2020-07-06 14:07:20 +00:00
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/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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2020-05-27 18:10:46 +00:00
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#pragma once
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#include "td/utils/int_types.h"
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#include "td/utils/Time.h"
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namespace ton {
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namespace rldp2 {
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struct RttStats;
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struct BdwStats;
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struct Bbr {
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public:
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void step(const RttStats &rtt_stats, const BdwStats &bdw_stats, td::uint64 in_flight, td::Timestamp now);
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double get_rate() const;
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td::uint32 get_window_size() const;
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private:
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double bdw_peak_{-1};
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td::uint32 bdw_peak_at_round{0};
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td::uint32 probe_bdw_cycle_{0};
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td::Timestamp probe_bdw_cycle_at_;
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double rtt_min_{0};
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double bdw_max_{0};
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enum class State { Start, Drain, ProbeRtt, ProbeBdw } state_ = State::Start;
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};
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} // namespace rldp2
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} // namespace ton
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