openvpn3/openvpn/applecrypto/util/reach.hpp

//    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_UTIL_REACH_H
#define OPENVPN_APPLECRYPTO_UTIL_REACH_H

// An interface to various network reachability implementations,
// primarily for iOS.

namespace openvpn {
  struct ReachabilityInterface
  {
    enum Status {
      NotReachable,
      ReachableViaWiFi,
      ReachableViaWWAN
    };

    virtual Status reachable() const = 0;
    virtual bool reachableVia(const std::string& net_type) const = 0;
    virtual std::string to_string() const = 0;
    virtual ~ReachabilityInterface() {}
  };
}
#endif