol(const char* appid)
 231 {
 232         if (NULL == appid) {
 233                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Invalid parameter");
 234                 return VCD_ERROR_INVALID_PARAMETER;
 235         }
 236
 237         int ret = -1;
 238         app_control_h app_control = NULL;
 239         ret = app_control_create(&app_control);
 240         if (APP_CONTROL_ERROR_NONE == ret) {
 241                 // Set extra data
 242                 ret = app_control_add_extra_data(app_control, "voice_launch", "get_result");
 243                 if (APP_CONTROL_ERROR_NONE != ret) {
 244                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to add extra data, ret(%d)", ret);
 245                         return VCD_ERROR_OPERATION_FAILED;
 246                 }
 247                 // Set an app ID.
 248                 ret = app_control_set_app_id(app_control, appid);
 249                 if (APP_CONTROL_ERROR_NONE != ret) {
 250                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to set app id, ret(%d)", ret);
 251                         return VCD_ERROR_OPERATION_FAILED;
 252                 }
 253                 // Sent launch request
 254                 ret = app_control_send_launch_request(app_control, NULL, NULL);
 255                 if (APP_CONTROL_ERROR_NONE != ret) {
 256                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to send launch request, ret(%d)", ret);
 257                         return VCD_ERROR_OPERATION_FAILED;
 258                 }
 259                 // Destroy app control
 260                 ret = app_control_destroy(app_control);
 261                 if (APP_CONTROL_ERROR_NONE != ret) {
 262                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to destroy, ret(%d)", ret);
 263                         return VCD_ERROR_OPERATION_FAILED;
 264                 }
 265         }
 266         return VCD_ERROR_NONE;
 267 }
 268
 269 static int __vcd_resume_app(const char* appid)
 270 {
 271         app_context_h app_context = NULL;
 272         int ret = app_manager_get_app_context(appid, &app_context);
 273         if (APP_MANAGER_ERROR_NONE != ret) {
 274                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to get app_context, ret(%d), appid(%s)", ret, appid);
 275                 return VCD_ERROR_OPERATION_FAILED;
 276         }
 277
 278         ret = app_manager_resume_app(app_context);
 279         if (APP_MANAGER_ERROR_NONE != ret) {
 280                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to resume app, ret(%d), appid(%s)", ret, appid);
 281                 return VCD_ERROR_OPERATION_FAILED;
 282         }
 283         return VCD_ERROR_NONE;
 284 }
 285
 286 static bool __vcd_is_package_installed(const char* appid)
 287 {
 288         app_info_h app_info = NULL;
 289         int ret = app_manager_get_app_info(appid, &app_info);
 290         if (APP_MANAGER_ERROR_NONE != ret || NULL == app_info)
 291                 return false;
 292         ret = app_info_destroy(app_info);
 293         if (APP_MANAGER_ERROR_NONE != ret)
 294                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to destroy app_info, ret(%d)", ret);
 295         return true;
 296 }
 297
 298 static bool __vcd_launch_app(const char* result)
 299 {
 300         if (NULL == result) {
 301                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Invalid parameter");
 302                 return VCD_ERROR_INVALID_PARAMETER;
 303         }
 304
 305         GSList* app_list = NULL;
 306         if (0 != vc_db_get_appid_list(result, &app_list)) {
 307                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] result text is NULL");
 308                 return VCD_ERROR_INVALID_PARAMETER;
 309         }
 310
 311         if (0 != g_slist_length(app_list)) {
 312                 /* releaes data */
 313                 GSList *iter = NULL;
 314                 vc_deactivated_app_s* temp_app = NULL;
 315                 iter = g_slist_nth(app_list, 0);
 316
 317                 while (NULL != iter) {
 318                         temp_app = iter->data;
 319
 320                         if (NULL != temp_app) {
 321                                 if (NULL != temp_app->appid) {
 322                                         int ret = -1;
 323                                         bool running = false;
 324                                         ret = app_manager_is_running(temp_app->appid, &running);
 325                                         if (APP_MANAGER_ERROR_NONE != ret) {
 326                                                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to check running with appid(%s)", temp_app->appid);
 327                                                 free(temp_app->appid);
 328                                                 temp_app->appid = NULL;
 329                                                 free(temp_app);
 330                                                 temp_app = NULL;
 331                                                 return VCD_ERROR_OPERATION_FAILED;
 332                                         }
 333                                         if (false == running) {
 334                                                 int tmp_ret = __vcd_is_package_installed(temp_app->appid);
 335                                                 if (false == tmp_ret) {
 336                                                         SLOG(LOG_WARN, TAG_VCD, "[WARNING] app is not installed, appid(%s)", temp_app->appid);
 337                                                 } else {
 338                                                         ret = __vcd_activate_app_by_appcontrol(temp_app->appid);
 339                                                         if (0 != ret) {
 340                                                                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to activate app");
 341                                                                 free(temp_app->appid);
 342                                                                 temp_app->appid = NULL;
 343                                                                 free(temp_app);
 344                                                                 temp_app = NULL;
 345                                                                 return ret;
 346                                                         }
 347                                                         SLOG(LOG_ERROR, TAG_VCD, "Launch app: appid(%s) result(%s)", temp_app->appid, result);
 348                                                 }
 349                                         } else {
 350                                                 ret = __vcd_resume_app(temp_app->appid);
 351                                                 if (0 != ret) {
 352                                                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to resume app");
 353                                                         free(temp_app->appid);
 354                                                         temp_app->appid = NULL;
 355                                                         free(temp_app);
 356                                                         temp_app = NULL;
 357                                                         return ret;
 358                                                 }
 359                                                 SLOG(LOG_ERROR, TAG_VCD, "Resume app: appid(%s) result(%s)", temp_app->appid, result);
 360                                         }
 361                                         free(temp_app->appid);
 362                                         temp_app->appid = NULL;
 363                                 }
 364                                 free(temp_app);
 365                                 temp_app = NULL;
 366                         }
 367                         iter = g_slist_next(iter);
 368                 }
 369                 app_list = NULL;
 370         }
 371
 372         return VCD_ERROR_NONE;
 373 }
 374
 375 static Eina_Bool __vcd_send_selected_result(void *data)
 376 {
 377         GSList* pid_list = NULL;
 378         const char* result = vcd_client_manager_get_result_text();
 379
 380         if (0 != vc_info_parser_get_result_pid_list(&pid_list, result)) {
 381                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to get pid list. No result");
 382         } else {
 383                 if (0 < g_slist_length(pid_list)) {
 384                         GSList* iter = NULL;
 385                         vc_cmd_s* temp_cmd = NULL;
 386                         int ret = 0;
 387
 388                         iter = g_slist_nth(pid_list, 0);
 389                         while (NULL != iter) {
 390                                 temp_cmd = iter->data;
 391
 392                                 if (NULL != temp_cmd) {
 393                                         /* Launch deactivated several apps that is matched with result */
 394                                         ret = __vcd_launch_app(result);
 395                                         if (0 != ret) {
 396                                                 SLOG(LOG_ERROR, TAG_VCD, "Fail to launch or resume app, ret(%d) result(%s)", ret, result);
 397                                         } else {
 398                                                 /* send result noti */
 399                                                 ret = vcdc_send_result(temp_cmd->pid, vcd_client_manager_get_pid(), temp_cmd->type);
 400                                                 if (0 != ret) {
 401                                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result, ret(%d)", ret);
 402                                                         break;
 403                                                 } else {
 404                                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Send result : pid(%d) type(%d)", temp_cmd->pid, temp_cmd->type);
 405                                                 }
 406                                         }
 407                                         free(temp_cmd);
 408                                         temp_cmd = NULL;
 409                                 }
 410                                 pid_list = g_slist_remove_link(pid_list, iter);
 411                                 iter = g_slist_nth(pid_list, 0);
 412                         }
 413                 }
 414         }
 415
 416         if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY != vcd_client_get_recognition_mode()) {
 417                 vcd_config_set_service_state(VCD_STATE_READY);
 418                 vcdc_send_service_state(VCD_STATE_READY);
 419         }
 420
 421         return EINA_FALSE;
 422 }
 423
 424 //static void __vcd_server_pre_result_cb(vcp_pre_result_event_e event, const char* pre_result, void *user_data)
 425 static void __vcd_server_asr_result_cb(vcp_asr_result_event_e event, const char* asr_result, void *user_data)
 426 {
 427         if (NULL != asr_result) {
 428                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] ASR result - Event(%d), Text(%s)", event, asr_result);
 429                 vcdc_send_pre_result_to_manager(vcd_client_manager_get_pid(), event, asr_result);
 430         }
 431
 432         return;
 433 }
 434
 435 static void* __recorder_stop(void *data)
 436 {
 437         vcd_recorder_stop();
 438         return NULL;
 439 }
 440
 441 static void __vcd_server_result_cb(vcp_result_event_e event, int* result_id, int count, const char* all_result,
 442                                                                    const char* non_fixed_result, const char* nlu_result, const char* msg, void *user_data)
 443 {
 444         if (VCD_STATE_PROCESSING != vcd_config_get_service_state()) {
 445                 if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY != vcd_client_get_recognition_mode()) {
 446                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not 'Processing' and mode is not 'Restart continuously'");
 447                         return;
 448                 }
 449         }
 450
 451         vc_info_parser_unset_result(vcd_client_manager_get_exclusive());
 452         vcd_client_manager_set_result_text(all_result);
 453
 454         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Event(%d), Text(%s) Nonfixed(%s) Msg(%s) Result count(%d)",
 455                 event, all_result, non_fixed_result, msg, count);
 456
 457         if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
 458                 if (VCP_RESULT_EVENT_REJECTED == event) {
 459                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Restart by no or rejected result");
 460                         /* If no result and restart option is ON */
 461                         /* Send reject message */
 462                         bool temp = vcd_client_manager_get_exclusive();
 463                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 464                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NOTIFICATION)) {
 465                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 466                         }
 467
 468                         g_restart_timer = ecore_timer_add(0, __restart_engine, NULL);
 469                         return;
 470                 }
 471                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Stop recorder due to success");
 472                 //vcd_recorder_stop();
 473                 ecore_main_loop_thread_safe_call_sync(__recorder_stop, NULL);
 474         } else if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY == vcd_client_get_recognition_mode()) {
 475                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Restart continuously");
 476                 /* Restart option is ON */
 477                 g_restart_timer = ecore_timer_add(0, __restart_engine, NULL);
 478                 if (VCP_RESULT_EVENT_REJECTED == event) {
 479                         bool temp = vcd_client_manager_get_exclusive();
 480                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 481                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NOTIFICATION)) {
 482                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 483                         }
 484                         return;
 485                 }
 486         }
 487 #if 1
 488         /* if nlu_result is exist, Add command handle(is_action) into result list */
 489         /* Normal result */
 490         SLOG(LOG_DEBUG, TAG_VCD, "[Server] === Get engine result ===");
 491
 492         int ret = -1;
 493         vc_cmd_s* temp_cmd = NULL;
 494         vc_cmd_list_h vc_cmd_list = NULL;
 495
 496         if (0 != vc_cmd_list_create(&vc_cmd_list)) {
 497                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to create command list");
 498                 vcd_client_manager_set_exclusive(false);
 499                 vcd_config_set_service_state(VCD_STATE_READY);
 500                 vcdc_send_service_state(VCD_STATE_READY);
 501                 return;
 502         }
 503
 504         /* priority filter */
 505         /* system > exclusive > foreground = widget > system_background > background */
 506         int i = 0;
 507         int* filtered_id = (int*)calloc(count, sizeof(int));
 508         int filtered_count = 0;
 509         int top_priority = VC_COMMAND_PRIORITY_BACKGROUND;
 510         for (i = 0; i < count; i++) {
 511                 SLOG(LOG_DEBUG, TAG_VCD, "[Server]   [%d] Result id(%d)", i, result_id[i]);
 512
 513                 if (0 > result_id[i]) {
 514                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Result ID(%d) is NOT valid", result_id[i]);
 515                         continue;
 516                 }
 517
 518                 ret = vcd_client_get_cmd_from_result_id(result_id[i], &temp_cmd);
 519                 if (0 == ret && NULL != temp_cmd) {
 520                         if (top_priority == temp_cmd->priority) {
 521                                 filtered_id[filtered_count] = result_id[i];
 522                                 filtered_count++;
 523                         } else if (top_priority < temp_cmd->priority) {
 524                                 continue;
 525                         } else {
 526                                 filtered_id[0] = result_id[i];
 527                                 filtered_count = 1;
 528                                 top_priority = temp_cmd->priority;
 529                         }
 530                 }
 531         }
 532
 533         int is_action = 0;
 534         for (i = 0; i < filtered_count; i++) {
 535                 SLOG(LOG_DEBUG, TAG_VCD, "[Server]   [%d] Filtered Result id(%d)", i, filtered_id[i]);
 536
 537                 if (filtered_id[i] < 0) {
 538                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Filtered ID(%d) is NOT valid", filtered_id[i]);
 539                         continue;
 540                 }
 541
 542                 ret = vcd_client_get_cmd_from_result_id(filtered_id[i], &temp_cmd);
 543                 if (0 == ret && NULL != temp_cmd) {
 544                         switch (temp_cmd->format) {
 545                         case VC_CMD_FORMAT_FIXED:
 546                         case VC_CMD_FORMAT_FIXED_AND_VFIXED:
 547                         case VC_CMD_FORMAT_VFIXED_AND_FIXED:
 548                         case VC_CMD_FORMAT_PARTIAL:
 549                         case VC_CMD_FORMAT_FIXED_AND_NONFIXED:
 550                         case VC_CMD_FORMAT_NONFIXED_AND_FIXED:
 551                                 break;
 552                         case VC_CMD_FORMAT_ACTION:
 553                                 is_action = 1;
 554                                 break;
 555                         default:
 556                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Unknown command type : %d", temp_cmd->type);
 557                         }
 558
 559                         temp_cmd->id = i;
 560                         if (0 != vc_cmd_list_add(vc_cmd_list, (vc_cmd_h)temp_cmd)) {
 561                                 SLOG(LOG_DEBUG, TAG_VCD, "Fail to add command to list");
 562                                 vc_cmd_destroy((vc_cmd_h)temp_cmd);
 563                         }
 564                 } else {
 565                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] NOT found matached result(%d)", filtered_id[i]);
 566                 }
 567         }
 568
 569         if (NULL != filtered_id) {
 570                 free(filtered_id);
 571                 filtered_id = NULL;
 572         }
 573
 574         if (NULL != nlu_result) {
 575                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] NLU (%s)", nlu_result);
 576                 vc_info_parser_set_nlu_result(nlu_result);
 577                 if (0 == is_action) {
 578                         vc_cmd_h nlu_cmd;
 579                         if (0 != vc_cmd_create(&nlu_cmd)) {
 580                                 SLOG(LOG_ERROR, TAG_VCD, "Fail to nlu cmd create");
 581                         } else {
 582                                 if (0 != vc_cmd_set_type(nlu_cmd, VC_COMMAND_TYPE_SYSTEM)) {
 583                                         SLOG(LOG_ERROR, TAG_VCD, "Fail to set type");
 584                                 }
 585                                 if (0 != vc_cmd_set_pid(nlu_cmd, vcd_client_manager_get_pid())) {
 586                                         SLOG(LOG_ERROR, TAG_VCD, "Fail to set pid");
 587                                 }
 588                                 if (0 != vc_cmd_set_format(nlu_cmd, VC_CMD_FORMAT_ACTION)) {
 589                                         SLOG(LOG_ERROR, TAG_VCD, "Fail to set format");
 590                                 }
 591                                 if (0 != vc_cmd_list_add(vc_cmd_list, nlu_cmd)) {
 592                                         SLOG(LOG_ERROR, TAG_VCD, "Fail to add nlu cmd to list");
 593                                         vc_cmd_destroy(nlu_cmd);
 594                                 }
 595                         }
 596                 }
 597         }
 598
 599         vc_cmd_print_list(vc_cmd_list);
 600
 601         SLOG(LOG_DEBUG, TAG_VCD, "[Server] =========================");
 602
 603         int result_count = 0;
 604         vc_cmd_list_get_count(vc_cmd_list, &result_count);
 605
 606         if (0 == result_count) {
 607                 /* No result */
 608                 if (NULL != all_result) {
 609                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Engine result is no command : %s", all_result);
 610                         bool temp = vcd_client_manager_get_exclusive();
 611                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 612                 }
 613
 614                 int pid = vcd_client_widget_get_foreground_pid();
 615                 if (-1 != pid) {
 616                         if (NULL != all_result) {
 617                                 /* Send result text to widget */
 618                                 vcdc_send_result(pid, vcd_client_manager_get_pid(), VC_COMMAND_TYPE_WIDGET);
 619                         }
 620
 621                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 622                         /* Send to hide tooltip */
 623                         vcdc_send_show_tooltip(pid, false);
 624                 }
 625
 626                 if (-1 != vcd_client_manager_get_pid()) {
 627                         /* Manager client is available */
 628                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 629                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 630                         }
 631                 }
 632
 633                 vcd_client_manager_set_exclusive(false);
 634
 635                 return;
 636         } else {
 637                 if (false == vcd_client_manager_get_exclusive()) {
 638                         int pid = vcd_client_widget_get_foreground_pid();
 639                         if (-1 != pid) {
 640                                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 641                                 vcdc_send_show_tooltip(pid, false);
 642                         }
 643
 644                         vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, false);
 645
 646                         if (-1 != vcd_client_manager_get_pid()) {
 647                                 /* Manager client is available */
 648                                 if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 649                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 650                                 }
 651                         } else {
 652                                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available. Send result to client directly");
 653                                 /* Send result to client */
 654                                 ecore_timer_add(0, __vcd_send_selected_result, NULL);
 655                         }
 656                 } else {
 657                         /* exclusive command */
 658                         vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, true);
 659
 660                         if (-1 != vcd_client_manager_get_pid()) {
 661                                 /* Manager client is available */
 662                                 if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 663                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 664                                 }
 665                         } else {
 666                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Manager is NOT available");
 667                         }
 668
 669                         vcd_client_manager_set_exclusive(false);
 670                 }
 671         }
 672
 673         vc_cmd_list_destroy(vc_cmd_list, true);
 674
 675         return;
 676
 677 #else
 678         /* No result */
 679         if (NULL == result_id) {
 680                 /* No result */
 681                 if (NULL != all_result) {
 682                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Engine result is no command : %s", all_result);
 683                         bool temp = vcd_client_manager_get_exclusive();
 684                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 685                 }
 686
 687                 int pid = vcd_client_widget_get_foreground_pid();
 688                 if (-1 != pid) {
 689                         if (NULL != all_result) {
 690                                 /* Send result text to widget */
 691                                 vcdc_send_result(pid, vcd_client_manager_get_pid(), VC_COMMAND_TYPE_WIDGET);
 692                         }
 693
 694                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 695                         /* Send to hide tooltip */
 696                         vcdc_send_show_tooltip(pid, false);
 697                 }
 698
 699                 if (-1 != vcd_client_manager_get_pid()) {
 700                         /* Manager client is available */
 701                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 702                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 703                         }
 704                 }
 705
 706                 vcd_client_manager_set_exclusive(false);
 707
 708                 return;
 709         }
 710
 711         /* Normal result */
 712         SLOG(LOG_DEBUG, TAG_VCD, "[Server] === Get engine result ===");
 713
 714         int ret = -1;
 715         vc_cmd_s* temp_cmd = NULL;
 716         vc_cmd_list_h vc_cmd_list = NULL;
 717
 718         if (0 != vc_cmd_list_create(&vc_cmd_list)) {
 719                 SLOG(LOG_ERROR, TAG_VCD, "[Server] Fail to create command list");
 720                 vcd_client_manager_set_exclusive(false);
 721                 vcd_config_set_service_state(VCD_STATE_READY);
 722                 vcdc_send_service_state(VCD_STATE_READY);
 723                 return;
 724         }
 725
 726         int i = 0;
 727         for (i = 0; i < count; i++) {
 728                 SLOG(LOG_DEBUG, TAG_VCD, "[Server]   [%d] Result ID(%d)", i, result_id[i]);
 729
 730                 if (result_id[i] < 0) {
 731                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Result ID(%d) is NOT valid", result_id[i]);
 732                         continue;
 733                 }
 734
 735                 ret = vcd_client_get_cmd_from_result_id(result_id[i], &temp_cmd);
 736                 if (0 == ret && NULL != temp_cmd) {
 737                         switch (temp_cmd->format) {
 738                         case VC_CMD_FORMAT_FIXED:
 739                         case VC_CMD_FORMAT_FIXED_AND_VFIXED:
 740                         case VC_CMD_FORMAT_VFIXED_AND_FIXED:
 741                         case VC_CMD_FORMAT_PARTIAL:
 742                                 /* Nonfixed result is NOT valid */
 743                                 break;
 744                         case VC_CMD_FORMAT_FIXED_AND_NONFIXED:
 745                                 if (NULL == temp_cmd->parameter) {
 746                                         if (NULL != non_fixed_result) {
 747                                                 temp_cmd->parameter = strdup(non_fixed_result);
 748                                         }
 749                                 } else {
 750                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Command type is NOT vaild. Parameter (%s)", temp_cmd->parameter);
 751                                 }
 752                                 break;
 753                         case VC_CMD_FORMAT_NONFIXED_AND_FIXED:
 754                                 if (NULL == temp_cmd->command) {
 755                                         if (NULL != non_fixed_result) {
 756                                                 temp_cmd->command = strdup(non_fixed_result);
 757                                         }
 758                                 } else {
 759                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Command type is NOT vaild. Command (%s)", temp_cmd->command);
 760                                 }
 761
 762                                 break;
 763                         default:
 764                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Unknown command type : %d", temp_cmd->type);
 765                         }
 766
 767                         temp_cmd->id = i;
 768                         if (0 != vc_cmd_list_add(vc_cmd_list, (vc_cmd_h)temp_cmd)) {
 769                                 SLOG(LOG_DEBUG, TAG_VCD, "Fail to add command to list");
 770                                 vc_cmd_destroy((vc_cmd_h)temp_cmd);
 771                         }
 772                 } else {
 773                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] NOT found matached result(%d)", result_id[i]);
 774                 }
 775         }
 776
 777         vc_cmd_print_list(vc_cmd_list);
 778
 779         SLOG(LOG_DEBUG, TAG_VCD, "[Server] =========================");
 780
 781         int result_count = 0;
 782         vc_cmd_list_get_count(vc_cmd_list, &result_count);
 783
 784         if (false == vcd_client_manager_get_exclusive()) {
 785                 int pid = vcd_client_widget_get_foreground_pid();
 786                 if (-1 != pid) {
 787                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 788                         vcdc_send_show_tooltip(pid, false);
 789                 }
 790
 791                 vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, false);
 792
 793                 if (-1 != vcd_client_manager_get_pid()) {
 794                         /* Manager client is available */
 795                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 796                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 797                         }
 798                 } else {
 799                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available. Send result to client directly");
 800                         /* Send result to client */
 801                         ecore_timer_add(0, __vcd_send_selected_result, NULL);
 802                 }
 803         } else {
 804                 /* exclusive command */
 805                 vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, true);
 806
 807                 if (-1 != vcd_client_manager_get_pid()) {
 808                         /* Manager client is available */
 809                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 810                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 811                         }
 812                 } else {
 813                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Manager is NOT available");
 814                 }
 815
 816                 vcd_client_manager_set_exclusive(false);
 817         }
 818
 819         vc_cmd_list_destroy(vc_cmd_list, true);
 820
 821         return;
 822 #endif
 823 }
 824
 825 #if 0
 826 static void __vcd_server_nlu_result_cb(vcp_result_event_e event, const char* nlu_result, void *user_data)
 827 {
 828         SLOG(LOG_DEBUG, TAG_VCD, "[Server] NLU result cb - event(%d)", event);
 829         SLOG(LOG_DEBUG, TAG_VCD, "[Server] result (%s)", nlu_result);
 830
 831         int ret = vc_info_parser_set_nlu_result(nlu_result);
 832         if (0 != ret) {
 833                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set nlu result (%d)", ret);
 834         }
 835
 836         return;
 837 }
 838 #endif
 839
 840 static void __vcd_server_error_cb(vcp_error_e error, const char* msg, void *user_data)
 841 {
 842         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Engine Error cb - reason(%d), msg(%s)", error, msg);
 843         ecore_main_loop_thread_safe_call_async(__cancel_by_error, NULL);
 844
 845         char* error_msg = NULL;
 846         error_msg = strdup(msg);
 847
 848         if (0 != vcdc_send_error_signal_to_manager(vcd_client_manager_get_pid(), error, error_msg)) {
 849                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to send error signal");
 850         }
 851
 852         if (NULL != error_msg) {
 853                 free(error_msg);
 854                 error_msg = NULL;
 855         }
 856
 857         return;
 858 }
 859
 860 /*
 861 * vcd server Interfaces
 862 */
 863 static void __vcd_file_clean_up()
 864 {
 865         SLOG(LOG_DEBUG, TAG_VCD, "== Old file clean up == ");
 866
 867         DIR *dp = NULL;
 868         int ret = -1;
 869         struct dirent entry;
 870         struct dirent *dirp = NULL;
 871
 872         dp = opendir(VC_RUNTIME_INFO_ROOT);
 873         if (dp == NULL) {
 874                 SLOG(LOG_ERROR, TAG_VCD, "[File message WARN] Fail to open path : %s", VC_RUNTIME_INFO_ROOT);
 875                 return;
 876         }
 877
 878         char remove_path[256] = {0, };
 879         do {
 880                 ret = readdir_r(dp, &entry, &dirp);
 881                 if (0 != ret) {
 882                         SLOG(LOG_ERROR, TAG_VCD, "[File ERROR] Fail to read directory");
 883                         break;
 884                 }
 885
 886                 if (NULL != dirp) {
 887                         if (!strncmp("vc_", dirp->d_name, strlen("vc_"))) {
 888                                 memset(remove_path, 0, 256);
 889                                 snprintf(remove_path, 256, "%s/%s", VC_RUNTIME_INFO_ROOT, dirp->d_name);
 890
 891                                 /* Clean up code */
 892                                 if (0 != remove(remove_path)) {
 893                                         SLOG(LOG_WARN, TAG_VCD, "[File message WARN] Fail to remove file : %s", remove_path);
 894                                 } else {
 895                                         SLOG(LOG_DEBUG, TAG_VCD, "[File message] Remove file : %s", remove_path);
 896                                 }
 897                         }
 898                 }
 899         } while (NULL != dirp);
 900
 901         closedir(dp);
 902
 903         return;
 904 }
 905
 906 static int __vcd_db_clean_up()
 907 {
 908         int ret = 0;
 909         int cnt = VC_COMMAND_TYPE_FOREGROUND;
 910         do {
 911                 if (VC_COMMAND_TYPE_BACKGROUND != cnt)
 912                         ret = vc_db_delete_commands(-1, cnt, NULL);
 913         } while (VC_COMMAND_TYPE_EXCLUSIVE >= ++cnt);
 914
 915         return ret;
 916 }
 917
 918 static void __sig_handler(int signo)
 919 {
 920         /* restore signal handler */
 921         signal(signo, SIG_DFL);
 922
 923         /* Send error signal for notifying that daemon is reset*/
 924         vcdc_send_error_signal(VCD_ERROR_SERVICE_RESET, "Daemon reset");
 925
 926         /* invoke signal again */
 927         raise(signo);
 928 }
 929
 930 static void __register_sig_handler()
 931 {
 932         signal(SIGSEGV, __sig_handler);
 933         signal(SIGABRT, __sig_handler);
 934         signal(SIGTERM, __sig_handler);
 935         signal(SIGINT, __sig_handler);
 936         signal(SIGQUIT, __sig_handler);
 937 }
 938
 939 int vcd_initialize()
 940 {
 941         int ret = 0;
 942
 943         __register_sig_handler();
 944
 945         /* Remove old file */
 946         __vcd_file_clean_up();
 947
 948         /* initialize modules */
 949         ret = vcd_config_initialize(__config_lang_changed_cb, __config_foreground_changed_cb, NULL);
 950         if (0 != ret) {
 951                 SLOG(LOG_ERROR, TAG_VCD, "[Server WARNING] Fail to initialize config.");
 952         }
 953
 954         /* Remove db data */
 955         ret = __vcd_db_clean_up();
 956         if (0 != ret) {
 957                 SLOG(LOG_ERROR, TAG_VCD, "[Server WARNING] Fail to remove db data");
 958         }
 959
 960         vcd_config_set_service_state(VCD_STATE_NONE);
 961
 962         //ret = vcd_engine_agent_init(__vcd_server_pre_result_cb, __vcd_server_result_cb, __vcd_server_nlu_result_cb, __vcd_server_error_cb);
 963         ret = vcd_engine_agent_init(__vcd_server_asr_result_cb, __vcd_server_result_cb, __vcd_server_error_cb);
 964         if (0 != ret) {
 965                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
 966                 return ret;
 967         }
 968
 969         if (0 != vcd_recorder_create(__server_recorder_callback, __server_recorder_interrupt_callback)) {
 970                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to create recorder");
 971                 return VCD_ERROR_OPERATION_FAILED;
 972         }
 973
 974         /* Find engine */
 975         ret = vcd_engine_agent_initialize_current_engine();
 976         if (0 != ret) {
 977                 if (VCD_ERROR_ENGINE_NOT_FOUND == ret)
 978                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] There is No Voice control engine");
 979                 else
 980                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to init engine");
 981
 982                 g_is_engine = false;
 983         } else {
 984                 g_is_engine = true;
 985         }
 986
 987         /* Load engine */
 988         if (0 != vcd_engine_agent_load_current_engine()) {
 989                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to load current engine");
 990                 return VCD_ERROR_OPERATION_FAILED;
 991         }
 992
 993         /* Initialize manager info */
 994         vcd_client_manager_unset();
 995
 996         vcd_config_set_service_state(VCD_STATE_READY);
 997         vcdc_send_service_state(VCD_STATE_READY);
 998
 999         SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] initialize");
1000
1001         return 0;
1002 }
1003
1004 void vcd_finalize()
1005 {
1006         GList *iter = NULL;
1007         if (0 < g_list_length(g_proc_list)) {
1008                 iter = g_list_first(g_proc_list);
1009                 while (NULL != iter) {
1010                         g_proc_list = g_list_remove_link(g_proc_list, iter);
1011                         iter = g_list_first(g_proc_list);
1012                 }
1013         }
1014
1015         if (g_restart_timer != NULL) {
1016                 ecore_timer_del(g_restart_timer);
1017                 g_restart_timer = NULL;
1018         }
1019
1020         vcd_state_e state = vcd_config_get_service_state();
1021         if (VCD_STATE_READY != state) {
1022                 if (VCD_STATE_RECORDING == state) {
1023                         vcd_recorder_stop();
1024                 }
1025                 vcd_engine_recognize_cancel();
1026         }
1027         if (0 != vcd_recorder_destroy()) {
1028                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to destroy recorder");
1029         } else {
1030                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] destroy recorder");
1031         }
1032
1033         if (0 != vcd_engine_agent_release()) {
1034                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to release engine");
1035         } else {
1036                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] release engine");
1037         }
1038
1039         vcd_client_manager_unset_appid();
1040
1041         vcd_config_set_service_state(VCD_STATE_NONE);
1042         vcdc_send_service_state(VCD_STATE_NONE);
1043
1044         SLOG(LOG_DEBUG, TAG_VCD, "[Server] mode finalize");
1045
1046         return;
1047 }
1048
1049 static Eina_Bool __finalize_quit_ecore_loop(void *data)
1050 {
1051         SLOG(LOG_DEBUG, TAG_VCD, "[Server] quit ecore main loop");
1052         ecore_main_loop_quit();
1053         return EINA_FALSE;
1054 }
1055
1056 static void __read_proc()
1057 {
1058         DIR *dp = NULL;
1059         struct dirent entry;
1060         struct dirent *dirp = NULL;
1061         int ret = -1;
1062         int tmp;
1063
1064         GList *iter = NULL;
1065         if (0 < g_list_length(g_proc_list)) {
1066                 iter = g_list_first(g_proc_list);
1067                 while (NULL != iter) {
1068                         g_proc_list = g_list_remove_link(g_proc_list, iter);
1069                         iter = g_list_first(g_proc_list);
1070                 }
1071         }
1072
1073         dp = opendir("/proc");
1074         if (NULL == dp) {
1075                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to open proc");
1076         } else {
1077                 do {
1078                         ret = readdir_r(dp, &entry, &dirp);
1079                         if (0 != ret) {
1080                                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to readdir");
1081                                 break;
1082                         }
1083
1084                         if (NULL != dirp) {
1085                                 tmp = atoi(dirp->d_name);
1086                                 if (0 >= tmp)   continue;
1087                                 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
1088                         }
1089                 } while (NULL != dirp);
1090                 closedir(dp);
1091         }
1092         return;
1093 }
1094
1095 static void __vcd_cleanup_client(vcd_client_type_e type)
1096 {
1097         int* client_list = NULL;
1098         int client_count = 0;
1099         int i = 0;
1100         int j = 0;
1101         bool exist = false;
1102         int mgr_pid = -1;
1103         int ret = -1;
1104
1105         if (VCD_CLIENT_TYPE_NORMAL == type) {
1106                 ret = vcd_client_get_list(&client_list, &client_count);
1107         } else if (VCD_CLIENT_TYPE_WIDGET == type) {
1108                 ret = vcd_client_widget_get_list(&client_list, &client_count);
1109         } else if (VCD_CLIENT_TYPE_MANAGER == type) {
1110                 mgr_pid = vcd_client_manager_get_pid();
1111                 client_list = &mgr_pid;
1112                 client_count = 1;
1113                 if (-1 == mgr_pid) {
1114                         SLOG(LOG_WARN, TAG_VCD, "[WARNING] Invalid Manager pid");
1115                         return;
1116                 }
1117         }
1118
1119         if (0 == ret || mgr_pid > 0) {
1120                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up %s client ", type ? (type == 1) ? "Widget" : "Manager" : "Normal");
1121                 if (NULL != client_list && client_count > 0) {
1122                         for (i = 0; i < client_count; i++) {
1123                                 exist = false;
1124                                 GList *iter = NULL;
1125                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
1126                                         iter = g_list_nth(g_proc_list, j);
1127                                         if (NULL != iter) {
1128                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
1129                                                         SLOG(LOG_DEBUG, TAG_VCD, "%s pid(%d) is running", type ? (type == 1) ? "Widget" : "Manager" : "Normal", client_list[i]);
1130                                                         exist = true;
1131                                                         break;
1132                                                 }
1133                                         }
1134                                 }
1135
1136                                 if (false == exist) {
1137                                         SLOG(LOG_ERROR, TAG_VCD, "%s pid(%d) should be removed", type ? (type == 1) ? "Widget" : "Manager" : "Normal", client_list[i]);
1138                                         if (VCD_CLIENT_TYPE_NORMAL == type)
1139                                                 vcd_server_finalize(client_list[i]);
1140                                         else if (VCD_CLIENT_TYPE_WIDGET == type)
1141                                                 vcd_server_widget_finalize(client_list[i]);
1142                                         else
1143                                                 vcd_server_mgr_finalize(mgr_pid);
1144                                 }
1145                         }
1146                 }
1147                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
1148                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
1149         }
1150         if (NULL != client_list && -1 == mgr_pid) {
1151                 free(client_list);
1152                 client_list = NULL;
1153         }
1154         return;
1155 }
1156
1157 Eina_Bool vcd_cleanup_client_all(void *data)
1158 {
1159         __read_proc();
1160
1161         __vcd_cleanup_client(VCD_CLIENT_TYPE_NORMAL);
1162         __vcd_cleanup_client(VCD_CLIENT_TYPE_WIDGET);
1163         __vcd_cleanup_client(VCD_CLIENT_TYPE_MANAGER);
1164
1165 #if 0
1166         if (0 == vcd_client_get_list(&client_list, &client_count)) {
1167                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up client ");
1168                 if (NULL != client_list && client_count > 0) {
1169                         for (i = 0; i < client_count; i++) {
1170                                 exist = false;
1171                                 GList *iter = NULL;
1172                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
1173                                         iter = g_list_nth(g_proc_list, j);
1174                                         if (NULL != iter) {
1175                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
1176                                                         SLOG(LOG_DEBUG, TAG_VCD, "pid(%d) is running", client_list[i]);
1177                                                         exist = true;
1178                                                         break;
1179                                                 }
1180                                         }
1181                                 }
1182
1183                                 if (false == exist) {
1184                                         SLOG(LOG_ERROR, TAG_VCD, "pid(%d) should be removed", client_list[i]);
1185                                         vcd_server_finalize(client_list[i]);
1186                                 }
1187 #if 0
1188                                 result = vcdc_send_hello(client_list[i], VCD_CLIENT_TYPE_NORMAL);
1189
1190                                 if (0 == result) {
1191                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] pid(%d) should be removed.", client_list[i]);
1192                                         vcd_server_finalize(client_list[i]);
1193                                 } else if (-1 == result) {
1194                                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Hello result has error");
1195                                 }
1196 #endif
1197                         }
1198                 }
1199                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
1200                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
1201         }
1202         if (NULL != client_list) {
1203                 free(client_list);
1204                 client_list = NULL;
1205         }
1206
1207         /* If app is in background state, app cannot response message. */
1208         if (0 == vcd_client_widget_get_list(&client_list, &client_count)) {
1209                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up widget");
1210                 if (NULL != client_list && client_count > 0) {
1211                         for (i = 0; i < client_count; i++) {
1212                                 exist = false;
1213                                 GList *iter = NULL;
1214                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
1215                                         iter = g_list_nth(g_proc_list, j);
1216                                         if (NULL != iter) {
1217                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
1218                                                         SLOG(LOG_DEBUG, TAG_VCD, "widget pid(%d) is running", client_list[i]);
1219                                                         exist = true;
1220                                                         break;
1221                                                 }
1222                                         }
1223                                 }
1224
1225                                 if (false == exist) {
1226                                         SLOG(LOG_ERROR, TAG_VCD, "widget pid(%d) should be removed", client_list[i]);
1227                                         vcd_server_widget_finalize(client_list[i]);
1228                                 }
1229 #if 0
1230                                 result = vcdc_send_hello(client_list[i], VCD_CLIENT_TYPE_WIDGET);
1231
1232                                 if (0 == result) {
1233                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] widget pid(%d) should be removed.", client_list[i]);
1234                                         vcd_server_widget_finalize(client_list[i]);
1235                                 } else if (-1 == result) {
1236                                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Hello result has error");
1237                                 }
1238 #endif
1239                         }
1240                 }
1241                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
1242                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
1243         }
1244
1245         if (NULL != client_list) {
1246                 free(client_list);
1247                 client_list = NULL;
1248         }
1249
1250         /* manager */
1251         exist = false;
1252         GList *iter = NULL;
1253         int mgr_pid = vcd_client_manager_get_pid();
1254         if (0 < mgr_pid) {
1255                 for (j = 0; j < g_list_length(g_proc_list); j++) {
1256                         iter = g_list_nth(g_proc_list, j);
1257                         if (NULL != iter) {
1258                                 if (mgr_pid == GPOINTER_TO_INT(iter->data)) {
1259                                         SLOG(LOG_DEBUG, TAG_VCD, "manager pid(%d) is running", mgr_pid);
1260                                         exist = true;
1261                                         break;
1262                                 }
1263                         }
1264                 }
1265
1266                 if (false == exist) {
1267                         SLOG(LOG_ERROR, TAG_VCD, "manager pid (%d) should be removed", mgr_pid);
1268                         vcd_server_mgr_finalize(mgr_pid);
1269                 }
1270         }
1271 #endif
1272         return EINA_TRUE;
1273 }
1274
1275 int vcd_server_get_service_state()
1276 {
1277         return vcd_config_get_service_state();
1278 }
1279
1280 int vcd_server_get_foreground()
1281 {
1282         int pid;
1283         vcd_config_get_foreground(&pid);
1284         return pid;
1285 }
1286
1287
1288 /*
1289 * API for manager
1290 */
1291 int vcd_server_mgr_initialize(int pid)
1292 {
1293         if (false == g_is_engine) {
1294                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1295                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1296                         g_is_engine = false;
1297                         return VCD_ERROR_ENGINE_NOT_FOUND;
1298                 } else {
1299                         g_is_engine = true;
1300                 }
1301         }
1302
1303         /* check if pid is valid */
1304         if (false == vcd_client_manager_is_valid(pid)) {
1305                 SLOG(LOG_ERROR, TAG_VCD, "[Server] old manager pid(%d) be removed", vcd_client_manager_get_pid());
1306                 vcd_server_mgr_cancel();
1307                 vcd_client_manager_unset();
1308         }
1309
1310         /* Add client information to client manager */
1311         if (0 != vcd_client_manager_set(pid)) {
1312                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add manager");
1313                 return VCD_ERROR_OPERATION_FAILED;
1314         }
1315
1316         if (0 != vcdc_send_manager_pid(pid))
1317                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send manager pid");
1318
1319         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Manager initialize : pid(%d)", pid);
1320
1321         return VCD_ERROR_NONE;
1322 }
1323
1324 int vcd_server_mgr_finalize(int pid)
1325 {
1326         /* check if pid is valid */
1327         if (false == vcd_client_manager_is_valid(pid)) {
1328                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1329                 return VCD_ERROR_INVALID_PARAMETER;
1330         }
1331
1332         /* Cancel recognition */
1333         vcd_server_mgr_cancel();
1334
1335         if (0 != vcdc_send_manager_pid(-1))
1336                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send manager pid");
1337
1338         /* Remove manager information */
1339         if (0 != vcd_client_manager_unset()) {
1340                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
1341         }
1342
1343         if (0 == vcd_client_get_ref_count()) {
1344                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Connected client list is empty");
1345                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
1346         }
1347
1348         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Manager Finalize : pid(%d)", pid);
1349
1350         return VCD_ERROR_NONE;
1351 }
1352
1353 int vcd_server_mgr_set_command(int pid)
1354 {
1355         if (0 != vcd_client_manager_set_command(pid)) {
1356                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1357                 return VCD_ERROR_INVALID_PARAMETER;
1358         }
1359         return VCD_ERROR_NONE;
1360 }
1361
1362 int vcd_server_mgr_unset_command(int pid)
1363 {
1364         if (0 != vcd_client_manager_unset_command(pid)) {
1365                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1366                 return VCD_ERROR_INVALID_PARAMETER;
1367         }
1368         return VCD_ERROR_NONE;
1369 }
1370
1371 int vcd_server_mgr_set_demandable_client(int pid)
1372 {
1373         /* check if pid is valid */
1374         if (false == vcd_client_manager_is_valid(pid)) {
1375                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1376                 return VCD_ERROR_INVALID_PARAMETER;
1377         }
1378
1379         GSList* client_list = NULL;
1380         if (0 != vc_info_parser_get_demandable_clients(&client_list)) {
1381                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get demandable client");
1382                 return VCD_ERROR_OPERATION_FAILED;
1383         }
1384
1385         /* Save client list */
1386         if (0 != vcd_client_manager_set_demandable_client(pid, client_list)) {
1387                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set demandable client list");
1388                 return VCD_ERROR_OPERATION_FAILED;
1389         }
1390
1391         return VCD_ERROR_NONE;
1392 }
1393
1394 int vcd_server_mgr_set_audio_type(int pid, const char* audio_type)
1395 {
1396         /* check if pid is valid */
1397         if (false == vcd_client_manager_is_valid(pid)) {
1398                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1399                 return VCD_ERROR_INVALID_PARAMETER;
1400         }
1401
1402         int ret = 0;
1403         vcp_audio_type_e type = VCP_AUDIO_TYPE_PCM_S16_LE;
1404         int rate = 16000;
1405         int channel = 1;
1406
1407         ret = vcd_engine_get_audio_format(audio_type, &type, &rate, &channel);
1408         if (0 != ret) {
1409                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get audio format : %d", ret);
1410                 return VCD_ERROR_OPERATION_FAILED;
1411         }
1412
1413         ret = vcd_recorder_set(audio_type, type, rate, channel);
1414         if (0 != ret) {
1415                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set audio in type : %d", ret);
1416                 return VCD_ERROR_OPERATION_FAILED;
1417         }
1418
1419         return VCD_ERROR_NONE;
1420 }
1421
1422 int vcd_server_mgr_get_audio_type(int pid, char** audio_type)
1423 {
1424         /* check if pid is valid */
1425         if (false == vcd_client_manager_is_valid(pid)) {
1426                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1427                 return VCD_ERROR_INVALID_PARAMETER;
1428         }
1429
1430         int ret = vcd_recorder_get(audio_type);
1431         if (0 != ret) {
1432                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get audio in type : %d", ret);
1433                 return VCD_ERROR_OPERATION_FAILED;
1434         }
1435
1436         return VCD_ERROR_NONE;
1437 }
1438
1439 int vcd_server_mgr_set_client_info(int pid)
1440 {
1441         /* check if pid is valid */
1442         if (false == vcd_client_manager_is_valid(pid)) {
1443                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1444                 return VCD_ERROR_INVALID_PARAMETER;
1445         }
1446
1447         int ret = vcd_client_save_client_info();
1448         if (0 != ret) {
1449                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to save client info : %d", ret);
1450                 return VCD_ERROR_OPERATION_FAILED;
1451         }
1452
1453         return VCD_ERROR_NONE;
1454 }
1455
1456 static int __start_internal_recognition()
1457 {
1458         int ret;
1459
1460         /* 2. Get commands */
1461         ret = vcd_client_command_collect_command();
1462         if (0 != ret) {
1463                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to collect command : %d", ret);
1464                 return VCD_ERROR_OPERATION_FAILED;
1465         }
1466
1467         ret = vcd_client_get_length();
1468         if (0 == ret) {
1469                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNIING] No current command : %d", ret);
1470                 return VCD_ERROR_OPERATION_FAILED;
1471         }
1472
1473         /* 3. Set command to engine */
1474         ret = vcd_engine_set_commands();
1475         if (0 != ret) {
1476                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to collect command : %d", ret);
1477                 return VCD_ERROR_OPERATION_FAILED;
1478         }
1479
1480         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Set command");
1481
1482         bool stop_by_silence = true;
1483         if (VCD_RECOGNITION_MODE_MANUAL == vcd_client_get_recognition_mode()) {
1484                 stop_by_silence = false;
1485         }
1486
1487         vcd_client_manager_set_result_text(NULL);
1488
1489         /* 4. start recognition */
1490         ret = vcd_engine_recognize_start(stop_by_silence);
1491         if (0 != ret) {
1492                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1493                 return VCD_ERROR_OPERATION_FAILED;
1494         }
1495
1496         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start engine");
1497
1498         /* 5. recorder start */
1499         ret = vcd_recorder_start();
1500         if (0 != ret) {
1501                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1502                 vcd_engine_recognize_cancel();
1503                 return ret;
1504         }
1505
1506         vcd_config_set_service_state(VCD_STATE_RECORDING);
1507         vcdc_send_service_state(VCD_STATE_RECORDING);
1508
1509         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start recognition(%d)", stop_by_silence);
1510
1511         return 0;
1512 }
1513
1514 static Eina_Bool __vcd_request_show_tooltip(void *data)
1515 {
1516         int pid = vcd_client_widget_get_foreground_pid();
1517         if (-1 != pid) {
1518                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip show and widget command");
1519                 vcdc_send_show_tooltip(pid, (bool)data);
1520         }
1521
1522         return EINA_FALSE;
1523 }
1524
1525 int vcd_server_mgr_start(vcd_recognition_mode_e recognition_mode, bool exclusive_cmd, bool start_by_client)
1526 {
1527         /* 1. check current state */
1528         vcd_state_e state = vcd_config_get_service_state();
1529
1530         if (VCD_STATE_READY != state) {
1531                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1532                 return VCD_ERROR_INVALID_STATE;
1533         }
1534         if (-1 == vcd_client_manager_get_pid()) {
1535                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available.");
1536                 return VCD_ERROR_OPERATION_FAILED;
1537         }
1538
1539         SLOG(LOG_DEBUG, TAG_VCD, "[Server] set recognition mode = %d", recognition_mode);
1540         vcd_client_set_recognition_mode(recognition_mode);
1541
1542         if (false == exclusive_cmd) {
1543                 /* Notify show tooltip */
1544                 int pid = vcd_client_widget_get_foreground_pid();
1545                 if (-1 != pid) {
1546                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip show and widget command");
1547                         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)true);
1548                         return 0;
1549                 }
1550         } else {
1551                 vcd_client_manager_set_exclusive(exclusive_cmd);
1552         }
1553
1554         int fg_pid = -1;
1555         if (true == start_by_client) {
1556                 /* Get foreground pid */
1557                 if (0 != vcd_config_get_foreground(&fg_pid)) {
1558                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get foreground");
1559                 }
1560
1561                 /* Set client exclusive option */
1562                 if (0 != vcd_client_set_exclusive_command(fg_pid)) {
1563                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set exclusive command");
1564                 }
1565         }
1566
1567         int ret = __start_internal_recognition();
1568         if (0 != ret) {
1569                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recongition : %d", ret);
1570                 return ret;
1571         }
1572
1573         if (true == start_by_client) {
1574                 vcd_client_unset_exclusive_command(fg_pid);
1575         }
1576
1577         return VCD_ERROR_NONE;
1578 }
1579
1580 int vcd_server_mgr_stop()
1581 {
1582         /* 1. Check current state is recording */
1583         if (VCD_STATE_RECORDING != vcd_config_get_service_state()) {
1584                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not recording");
1585                 return VCD_ERROR_INVALID_STATE;
1586         }
1587         if (-1 == vcd_client_manager_get_pid()) {
1588                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available.");
1589                 return VCD_ERROR_OPERATION_FAILED;
1590         }
1591
1592         /* 2. Stop recorder */
1593         vcd_recorder_stop();
1594
1595         /* 3. Stop engine recognition */
1596         int ret = vcd_engine_recognize_stop();
1597         if (0 != ret) {
1598                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
1599         }
1600
1601         /* 4. Set original mode */
1602         vcd_config_set_service_state(VCD_STATE_PROCESSING);
1603         vcdc_send_service_state(VCD_STATE_PROCESSING);
1604
1605         return VCD_ERROR_NONE;
1606 }
1607
1608 int vcd_server_mgr_cancel()
1609 {
1610         /* 1. Check current state */
1611         vcd_state_e state = vcd_config_get_service_state();
1612         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
1613                 SLOG(LOG_WARN, TAG_VCD, "[Server ERROR] Current state is not recording or processing");
1614                 return VCD_ERROR_INVALID_STATE;
1615         }
1616         if (-1 == vcd_client_manager_get_pid()) {
1617                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available.");
1618                 return VCD_ERROR_OPERATION_FAILED;
1619         }
1620
1621         if (g_restart_timer != NULL) {
1622                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Delete restart engine timer");
1623                 ecore_timer_del(g_restart_timer);
1624                 g_restart_timer = NULL;
1625         }
1626
1627         /* 2. Stop recorder */
1628         vcd_recorder_stop();
1629         /* 3. Cancel engine */
1630         int ret = vcd_engine_recognize_cancel();
1631         if (0 != ret) {
1632                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to cancel : %d", ret);
1633         }
1634
1635         if (false == vcd_client_manager_get_exclusive()) {
1636                 int pid = vcd_client_widget_get_foreground_pid();
1637                 if (-1 != pid) {
1638                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
1639                         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)false);
1640                 }
1641         } else {
1642                 vcd_client_manager_set_exclusive(false);
1643         }
1644
1645         /* 4. Set state */
1646         vcd_config_set_service_state(VCD_STATE_READY);
1647         vcdc_send_service_state(VCD_STATE_READY);
1648
1649         return VCD_ERROR_NONE;
1650 }
1651
1652
1653 int vcd_server_mgr_result_select()
1654 {
1655         __vcd_send_selected_result(NULL);
1656
1657         return VCD_ERROR_NONE;
1658 }
1659
1660 int vcd_server_mgr_set_domain(int pid, const char* domain)
1661 {
1662         /* check if pid is valid */
1663         if (false == vcd_client_manager_is_valid(pid)) {
1664                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1665                 return VCD_ERROR_INVALID_PARAMETER;
1666         }
1667
1668         vcd_state_e state = vcd_config_get_service_state();
1669         if (VCD_STATE_READY != state) {
1670                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1671                 return VCD_ERROR_INVALID_STATE;
1672         }
1673
1674         /* Set domain to engine */
1675         int ret = vcd_engine_set_domain(pid, domain);
1676         if (0 != ret) {
1677                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set domain : %d", ret);
1678         } else {
1679                 SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] Set domain");
1680         }
1681
1682         return ret;
1683 }
1684
1685 int vcd_server_mgr_set_private_data(int pid, const char* key, const char* data)
1686 {
1687         /* check if pid is valid */
1688         if (false == vcd_client_manager_is_valid(pid)) {
1689                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1690                 return VCD_ERROR_INVALID_PARAMETER;
1691         }
1692
1693         vcd_state_e state = vcd_config_get_service_state();
1694         if (VCD_STATE_READY != state) {
1695                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1696                 return VCD_ERROR_INVALID_STATE;
1697         }
1698
1699         /* Set private data to engine */
1700         int ret = vcd_engine_set_private_data(pid, key, data);
1701         if (0 != ret) {
1702                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set private data : %d", ret);
1703         } else {
1704                 SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] Set private data");
1705         }
1706
1707         return ret;
1708 }
1709
1710 int vcd_server_mgr_get_private_data(int pid, const char* key, char** data)
1711 {
1712         /* check if pid is valid */
1713         if (false == vcd_client_manager_is_valid(pid)) {
1714                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1715                 return VCD_ERROR_INVALID_PARAMETER;
1716         }
1717         vcd_state_e state = vcd_config_get_service_state();
1718         if (VCD_STATE_READY != state) {
1719                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1720                 return VCD_ERROR_INVALID_STATE;
1721         }
1722
1723         /* Get private data to engine */
1724         int ret = vcd_engine_get_private_data(pid, key, data);
1725         if (0 != ret) {
1726                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get private data : %d", ret);
1727         } else {
1728                 SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] Set private data");
1729         }
1730
1731         return ret;
1732 }
1733
1734 int vcd_server_mgr_do_action(int pid, int type, const char* action)
1735 {
1736         int ret = -1;
1737
1738         /* check if pid is valid */
1739         if (false == vcd_client_manager_is_valid(pid)) {
1740                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
1741                 return VCD_ERROR_INVALID_PARAMETER;
1742         }
1743
1744         vcd_state_e state = vcd_config_get_service_state();
1745         if (VCD_STATE_READY != state) {
1746                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1747                 return VCD_ERROR_INVALID_STATE;
1748         }
1749
1750         /* Reqeust do action to engine */
1751         if (VCD_SEND_EVENT_TYPE_TEXT == type)
1752                 ret = vcd_engine_process_text(pid, action);
1753         else if (VCD_SEND_EVENT_TYPE_LIST_EVENT == type)
1754                 ret = vcd_engine_process_list_event(pid, action);
1755         else if (VCD_SEND_EVENT_TYPE_HAPTIC_EVENT == type)
1756                 ret = vcd_engine_process_haptic_event(pid, action);
1757
1758         if (0 != ret) {
1759                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to process do action : %d", ret);
1760         } else {
1761                 SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] Process do action");
1762         }
1763
1764         return ret;
1765 }
1766
1767 /*
1768 * VC Server Functions for Client
1769 */
1770 int vcd_server_initialize(int pid)
1771 {
1772         if (false == g_is_engine) {
1773                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1774                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1775                         g_is_engine = false;
1776                         return VCD_ERROR_ENGINE_NOT_FOUND;
1777                 } else {
1778                         g_is_engine = true;
1779                 }
1780         }
1781
1782         if (false == vcd_engine_is_available_engine()) {
1783                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1784                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1785                         return VCD_ERROR_ENGINE_NOT_FOUND;
1786                 }
1787         }
1788
1789         /* check if pid is valid */
1790         if (true == vcd_client_is_available(pid)) {
1791                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The pid is already exist");
1792                 return VCD_ERROR_INVALID_PARAMETER;
1793         }
1794
1795         /* Add client information to client manager */
1796         if (0 != vcd_client_add(pid)) {
1797                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add client info");
1798                 return VCD_ERROR_OPERATION_FAILED;
1799         }
1800
1801         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Client Initialize : pid(%d)", pid);
1802
1803         return VCD_ERROR_NONE;
1804 }
1805
1806 int vcd_server_finalize(int pid)
1807 {
1808         /* check if pid is valid */
1809         if (false == vcd_client_is_available(pid)) {
1810                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1811                 return VCD_ERROR_INVALID_PARAMETER;
1812         }
1813
1814         /* Remove client information */
1815         if (0 != vcd_client_delete(pid)) {
1816                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
1817         }
1818
1819         if (0 == vcd_client_get_ref_count()) {
1820                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Connected client list is empty");
1821                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
1822         }
1823
1824         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Client Finalize : pid(%d)", pid);
1825
1826         return VCD_ERROR_NONE;
1827 }
1828
1829 int vcd_server_set_command(int pid, vc_cmd_type_e cmd_type)
1830 {
1831         /* check if pid is valid */
1832         if (false == vcd_client_is_available(pid)) {
1833                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1834                 return VCD_ERROR_INVALID_PARAMETER;
1835         }
1836
1837         if (0 != vcd_client_set_command_type(pid, cmd_type)) {
1838                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set command type : pid(%d), cmd_type(%d)", pid, cmd_type);
1839                 return VCD_ERROR_OPERATION_FAILED;
1840         }
1841
1842         return 0;
1843 }
1844
1845 int vcd_server_unset_command(int pid, vc_cmd_type_e cmd_type)
1846 {
1847         /* check if pid is valid */
1848         if (false == vcd_client_is_available(pid)) {
1849                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1850                 return VCD_ERROR_INVALID_PARAMETER;
1851         }
1852
1853         if (0 != vcd_client_unset_command_type(pid, cmd_type)) {
1854                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to unset command type : pid(%d), cmd_type(%d)", pid, cmd_type);
1855                 return VCD_ERROR_OPERATION_FAILED;
1856         }
1857
1858         return 0;
1859 }
1860
1861 int vcd_server_set_foreground(int pid, bool value)
1862 {
1863         /* check if pid is valid */
1864         if (false == vcd_client_is_available(pid) && false == vcd_client_widget_is_available(pid)) {
1865                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1866                 return VCD_ERROR_INVALID_PARAMETER;
1867         }
1868
1869         if (0 != vcd_config_set_foreground(pid, value)) {
1870                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set foreground : pid(%d), value(%d)", pid, value);
1871                 return VCD_ERROR_OPERATION_FAILED;
1872         }
1873
1874         return 0;
1875 }
1876
1877 static int __vcd_server_launch_manager_app()
1878 {
1879         int ret = -1;
1880         bool running = false;
1881         char* appid = NULL;
1882
1883         ret = vcd_client_manager_get_appid(&appid);
1884         if (0 != ret || NULL == appid) {
1885                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to get manager appid");
1886                 return VCD_ERROR_OPERATION_FAILED;
1887         }
1888         ret = app_manager_is_running(appid, &running);
1889         if (0 != ret) {
1890                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to check running with appid(%s)", appid);
1891                 free(appid);
1892                 appid = NULL;
1893                 return VCD_ERROR_OPERATION_FAILED;
1894         }
1895         if (false == running) {
1896                 int tmp_ret = __vcd_is_package_installed(appid);
1897                 if (false == tmp_ret) {
1898                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] manager app is not installed, appid(%s)", appid);
1899                 } else {
1900                         ret = __vcd_activate_app_by_appcontrol(appid);
1901                         if (0 != ret) {
1902                                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to activate app");
1903                                 free(appid);
1904                                 appid = NULL;
1905                                 return ret;
1906                         }
1907                         SLOG(LOG_ERROR, TAG_VCD, "Launch vc manager app: appid(%s)", appid);
1908                 }
1909         } else {
1910                 ret = __vcd_resume_app(appid);
1911                 if (0 != ret) {
1912                         SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to resume app");
1913                         free(appid);
1914                         appid = NULL;
1915                         return ret;
1916                 }
1917                 SLOG(LOG_ERROR, TAG_VCD, "Resume vc manager app: appid(%s)", appid);
1918         }
1919
1920         free(appid);
1921         appid = NULL;
1922
1923         return VCD_ERROR_NONE;
1924 }
1925
1926 int vcd_server_dialog(int pid, const char* disp_text, const char* utt_text, int continuous)
1927 {
1928         /* check if pid is valid */
1929         if (false == vcd_client_is_available(pid) && false == vcd_client_widget_is_available(pid)) {
1930                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1931                 return VCD_ERROR_INVALID_PARAMETER;
1932         }
1933
1934         int ret = __vcd_server_launch_manager_app();
1935         if (0 != ret) {
1936                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to send dialog : mgr_pid(%d), pid(%d), disp_text(%s), utt_text(%s), continue(%d)", vcd_client_manager_get_pid(), pid, disp_text, utt_text, continuous);
1937                 return ret;
1938         }
1939
1940         ret = vcdc_send_dialog(vcd_client_manager_get_pid(), pid, disp_text, utt_text, continuous);
1941         if (0 != ret) {
1942                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to send dialog : mgr_pid(%d), pid(%d), disp_text(%s), utt_text(%s), continue(%d)", vcd_client_manager_get_pid(), pid, disp_text, utt_text, continuous);
1943                 return ret;
1944         }
1945
1946         return 0;
1947 }
1948
1949 int vcd_server_is_system_command_valid(int pid, int* is_sys_cmd_valid)
1950 {
1951         /* check if pid is valid */
1952         if (false == vcd_client_is_available(pid) && false == vcd_client_widget_is_available(pid)) {
1953                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1954                 return VCD_ERROR_INVALID_PARAMETER;
1955         }
1956
1957         /* check if system command is valid */
1958         if (true == vcd_client_manager_is_system_command_valid(vcd_client_manager_get_pid()))
1959                 *is_sys_cmd_valid = true;
1960         else
1961                 *is_sys_cmd_valid = false;
1962
1963         return 0;
1964 }
1965
1966 #if 0
1967 int vcd_server_set_exclusive_command(int pid, bool value)
1968 {
1969         /* check if pid is valid */
1970         if (false == vcd_client_is_available(pid)) {
1971                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1972                 return VCD_ERROR_INVALID_PARAMETER;
1973         }
1974
1975         if (true == value) {
1976                 if (0 != vcd_client_set_exclusive_command(pid)) {
1977                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set exclusive command : pid(%d)", pid);
1978                         return VCD_ERROR_OPERATION_FAILED;
1979                 }
1980         } else {
1981                 if (0 != vcd_client_unset_exclusive_command(pid)) {
1982                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to unset exclusive command : pid(%d)", pid);
1983                         return VCD_ERROR_OPERATION_FAILED;
1984                 }
1985         }
1986
1987         return 0;
1988 }
1989
1990 int vcd_server_request_start(int pid, bool stop_by_silence)
1991 {
1992         /* check if pid is valid */
1993         if (false == vcd_client_is_available(pid)) {
1994                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid(%d) is NOT forground client", pid);
1995                 return VCD_ERROR_INVALID_PARAMETER;
1996         }
1997
1998         int ret;
1999         /* Check current state */
2000         vcd_state_e state = vcd_config_get_service_state();
2001
2002         /* Service state should be ready */
2003         if (VCD_STATE_READY != state) {
2004                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Ready : pid(%d)", pid);
2005                 return VCD_ERROR_INVALID_STATE;
2006         }
2007
2008         if (-1 != vcd_client_manager_get_pid()) {
2009                 /* Check current pid is valid */
2010                 if (false == vcd_client_manager_check_demandable_client(pid)) {
2011                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
2012                         return VCD_ERROR_INVALID_PARAMETER;
2013                 }
2014         }
2015
2016         ret = vcd_server_mgr_start(stop_by_silence, false);
2017         if (0 != ret) {
2018                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
2019                 return VCD_ERROR_INVALID_PARAMETER;
2020         }
2021
2022         return 0;
2023 }
2024
2025 int vcd_server_request_stop(int pid)
2026 {
2027         int ret;
2028         /* Check current state */
2029         vcd_state_e state = vcd_config_get_service_state();
2030
2031         /* Service state should be ready */
2032         if (VCD_STATE_RECORDING != state) {
2033                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording : pid(%d)", pid);
2034                 return VCD_ERROR_INVALID_STATE;
2035         }
2036
2037         if (-1 != vcd_client_manager_get_pid()) {
2038                 /* Check current pid is valid */
2039                 if (false == vcd_client_manager_check_demandable_client(pid)) {
2040                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
2041                         return VCD_ERROR_INVALID_PARAMETER;
2042                 }
2043         }
2044
2045         ret = vcd_server_mgr_stop();
2046         if (0 != ret) {
2047                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
2048                 return VCD_ERROR_OPERATION_FAILED;
2049         }
2050
2051         return VCD_ERROR_NONE;
2052 }
2053
2054 int vcd_server_request_cancel(int pid)
2055 {
2056         int ret;
2057         /* Check current state */
2058         vcd_state_e state = vcd_config_get_service_state();
2059
2060         /* Service state should be recording or processing */
2061         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
2062                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording or Processing : pid(%d)", pid);
2063                 return VCD_ERROR_INVALID_STATE;
2064         }
2065
2066         if (-1 != vcd_client_manager_get_pid()) {
2067                 /* Check current pid is valid */
2068                 if (false == vcd_client_manager_check_demandable_client(pid)) {
2069                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
2070                         return VCD_ERROR_INVALID_PARAMETER;
2071                 }
2072         }
2073
2074         ret = vcd_server_mgr_cancel();
2075         if (0 != ret) {
2076                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
2077                 return VCD_ERROR_OPERATION_FAILED;
2078         }
2079
2080         return VCD_ERROR_NONE;
2081 }
2082 #endif
2083
2084 /*
2085 * VC Server Functions for Widget lib
2086 */
2087 int vcd_server_widget_initialize(int pid)
2088 {
2089         if (false == g_is_engine) {
2090                 if (0 != vcd_engine_agent_initialize_current_engine()) {
2091                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
2092                         g_is_engine = false;
2093                         return VCD_ERROR_ENGINE_NOT_FOUND;
2094                 } else {
2095                         g_is_engine = true;
2096                 }
2097         }
2098
2099         if (false == vcd_engine_is_available_engine()) {
2100                 if (0 != vcd_engine_agent_initialize_current_engine()) {
2101                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
2102                         return VCD_ERROR_ENGINE_NOT_FOUND;
2103                 }
2104         }
2105
2106         /* check if pid is valid */
2107         if (true == vcd_client_widget_is_available(pid)) {
2108                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The pid is already exist");
2109                 return VCD_ERROR_INVALID_PARAMETER;
2110         }
2111
2112         /* Add client information to client manager */
2113         if (0 != vcd_client_widget_add(pid)) {
2114                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add client info");
2115                 return VCD_ERROR_OPERATION_FAILED;
2116         }
2117
2118         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Initialize widget : pid(%d)", pid);
2119
2120         return VCD_ERROR_NONE;
2121 }
2122
2123 int vcd_server_widget_finalize(int pid)
2124 {
2125         /* check if pid is valid */
2126         if (false == vcd_client_widget_is_available(pid)) {
2127                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
2128                 return VCD_ERROR_INVALID_PARAMETER;
2129         }
2130
2131         /* Remove client information */
2132         if (0 != vcd_client_widget_delete(pid)) {
2133                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
2134         }
2135
2136         if (0 == vcd_client_get_ref_count()) {
2137                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] connected client list is empty");
2138                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
2139         }
2140
2141         return VCD_ERROR_NONE;
2142 }
2143
2144 int vcd_server_widget_start_recording(int pid, bool widget_command)
2145 {
2146         /* check if pid is valid */
2147         if (false == vcd_client_widget_is_available(pid)) {
2148                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
2149                 return VCD_ERROR_INVALID_PARAMETER;
2150         }
2151
2152         if (true == widget_command) {
2153                 vcd_client_widget_set_command(pid);
2154                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] widget command is available");
2155         } else {
2156                 vcd_client_widget_unset_command(pid);
2157                 SLOG(LOG_WARN, TAG_VCD, "[Server] widget command is NOT available");
2158         }
2159
2160         int ret = __start_internal_recognition();
2161         if (0 != ret) {
2162                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recongition : %d", ret);
2163                 ecore_timer_add(0, __vcd_request_show_tooltip, (void*)false);
2164         }
2165
2166         return 0;
2167 }
2168
2169 int vcd_server_widget_start(int pid, bool stop_by_silence)
2170 {
2171         /* check if pid is valid */
2172         int fore_pid = vcd_client_widget_get_foreground_pid();
2173         if (pid != fore_pid) {
2174                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
2175                 return VCD_ERROR_INVALID_PARAMETER;
2176         }
2177
2178         /* Check current state */
2179         vcd_state_e state = vcd_config_get_service_state();
2180
2181         /* Service state should be ready */
2182         if (VCD_STATE_READY != state) {
2183                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Ready : pid(%d)", pid);
2184                 return VCD_ERROR_INVALID_STATE;
2185         }
2186
2187         vcd_client_set_slience_detection(stop_by_silence);
2188
2189         /* Notify show tooltip */
2190         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)true);
2191
2192         return 0;
2193 }
2194
2195 int vcd_server_widget_stop(int pid)
2196 {
2197         /* check if pid is valid */
2198         int fore_pid = vcd_client_widget_get_foreground_pid();
2199         if (pid != fore_pid) {
2200                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
2201                 return VCD_ERROR_INVALID_PARAMETER;
2202         }
2203
2204         int ret;
2205         /* Check current state */
2206         vcd_state_e state = vcd_config_get_service_state();
2207
2208         /* Service state should be recording */
2209         if (VCD_STATE_RECORDING != state) {
2210                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current service state is not Recording : pid(%d)", pid);
2211                 return VCD_ERROR_INVALID_STATE;
2212         }
2213
2214         ret = vcd_server_mgr_stop();
2215         if (0 != ret) {
2216                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
2217                 return VCD_ERROR_OPERATION_FAILED;
2218         }
2219
2220         return VCD_ERROR_NONE;
2221 }
2222
2223 int vcd_server_widget_cancel(int pid)
2224 {
2225         /* check if pid is valid */
2226         int fore_pid = vcd_client_widget_get_foreground_pid();
2227         if (pid != fore_pid) {
2228                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
2229                 return VCD_ERROR_INVALID_PARAMETER;
2230         }
2231
2232         int ret;
2233         /* Check current state */
2234         vcd_state_e state = vcd_config_get_service_state();
2235
2236         /* Service state should be recording or processing */
2237         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
2238                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording or Processing : pid(%d)", pid);
2239                 return VCD_ERROR_INVALID_STATE;
2240         }
2241
2242         ret = vcd_server_mgr_cancel();
2243         if (0 != ret) {
2244                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to cancel recognition : %d", ret);
2245                 return ret;
2246         }
2247
2248         return VCD_ERROR_NONE;
2249 }
2250