Ton

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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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#include "LossStats.h"
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#include "td/utils/misc.h"
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#include <cmath>
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namespace ton {
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namespace rldp2 {
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void LossStats::on_update(td::uint32 ack, td::uint32 lost) {
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  ack_ += ack;
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  lost_ += lost;
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  if (ack_ + lost_ > 1000) {
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    auto new_loss = td::clamp((double)lost_ / (ack_ + lost_), 0.001, 0.2);
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    if (fabs(new_loss - loss) > 5e-3) {
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      prob = LossSender(new_loss, 1e-9);
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    }
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    loss = new_loss;
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    ack_ = 0;
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    lost_ = 0;
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  }
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}
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}  // namespace rldp2
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}  // namespace ton
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