kazu
44f9b6ac80
memory enhancements prevent starting sensors more than once fix for wifi lag issues map scaling for huge buildings
97 lines
2.0 KiB
C++
97 lines
2.0 KiB
C++
#ifndef WIFISENSORANDROID_H
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#define WIFISENSORANDROID_H
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#ifdef ANDROID
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#include <QAndroidJniObject>
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#include "../../misc/Debug.h"
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#include "../WiFiSensor.h"
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#include <Indoor/misc/Debug.h>
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class WiFiSensorAndroid : public WiFiSensor {
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private:
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/** hidden ctor. use singleton! */
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WiFiSensorAndroid() {;}
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bool started = false;
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public:
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/** singleton access */
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static WiFiSensorAndroid& get() {
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static WiFiSensorAndroid wifi;
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return wifi;
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}
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void start() override {
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// do NOT start twice!
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if (started) {return;}
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started = true;
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// start scanning
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int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/WiFi", "start", "()I");
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if (res != 1337) {throw Exception("error while starting WiFi");}
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}
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void stop() override {
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throw "todo";
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}
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bool isRunning() const override {
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return started;
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}
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/**
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* called from WiFi.java
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* handle the given incoming scan result
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* just a bit curious, thus std::string instead of std::string&
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*/
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void handle(const std::string data) {
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// to-be-constructed sensor data
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WiFiMeasurements sensorData;
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// tag all scan-entries with the current app runtime
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const Timestamp curTS = Timestamp::fromRunningTime();
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// parse each mac->rssi entry
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for (int i = 0; i < (int)data.length(); i += 17+1+2) {
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const std::string bssid = data.substr(i, 17);
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const int8_t rssi = data[i+17];
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const int8_t pad1 = data[i+18];
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const int8_t pad2 = data[i+19];
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if (pad1 != 0 || pad2 != 0) {Debug::error("padding error within WiFi scan result");}
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sensorData.entries.push_back(WiFiMeasurement(AccessPoint(bssid), rssi, curTS));
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}
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// call listeners
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informListeners(sensorData);
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// interval debug
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// static Timestamp lastTS;
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// const Timestamp diff = curTS - lastTS;
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// Log::add("wifi", std::to_string(diff.ms()));
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// if (diff.ms() > 650) {
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// Log::add("wifi", "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
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// }
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// lastTS = curTS;
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}
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};
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#endif
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#endif // WIFISENSORANDROID_H
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