forked from premiere/premiere-libtorrent
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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Copyright (c) 2003, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libtorrent/pch.hpp"
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#include <numeric>
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#include <algorithm>
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#include "libtorrent/stat.hpp"
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#include "libtorrent/invariant_check.hpp"
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namespace libtorrent {
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void stat_channel::second_tick(int tick_interval_ms)
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{
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INVARIANT_CHECK;
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m_rate_sum -= m_rate_history[m_window-1];
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for (int i = history - 2; i >= 0; --i)
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m_rate_history[i + 1] = m_rate_history[i];
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m_rate_history[0] = int(size_type(m_counter) * 1000 / tick_interval_ms);
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TORRENT_ASSERT(m_rate_history[0] >= 0);
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m_rate_sum += m_rate_history[0];
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m_counter = 0;
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}
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void stat_channel::set_window(int w)
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{
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if (w < 1) w = 1;
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else if (w > history) w = history;
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m_window = w;
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m_rate_sum = 0;
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for (int i = 0; i < m_window; ++i)
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m_rate_sum += m_rate_history[i];
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}
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}
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