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                 _bt_enable_adapter();
 120         } else if (bt_status == VCONFKEY_BT_STATUS_OFF &&
 121                         (flight_mode_deactivation == 1 || ps_mode_deactivation > 0)) {
 122                 _bt_core_handle_flight_mode_noti();
 123                 _bt_core_handle_power_saving_mode_noti();
 124
 125                 _bt_core_set_bt_status(BT_FLIGHT_MODE, flight_mode_deactivation);
 126                 _bt_core_set_bt_status(BT_POWER_SAVING_MODE, ps_mode_deactivation);
 127         }
 128
 129         if ((bt_le_status == 1) && (le_status == BT_LE_DEACTIVATED)) {
 130                 BT_DBG("Previous session was le enabled. Turn BT LE on automatically.");
 131
 132                 /* Enable the BT LE */
 133                 _bt_core_service_request_adapter(BT_ENABLE_ADAPTER_LE);
 134                 _bt_enable_adapter_le();
 135         } else {
 136                 status = _bt_core_get_status();
 137                 le_status = _bt_core_get_le_status();
 138                 BT_DBG("State: %d, LE State: %d", status, le_status);
 139
 140                 if ((status != BT_ACTIVATING && status != BT_ACTIVATED) &&
 141                                 (le_status != BT_LE_ACTIVATING && le_status != BT_LE_ACTIVATED))
 142                         _bt_core_terminate();
 143         }
 144
 145         return FALSE;
 146 }
 147
 148 int main(void)
 149 {
 150         DBusGConnection *conn = NULL;
 151         GError *error = NULL;
 152         BtCore *bt_core = NULL;
 153
 154         DBusGProxy *dbus_proxy = NULL;
 155         struct sigaction sa;
 156
 157         g_type_init();
 158         BT_INFO_C("Starting bt-core daemeon");
 159
 160         conn = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
 161         if (error != NULL) {
 162                 BT_ERR("ERROR: Can't get on system bus [%s]", error->message);
 163                 g_error_free(error);
 164                 goto fail;
 165         }
 166
 167         bt_core = g_object_new(BT_CORE_TYPE, NULL);
 168
 169         dbus_proxy = _bt_core_register_event_filter(conn, bt_core);
 170         if (!dbus_proxy) {
 171                 BT_ERR("__bt_core_register_event_filter failed");
 172                 g_object_unref(bt_core);
 173                 bt_core = NULL;
 174                 goto fail;
 175         }
 176
 177
 178         memset(&sa, 0, sizeof(sa));
 179         sa.sa_handler = __bt_core_sigterm_handler;
 180         sigaction(SIGINT, &sa, NULL);
 181         sigaction(SIGTERM, &sa, NULL);
 182
 183         g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 184
 185         main_loop = g_main_loop_new(NULL, FALSE);
 186
 187         g_main_loop_run(main_loop);
 188
 189 fail:
 190
 191         _bt_unregister_event_filter(conn, bt_core, dbus_proxy);
 192
 193         if (main_loop)
 194                 g_main_loop_unref(main_loop);
 195
 196         dbus_g_connection_unref(conn);
 197
 198         BT_INFO_C("Terminating bt-core daemon");
 199
 200         return 0;
 201 }