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         int ret;
  84
  85         status = _bt_core_get_status();
  86         le_status = _bt_core_get_le_status();
  87         BT_DBG("State: %d, LE State: %d", status, le_status);
  88
  89         if (vconf_get_int(VCONFKEY_BT_STATUS, &bt_status) < 0) {
  90                 BT_DBG("no bluetooth device info, so BT was disabled at previous session");
  91         }
  92
  93 #ifdef ENABLE_TIZEN_2_4
  94         if (vconf_get_int(VCONFKEY_BT_LE_STATUS, &bt_le_status) < 0) {
  95                 BT_ERR("no bluetooth le info, so BT LE was disabled at previous session");
  96         }
  97 #endif
  98
  99         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &flight_mode_deactivation) != 0)
 100                 BT_ERR("Fail to get the flight_mode_deactivation value");
 101
 102         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &ps_mode_deactivation) != 0)
 103                 BT_ERR("Fail to get the ps_mode_deactivation value");
 104
 105         if (vconf_get_int(BT_OFF_DUE_TO_TIMEOUT, &bt_off_due_to_timeout) != 0)
 106                 BT_ERR("Fail to get BT_OFF_DUE_TO_TIMEOUT");
 107
 108         if ((bt_status != VCONFKEY_BT_STATUS_OFF || bt_off_due_to_timeout) &&
 109                 (status == BT_DEACTIVATED)) {
 110                 BT_DBG("Previous session was enabled.");
 111
 112                 /* Enable the BT */
 113                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER);
 114 #ifndef USB_BLUETOOTH
 115                 _bt_enable_adapter();
 116 #endif
 117         } else if (bt_status == VCONFKEY_BT_STATUS_OFF &&
 118                         (flight_mode_deactivation == 1 || ps_mode_deactivation > 0)) {
 119                 _bt_core_handle_flight_mode_noti();
 120                 _bt_core_handle_power_saving_mode_noti();
 121
 122                 _bt_core_set_bt_status(BT_FLIGHT_MODE, flight_mode_deactivation);
 123                 _bt_core_set_bt_status(BT_POWER_SAVING_MODE, ps_mode_deactivation);
 124         }
 125
 126         if ((bt_le_status == VCONFKEY_BT_LE_STATUS_ON) && (le_status == BT_LE_DEACTIVATED)) {
 127                 BT_DBG("Previous session was le enabled. Turn BT LE on automatically.");
 128
 129                 /* Enable the BT LE */
 130                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER_LE);
 131 #ifndef USB_BLUETOOTH
 132                 _bt_enable_adapter_le();
 133 #endif
 134         } else {
 135                 status = _bt_core_get_status();
 136                 le_status = _bt_core_get_le_status();
 137                 BT_DBG("State: %d, LE State: %d", status, le_status);
 138
 139                 if ((status != BT_ACTIVATING && status != BT_ACTIVATED) &&
 140                                 (le_status != BT_LE_ACTIVATING && le_status != BT_LE_ACTIVATED))
 141                         _bt_core_terminate();
 142         }
 143
 144         return FALSE;
 145 }
 146
 147 int main(void)
 148 {
 149         gboolean ret;
 150         struct sigaction sa;
 151
 152         g_type_init();
 153         BT_INFO_C("Starting bt-core daemeon");
 154
 155         _bt_core_update_status();
 156
 157         ret = _bt_core_register_dbus();
 158         if (!ret) {
 159                 BT_ERR("_bt_core_register_dbus failed");
 160                 goto fail;
 161         }
 162
 163
 164         memset(&sa, 0, sizeof(sa));
 165         sa.sa_handler = __bt_core_sigterm_handler;
 166         sigaction(SIGINT, &sa, NULL);
 167         sigaction(SIGTERM, &sa, NULL);
 168
 169         g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 170
 171         main_loop = g_main_loop_new(NULL, FALSE);
 172         if (!main_loop) {
 173                 BT_ERR("creating main loop failed");
 174                 goto fail;
 175         }
 176
 177         g_main_loop_run(main_loop);
 178
 179 fail:
 180         _bt_core_unregister_dbus();
 181
 182         if (main_loop)
 183                 g_main_loop_unref(main_loop);
 184
 185         BT_INFO_C("Terminating bt-core daemon");
 186
 187         return 0;
 188 }