2 * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd All Rights Reserved
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 * http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
15 #include "stt_client.h"
19 /* Max number of handle */
20 static const int g_max_handle = 999;
21 /* allocated handle */
22 static int g_allocated_handle = 0;
24 static GList *g_client_list = NULL;
27 /* private functions */
28 static int __client_generate_uid(int pid)
32 if (g_allocated_handle > g_max_handle) {
33 g_allocated_handle = 1;
36 /* generate uid, handle number should be smaller than 1000 */
37 return pid * 1000 + g_allocated_handle;
40 int stt_client_new(stt_h* stt)
42 stt_client_s *client = NULL;
44 client = (stt_client_s*)g_malloc0 (sizeof(stt_client_s));
46 stt_h temp = (stt_h)g_malloc0(sizeof(struct stt_s));
47 temp->handle = __client_generate_uid(getpid());
49 /* initialize client data */
51 client->pid = getpid();
52 client->uid = temp->handle;
54 client->recognition_result_cb = NULL;
55 client->recognition_result_user_data = NULL;
56 client->state_changed_cb = NULL;
57 client->state_changed_user_data = NULL;
58 client->error_cb = NULL;
59 client->error_user_data = NULL;
60 client->default_lang_changed_cb = NULL;
61 client->default_lang_changed_user_data = NULL;
63 client->current_engine_id = NULL;
65 client->silence_supported = false;
66 client->silence = STT_OPTION_SILENCE_DETECTION_AUTO;
69 client->data_list = NULL;
70 client->data_count = 0;
73 client->before_state = STT_STATE_CREATED;
74 client->current_state = STT_STATE_CREATED;
76 client->internal_state = STT_INTERNAL_STATE_NONE;
78 client->cb_ref_count = 0;
80 g_client_list = g_list_append(g_client_list, client);
87 int stt_client_destroy(stt_h stt)
90 SLOG(LOG_ERROR, TAG_STTC, "Input parameter is NULL");
95 stt_client_s *data = NULL;
97 /* if list have item */
98 if (g_list_length(g_client_list) > 0) {
99 /* Get a first item */
100 iter = g_list_first(g_client_list);
102 while (NULL != iter) {
104 if (stt->handle == data->stt->handle) {
105 g_client_list = g_list_remove_link(g_client_list, iter);
107 while (0 != data->cb_ref_count)
109 /* wait for release callback function */
112 if (NULL != data->current_engine_id) {
113 free(data->current_engine_id);
123 iter = g_list_next(iter);
127 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] client Not founded");
133 stt_client_s* stt_client_get(stt_h stt)
136 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Input parameter is NULL");
141 stt_client_s *data = NULL;
143 if (g_list_length(g_client_list) > 0) {
144 /* Get a first item */
145 iter = g_list_first(g_client_list);
147 while (NULL != iter) {
150 if (stt->handle == data->stt->handle)
154 iter = g_list_next(iter);
158 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to get client by stt");
163 stt_client_s* stt_client_get_by_uid(const int uid)
166 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] out of range : handle");
171 stt_client_s *data = NULL;
173 if (g_list_length(g_client_list) > 0) {
174 /* Get a first item */
175 iter = g_list_first(g_client_list);
177 while (NULL != iter) {
179 if (uid == data->uid) {
184 iter = g_list_next(iter);
188 SLOG(LOG_ERROR, TAG_STTC, "[ERROR] Fail to get client by uid");
193 int stt_client_get_size()
195 return g_list_length(g_client_list);
198 int stt_client_use_callback(stt_client_s* client)
200 client->cb_ref_count++;
204 int stt_client_not_use_callback(stt_client_s* client)
206 client->cb_ref_count--;
210 int stt_client_get_use_callback(stt_client_s* client)
212 return client->cb_ref_count;
215 GList* stt_client_get_client_list()
217 return g_client_list;