Add a new TTS Interrupt mode
[platform/core/uifw/tts.git] / server / ttsd_server.c
index 10dc01e..24365e5 100644 (file)
@@ -1,5 +1,5 @@
 /*
-*  Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd All Rights Reserved 
+*  Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  limitations under the License.
 */
 
+#include <app_manager.h>
+#include <aul.h>
 #include <Ecore.h>
-#include "ttsd_main.h"
-#include "ttsd_player.h"
+
+#include "ttsd_config.h"
 #include "ttsd_data.h"
-#include "ttsd_engine_agent.h"
-#include "ttsd_server.h"
-#include "ttsd_dbus_server.h"
-#include "ttsp.h"
 #include "ttsd_dbus.h"
-#include "ttsd_config.h"
+#include "ttsd_dbus_server.h"
+#include "ttsd_engine_agent.h"
+#include "ttsd_main.h"
 #include "ttsd_network.h"
+#include "ttsd_player.h"
+#include "ttsd_server.h"
+
+
+#define CLIENT_CLEAN_UP_TIME 500
+
 
 typedef enum {
        TTSD_SYNTHESIS_CONTROL_DOING    = 0,
        TTSD_SYNTHESIS_CONTROL_DONE     = 1,
        TTSD_SYNTHESIS_CONTROL_EXPIRED  = 2
-}ttsd_synthesis_control_e;
+} ttsd_synthesis_control_e;
 
 typedef struct {
        int uid;
        int uttid;
-}utterance_t;
+} utterance_t;
 
 /* If current engine exist */
-static bool    g_is_engine;
+//static bool  g_is_engine;
 
 /* If engine is running */
 static ttsd_synthesis_control_e        g_synth_control;
 
+static Ecore_Timer* g_check_client_timer = NULL;
 static Ecore_Timer* g_wait_timer = NULL;
 
-/* Function definitions */
-int __server_next_synthesis(int uid);
+static utterance_t g_utt;
 
+static GList *g_proc_list = NULL;
+
+/* Function definitions */
+static int __synthesis(int uid, const char* credential);
 
-int __server_set_synth_control(ttsd_synthesis_control_e control)
+static int __server_set_synth_control(ttsd_synthesis_control_e control)
 {
        g_synth_control = control;
        return 0;
 }
 
-ttsd_synthesis_control_e __server_get_synth_control()
+static ttsd_synthesis_control_e __server_get_synth_control()
 {
        return g_synth_control;
 }
 
-int __server_send_error(int uid, int utt_id, int error_code)
-{
-       int pid = ttsd_data_get_pid(uid);
-
-       /* send error */
-       if ( 0 != ttsdc_send_error_message(pid, uid, utt_id, error_code)) {
-               ttsd_data_delete_client(uid);                   
-       } 
-       
-       return 0;
-}
-
-Eina_Bool __wait_synthesis(void *data)
+static Eina_Bool __wait_synthesis(void *data)
 {
        /* get current play */
-       int uid = ttsd_data_is_current_playing();
+       char* credential = (char*)data;
+       int uid = ttsd_data_get_current_playing();
 
        if (uid > 0) {
                if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control()) {
@@ -81,9 +80,9 @@ Eina_Bool __wait_synthesis(void *data)
                        g_wait_timer = NULL;
                        if (TTSD_SYNTHESIS_CONTROL_DONE == __server_get_synth_control()) {
                                /* Start next synthesis */
-                               __server_next_synthesis(uid);
+                               __synthesis(uid, credential);
                        }
-               }       
+               }
        } else {
                g_wait_timer = NULL;
        }
@@ -91,381 +90,472 @@ Eina_Bool __wait_synthesis(void *data)
        return EINA_FALSE;
 }
 
-int __synthesis(int uid)
+static int __synthesis(int uid, const char* credential)
 {
-       speak_data_s sdata;
-       if (0 == ttsd_data_get_speak_data(uid, &sdata)) {
+       SLOG(LOG_DEBUG, tts_tag(), "@@@ SYNTHESIS  START");
 
-               utterance_t* utt = (utterance_t*)g_malloc0(sizeof(utterance_t));
+       speak_data_s* speak_data = NULL;
+       if (0 == ttsd_data_get_speak_data(uid, &speak_data)) {
+               if (NULL == speak_data) {
+                       SLOG(LOG_WARN, tts_tag(), "[Server] speak data is null");
+                       return 0;
+               }
 
-               if (NULL == utt) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR][%s] fail to allocate memory : utterance ", __FUNCTION__);
-                       return TTSD_ERROR_OUT_OF_MEMORY;
+               int pid = ttsd_data_get_pid(uid);
+               char appid[128] = {0, };
+               if (0 != aul_app_get_appid_bypid(pid, appid, sizeof(appid))) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to get app id");
                }
 
-               utt->uid = uid;
-               utt->uttid = sdata.utt_id;
+               if (NULL == speak_data->lang || NULL == speak_data->text) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Current data is NOT valid");
+                       ttsd_server_stop(uid);
 
-               SLOG(LOG_DEBUG, get_tag(), "-----------------------------------------------------------");
-               SLOG(LOG_DEBUG, get_tag(), "ID : uid (%d), uttid(%d) ", utt->uid, utt->uttid );
-               SLOG(LOG_DEBUG, get_tag(), "Voice : langauge(%s), type(%d), speed(%d)", sdata.lang, sdata.vctype, sdata.speed);
-               SLOG(LOG_DEBUG, get_tag(), "Text : %s", sdata.text);
-               SLOG(LOG_DEBUG, get_tag(), "-----------------------------------------------------------");
+                       ttsdc_send_set_state_message(pid, uid, APP_STATE_READY);
+
+                       if (NULL != speak_data) {
+                               if (NULL != speak_data->lang)   free(speak_data->lang);
+                               if (NULL != speak_data->text)   free(speak_data->text);
+
+                               speak_data->lang = NULL;
+                               speak_data->text = NULL;
+
+                               free(speak_data);
+                               speak_data = NULL;
+                       }
+
+                       return 0;
+               }
+
+               g_utt.uid = uid;
+               g_utt.uttid = speak_data->utt_id;
+
+               SLOG(LOG_INFO, tts_tag(), "-----------------------------------------------------------");
+               SLOG(LOG_INFO, tts_tag(), "ID : uid (%d), uttid(%d) ", g_utt.uid, g_utt.uttid);
+               SLOG(LOG_INFO, tts_tag(), "Voice : langauge(%s), type(%d), speed(%d)", speak_data->lang, speak_data->vctype, speak_data->speed);
+               SLOG(LOG_INFO, tts_tag(), "Text : %s", speak_data->text);
+               SLOG(LOG_INFO, tts_tag(), "Credential : %s", credential);
+               SLOG(LOG_INFO, tts_tag(), "-----------------------------------------------------------");
 
                int ret = 0;
                __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_DOING);
-               ret = ttsd_engine_start_synthesis(sdata.lang, sdata.vctype, sdata.text, sdata.speed, (void*)utt);
+               ret = ttsd_engine_start_synthesis(speak_data->lang, speak_data->vctype, speak_data->text, speak_data->speed, appid, credential, NULL);
                if (0 != ret) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR][%s] * FAIL to start SYNTHESIS !!!! * ", __FUNCTION__);
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] * FAIL to start SYNTHESIS !!!! * ");
 
                        __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_DONE);
 
-                       ttsd_config_save_error(utt->uid, utt->uttid, sdata.lang, sdata.vctype, sdata.text, __FUNCTION__, __LINE__, "fail to start synthesis");
-
-                       g_free(utt);
-
                        ttsd_server_stop(uid);
 
                        int pid = ttsd_data_get_pid(uid);
                        ttsdc_send_set_state_message(pid, uid, APP_STATE_READY);
                } else {
-                       g_wait_timer = ecore_timer_add(0, __wait_synthesis, NULL);
+                       g_wait_timer = ecore_timer_add(0.05, __wait_synthesis, (void*)credential);
                }
 
-               if(sdata.text != NULL)  
-                       g_free(sdata.text);
-       } else {
-               SLOG(LOG_DEBUG, get_tag(), "[Server] --------------------");
-               SLOG(LOG_DEBUG, get_tag(), "[Server] Text queue is empty.");
-               SLOG(LOG_DEBUG, get_tag(), "[Server] --------------------");
+               if (NULL != speak_data) {
+                       if (NULL != speak_data->lang)   free(speak_data->lang);
+                       if (NULL != speak_data->text)   free(speak_data->text);
+
+                       speak_data->lang = NULL;
+                       speak_data->text = NULL;
+
+                       free(speak_data);
+                       speak_data = NULL;
+               }
        }
 
+       SLOG(LOG_DEBUG, tts_tag(), "@@@ SYNTHESIS  END");
+
        return 0;
 }
 
-int __server_next_synthesis(int uid)
+/*
+* TTS Server Callback Functions
+*/
+int ttsd_send_error(ttse_error_e error, const char* msg)
 {
-       SLOG(LOG_DEBUG, get_tag(), "===== NEXT SYNTHESIS & PLAY START");
+       int uid = g_utt.uid;
+       int uttid = g_utt.uttid;
+       int tmp_pid = ttsd_data_get_pid(uid);
 
-       /* get current playing client */
-       int current_uid = ttsd_data_get_current_playing();
+       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] Error msg from engine, pid(%d), uid(%d), uttid(%d), error(%d), msg(%s)", tmp_pid, uid, uttid, error, (NULL == msg ? "NULL" : msg));
 
-       if (0 > current_uid) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Current uid is not valid");
-               SLOG(LOG_DEBUG, get_tag(), "=====");
-               SLOG(LOG_DEBUG, get_tag(), "  ");
-               return 0;
-       }
+       __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_EXPIRED);
 
-       if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control()) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Engine has already been running. ");
-               SLOG(LOG_DEBUG, get_tag(), "=====");
-               SLOG(LOG_DEBUG, get_tag(), "  ");
-               return 0;
-       }
+       if (0 != ttsd_player_clear(uid))
+               SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsd_player_stop()");
 
-       __synthesis(current_uid);
+       if (0 != ttsd_data_clear_data(uid))
+               SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsd_data_clear_data()");
 
-       if (0 != ttsd_player_play(current_uid)) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Fail ttsd_player_play() ");
-       } else {
-               /* success playing */
-               SLOG(LOG_DEBUG, get_tag(), "[Server] Success to start player");
-       }
+       if (0 != ttsdc_send_error_message(tmp_pid, uid, uttid, error, (char*)msg))
+               SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsdc_send_error_message()");
 
-       SLOG(LOG_DEBUG, get_tag(), "===== NEXT SYNTHESIS & PLAY END");
-       SLOG(LOG_DEBUG, get_tag(), "  ");
+       if (0 != ttsd_data_set_client_state(uid, APP_STATE_READY))
+               SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsd_data_set_client_state()");
 
-       return 0;
-}
-
-/*
-* TTS Server Callback Functions        
-*/
-
-int __player_result_callback(player_event_e event, int uid, int utt_id)
-{
-       switch(event) {
-       case PLAYER_ERROR:
-               SLOG(LOG_ERROR, get_tag(), "[SERVER ERROR][%s] player result error", __FUNCTION__);
-               __server_send_error(uid, utt_id, TTSD_ERROR_OPERATION_FAILED);
-               ttsd_config_save_error(uid, utt_id, NULL, -1, NULL, __FUNCTION__, __LINE__, "PLAYER_ERROR");
-
-       case PLAYER_EMPTY_SOUND_QUEUE:
-               /* check whether synthesis is running */
-               if (TTSD_SYNTHESIS_CONTROL_DONE == __server_get_synth_control()) {
-                       /* check text queue is empty */
-                       if (0 == ttsd_data_get_speak_data_size(uid) && 0 == ttsd_data_get_sound_data_size(uid)) {
-                               SLOG(LOG_DEBUG, get_tag(), "[SERVER Callback] all play completed ");
-                       }
-               } 
-               break;
-       
-       case PLAYER_END_OF_PLAYING:
-               break;
-       }
+       if (0 != ttsdc_send_set_state_message(tmp_pid, uid, APP_STATE_READY))
+               SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsdc_send_set_state_message()");
 
        return 0;
 }
 
-int __synthesis_result_callback(ttsp_result_event_e event, const void* data, unsigned int data_size, void *user_data)
+int ttsd_send_result(ttse_result_event_e event, const void* data, unsigned int data_size, ttse_audio_type_e audio_type, int rate, void* user_data)
 {
-       SLOG(LOG_DEBUG, get_tag(), "===== SYNTHESIS RESULT CALLBACK START");
+       SLOG(LOG_DEBUG, tts_tag(), "@@@ SEND SYNTHESIS RESULT START");
 
-       utterance_t* utt_get_param;
-       utt_get_param = (utterance_t*)user_data;
-
-       if (NULL == utt_get_param) {
-               SLOG(LOG_ERROR, get_tag(), "[SERVER ERROR] User data is NULL " );
-               SLOG(LOG_DEBUG, get_tag(), "=====");
-               SLOG(LOG_DEBUG, get_tag(), "  ");
-               return -1;
-       }
-
-       int uid = utt_get_param->uid;
-       int uttid = utt_get_param->uttid;
+       int uid = g_utt.uid;
+       int uttid = g_utt.uttid;
 
        /* Synthesis is success */
-       if (TTSP_RESULT_EVENT_START == event || TTSP_RESULT_EVENT_CONTINUE == event || TTSP_RESULT_EVENT_FINISH == event) {
-               
-               if (TTSP_RESULT_EVENT_START == event)           SLOG(LOG_DEBUG, get_tag(), "[SERVER] Event : TTSP_RESULT_EVENT_START");
-               if (TTSP_RESULT_EVENT_CONTINUE == event)        SLOG(LOG_DEBUG, get_tag(), "[SERVER] Event : TTSP_RESULT_EVENT_CONTINUE");
-               if (TTSP_RESULT_EVENT_FINISH == event)          SLOG(LOG_DEBUG, get_tag(), "[SERVER] Event : TTSP_RESULT_EVENT_FINISH");
+       if (TTSE_RESULT_EVENT_START == event || TTSE_RESULT_EVENT_CONTINUE == event || TTSE_RESULT_EVENT_FINISH == event) {
+               if (TTSE_RESULT_EVENT_START == event) {
+                       SLOG(LOG_INFO, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_START");
+                       SECURE_SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Result Info : uid(%d), utt(%d), data(%p), data size(%d) audiotype(%d) rate(%d)", 
+                               uid, uttid, data, data_size, audio_type, rate);
+               } else if (TTSE_RESULT_EVENT_FINISH == event) {
+                       SLOG(LOG_INFO, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_FINISH");
+                       SECURE_SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Result Info : uid(%d), utt(%d), data(%p), data size(%d) audiotype(%d) rate(%d)", 
+                               uid, uttid, data, data_size, audio_type, rate);
+               } else {
+                       /*if (TTSE_RESULT_EVENT_CONTINUE == event)  SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_CONTINUE");*/
+               }
 
-               if (false == ttsd_data_is_uttid_valid(uid, uttid)) {
-                       SLOG(LOG_ERROR, get_tag(), "[SERVER ERROR] uttid is NOT valid !!!! - uid(%d), uttid(%d)", uid, uttid);
-                       SLOG(LOG_DEBUG, get_tag(), "=====");
-                       SLOG(LOG_DEBUG, get_tag(), "  ");
 
-                       return 0;
+               if (false == ttsd_data_is_uttid_valid(uid, uttid)) {
+                       __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_DONE);
+                       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] uttid is NOT valid !!!! - uid(%d), uttid(%d)", uid, uttid);
+                       SLOG(LOG_DEBUG, tts_tag(), "@@@");
+                       return TTSD_ERROR_OPERATION_FAILED;
                }
 
-               SLOG(LOG_DEBUG, get_tag(), "[SERVER] Result Info : uid(%d), utt(%d), data(%p), data size(%d) ", 
-                       uid, uttid, data, data_size);
+               if (rate <= 0 || audio_type < 0 || audio_type > TTSE_AUDIO_TYPE_MAX) {
+                       __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_DONE);
+                       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] audio data is invalid");
+                       SLOG(LOG_DEBUG, tts_tag(), "@@@");
+                       return TTSD_ERROR_INVALID_PARAMETER;
+               }
 
                /* add wav data */
-               sound_data_s temp_data;
-               temp_data.data = (char*)g_malloc0( sizeof(char) * data_size );
-               memcpy(temp_data.data, data, data_size);
-
-               temp_data.data_size = data_size;
-               temp_data.utt_id = utt_get_param->uttid;
-               temp_data.event = event;
-
-               ttsp_audio_type_e audio_type;
-               int rate;
-               int channels;
-
-               if (ttsd_engine_get_audio_format(&audio_type, &rate, &channels)) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to get audio format ");
-                       SLOG(LOG_DEBUG, get_tag(), "=====");
-                       SLOG(LOG_DEBUG, get_tag(), "  ");
-                       return -1;
+               sound_data_s* temp_sound_data = NULL;
+               temp_sound_data = (sound_data_s*)calloc(1, sizeof(sound_data_s));
+               if (NULL == temp_sound_data) {
+                       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] Out of memory");
+                       return TTSD_ERROR_OUT_OF_MEMORY;
+               }
+
+               temp_sound_data->data = NULL;
+               temp_sound_data->rate = 0;
+               temp_sound_data->data_size = 0;
+
+               if (0 < data_size) {
+                       temp_sound_data->data = (char*)calloc(data_size + 5, sizeof(char));
+                       if (NULL != temp_sound_data->data) {
+                               memcpy(temp_sound_data->data, data, data_size);
+                               temp_sound_data->data_size = data_size;
+                               SLOG(LOG_INFO, tts_tag(), "[DEBUG][memcpy] uid(%d), event(%d) sound_data(%p) data(%p) size(%d)", 
+                                       uid, event, temp_sound_data, temp_sound_data->data, temp_sound_data->data_size);
+                       } else {
+                               SLOG(LOG_ERROR, tts_tag(), "Fail to allocate memory");
+                       }
+               } else {
+                       SLOG(LOG_ERROR, tts_tag(), "Sound data is NULL");
                }
-               
-               temp_data.audio_type = audio_type;
-               temp_data.rate = rate;
-               temp_data.channels = channels;
-               
-               if (0 != ttsd_data_add_sound_data(uid, temp_data)) {
-                       SLOG(LOG_ERROR, get_tag(), "[SERVER ERROR] Fail to add sound data : uid(%d)", utt_get_param->uid);
+
+               temp_sound_data->utt_id = uttid;
+               temp_sound_data->event = event;
+               temp_sound_data->audio_type = audio_type;
+               temp_sound_data->rate = rate;
+
+               if (0 != ttsd_data_add_sound_data(uid, temp_sound_data)) {
+                       SECURE_SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] Fail to add sound data : uid(%d)", uid);
                }
 
-               if (event == TTSP_RESULT_EVENT_FINISH) {
+               if (event == TTSE_RESULT_EVENT_FINISH) {
                        __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_DONE);
                }
-       } else if (event == TTSP_RESULT_EVENT_CANCEL) {
-               SLOG(LOG_DEBUG, get_tag(), "[SERVER] Event : TTSP_RESULT_EVENT_CANCEL");
-               __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_EXPIRED);
+
+               if (0 != ttsd_player_play(uid)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to play sound : uid(%d)", uid);
+
+                       /* Change ready state */
+                       ttsd_server_stop(uid);
+
+                       int tmp_pid;
+                       tmp_pid = ttsd_data_get_pid(uid);
+                       ttsdc_send_set_state_message(tmp_pid, uid, APP_STATE_READY);
+               }
        } else {
-               SLOG(LOG_DEBUG, get_tag(), "[SERVER] Event : TTSP_RESULT_EVENT_ERROR");
+               SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_ERROR");
                __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_EXPIRED);
-       } 
-
-       if (TTSP_RESULT_EVENT_FINISH == event || TTSP_RESULT_EVENT_CANCEL == event || TTSP_RESULT_EVENT_FAIL == event) {
-               if (NULL != utt_get_param)              
-                       free(utt_get_param);
        }
 
-       SLOG(LOG_DEBUG, get_tag(), "===== SYNTHESIS RESULT CALLBACK END");
-       SLOG(LOG_DEBUG, get_tag(), "  ");
 
-#if 0
-       if (true == __server_get_is_next_synthesis()) {
-               __server_set_is_next_synthesis(false);
+       /*SLOG(LOG_DEBUG, tts_tag(), "@@@ SYNTHESIS RESULT CALLBACK END");
+       SLOG(LOG_DEBUG, tts_tag(), "  ");*/
 
-               /* Do NOT work ecore timer because of This function is thread callbacked */ 
-               /* need to send dbus message event */
-               ttsd_send_start_next_synthesis();
-       }
-#endif
-
-       return 0;
+       return TTSD_ERROR_NONE;
 }
 
-bool __get_client_cb(int pid, int uid, app_state_e state, void* user_data)
+bool __get_client_cb(int pid, int uid, app_tts_state_e state, void* user_data)
 {
        /* clear client data */
-       ttsd_data_clear_data(uid);                      
+       ttsd_data_clear_data(uid);
        ttsd_data_set_client_state(uid, APP_STATE_READY);
 
        /* send message */
-       if ( 0 != ttsdc_send_set_state_message(pid, uid, APP_STATE_READY)) {
+       if (0 != ttsdc_send_set_state_message(pid, uid, APP_STATE_READY)) {
                /* remove client */
                ttsd_data_delete_client(uid);
-       } 
+       }
 
        return true;
 }
 
-void __config_lang_changed_cb(const char* language, int type)
+void __config_changed_cb(tts_config_type_e type, const char* str_param, int int_param)
 {
-       char* out_lang;
-       ttsp_voice_type_e out_type;
-       int ret = -1;
+       switch (type) {
+       case TTS_CONFIG_TYPE_ENGINE:
+       {
+               /* TODO - Determine the policy when engine process get engine changed cb */
+               if (NULL == str_param) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server] engine id from config is NULL");
+                       return;
+               }
+
+               int ret = 0;
+               if (true == ttsd_engine_agent_is_same_engine(str_param)) {
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server Setting] new engine is the same as current engine");
+                       ret = ttsd_engine_agent_unload_current_engine();
+                       if (0 != ret) {
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to unload current engine : result(%d)", ret);
+                       }
+
+                       ret = ttsd_engine_agent_load_current_engine();
+                       if (0 != ret) {
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to load current engine : result (%d)", ret);
+                       }
+                       return;
+               }
 
-       if (true == ttsd_engine_select_valid_voice(language, type, &out_lang, &out_type)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server] valid language : lang(%s), type(%d)", out_lang, out_type);
-               ret = ttsd_engine_setting_set_default_voice(out_lang, out_type);
-               if (0 != ret)
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to set vaild language : lang(%s), type(%d)", out_lang, out_type);
-               
-               if (NULL == out_lang)
+               /* stop all player */ 
+               ttsd_player_all_stop();
+
+               /* send interrupt message to  all clients */
+               ttsd_data_foreach_clients(__get_client_cb, NULL);
+
+               ttsd_engine_cancel_synthesis();
+
+               break;
+       }
+
+       case TTS_CONFIG_TYPE_VOICE:
+       {
+               if (NULL == str_param) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server] language from config is NULL");
+                       return;
+               }
+
+               char* out_lang = NULL;
+               int out_type;
+               int ret = -1;
+
+               if (true == ttsd_engine_select_valid_voice(str_param, int_param, &out_lang, &out_type)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server] valid language : lang(%s), type(%d)", out_lang, out_type);
+                       ret = ttsd_engine_agent_set_default_voice(out_lang, out_type);
+                       if (0 != ret)
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set valid language : lang(%s), type(%d)", out_lang, out_type);
+               } else {
+                       /* Current language is not available */
+                       SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Fail to set voice : lang(%s), type(%d)", str_param, int_param);
+               }
+               if (NULL != out_lang) {
                        free(out_lang);
-       } else {
-               /* Current language is not available */
-               if (true == ttsd_engine_select_valid_voice("en_US", type, &out_lang, &out_type)) {
-                       ret = ttsd_engine_setting_set_default_voice(out_lang, out_type);
-                       if (0 != ret) 
-                               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to set valid language : lang(%s), type(%d)", out_lang, out_type);
-                       
-                       if (NULL == out_lang)
-                               free(out_lang);
+                       out_lang = NULL;
                }
+               break;
        }
-       
+
+       case TTS_CONFIG_TYPE_SPEED:
+       {
+               if (TTS_SPEED_MIN <= int_param && int_param <= TTS_SPEED_MAX) {
+                       /* set default speed */
+                       int ret = 0;
+                       ret = ttsd_engine_agent_set_default_speed(int_param);
+                       if (0 != ret) {
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set default speed : result(%d)", ret);
+                       }
+               }
+               break;
+       }
+
+       case TTS_CONFIG_TYPE_PITCH:
+       {
+               if (TTS_PITCH_MIN <= int_param && int_param <= TTS_PITCH_MAX) {
+                       /* set default speed */
+                       int ret = 0;
+                       ret = ttsd_engine_agent_set_default_pitch(int_param);
+                       if (0 != ret) {
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set default pitch : result(%d)", ret);
+                       }
+               }
+               break;
+       }
+       }
+
        return;
 }
 
+bool __terminate_client(int pid, int uid, app_tts_state_e state, void* user_data)
+{
+       SLOG(LOG_INFO, tts_tag(), "@@@ Start to terminate client [%d]", uid);
+       ttsd_server_finalize(uid);
+       return true;
+}
+
+Eina_Bool ttsd_terminate_daemon(void *data)
+{
+       ttsd_data_foreach_clients(__terminate_client, NULL);
+       return EINA_FALSE;
+}
+
+void __screen_reader_changed_cb(bool value)
+{
+       if (TTSD_MODE_SCREEN_READER == ttsd_get_mode() && false == value) {
+               SLOG(LOG_INFO, tts_tag(), "[Server] Screen reader is OFF. Start to terminate tts daemon");
+               ecore_timer_add(1, ttsd_terminate_daemon, NULL);
+       } else {
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] Screen reader is %s", value ? "ON" : "OFF");
+       }
+       return;
+}
 
 /*
 * Server APIs
 */
-
-int ttsd_initialize()
+int ttsd_initialize(ttse_request_callback_s *callback)
 {
-       if (ttsd_config_initialize(__config_lang_changed_cb)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server WARNING] Fail to initialize config.");
+       SLOG(LOG_INFO, tts_tag(), "[Server] Initialize");
+
+       if (ttsd_config_initialize(__config_changed_cb)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server WARNING] Fail to initialize config.");
        }
 
        /* player init */
-       if (ttsd_player_init(__player_result_callback)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to initialize player init.");
+       if (ttsd_player_init()) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to initialize player init.");
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
        /* Engine Agent initialize */
-       if (0 != ttsd_engine_agent_init(__synthesis_result_callback)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to engine agent initialize.");
+       if (0 != ttsd_engine_agent_init()) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to engine agent initialize.");
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
        /* set current engine */
-       if (0 != ttsd_engine_agent_initialize_current_engine()) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] No Engine !!!" );
-               g_is_engine = false;
-       } else 
-               g_is_engine = true;
-       
+       //if (0 != ttsd_engine_agent_initialize_current_engine(callback)) {
+       //      SLOG(LOG_WARN, tts_tag(), "[Server WARNING] No Engine !!!" );
+       //      g_is_engine = false;
+       //} else
+       //      g_is_engine = true;
+
+       if (0 != ttsd_engine_agent_load_current_engine(callback)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to load current engine");
+               return TTSD_ERROR_OPERATION_FAILED;
+       }
+
        __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_EXPIRED);
 
+       if (TTSD_MODE_SCREEN_READER == ttsd_get_mode()) {
+               ttsd_config_set_screen_reader_callback(__screen_reader_changed_cb);
+       }
+
+       g_check_client_timer = ecore_timer_add(CLIENT_CLEAN_UP_TIME, ttsd_cleanup_client, NULL);
+       if (NULL == g_check_client_timer) {
+               SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to create timer");
+       }
+
        return TTSD_ERROR_NONE;
 }
 
 int ttsd_finalize()
 {
+       SLOG(LOG_INFO, tts_tag(), "[Server] Finalize");
+
+       GList *iter = NULL;
+       if (0 < g_list_length(g_proc_list)) {
+               iter = g_list_first(g_proc_list);
+               while (NULL != iter) {
+                       g_proc_list = g_list_remove_link(g_proc_list, iter);
+                       g_list_free(iter);
+                       iter = g_list_first(g_proc_list);
+               }
+       }
+
        ttsd_config_finalize();
-       
+
        ttsd_player_release();
 
        ttsd_engine_agent_release();
 
-       return TTSD_ERROR_NONE;
-}
-
-bool __get_client_for_clean_up(int pid, int uid, app_state_e state, void* user_data)
-{
-       int result = 1;
-
-       result = ttsdc_send_hello(pid, uid);
+       if (NULL != g_check_client_timer) {
+               ecore_timer_del(g_check_client_timer);
+               g_check_client_timer = NULL;
 
-       if (0 == result) {
-               SLOG(LOG_DEBUG, get_tag(), "[Server] uid(%d) should be removed.", uid); 
-               ttsd_server_finalize(uid);
-       } else if (-1 == result) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Hello result has error"); 
+               SLOG(LOG_INFO, tts_tag(), "[INFO] Delete ecore timer handle");
        }
 
-       return true;
-}
-
-
-Eina_Bool ttsd_cleanup_client(void *data)
-{
-       SLOG(LOG_DEBUG, get_tag(), "===== CLEAN UP CLIENT START");
-       ttsd_data_foreach_clients(__get_client_for_clean_up, NULL);
-       SLOG(LOG_DEBUG, get_tag(), "=====");
-       SLOG(LOG_DEBUG, get_tag(), "  ");
-
-       return EINA_TRUE;
+       return TTSD_ERROR_NONE;
 }
 
 /*
 * TTS Server Functions for Client
 */
 
-int ttsd_server_initialize(int pid, int uid)
+int ttsd_server_initialize(int pid, int uid, bool* credential_needed)
 {
-       if (false == g_is_engine) {
-               if (0 != ttsd_engine_agent_initialize_current_engine()) {
-                       SLOG(LOG_WARN, get_tag(), "[Server WARNING] No Engine !!! " );
-                       g_is_engine = false;
+       SLOG(LOG_INFO, tts_tag(), "[Server] Server initialize");
 
-                       return TTSD_ERROR_ENGINE_NOT_FOUND;
-               } else {
-                       g_is_engine = true;
-               }
+       if (-1 != ttsd_data_is_client(uid)) {
+               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Uid has already been registered");
+               return TTSD_ERROR_NONE;
        }
 
-       if (-1 != ttsd_data_is_client(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Uid has already been registered ");
-               return TTSD_ERROR_INVALID_PARAMETER;
+       if (0 != ttsd_engine_agent_is_credential_needed(uid, credential_needed)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to get credential necessity");
+               return TTSD_ERROR_OPERATION_FAILED;
        }
 
-       if (0 == ttsd_data_get_client_count()) {
-               if (0 != ttsd_engine_agent_load_current_engine()) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to load current engine ");
+       if (true == *credential_needed) {
+               char* appid = NULL;
+               if (0 != app_manager_get_app_id(pid, &appid)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to get app id, pid(%d)", pid);
+               }
+               bool is_agreed = false;
+               if (0 != ttsd_engine_check_app_agreed(appid, &is_agreed)) {
+                       SLOG(LOG_ERROR, tts_tag(), "Server ERROR] Fail to check app agreed");
+                       if (!appid)
+                               free(appid);
                        return TTSD_ERROR_OPERATION_FAILED;
                }
-               /* Check system language */
-               ttsd_config_update_language();
-       }
+               if (!appid)
+                       free(appid);
 
-       if (0 == ttsd_data_get_same_pid_client_count(pid)) {
-               SLOG(LOG_DEBUG, get_tag(), "[Server] open file msg connection");
-               if (0 != ttsd_file_msg_open_connection(pid)) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] fail to open file message connection");
-                       return TTSD_ERROR_OPERATION_FAILED;
+               if (false == is_agreed) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] App is not agreed");
+                       return TTSD_ERROR_PERMISSION_DENIED;
                }
        }
 
        if (0 != ttsd_data_new_client(pid, uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to add client info ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to add client info");
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
        if (0 != ttsd_player_create_instance(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to create player ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to create player");
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
@@ -474,89 +564,249 @@ int ttsd_server_initialize(int pid, int uid)
 
 static Eina_Bool __quit_ecore_loop(void *data)
 {
+       ttsd_dbus_close_connection();
+       ttsd_network_finalize();
+       ttsd_finalize();
        ecore_main_loop_quit();
-       SLOG(LOG_DEBUG, get_tag(), "[Server] quit ecore main loop");
+
        return EINA_FALSE;
 }
 
+
+static void __read_proc()
+{
+       DIR *dp = NULL;
+       struct dirent *dirp = NULL;
+       int tmp;
+
+       GList *iter = NULL;
+       if (0 < g_list_length(g_proc_list)) {
+               iter = g_list_first(g_proc_list);
+               while (NULL != iter) {
+                       g_proc_list = g_list_remove_link(g_proc_list, iter);
+                       g_list_free(iter);
+                       iter = g_list_first(g_proc_list);
+               }
+       }
+
+       dp = opendir("/proc");
+       if (NULL == dp) {
+               SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to open proc");
+       } else {
+               do {
+                       dirp = readdir(dp);
+
+                       if (NULL != dirp) {
+                               tmp = atoi(dirp->d_name);
+                               if (0 >= tmp)   continue;
+                               g_proc_list = g_list_append(g_proc_list, GINT_TO_POINTER(tmp));
+                       }
+               } while (NULL != dirp);
+               closedir(dp);
+       }
+       return;
+}
+
+bool __get_client_for_clean_up(int pid, int uid, app_tts_state_e state, void* user_data)
+{
+       bool exist = false;
+       int i = 0;
+
+       GList *iter = NULL;
+       for (i = 0; i < g_list_length(g_proc_list); i++) {
+               iter = g_list_nth(g_proc_list, i);
+               if (NULL != iter) {
+                       if (pid == GPOINTER_TO_INT(iter->data)) {
+                               SLOG(LOG_DEBUG, tts_tag(), "uid (%d) is running", uid);
+                               exist = true;
+                               break;
+                       }
+               }
+       }
+
+       if (false == exist) {
+               SLOG(LOG_ERROR, tts_tag(), "uid (%d) should be removed", uid);
+               ttsd_server_finalize(uid);
+       }
+
+       return true;
+#if 0
+       char appid[128] = {0, };
+       if (0 != aul_app_get_appid_bypid(pid, appid, sizeof(appid))) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to get app id");
+       }
+
+       if (0 < strlen(appid)) {
+               SLOG(LOG_DEBUG, tts_tag(), "[%d] is running app - %s", pid, appid);
+       } else {
+               SLOG(LOG_DEBUG, tts_tag(), "[%d] is daemon or no_running app", pid);
+
+               int result = 1;
+               result = ttsdc_send_hello(pid, uid);
+
+               if (0 == result) {
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] uid(%d) should be removed.", uid);
+                       ttsd_server_finalize(uid);
+               } else if (-1 == result) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Hello result has error");
+               }
+       }
+       return true;
+#endif
+}
+
+
+Eina_Bool ttsd_cleanup_client(void *data)
+{
+       SLOG(LOG_DEBUG, tts_tag(), "@@@ CLEAN UP CLIENT START");
+       __read_proc();
+
+       if (0 < ttsd_data_get_client_count()) {
+               ttsd_data_foreach_clients(__get_client_for_clean_up, NULL);
+       } else {
+               ecore_timer_add(0, __quit_ecore_loop, NULL);
+       }
+
+       SLOG(LOG_DEBUG, tts_tag(), "@@@");
+
+       return EINA_TRUE;
+}
+
+void __used_voice_cb(const char* lang, int type)
+{
+       SLOG(LOG_DEBUG, tts_tag(), "[Server] Request to unload voice (%s,%d)", lang, type);
+       if (0 != ttsd_engine_unload_voice(lang, type)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to unload voice");
+       }
+}
+
 int ttsd_server_finalize(int uid)
 {
-       app_state_e state;
+       SLOG(LOG_INFO, tts_tag(), "[Server] Server finalize");
+
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] ttsd_server_finalize : uid is not valid  ");
-               return TTSD_ERROR_INVALID_PARAMETER;
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] ttsd_server_finalize : uid is not valid");
        }
 
        ttsd_server_stop(uid);
-       
+       ttsd_player_stop(uid);
+
        ttsd_player_destroy_instance(uid);
 
-       int pid = ttsd_data_get_pid(uid);
+       /* Need to unload voice when used voice is unregistered */
+       if (0 != ttsd_data_reset_used_voice(uid, __used_voice_cb)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set used voice");
+               return TTSD_ERROR_OPERATION_FAILED;
+       }
 
        ttsd_data_delete_client(uid);
 
-       if (0 == ttsd_data_get_same_pid_client_count(pid)) {
-               SLOG(LOG_DEBUG, get_tag(), "[Sever] File msg close connection");
-               ttsd_file_msg_close_connection(pid);
-       }
-
        /* unload engine, if ref count of client is 0 */
        if (0 == ttsd_data_get_client_count()) {
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] Quit main loop");
                ecore_timer_add(0, __quit_ecore_loop, NULL);
        }
 
        return TTSD_ERROR_NONE;
 }
 
-int ttsd_server_add_queue(int uid, const char* text, const char* lang, int voice_type, int speed, int utt_id)
+int ttsd_server_add_queue(int uid, const char* text, const char* lang, int voice_type, int speed, int utt_id, const char* credential)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] ttsd_server_add_queue : uid is not valid  ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] ttsd_server_add_queue : uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
        /* check valid voice */
        char* temp_lang = NULL;
-       ttsp_voice_type_e temp_type;
-       if (true != ttsd_engine_select_valid_voice((const char*)lang, (const ttsp_voice_type_e)voice_type, &temp_lang, &temp_type)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to select valid voice ");
+       int temp_type;
+       if (true != ttsd_engine_select_valid_voice((const char*)lang, voice_type, &temp_lang, &temp_type)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to select valid voice");
+               if (NULL != temp_lang) {
+                       free(temp_lang);
+                       temp_lang = NULL;
+               }
+               return TTSD_ERROR_INVALID_VOICE;
+       }
+
+       if (NULL == temp_lang) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to select valid voice : result lang is NULL");
                return TTSD_ERROR_INVALID_VOICE;
-       } else {                
-               if (NULL == temp_lang)
+       }
+
+       speak_data_s* speak_data = NULL;
+       speak_data = (speak_data_s*)calloc(1, sizeof(speak_data_s));
+       if (NULL == speak_data) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to allocate memory");
+               if (NULL != temp_lang) {
                        free(temp_lang);
+                       temp_lang = NULL;
+               }
+               return TTSD_ERROR_OPERATION_FAILED;
        }
-       
-       speak_data_s data;
 
-       data.lang = strdup(lang);
-       data.vctype = (ttsp_voice_type_e)voice_type;
+       speak_data->lang = strdup(lang);
+       speak_data->vctype = voice_type;
+
+       speak_data->speed = speed;
+       speak_data->utt_id = utt_id;
 
-       data.speed = (ttsp_speed_e)speed;
-       data.utt_id = utt_id;
-               
-       data.text = strdup(text);
+       speak_data->text = strdup(text);
+
+       SLOG(LOG_INFO, tts_tag(), "[Server] Add queue, lang(%s), vctype(%d), speed(%d), uttid(%d), credential(%s)", lang, voice_type, speed, utt_id, credential);
 
        /* if state is APP_STATE_READY , APP_STATE_PAUSED , only need to add speak data to queue*/
-       if (0 != ttsd_data_add_speak_data(uid, data)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] ttsd_server_add_queue : Current state of uid is not 'ready' ");
-               return TTSD_ERROR_OPERATION_FAILED;
+       int ret = -1;
+       ret = ttsd_data_add_speak_data(uid, speak_data);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to add speak data");
+               if (NULL != temp_lang) {
+                       free(temp_lang);
+                       temp_lang = NULL;
+               }
+               if (NULL != speak_data) {
+                       if (NULL != speak_data->lang)   free(speak_data->lang);
+                       if (NULL != speak_data->text)   free(speak_data->text);
+
+                       speak_data->lang = NULL;
+                       speak_data->text = NULL;
+
+                       free(speak_data);
+                       speak_data = NULL;
+               }
+
+               return ret;
+       }
+
+       if (0 != ttsd_data_set_used_voice(uid, temp_lang, temp_type)) {
+               /* Request load voice */
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] Request to load voice");
+               if (0 != ttsd_engine_load_voice(temp_lang, temp_type)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to load voice");
+               }
+       }
+
+       if (NULL != temp_lang) {
+               free(temp_lang);
+               temp_lang = NULL;
        }
 
        if (APP_STATE_PLAYING == state) {
                /* check if engine use network */
                if (ttsd_engine_agent_need_network()) {
                        if (false == ttsd_network_is_connected()) {
-                               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Disconnect network. Current engine needs network.");
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Disconnect network. Current engine needs network.");
                                return TTSD_ERROR_OPERATION_FAILED;
                        }
                }
 
                /* Check whether tts-engine is running or not */
                if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control()) {
-                       SLOG(LOG_WARN, get_tag(), "[Server WARNING] Engine has already been running.");
+                       SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Engine has already been running.");
                } else {
-                       __synthesis(uid);
+                       __synthesis(uid, credential);
                }
        }
 
@@ -565,160 +815,171 @@ int ttsd_server_add_queue(int uid, const char* text, const char* lang, int voice
 
 Eina_Bool __send_interrupt_client(void *data)
 {
-       int* uid = (int*)data;
-       
-       if (NULL != uid) {
-               int pid = ttsd_data_get_pid(*uid);
+       intptr_t puid = (intptr_t)data;
+       int uid = (int)puid;
+
+       int pid = ttsd_data_get_pid(uid);
+
+       if (TTSD_MODE_DEFAULT != ttsd_get_mode()) {
                /* send message to client about changing state */
-               ttsdc_send_set_state_message (pid, *uid, APP_STATE_PAUSED);
-               free(uid);
+               ttsdc_send_set_state_message(pid, uid, APP_STATE_READY);
+       } else {
+               ttsdc_send_set_state_message(pid, uid, APP_STATE_PAUSED);
        }
+
        return EINA_FALSE;
 }
 
-int ttsd_server_play(int uid)
+int ttsd_server_play(int uid, const char* credential)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] uid(%d) is NOT valid  ", uid);
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid(%d) is NOT valid  ", uid);
                return TTSD_ERROR_INVALID_PARAMETER;
        }
-       
+
        if (APP_STATE_PLAYING == state) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Current state(%d) is 'play' ", uid);
+               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Current state(%d) is 'play' ", uid);
                return TTSD_ERROR_NONE;
        }
 
        /* check if engine use network */
        if (ttsd_engine_agent_need_network()) {
                if (false == ttsd_network_is_connected()) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Disconnect network. Current engine needs network service!!!.");
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Disconnect network. Current engine needs network service!!!.");
                        return TTSD_ERROR_OUT_OF_NETWORK;
                }
        }
 
+       /* check the current playback focus */
+       if (TTSD_MODE_INTERRUPT != ttsd_get_mode()) {
+               bool is_current_interrupt = false;
+               if (0 != ttsd_player_check_current_playback_focus(&is_current_interrupt)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to check the current playback focus");
+               } else {
+                       if (true == is_current_interrupt) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Current playback focus is set on Interrupt mode. Cannot play default, screen reader, and noti modes.");
+                               return TTSD_ERROR_AUDIO_POLICY_BLOCKED;
+                       }
+               }
+       }
+
        int current_uid = ttsd_data_get_current_playing();
+       SLOG(LOG_INFO, tts_tag(), "[Server] playing uid (%d)", current_uid);
 
        if (uid != current_uid && -1 != current_uid) {
-               /* Send interrupt message */
-               SLOG(LOG_DEBUG, get_tag(), "[Server] Old uid(%d) will be interrupted into 'Pause' state ", current_uid);
+               if (TTSD_MODE_DEFAULT != ttsd_get_mode()) {
+                       /* Send interrupt message */
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] Old uid(%d) will be interrupted into 'Stop' state ", current_uid);
 
-               /* pause player */
-               if (0 != ttsd_player_pause(current_uid)) {
-                       SLOG(LOG_WARN, get_tag(), "[Server ERROR] fail to ttsd_player_pause() : uid (%d)", current_uid);
-               } 
+                       /* pause player */
+                       if (0 != ttsd_server_stop(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to stop : uid (%d)", current_uid);
+                       }
+                       if (0 != ttsd_player_stop(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to player stop : uid (%d)", current_uid);
+                       }
+
+                       intptr_t pcurrent_uid = (intptr_t)current_uid;
+                       ecore_timer_add(0, __send_interrupt_client, (void*)pcurrent_uid);
+               } else {
+                       /* Default mode policy of interrupt is "Pause" */
+
+                       /* Send interrupt message */
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] Old uid(%d) will be interrupted into 'Pause' state ", current_uid);
+
+                       /* pause player */
+                       if (0 != ttsd_player_pause(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to ttsd_player_pause() : uid (%d)", current_uid);
+                       }
 
-               /* change state */
-               ttsd_data_set_client_state(current_uid, APP_STATE_PAUSED);
+                       /* change state */
+                       ttsd_data_set_client_state(current_uid, APP_STATE_PAUSED);
 
-               int* temp_uid = (int*)malloc(sizeof(int));
-               *temp_uid = current_uid;
-               ecore_timer_add(0, __send_interrupt_client, temp_uid);
+                       intptr_t pcurrent_uid = (intptr_t)current_uid;
+                       ecore_timer_add(0, __send_interrupt_client, (void*)pcurrent_uid);
+               }
        }
-       
+
        /* Change current play */
        if (0 != ttsd_data_set_client_state(uid, APP_STATE_PLAYING)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to set state : uid(%d)", uid);
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set state : uid(%d)", uid);
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
        if (APP_STATE_PAUSED == state) {
-               SLOG(LOG_DEBUG, get_tag(), "[Server] uid(%d) is 'Pause' state : Next step is resume player and start synthesis ", uid);
-
-               ttsd_player_state_e state;
-               if (0 != ttsd_player_get_state(uid, &state)) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to get player state : uid(%d)", uid);
-                       return TTSD_ERROR_OPERATION_FAILED;
-               }
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] uid(%d) is 'Pause' state : resume player", uid);
 
-               if (TTSD_PLAYER_STATE_PAUSED == state) {
-                       /* Resume player */
-                       if (0 != ttsd_player_resume(uid)) {
-                               SLOG(LOG_WARN, get_tag(), "[Server WARNING] fail to ttsd_player_resume()");
-                       }
-               } else if (TTSD_PLAYER_STATE_NULL == state) {
-                       if (0 != ttsd_player_play(uid)) {
-                               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Fail ttsd_player_play() ");
-                               
-                               /* Need to wait synthesis */
-                               if (NULL == g_wait_timer)
-                                       g_wait_timer = ecore_timer_add(0, __wait_synthesis, NULL);
-                       } else {
-                               /* success playing */
-                               SLOG(LOG_DEBUG, get_tag(), "[Server] Success to start player");
-                       }       
-               } else {
-                       /* error */
+               /* Resume player */
+               if (0 != ttsd_player_resume(uid)) {
+                       SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Fail to ttsd_player_resume()");
                }
        }
 
        /* Check whether tts-engine is running or not */
        if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control()) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Engine has already been running.");
+               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Engine has already been running.");
        } else {
-               __synthesis(uid);
+               __synthesis(uid, credential);
        }
 
        return TTSD_ERROR_NONE;
 }
 
-
 int ttsd_server_stop(int uid)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] uid is not valid  ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
-       /* Reset all data */
-       ttsd_data_clear_data(uid);
+       SLOG(LOG_INFO, tts_tag(), "[Server] server stop, state(%d)", state);
 
        if (APP_STATE_PLAYING == state || APP_STATE_PAUSED == state) {
-               ttsd_data_set_client_state(uid, APP_STATE_READY);
-
-               if (0 != ttsd_player_stop(uid)) 
-                       SLOG(LOG_WARN, get_tag(), "[Server] Fail to ttsd_player_stop()");
-
-               if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control()) {
-                       SLOG(LOG_DEBUG, get_tag(), "[Server] TTS-engine is running ");
+               if (TTSD_SYNTHESIS_CONTROL_DOING == __server_get_synth_control() && uid == ttsd_data_get_current_playing()) {
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] TTS-engine is running");
 
                        int ret = 0;
                        ret = ttsd_engine_cancel_synthesis();
                        if (0 != ret)
-                               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail to cancel synthesis : ret(%d)", ret);
-               }
-
-               if (NULL != g_wait_timer) {
-                       SLOG(LOG_DEBUG, get_tag(), "Wait timer is deleted");
-                       ecore_timer_del(g_wait_timer);
+                               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to cancel synthesis : ret(%d)", ret);
                }
 
                __server_set_synth_control(TTSD_SYNTHESIS_CONTROL_EXPIRED);
-       } else {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Current state is 'ready' ");
+
+               if (0 != ttsd_player_clear(uid))
+                       SLOG(LOG_WARN, tts_tag(), "[Server] Fail to ttsd_player_stop()");
+
+               ttsd_data_set_client_state(uid, APP_STATE_READY);
        }
 
+       /* Reset all data */
+       ttsd_data_clear_data(uid);
+
        return TTSD_ERROR_NONE;
 }
 
 int ttsd_server_pause(int uid, int* utt_id)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] ttsd_server_pause : uid is not valid  ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] ttsd_server_pause : uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
        if (APP_STATE_PLAYING != state) {
-               SLOG(LOG_WARN, get_tag(), "[Server WARNING] Current state is not 'play' ");
+               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Current state is not 'play'");
                return TTSD_ERROR_INVALID_STATE;
        }
 
+       *utt_id = g_utt.uttid;
+       SLOG(LOG_INFO, tts_tag(), "[Server] server pause, uid(%d), g_uid(%d), utt_id(%d)", uid, g_utt.uid, *utt_id);
+
        int ret = 0;
        ret = ttsd_player_pause(uid);
        if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] fail player_pause() : ret(%d)", ret);
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail player_pause() : ret(%d)", ret);
                return TTSD_ERROR_OPERATION_FAILED;
        }
 
@@ -729,306 +990,303 @@ int ttsd_server_pause(int uid, int* utt_id)
 
 int ttsd_server_get_support_voices(int uid, GList** voice_list)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] uid is not valid  ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
        /* get voice list*/
-       if (0 != ttsd_engine_get_voice_list(voice_list)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] Fail ttsd_server_get_support_voices() ");
-               return TTSD_ERROR_OPERATION_FAILED;
+       int ret = ttsd_engine_get_voice_list(voice_list);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail ttsd_server_get_support_voices() : ret(%d)", ret);
+               return ret;
        }
 
-       SLOG(LOG_DEBUG, get_tag(), "[Server SUCCESS] Get supported voices ");
+       SLOG(LOG_DEBUG, tts_tag(), "[Server SUCCESS] Get supported voices");
 
        return TTSD_ERROR_NONE;
 }
 
 int ttsd_server_get_current_voice(int uid, char** language, int* voice_type)
 {
-       app_state_e state;
+       app_tts_state_e state;
        if (0 > ttsd_data_get_client_state(uid, &state)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] ttsd_server_get_current_voice : uid is not valid  ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] ttsd_server_get_current_voice : uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
-       }               
+       }
 
        /* get current voice */
-       int ret = ttsd_engine_get_default_voice(language, (ttsp_voice_type_e*)voice_type);
+       int ret = ttsd_engine_get_default_voice(language, voice_type);
        if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server ERROR] fail ttsd_server_get_support_voices() ");
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail ttsd_server_get_support_voices() : ret(%d)", ret);
                return ret;
        }
 
-       SLOG(LOG_DEBUG, get_tag(), "[Server] Get default language (%s), voice type(%d) ", *language, *voice_type); 
+       SLOG(LOG_DEBUG, tts_tag(), "[Server] Get default language (%s), voice type(%d) ", *language, *voice_type);
 
        return TTSD_ERROR_NONE;
 }
 
-#if 0
-/*
-* Server API for Internal event
-*/
-int ttsd_server_start_next_synthesis()
+int ttsd_server_set_private_data(int uid, const char* key, const char* data)
 {
-       /* get current play */
-       int uid = ttsd_data_is_current_playing();
-
-       if (uid < 0) {
-               return 0;
-       }
-
-       return __server_next_synthesis(uid);
-}
-#endif
-
-/*
-* TTS Server Functions for Setting                                                                                                               *
-*/
-
-int ttsd_server_setting_initialize(int uid)
-{
-       if (false == g_is_engine) {
-               if (0 != ttsd_engine_agent_initialize_current_engine()) {
-                       SLOG(LOG_WARN, get_tag(), "[Server Setting WARNING] No Engine !!! " );
-                       g_is_engine = false;
-                       return TTSD_ERROR_ENGINE_NOT_FOUND;
-               } else {
-                       g_is_engine = true;
-               }
-       }
-
-       if (-1 != ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] pid has already been registered ");
+       app_tts_state_e state;
+       if (0 > ttsd_data_get_client_state(uid, &state)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid(%d) is NOT valid", uid);
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
-       if (0 == ttsd_data_get_client_count()) {
-               if( 0 != ttsd_engine_agent_load_current_engine() ) {
-                       SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] Fail to load current engine ");
-                       return TTSD_ERROR_OPERATION_FAILED;
-               }
+       if (APP_STATE_READY != state) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Current state(%d) is NOT 'READY'", uid);
+               return TTSD_ERROR_INVALID_STATE;
        }
 
-       /* register pid */
-       if (0 != ttsd_setting_data_add(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] Fail to add client info ");
-               return TTSD_ERROR_OPERATION_FAILED;
+       int ret = ttsd_engine_set_private_data(key, data);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set private data : ret(%d)", ret);
+       } else {
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] Set private data, key(%s), data(%s)", key, data);
        }
 
-       return TTSD_ERROR_NONE;
+       return ret;
 }
 
-int ttsd_server_setting_finalize(int uid)
+int ttsd_server_get_private_data(int uid, const char* key, char** data)
 {
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
+       app_tts_state_e state;
+       if (0 > ttsd_data_get_client_state(uid, &state)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid(%d) is NOT valid", uid);
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
-       ttsd_setting_data_delete(uid);
+       if (APP_STATE_READY != state) {
+               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Current state(%d) is NOT 'READY'", uid);
+               return TTSD_ERROR_INVALID_STATE;
+       }
 
-       /* unload engine, if ref count of client is 0 */
-       if (0 == ttsd_data_get_client_count()) {
-               ecore_timer_add(0, __quit_ecore_loop, NULL);
+       int ret = ttsd_engine_get_private_data(key, data);
+       if (0 != ret) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to get private data : ret(%d)", ret);
+       } else {
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] Get private data, key(%s), data(%s)", key, *data);
        }
 
-       return TTSD_ERROR_NONE;
+       return ret;
 }
 
-int ttsd_server_setting_get_engine_list(int uid, GList** engine_list)
+int ttsd_set_private_data_set_cb(ttse_private_data_set_cb callback)
 {
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
-       }
+       SLOG(LOG_DEBUG, tts_tag(), "[Server] Set private data set cb");
 
        int ret = 0;
-       ret = ttsd_engine_setting_get_engine_list(engine_list);
+       ret = ttsd_engine_agent_set_private_data_set_cb(callback);
        if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to get engine list : result(%d)", ret);
-               return ret;
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set private data set cb : ret(%d)", ret);
        }
 
-       return TTSD_ERROR_NONE;
+       return ret;
 }
 
-int ttsd_server_setting_get_current_engine(int uid, char** engine_id)
+int ttsd_set_private_data_requested_cb(ttse_private_data_requested_cb callback)
 {
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
-       }
+       SLOG(LOG_DEBUG, tts_tag(), "[Server] Set private data requested cb");
 
        int ret = 0;
-       ret = ttsd_engine_setting_get_engine(engine_id);
+       ret = ttsd_engine_agent_set_private_data_requested_cb(callback);
        if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] Fail to get current engine : result(%d) ", ret);
-               return ret;
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set private data requested cb : ret(%d)", ret);
        }
 
-       return TTSD_ERROR_NONE;
+       return ret;
 }
 
-int ttsd_server_setting_set_current_engine(int uid, const char* engine_id)
+int ttsd_server_play_pcm(int uid)
 {
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
+       app_tts_state_e state;
+       if (0 > ttsd_data_get_client_state(uid, &state)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid(%d) is NOT valid  ", uid);
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
-       if (true == ttsd_engine_agent_is_same_engine(engine_id)) {
-               SLOG(LOG_DEBUG, get_tag(), "[Server Setting] new engine is the same as current engine ");
+       if (APP_STATE_PLAYING == state) {
+               SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Current state(%d) is 'play' ", uid);
                return TTSD_ERROR_NONE;
        }
 
-       /* stop all player */ 
-       ttsd_player_all_stop();
+       int current_uid = ttsd_data_get_current_playing();
+       SLOG(LOG_INFO, tts_tag(), "[Server] playing uid (%d)", current_uid);
 
-       /* send interrupt message to  all clients */
-       ttsd_data_foreach_clients(__get_client_cb, NULL);
+       if (uid != current_uid && -1 != current_uid) {
+               if (TTSD_MODE_DEFAULT != ttsd_get_mode()) {
+                       /* Send interrupt message */
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] Old uid(%d) will be interrupted into 'Stop' state ", current_uid);
 
-       ttsd_engine_cancel_synthesis();
+                       /* pause player */
+                       if (0 != ttsd_server_stop(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to stop : uid (%d)", current_uid);
+                       }
+                       if (0 != ttsd_player_stop(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to player stop : uid (%d)", current_uid);
+                       }
 
-       /* set engine */
-       int ret = 0;
-       ret = ttsd_engine_setting_set_engine(engine_id);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to set current engine : result(%d) ", ret);
-               return ret;
-       }
+                       intptr_t pcurrent_uid = (intptr_t)current_uid;
+                       ecore_timer_add(0, __send_interrupt_client, (void*)pcurrent_uid);
+               } else {
+                       /* Default mode policy of interrupt is "Pause" */
 
-       return TTSD_ERROR_NONE;
-}
+                       /* Send interrupt message */
+                       SLOG(LOG_DEBUG, tts_tag(), "[Server] Old uid(%d) will be interrupted into 'Pause' state ", current_uid);
 
-int ttsd_server_setting_get_voice_list(int uid, char** engine_id, GList** voice_list)
-{
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
+                       /* pause player */
+                       if (0 != ttsd_player_pause(current_uid)) {
+                               SLOG(LOG_WARN, tts_tag(), "[Server ERROR] Fail to ttsd_player_pause() : uid (%d)", current_uid);
+                       }
+
+                       /* change state */
+                       ttsd_data_set_client_state(current_uid, APP_STATE_PAUSED);
+
+                       intptr_t pcurrent_uid = (intptr_t)current_uid;
+                       ecore_timer_add(0, __send_interrupt_client, (void*)pcurrent_uid);
+               }
        }
 
-       /* get language list from engine */
-       int ret = 0;
-       ret = ttsd_engine_setting_get_voice_list(engine_id, voice_list);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] Fail to get voice list : result(%d)", ret);
-               return ret;
+       /* Change current play */
+       if (0 != ttsd_data_set_client_state(uid, APP_STATE_PLAYING)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to set state : uid(%d)", uid);
+               return TTSD_ERROR_OPERATION_FAILED;
        }
 
-       return TTSD_ERROR_NONE;
-}
+       if (APP_STATE_PAUSED == state) {
+               SLOG(LOG_DEBUG, tts_tag(), "[Server] uid(%d) is 'Pause' state : resume player", uid);
 
-int ttsd_server_setting_get_default_voice(int uid, char** language, ttsp_voice_type_e* vctype)
-{
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
-       }
-       
-       int ret = 0;
-       ret = ttsd_engine_setting_get_default_voice(language, vctype);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] Fail to get default voice : result(%d) ", ret);
-               return ret;
-       }
+               /* Resume player */
+               if (0 != ttsd_player_resume(uid)) {
+                       SLOG(LOG_WARN, tts_tag(), "[Server WARNING] Fail to ttsd_player_resume()");
+               }
+       } else {
+               if (0 != ttsd_player_play_pcm(uid)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to play pcm sound : uid(%d)", uid);
 
-       return TTSD_ERROR_NONE;
-}
+                       // Change ready state
+                       ttsd_server_stop_pcm(uid);
 
-int ttsd_server_setting_set_default_voice(int uid, const char* language, int vctype)
-{
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
+                       int tmp_pid;
+                       tmp_pid = ttsd_data_get_pid(uid);
+                       ttsdc_send_set_state_message(tmp_pid, uid, APP_STATE_READY);
+               }
        }
 
-       /* set current language */
-       int ret = 0;
-       ret = ttsd_engine_setting_set_default_voice((const char*)language, (const ttsp_voice_type_e)vctype);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to set default voice : result(%d) ", ret);
-               return ret;
-       }       
-
        return TTSD_ERROR_NONE;
 }
 
-int ttsd_server_setting_get_engine_setting(int uid, char** engine_id, GList** engine_setting_list)
+int ttsd_server_stop_pcm(int uid)
 {
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
+       app_tts_state_e state;
+       if (0 > ttsd_data_get_client_state(uid, &state)) {
+               SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] uid is not valid");
                return TTSD_ERROR_INVALID_PARAMETER;
        }
 
-       int ret = 0;
-       ret = ttsd_engine_setting_get_engine_setting_info(engine_id, engine_setting_list);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to get engine setting info : result(%d)", ret);
-               return ret;
+       SLOG(LOG_INFO, tts_tag(), "[Server] server stop, state(%d)", state);
+
+       if (APP_STATE_PLAYING == state || APP_STATE_PAUSED == state || APP_STATE_READY == state) {
+               ttsd_data_set_client_state(uid, APP_STATE_READY);
        }
 
-       return TTSD_ERROR_NONE;
-}
+       /* Reset all data */
+       ttsd_data_clear_data(uid);
 
-int ttsd_server_setting_set_engine_setting(int uid, const char* key, const char* value)
-{
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
-       }
+       ttsd_player_stop(uid);
 
-       int ret = 0;
-       ret = ttsd_engine_setting_set_engine_setting(key, value);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to set engine setting info : result(%d)", ret);
-               return ret;
-       }
 
        return TTSD_ERROR_NONE;
 }
 
-int ttsd_server_setting_get_default_speed(int uid, int* default_speed)
+int ttsd_server_add_pcm(int uid, int event, void* data, int data_size, int audio_type, int rate)
 {
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
-       }
+       SLOG(LOG_DEBUG, tts_tag(), "@@@ ADD PCM");
 
-       /* get current speed */
-       int ret = 0;
-       ret = ttsd_engine_setting_get_default_speed((ttsp_speed_e*)default_speed);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to get default speed : result(%d)", ret);
-               return ret;
-       }       
+       int uttid = -1;
 
-       return TTSD_ERROR_NONE;
-}
+       /* Synthesis is success */
+       if (TTSE_RESULT_EVENT_START == event || TTSE_RESULT_EVENT_CONTINUE == event || TTSE_RESULT_EVENT_FINISH == event) {
+               if (TTSE_RESULT_EVENT_START == event) {
+                       SLOG(LOG_INFO, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_START");
+                       SECURE_SLOG(LOG_DEBUG, tts_tag(), "[SERVER] PCM Info : uid(%d), utt(%d), data(%p), data size(%d) audiotype(%d) rate(%d)", 
+                               uid, uttid, data, data_size, audio_type, rate);
+               } else if (TTSE_RESULT_EVENT_FINISH == event) {
+                       SLOG(LOG_INFO, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_FINISH");
+                       SECURE_SLOG(LOG_DEBUG, tts_tag(), "[SERVER] PCM Info : uid(%d), utt(%d), data(%p), data size(%d) audiotype(%d) rate(%d)", 
+                               uid, uttid, data, data_size, audio_type, rate);
+               } else {
+                       /*if (TTSE_RESULT_EVENT_CONTINUE == event)  SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_CONTINUE");*/
+               }
 
-int ttsd_server_setting_set_default_speed(int uid, int default_speed)
-{
-       /* check if uid is valid */
-       if (-1 == ttsd_setting_data_is_setting(uid)) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] uid is not valid  (%s)", uid);
-               return TTSD_ERROR_INVALID_PARAMETER;
+               if (rate <= 0 || audio_type < 0 || audio_type > TTSE_AUDIO_TYPE_MAX) {
+                       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] audio data is invalid");
+                       SLOG(LOG_DEBUG, tts_tag(), "@@@");
+                       return TTSD_ERROR_INVALID_PARAMETER;
+               }
+
+               /* add wav data */
+               sound_data_s* temp_sound_data = NULL;
+               temp_sound_data = (sound_data_s*)calloc(1, sizeof(sound_data_s));
+               if (NULL == temp_sound_data) {
+                       SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] Out of memory");
+                       return TTSD_ERROR_OUT_OF_MEMORY;
+               }
+
+               temp_sound_data->data = NULL;
+               temp_sound_data->rate = 0;
+               temp_sound_data->data_size = 0;
+
+               if (0 < data_size) {
+                       temp_sound_data->data = (char*)calloc(data_size + 5, sizeof(char));
+                       if (NULL != temp_sound_data->data) {
+                               memcpy(temp_sound_data->data, data, data_size);
+                               temp_sound_data->data_size = data_size;
+                               SLOG(LOG_INFO, tts_tag(), "[DEBUG][memcpy] uid(%d), event(%d) sound_data(%p) data(%p) size(%d)", 
+                                       uid, event, temp_sound_data, temp_sound_data->data, temp_sound_data->data_size);
+                       } else {
+                               SLOG(LOG_ERROR, tts_tag(), "Fail to allocate memory");
+                       }
+               } else {
+                       SLOG(LOG_ERROR, tts_tag(), "Sound data is NULL");
+               }
+
+               temp_sound_data->utt_id = uttid;
+               temp_sound_data->event = event;
+               temp_sound_data->audio_type = audio_type;
+               temp_sound_data->rate = rate;
+
+               if (0 != ttsd_data_add_sound_data(uid, temp_sound_data)) {
+                       SECURE_SLOG(LOG_ERROR, tts_tag(), "[SERVER ERROR] Fail to add sound data : uid(%d)", uid);
+
+                       if (NULL != temp_sound_data->data) {
+                               free(temp_sound_data->data);
+                               temp_sound_data->data = NULL;
+                       }
+
+                       free(temp_sound_data);
+                       temp_sound_data = NULL;
+               }
+
+/*             if (0 != ttsd_player_play(uid)) {
+                       SLOG(LOG_ERROR, tts_tag(), "[Server ERROR] Fail to play sound : uid(%d)", uid);
+
+                       // Change ready state
+                       ttsd_server_stop(uid);
+
+                       int tmp_pid;
+                       tmp_pid = ttsd_data_get_pid(uid);
+                       ttsdc_send_set_state_message(tmp_pid, uid, APP_STATE_READY);
+               }
+*/
+       } else {
+               SLOG(LOG_DEBUG, tts_tag(), "[SERVER] Event : TTSE_RESULT_EVENT_ERROR");
        }
 
-       /* set default speed */
-       int ret = 0;
-       ret = ttsd_engine_setting_set_default_speed((ttsp_speed_e)default_speed);
-       if (0 != ret) {
-               SLOG(LOG_ERROR, get_tag(), "[Server Setting ERROR] fail to set default speed : result(%d)", ret);
-               return ret;
-       }       
+       SLOG(LOG_DEBUG, tts_tag(), "@@@");
 
        return TTSD_ERROR_NONE;
 }