100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/*
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* © Copyright 2014 – Urheberrechtshinweis
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* Alle Rechte vorbehalten / All Rights Reserved
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*
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* Programmcode ist urheberrechtlich geschuetzt.
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* Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
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* Keine Verwendung ohne explizite Genehmigung.
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* (vgl. § 106 ff UrhG / § 97 UrhG)
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*/
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#ifndef WIFIMEASUREMENT_H
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#define WIFIMEASUREMENT_H
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#include "AccessPoint.h"
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#include "../../data/Timestamp.h"
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/**
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* describes a measurement received for one access-point at a given time
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*/
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class WiFiMeasurement {
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private:
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friend class VAPGrouper;
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/** the access-point we got a measurement for */
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AccessPoint ap;
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/** the measured signal strength */
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float rssi;
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/** OPTIONAL. frequence the signal was received */
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float freq = NAN;
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/** OPTIONAL. timestamp the measurement was recorded at */
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Timestamp ts;
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public:
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/** ctor */
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WiFiMeasurement(const AccessPoint& ap, const float rssi) : ap(ap), rssi(rssi), freq(NAN) {
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;
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}
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/** ctor with freq*/
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WiFiMeasurement(const AccessPoint& ap, const float rssi, const float freq) : ap(ap), rssi(rssi), freq(freq) {
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;
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}
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/** ctor with timestamp */
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WiFiMeasurement(const AccessPoint& ap, const float rssi, const Timestamp ts) : ap(ap), rssi(rssi), freq(NAN), ts(ts) {
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;
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}
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/** ctor with timestamp and freq*/
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WiFiMeasurement(const AccessPoint& ap, const float rssi, const float freq, const Timestamp ts) : ap(ap), rssi(rssi), freq(freq), ts(ts) {
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;
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}
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public:
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/** get the AP we got the measurement for */
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const AccessPoint& getAP() const {return ap;}
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/** get the measurement's signal strength */
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float getRSSI() const {return rssi;}
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/** OPTIONAL: get the measurement's timestamp (if known!) */
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const Timestamp& getTimestamp() const {return ts;}
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/** timestamp known? */
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bool hasTimestamp() const {return ts == ts;}
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/** OPTIONAL: get the measurement's frequency (if known!) */
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float getFrequency() const {return freq;}
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/** frequency known? */
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bool hasFrequency() const {return freq == freq;}
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/** set another signal strength */
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void setRssi(float value){rssi = value;}
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/** set the timestamp */
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void setTimestamp(const Timestamp& val){ts = val;}
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/** as string for debug printing */
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std::string asString() const {
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std::string res = ap.asString();
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if (hasTimestamp()) {res += " @" + std::to_string(ts.ms());}
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if (hasFrequency()) {res += " " + std::to_string((int)freq) + " MHz";}
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res += " - " + std::to_string(rssi) + " dBm ";
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return res;
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}
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};
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#endif // WIFIMEASUREMENT_H
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