client/stt_file_client.c

   1 /*
   2 *  Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
   3 *  Licensed under the Apache License, Version 2.0 (the "License");
   4 *  you may not use this file except in compliance with the License.
   5 *  You may obtain a copy of the License at
   6 *  http://www.apache.org/licenses/LICENSE-2.0
   7 *  Unless required by applicable law or agreed to in writing, software
   8 *  distributed under the License is distributed on an "AS IS" BASIS,
   9 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10 *  See the License for the specific language governing permissions and
  11 *  limitations under the License.
  12 */
  13
  14 #include <dlog.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18
  19 #include "stt_file_client.h"
  20
  21 static stt_file_client_s* g_client_info = NULL;
  22
  23 int stt_file_client_new()
  24 {
  25         if (NULL != g_client_info) {
  26                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Already allocated client info");
  27                 return STT_FILE_ERROR_INVALID_STATE;
  28         }
  29
  30         g_client_info = (stt_file_client_s*)calloc(1, sizeof(stt_file_client_s));
  31
  32         /* initialize client data */
  33         g_client_info->recognition_result_cb = NULL;
  34         g_client_info->recognition_result_user_data = NULL;
  35
  36         g_client_info->result_time_cb = NULL;
  37         g_client_info->result_time_user_data = NULL;
  38
  39         g_client_info->state_changed_cb = NULL;
  40         g_client_info->state_changed_user_data = NULL;
  41
  42         g_client_info->supported_lang_cb = NULL;
  43         g_client_info->supported_lang_user_data = NULL;
  44
  45         g_client_info->current_engine_id = -1;
  46
  47         g_client_info->time_info = NULL;
  48
  49         g_client_info->before_state = STT_FILE_STATE_READY;
  50         g_client_info->current_state = STT_FILE_STATE_READY;
  51
  52         g_client_info->cb_ref_count = 0;
  53
  54         return 0;
  55 }
  56
  57 int stt_file_client_destroy()
  58 {
  59         if (NULL == g_client_info) {
  60                 SLOG(LOG_ERROR, TAG_STTFC, "[ERROR] Client info is NULL");
  61                 return STT_FILE_ERROR_INVALID_STATE;
  62         } else {
  63                 while (0 != g_client_info->cb_ref_count) {
  64                         /* wait for release callback function */
  65                 }
  66
  67                 free(g_client_info);
  68
  69                 g_client_info = NULL;
  70         }
  71
  72         return 0;
  73 }
  74
  75 stt_file_client_s* stt_file_client_get()
  76 {
  77         return g_client_info;
  78 }
  79
  80 int stt_file_client_use_callback(stt_file_client_s* client)
  81 {
  82         client->cb_ref_count++;
  83         return 0;
  84 }
  85
  86 int stt_file_client_not_use_callback(stt_file_client_s* client)
  87 {
  88         client->cb_ref_count--;
  89         return 0;
  90 }
  91
  92 int stt_file_client_get_use_callback(stt_file_client_s* client)
  93 {
  94         return client->cb_ref_count;
  95 }