//    OpenVPN -- An application to securely tunnel IP networks
//               over a single port, with support for SSL/TLS-based
//               session authentication and key exchange,
//               packet encryption, packet authentication, and
//               packet compression.
//
//    Copyright (C) 2012-2017 OpenVPN Technologies, Inc.
//
//    This program is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License Version 3
//    as published by the Free Software Foundation.
//
//    This program 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 General Public License
//    along with this program in the COPYING file.
//    If not, see <http://www.gnu.org/licenses/>.

#ifndef OPENVPN_APPLECRYPTO_CF_ERROR_H
#define OPENVPN_APPLECRYPTO_CF_ERROR_H

#include <string>

#include <CoreFoundation/CFBase.h>

#include <openvpn/common/exception.hpp>

// An exception object that encapsulates Apple Core Foundation errors.

namespace openvpn {

  // string exception class
  class CFException : public std::exception
  {
  public:
    CFException(const std::string& text)
    {
      errtxt = text;
    }

    CFException(const std::string& text, const OSStatus status)
    {
      set_errtxt(text, status);
    }

    virtual const char* what() const throw() { return errtxt.c_str(); }
    std::string what_str() const { return errtxt; }

    virtual ~CFException() throw() {}

  private:
    void set_errtxt(const std::string& text, const OSStatus status)
    {
      std::ostringstream s;
      s << text << ": OSX Error code=" << status;
      errtxt = s.str();
    }

    std::string errtxt;
  };

} // namespace openvpn

#endif // OPENVPN_APPLECRYPTO_CF_ERROR_H
