67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
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Copyright (c) 2012-2018, 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_SESSION_STATS_HPP_INCLUDED
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#define TORRENT_SESSION_STATS_HPP_INCLUDED
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#include "libtorrent/config.hpp"
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#include "libtorrent/string_view.hpp"
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#include <vector>
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namespace libtorrent {
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// describes one statistics metric from the session. For more information,
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// see the session-statistics_ section.
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struct TORRENT_EXPORT stats_metric
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{
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char const* name;
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int value_index;
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enum metric_type_t { type_counter, type_gauge };
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metric_type_t type;
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};
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// This free function returns the list of available metrics exposed by
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// libtorrent's statistics API. Each metric has a name and a *value index*.
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// The value index is the index into the array in session_stats_alert where
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// this metric's value can be found when the session stats is sampled (by
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// calling post_session_stats()).
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TORRENT_EXPORT std::vector<stats_metric> session_stats_metrics();
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// given a name of a metric, this function returns the counter index of it,
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// or -1 if it could not be found. The counter index is the index into the
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// values array returned by session_stats_alert.
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TORRENT_EXPORT int find_metric_idx(string_view name);
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}
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#endif
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