client/tts_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
  15 #include "tts_client.h"
  16
  17 /* Max number of handle */
  18 static const int g_max_handle = 999;
  19 /* allocated handle */
  20 static int g_allocated_handle = 0;
  21 /* client list */
  22 static GList *g_client_list = NULL;
  23
  24 /* private functions */
  25 static int __client_generate_uid(int pid)
  26 {
  27         g_allocated_handle++;
  28
  29         if (g_allocated_handle > g_max_handle) {
  30                 g_allocated_handle = 1;
  31         }
  32
  33         /* generate uid, handle number should be smaller than 1000 */
  34         return pid * 1000 + g_allocated_handle;
  35 }
  36
  37 int tts_client_new(tts_h* tts)
  38 {
  39         tts_client_s* client = NULL;
  40         client = (tts_client_s*)calloc(1, sizeof(tts_client_s));
  41         if (NULL == client) {
  42                 SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to allocate memory");
  43                 return TTS_ERROR_OUT_OF_MEMORY;
  44         }
  45         tts_h temp = (tts_h)calloc(1, sizeof(struct tts_s));
  46         if (NULL == temp) {
  47                 SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to allocate memory");
  48                 free(client);
  49                 return TTS_ERROR_OUT_OF_MEMORY;
  50         }
  51         temp->handle = __client_generate_uid(getpid());
  52
  53         /* initialize client data */
  54         client->tts = temp;
  55         client->pid = getpid();
  56         client->uid = temp->handle;
  57         client->current_utt_id = 0;
  58
  59         client->state_changed_cb = NULL;
  60         client->state_changed_user_data = NULL;
  61
  62         client->utt_started_cb = NULL;
  63         client->utt_started_user_data = NULL;
  64         client->utt_completeted_cb = NULL;
  65         client->utt_completed_user_data = NULL;
  66
  67         client->error_cb = NULL;
  68         client->error_user_data = NULL;
  69         client->default_voice_changed_cb = NULL;
  70         client->default_voice_changed_user_data = NULL;
  71         client->supported_voice_cb = NULL;
  72         client->supported_voice_user_data = NULL;
  73
  74         client->mode = TTS_MODE_DEFAULT;
  75         client->before_state = TTS_STATE_CREATED;
  76         client->current_state = TTS_STATE_CREATED;
  77
  78         client->cb_ref_count = 0;
  79
  80         client->utt_id = 0;
  81         client->reason = 0;
  82         client->err_msg = NULL;
  83
  84         client->conn_timer = NULL;
  85
  86         client->credential = NULL;
  87         client->credential_needed = false;
  88         client->internal = false;
  89
  90         client->text_repeat = NULL;
  91
  92         g_client_list = g_list_append(g_client_list, client);
  93
  94         *tts = temp;
  95
  96         SLOG(LOG_DEBUG, TAG_TTSC, "[Success] Create client object : uid(%d)", client->uid);
  97
  98         return TTS_ERROR_NONE;
  99 }
 100
 101 int tts_client_destroy(tts_h tts)
 102 {
 103         if (tts == NULL) {
 104                 SLOG(LOG_ERROR, TAG_TTSC, "Input parameter is NULL");
 105                 return TTS_ERROR_INVALID_PARAMETER;
 106         }
 107
 108         GList *iter = NULL;
 109         tts_client_s *data = NULL;
 110
 111         /* if list have item */
 112         if (g_list_length(g_client_list) > 0) {
 113                 /* Get a first item */
 114                 iter = g_list_first(g_client_list);
 115
 116                 while (NULL != iter) {
 117                         data = iter->data;
 118                         if (tts->handle == data->tts->handle) {
 119                                 g_client_list = g_list_remove_link(g_client_list, iter);
 120
 121                                 while (0 != data->cb_ref_count) {
 122                                         /* wait for release callback function */
 123                                 }
 124
 125                                 if (NULL != data->err_msg) {
 126                                         free(data->err_msg);
 127                                         data->err_msg = NULL;
 128                                 }
 129
 130                                 if (NULL != data->credential) {
 131                                         free(data->credential);
 132                                         data->credential = NULL;
 133                                 }
 134
 135                                 if (NULL != data->text_repeat) {
 136                                         free(data->text_repeat);
 137                                         data->text_repeat = NULL;
 138                                 }
 139
 140                                 free(data);
 141                                 free(tts);
 142
 143                                 data = NULL;
 144                                 tts = NULL;
 145
 146                                 SLOG(LOG_DEBUG, TAG_TTSC, "Client destroy");
 147                                 g_list_free(iter);
 148
 149                                 return TTS_ERROR_NONE;
 150                         }
 151
 152                         /* Next item */
 153                         iter = g_list_next(iter);
 154                 }
 155         }
 156         SLOG(LOG_ERROR, TAG_TTSC, "Fail to destroy client : handle is not valid");
 157
 158         return TTS_ERROR_INVALID_PARAMETER;
 159 }
 160
 161 tts_client_s* tts_client_get(tts_h tts)
 162 {
 163         if (tts == NULL) {
 164                 SLOG(LOG_ERROR, TAG_TTSC, "Input parameter is NULL");
 165                 return NULL;
 166         }
 167
 168         GList *iter = NULL;
 169         tts_client_s *data = NULL;
 170
 171         if (g_list_length(g_client_list) > 0) {
 172                 /* Get a first item */
 173                 iter = g_list_first(g_client_list);
 174
 175                 while (NULL != iter) {
 176                         data = iter->data;
 177
 178                         if (tts->handle == data->tts->handle)
 179                                 return data;
 180
 181                         /* Next item */
 182                         iter = g_list_next(iter);
 183                 }
 184         }
 185
 186         SLOG(LOG_ERROR, TAG_TTSC, "handle is not valid");
 187
 188         return NULL;
 189 }
 190
 191 tts_client_s* tts_client_get_by_uid(const int uid)
 192 {
 193         if (uid < 0) {
 194                 SLOG(LOG_ERROR, TAG_TTSC, "out of range : handle");
 195                 return NULL;
 196         }
 197
 198         GList *iter = NULL;
 199         tts_client_s *data = NULL;
 200
 201         if (g_list_length(g_client_list) > 0) {
 202                 /* Get a first item */
 203                 iter = g_list_first(g_client_list);
 204
 205                 while (NULL != iter) {
 206                         data = iter->data;
 207                         if (uid == data->uid) {
 208                                 return data;
 209                         }
 210
 211                         /* Next item */
 212                         iter = g_list_next(iter);
 213                 }
 214         }
 215
 216         SLOG(LOG_WARN, TAG_TTSC, "uid is not valid");
 217
 218         return NULL;
 219 }
 220
 221 int tts_client_get_size()
 222 {
 223         return g_list_length(g_client_list);
 224 }
 225
 226 int tts_client_use_callback(tts_client_s* client)
 227 {
 228         client->cb_ref_count++;
 229         return 0;
 230 }
 231
 232 int tts_client_not_use_callback(tts_client_s* client)
 233 {
 234         client->cb_ref_count--;
 235         return 0;
 236 }
 237
 238 int tts_client_get_use_callback(tts_client_s* client)
 239 {
 240         return client->cb_ref_count;
 241 }
 242
 243 int tts_client_get_connected_client_count()
 244 {
 245         GList *iter = NULL;
 246         tts_client_s *data = NULL;
 247         int number = 0;
 248
 249         if (g_list_length(g_client_list) > 0) {
 250                 /* Get a first item */
 251                 iter = g_list_first(g_client_list);
 252
 253                 while (NULL != iter) {
 254                         data = iter->data;
 255                         if (0 < data->current_state) {
 256                                 number++;
 257                         }
 258
 259                         /* Next item */
 260                         iter = g_list_next(iter);
 261                 }
 262         }
 263         return number;
 264 }
 265
 266 int tts_client_get_mode_client_count(tts_mode_e mode)
 267 {
 268         GList *iter = NULL;
 269         tts_client_s *data = NULL;
 270         int number = 0;
 271
 272         if (g_list_length(g_client_list) > 0) {
 273                 /* Get a first item */
 274                 iter = g_list_first(g_client_list);
 275
 276                 while (NULL != iter) {
 277                         data = iter->data;
 278                         if (0 < data->current_state && data->mode == mode) {
 279                                 number++;
 280                         }
 281
 282                         /* Next item */
 283                         iter = g_list_next(iter);
 284                 }
 285         }
 286         return number;
 287 }
 288
 289 GList* tts_client_get_client_list()
 290 {
 291         return g_client_list;
 292 }