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 = 0;
  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
  90         status = _bt_core_get_status();
  91         le_status = _bt_core_get_le_status();
  92         BT_DBG("State: %d, LE State: %d", status, le_status);
  93
  94         if (vconf_get_int(VCONFKEY_BT_STATUS, &bt_status) < 0) {
  95                 BT_DBG("no bluetooth device info, so BT was disabled at previous session");
  96         }
  97
  98 #ifdef ENABLE_TIZEN_2_4
  99         if (vconf_get_int(VCONFKEY_BT_LE_STATUS, &bt_le_status) < 0) {
 100                 BT_ERR("no bluetooth le info, so BT LE was disabled at previous session");
 101         }
 102 #endif
 103
 104         if (vconf_get_int(BT_OFF_DUE_TO_FLIGHT_MODE, &flight_mode_deactivation) != 0)
 105                 BT_ERR("Fail to get the flight_mode_deactivation value");
 106
 107         if (vconf_get_int(BT_OFF_DUE_TO_POWER_SAVING_MODE, &ps_mode_deactivation) != 0)
 108                 BT_ERR("Fail to get the ps_mode_deactivation value");
 109
 110         if (vconf_get_int(BT_OFF_DUE_TO_TIMEOUT, &bt_off_due_to_timeout) != 0)
 111                 BT_ERR("Fail to get BT_OFF_DUE_TO_TIMEOUT");
 112
 113         if ((bt_status != VCONFKEY_BT_STATUS_OFF || bt_off_due_to_timeout) &&
 114                 (status == BT_DEACTIVATED)) {
 115                 BT_DBG("Previous session was enabled.");
 116
 117                 /* Enable the BT */
 118                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER);
 119 #ifndef USB_BLUETOOTH
 120                 _bt_enable_adapter();
 121 #endif
 122         } else if (bt_status == VCONFKEY_BT_STATUS_OFF &&
 123                         (flight_mode_deactivation == 1 || ps_mode_deactivation > 0)) {
 124                 _bt_core_handle_flight_mode_noti();
 125                 _bt_core_handle_power_saving_mode_noti();
 126
 127                 _bt_core_set_bt_status(BT_FLIGHT_MODE, flight_mode_deactivation);
 128                 _bt_core_set_bt_status(BT_POWER_SAVING_MODE, ps_mode_deactivation);
 129         }
 130
 131         if ((bt_le_status == 1) && (le_status == BT_LE_DEACTIVATED)) {
 132                 BT_DBG("Previous session was le enabled. Turn BT LE on automatically.");
 133
 134                 /* Enable the BT LE */
 135                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER_LE);
 136 #ifndef USB_BLUETOOTH
 137                 _bt_enable_adapter_le();
 138 #endif
 139         } else {
 140                 status = _bt_core_get_status();
 141                 le_status = _bt_core_get_le_status();
 142                 BT_DBG("State: %d, LE State: %d", status, le_status);
 143
 144                 if ((status != BT_ACTIVATING && status != BT_ACTIVATED) &&
 145                                 (le_status != BT_LE_ACTIVATING && le_status != BT_LE_ACTIVATED))
 146                         _bt_core_terminate();
 147         }
 148
 149         return FALSE;
 150 }
 151
 152 int main(void)
 153 {
 154         gboolean ret;
 155         struct sigaction sa;
 156
 157         g_type_init();
 158         BT_INFO_C("Starting bt-core daemeon");
 159
 160         ret = _bt_core_register_dbus();
 161         if (!ret) {
 162                 BT_ERR("_bt_core_register_dbus failed");
 163                 goto fail;
 164         }
 165
 166
 167         memset(&sa, 0, sizeof(sa));
 168         sa.sa_handler = __bt_core_sigterm_handler;
 169         sigaction(SIGINT, &sa, NULL);
 170         sigaction(SIGTERM, &sa, NULL);
 171
 172         g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 173
 174         main_loop = g_main_loop_new(NULL, FALSE);
 175         if (!main_loop) {
 176                 BT_ERR("creating main loop failed");
 177                 goto fail;
 178         }
 179
 180         g_main_loop_run(main_loop);
 181
 182 fail:
 183         _bt_core_unregister_dbus();
 184
 185         if (main_loop)
 186                 g_main_loop_unref(main_loop);
 187
 188         BT_INFO_C("Terminating bt-core daemon");
 189
 190         return 0;
 191 }