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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- OpenVPN Inc.
//
// SPDX-License-Identifier: MPL-2.0 OR AGPL-3.0-only WITH openvpn3-openssl-exception
//
// Common reliability layer classes
#ifndef OPENVPN_RELIABLE_RELCOMMON_H
#define OPENVPN_RELIABLE_RELCOMMON_H
#include <openvpn/crypto/packet_id_control.hpp>
namespace openvpn {
namespace reliable {
typedef std::uint32_t id_t;
constexpr static std::size_t id_size = sizeof(id_t);
} // namespace reliable
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
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