142 lines
4.3 KiB
C++
142 lines
4.3 KiB
C++
/*
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Copyright (c) 2015, 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_SWARM_CONFIG_HPP_INCLUDED
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#define TORRENT_SWARM_CONFIG_HPP_INCLUDED
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#include "libtorrent/torrent_handle.hpp"
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#include "libtorrent/add_torrent_params.hpp"
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#include "libtorrent/time.hpp"
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#include "setup_swarm.hpp"
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#include "settings.hpp"
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#include "setup_transfer.hpp" // for create_torrent
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#include <string>
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#include <fstream>
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using namespace libtorrent;
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namespace lt = libtorrent;
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struct swarm_config : swarm_setup_provider
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{
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swarm_config()
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: m_start_time(lt::clock_type::now())
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{
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m_swarm_id = test_counter();
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error_code ec;
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std::string path = save_path(0);
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create_directory(path, ec);
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if (ec) fprintf(stderr, "failed to create directory: \"%s\": %s\n"
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, path.c_str(), ec.message().c_str());
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std::ofstream file(combine_path(path, "temporary").c_str());
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m_ti = ::create_torrent(&file, 0x4000, 9, false);
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file.close();
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}
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virtual void on_exit(std::vector<torrent_handle> const& torrents) override
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{
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TEST_CHECK(torrents.size() > 0);
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for (int i = 0; i < int(torrents.size()); ++i)
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{
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torrent_status st = torrents[i].status();
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TEST_CHECK(st.is_seeding);
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TEST_CHECK(st.total_upload > 0 || st.total_download > 0);
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}
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}
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// called for every alert. if the simulation is done, return true
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virtual bool on_alert(libtorrent::alert const* alert
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, int session_idx
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, std::vector<libtorrent::torrent_handle> const& torrents
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, libtorrent::session& ses) override
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{
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if (torrents.empty()) return false;
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bool all_are_seeding = true;
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for (int i = 0; i < int(torrents.size()); ++i)
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{
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if (torrents[i].status().is_seeding)
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continue;
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all_are_seeding = false;
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break;
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}
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// if all torrents are seeds, terminate the simulation, we're done
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return all_are_seeding;
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}
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// called for every torrent that's added (and every session that's started).
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// this is useful to give every session a unique save path and to make some
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// sessions seeds and others downloaders
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virtual libtorrent::add_torrent_params add_torrent(int idx) override
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{
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add_torrent_params p;
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p.flags &= ~add_torrent_params::flag_paused;
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p.flags &= ~add_torrent_params::flag_auto_managed;
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p.ti = m_ti;
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p.save_path = save_path(idx);
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return p;
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}
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virtual std::string save_path(int idx) const
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{
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char path[200];
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snprintf(path, sizeof(path), "swarm-%04d-peer-%02d"
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, m_swarm_id, idx);
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return path;
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}
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// called for every session that's added
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virtual libtorrent::settings_pack add_session(int idx) override
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{
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settings_pack pack = settings();
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// make sure the sessions have different peer ids
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lt::peer_id pid;
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std::generate(&pid[0], &pid[0] + 20, &random_byte);
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pack.set_str(lt::settings_pack::peer_fingerprint, pid.to_string());
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return pack;
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}
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protected:
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int m_swarm_id;
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lt::time_point m_start_time;
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boost::shared_ptr<libtorrent::torrent_info> m_ti;
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};
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#endif // TORRENT_SWARM_CONFIG_HPP_INCLUDED
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