BLEScan.h

/*
 * BLEScan.h
 *
 *  Created on: Jul 1, 2017
 *      Author: kolban
 */

#ifndef COMPONENTS_CPP_UTILS_BLESCAN_H_
#define COMPONENTS_CPP_UTILS_BLESCAN_H_
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include <esp_gap_ble_api.h>

// #include <vector>
#include <string>
#include "BLEAdvertisedDevice.h"
#include "BLEClient.h"
#include "FreeRTOS.h"

class BLEAdvertisedDevice;
class BLEAdvertisedDeviceCallbacks;
class BLEClient;
class BLEScan;


class BLEScanResults {
public:
    void                dump();
    int                 getCount();
    BLEAdvertisedDevice getDevice(uint32_t i);

private:
    friend BLEScan;
    std::map<std::string, BLEAdvertisedDevice*> m_vectorAdvertisedDevices;
};

class BLEScan {
public:
    void           setActiveScan(bool active);
    void           setAdvertisedDeviceCallbacks(
                          BLEAdvertisedDeviceCallbacks* pAdvertisedDeviceCallbacks,
                                        bool wantDuplicates = false);
    void           setInterval(uint16_t intervalMSecs);
    void           setWindow(uint16_t windowMSecs);
    bool           start(uint32_t duration, void (*scanCompleteCB)(BLEScanResults), bool is_continue = false);
    BLEScanResults start(uint32_t duration, bool is_continue = false);
    void           stop();
    void           erase(BLEAddress address);
    BLEScanResults getResults();
    void            clearResults();

private:
    BLEScan();   // One doesn't create a new instance instead one asks the BLEDevice for the singleton.
    friend class BLEDevice;
    void         handleGAPEvent(
        esp_gap_ble_cb_event_t  event,
        esp_ble_gap_cb_param_t* param);
    void parseAdvertisement(BLEClient* pRemoteDevice, uint8_t *payload);


    esp_ble_scan_params_t         m_scan_params;
    BLEAdvertisedDeviceCallbacks* m_pAdvertisedDeviceCallbacks = nullptr;
    bool                          m_stopped = true;
    FreeRTOS::Semaphore           m_semaphoreScanEnd = FreeRTOS::Semaphore("ScanEnd");
    BLEScanResults                m_scanResults;
    bool                          m_wantDuplicates;
    void                        (*m_scanCompleteCB)(BLEScanResults scanResults);
}; // BLEScan

#endif /* CONFIG_BT_ENABLED */
#endif /* COMPONENTS_CPP_UTILS_BLESCAN_H_ */