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https://github.com/OpenVPN/openvpn3.git
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16b10559f2
OpenVPN Technologies, Inc. change their name to OpenVPN Inc. during the autumn of 2017. Signed-off-by: David Sommerseth <davids@openvpn.net>
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_TIME_COARSETIME_H
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#define OPENVPN_TIME_COARSETIME_H
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#include <openvpn/time/time.hpp>
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namespace openvpn {
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// Used to compare two time objects within the accuracy limits
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// defined by pre and post.
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class CoarseTime
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{
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public:
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CoarseTime() {}
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CoarseTime(const Time::Duration& pre, const Time::Duration& post)
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: pre_(pre), post_(post) {}
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void init(const Time::Duration& pre, const Time::Duration& post)
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{
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pre_ = pre;
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post_ = post;
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}
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void reset(const Time& t) { time_ = t; }
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void reset() { time_.reset(); }
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bool similar(const Time& t) const
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{
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if (time_.defined())
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{
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if (t >= time_)
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return (t - time_) <= post_;
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else
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return (time_ - t) <= pre_;
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}
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else
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return false;
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}
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private:
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Time time_;
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Time::Duration pre_;
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Time::Duration post_;
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};
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} // namespace openvpn
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#endif // OPENVPN_TIME_COARSETIME_H
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