forked from premiere/premiere-libtorrent
109 lines
3.6 KiB
C++
Executable File
109 lines
3.6 KiB
C++
Executable File
/*
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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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#ifndef TORRENT_STAT_HPP_INCLUDED
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#define TORRENT_STAT_HPP_INCLUDED
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#include <algorithm>
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#include <vector>
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namespace libtorrent
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{
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class stat
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{
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enum { history = 5 };
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public:
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stat()
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: m_downloaded(0)
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, m_uploaded(0)
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, m_total_download(0)
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, m_total_upload(0)
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, m_peak_downloaded_per_second(0)
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, m_peak_uploaded_per_second(0)
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, m_mean_download_per_second(0)
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, m_mean_upload_per_second(0)
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{
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std::fill(m_download_per_second_history, m_download_per_second_history+history, 0);
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std::fill(m_upload_per_second_history, m_upload_per_second_history+history, 0);
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}
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// TODO: these function should take two arguments
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// to be able to count both total data sent and also
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// count only the actual payload (not counting the
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// protocol chatter)
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void received_bytes(int num_bytes)
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{ m_downloaded += num_bytes; m_total_download += num_bytes; }
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void sent_bytes(int num_bytes)
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{ m_uploaded += num_bytes; m_total_upload += num_bytes; }
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// should be called once every second
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void second_tick();
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float upload_rate() const { return m_mean_upload_per_second; }
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float download_rate() const { return m_mean_download_per_second; }
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float down_peak() const { return m_peak_downloaded_per_second; }
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float up_peak() const { return m_peak_uploaded_per_second; }
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unsigned int total_upload() const { return m_total_upload; }
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unsigned int total_download() const { return m_total_download; }
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private:
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// history of download/upload speeds a few seconds back
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unsigned int m_download_per_second_history[history];
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unsigned int m_upload_per_second_history[history];
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// the accumulators we are adding the downloads/upploads
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// to this second
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unsigned int m_downloaded;
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unsigned int m_uploaded;
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// total download/upload counters
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unsigned int m_total_download;
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unsigned int m_total_upload;
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// peak mean download/upload rates
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unsigned int m_peak_downloaded_per_second;
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unsigned int m_peak_uploaded_per_second;
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// current mean download/upload rates
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unsigned int m_mean_download_per_second;
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unsigned int m_mean_upload_per_second;
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};
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}
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#endif // TORRENT_STAT_HPP_INCLUDED
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