88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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Copyright (c) 2008, 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/session.hpp"
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#include "libtorrent/settings_pack.hpp"
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#include "libtorrent/alert_types.hpp"
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#include "libtorrent/time.hpp" // for clock_type
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#include "test.hpp"
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#include "setup_swarm.hpp"
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#include "settings.hpp"
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#include <fstream>
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#include <iostream>
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using namespace lt;
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TORRENT_TEST(utp)
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{
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// TODO: 3 simulate packet loss
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// TODO: 3 simulate unpredictible latencies
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// TODO: 3 simulate proper (taildrop) queues (perhaps even RED and BLUE)
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lt::time_point start_time = lt::clock_type::now();
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sim::default_config cfg;
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sim::simulation sim{cfg};
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setup_swarm(2, swarm_test::upload, sim
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// add session
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, [](lt::settings_pack& pack) {
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// force uTP connection
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utp_only(pack);
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}
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// add torrent
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, [](lt::add_torrent_params& params) {
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params.flags |= torrent_flags::seed_mode;
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}
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// on alert
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, [&](lt::alert const*, lt::session& ses) {
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if (!is_seed(ses)) return;
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// if this check fails, there is a performance regression in the protocol,
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// either uTP or bittorrent itself. Be careful with the download request
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// queue size (and make sure it can grow fast enough, to keep up with
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// slow-start) and the send buffer watermark
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TEST_CHECK(lt::clock_type::now() < start_time + lt::milliseconds(8500));
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}
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// terminate
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, [](int const ticks, lt::session&) -> bool
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{
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if (ticks > 100)
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{
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TEST_ERROR("timeout");
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return true;
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}
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return false;
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});
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}
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