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// 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 Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
// Common reliability layer classes
#ifndef OPENVPN_RELIABLE_RELCOMMON_H
#define OPENVPN_RELIABLE_RELCOMMON_H
#include <openvpn/crypto/packet_id.hpp>
namespace openvpn {
namespace reliable {
typedef PacketID::id_t id_t;
}
template <typename PACKET>
class ReliableMessageBase
{
public:
typedef reliable::id_t id_t;
ReliableMessageBase() : id_(0), erased_(false) {}
bool defined() const { return bool(packet); }
bool erased() const { return erased_; }
void erase()
{
id_ = id_t(0);
packet.reset();
erased_ = true;
}
id_t id() const { return id_; }
PACKET packet;
protected:
id_t id_;
bool erased_;
};
} // namespace openvpn
#endif // OPENVPN_RELIABLE_RELCOMMON_H