bt-core/bt-core-main.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <vconf.h>
  19 #include <vconf-keys.h>
  20
  21 #include "bt-core-adapter.h"
  22 #include "bt-core-dbus-handler.h"
  23 #include "bt-core-main.h"
  24 #include "bt-core-noti-handler.h"
  25 #include "bt-core-common.h"
  26
  27 static GMainLoop *main_loop = NULL;
  28
  29 gboolean _bt_check_terminating_condition(void)
  30 {
  31         int bt_off_flight_mode = 0;     /* if BT was off due to FlightMode*/
  32         int bt_off_ps_mode = 0;
  33
  34         if (_bt_core_is_recovery_mode() == TRUE) {
  35                 BT_DBG("Bt core not terminated");
  36                 return FALSE;
  37         }
  38
  39         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &bt_off_flight_mode) != 0)
  40                 BT_ERR("Fail to get the BT off due to FlightMode value");
  41         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &bt_off_ps_mode) != 0)
  42                 BT_ERR("Fail to get the ps_mode_deactivated value");
  43
  44         if (bt_off_flight_mode == 1 || bt_off_ps_mode == 1) {
  45                 BT_DBG("Bt core not terminated");
  46                 return FALSE;
  47         }
  48
  49         return TRUE;
  50 }
  51
  52 void _bt_core_terminate(void)
  53 {
  54         if (_bt_check_terminating_condition() == FALSE)
  55                 return;
  56
  57         _bt_core_gdbus_deinit_proxys();
  58         _bt_core_unregister_vconf_handler();
  59         if (main_loop) {
  60                 g_main_loop_quit(main_loop);
  61         } else {
  62                 BT_DBG("Terminating bt-core daemon");
  63                 exit(0);
  64         }
  65 }
  66
  67 static void __bt_core_sigterm_handler(int signo)
  68 {
  69         BT_DBG("Got the signal: %d", signo);
  70
  71         _bt_core_terminate();
  72 }
  73
  74 static gboolean __bt_check_bt_core(void *data)
  75 {
  76         int bt_status = VCONFKEY_BT_STATUS_OFF;
  77         int bt_le_status = VCONFKEY_BT_LE_STATUS_OFF;
  78         bt_status_t status = BT_DEACTIVATED;
  79         bt_le_status_t le_status = BT_LE_DEACTIVATED;
  80         int flight_mode_deactivation = 0;
  81         int bt_off_due_to_timeout = 0;
  82         int ps_mode_deactivation = 0;
  83
  84         status = _bt_core_get_status();
  85         le_status = _bt_core_get_le_status();
  86         BT_DBG("State: %d, LE State: %d", status, le_status);
  87
  88         if (vconf_get_int(VCONFKEY_BT_STATUS, &bt_status) < 0)
  89                 BT_DBG("no bluetooth device info, so BT was disabled at previous session");
  90
  91 #ifdef ENABLE_TIZEN_2_4
  92         if (vconf_get_int(VCONFKEY_BT_LE_STATUS, &bt_le_status) < 0)
  93                 BT_ERR("no bluetooth le info, so BT LE was disabled at previous session");
  94 #endif
  95
  96         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &flight_mode_deactivation) != 0)
  97                 BT_ERR("Fail to get the flight_mode_deactivation value");
  98
  99         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &ps_mode_deactivation) != 0)
 100                 BT_ERR("Fail to get the ps_mode_deactivation value");
 101
 102         if (vconf_get_int(BT_OFF_DUE_TO_TIMEOUT, &bt_off_due_to_timeout) != 0)
 103                 BT_ERR("Fail to get BT_OFF_DUE_TO_TIMEOUT");
 104
 105         if ((bt_status != VCONFKEY_BT_STATUS_OFF || bt_off_due_to_timeout) &&
 106                 (status == BT_DEACTIVATED)) {
 107                 BT_DBG("Previous session was enabled.");
 108
 109                 /* Enable the BT */
 110                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER);
 111                 if (!TIZEN_FEATURE_BT_USB_DONGLE)
 112                         _bt_enable_adapter();
 113         } else if (bt_status == VCONFKEY_BT_STATUS_OFF &&
 114                         (flight_mode_deactivation == 1 || ps_mode_deactivation > 0)) {
 115                 _bt_core_handle_flight_mode_noti();
 116                 _bt_core_handle_power_saving_mode_noti();
 117
 118                 _bt_core_set_bt_status(BT_FLIGHT_MODE, flight_mode_deactivation);
 119                 _bt_core_set_bt_status(BT_POWER_SAVING_MODE, ps_mode_deactivation);
 120         }
 121
 122         if ((bt_le_status == VCONFKEY_BT_LE_STATUS_ON) && (le_status == BT_LE_DEACTIVATED)) {
 123                 BT_DBG("Previous session was le enabled. Turn BT LE on automatically.");
 124
 125                 /* Enable the BT LE */
 126                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER_LE);
 127                 if (!TIZEN_FEATURE_BT_USB_DONGLE)
 128                         _bt_enable_adapter_le();
 129         } else {
 130                 status = _bt_core_get_status();
 131                 le_status = _bt_core_get_le_status();
 132                 BT_DBG("State: %d, LE State: %d", status, le_status);
 133
 134                 if ((status != BT_ACTIVATING && status != BT_ACTIVATED) &&
 135                                 (le_status != BT_LE_ACTIVATING && le_status != BT_LE_ACTIVATED))
 136                         _bt_core_terminate();
 137         }
 138
 139         return FALSE;
 140 }
 141
 142 int main(void)
 143 {
 144         gboolean ret;
 145         struct sigaction sa;
 146
 147         BT_INFO_C("Starting bt-core daemeon");
 148
 149         _bt_core_update_status();
 150
 151         ret = _bt_core_register_dbus();
 152         if (!ret) {
 153                 BT_ERR("_bt_core_register_dbus failed");
 154                 goto fail;
 155         }
 156
 157
 158         memset(&sa, 0, sizeof(sa));
 159         sa.sa_handler = __bt_core_sigterm_handler;
 160         sigaction(SIGINT, &sa, NULL);
 161         sigaction(SIGTERM, &sa, NULL);
 162
 163         g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 164
 165         main_loop = g_main_loop_new(NULL, FALSE);
 166         if (!main_loop) {
 167                 BT_ERR("creating main loop failed");
 168                 goto fail;
 169         }
 170
 171         g_main_loop_run(main_loop);
 172
 173 fail:
 174         _bt_core_unregister_dbus();
 175
 176         if (main_loop)
 177                 g_main_loop_unref(main_loop);
 178
 179         BT_INFO_C("Terminating bt-core daemon");
 180
 181         return 0;
 182 }