bluetooth_scanner.hpp

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#ifndef BLUETOOTH_SCANNER_HPP_
#define BLUETOOTH_SCANNER_HPP_

#include <thread>
#include <mutex>

#include "../../util/error/kallisto_error.hpp"
#include "../../util/executor/executor.hpp"
#include "../adapter/bluetooth_adapter.hpp"
#include "bluetooth_scanner_configuration.hpp"
#include "bluetooth_scanner_filter.hpp"

namespace kallisto {
namespace bluetooth {

class BluetoothScanner : BluetoothAdapter::ScanListener {
private:
    BluetoothAdapter& m_adapter; //Holds our Bluetooth adapter
    BluetoothScannerConfiguration m_scan_configuration = BluetoothScannerConfiguration::Builder().buildDefault(); //Holds the scanner configuration
    BluetoothScannerFilter m_scan_filter = BluetoothScannerFilter::Builder().buildDefault(); //Holds the scanner filter
    BluetoothAdapter::ScanListener* m_listener = nullptr; //Event listener
    std::atomic_bool m_running{false}; //Signals if scanner is running
    util::Executor m_event_dispatcher{"BluetoothScanner", 1}; //Event dispatcher
    std::thread m_scanner_thread;
    std::mutex m_scanner_mtx;
    std::condition_variable m_scanner_cv;

    void scannerRunnable();

    void onScanStart();

    void onScanStartFailed();

    void onScanStop(std::vector<BluetoothDevice*> devices_found);

    void onScan(BluetoothDevice& device, const ScanRecord record);

    BluetoothScanner(BluetoothScanner const&) = delete;
    BluetoothScanner(BluetoothScanner&&) = delete;
    void operator=(BluetoothScanner const&) = delete;
    void operator=(BluetoothScanner &&) = delete;

public:
    BluetoothScanner(BluetoothAdapter& adapter);

    ~BluetoothScanner();

    error::KallistoDetailedResult start(BluetoothScannerConfiguration& configuration, BluetoothScannerFilter& filter, BluetoothAdapter::ScanListener& listener);

    error::KallistoDetailedResult stop();

    const BluetoothScannerConfiguration& getConfiguration(){
        return m_scan_configuration;
    }

    const BluetoothScannerFilter& getFilter(){
        return m_scan_filter;
    }

    error::KallistoDetailedResult setConfiguration(BluetoothScannerConfiguration& configuration);

    error::KallistoDetailedResult setFilter(BluetoothScannerFilter& filter);
};

} /* namespace bluetooth */
} /* namespace kallisto */

#endif /* BLUETOOTH_SCANNER_HPP_ */