nitrokey-sys 3.7.0

/*
 * Copyright (c) 2015-2018 Nitrokey UG
 *
 * This file is part of libnitrokey.
 *
 * libnitrokey is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * libnitrokey 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 General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: LGPL-3.0
 */


#ifndef LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H
#define LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H

#include <atomic>
#include <exception>
#include <stdexcept>
#include <string>


class DeviceCommunicationException: public std::runtime_error
{
  std::string message;
  static std::atomic_int occurred;
public:
  explicit DeviceCommunicationException(const std::string& _msg): std::runtime_error(_msg), message(_msg){
    ++occurred;
  }
  uint8_t getType() const {return 1;};
//  virtual const char* what() const throw() override {
//    return message.c_str();
//  }
  static bool has_occurred(){ return occurred > 0; };
  static void reset_occurred_flag(){ occurred = 0; };
};

class DeviceNotConnected: public DeviceCommunicationException {
public:
  DeviceNotConnected(std::string msg) : DeviceCommunicationException(msg){}
  uint8_t getType() const {return 2;};
};

class DeviceSendingFailure: public DeviceCommunicationException {
public:
  DeviceSendingFailure(std::string msg) : DeviceCommunicationException(msg){}
  uint8_t getType() const {return 3;};
};

class DeviceReceivingFailure: public DeviceCommunicationException {
public:
  DeviceReceivingFailure(std::string msg) : DeviceCommunicationException(msg){}
  uint8_t getType() const {return 4;};
};

class InvalidCRCReceived: public DeviceReceivingFailure {
public:
  InvalidCRCReceived(std::string msg) : DeviceReceivingFailure(msg){}
  uint8_t getType() const {return 5;};
};


#endif //LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H