bt-core/bt-core-main.c

   1 /*
   2  * Bluetooth-frwk
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:  Hocheol Seo <hocheol.seo@samsung.com>
   7  *               Girishashok Joshi <girish.joshi@samsung.com>
   8  *               Chanyeol Park <chanyeol.park@samsung.com>
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *              http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  *
  22  */
  23
  24 #include <vconf.h>
  25 #include <vconf-keys.h>
  26
  27 #include "bt-core-adapter.h"
  28 #include "bt-core-dbus-handler.h"
  29 #include "bt-core-main.h"
  30 #include "bt-core-noti-handler.h"
  31 #include "bt-core-common.h"
  32
  33 static GMainLoop *main_loop = NULL;
  34
  35 gboolean _bt_check_terminating_condition(void)
  36 {
  37         int bt_off_flight_mode = 0;     /* if BT was off due to FlightMode*/
  38         int bt_off_ps_mode = 0;
  39
  40         if (_bt_core_is_recovery_mode() == TRUE) {
  41                 BT_DBG("Bt core not terminated");
  42                 return FALSE;
  43         }
  44
  45         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &bt_off_flight_mode) != 0)
  46                 BT_ERR("Fail to get the BT off due to FlightMode value");
  47         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &bt_off_ps_mode) != 0)
  48                 BT_ERR("Fail to get the ps_mode_deactivated value");
  49
  50         if (bt_off_flight_mode == 1 || bt_off_ps_mode == 1) {
  51                 BT_DBG("Bt core not terminated");
  52                 return FALSE;
  53         }
  54
  55         return TRUE;
  56 }
  57
  58 void _bt_core_terminate(void)
  59 {
  60         if (_bt_check_terminating_condition() == FALSE)
  61                 return;
  62
  63         _bt_core_gdbus_deinit_proxys();
  64         _bt_core_unregister_vconf_handler();
  65         if (main_loop) {
  66                 g_main_loop_quit(main_loop);
  67         } else {
  68                 BT_DBG("Terminating bt-core daemon");
  69                 exit(0);
  70         }
  71 }
  72
  73 static void __bt_core_sigterm_handler(int signo)
  74 {
  75         BT_DBG("Got the signal: %d", signo);
  76
  77         _bt_core_terminate();
  78 }
  79
  80 static gboolean __bt_check_bt_core(void *data)
  81 {
  82         int bt_status = VCONFKEY_BT_STATUS_OFF;
  83         int bt_le_status = VCONFKEY_BT_LE_STATUS_OFF;
  84         bt_status_t status = BT_DEACTIVATED;
  85         bt_le_status_t le_status = BT_LE_DEACTIVATED;
  86         int flight_mode_deactivation = 0;
  87         int bt_off_due_to_timeout = 0;
  88         int ps_mode_deactivation = 0;
  89         int ret;
  90
  91         status = _bt_core_get_status();
  92         le_status = _bt_core_get_le_status();
  93         BT_DBG("State: %d, LE State: %d", status, le_status);
  94
  95         if (vconf_get_int(VCONFKEY_BT_STATUS, &bt_status) < 0) {
  96                 BT_DBG("no bluetooth device info, so BT was disabled at previous session");
  97         }
  98
  99 #ifdef ENABLE_TIZEN_2_4
 100         if (vconf_get_int(VCONFKEY_BT_LE_STATUS, &bt_le_status) < 0) {
 101                 BT_ERR("no bluetooth le info, so BT LE was disabled at previous session");
 102         }
 103 #endif
 104
 105         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &flight_mode_deactivation) != 0)
 106                 BT_ERR("Fail to get the flight_mode_deactivation value");
 107
 108         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &ps_mode_deactivation) != 0)
 109                 BT_ERR("Fail to get the ps_mode_deactivation value");
 110
 111         if (vconf_get_int(BT_OFF_DUE_TO_TIMEOUT, &bt_off_due_to_timeout) != 0)
 112                 BT_ERR("Fail to get BT_OFF_DUE_TO_TIMEOUT");
 113
 114         if ((bt_status != VCONFKEY_BT_STATUS_OFF || bt_off_due_to_timeout) &&
 115                 (status == BT_DEACTIVATED)) {
 116                 BT_DBG("Previous session was enabled.");
 117
 118                 /* Enable the BT */
 119                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER);
 120 #ifndef USB_BLUETOOTH
 121                 _bt_enable_adapter();
 122 #endif
 123         } else if (bt_status == VCONFKEY_BT_STATUS_OFF &&
 124                         (flight_mode_deactivation == 1 || ps_mode_deactivation > 0)) {
 125                 _bt_core_handle_flight_mode_noti();
 126                 _bt_core_handle_power_saving_mode_noti();
 127
 128                 _bt_core_set_bt_status(BT_FLIGHT_MODE, flight_mode_deactivation);
 129                 _bt_core_set_bt_status(BT_POWER_SAVING_MODE, ps_mode_deactivation);
 130         }
 131
 132         if ((bt_le_status == VCONFKEY_BT_LE_STATUS_ON) && (le_status == BT_LE_DEACTIVATED)) {
 133                 BT_DBG("Previous session was le enabled. Turn BT LE on automatically.");
 134
 135                 /* Enable the BT LE */
 136                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER_LE);
 137 #ifndef USB_BLUETOOTH
 138                 _bt_enable_adapter_le();
 139 #endif
 140         } else {
 141                 status = _bt_core_get_status();
 142                 le_status = _bt_core_get_le_status();
 143                 BT_DBG("State: %d, LE State: %d", status, le_status);
 144
 145                 if ((status != BT_ACTIVATING && status != BT_ACTIVATED) &&
 146                                 (le_status != BT_LE_ACTIVATING && le_status != BT_LE_ACTIVATED))
 147                         _bt_core_terminate();
 148         }
 149
 150         return FALSE;
 151 }
 152
 153 int main(void)
 154 {
 155         gboolean ret;
 156         struct sigaction sa;
 157
 158         g_type_init();
 159         BT_INFO_C("Starting bt-core daemeon");
 160
 161         _bt_core_update_status();
 162
 163         ret = _bt_core_register_dbus();
 164         if (!ret) {
 165                 BT_ERR("_bt_core_register_dbus failed");
 166                 goto fail;
 167         }
 168
 169
 170         memset(&sa, 0, sizeof(sa));
 171         sa.sa_handler = __bt_core_sigterm_handler;
 172         sigaction(SIGINT, &sa, NULL);
 173         sigaction(SIGTERM, &sa, NULL);
 174
 175         g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 176
 177         main_loop = g_main_loop_new(NULL, FALSE);
 178         if (!main_loop) {
 179                 BT_ERR("creating main loop failed");
 180                 goto fail;
 181         }
 182
 183         g_main_loop_run(main_loop);
 184
 185 fail:
 186         _bt_core_unregister_dbus();
 187
 188         if (main_loop)
 189                 g_main_loop_unref(main_loop);
 190
 191         BT_INFO_C("Terminating bt-core daemon");
 192
 193         return 0;
 194 }