/* Copyright (c) 2016, Arvid Norberg All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "libtorrent/session.hpp" #include "libtorrent/torrent_handle.hpp" #include "libtorrent/settings_pack.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/deadline_timer.hpp" #include "settings.hpp" #include "fake_peer.hpp" #include "utils.hpp" #include "create_torrent.hpp" #include "simulator/simulator.hpp" #include "simulator/utils.hpp" #include using namespace sim; using namespace libtorrent; namespace lt = libtorrent; using sim::asio::ip::address_v4; // this is the general template for these tests. create the session with custom // settings (Settings), set up the test, by adding torrents with certain // arguments (Setup), run the test and verify the end state (Test) template void run_test(Setup const& setup, Torrent const& torrent , Test const& test, Check const& check) { // setup the simulation sim::default_config network_cfg; sim::simulation sim{network_cfg}; std::unique_ptr ios = make_io_service(sim, 0); lt::session_proxy zombie; // setup settings pack to use for the session (customization point) lt::settings_pack pack = settings(); // create session std::shared_ptr ses = std::make_shared(pack, *ios); setup(*ses); fake_peer p1(sim, "60.0.0.0"); fake_peer p2(sim, "60.0.0.1"); fake_peer p3(sim, "60.0.0.2"); std::array test_peers = {{ &p1, &p2, &p3 }}; // add torrent lt::add_torrent_params params = create_torrent(0, false); params.flags &= ~lt::add_torrent_params::flag_auto_managed; params.flags &= ~lt::add_torrent_params::flag_paused; ses->async_add_torrent(params); lt::torrent_handle h; print_alerts(*ses, [&](lt::session& ses, lt::alert const* a) { auto at = lt::alert_cast(a); if (at == nullptr) return; h = at->handle; // disable the print_alert object from polling any more alerts ses.set_alert_notify([]{}); torrent(ses, h, test_peers); }); sim::timer t1(sim, lt::seconds(5) , [&](boost::system::error_code const&) { test(*ses, h, test_peers); }); // set up a timer to fire later, to verify everything we expected to happen // happened sim::timer t2(sim, lt::seconds(10) , [&](boost::system::error_code const&) { check(*ses, h, test_peers); // shut down zombie = ses->abort(); ses.reset(); }); sim.run(); } // make sure the torrent disconnects all its peers when it's paused TORRENT_TEST(torrent_paused_disconnect) { run_test( [](lt::session&) {}, [](lt::session&, lt::torrent_handle h, std::array& test_peers) { add_fake_peers(h, 3); }, [](lt::session&, lt::torrent_handle h, std::array& test_peers) { check_accepted(test_peers, {{true, true, true}}); check_connected(test_peers, {{true, true, true}}); check_disconnected(test_peers, {{false, false, false}}); h.pause(); }, [](lt::session&, lt::torrent_handle h, std::array& test_peers) { check_disconnected(test_peers, {{true, true, true}}); TEST_EQUAL(h.status().paused, true); }); } // make sure the torrent disconnects all its peers when the session is paused TORRENT_TEST(session_paused_disconnect) { run_test( [](lt::session&) {}, [](lt::session&, lt::torrent_handle h, std::array&) { add_fake_peers(h, 3); }, [](lt::session& ses, lt::torrent_handle h, std::array& test_peers) { check_accepted(test_peers, {{true, true, true}}); check_connected(test_peers, {{true, true, true}}); check_disconnected(test_peers, {{false, false, false}}); ses.pause(); }, [](lt::session&, lt::torrent_handle h, std::array& test_peers) { check_disconnected(test_peers, {{true, true, true}}); // the torrent isn't paused, the session is TEST_EQUAL(h.status().paused, false); }); } // make sure a torrent is not connecting to any peers when added to a paused // session TORRENT_TEST(paused_session_add_torrent) { run_test( [](lt::session& ses) { ses.pause(); }, [](lt::session&, lt::torrent_handle h, std::array&) { add_fake_peers(h, 3); }, [](lt::session&, lt::torrent_handle, std::array& test_peers) { check_accepted(test_peers, {{false, false, false}}); }, [](lt::session&, lt::torrent_handle h, std::array&) { // the torrent isn't paused, the session is TEST_EQUAL(h.status().paused, false); }); } // make sure the torrent isn't connecting to peers when it's paused TORRENT_TEST(paused_torrent_add_peers) { run_test( [](lt::session&) {}, [](lt::session&, lt::torrent_handle h, std::array&) { h.pause(); add_fake_peers(h, 3); }, [](lt::session&, lt::torrent_handle, std::array& test_peers) { check_accepted(test_peers, {{false, false, false}}); }, [](lt::session&, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, true); }); } // make sure we post the torrent_paused alert when pausing a torrent TORRENT_TEST(torrent_paused_alert) { run_test( [](lt::session&) {}, [](lt::session&, lt::torrent_handle, std::array&) {}, [](lt::session&, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); h.pause(); }, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, true); std::vector alerts; ses.pop_alerts(&alerts); lt::time_point start_time = alerts[0]->timestamp(); int num_resume = 0; int num_paused = 0; for (alert* a : alerts) { std::printf("%-3d %s\n", int(duration_cast(a->timestamp() - start_time).count()), a->message().c_str()); if (lt::alert_cast(a)) ++num_resume; if (lt::alert_cast(a)) ++num_paused; } TEST_EQUAL(num_resume, 0); TEST_EQUAL(num_paused, 1); }); } // make sure we post the torrent_paused alert when pausing the session TORRENT_TEST(session_paused_alert) { run_test( [](lt::session&) {}, [](lt::session&, lt::torrent_handle, std::array&) {}, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); ses.pause(); }, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); std::vector alerts; ses.pop_alerts(&alerts); lt::time_point start_time = alerts[0]->timestamp(); int num_resume = 0; int num_paused = 0; for (alert* a : alerts) { std::printf("%-3d %s\n", int(duration_cast(a->timestamp() - start_time).count()), a->message().c_str()); if (lt::alert_cast(a)) ++num_resume; if (lt::alert_cast(a)) ++num_paused; } TEST_EQUAL(num_resume, 0); TEST_EQUAL(num_paused, 1); }); } // make sure we post both the paused and resumed alert when pausing and resuming // the session. TORRENT_TEST(session_pause_resume) { run_test( [](lt::session&) {}, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); ses.pause(); }, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); ses.resume(); }, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); std::vector alerts; ses.pop_alerts(&alerts); lt::time_point start_time = alerts[0]->timestamp(); int num_resume = 0; int num_paused = 0; for (alert* a : alerts) { std::printf("%-3d %s\n", int(duration_cast(a->timestamp() - start_time).count()), a->message().c_str()); if (lt::alert_cast(a)) ++num_resume; if (lt::alert_cast(a)) ++num_paused; } TEST_EQUAL(num_resume, 1); TEST_EQUAL(num_paused, 1); }); } // make sure peers added to a (non-paused) torrent in a paused session are // connected once the session is resumed TORRENT_TEST(session_pause_resume_connect) { run_test( [](lt::session&) {}, [](lt::session& ses, lt::torrent_handle h, std::array&) { TEST_EQUAL(h.status().paused, false); ses.pause(); add_fake_peers(h, 3); }, [](lt::session& ses, lt::torrent_handle h, std::array& test_peers) { TEST_EQUAL(h.status().paused, false); check_accepted(test_peers, {{false, false, false}}); ses.resume(); }, [](lt::session&, lt::torrent_handle h, std::array& test_peers) { TEST_EQUAL(h.status().paused, false); check_accepted(test_peers, {{true, true, true}}); }); }