forked from premiere/premiere-libtorrent
351 lines
8.6 KiB
C++
351 lines
8.6 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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#include "test.hpp"
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#include "settings.hpp"
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#include "setup_dht.hpp"
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#include "libtorrent/alert_types.hpp"
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#include "libtorrent/alert.hpp"
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#include "libtorrent/time.hpp"
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#include "libtorrent/settings_pack.hpp"
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#include "libtorrent/session_settings.hpp"
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#include "libtorrent/session.hpp"
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#include "libtorrent/session_stats.hpp"
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#include "libtorrent/alert_types.hpp"
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#include "libtorrent/deadline_timer.hpp"
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#include "libtorrent/socket_io.hpp"
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#include "setup_swarm.hpp"
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#include "setup_dht.hpp"
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#include "libtorrent/kademlia/ed25519.hpp"
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#include "libtorrent/bencode.hpp"
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#include "libtorrent/kademlia/item.hpp"
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namespace lt = libtorrent;
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#ifndef TORRENT_DISABLE_DHT
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void bootstrap_session(std::vector<dht_network*> networks, lt::session& ses)
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{
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lt::dht_settings sett;
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sett.ignore_dark_internet = false;
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ses.set_dht_settings(sett);
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lt::entry state;
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for (auto dht : networks)
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{
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// bootstrap off of 8 of the nodes
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auto router_nodes = dht->router_nodes();
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char const* nodes_key;
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if (router_nodes.front().address().is_v6())
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nodes_key = "nodes6";
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else
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nodes_key = "nodes";
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lt::entry::list_type& nodes = state["dht state"][nodes_key].list();
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for (auto const& n : router_nodes)
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{
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std::string node;
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std::back_insert_iterator<std::string> out(node);
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lt::detail::write_endpoint(n, out);
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nodes.push_back(lt::entry(node));
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}
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}
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std::vector<char> buf;
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lt::bencode(std::back_inserter(buf), state);
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lt::bdecode_node e;
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lt::error_code ec;
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lt::bdecode(&buf[0], &buf[0] + buf.size(), e, ec);
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ses.load_state(e);
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lt::settings_pack pack;
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pack.set_bool(lt::settings_pack::enable_dht, true);
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ses.apply_settings(pack);
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}
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#endif // TORRENT_DISABLE_DHT
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TORRENT_TEST(dht_bootstrap)
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{
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#ifndef TORRENT_DISABLE_DHT
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sim::default_config cfg;
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sim::simulation sim{cfg};
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dht_network dht(sim, 1200);
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int routing_table_depth = 0;
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int num_nodes = 0;
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setup_swarm(1, swarm_test::download, sim
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// add session
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, [](lt::settings_pack&) {}
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// add torrent
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, [](lt::add_torrent_params&) {}
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// on alert
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, [&](lt::alert const* a, lt::session&)
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{
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if (lt::dht_stats_alert const* p = lt::alert_cast<lt::dht_stats_alert>(a))
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{
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routing_table_depth = int(p->routing_table.size());
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int c = 0;
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for (auto const& b : p->routing_table)
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{
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c += b.num_nodes;
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c += b.num_replacements;
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}
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num_nodes = c;
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print_routing_table(p->routing_table);
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}
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else if (lt::session_stats_alert const* sa = lt::alert_cast<lt::session_stats_alert>(a))
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{
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int const dht_nodes = lt::find_metric_idx("dht.nodes");
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TEST_CHECK(sa->values[dht_nodes] > 2);
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}
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}
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// terminate?
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, [&](int ticks, lt::session& ses) -> bool
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{
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if (ticks == 0)
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{
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bootstrap_session({&dht}, ses);
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}
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if (ticks > 2)
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{
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ses.post_session_stats();
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std::printf("depth: %d nodes: %d\n", routing_table_depth, num_nodes);
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TEST_CHECK(routing_table_depth >= 8);
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TEST_CHECK(num_nodes >= 50);
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dht.stop();
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return true;
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}
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ses.post_dht_stats();
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return false;
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});
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sim.run();
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#endif // TORRENT_DISABLE_DHT
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}
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TORRENT_TEST(dht_dual_stack_get_peers)
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{
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#ifndef TORRENT_DISABLE_DHT
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sim::default_config cfg;
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sim::simulation sim{ cfg };
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dht_network dht(sim, 100);
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dht_network dht6(sim, 100, dht_network::bind_ipv6);
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lt::sha1_hash const test_ih("01234567890123456789");
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bool got_peer_v4 = false, got_peer_v6 = false;
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setup_swarm(1, swarm_test::download, sim
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// add session
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, [](lt::settings_pack&) {
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}
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// add torrent
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, [](lt::add_torrent_params&) {}
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// on alert
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, [&](lt::alert const* a, lt::session&)
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{
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if (lt::dht_get_peers_reply_alert const* p = lt::alert_cast<lt::dht_get_peers_reply_alert>(a))
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{
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std::vector<lt::tcp::endpoint> peers = p->peers();
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for (lt::tcp::endpoint const& peer : peers)
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{
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// TODO: verify that the endpoint matches the session's
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got_peer_v4 |= peer.address().is_v4();
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got_peer_v6 |= peer.address().is_v6();
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}
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}
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}
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// terminate?
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, [&](int ticks, lt::session& ses) -> bool
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{
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if (ticks == 0)
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{
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bootstrap_session({&dht, &dht6}, ses);
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}
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if (ticks == 2)
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{
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ses.dht_announce(test_ih, 6881);
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}
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if (ticks == 4)
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{
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ses.dht_get_peers(test_ih);
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}
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if (ticks == 6)
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{
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TEST_CHECK(got_peer_v4);
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TEST_CHECK(got_peer_v6);
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return true;
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}
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return false;
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});
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sim.run();
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#endif // TORRENT_DISABLE_DHT
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}
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TORRENT_TEST(dht_dual_stack_immutable_item)
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{
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#ifndef TORRENT_DISABLE_DHT
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sim::default_config cfg;
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sim::simulation sim{ cfg };
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dht_network dht(sim, 100);
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dht_network dht6(sim, 100, dht_network::bind_ipv6);
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lt::sha1_hash item_hash;
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bool got_item = false;
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setup_swarm(1, swarm_test::download, sim
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// add session
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, [](lt::settings_pack&) {
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}
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// add torrent
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, [](lt::add_torrent_params&) {}
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// on alert
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, [&](lt::alert const* a, lt::session&)
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{
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if (lt::dht_immutable_item_alert const* p = lt::alert_cast<lt::dht_immutable_item_alert>(a))
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{
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// we should only get one alert for each request
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TEST_CHECK(!got_item);
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got_item = p->target == item_hash && p->item.string() == "immutable item";
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}
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}
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// terminate?
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, [&](int ticks, lt::session& ses) -> bool
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{
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if (ticks == 0)
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{
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bootstrap_session({&dht, &dht6}, ses);
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}
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if (ticks == 2)
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{
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item_hash = ses.dht_put_item(lt::entry("immutable item"));
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}
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if (ticks == 4)
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{
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ses.dht_get_item(item_hash);
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}
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if (ticks == 6)
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{
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TEST_CHECK(got_item);
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return true;
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}
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return false;
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});
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sim.run();
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#endif // TORRENT_DISABLE_DHT
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}
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TORRENT_TEST(dht_dual_stack_mutable_item)
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{
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#ifndef TORRENT_DISABLE_DHT
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sim::default_config cfg;
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sim::simulation sim{ cfg };
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dht_network dht(sim, 100);
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dht_network dht6(sim, 100, dht_network::bind_ipv6);
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lt::dht::secret_key sk;
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lt::dht::public_key pk;
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int put_count = 0;
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bool got_item = false;
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setup_swarm(1, swarm_test::download, sim
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// add session
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, [](lt::settings_pack&) {
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}
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// add torrent
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, [](lt::add_torrent_params&) {}
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// on alert
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, [&](lt::alert const* a, lt::session&)
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{
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if (lt::dht_mutable_item_alert const* p = lt::alert_cast<lt::dht_mutable_item_alert>(a))
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{
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TEST_CHECK(!got_item);
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if (p->authoritative)
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got_item = p->key == pk.bytes && p->item.string() == "mutable item";
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}
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}
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// terminate?
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, [&](int ticks, lt::session& ses) -> bool
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{
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if (ticks == 0)
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{
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bootstrap_session({&dht, &dht6}, ses);
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}
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if (ticks == 2)
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{
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std::array<char, 32> seed;
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std::tie(pk, sk) = lt::dht::ed25519_create_keypair(seed);
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ses.dht_put_item(pk.bytes, [&](lt::entry& item, std::array<char, 64>& sig
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, std::int64_t& seq, std::string const& salt)
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{
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item = "mutable item";
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seq = 1;
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std::vector<char> v;
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lt::bencode(std::back_inserter(v), item);
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lt::dht::signature sign = lt::dht::sign_mutable_item(v, salt
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, lt::dht::sequence_number(seq), pk, sk);
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put_count++;
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sig = sign.bytes;
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});
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}
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if (ticks == 4)
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{
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// should be one for each stack, ipv4 and ipv6
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TEST_EQUAL(put_count, 2);
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ses.dht_get_item(pk.bytes);
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}
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if (ticks == 6)
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{
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TEST_CHECK(got_item);
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return true;
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}
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return false;
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});
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sim.run();
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#endif // TORRENT_DISABLE_DHT
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}
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