mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-19 19:52:15 +02:00
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
// 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) 2012-2022 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/>.
|
|
|
|
// Create an Asio time_traits class to allow Asio to natively handle
|
|
// our Time and Time::Duration classes.
|
|
|
|
#pragma once
|
|
|
|
#include <chrono>
|
|
#include <memory>
|
|
|
|
#include <openvpn/io/io.hpp> // was: #include <asio/basic_waitable_timer.hpp>
|
|
|
|
#include <openvpn/common/olong.hpp>
|
|
#include <openvpn/time/time.hpp>
|
|
|
|
namespace openvpn {
|
|
struct AsioClock
|
|
{
|
|
typedef olong rep;
|
|
typedef std::ratio<1, 1024> period; // time resolution of openvpn::Time, note 1024 instead of the usual 1000
|
|
typedef std::chrono::duration<rep, period> duration;
|
|
typedef std::chrono::time_point<AsioClock> time_point;
|
|
|
|
static constexpr bool is_steady()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static time_point now()
|
|
{
|
|
return to_time_point(Time::now());
|
|
}
|
|
|
|
static time_point to_time_point(const Time &t)
|
|
{
|
|
return time_point(duration(t.raw()));
|
|
}
|
|
|
|
static duration to_duration(const Time::Duration &d)
|
|
{
|
|
return duration(d.raw());
|
|
}
|
|
};
|
|
|
|
class AsioTimer : public openvpn_io::basic_waitable_timer<AsioClock>
|
|
{
|
|
public:
|
|
typedef std::unique_ptr<AsioTimer> UPtr;
|
|
|
|
AsioTimer(openvpn_io::io_context &io_context)
|
|
: openvpn_io::basic_waitable_timer<AsioClock>(io_context)
|
|
{
|
|
}
|
|
|
|
std::size_t expires_at(const Time &t)
|
|
{
|
|
return openvpn_io::basic_waitable_timer<AsioClock>::expires_at(AsioClock::to_time_point(t));
|
|
}
|
|
|
|
std::size_t expires_after(const Time::Duration &d)
|
|
{
|
|
return openvpn_io::basic_waitable_timer<AsioClock>::expires_after(AsioClock::to_duration(d));
|
|
}
|
|
};
|
|
} // namespace openvpn
|