/* Copyright (c) 2008, 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. */ #ifndef TORRENT_DISABLE_EXTENSIONS #include "libtorrent/session.hpp" #include "libtorrent/session_settings.hpp" #include "libtorrent/hasher.hpp" #include "libtorrent/extensions/ut_pex.hpp" #include "libtorrent/thread.hpp" #include "libtorrent/ip_filter.hpp" #include #include "test.hpp" #include "setup_transfer.hpp" #include void test_pex() { using namespace libtorrent; namespace lt = libtorrent; // these are declared before the session objects // so that they are destructed last. This enables // the sessions to destruct in parallel session_proxy p1; session_proxy p2; session_proxy p3; int mask = alert::all_categories & ~(alert::progress_notification | alert::performance_warning | alert::stats_notification); // this is to avoid everything finish from a single peer // immediately. To make the swarm actually connect all // three peers before finishing. settings_pack pack; pack.set_int(settings_pack::alert_mask, mask); pack.set_int(settings_pack::download_rate_limit, 2000); pack.set_int(settings_pack::upload_rate_limit, 2000); pack.set_int(settings_pack::max_retry_port_bind, 800); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:48200"); pack.set_int(settings_pack::out_enc_policy, settings_pack::pe_forced); pack.set_int(settings_pack::in_enc_policy, settings_pack::pe_forced); lt::session ses1(pack, fingerprint("LT", 0, 1, 0, 0)); // treat all IPs the same, i.e. enable rate limiting for local peers ip_filter f; f.add_rule(address_v4::from_string("0.0.0.0"), address_v4::from_string("255.255.255.255"), 1 << lt::session::global_peer_class_id); peer_class_info pc = ses1.get_peer_class(lt::session::global_peer_class_id); TEST_EQUAL(pc.upload_limit, 2000); TEST_EQUAL(pc.download_limit, 2000); ses1.set_peer_class(lt::session::local_peer_class_id, pc); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:49200"); lt::session ses3(pack, fingerprint("LT", 0, 1, 0, 0)); ses3.set_peer_class(lt::session::local_peer_class_id, pc); // make the peer connecting the two worthless to transfer // data, to force peer 3 to connect directly to peer 1 through pex pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:50200"); lt::session ses2(pack, fingerprint("LT", 0, 1, 0, 0)); ses2.set_peer_class(lt::session::local_peer_class_id, pc); ses1.add_extension(create_ut_pex_plugin); ses2.add_extension(create_ut_pex_plugin); torrent_handle tor1; torrent_handle tor2; torrent_handle tor3; boost::tie(tor1, tor2, tor3) = setup_transfer(&ses1, &ses2, &ses3, true, false, false, "_pex"); ses2.apply_settings(pack); test_sleep(100); // in this test, ses1 is a seed, ses2 is connected to ses1 and ses3. // the expected behavior is that ses2 will introduce ses1 and ses3 to each other error_code ec; tor2.connect_peer(tcp::endpoint(address::from_string("127.0.0.1", ec), ses1.listen_port())); tor2.connect_peer(tcp::endpoint(address::from_string("127.0.0.1", ec), ses3.listen_port())); torrent_status st1; torrent_status st2; torrent_status st3; for (int i = 0; i < 80; ++i) { print_alerts(ses1, "ses1"); print_alerts(ses2, "ses2"); print_alerts(ses3, "ses3"); st1 = tor1.status(); st2 = tor2.status(); st3 = tor3.status(); print_ses_rate(i / 10.f, &st1, &st2, &st3); // this is the success condition if (st1.num_peers == 2 && st2.num_peers == 2 && st3.num_peers == 2) break; // this suggests that we failed. If session 3 completes without // actually connecting to session 1, everything was transferred // through session 2 if (st3.state == torrent_status::seeding) break; test_sleep(100); } TEST_CHECK(st1.num_peers == 2 && st2.num_peers == 2 && st3.num_peers == 2) if (!tor2.status().is_seeding && tor3.status().is_seeding) std::cerr << "done\n"; // this allows shutting down the sessions in parallel p1 = ses1.abort(); p2 = ses2.abort(); p3 = ses3.abort(); } int test_main() { using namespace libtorrent; // in case the previous run was terminated error_code ec; remove_all("tmp1_pex", ec); remove_all("tmp2_pex", ec); remove_all("tmp3_pex", ec); test_pex(); remove_all("tmp1_pex", ec); remove_all("tmp2_pex", ec); remove_all("tmp3_pex", ec); return 0; } #else int test_main() { return 0; } #endif // TORRENT_DISABLE_EXTENSIONS