/* Copyright (c) 2008-2013, 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/session_settings.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/bencode.hpp" #include "libtorrent/time.hpp" #include "libtorrent/aux_/path.hpp" #include "libtorrent/torrent_info.hpp" #include "libtorrent/read_resume_data.hpp" #include "libtorrent/write_resume_data.hpp" #include #include #include "test.hpp" #include "test_utils.hpp" #include "setup_transfer.hpp" #include "settings.hpp" #include #include using namespace lt; using std::ignore; namespace { int peer_disconnects = 0; bool on_alert(alert const* a) { auto const* const pd = alert_cast(a); if (pd && pd->error != make_error_code(errors::self_connection)) ++peer_disconnects; else if (alert_cast(a)) ++peer_disconnects; return false; } void cleanup() { error_code ec; remove_all("tmp1_priority", ec); remove_all("tmp2_priority", ec); remove_all("tmp1_priority_moved", ec); remove_all("tmp2_priority_moved", ec); } void test_transfer(settings_pack const& sett, bool test_deprecated = false) { // this allows shutting down the sessions in parallel std::vector sp; cleanup(); lt::settings_pack pack = sett; // we need a short reconnect time since we // finish the torrent and then restart it // immediately to complete the second half. // using a reconnect time > 0 will just add // to the time it will take to complete the test pack.set_int(settings_pack::min_reconnect_time, 0); pack.set_bool(settings_pack::enable_outgoing_utp, false); pack.set_bool(settings_pack::enable_incoming_utp, false); pack.set_int(settings_pack::out_enc_policy, settings_pack::pe_disabled); pack.set_int(settings_pack::in_enc_policy, settings_pack::pe_disabled); pack.set_bool(settings_pack::allow_multiple_connections_per_ip, false); pack.set_int(settings_pack::unchoke_slots_limit, 8); pack.set_bool(settings_pack::enable_upnp, false); pack.set_bool(settings_pack::enable_natpmp, false); pack.set_bool(settings_pack::enable_lsd, false); pack.set_bool(settings_pack::enable_dht, false); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:48075"); #if TORRENT_ABI_VERSION == 1 pack.set_bool(settings_pack::rate_limit_utp, true); #endif lt::session ses1(pack); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:49075"); lt::session ses2(pack); torrent_handle tor1; torrent_handle tor2; error_code ec; create_directory("tmp1_priority", ec); std::ofstream file("tmp1_priority/temporary"); std::shared_ptr t = ::create_torrent(&file, "temporary", 16 * 1024, 13, false); file.close(); wait_for_listen(ses1, "ses1"); wait_for_listen(ses2, "ses2"); peer_disconnects = 0; // test using piece sizes smaller than 16kB std::tie(tor1, tor2, ignore) = setup_transfer(&ses1, &ses2, nullptr , true, false, true, "_priority", 8 * 1024, &t, false, nullptr); int const num_pieces = tor2.torrent_file()->num_pieces(); aux::vector priorities(std::size_t(num_pieces), 1_pri); // set half of the pieces to priority 0 std::fill(priorities.begin(), priorities.begin() + (num_pieces / 2), 0_pri); tor2.prioritize_pieces(priorities); std::cout << "setting priorities: "; for (auto p : priorities) std::cout << int(static_cast(p)) << " "; std::cout << '\n'; for (int i = 0; i < 200; ++i) { print_alerts(ses1, "ses1", true, true, &on_alert); print_alerts(ses2, "ses2", true, true, &on_alert); torrent_status st1 = tor1.status(); torrent_status st2 = tor2.status(); if (i % 10 == 0) { print_ses_rate(i / 10.f, &st1, &st2); } // st2 is finished when we have downloaded half of the pieces if (st2.is_finished) break; if (st2.state != torrent_status::downloading) { static char const* state_str[] = {"checking (q)", "checking", "dl metadata" , "downloading", "finished", "seeding", "allocating", "checking (r)"}; std::cout << "st2 state: " << state_str[st2.state] << std::endl; } TEST_CHECK(st1.state == torrent_status::seeding || st1.state == torrent_status::checking_resume_data || st1.state == torrent_status::checking_files); TEST_CHECK(st2.state == torrent_status::downloading || st2.state == torrent_status::checking_resume_data); if (peer_disconnects >= 2) { std::printf("too many disconnects (%d), exiting\n", peer_disconnects); break; } // if nothing is being transferred after 3 seconds, we're failing the test if (st1.upload_payload_rate == 0 && i > 30) { std::cout << "no upload in " << (i / 10) << " seconds, failing\n"; break; } std::this_thread::sleep_for(lt::milliseconds(100)); } TEST_CHECK(!tor2.status().is_seeding); TEST_CHECK(tor2.status().is_finished); if (tor2.status().is_finished) std::cout << "torrent is finished (50% complete)" << std::endl; else return; std::vector priorities2 = tor2.get_piece_priorities(); std::copy(priorities2.begin(), priorities2.end() , std::ostream_iterator(std::cout, ", ")); std::cout << std::endl; TEST_CHECK(std::equal(priorities.begin(), priorities.end(), priorities2.begin())); std::cout << "force recheck" << std::endl; tor2.force_recheck(); priorities2 = tor2.get_piece_priorities(); std::copy(priorities2.begin(), priorities2.end() , std::ostream_iterator(std::cout, ", ")); std::cout << std::endl; TEST_CHECK(std::equal(priorities.begin(), priorities.end(), priorities2.begin())); peer_disconnects = 0; // when we're done checking, we're likely to be put in downloading state // for a split second before transitioning to finished. This loop waits // for the finished state torrent_status st2; for (int i = 0; i < 50; ++i) { print_alerts(ses1, "ses1", true, true, &on_alert); print_alerts(ses2, "ses2", true, true, &on_alert); st2 = tor2.status(); if (i % 10 == 0) { std::cout << int(st2.progress * 100) << "% " << std::endl; } if (st2.state == torrent_status::finished) break; std::this_thread::sleep_for(lt::milliseconds(100)); } TEST_EQUAL(st2.state, torrent_status::finished); if (st2.state != torrent_status::finished) return; std::cout << "recheck complete" << std::endl; priorities2 = tor2.get_piece_priorities(); std::copy(priorities2.begin(), priorities2.end(), std::ostream_iterator(std::cout, ", ")); std::cout << std::endl; TEST_CHECK(std::equal(priorities.begin(), priorities.end(), priorities2.begin())); tor2.pause(); wait_for_alert(ses2, torrent_paused_alert::alert_type, "ses2"); std::printf("save resume data\n"); tor2.save_resume_data(); std::vector resume_data; time_point start = clock_type::now(); while (true) { ses2.wait_for_alert(seconds(10)); std::vector alerts; ses2.pop_alerts(&alerts); if (alerts.empty()) break; for (std::vector::iterator i = alerts.begin() , end(alerts.end()); i != end; ++i) { alert* a = *i; std::cout << "ses2: " << a->message() << std::endl; if (alert_cast(a)) { resume_data = write_resume_data_buf(alert_cast(a)->params); std::printf("saved resume data\n"); goto done; } else if (alert_cast(a)) { std::printf("save resume failed\n"); goto done; } if (total_seconds(clock_type::now() - start) > 10) goto done; } } done: TEST_CHECK(resume_data.size()); if (resume_data.empty()) return; std::printf("%s\n", &resume_data[0]); ses2.remove_torrent(tor2); std::cout << "removed" << std::endl; std::this_thread::sleep_for(lt::milliseconds(100)); std::cout << "re-adding" << std::endl; add_torrent_params p; TORRENT_UNUSED(test_deprecated); #if TORRENT_ABI_VERSION == 1 if (test_deprecated) { p.resume_data = resume_data; } else #endif { error_code ec1; p = read_resume_data(resume_data, ec1); TEST_CHECK(!ec1); } p.flags &= ~torrent_flags::paused; p.flags &= ~torrent_flags::auto_managed; p.ti = t; p.save_path = "tmp2_priority"; tor2 = ses2.add_torrent(p, ec); tor2.prioritize_pieces(priorities); std::cout << "resetting priorities" << std::endl; tor2.resume(); // wait for torrent 2 to settle in back to finished state (it will // start as checking) torrent_status st1; for (int i = 0; i < 5; ++i) { print_alerts(ses1, "ses1", true, true, &on_alert); print_alerts(ses2, "ses2", true, true, &on_alert); st1 = tor1.status(); st2 = tor2.status(); TEST_CHECK(st1.state == torrent_status::seeding); if (st2.is_finished) break; std::this_thread::sleep_for(lt::milliseconds(100)); } // torrent 2 should not be seeding yet, it should // just be 50% finished TEST_CHECK(!st2.is_seeding); TEST_CHECK(st2.is_finished); std::fill(priorities.begin(), priorities.end(), 1_pri); tor2.prioritize_pieces(priorities); std::cout << "setting priorities to 1" << std::endl; TEST_EQUAL(tor2.status().is_finished, false); std::copy(priorities.begin(), priorities.end() , std::ostream_iterator(std::cout, ", ")); std::cout << std::endl; // drain alerts print_alerts(ses1, "ses1", true, true, &on_alert); print_alerts(ses2, "ses2", true, true, &on_alert); peer_disconnects = 0; // this loop makes sure ses2 reconnects to the peer now that it's // in download mode again. If this fails, the reconnect logic may // not work or be inefficient st1 = tor1.status(); st2 = tor2.status(); for (int i = 0; i < 130; ++i) { print_alerts(ses1, "ses1", true, true, &on_alert); print_alerts(ses2, "ses2", true, true, &on_alert); st1 = tor1.status(); st2 = tor2.status(); if (i % 10 == 0) print_ses_rate(i / 10.f, &st1, &st2); if (st2.is_seeding) break; TEST_EQUAL(st1.state, torrent_status::seeding); TEST_EQUAL(st2.state, torrent_status::downloading); if (peer_disconnects >= 2) { std::printf("too many disconnects (%d), exiting\n", peer_disconnects); break; } std::this_thread::sleep_for(lt::milliseconds(100)); } st2 = tor2.status(); if (!st2.is_seeding) std::printf("ses2 failed to reconnect to ses1!\n"); TEST_CHECK(st2.is_seeding); sp.push_back(ses1.abort()); sp.push_back(ses2.abort()); } } // anonymous namespace TORRENT_TEST(priority) { using namespace lt; settings_pack p = settings(); test_transfer(p); cleanup(); } #if TORRENT_ABI_VERSION == 1 TORRENT_TEST(priority_deprecated) { using namespace lt; settings_pack p = settings(); test_transfer(p, true); cleanup(); } #endif // test to set piece and file priority on a torrent that doesn't have metadata // yet TORRENT_TEST(no_metadata_prioritize_files) { lt::session ses(settings()); add_torrent_params addp; addp.flags &= ~torrent_flags::paused; addp.flags &= ~torrent_flags::auto_managed; addp.info_hash = sha1_hash("abababababababababab"); addp.save_path = "."; torrent_handle h = ses.add_torrent(addp); std::vector prios(3); prios[0] = lt::dont_download; h.prioritize_files(prios); // TODO 2: this should wait for an alert instead of just sleeping std::this_thread::sleep_for(lt::milliseconds(100)); TEST_CHECK(h.get_file_priorities() == prios); prios[0] = lt::low_priority; h.prioritize_files(prios); std::this_thread::sleep_for(lt::milliseconds(100)); TEST_CHECK(h.get_file_priorities() == prios); ses.remove_torrent(h); } TORRENT_TEST(no_metadata_file_prio) { lt::session ses(settings()); add_torrent_params addp; addp.flags &= ~torrent_flags::paused; addp.flags &= ~torrent_flags::auto_managed; addp.info_hash = sha1_hash("abababababababababab"); addp.save_path = "."; torrent_handle h = ses.add_torrent(addp); h.file_priority(file_index_t(0), 0_pri); // TODO 2: this should wait for an alert instead of just sleeping std::this_thread::sleep_for(lt::milliseconds(100)); TEST_EQUAL(h.file_priority(file_index_t(0)), 0_pri); h.file_priority(file_index_t(0), 1_pri); std::this_thread::sleep_for(lt::milliseconds(100)); TEST_EQUAL(h.file_priority(file_index_t(0)), 1_pri); ses.remove_torrent(h); } TORRENT_TEST(no_metadata_piece_prio) { lt::session ses(settings()); add_torrent_params addp; addp.flags &= ~torrent_flags::paused; addp.flags &= ~torrent_flags::auto_managed; addp.info_hash = sha1_hash("abababababababababab"); addp.save_path = "."; torrent_handle h = ses.add_torrent(addp); // you can't set piece priorities before the metadata has been downloaded h.piece_priority(piece_index_t(2), 0_pri); TEST_EQUAL(h.piece_priority(piece_index_t(2)), 4_pri); h.piece_priority(piece_index_t(2), 1_pri); TEST_EQUAL(h.piece_priority(piece_index_t(2)), 4_pri); ses.remove_torrent(h); } TORRENT_TEST(export_file_while_seed) { settings_pack pack = settings(); lt::session ses(pack); error_code ec; create_directory("tmp2_priority", ec); std::ofstream file("tmp2_priority/temporary"); auto t = ::create_torrent(&file, "temporary", 16 * 1024, 13, false); file.close(); add_torrent_params addp; addp.flags &= ~torrent_flags::paused; addp.flags &= ~torrent_flags::auto_managed; addp.save_path = "."; addp.ti = t; torrent_handle h = ses.add_torrent(addp); // write to the partfile h.file_priority(file_index_t{0}, lt::dont_download); std::vector piece(16 * 1024); for (int i = 0; i < int(piece.size()); ++i) piece[std::size_t(i)] = char((i % 26) + 'A'); for (piece_index_t i : t->piece_range()) h.add_piece(i, piece.data()); TEST_CHECK(!exists("temporary")); for (int i = 0; i < 10; ++i) { if (h.status().is_seeding) break; std::this_thread::sleep_for(lt::milliseconds(100)); } TEST_EQUAL(h.status().is_seeding, true); // this should cause the file to be exported h.file_priority(file_index_t{0}, lt::low_priority); for (int i = 0; i < 10; ++i) { if (h.file_priority(file_index_t{0}) == lt::low_priority) break; std::this_thread::sleep_for(lt::milliseconds(100)); } TEST_CHECK(exists("temporary")); } TORRENT_TEST(test_piece_priority_after_resume) { auto const new_prio = lt::low_priority; add_torrent_params p; auto ti = generate_torrent(); { auto const prio = top_priority; p.save_path = "."; p.ti = ti; p.file_priorities.resize(1, prio); lt::session ses(settings()); torrent_handle h = ses.add_torrent(p); TEST_EQUAL(h.piece_priority(piece_index_t{0}), prio); using prio_vec = std::vector>; h.prioritize_pieces(prio_vec{{piece_index_t{0}, new_prio}}); TEST_EQUAL(h.piece_priority(piece_index_t{0}), new_prio); ses.pause(); h.save_resume_data(); alert const* a = wait_for_alert(ses, save_resume_data_alert::alert_type); save_resume_data_alert const* rd = alert_cast(a); p = rd->params; } { p.save_path = "."; p.ti = ti; lt::session ses(settings()); torrent_handle h = ses.add_torrent(p); TEST_EQUAL(h.piece_priority(piece_index_t{0}), new_prio); } }