WiegandPinNBitsOnly.hpp

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/*
    Copyright (C) 2014-2016 Leosac

    This file is part of Leosac.

    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Leosac is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include "PinReading.hpp"

namespace Leosac
{
namespace Module
{
namespace Wiegand
{
namespace Strategy
{
template <unsigned int NbBits>
class WiegandPinNBitsOnly : public PinReading
{
  public:
    WiegandPinNBitsOnly(WiegandReaderImpl *reader,
                        std::chrono::milliseconds pin_timeout, char pin_end_key);

    // we reset the counter_ and buffer_ for each key.
    virtual void timeout() override;

    virtual bool completed() const override;

    virtual void signal(zmqpp::socket &sock) override;

    virtual const std::string &get_pin() const override;

    virtual void reset() override;

  private:
    char extract_from_raw(uint8_t input) const;

    void end_of_input();

    std::string inputs_;
    std::chrono::milliseconds pin_timeout_;
    char pin_end_key_;

    using TimePoint = std::chrono::system_clock::time_point;
    TimePoint last_update_;

    bool ready_;
};
}
}
}
}