fortuna/event_adder_impl.h

#ifndef FORTUNA_EVENT_ADDER_IMPL_H
#define FORTUNA_EVENT_ADDER_IMPL_H

#include "event_adder.h"
#include "pool.h"

#include <cstdint>

namespace fortuna {
namespace accumulator {

class EventAdderImpl final : public EventAdder {
public:
	static constexpr const uint8_t p_size{32};

private:
	uint8_t pool_id;
	static unsigned int _source_id;
	static accumulator::Pool _pools[p_size];

public:
	EventAdderImpl(const unsigned int source_id,
				   const accumulator::Pool pools[p_size]) {
		this->_source_id = source_id;
		for (uint8_t i{0}; i < this->p_size; i++) {
			this->_pools[i] = pools[i];
		}
		this->pool_id = 0;
	}

	void add(std::vector<char> event) override {
		this->pool_id = static_cast<uint8_t>((this->pool_id + 1) % p_size);
		_pools[this->pool_id].add_entropy(_source_id, event);
	}
};

} // namespace accumulator
} // namespace fortuna
#endif // FORTUNA_EVENT_ADDER_IMPL_H