loc-serv.go

	err := rc.JSONDelEntry(moduleLocServ+":"+typeZoneStatusSubscription+":"+vars["subscriptionId"], ".")
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	deregisterZoneStatus(vars["subscriptionId"])
	w.WriteHeader(http.StatusNoContent)
}

func zoneStatusGet(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response ResponseZoneStatusNotificationSubscriptionList
	var zoneStatusSubList ZoneStatusNotificationSubscriptionList
	response.NotificationSubscriptionList = &zoneStatusSubList

	_ = rc.JSONGetList("", "", moduleLocServ+":"+typeZoneStatusSubscription, populateZoneStatusList, &zoneStatusSubList)

	zoneStatusSubList.ResourceURL = basepathURL + "subscription/zoneStatus"

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func zoneStatusGetById(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response ResponseZoneStatusSubscription2
	var zoneStatusSub ZoneStatusSubscription
	response.ZoneStatusSubscription = &zoneStatusSub

	jsonZoneStatusSub, _ := rc.JSONGetEntry(moduleLocServ+":"+typeZoneStatusSubscription+":"+vars["subscriptionId"], ".")
	if jsonZoneStatusSub == "" {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	err := json.Unmarshal([]byte(jsonZoneStatusSub), &zoneStatusSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func zoneStatusPost(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	var response ResponseZoneStatusSubscription
	zoneStatusSub := new(ZoneStatusSubscription)
	response.ZonalTrafficSubscription = zoneStatusSub

	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&zoneStatusSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	newSubsId := nextZoneStatusSubscriptionIdAvailable
	nextZoneStatusSubscriptionIdAvailable++
	subsIdStr := strconv.Itoa(newSubsId)

	zoneStatusSub.ResourceURL = basepathURL + "subscriptions/zoneStatus/" + subsIdStr

	_ = rc.JSONSetEntry(moduleLocServ+":"+typeZoneStatusSubscription+":"+subsIdStr, ".", convertZoneStatusSubscriptionToJson(zoneStatusSub))

	registerZoneStatus(zoneStatusSub.ZoneId, zoneStatusSub.NumberOfUsersZoneThreshold, zoneStatusSub.NumberOfUsersAPThreshold,
		zoneStatusSub.OperationStatus, subsIdStr)

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
	fmt.Fprintf(w, string(jsonResponse))
}

func zoneStatusPutById(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	vars := mux.Vars(r)

	var response ResponseZoneStatusSubscription2
	zoneStatusSub := new(ZoneStatusSubscription)
	response.ZoneStatusSubscription = zoneStatusSub

	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&zoneStatusSub)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	subsIdStr := vars["subscriptionId"]
	zoneStatusSub.ResourceURL = basepathURL + "subscriptions/zoneStatus/" + subsIdStr

	_ = rc.JSONSetEntry(moduleLocServ+":"+typeZoneStatusSubscription+":"+subsIdStr, ".", convertZoneStatusSubscriptionToJson(zoneStatusSub))

	deregisterZoneStatus(subsIdStr)
	registerZoneStatus(zoneStatusSub.ZoneId, zoneStatusSub.NumberOfUsersZoneThreshold, zoneStatusSub.NumberOfUsersAPThreshold,
		zoneStatusSub.OperationStatus, subsIdStr)

	jsonResponse, err := json.Marshal(response)
	if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusOK)
	fmt.Fprintf(w, string(jsonResponse))
}

func populateZoneStatusList(key string, jsonInfo string, dummy1 string, dummy2 string, userData interface{}) error {

	zoneList := userData.(*ZoneStatusNotificationSubscriptionList)
	var zoneInfo ZoneStatusSubscription

	// Format response
	err := json.Unmarshal([]byte(jsonInfo), &zoneInfo)
	if err != nil {
		return err
	}
	zoneList.ZoneStatusSubscription = append(zoneList.ZoneStatusSubscription, zoneInfo)
	return nil
}

/*
func getCurrentUserLocation(resourceName string) (string, string) {

	jsonUserInfo, _ := rc.JSONGetEntry(moduleLocServ+":"+typeUser+":"+resourceName, ".")

	if jsonUserInfo != "" {
		// Unmarshal UserInfo
		var userInfo UserInfo
		err := json.Unmarshal([]byte(jsonUserInfo), &userInfo)
		if err == nil {
			return userInfo.ZoneId, userInfo.AccessPointId
		} else {
			log.Error(err.Error())
		}
	}
	return "", ""
}
*/
func cleanUp() {

	log.Info("Terminate all")
	rc.DBFlush(moduleLocServ)
	nextZonalSubscriptionIdAvailable = 1
	nextUserSubscriptionIdAvailable = 1
	nextZoneStatusSubscriptionIdAvailable = 1

	zonalSubscriptionEnteringMap = map[int]string{}
	zonalSubscriptionLeavingMap = map[int]string{}
	zonalSubscriptionTransferringMap = map[int]string{}
	zonalSubscriptionMap = map[int]string{}

	userSubscriptionEnteringMap = map[int]string{}
	userSubscriptionLeavingMap = map[int]string{}
	userSubscriptionTransferringMap = map[int]string{}
	userSubscriptionMap = map[int]string{}

	zoneStatusSubscriptionMap = map[int]*ZoneStatusCheck{}

}

func updateUserInfo(address string, zoneId string, accessPointId string) {

	//get from DB
	jsonUserInfo, _ := rc.JSONGetEntry(moduleLocServ+":"+typeUser+":"+address, ".")

	userInfo := new(UserInfo)

	oldZoneId := ""
	oldApId := ""
	if jsonUserInfo != "" {

		userInfo = convertJsonToUserInfo(jsonUserInfo)

		oldZoneId = userInfo.ZoneId
		oldApId = userInfo.AccessPointId

		if zoneId != "" {
			userInfo.ZoneId = zoneId
		}
		if accessPointId != "" {
			userInfo.AccessPointId = accessPointId
		}

		//updateDB
		_ = rc.JSONSetEntry(moduleLocServ+":"+typeUser+":"+address, ".", convertUserInfoToJson(userInfo))

	} else {
		userInfo.Address = address
		userInfo.ZoneId = zoneId
		userInfo.AccessPointId = accessPointId
		userInfo.ResourceURL = basepathURL + "users/" + address
		//unsued optional attributes
		//userInfo.LocationInfo.Latitude,
		//userInfo.LocationInfo.Longitude,
		//userInfo.LocationInfo.Altitude,
		//userInfo.LocationInfo.Accuracy,
		//userInfo.ContextLocationInfo,
		//userInfo.AncillaryInfo)
		_ = rc.JSONSetEntry(moduleLocServ+":"+typeUser+":"+address, ".", convertUserInfoToJson(userInfo))
	}
	checkNotificationRegistrations(USER_TRACKING_AND_ZONAL_TRAFFIC, oldZoneId, zoneId, oldApId, accessPointId, address)

}

func updateZoneInfo(zoneId string, nbAccessPoints int, nbUnsrvAccessPoints int, nbUsers int) {

	//get from DB
	jsonZoneInfo, _ := rc.JSONGetEntry(moduleLocServ+":"+typeZone+":"+zoneId, ".")

	zoneInfo := new(ZoneInfo)
	if jsonZoneInfo != "" {
		zoneInfo = convertJsonToZoneInfo(jsonZoneInfo)

		if nbAccessPoints != -1 {
			zoneInfo.NumberOfAccessPoints = int32(nbAccessPoints)
		}
		if nbUnsrvAccessPoints != -1 {
			zoneInfo.NumberOfUnservicableAccessPoints = int32(nbUnsrvAccessPoints)
		}
		if nbUsers != -1 {
			zoneInfo.NumberOfUsers = int32(nbUsers)
		}
		//updateDB
		_ = rc.JSONSetEntry(moduleLocServ+":"+typeZone+":"+zoneId, ".", convertZoneInfoToJson(zoneInfo))
	} else {
		zoneInfo.ZoneId = zoneId
		zoneInfo.ResourceURL = basepathURL + "zones/" + zoneId

		zoneInfo.NumberOfAccessPoints = int32(nbAccessPoints)
		zoneInfo.NumberOfUnservicableAccessPoints = int32(nbUnsrvAccessPoints)
		zoneInfo.NumberOfUsers = int32(nbUsers)

		_ = rc.JSONSetEntry(moduleLocServ+":"+typeZone+":"+zoneId, ".", convertZoneInfoToJson(zoneInfo))
	}

	checkNotificationRegistrations(ZONE_STATUS, zoneId, "", "", strconv.Itoa(nbUsers), "")
}

func updateAccessPointInfo(zoneId string, apId string, conTypeStr string, opStatusStr string, nbUsers int) {

	//get from DB
	jsonApInfo, _ := rc.JSONGetEntry(moduleLocServ+":"+typeZone+":"+zoneId+":"+typeAccessPoint+":"+apId, ".")

	if jsonApInfo != "" {
		apInfo := convertJsonToAccessPointInfo(jsonApInfo)

		if opStatusStr != "" {
			opStatus := convertStringToOperationStatus(opStatusStr)
			apInfo.OperationStatus = &opStatus
		}
		if nbUsers != -1 {
			apInfo.NumberOfUsers = int32(nbUsers)
		}
		//updateDB
		_ = rc.JSONSetEntry(moduleLocServ+":"+typeZone+":"+zoneId+":"+typeAccessPoint+":"+apId, ".", convertAccessPointInfoToJson(apInfo))
	} else {
		apInfo := new(AccessPointInfo)
		apInfo.AccessPointId = apId
		apInfo.ResourceURL = basepathURL + "zones/" + zoneId + "/accessPoints/" + apId
		conType := convertStringToConnectionType(conTypeStr)
		apInfo.ConnectionType = &conType
		opStatus := convertStringToOperationStatus(opStatusStr)
		apInfo.OperationStatus = &opStatus
		apInfo.NumberOfUsers = int32(nbUsers)

		//unsued optional attributes
		//apInfo.LocationInfo.Latitude
		//apInfo.LocationInfo.Longitude
		//apInfo.LocationInfo.Altitude
		//apInfo.LocationInfo.Accuracy
		//apInfo.Timezone
		//apInfo.InterestRealm

		_ = rc.JSONSetEntry(moduleLocServ+":"+typeZone+":"+zoneId+":"+typeAccessPoint+":"+apId, ".", convertAccessPointInfoToJson(apInfo))
	}
	checkNotificationRegistrations(ZONE_STATUS, zoneId, apId, strconv.Itoa(nbUsers), "", "")
}

func zoneStatusReInit() {

	//reusing the object response for the get multiple zoneStatusSubscription
	var zoneList ZoneStatusNotificationSubscriptionList

	_ = rc.JSONGetList("", "", moduleLocServ+":"+typeZoneStatusSubscription, populateZoneStatusList, &zoneList)

	maxZoneStatusSubscriptionId := 0
	for _, zone := range zoneList.ZoneStatusSubscription {
		resourceUrl := strings.Split(zone.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxZoneStatusSubscriptionId {
				maxZoneStatusSubscriptionId = subscriptionId
			}

			var zoneStatus ZoneStatusCheck
			opStatus := zone.OperationStatus
			if opStatus != nil {
				for i := 0; i < len(opStatus); i++ {
					switch opStatus[i] {
					case SERVICEABLE:
						zoneStatus.Serviceable = true
					case UNSERVICEABLE:
						zoneStatus.Unserviceable = true
					case OPSTATUS_UNKNOWN:
						zoneStatus.Unknown = true
					default:
					}
				}
			}
			zoneStatus.NbUsersInZoneThreshold = (int)(zone.NumberOfUsersZoneThreshold)
			zoneStatus.NbUsersInAPThreshold = (int)(zone.NumberOfUsersAPThreshold)
			zoneStatus.ZoneId = zone.ZoneId
			zoneStatusSubscriptionMap[subscriptionId] = &zoneStatus
		}
	}
	nextZoneStatusSubscriptionIdAvailable = maxZoneStatusSubscriptionId + 1

}

func zonalTrafficReInit() {

	//reusing the object response for the get multiple zonalSubscription
	var zoneList ZonalTrafficNotificationSubscriptionList

	_ = rc.JSONGetList("", "", moduleLocServ+":"+typeZonalSubscription, populateZonalTrafficList, &zoneList)

	maxZonalSubscriptionId := 0
	for _, zone := range zoneList.ZonalTrafficSubscription {
		resourceUrl := strings.Split(zone.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxZonalSubscriptionId {
				maxZonalSubscriptionId = subscriptionId
			}

			for i := 0; i < len(zone.UserEventCriteria); i++ {
				switch zone.UserEventCriteria[i] {
				case ENTERING:
					zonalSubscriptionEnteringMap[subscriptionId] = zone.ZoneId
				case LEAVING:
					zonalSubscriptionLeavingMap[subscriptionId] = zone.ZoneId
				case TRANSFERRING:
					zonalSubscriptionTransferringMap[subscriptionId] = zone.ZoneId
				default:
				}
			}
			zonalSubscriptionMap[subscriptionId] = zone.ZoneId
		}
	}
	nextZonalSubscriptionIdAvailable = maxZonalSubscriptionId + 1

}

func userTrackingReInit() {

	//reusing the object response for the get multiple zonalSubscription
	var userList UserTrackingNotificationSubscriptionList

	_ = rc.JSONGetList("", "", moduleLocServ+":"+typeUserSubscription, populateUserTrackingList, &userList)

	maxUserSubscriptionId := 0
	for _, user := range userList.UserTrackingSubscription {
		resourceUrl := strings.Split(user.ResourceURL, "/")
		subscriptionId, err := strconv.Atoi(resourceUrl[len(resourceUrl)-1])
		if err != nil {
			log.Error(err)
		} else {
			if subscriptionId > maxUserSubscriptionId {
				maxUserSubscriptionId = subscriptionId
			}

			for i := 0; i < len(user.UserEventCriteria); i++ {
				switch user.UserEventCriteria[i] {
				case ENTERING:
					userSubscriptionEnteringMap[subscriptionId] = user.Address
				case LEAVING:
					userSubscriptionLeavingMap[subscriptionId] = user.Address
				case TRANSFERRING:
					userSubscriptionTransferringMap[subscriptionId] = user.Address
				default:
				}
			}
			userSubscriptionMap[subscriptionId] = user.Address
		}
	}
	nextUserSubscriptionIdAvailable = maxUserSubscriptionId + 1

}