src/my-place/visit-detector/WifiLogger.h

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   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 #ifndef _CONTEXT_PLACE_RECOGNITION_WIFI_LOGGER_H_
  18 #define _CONTEXT_PLACE_RECOGNITION_WIFI_LOGGER_H_
  19
  20 #include <WifiWrapper.h>
  21 #include <time.h>
  22 #include <vector>
  23 #include <map>
  24 #include <TimerManager.h>
  25 #include "WifiListenerIface.h"
  26 #include "VisitListenerIface.h"
  27 #include "../facade/UserPlacesParams.h"
  28
  29 /* Database usage flag */
  30 #define WIFI_LOGGER_DATABASE false
  31
  32 /* Active scanning usage flag */
  33 #define WIFI_LOGGER_ACTIVE_SCANNING true
  34
  35 /* Passive scanning usage flag */
  36 #define WIFI_LOGGER_PASSIVE_SCANNING true
  37
  38 /* Active scanning minimum interval in seconds */
  39 #define WIFI_LOGGER_ACTIVE_SCANNING_MIN_INTERVAL 10
  40
  41 /*
  42  * Low power scanning usage flag
  43  * (When phone is connected to some WiFi Access Point
  44  * last scan data is returned instead of new scan triggering)
  45  */
  46 #define WIFI_LOGGER_LOW_POWER_MODE false
  47
  48 namespace ctx {
  49
  50         class WifiLogger : public ITimerListener, public IVisitListener {
  51
  52         public:
  53                 WifiLogger(IWifiListener * listener = nullptr,
  54                                 PlaceRecogMode energyMode = PLACE_RECOG_HIGH_ACCURACY_MODE);
  55                 ~WifiLogger();
  56
  57                 void startLogging();
  58                 void stopLogging();
  59                 void setMode(PlaceRecogMode energyMode);
  60
  61         private:
  62                 /* INPUT */
  63                 void onVisitStart();
  64                 void onVisitEnd();
  65
  66                 bool onTimerExpired(int timerId);
  67
  68                 /* TIMER */
  69                 bool __timerOn;
  70                 int __timerId;
  71                 int __intervalMinutes;
  72                 TimerManager __timerManager;
  73                 void __setInterval(PlaceRecogMode energyMode);
  74                 bool __checkTimerId(int id);
  75                 bool __checkTimerTime(time_t now);
  76                 void __timerStart(time_t minutes);
  77                 void __timerRestart();
  78
  79                 /* DATABASE */
  80                 static int __dbCreateTable();
  81                 int __dbInsertLogs();
  82
  83                 /* SYSTEM CAPI WRAPPERS */
  84                 WifiWrapper __wifiWrapper;
  85                 void __wifiSetBackgroundScanCbRequest();
  86                 void __wifiSetDeviceStateChangedCbRequest();
  87                 void __wifiSetConnectionStateChangedCbRequest();
  88                 bool __checkWifiIsActivated();
  89                 void __wifiScanRequest();
  90                 int __wifiForeachFoundApsRequest(void *userData);
  91                 wifi_connection_state_e __wifiGetConnectionStateRequest();
  92                 int __wifiApGetEssidRequest(wifi_ap_h ap, char **essid);
  93                 int __wifiApGetBssidRequest(wifi_ap_h ap, char **bssid);
  94
  95                 /* SYSTEM CAPI CALLBACKS */
  96                 static void __wifiDeviceStateChangedCb(wifi_device_state_e state, void *userData);
  97                 static void __wifiConnectionStateChangedCb(wifi_connection_state_e state, wifi_ap_h ap, void *userData);
  98                 static bool __wifiFoundApCb(wifi_ap_h ap, void *userData);
  99                 static void __wifiScanFinishedCb(wifi_error_e errorCode, void *userData);
 100
 101                 IWifiListener * const __listener;
 102                 std::vector<MacEvent> __logs;
 103                 std::map<std::string, std::string> __lastScansPool; // Mac address to network name map
 104                 time_t __lastScanTime;
 105                 time_t __lasTimerCallbackTime;
 106                 bool __duringVisit;
 107                 bool __connectedToWifiAp;
 108                 bool __started;
 109                 bool __running;
 110
 111                 void __startLogging();
 112                 void __stopLogging();
 113                 static const char* __wifiError2Str(int error);
 114
 115         };      /* class WifiLogger */
 116
 117 }       /* namespace ctx */
 118
 119 #endif /* End of _CONTEXT_PLACE_RECOGNITION_WIFI_LOGGER_H_ */