BLEOutgoingSignalAdapter.h

#pragma once
 
#include <NimBLEUUID.h>
#include <functional>
#include <string>
#include "utils.h"
 
template <typename T>
using BLESignalEncoder = std::function<size_t(const T& value, uint8_t buffer[], size_t bufferLen)>;
 
template <typename T>
struct BLEOutgoingSignalAdapter {
  NimBLEUUID serviceUUID{};
  NimBLEUUID characteristicUUID{};
  BLESignalEncoder<T> encoder{};

  size_t bufferLen{};
 
  bool isEnabled() const { return !blegc::isNull(serviceUUID); }
  bool isDisabled() const { return !isEnabled(); }
  explicit operator std::string() const;
};
 
template <typename T>
BLEOutgoingSignalAdapter<T>::operator std::string() const {
  return "service uuid: " + std::string(serviceUUID) + ", characteristic uuid: " + std::string(characteristicUUID);
}