geofence-server/src/geofence_server_bluetooth.c

   1 /* Copyright 2014 Samsung Electronics Co., Ltd All Rights Reserved
   2  *
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at
   6  *
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <stdlib.h>
  17 #include <glib.h>
  18
  19 #include "geofence_server.h"
  20 #include "server.h"
  21 #include "debug_util.h"
  22 #include "geofence_server_log.h"
  23 #include "geofence_server_private.h"
  24 #include "geofence_server_internal.h"
  25 #include "geofence_server_db.h"
  26
  27 static int connectedFence = -1;
  28 static gboolean __geofence_check_fence_status(int fence_status, GeofenceItemData *item_data)
  29 {
  30         FUNC_ENTRANCE_SERVER
  31         gboolean ret = FALSE;
  32
  33         if (fence_status != item_data->common_info.status) {
  34                 LOGD_GEOFENCE("Fence status changed. %d -> %d", item_data->common_info.status, fence_status);
  35                 ret = TRUE;
  36                 item_data->common_info.status = fence_status;   /*update status*/
  37         }
  38         return ret;
  39 }
  40
  41 static bool __check_for_match(char *str1, char *str2)
  42 {
  43         if (g_strrstr(str1, str2) == NULL)
  44                 return false;
  45         return true;
  46 }
  47
  48 static void bt_le_scan_result_cb(int result, bt_adapter_le_device_scan_result_info_s *info, void *user_data)
  49 {
  50         int ret = BT_ERROR_NONE;
  51         GeofenceServer *geofence_server = (GeofenceServer *) user_data;
  52         LOGI_GEOFENCE("Current addresses: %s", geofence_server->ble_info);
  53
  54         if (info == NULL) {
  55                 LOGI_GEOFENCE("Stopping scan as there is no BLE address found");
  56                 ret = bt_adapter_le_stop_scan();
  57                 if (ret != BT_ERROR_NONE)
  58                         LOGE_GEOFENCE("Unable to stop the BLE scan, error: %d", ret);
  59                 return;
  60         }
  61         LOGI_GEOFENCE("Received address: %s", info->remote_address);
  62
  63         if (!g_ascii_strcasecmp(geofence_server->ble_info, "")) {
  64                 g_stpcpy(geofence_server->ble_info, info->remote_address);
  65         } else if (!__check_for_match(geofence_server->ble_info, info->remote_address)) { /* If duplicate does not exist */
  66                 char *p = g_strjoin(";", geofence_server->ble_info, info->remote_address, NULL);
  67                 g_stpcpy(geofence_server->ble_info, p);
  68                 g_free(p);
  69         } else {
  70                 LOGI_GEOFENCE("Stopping scan. Address: %s already exist in the string %s", info->remote_address, geofence_server->ble_info);
  71                 ret = bt_adapter_le_stop_scan();
  72                 if (ret != BT_ERROR_NONE)
  73                         LOGE_GEOFENCE("Unable to stop the BLE scan, error: %d", ret);
  74                 /* Add the string to the database. */
  75                 if (connectedFence != -1)
  76                         geofence_manager_set_ble_info_to_geofence(connectedFence, geofence_server->ble_info);
  77         }
  78 }
  79
  80 static void emit_bt_geofence_proximity_changed(GeofenceServer *geofence_server, int fence_id, int fence_proximity_status)
  81 {
  82         FUNC_ENTRANCE_SERVER
  83         LOGD_GEOFENCE("emit_bt_geofence_proximity_changed");
  84         char *app_id = NULL;
  85         int ret = FENCE_ERR_NONE;
  86
  87         ret = geofence_manager_get_appid_from_geofence(fence_id, &app_id);
  88         if (ret != FENCE_ERR_NONE) {
  89                 LOGE("Error getting the app_id for fence id[%d]", fence_id);
  90                 return;
  91         }
  92         GeofenceItemData *item_data = __get_item_by_fence_id(fence_id, geofence_server);
  93         if (item_data == NULL) {
  94                 LOGD_GEOFENCE("getting item data failed. fence_id [%d]", fence_id);
  95                 g_free(app_id);
  96                 return;
  97         }
  98
  99         if (fence_proximity_status != item_data->common_info.proximity_status) {
 100                 geofence_dbus_server_send_geofence_proximity_changed(geofence_server->geofence_dbus_server, app_id, fence_id, item_data->common_info.access_type, fence_proximity_status, GEOFENCE_PROXIMITY_PROVIDER_BLUETOOTH);
 101                 if (fence_proximity_status == GEOFENCE_PROXIMITY_NEAR) {
 102                         LOGD_GEOFENCE("BT Fence. Scanning for BLE and storing in DB");
 103                         g_stpcpy(geofence_server->ble_info, "");
 104                         ret = bt_adapter_le_start_scan(bt_le_scan_result_cb, geofence_server);
 105                         if (ret != BT_ERROR_NONE)
 106                                 LOGE_GEOFENCE("Fail to start ble scan. %d", ret);
 107                 }
 108                 item_data->common_info.proximity_status = fence_proximity_status;
 109         }
 110         g_free(app_id);
 111 }
 112
 113
 114 static void emit_bt_geofence_inout_changed(GeofenceServer *geofence_server, GeofenceItemData *item_data, int fence_status)
 115 {
 116         FUNC_ENTRANCE_SERVER
 117         char *app_id = (char *)g_malloc0(sizeof(char) *APP_ID_LEN);
 118         g_strlcpy(app_id, item_data->common_info.appid, APP_ID_LEN);
 119         if (app_id == NULL) {
 120                 LOGD_GEOFENCE("get app_id failed. fence_id [%d]", item_data->common_info.fence_id);
 121                 return;
 122         }
 123
 124         if (fence_status == GEOFENCE_FENCE_STATE_IN)
 125                 geofence_dbus_server_send_geofence_inout_changed(geofence_server->geofence_dbus_server, app_id, item_data->common_info.fence_id, item_data->common_info.access_type, GEOFENCE_EMIT_STATE_IN);
 126         else if (fence_status == GEOFENCE_FENCE_STATE_OUT)
 127                 geofence_dbus_server_send_geofence_inout_changed(geofence_server->geofence_dbus_server, app_id, item_data->common_info.fence_id, item_data->common_info.access_type, GEOFENCE_EMIT_STATE_OUT);
 128
 129         if (item_data->client_status == GEOFENCE_CLIENT_STATUS_START)
 130                 item_data->client_status = GEOFENCE_CLIENT_STATUS_RUNNING;
 131
 132         if (app_id)
 133                 g_free(app_id);
 134 }
 135
 136 static void __geofence_check_bt_fence_type(gboolean connected, const char *bssid, void *data)
 137 {
 138         FUNC_ENTRANCE_SERVER
 139         GeofenceServer *geofence_server = (GeofenceServer *)data;
 140         g_return_if_fail(geofence_server);
 141         g_return_if_fail(bssid);
 142
 143         int fence_id = 0;
 144         geofence_type_e fence_type;
 145         GeofenceItemData *item_data = NULL;
 146         bssid_info_s *bt_info_from_db = NULL;
 147         bssid_info_s *bt_info_from_list = NULL;
 148
 149         GList *fence_list = g_list_first(geofence_server->tracking_list);
 150
 151         for (; fence_list != NULL; fence_list = g_list_next(fence_list)) {
 152                 int ret = FENCE_ERR_NONE;
 153                 item_data = NULL;
 154                 fence_id = GPOINTER_TO_INT(fence_list->data);
 155                 item_data = __get_item_by_fence_id(fence_id, geofence_server);
 156
 157                 if (item_data == NULL)
 158                         continue;
 159
 160                 fence_type = item_data->common_info.type;
 161
 162                 if (fence_type != GEOFENCE_TYPE_BT)
 163                         continue;
 164
 165                 bt_info_from_list = (bssid_info_s *) item_data->priv;
 166
 167                 if (bt_info_from_list == NULL || bt_info_from_list->enabled == FALSE)
 168                         continue;
 169
 170                 ret = geofence_manager_get_bssid_info(fence_id, &bt_info_from_db);
 171
 172                 if (bt_info_from_db == NULL) {
 173                         LOGD_GEOFENCE("Failed to get bt_info. Fence Id[%d], Error[%d]", fence_id, ret);
 174                         continue;
 175                 }
 176                 LOGD_GEOFENCE("bt_info->bssid [%s]", bt_info_from_db->bssid);
 177
 178                 if (!g_ascii_strcasecmp(bt_info_from_db->bssid, bssid) || !g_ascii_strcasecmp(g_strdelimit(bt_info_from_db->bssid, "-", ':'), bssid)) {
 179                         if (connected) {        /* connected => FENCE_IN*/
 180                                 if (__geofence_check_fence_status(GEOFENCE_FENCE_STATE_IN, item_data) == TRUE) {
 181                                         LOGD_GEOFENCE("Emitted to fence_id [%d] GEOFENCE_FENCE_STATE_IN", fence_id);
 182                                         connectedFence = fence_id;
 183                                         emit_bt_geofence_inout_changed(geofence_server, item_data, GEOFENCE_FENCE_STATE_IN);
 184                                         emit_bt_geofence_proximity_changed(geofence_server, fence_id, GEOFENCE_PROXIMITY_NEAR);
 185                                 }
 186                         } else {        /* disconnected => FENCE_OUT*/
 187                                 if (__geofence_check_fence_status(GEOFENCE_FENCE_STATE_OUT, item_data) == TRUE) {
 188                                         LOGD_GEOFENCE("Emitted to fence_id [%d] GEOFENCE_FENCE_STATE_OUT", fence_id);
 189                                         connectedFence = -1;
 190                                         emit_bt_geofence_inout_changed(geofence_server, item_data, GEOFENCE_FENCE_STATE_OUT);
 191                                         emit_bt_geofence_proximity_changed(geofence_server, fence_id, GEOFENCE_PROXIMITY_UNCERTAIN);
 192                                 }
 193                         }
 194                 }
 195                 g_slice_free(bssid_info_s, bt_info_from_db);
 196                 bt_info_from_db = NULL;
 197                 bt_info_from_list = NULL;
 198         }
 199         LOGD_GEOFENCE("exit");
 200 }
 201
 202 void bt_conn_state_changed(gboolean connected, bt_device_connection_info_s *conn_info, void *user_data)
 203 {
 204         FUNC_ENTRANCE_SERVER
 205         GeofenceServer *geofence_server = (GeofenceServer *) user_data;
 206         g_return_if_fail(geofence_server);
 207         g_return_if_fail(conn_info);
 208
 209         if (connected == true) {
 210                 if (conn_info->remote_address == NULL) {
 211                         LOGD_GEOFENCE("Bluetooth device connected, but remote_address not exist.");
 212                 } else {
 213                         LOGD_GEOFENCE("Bluetooth device connected [%s].", conn_info->remote_address);
 214                         __geofence_check_bt_fence_type(connected, conn_info->remote_address, user_data);
 215                 }
 216         } else {
 217                 LOGD_GEOFENCE("Bluetooth device disconnected [%s]. reason [%d]", conn_info->remote_address, conn_info->disconn_reason);
 218                 __geofence_check_bt_fence_type(connected, conn_info->remote_address, user_data);
 219         }
 220         LOGD_GEOFENCE("exit");
 221 }
 222
 223 void bt_adp_disable(gboolean connected, void *user_data)
 224 {
 225         FUNC_ENTRANCE_SERVER
 226         GeofenceServer *geofence_server = (GeofenceServer *) user_data;
 227         g_return_if_fail(geofence_server);
 228
 229         int fence_id = 0;
 230
 231         geofence_type_e fence_type;
 232         GeofenceItemData *item_data = NULL;
 233
 234         GList *fence_list = g_list_first(geofence_server->tracking_list);
 235
 236         for (; fence_list != NULL; fence_list = g_list_next(fence_list)) {
 237                 fence_id = GPOINTER_TO_INT(fence_list->data);
 238                 item_data = NULL;
 239                 item_data = __get_item_by_fence_id(fence_id, geofence_server);
 240
 241                 if (item_data == NULL)
 242                         continue;
 243
 244                 fence_type = item_data->common_info.type;
 245
 246                 if (fence_type != GEOFENCE_TYPE_BT)     /* check only bluetooth type*/
 247                         continue;
 248
 249                 if (connected == FALSE) {
 250                         if (__geofence_check_fence_status(GEOFENCE_FENCE_STATE_OUT, item_data) == TRUE) {
 251                                 LOGD_GEOFENCE("Emitted to fence_id [%d] GEOFENCE_FENCE_STATE_OUT", fence_id);
 252                                 emit_bt_geofence_inout_changed(geofence_server, item_data, GEOFENCE_FENCE_STATE_OUT);
 253                                 emit_bt_geofence_proximity_changed(geofence_server, fence_id, GEOFENCE_PROXIMITY_UNCERTAIN);
 254                         }
 255                 }
 256         }
 257
 258         LOGD_GEOFENCE("exit");
 259 }