Fix to get the maximum text size from the engine meta data
[platform/core/uifw/tts.git] / client / tts.c
index 6c31811..911d044 100644 (file)
@@ -11,6 +11,7 @@
 *  limitations under the License.
 */
 
+#include <app_manager.h>
 #include <dirent.h>
 #include <Ecore.h>
 #include <iconv.h>
@@ -33,6 +34,8 @@ static int g_feature_enabled = -1;
 
 static bool g_err_callback_status = false;
 
+static int g_max_text_size = -1;
+
 /* Function definition */
 static Eina_Bool __tts_notify_state_changed(void *data);
 static Eina_Bool __tts_notify_error(void *data);
@@ -136,6 +139,33 @@ void __tts_config_voice_changed_cb(const char* before_lang, int before_voice_typ
        return;
 }
 
+static Eina_Bool __reconnect_by_engine_changed(void* data)
+{
+       tts_h tts = (tts_h)data;
+
+       tts_client_s* client = tts_client_get(tts);
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[WARNING] A handle is not valid");
+               return EINA_FALSE;
+       }
+
+       if (TTS_STATE_READY != client->current_state) {
+               usleep(10000);
+               return EINA_TRUE;
+       }
+
+       int ret = tts_unprepare(tts);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
+       }
+       ret = tts_prepare(tts);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
+       }
+
+       return EINA_FALSE;
+}
+
 void _tts_config_engine_changed_cb(const char* engine_id, const char* setting, const char* language, int voice_type, bool auto_voice, bool need_credential, void* user_data)
 {
        tts_h tts = (tts_h)user_data;
@@ -151,6 +181,27 @@ void _tts_config_engine_changed_cb(const char* engine_id, const char* setting, c
        if (NULL != language)   SLOG(LOG_DEBUG, TAG_TTSC, "Language(%s)", language);
        SLOG(LOG_DEBUG, TAG_TTSC, "Voice type(%d), Auto voice(%s), Credential(%s)", voice_type, auto_voice ? "on" : "off", need_credential ? "need" : "no need");
 
+       /* When the default engine is changed, please unload the old engine and load the new one. */
+       int ret = -1;
+
+       if (TTS_STATE_PLAYING == client->current_state || TTS_STATE_PAUSED == client->current_state) {
+               ret = tts_stop(tts);
+               if (0 != ret) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] TTS client stopping...");
+               }
+
+               ecore_idler_add(__reconnect_by_engine_changed, (void*)tts);
+       } else if (TTS_STATE_READY == client->current_state) {
+               ret = tts_unprepare(tts);
+               if (0 != ret) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to unprepare for setting a new engine... (%d)", ret);
+               }
+               ret = tts_prepare(tts);
+               if (0 != ret) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare for setting a new engine... (%d)", ret);
+               }
+       }
+
        /* call callback function */
        if (NULL != client->engine_changed_cb) {
                client->engine_changed_cb(tts, engine_id, language, voice_type, need_credential, client->engine_changed_user_data);
@@ -166,7 +217,7 @@ int tts_create(tts_h* tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Create TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Create TTS");
 
        /* check param */
        if (NULL == tts) {
@@ -201,7 +252,7 @@ int tts_create(tts_h* tts)
                return __tts_convert_config_error_code(ret);
        }
 
-       ret = tts_config_mgr_set_callback(client->uid, _tts_config_engine_changed_cb, __tts_config_voice_changed_cb, NULL, NULL, NULL);
+       ret = tts_config_mgr_set_callback(client->uid, _tts_config_engine_changed_cb, __tts_config_voice_changed_cb, NULL, NULL, client->tts);
        if (0 != ret) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to set config changed : %d", ret);
                tts_client_destroy(*tts);
@@ -220,7 +271,7 @@ int tts_destroy(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Destroy TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Destroy TTS");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -245,14 +296,22 @@ int tts_destroy(tts_h tts)
 
        int ret = -1;
        int count = 0;
+       int screen_reader = -1;
 
        /* check state */
        switch (client->current_state) {
        case TTS_STATE_PAUSED:
        case TTS_STATE_PLAYING:
        case TTS_STATE_READY:
+               ret = vconf_get_bool(TTS_ACCESSIBILITY_KEY, &screen_reader);
+               if (0 != ret) {
+                       SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get screen reader");
+               } else {
+                       SLOG(LOG_INFO, tts_tag(), "[INFO] Success to get screen reader(%d), g_screen_reader(%s), client->mode(%d)", screen_reader, (true == g_screen_reader) ? "True" : "False", client->mode);
+                       g_screen_reader = (bool)screen_reader;
+               }
                if (!(false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode)) {
-                       while (0 != ret) {
+                       do {
                                ret = tts_dbus_request_finalize(client->uid);
                                if (0 != ret) {
                                        if (TTS_ERROR_TIMED_OUT != ret) {
@@ -268,7 +327,7 @@ int tts_destroy(tts_h tts)
                                                }
                                        }
                                }
-                       }
+                       } while (0 != ret);
                } else {
                        SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Do not request finalize : g_sr(%d) mode(%d)", g_screen_reader, client->mode);
                }
@@ -315,7 +374,7 @@ int tts_set_mode(tts_h tts, tts_mode_e mode)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Set TTS mode");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Set TTS mode(%d)", mode);
 
        tts_client_s* client = tts_client_get(tts);
 
@@ -438,6 +497,82 @@ int tts_set_credential(tts_h tts, const char* credential)
        return TTS_ERROR_NONE;
 }
 
+int tts_set_server_tts(tts_h tts, const char* credential)
+{
+       if (0 != __tts_get_feature_enabled()) {
+               return TTS_ERROR_NOT_SUPPORTED;
+       }
+
+       if (NULL == tts) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input parameter is null");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       tts_client_s* client = tts_client_get(tts);
+
+       if (NULL == client) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Get state : A handle is not valid");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       if (TTS_STATE_CREATED != client->current_state && TTS_STATE_READY != client->current_state) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] The current state is invalid (%d).", client->current_state);
+               return TTS_ERROR_INVALID_STATE;
+       }
+
+       if (NULL != client->credential) {
+               free(client->credential);
+               client->credential = NULL;
+       }
+
+       client->internal = true;
+
+       char* key = NULL;
+       if (NULL != credential) {
+               key = strdup("EnableServerTTS");
+               client->credential = strdup(credential);
+               if (NULL == client->credential) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to allocate memory");
+                       return TTS_ERROR_OUT_OF_MEMORY;
+               }
+       } else {
+               key = strdup("DisableServerTTS");
+       }
+
+       if (NULL == key) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to allocate memory");
+               return TTS_ERROR_OUT_OF_MEMORY;
+       }
+
+       int pid = getpid();
+       char* appid = NULL;
+       int ret = app_manager_get_app_id(pid, &appid);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get appid, ret(%d), pid(%d), appid(%s)", ret, pid, appid);
+               free(key);
+               key = NULL;
+               return TTS_ERROR_OPERATION_FAILED;
+       }
+
+       ret = tts_set_private_data(tts, key, appid);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to set private data, ret(%d), pid(%d), appid(%s)", ret, pid, appid);
+               free(key);
+               key = NULL;
+               return ret;
+       }
+
+       free(appid);
+       appid = NULL;
+       free(key);
+       key = NULL;
+
+       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+
+       return TTS_ERROR_NONE;
+}
+
 static Eina_Bool __tts_connect_daemon(void *data)
 {
        tts_h tts = (tts_h)data;
@@ -454,7 +589,7 @@ static Eina_Bool __tts_connect_daemon(void *data)
                return EINA_TRUE;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Connect daemon");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Connect daemon");
 
        /* do request initialize */
        int ret = -1;
@@ -514,7 +649,7 @@ int tts_prepare(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Prepare TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Prepare TTS");
 
        tts_client_s* client = tts_client_get(tts);
 
@@ -548,7 +683,7 @@ int tts_unprepare(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Unprepare TTS");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Unprepare TTS");
 
        tts_client_s* client = tts_client_get(tts);
 
@@ -566,8 +701,18 @@ int tts_unprepare(tts_h tts)
 
        int ret = -1;
        int count = 0;
+       int screen_reader = -1;
+
+       ret = vconf_get_bool(TTS_ACCESSIBILITY_KEY, &screen_reader);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get screen reader");
+       } else {
+               SLOG(LOG_INFO, tts_tag(), "[INFO] Success to get screen reader(%d), g_screen_reader(%s), client->mode(%d)", screen_reader, (true == g_screen_reader) ? "True" : "False", client->mode);
+               g_screen_reader = (bool)screen_reader;
+       }
+
        if (!(false == g_screen_reader && TTS_MODE_SCREEN_READER == client->mode)) {
-               while (0 != ret) {
+               do {
                        ret = tts_dbus_request_finalize(client->uid);
                        if (0 != ret) {
                                if (TTS_ERROR_TIMED_OUT != ret) {
@@ -583,7 +728,7 @@ int tts_unprepare(tts_h tts)
                                        }
                                }
                        }
-               }
+               } while (0 != ret);
        } else {
                SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Do not request finalize : g_sr(%d) mode(%d)", g_screen_reader, client->mode);
        }
@@ -662,8 +807,10 @@ int tts_foreach_supported_voices(tts_h tts, tts_supported_voice_cb callback, voi
 
        ret = tts_config_mgr_get_voice_list(current_engine, __tts_supported_voice_cb, client->tts);
 
-       if (NULL != current_engine)
+       if (NULL != current_engine) {
                free(current_engine);
+               current_engine = NULL;
+       }
 
        client->supported_voice_cb = NULL;
        client->supported_voice_user_data = NULL;
@@ -742,7 +889,13 @@ int tts_get_max_text_size(tts_h tts, unsigned int* size)
                return TTS_ERROR_INVALID_STATE;
        }
 
-       *size = TTS_MAX_TEXT_SIZE;
+//     *size = TTS_MAX_TEXT_SIZE;
+       if (0 != tts_config_mgr_get_max_text_size(size)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get max text size");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
+       g_max_text_size = (int)*size;
 
        SLOG(LOG_DEBUG, TAG_TTSC, "Get max text count : %d", *size);
        return TTS_ERROR_NONE;
@@ -826,6 +979,7 @@ int tts_get_error_message(tts_h tts, char** err_msg)
                *err_msg = strdup(client->err_msg);
                SLOG(LOG_DEBUG, TAG_TTSC, "[SUCCESS] Error msg (%s)", *err_msg);
        } else {
+               *err_msg = NULL;
                SLOG(LOG_DEBUG, TAG_TTSC, "[SUCCESS] Error msg (NULL)");
        }
 
@@ -837,7 +991,7 @@ int tts_get_error_message(tts_h tts, char** err_msg)
 
 int tts_add_text(tts_h tts, const char* text, const char* language, int voice_type, int speed, int* utt_id)
 {
-       SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] Add text: text(%s), language(%s), type(%d)", (NULL == text) ? "NULL" : text, (NULL == language) ? "NULL" : language, voice_type);
+       SLOG(LOG_INFO, TAG_TTSC, "[DEBUG] Add text: text(%s), language(%s), type(%d)", (NULL == text) ? "NULL" : text, (NULL == language) ? "NULL" : language, voice_type);
 
        if (0 != __tts_get_feature_enabled()) {
                return TTS_ERROR_NOT_SUPPORTED;
@@ -876,11 +1030,30 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                return TTS_ERROR_INVALID_STATE;
        }
 
-       if (TTS_MAX_TEXT_SIZE < strlen(text) || strlen(text) <= 0) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input text size is invalid.");
-               SLOG(LOG_DEBUG, TAG_TTSC, "=====");
-               SLOG(LOG_DEBUG, TAG_TTSC, " ");
-               return TTS_ERROR_INVALID_PARAMETER;
+       if (-1 == g_max_text_size) {
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] g_max_text_size is %d", g_max_text_size);
+               if (0 != tts_config_mgr_get_max_text_size((unsigned int*)&g_max_text_size)) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to get max text size");
+                       return TTS_ERROR_INVALID_PARAMETER;
+               }
+       }
+
+       if (0 == g_max_text_size) {
+               if (strlen(text) <= 0) {
+                       SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] Max Text Size is %d", g_max_text_size);
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input text size is invalid. (max text size is unlimited.)");
+                       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+                       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+                       return TTS_ERROR_INVALID_PARAMETER;
+               }
+       } else {
+               SLOG(LOG_DEBUG, TAG_TTSC, "[DEBUG] g_max_text_size is %d", g_max_text_size);
+               if (g_max_text_size < strlen(text) || strlen(text) <= 0) {
+                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input text size is invalid.");
+                       SLOG(LOG_DEBUG, TAG_TTSC, "=====");
+                       SLOG(LOG_DEBUG, TAG_TTSC, " ");
+                       return TTS_ERROR_INVALID_PARAMETER;
+               }
        }
 
        if (TTS_SPEED_AUTO > speed || TTS_SPEED_MAX < speed) {
@@ -901,36 +1074,23 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        }
 
        /* check valid utf8 */
-       iconv_t *ict;
-       ict = iconv_open("utf-8", "");
-       if ((iconv_t)-1 == ict) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to init for text check");
-               return TTS_ERROR_OPERATION_FAILED;
-       }
-
-       size_t len = strlen(text);
-       char *in_tmp = NULL;
-       char in_buf[TTS_MAX_TEXT_SIZE];
-       char *out_tmp = NULL;
-       char out_buf[TTS_MAX_TEXT_SIZE];
-       size_t len_tmp = sizeof(out_buf);
+       bool valid = false;
 
-       memset(in_buf, 0, TTS_MAX_TEXT_SIZE);
-       snprintf(in_buf, TTS_MAX_TEXT_SIZE, "%s", text);
-       in_tmp = in_buf;
+       DBusError err;
+       dbus_error_init(&err);
 
-       memset(out_buf, 0, TTS_MAX_TEXT_SIZE);
-       out_tmp = out_buf;
+       valid = dbus_validate_utf8(text, &err);
+       if (dbus_error_is_set(&err)) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Dbus Error(%s), text(%s)", err.message, text);
+               dbus_error_free(&err);
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
 
-       size_t st;
-       st = iconv(ict, &in_tmp, &len, &out_tmp, &len_tmp);
-       if ((size_t)-1 == st) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Text is invalid - '%s'", in_buf);
-               iconv_close(ict);
+       if (valid != true) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Text is invalid - '%s'", text);
                return TTS_ERROR_INVALID_PARAMETER;
        }
-       iconv_close(ict);
-       SLOG(LOG_DEBUG, TAG_TTSC, "Text is valid - Converted text is '%s'", out_buf);
+       SLOG(LOG_DEBUG, TAG_TTSC, "Text is valid - text is '%s'", text);
 
        /* change default language value */
        char* temp = NULL;
@@ -949,7 +1109,7 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
        int ret = -1;
        int count = 0;
        while (0 != ret) {
-               ret = tts_dbus_request_add_text(client->uid, out_buf, temp, voice_type, speed, client->current_utt_id, client->credential);
+               ret = tts_dbus_request_add_text(client->uid, text, temp, voice_type, speed, client->current_utt_id, client->credential);
                if (0 != ret) {
                        if (TTS_ERROR_TIMED_OUT != ret) {
                                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] result : %s", __tts_get_error_code(ret));
@@ -968,7 +1128,10 @@ int tts_add_text(tts_h tts, const char* text, const char* language, int voice_ty
                }
        }
 
-       if (NULL != temp)       free(temp);
+       if (NULL != temp) {
+               free(temp);
+               temp = NULL;
+       }
 
        SLOG(LOG_DEBUG, TAG_TTSC, "=====");
        SLOG(LOG_DEBUG, TAG_TTSC, " ");
@@ -1086,7 +1249,7 @@ int tts_play(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Play tts");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Play tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null.");
@@ -1260,7 +1423,7 @@ int tts_stop(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Stop tts");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Stop tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -1431,7 +1594,7 @@ int tts_pause(tts_h tts)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Pause tts");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Pause tts");
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -1503,10 +1666,10 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Set private data");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Set private data, key(%s), data(%s)", key, data);
 
        if (NULL == tts) {
-               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle isnull");
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
@@ -1527,6 +1690,11 @@ int tts_set_private_data(tts_h tts, const char* key, const char* data)
                return TTS_ERROR_INVALID_STATE;
        }
 
+       if (true != client->internal && (0 == strcmp(key, "EnableServerTTS") || 0 == strcmp(key, "DisableServerTTS"))) {
+               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] This is not an internal app");
+               return TTS_ERROR_INVALID_PARAMETER;
+       }
+
        int ret = -1;
        int count = 0;
        while (0 != ret) {
@@ -1559,7 +1727,7 @@ int tts_get_private_data(tts_h tts, const char* key, char** data)
                return TTS_ERROR_NOT_SUPPORTED;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "===== Get private data");
+       SLOG(LOG_INFO, TAG_TTSC, "===== Get private data, key(%s)", key);
 
        if (NULL == tts) {
                SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Input handle is null");
@@ -1644,34 +1812,80 @@ static Eina_Bool __tts_notify_error(void *data)
 
 int __tts_cb_error(int uid, tts_error_e reason, int utt_id, char* err_msg)
 {
-       tts_client_s* client = tts_client_get_by_uid(uid);
+       if (-1 == uid) {
+               GList* client_list = NULL;
+               client_list = tts_client_get_client_list();
 
-       if (NULL == client) {
-               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] A handle is not valid");
-               return TTS_ERROR_INVALID_PARAMETER;
-       }
+               GList *iter = NULL;
+               tts_client_s *data = NULL;
 
-       client->utt_id = utt_id;
-       client->reason = reason;
-       if (NULL != client->err_msg) {
-               free(client->err_msg);
-               client->err_msg = NULL;
-       }
-       client->err_msg = strdup(err_msg);
+               if (g_list_length(client_list) > 0) {
+                       /* Get a first item */
+                       iter = g_list_first(client_list);
 
-       /* call callback function */
-       if (NULL != client->error_cb) {
-               ecore_timer_add(0, __tts_notify_error, client->tts);
+                       while (NULL != iter) {
+                               data = iter->data;
+
+                               data->utt_id = utt_id;
+                               data->reason = reason;
+                               if (NULL != data->err_msg) {
+                                       free(data->err_msg);
+                                       data->err_msg = NULL;
+                               }
+                               if (NULL != err_msg)
+                                       data->err_msg = strdup(err_msg);
+
+                               /* call callback function */
+                               if (NULL != data->error_cb) {
+                                       ecore_timer_add(0, __tts_notify_error, data->tts);
+                               } else {
+                                       SLOG(LOG_WARN, TAG_TTSC, "No registered callback function of error ");
+                               }
+
+                               if (TTS_ERROR_SERVICE_RESET == reason) {
+                                       SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Service Reset");
+
+                                       data->current_state = TTS_STATE_CREATED;
+                                       if (0 != tts_prepare(data->tts)) {
+                                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare");
+                                       }
+                               }
+
+                               /* Next item */
+                               iter = g_list_next(iter);
+                       }
+               }
        } else {
-               SLOG(LOG_WARN, TAG_TTSC, "No registered callback function of error ");
-       }
+               tts_client_s* client = tts_client_get_by_uid(uid);
 
-       if (TTS_ERROR_SERVICE_RESET == reason) {
-               SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Service Reset");
+               if (NULL == client) {
+                       SLOG(LOG_WARN, TAG_TTSC, "[WARNING] A handle is not valid");
+                       return TTS_ERROR_INVALID_PARAMETER;
+               }
 
-               client->current_state = TTS_STATE_CREATED;
-               if (0 != tts_prepare(client->tts)) {
-                       SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare");
+               client->utt_id = utt_id;
+               client->reason = reason;
+               if (NULL != client->err_msg) {
+                       free(client->err_msg);
+                       client->err_msg = NULL;
+               }
+               if (NULL != err_msg)
+                       client->err_msg = strdup(err_msg);
+
+               /* call callback function */
+               if (NULL != client->error_cb) {
+                       ecore_timer_add(0, __tts_notify_error, client->tts);
+               } else {
+                       SLOG(LOG_WARN, TAG_TTSC, "No registered callback function of error ");
+               }
+
+               if (TTS_ERROR_SERVICE_RESET == reason) {
+                       SLOG(LOG_WARN, TAG_TTSC, "[WARNING] Service Reset");
+
+                       client->current_state = TTS_STATE_CREATED;
+                       if (0 != tts_prepare(client->tts)) {
+                               SLOG(LOG_ERROR, TAG_TTSC, "[ERROR] Fail to prepare");
+                       }
                }
        }
 
@@ -1738,7 +1952,7 @@ int __tts_cb_utt_started(int uid, int utt_id)
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "utterance started : utt id(%d) ", utt_id);
+       SLOG(LOG_INFO, TAG_TTSC, "utterance started : utt id(%d) ", utt_id);
 
        client->utt_id = utt_id;
 
@@ -1764,7 +1978,7 @@ int __tts_cb_utt_completed(int uid, int utt_id)
                return TTS_ERROR_INVALID_PARAMETER;
        }
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "utterance completed : uttid(%d) ", utt_id);
+       SLOG(LOG_INFO, TAG_TTSC, "utterance completed : uttid(%d) ", utt_id);
 
        client->utt_id = utt_id;
 
@@ -1807,7 +2021,7 @@ int tts_set_state_changed_cb(tts_h tts, tts_state_changed_cb callback, void* use
        client->state_changed_cb = callback;
        client->state_changed_user_data = user_data;
 
-       SLOG(LOG_DEBUG, TAG_TTSC, "[SUCCESS] Set state changed cb");
+       SLOG(LOG_INFO, TAG_TTSC, "[SUCCESS] Set state changed cb");
 
        return 0;
 }