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 <dirent.h>
  18 #include <sound_manager.h>
  19
  20 #include "vc_info_parser.h"
  21 #include "vcd_main.h"
  22 #include "vcd_server.h"
  23 #include "vcd_client_data.h"
  24
  25 #include "vcd_engine_agent.h"
  26 #include "vcd_config.h"
  27 #include "vcd_recorder.h"
  28 #include "vcd_dbus.h"
  29
  30 #include "voice_control_command_expand.h"
  31
  32 /*
  33 * VC Server static variable
  34 */
  35 static bool     g_is_engine;
  36
  37 static GList *g_proc_list = NULL;
  38
  39 /*
  40 * VC Server Internal Functions
  41 */
  42 static Eina_Bool __stop_by_silence(void *data)
  43 {
  44         SLOG(LOG_DEBUG, TAG_VCD, "===== Silence Detected ");
  45
  46         vcd_server_mgr_stop();
  47
  48         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  49         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  50         return EINA_FALSE;
  51 }
  52
  53 static Eina_Bool __cancel_by_interrupt(void *data)
  54 {
  55         SLOG(LOG_DEBUG, TAG_VCD, "===== Cancel by interrupt");
  56
  57         vcd_server_mgr_cancel();
  58
  59         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  60         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  61         return EINA_FALSE;
  62 }
  63
  64 static Eina_Bool __restart_engine(void *data)
  65 {
  66         SLOG(LOG_DEBUG, TAG_VCD, "===== Restart by no result");
  67
  68         /* Restart recognition */
  69         int ret = vcd_engine_recognize_start(true);
  70         if (0 != ret) {
  71                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to restart recognition : result(%d)", ret);
  72                 return EINA_FALSE;
  73         }
  74
  75         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start engine");
  76
  77         if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
  78                 vcd_config_set_service_state(VCD_STATE_RECORDING);
  79                 vcdc_send_service_state(VCD_STATE_RECORDING);
  80         }
  81
  82         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Restart recognition");
  83
  84         SLOG(LOG_DEBUG, TAG_VCD, "=====");
  85         SLOG(LOG_DEBUG, TAG_VCD, "  ");
  86         return EINA_FALSE;
  87 }
  88
  89 static int __server_recorder_callback(const void* data, const unsigned int length)
  90 {
  91         vcd_state_e state = vcd_config_get_service_state();
  92         if (VCD_STATE_RECORDING != state) {
  93                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Skip by engine processing");
  94                 return 0;
  95         }
  96
  97         vcp_speech_detect_e speech_detected = VCP_SPEECH_DETECT_NONE;
  98         int ret;
  99
 100         ret = vcd_engine_recognize_audio(data, length, &speech_detected);
 101
 102         if (0 > ret) {
 103                 /* Error */
 104                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set recording data to engine(%d)", ret);
 105                 ecore_timer_add(0, __cancel_by_interrupt, NULL);
 106                 return 0;
 107         }
 108
 109         if (VCP_SPEECH_DETECT_BEGIN == speech_detected) {
 110                 if (-1 != vcd_client_manager_get_pid()) {
 111                         /* Manager client is available */
 112                         if (0 != vcdc_send_speech_detected(vcd_client_manager_get_pid())) {
 113                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send speech detected");
 114                         }
 115                 }
 116         } else if (VCP_SPEECH_DETECT_END == speech_detected) {
 117                 if (VCD_RECOGNITION_MODE_STOP_BY_SILENCE == vcd_client_get_recognition_mode()) {
 118                         /* silence detected */
 119                         ecore_timer_add(0, __stop_by_silence, NULL);
 120                 } else if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
 121                         /* Stop engine recognition */
 122                         int ret = vcd_engine_recognize_stop();
 123                         if (0 != ret) {
 124                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
 125                         }
 126                         vcd_config_set_service_state(VCD_STATE_PROCESSING);
 127                         vcdc_send_service_state(VCD_STATE_PROCESSING);
 128
 129                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Stop engine only by silence");
 130                 } else if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY == vcd_client_get_recognition_mode()) {
 131                         /* Stop engine recognition */
 132                         int ret = vcd_engine_recognize_stop();
 133                         if (0 != ret) {
 134                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
 135                         }
 136                 }
 137         }
 138
 139         return 0;
 140 }
 141
 142 void __server_recorder_interrupt_callback()
 143 {
 144         SLOG(LOG_DEBUG, TAG_VCD, "===== Cancel by sound interrupt");
 145
 146         ecore_timer_add(0, __cancel_by_interrupt, NULL);
 147
 148         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 149         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 150 }
 151
 152 static void __config_lang_changed_cb(const char* current_lang, void* user_data)
 153 {
 154         SLOG(LOG_DEBUG, TAG_VCD, "===== Change language ");
 155
 156         /* Current state is recording */
 157         vcd_state_e state = vcd_config_get_service_state();
 158         if (VCD_STATE_RECORDING == state || VCD_STATE_PROCESSING == state) {
 159                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is 'Recording'. Cancel recognition");
 160                 vcd_server_mgr_cancel();
 161         }
 162
 163         int ret;
 164         ret = vcd_engine_set_current_language(current_lang);
 165         if (0 != ret) {
 166                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set language of engine : %d", ret);
 167         }
 168
 169         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 170         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 171
 172         return;
 173 }
 174
 175 static void __config_foreground_changed_cb(int previous, int current, void* user_data)
 176 {
 177         SLOG(LOG_DEBUG, TAG_VCD, "===== Change foreground");
 178
 179         SLOG(LOG_DEBUG, TAG_VCD, "Foreground pid(%d)", current);
 180
 181         if (VC_NO_FOREGROUND_PID != current) {
 182                 /* Foreground app is changed */
 183                 vcd_state_e state = vcd_config_get_service_state();
 184                 if (VCD_STATE_RECORDING == state) {
 185                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Foreground pid(%d) is changed. Cancel recognition", current);
 186                         ecore_timer_add(0, __cancel_by_interrupt, NULL);
 187                 }
 188         }
 189
 190         SLOG(LOG_DEBUG, TAG_VCD, "=====");
 191         SLOG(LOG_DEBUG, TAG_VCD, "  ");
 192
 193         return;
 194 }
 195
 196 static Eina_Bool __vcd_send_selected_result(void *data)
 197 {
 198         GSList* pid_list = NULL;
 199         if (0 != vc_info_parser_get_result_pid_list(&pid_list)) {
 200                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to get pid list. No result");
 201         } else {
 202                 if (0 < g_slist_length(pid_list)) {
 203                         GSList* iter = NULL;
 204                         vc_cmd_s* temp_cmd = NULL;
 205                         int ret = 0;
 206                         int count = 0;
 207
 208                         iter = g_slist_nth(pid_list, 0);
 209                         while (NULL != iter) {
 210                                 temp_cmd = iter->data;
 211
 212                                 if (NULL != temp_cmd) {
 213                                         count = 0;
 214                                         do {
 215                                                 /* send result noti */
 216                                                 ret = vcdc_send_result(temp_cmd->pid, temp_cmd->type);
 217                                                 if (0 != ret) {
 218                                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 219                                                         if (VCD_ERROR_TIMED_OUT != ret) {
 220                                                                 break;
 221                                                         }
 222                                                 } else {
 223                                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Send result : pid(%d) type(%d)", temp_cmd->pid, temp_cmd->type);
 224                                                 }
 225                                                 count++;
 226
 227                                                 if (100 == count)       break;
 228                                                 /* While is retry code */
 229                                         } while (0 != ret);
 230                                         free(temp_cmd);
 231                                 }
 232
 233                                 pid_list = g_slist_remove_link(pid_list, iter);
 234                                 iter = g_slist_nth(pid_list, 0);
 235                         }
 236                 }
 237         }
 238
 239         if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY != vcd_client_get_recognition_mode()) {
 240                 vcd_config_set_service_state(VCD_STATE_READY);
 241                 vcdc_send_service_state(VCD_STATE_READY);
 242         }
 243
 244         return EINA_FALSE;
 245 }
 246
 247 static int __convert_type_to_priority(vc_cmd_type_e type)
 248 {
 249         switch (type) {
 250                 case VC_COMMAND_TYPE_NONE:              return 0; break;
 251                 case VC_COMMAND_TYPE_BACKGROUND:        return 1; break;
 252                 case VC_COMMAND_TYPE_FOREGROUND:        return 2; break;
 253                 case VC_COMMAND_TYPE_WIDGET:            return 2; break;
 254                 case VC_COMMAND_TYPE_SYSTEM:            return 3; break;
 255                 case VC_COMMAND_TYPE_EXCLUSIVE:         return 3; break;
 256                 default:                                return 0; break;
 257         }
 258 }
 259
 260 static void __vcd_server_result_cb(vcp_result_event_e event, int* result_id, int count, const char* all_result,
 261                                                                    const char* non_fixed_result, const char* msg, void *user_data)
 262 {
 263         if (VCD_STATE_PROCESSING != vcd_config_get_service_state()) {
 264                 if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY != vcd_client_get_recognition_mode()) {
 265                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not 'Processing' and mode is not 'Restart continuously'");
 266                         return;
 267                 }
 268         }
 269
 270         vc_info_parser_unset_result(vcd_client_manager_get_exclusive());
 271
 272         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Event(%d), Text(%s) Nonfixed(%s) Msg(%s) Result count(%d)",
 273                 event, all_result, non_fixed_result, msg, count);
 274
 275         if (VCD_RECOGNITION_MODE_RESTART_AFTER_REJECT == vcd_client_get_recognition_mode()) {
 276                 if (VCP_RESULT_EVENT_REJECTED == event) {
 277                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Restart by no or rejected result");
 278                         /* If no result and restart option is ON */
 279                         /* Send reject message */
 280                         bool temp = vcd_client_manager_get_exclusive();
 281                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 282                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NOTIFICATION)) {
 283                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 284                         }
 285
 286                         ecore_timer_add(0, __restart_engine, NULL);
 287                         return;
 288                 }
 289                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Stop recorder due to success");
 290                 vcd_recorder_stop();
 291         } else if (VCD_RECOGNITION_MODE_RESTART_CONTINUOUSLY == vcd_client_get_recognition_mode()) {
 292                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Restart continuously");
 293                 /* Restart option is ON */
 294                 ecore_timer_add(0, __restart_engine, NULL);
 295                 if (VCP_RESULT_EVENT_REJECTED == event) {
 296                         bool temp = vcd_client_manager_get_exclusive();
 297                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 298                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NOTIFICATION)) {
 299                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 300                         }
 301                         return;
 302                 }
 303         }
 304
 305         /* No result */
 306         if (NULL == result_id) {
 307                 /* No result */
 308                 if (NULL != all_result) {
 309                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Engine result is no command : %s", all_result);
 310                         bool temp = vcd_client_manager_get_exclusive();
 311                         vc_info_parser_set_result(all_result, event, msg, NULL, temp);
 312                 }
 313
 314                 int pid = vcd_client_widget_get_foreground_pid();
 315                 if (-1 != pid) {
 316                         if (NULL != all_result) {
 317                                 /* Send result text to widget */
 318                                 vcdc_send_result(pid, VC_COMMAND_TYPE_WIDGET);
 319                         }
 320
 321                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 322                         /* Send to hide tooltip */
 323                         vcdc_send_show_tooltip(pid, false);
 324                 }
 325
 326                 if (-1 != vcd_client_manager_get_pid()) {
 327                         /* Manager client is available */
 328                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 329                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 330                         }
 331                 }
 332
 333                 vcd_client_manager_set_exclusive(false);
 334
 335                 return;
 336         }
 337
 338         /* Normal result */
 339         SLOG(LOG_DEBUG, TAG_VCD, "[Server] === Get engine result ===");
 340
 341         int ret = -1;
 342         vc_cmd_s* temp_cmd = NULL;
 343         vc_cmd_list_h vc_cmd_list = NULL;
 344
 345         if (0 != vc_cmd_list_create(&vc_cmd_list)) {
 346                 SLOG(LOG_ERROR, TAG_VCD, "[Server] Fail to create command list");
 347                 vcd_client_manager_set_exclusive(false);
 348                 vcd_config_set_service_state(VCD_STATE_READY);
 349                 vcdc_send_service_state(VCD_STATE_READY);
 350                 return;
 351         }
 352
 353         int i = 0;
 354         int priority = 0;
 355         for (i = 0; i < count; i++) {
 356                 SLOG(LOG_DEBUG, TAG_VCD, "[Server]   [%d] Result ID(%d)", i, result_id[i]);
 357
 358                 if (result_id[i] < 0) {
 359                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Result ID(%d) is NOT valid", result_id[i]);
 360                         continue;
 361                 }
 362
 363                 ret = vcd_client_get_cmd_from_result_id(result_id[i], &temp_cmd);
 364                 if (0 == ret && NULL != temp_cmd) {
 365                         /* Add priority filter */
 366                         int temp_priority = __convert_type_to_priority(temp_cmd->type);
 367                         if (priority > temp_priority) {
 368                                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Ignore result by priority");
 369                                 continue;
 370                         } else if (priority < temp_priority) {
 371                                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] High priority result!!");
 372                                 priority = temp_priority;
 373
 374                                 if (0 != vc_cmd_list_remove_all(vc_cmd_list, true)) {
 375                                         SLOG(LOG_ERROR, TAG_VCD, "[Server] Fail to list remove all");
 376                                 }
 377                         }
 378
 379                         switch (temp_cmd->format) {
 380                         case VC_CMD_FORMAT_FIXED:
 381                                 /* Nonfixed result is NOT valid */
 382                                 break;
 383                         case VC_CMD_FORMAT_FIXED_AND_EXTRA:
 384                                 if (NULL == temp_cmd->parameter) {
 385                                         if (NULL != non_fixed_result) {
 386                                                 temp_cmd->parameter = strdup(non_fixed_result);
 387                                         }
 388                                 } else {
 389                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Command type is NOT vaild. Parameter (%s)", temp_cmd->parameter);
 390                                 }
 391                                 break;
 392                         case VC_CMD_FORMAT_EXTRA_AND_FIXED:
 393                                 if (NULL == temp_cmd->command) {
 394                                         if (NULL != non_fixed_result) {
 395                                                 temp_cmd->command = strdup(non_fixed_result);
 396                                         }
 397                                 } else {
 398                                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Command type is NOT vaild. Command (%s)", temp_cmd->command);
 399                                 }
 400
 401                                 break;
 402                         default:
 403                                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Unknown command type : %d", temp_cmd->type);
 404                         }
 405
 406                         temp_cmd->id = i;
 407                         if (0 != vc_cmd_list_add(vc_cmd_list, (vc_cmd_h)temp_cmd)) {
 408                                 SLOG(LOG_DEBUG, TAG_VCD, "Fail to add command to list");
 409                                 vc_cmd_destroy((vc_cmd_h)temp_cmd);
 410                         }
 411                 } else {
 412                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] NOT found matached result(%d)", result_id[i]);
 413                 }
 414         }
 415
 416         vc_cmd_print_list(vc_cmd_list);
 417
 418         SLOG(LOG_DEBUG, TAG_VCD, "[Server] =========================");
 419
 420         int result_count = 0;
 421         vc_cmd_list_get_count(vc_cmd_list, &result_count);
 422
 423         if (false == vcd_client_manager_get_exclusive()) {
 424                 int pid = vcd_client_widget_get_foreground_pid();
 425                 if (-1 != pid) {
 426                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
 427                         vcdc_send_show_tooltip(pid, false);
 428                 }
 429
 430                 vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, false);
 431
 432                 if (-1 != vcd_client_manager_get_pid()) {
 433                         /* Manager client is available */
 434                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 435                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 436                         }
 437                 } else {
 438                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Manager is NOT available. Send result to client directly");
 439                         /* Send result to client */
 440                         ecore_timer_add(0, __vcd_send_selected_result, NULL);
 441                 }
 442         } else {
 443                 /* exclusive command */
 444                 vc_info_parser_set_result(all_result, event, msg, vc_cmd_list, true);
 445
 446                 if (-1 != vcd_client_manager_get_pid()) {
 447                         /* Manager client is available */
 448                         if (0 != vcdc_send_result_to_manager(vcd_client_manager_get_pid(), VC_RESULT_TYPE_NORMAL)) {
 449                                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to send result");
 450                         }
 451                 } else {
 452                         SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Manager is NOT available");
 453                 }
 454
 455                 vcd_client_manager_set_exclusive(false);
 456         }
 457
 458         vc_cmd_list_destroy(vc_cmd_list, true);
 459
 460         return;
 461 }
 462
 463 /*
 464 * vcd server Interfaces
 465 */
 466 static void __vcd_file_clean_up()
 467 {
 468         SLOG(LOG_DEBUG, TAG_VCD, "== Old file clean up == ");
 469
 470         DIR *dp = NULL;
 471         int ret = -1;
 472         struct dirent entry;
 473         struct dirent *dirp = NULL;
 474
 475         dp = opendir(VC_RUNTIME_INFO_ROOT);
 476         if (dp == NULL) {
 477                 SLOG(LOG_ERROR, TAG_VCD, "[File message WARN] Fail to open path : %s", VC_RUNTIME_INFO_ROOT);
 478                 return;
 479         }
 480
 481         char remove_path[256] = {0, };
 482         do {
 483                 ret = readdir_r(dp, &entry, &dirp);
 484                 if (0 != ret) {
 485                         SLOG(LOG_ERROR, TAG_VCD, "[File ERROR] Fail to read directory");
 486                         break;
 487                 }
 488
 489                 if (NULL != dirp) {
 490                         if (!strncmp("vc_", dirp->d_name, strlen("vc_"))) {
 491                                 memset(remove_path, 0, 256);
 492                                 snprintf(remove_path, 256, "%s/%s", VC_RUNTIME_INFO_ROOT, dirp->d_name);
 493
 494                                 /* Clean up code */
 495                                 if (0 != remove(remove_path)) {
 496                                         SLOG(LOG_WARN, TAG_VCD, "[File message WARN] Fail to remove file : %s", remove_path);
 497                                 } else {
 498                                         SLOG(LOG_DEBUG, TAG_VCD, "[File message] Remove file : %s", remove_path);
 499                                 }
 500                         }
 501                 }
 502         } while (NULL != dirp);
 503
 504         closedir(dp);
 505
 506         return;
 507 }
 508
 509 int vcd_initialize()
 510 {
 511         int ret = 0;
 512
 513         /* Remove old file */
 514         __vcd_file_clean_up();
 515
 516         /* initialize modules */
 517         ret = vcd_config_initialize(__config_lang_changed_cb, __config_foreground_changed_cb, NULL);
 518         if (0 != ret) {
 519                 SLOG(LOG_ERROR, TAG_VCD, "[Server WARNING] Fail to initialize config.");
 520         }
 521
 522         vcd_config_set_service_state(VCD_STATE_NONE);
 523
 524         ret = vcd_engine_agent_init(__vcd_server_result_cb);
 525         if (0 != ret) {
 526                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to engine agent initialize : result(%d)", ret);
 527                 return ret;
 528         }
 529
 530         if (0 != vcd_recorder_create(__server_recorder_callback, __server_recorder_interrupt_callback)) {
 531                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to create recorder");
 532                 return VCD_ERROR_OPERATION_FAILED;
 533         }
 534
 535         /* Find engine */
 536         ret = vcd_engine_agent_initialize_current_engine();
 537         if (0 != ret) {
 538                 if (VCD_ERROR_ENGINE_NOT_FOUND == ret)
 539                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] There is No Voice control engine");
 540                 else
 541                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to init engine");
 542
 543                 g_is_engine = false;
 544         } else {
 545                 g_is_engine = true;
 546         }
 547
 548         /* Load engine */
 549         if (0 != vcd_engine_agent_load_current_engine()) {
 550                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to load current engine");
 551                 return VCD_ERROR_OPERATION_FAILED;
 552         }
 553
 554         /* Initialize manager info */
 555         vcd_client_manager_unset();
 556
 557         vcd_config_set_service_state(VCD_STATE_READY);
 558         vcdc_send_service_state(VCD_STATE_READY);
 559
 560         SLOG(LOG_DEBUG, TAG_VCD, "[Server SUCCESS] initialize");
 561
 562         return 0;
 563 }
 564
 565 void vcd_finalize()
 566 {
 567         GList *iter = NULL;
 568         if (0 < g_list_length(g_proc_list)) {
 569                 iter = g_list_first(g_proc_list);
 570                 while (NULL != iter) {
 571                         g_proc_list = g_list_remove_link(g_proc_list, iter);
 572                         iter = g_list_first(g_proc_list);
 573                 }
 574         }
 575
 576         vcd_state_e state = vcd_config_get_service_state();
 577         if (VCD_STATE_READY != state) {
 578                 if (VCD_STATE_RECORDING == state) {
 579                         vcd_recorder_stop();
 580                 }
 581                 vcd_engine_recognize_cancel();
 582         }
 583         if (0 != vcd_recorder_destroy()) {
 584                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to destroy recorder");
 585         } else {
 586                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] destroy recorder");
 587         }
 588
 589         if (0 != vcd_engine_agent_release()) {
 590                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to release engine");
 591         } else {
 592                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] release engine");
 593         }
 594
 595         vcd_config_set_service_state(VCD_STATE_NONE);
 596         vcdc_send_service_state(VCD_STATE_NONE);
 597
 598         SLOG(LOG_DEBUG, TAG_VCD, "[Server] mode finalize");
 599
 600         return;
 601 }
 602
 603 static Eina_Bool __finalize_quit_ecore_loop(void *data)
 604 {
 605         SLOG(LOG_DEBUG, TAG_VCD, "[Server] quit ecore main loop");
 606         ecore_main_loop_quit();
 607         return EINA_FALSE;
 608 }
 609
 610 static void __read_proc()
 611 {
 612         DIR *dp = NULL;
 613         struct dirent entry;
 614         struct dirent *dirp = NULL;
 615         int ret = -1;
 616         int tmp;
 617
 618         GList *iter = NULL;
 619         if (0 < g_list_length(g_proc_list)) {
 620                 iter = g_list_first(g_proc_list);
 621                 while (NULL != iter) {
 622                         g_proc_list = g_list_remove_link(g_proc_list, iter);
 623                         iter = g_list_first(g_proc_list);
 624                 }
 625         }
 626
 627         dp = opendir("/proc");
 628         if (NULL == dp) {
 629                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to open proc");
 630         } else {
 631                 do {
 632                         ret = readdir_r(dp, &entry, &dirp);
 633                         if (0 != ret) {
 634                                 SLOG(LOG_ERROR, TAG_VCD, "[ERROR] Fail to readdir");
 635                                 break;
 636                         }
 637
 638                         if (NULL != dirp) {
 639                                 tmp = atoi(dirp->d_name);
 640                                 if (0 >= tmp)   continue;
 641                                 g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
 642                         }
 643                 } while (NULL != dirp);
 644                 closedir(dp);
 645         }
 646         return;
 647 }
 648
 649 static void __vcd_cleanup_client(vcd_client_type_e type)
 650 {
 651         int* client_list = NULL;
 652         int client_count = 0;
 653         int i = 0;
 654         int j = 0;
 655         bool exist = false;
 656         int mgr_pid = -1;
 657         int ret = -1;
 658
 659         if (VCD_CLIENT_TYPE_NORMAL == type) {
 660                 ret = vcd_client_get_list(&client_list, &client_count);
 661         } else if (VCD_CLIENT_TYPE_WIDGET == type) {
 662                 ret = vcd_client_widget_get_list(&client_list, &client_count);
 663         } else if (VCD_CLIENT_TYPE_MANAGER == type) {
 664                 mgr_pid = vcd_client_manager_get_pid();
 665                 client_list = &mgr_pid;
 666                 client_count = 1;
 667         }
 668
 669         if (0 == ret || mgr_pid > 0) {
 670                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up %s client ", type ? (type == 1) ? "Widget" : "Manager" : "Normal");
 671                 if (NULL != client_list && client_count > 0) {
 672                         for (i = 0; i < client_count; i++) {
 673                                 exist = false;
 674                                 GList *iter = NULL;
 675                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
 676                                         iter = g_list_nth(g_proc_list, j);
 677                                         if (NULL != iter) {
 678                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
 679                                                         SLOG(LOG_DEBUG, TAG_VCD, "%s pid(%d) is running", type ? (type == 1) ? "Widget" : "Manager" : "Normal", client_list[i]);
 680                                                         exist = true;
 681                                                         break;
 682                                                 }
 683                                         }
 684                                 }
 685
 686                                 if (false == exist) {
 687                                         SLOG(LOG_ERROR, TAG_VCD, "%s pid(%d) should be removed", type ? (type == 1) ? "Widget" : "Manager" : "Normal", client_list[i]);
 688                                         if (VCD_CLIENT_TYPE_NORMAL == type)
 689                                                 vcd_server_finalize(client_list[i]);
 690                                         else if (VCD_CLIENT_TYPE_WIDGET == type)
 691                                                 vcd_server_widget_finalize(client_list[i]);
 692                                         else
 693                                                 vcd_server_mgr_finalize(mgr_pid);
 694                                 }
 695                         }
 696                 }
 697                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
 698                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
 699         }
 700         if (NULL != client_list && -1 == mgr_pid) {
 701                 free(client_list);
 702                 client_list = NULL;
 703         }
 704         return;
 705 }
 706
 707 Eina_Bool vcd_cleanup_client_all(void *data)
 708 {
 709         __read_proc();
 710
 711         __vcd_cleanup_client(VCD_CLIENT_TYPE_NORMAL);
 712         __vcd_cleanup_client(VCD_CLIENT_TYPE_WIDGET);
 713         __vcd_cleanup_client(VCD_CLIENT_TYPE_MANAGER);
 714
 715 #if 0
 716         if (0 == vcd_client_get_list(&client_list, &client_count)) {
 717                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up client ");
 718                 if (NULL != client_list && client_count > 0) {
 719                         for (i = 0; i < client_count; i++) {
 720                                 exist = false;
 721                                 GList *iter = NULL;
 722                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
 723                                         iter = g_list_nth(g_proc_list, j);
 724                                         if (NULL != iter) {
 725                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
 726                                                         SLOG(LOG_DEBUG, TAG_VCD, "pid(%d) is running", client_list[i]);
 727                                                         exist = true;
 728                                                         break;
 729                                                 }
 730                                         }
 731                                 }
 732
 733                                 if (false == exist) {
 734                                         SLOG(LOG_ERROR, TAG_VCD, "pid(%d) should be removed", client_list[i]);
 735                                         vcd_server_finalize(client_list[i]);
 736                                 }
 737 #if 0
 738                                 result = vcdc_send_hello(client_list[i], VCD_CLIENT_TYPE_NORMAL);
 739
 740                                 if (0 == result) {
 741                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] pid(%d) should be removed.", client_list[i]);
 742                                         vcd_server_finalize(client_list[i]);
 743                                 } else if (-1 == result) {
 744                                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Hello result has error");
 745                                 }
 746 #endif
 747                         }
 748                 }
 749                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
 750                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
 751         }
 752         if (NULL != client_list) {
 753                 free(client_list);
 754                 client_list = NULL;
 755         }
 756
 757         /* If app is in background state, app cannot response message. */
 758         if (0 == vcd_client_widget_get_list(&client_list, &client_count)) {
 759                 SLOG(LOG_DEBUG, TAG_VCD, "===== Clean up widget");
 760                 if (NULL != client_list && client_count > 0) {
 761                         for (i = 0; i < client_count; i++) {
 762                                 exist = false;
 763                                 GList *iter = NULL;
 764                                 for (j = 0; j < g_list_length(g_proc_list); j++) {
 765                                         iter = g_list_nth(g_proc_list, j);
 766                                         if (NULL != iter) {
 767                                                 if (client_list[i] == GPOINTER_TO_INT(iter->data)) {
 768                                                         SLOG(LOG_DEBUG, TAG_VCD, "widget pid(%d) is running", client_list[i]);
 769                                                         exist = true;
 770                                                         break;
 771                                                 }
 772                                         }
 773                                 }
 774
 775                                 if (false == exist) {
 776                                         SLOG(LOG_ERROR, TAG_VCD, "widget pid(%d) should be removed", client_list[i]);
 777                                         vcd_server_widget_finalize(client_list[i]);
 778                                 }
 779 #if 0
 780                                 result = vcdc_send_hello(client_list[i], VCD_CLIENT_TYPE_WIDGET);
 781
 782                                 if (0 == result) {
 783                                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] widget pid(%d) should be removed.", client_list[i]);
 784                                         vcd_server_widget_finalize(client_list[i]);
 785                                 } else if (-1 == result) {
 786                                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Hello result has error");
 787                                 }
 788 #endif
 789                         }
 790                 }
 791                 SLOG(LOG_DEBUG, TAG_VCD, "=====");
 792                 SLOG(LOG_DEBUG, TAG_VCD, "  ");
 793         }
 794
 795         if (NULL != client_list) {
 796                 free(client_list);
 797                 client_list = NULL;
 798         }
 799
 800         /* manager */
 801         exist = false;
 802         GList *iter = NULL;
 803         int mgr_pid = vcd_client_manager_get_pid();
 804         if (0 < mgr_pid) {
 805                 for (j = 0; j < g_list_length(g_proc_list); j++) {
 806                         iter = g_list_nth(g_proc_list, j);
 807                         if (NULL != iter) {
 808                                 if (mgr_pid == GPOINTER_TO_INT(iter->data)) {
 809                                         SLOG(LOG_DEBUG, TAG_VCD, "manager pid(%d) is running", mgr_pid);
 810                                         exist = true;
 811                                         break;
 812                                 }
 813                         }
 814                 }
 815
 816                 if (false == exist) {
 817                         SLOG(LOG_ERROR, TAG_VCD, "manager pid (%d) should be removed", mgr_pid);
 818                         vcd_server_mgr_finalize(mgr_pid);
 819                 }
 820         }
 821 #endif
 822         return EINA_TRUE;
 823 }
 824
 825 int vcd_server_get_service_state()
 826 {
 827         return vcd_config_get_service_state();
 828 }
 829
 830 int vcd_server_get_foreground()
 831 {
 832         int pid;
 833         vcd_config_get_foreground(&pid);
 834         return pid;
 835 }
 836
 837
 838 /*
 839 * API for manager
 840 */
 841 int vcd_server_mgr_initialize(int pid)
 842 {
 843         if (false == g_is_engine) {
 844                 if (0 != vcd_engine_agent_initialize_current_engine()) {
 845                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
 846                         g_is_engine = false;
 847                         return VCD_ERROR_ENGINE_NOT_FOUND;
 848                 } else {
 849                         g_is_engine = true;
 850                 }
 851         }
 852
 853         /* check if pid is valid */
 854         if (false == vcd_client_manager_is_valid(pid)) {
 855                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The pid(%d) is already exist", pid);
 856                 return VCD_ERROR_INVALID_PARAMETER;
 857         }
 858
 859         /* Add client information to client manager */
 860         if (0 != vcd_client_manager_set(pid)) {
 861                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add manager");
 862                 return VCD_ERROR_OPERATION_FAILED;
 863         }
 864
 865         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Manager initialize : pid(%d)", pid);
 866
 867         return VCD_ERROR_NONE;
 868 }
 869
 870 int vcd_server_mgr_finalize(int pid)
 871 {
 872         /* check if pid is valid */
 873         if (false == vcd_client_manager_is_valid(pid)) {
 874                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 875                 return VCD_ERROR_INVALID_PARAMETER;
 876         }
 877
 878         /* Cancel recognition */
 879         vcd_server_mgr_cancel();
 880
 881         /* Remove manager information */
 882         if (0 != vcd_client_manager_unset()) {
 883                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
 884         }
 885
 886         if (0 == vcd_client_get_ref_count()) {
 887                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Connected client list is empty");
 888                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
 889         }
 890
 891         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Manager Finalize : pid(%d)", pid);
 892
 893         return VCD_ERROR_NONE;
 894 }
 895
 896 int vcd_server_mgr_set_command(int pid)
 897 {
 898         if (0 != vcd_client_manager_set_command(pid)) {
 899                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 900                 return VCD_ERROR_INVALID_PARAMETER;
 901         }
 902         return VCD_ERROR_NONE;
 903 }
 904
 905 int vcd_server_mgr_unset_command(int pid)
 906 {
 907         if (0 != vcd_client_manager_unset_command(pid)) {
 908                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 909                 return VCD_ERROR_INVALID_PARAMETER;
 910         }
 911         return VCD_ERROR_NONE;
 912 }
 913
 914 int vcd_server_mgr_set_demandable_client(int pid)
 915 {
 916         /* check if pid is valid */
 917         if (false == vcd_client_manager_is_valid(pid)) {
 918                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 919                 return VCD_ERROR_INVALID_PARAMETER;
 920         }
 921
 922         GSList* client_list = NULL;
 923         if (0 != vc_info_parser_get_demandable_clients(&client_list)) {
 924                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get demandable client");
 925                 return VCD_ERROR_OPERATION_FAILED;
 926         }
 927
 928         /* Save client list */
 929         if (0 != vcd_client_manager_set_demandable_client(pid, client_list)) {
 930                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set demandable client list");
 931                 return VCD_ERROR_OPERATION_FAILED;
 932         }
 933
 934         return VCD_ERROR_NONE;
 935 }
 936
 937 int vcd_server_mgr_set_audio_type(int pid, const char* audio_type)
 938 {
 939         /* check if pid is valid */
 940         if (false == vcd_client_manager_is_valid(pid)) {
 941                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 942                 return VCD_ERROR_INVALID_PARAMETER;
 943         }
 944
 945         int ret = 0;
 946         vcp_audio_type_e type = VCP_AUDIO_TYPE_PCM_S16_LE;
 947         int rate = 16000;
 948         int channel = 1;
 949
 950         ret = vcd_engine_get_audio_format(audio_type, &type, &rate, &channel);
 951         if (0 != ret) {
 952                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get audio format : %d", ret);
 953                 return VCD_ERROR_OPERATION_FAILED;
 954         }
 955
 956         ret = vcd_recorder_set(audio_type, type, rate, channel);
 957         if (0 != ret) {
 958                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set audio in type : %d", ret);
 959                 return VCD_ERROR_OPERATION_FAILED;
 960         }
 961
 962         return VCD_ERROR_NONE;
 963 }
 964
 965 int vcd_server_mgr_get_audio_type(int pid, char** audio_type)
 966 {
 967         /* check if pid is valid */
 968         if (false == vcd_client_manager_is_valid(pid)) {
 969                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 970                 return VCD_ERROR_INVALID_PARAMETER;
 971         }
 972
 973         int ret = vcd_recorder_get(audio_type);
 974         if (0 != ret) {
 975                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get audio in type : %d", ret);
 976                 return VCD_ERROR_OPERATION_FAILED;
 977         }
 978
 979         return VCD_ERROR_NONE;
 980 }
 981
 982 int vcd_server_mgr_set_client_info(int pid)
 983 {
 984         /* check if pid is valid */
 985         if (false == vcd_client_manager_is_valid(pid)) {
 986                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The manager pid(%d) is NOT valid", pid);
 987                 return VCD_ERROR_INVALID_PARAMETER;
 988         }
 989
 990         int ret = vcd_client_save_client_info();
 991         if (0 != ret) {
 992                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to save client info : %d", ret);
 993                 return VCD_ERROR_OPERATION_FAILED;
 994         }
 995
 996         return VCD_ERROR_NONE;
 997 }
 998
 999 static int __start_internal_recognition()
1000 {
1001         int ret;
1002
1003         /* 2. Get commands */
1004         ret = vcd_client_command_collect_command();
1005         if (0 != ret) {
1006                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to collect command : %d", ret);
1007                 return VCD_ERROR_OPERATION_FAILED;
1008         }
1009
1010         ret = vcd_client_get_length();
1011         if (0 == ret) {
1012                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNIING] No current command : %d", ret);
1013                 return VCD_ERROR_OPERATION_FAILED;
1014         }
1015
1016         /* 3. Set command to engine */
1017         ret = vcd_engine_set_commands();
1018         if (0 != ret) {
1019                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to collect command : %d", ret);
1020                 return VCD_ERROR_OPERATION_FAILED;
1021         }
1022
1023         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Set command");
1024
1025         bool stop_by_silence = true;
1026         if (VCD_RECOGNITION_MODE_MANUAL == vcd_client_get_recognition_mode()) {
1027                 stop_by_silence = false;
1028         }
1029
1030         /* 4. start recognition */
1031         ret = vcd_engine_recognize_start(stop_by_silence);
1032         if (0 != ret) {
1033                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recognition : result(%d)", ret);
1034                 return VCD_ERROR_OPERATION_FAILED;
1035         }
1036
1037         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start engine");
1038
1039         /* 5. recorder start */
1040         ret = vcd_recorder_start();
1041         if (0 != ret) {
1042                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recorder : result(%d)", ret);
1043                 vcd_engine_recognize_cancel();
1044                 return ret;
1045         }
1046
1047         vcd_config_set_service_state(VCD_STATE_RECORDING);
1048         vcdc_send_service_state(VCD_STATE_RECORDING);
1049
1050         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Start recognition(%d)", stop_by_silence);
1051
1052         return 0;
1053 }
1054
1055 static Eina_Bool __vcd_request_show_tooltip(void *data)
1056 {
1057         int pid = vcd_client_widget_get_foreground_pid();
1058         if (-1 != pid) {
1059                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip show and widget command");
1060                 vcdc_send_show_tooltip(pid, (bool)data);
1061         }
1062
1063         return EINA_FALSE;
1064 }
1065
1066 int vcd_server_mgr_start(vcd_recognition_mode_e recognition_mode, bool exclusive_cmd, bool start_by_client)
1067 {
1068         /* 1. check current state */
1069         vcd_state_e state = vcd_config_get_service_state();
1070
1071         if (VCD_STATE_READY != state) {
1072                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not ready");
1073                 return VCD_ERROR_INVALID_STATE;
1074         }
1075
1076         SLOG(LOG_DEBUG, TAG_VCD, "[Server] set recognition mode = %d", recognition_mode);
1077         vcd_client_set_recognition_mode(recognition_mode);
1078
1079         if (false == exclusive_cmd) {
1080                 /* Notify show tooltip */
1081                 int pid = vcd_client_widget_get_foreground_pid();
1082                 if (-1 != pid) {
1083                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip show and widget command");
1084                         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)true);
1085                         return 0;
1086                 }
1087         } else {
1088                 vcd_client_manager_set_exclusive(exclusive_cmd);
1089         }
1090
1091         int fg_pid = -1;
1092         if (true == start_by_client) {
1093                 /* Get foreground pid */
1094                 if (0 != vcd_config_get_foreground(&fg_pid)) {
1095                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to get foreground");
1096                 }
1097
1098                 /* Set client exclusive option */
1099                 if (0 != vcd_client_set_exclusive_command(fg_pid)) {
1100                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set exclusive command");
1101                 }
1102         }
1103
1104         int ret = __start_internal_recognition();
1105         if (0 != ret) {
1106                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recongition : %d", ret);
1107                 return ret;
1108         }
1109
1110         if (true == start_by_client) {
1111                 vcd_client_unset_exclusive_command(fg_pid);
1112         }
1113
1114         return VCD_ERROR_NONE;
1115 }
1116
1117 int vcd_server_mgr_stop()
1118 {
1119         /* 1. Check current state is recording */
1120         if (VCD_STATE_RECORDING != vcd_config_get_service_state()) {
1121                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Current state is not recording");
1122                 return VCD_ERROR_INVALID_STATE;
1123         }
1124
1125         /* 2. Stop recorder */
1126         vcd_recorder_stop();
1127
1128         /* 3. Stop engine recognition */
1129         int ret = vcd_engine_recognize_stop();
1130         if (0 != ret) {
1131                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to stop recognition : %d", ret);
1132         }
1133
1134         /* 4. Set original mode */
1135         vcd_config_set_service_state(VCD_STATE_PROCESSING);
1136         vcdc_send_service_state(VCD_STATE_PROCESSING);
1137
1138         return VCD_ERROR_NONE;
1139 }
1140
1141 int vcd_server_mgr_cancel()
1142 {
1143         /* 1. Check current state */
1144         vcd_state_e state = vcd_config_get_service_state();
1145         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
1146                 SLOG(LOG_WARN, TAG_VCD, "[Server ERROR] Current state is not recording or processing");
1147                 return VCD_ERROR_INVALID_STATE;
1148         }
1149
1150         /* 2. Stop recorder */
1151         vcd_recorder_stop();
1152         /* 3. Cancel engine */
1153         int ret = vcd_engine_recognize_cancel();
1154         if (0 != ret) {
1155                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to cancel : %d", ret);
1156         }
1157
1158         if (false == vcd_client_manager_get_exclusive()) {
1159                 int pid = vcd_client_widget_get_foreground_pid();
1160                 if (-1 != pid) {
1161                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Request tooltip hide");
1162                         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)false);
1163                 }
1164         } else {
1165                 vcd_client_manager_set_exclusive(false);
1166         }
1167
1168         /* 4. Set state */
1169         vcd_config_set_service_state(VCD_STATE_READY);
1170         vcdc_send_service_state(VCD_STATE_READY);
1171
1172         return VCD_ERROR_NONE;
1173 }
1174
1175
1176 int vcd_server_mgr_result_select()
1177 {
1178         __vcd_send_selected_result(NULL);
1179
1180         return VCD_ERROR_NONE;
1181 }
1182
1183 /*
1184 * VC Server Functions for Client
1185 */
1186 int vcd_server_initialize(int pid)
1187 {
1188         if (false == g_is_engine) {
1189                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1190                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1191                         g_is_engine = false;
1192                         return VCD_ERROR_ENGINE_NOT_FOUND;
1193                 } else {
1194                         g_is_engine = true;
1195                 }
1196         }
1197
1198         if (false == vcd_engine_is_available_engine()) {
1199                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1200                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1201                         return VCD_ERROR_ENGINE_NOT_FOUND;
1202                 }
1203         }
1204
1205         /* check if pid is valid */
1206         if (true == vcd_client_is_available(pid)) {
1207                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The pid is already exist");
1208                 return VCD_ERROR_INVALID_PARAMETER;
1209         }
1210
1211         /* Add client information to client manager */
1212         if (0 != vcd_client_add(pid)) {
1213                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add client info");
1214                 return VCD_ERROR_OPERATION_FAILED;
1215         }
1216
1217         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Client Initialize : pid(%d)", pid);
1218
1219         return VCD_ERROR_NONE;
1220 }
1221
1222 int vcd_server_finalize(int pid)
1223 {
1224         /* check if pid is valid */
1225         if (false == vcd_client_is_available(pid)) {
1226                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1227                 return VCD_ERROR_INVALID_PARAMETER;
1228         }
1229
1230         /* Remove client information */
1231         if (0 != vcd_client_delete(pid)) {
1232                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
1233         }
1234
1235         if (0 == vcd_client_get_ref_count()) {
1236                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Connected client list is empty");
1237                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
1238         }
1239
1240         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Client Finalize : pid(%d)", pid);
1241
1242         return VCD_ERROR_NONE;
1243 }
1244
1245 int vcd_server_set_command(int pid, vc_cmd_type_e cmd_type)
1246 {
1247         /* check if pid is valid */
1248         if (false == vcd_client_is_available(pid)) {
1249                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1250                 return VCD_ERROR_INVALID_PARAMETER;
1251         }
1252
1253         if (0 != vcd_client_set_command_type(pid, cmd_type)) {
1254                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set command type : pid(%d), cmd_type(%d)", pid, cmd_type);
1255                 return VCD_ERROR_OPERATION_FAILED;
1256         }
1257
1258         return 0;
1259 }
1260
1261 int vcd_server_unset_command(int pid, vc_cmd_type_e cmd_type)
1262 {
1263         /* check if pid is valid */
1264         if (false == vcd_client_is_available(pid)) {
1265                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1266                 return VCD_ERROR_INVALID_PARAMETER;
1267         }
1268
1269         if (0 != vcd_client_unset_command_type(pid, cmd_type)) {
1270                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to unset command type : pid(%d), cmd_type(%d)", pid, cmd_type);
1271                 return VCD_ERROR_OPERATION_FAILED;
1272         }
1273
1274         return 0;
1275 }
1276
1277 int vcd_server_set_foreground(int pid, bool value)
1278 {
1279         /* check if pid is valid */
1280         if (false == vcd_client_is_available(pid) && false == vcd_client_widget_is_available(pid)) {
1281                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1282                 return VCD_ERROR_INVALID_PARAMETER;
1283         }
1284
1285         if (0 != vcd_config_set_foreground(pid, value)) {
1286                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set foreground : pid(%d), value(%d)", pid, value);
1287                 return VCD_ERROR_OPERATION_FAILED;
1288         }
1289
1290         return 0;
1291 }
1292
1293 #if 0
1294 int vcd_server_set_exclusive_command(int pid, bool value)
1295 {
1296         /* check if pid is valid */
1297         if (false == vcd_client_is_available(pid)) {
1298                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1299                 return VCD_ERROR_INVALID_PARAMETER;
1300         }
1301
1302         if (true == value) {
1303                 if (0 != vcd_client_set_exclusive_command(pid)) {
1304                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to set exclusive command : pid(%d)", pid);
1305                         return VCD_ERROR_OPERATION_FAILED;
1306                 }
1307         } else {
1308                 if (0 != vcd_client_unset_exclusive_command(pid)) {
1309                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to unset exclusive command : pid(%d)", pid);
1310                         return VCD_ERROR_OPERATION_FAILED;
1311                 }
1312         }
1313
1314         return 0;
1315 }
1316
1317 int vcd_server_request_start(int pid, bool stop_by_silence)
1318 {
1319         /* check if pid is valid */
1320         if (false == vcd_client_is_available(pid)) {
1321                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid(%d) is NOT forground client", pid);
1322                 return VCD_ERROR_INVALID_PARAMETER;
1323         }
1324
1325         int ret;
1326         /* Check current state */
1327         vcd_state_e state = vcd_config_get_service_state();
1328
1329         /* Service state should be ready */
1330         if (VCD_STATE_READY != state) {
1331                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Ready : pid(%d)", pid);
1332                 return VCD_ERROR_INVALID_STATE;
1333         }
1334
1335         if (-1 != vcd_client_manager_get_pid()) {
1336                 /* Check current pid is valid */
1337                 if (false == vcd_client_manager_check_demandable_client(pid)) {
1338                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
1339                         return VCD_ERROR_INVALID_PARAMETER;
1340                 }
1341         }
1342
1343         ret = vcd_server_mgr_start(stop_by_silence, false);
1344         if (0 != ret) {
1345                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
1346                 return VCD_ERROR_INVALID_PARAMETER;
1347         }
1348
1349         return 0;
1350 }
1351
1352 int vcd_server_request_stop(int pid)
1353 {
1354         int ret;
1355         /* Check current state */
1356         vcd_state_e state = vcd_config_get_service_state();
1357
1358         /* Service state should be ready */
1359         if (VCD_STATE_RECORDING != state) {
1360                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording : pid(%d)", pid);
1361                 return VCD_ERROR_INVALID_STATE;
1362         }
1363
1364         if (-1 != vcd_client_manager_get_pid()) {
1365                 /* Check current pid is valid */
1366                 if (false == vcd_client_manager_check_demandable_client(pid)) {
1367                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
1368                         return VCD_ERROR_INVALID_PARAMETER;
1369                 }
1370         }
1371
1372         ret = vcd_server_mgr_stop();
1373         if (0 != ret) {
1374                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
1375                 return VCD_ERROR_OPERATION_FAILED;
1376         }
1377
1378         return VCD_ERROR_NONE;
1379 }
1380
1381 int vcd_server_request_cancel(int pid)
1382 {
1383         int ret;
1384         /* Check current state */
1385         vcd_state_e state = vcd_config_get_service_state();
1386
1387         /* Service state should be recording or processing */
1388         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
1389                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording or Processing : pid(%d)", pid);
1390                 return VCD_ERROR_INVALID_STATE;
1391         }
1392
1393         if (-1 != vcd_client_manager_get_pid()) {
1394                 /* Check current pid is valid */
1395                 if (false == vcd_client_manager_check_demandable_client(pid)) {
1396                         SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current client is NOT available : pid(%d)", pid);
1397                         return VCD_ERROR_INVALID_PARAMETER;
1398                 }
1399         }
1400
1401         ret = vcd_server_mgr_cancel();
1402         if (0 != ret) {
1403                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
1404                 return VCD_ERROR_OPERATION_FAILED;
1405         }
1406
1407         return VCD_ERROR_NONE;
1408 }
1409 #endif
1410
1411 /*
1412 * VC Server Functions for Widget lib
1413 */
1414 int vcd_server_widget_initialize(int pid)
1415 {
1416         if (false == g_is_engine) {
1417                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1418                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1419                         g_is_engine = false;
1420                         return VCD_ERROR_ENGINE_NOT_FOUND;
1421                 } else {
1422                         g_is_engine = true;
1423                 }
1424         }
1425
1426         if (false == vcd_engine_is_available_engine()) {
1427                 if (0 != vcd_engine_agent_initialize_current_engine()) {
1428                         SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] No Engine");
1429                         return VCD_ERROR_ENGINE_NOT_FOUND;
1430                 }
1431         }
1432
1433         /* check if pid is valid */
1434         if (true == vcd_client_widget_is_available(pid)) {
1435                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] The pid is already exist");
1436                 return VCD_ERROR_INVALID_PARAMETER;
1437         }
1438
1439         /* Add client information to client manager */
1440         if (0 != vcd_client_widget_add(pid)) {
1441                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to add client info");
1442                 return VCD_ERROR_OPERATION_FAILED;
1443         }
1444
1445         SLOG(LOG_DEBUG, TAG_VCD, "[Server Success] Initialize widget : pid(%d)", pid);
1446
1447         return VCD_ERROR_NONE;
1448 }
1449
1450 int vcd_server_widget_finalize(int pid)
1451 {
1452         /* check if pid is valid */
1453         if (false == vcd_client_widget_is_available(pid)) {
1454                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1455                 return VCD_ERROR_INVALID_PARAMETER;
1456         }
1457
1458         /* Remove client information */
1459         if (0 != vcd_client_widget_delete(pid)) {
1460                 SLOG(LOG_WARN, TAG_VCD, "[Server WARNING] Fail to delete client");
1461         }
1462
1463         if (0 == vcd_client_get_ref_count()) {
1464                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] connected client list is empty");
1465                 ecore_timer_add(0, __finalize_quit_ecore_loop, NULL);
1466         }
1467
1468         return VCD_ERROR_NONE;
1469 }
1470
1471 int vcd_server_widget_start_recording(int pid, bool widget_command)
1472 {
1473         /* check if pid is valid */
1474         if (false == vcd_client_widget_is_available(pid)) {
1475                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] pid is NOT valid ");
1476                 return VCD_ERROR_INVALID_PARAMETER;
1477         }
1478
1479         if (true == widget_command) {
1480                 vcd_client_widget_set_command(pid);
1481                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] widget command is available");
1482         } else {
1483                 vcd_client_widget_unset_command(pid);
1484                 SLOG(LOG_WARN, TAG_VCD, "[Server] widget command is NOT available");
1485         }
1486
1487         int ret = __start_internal_recognition();
1488         if (0 != ret) {
1489                 SLOG(LOG_ERROR, TAG_VCD, "[Server ERROR] Fail to start recongition : %d", ret);
1490                 ecore_timer_add(0, __vcd_request_show_tooltip, (void*)false);
1491         }
1492
1493         return 0;
1494 }
1495
1496 int vcd_server_widget_start(int pid, bool stop_by_silence)
1497 {
1498         /* check if pid is valid */
1499         int fore_pid = vcd_client_widget_get_foreground_pid();
1500         if (pid != fore_pid) {
1501                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
1502                 return VCD_ERROR_INVALID_PARAMETER;
1503         }
1504
1505         /* Check current state */
1506         vcd_state_e state = vcd_config_get_service_state();
1507
1508         /* Service state should be ready */
1509         if (VCD_STATE_READY != state) {
1510                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Ready : pid(%d)", pid);
1511                 return VCD_ERROR_INVALID_STATE;
1512         }
1513
1514         vcd_client_set_slience_detection(stop_by_silence);
1515
1516         /* Notify show tooltip */
1517         ecore_timer_add(0, __vcd_request_show_tooltip, (void*)true);
1518
1519         return 0;
1520 }
1521
1522 int vcd_server_widget_stop(int pid)
1523 {
1524         /* check if pid is valid */
1525         int fore_pid = vcd_client_widget_get_foreground_pid();
1526         if (pid != fore_pid) {
1527                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
1528                 return VCD_ERROR_INVALID_PARAMETER;
1529         }
1530
1531         int ret;
1532         /* Check current state */
1533         vcd_state_e state = vcd_config_get_service_state();
1534
1535         /* Service state should be recording */
1536         if (VCD_STATE_RECORDING != state) {
1537                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current service state is not Recording : pid(%d)", pid);
1538                 return VCD_ERROR_INVALID_STATE;
1539         }
1540
1541         ret = vcd_server_mgr_stop();
1542         if (0 != ret) {
1543                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to start recognition");
1544                 return VCD_ERROR_OPERATION_FAILED;
1545         }
1546
1547         return VCD_ERROR_NONE;
1548 }
1549
1550 int vcd_server_widget_cancel(int pid)
1551 {
1552         /* check if pid is valid */
1553         int fore_pid = vcd_client_widget_get_foreground_pid();
1554         if (pid != fore_pid) {
1555                 SLOG(LOG_ERROR, TAG_VCD, "[Server] pid is NOT foreground");
1556                 return VCD_ERROR_INVALID_PARAMETER;
1557         }
1558
1559         int ret;
1560         /* Check current state */
1561         vcd_state_e state = vcd_config_get_service_state();
1562
1563         /* Service state should be recording or processing */
1564         if (VCD_STATE_RECORDING != state && VCD_STATE_PROCESSING != state) {
1565                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Current state is not Recording or Processing : pid(%d)", pid);
1566                 return VCD_ERROR_INVALID_STATE;
1567         }
1568
1569         ret = vcd_server_mgr_cancel();
1570         if (0 != ret) {
1571                 SLOG(LOG_DEBUG, TAG_VCD, "[Server] Fail to cancel recognition : %d", ret);
1572                 return ret;
1573         }
1574
1575         return VCD_ERROR_NONE;
1576 }
1577