/* 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 #include "test.hpp" #include "create_torrent.hpp" #include "settings.hpp" #include "libtorrent/session.hpp" #include "libtorrent/session_stats.hpp" #include "libtorrent/settings_pack.hpp" #include "libtorrent/ip_filter.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/aux_/proxy_settings.hpp" #include "libtorrent/random.hpp" #include "libtorrent/settings_pack.hpp" #include "simulator/simulator.hpp" #include "simulator/socks_server.hpp" #include "simulator/utils.hpp" #include "setup_swarm.hpp" #include "utils.hpp" #include "setup_transfer.hpp" // for addr() using namespace sim; #if defined _MSC_VER && _ITERATOR_DEBUG_LEVEL > 0 // https://developercommunity.visualstudio.com/content/problem/140200/c-stl-stdvector-constructor-declared-with-noexcept.html #error "msvc's standard library does not support bad_alloc with debug iterators. This test only works with debug iterators disabled on msvc. _ITERATOR_DEBUG_LEVEL=0" #endif std::string make_ep_string(char const* address, bool const is_v6 , char const* port) { std::string ret; if (is_v6) ret += '['; ret += address; if (is_v6) ret += ']'; ret += ':'; ret += port; return ret; } template void run_test(HandleAlerts const& on_alert, Test const& test) { using namespace lt; using asio::ip::address; address const peer0 = addr("50.0.0.1"); address const peer1 = addr("50.0.0.2"); // setup the simulation sim::default_config network_cfg; sim::simulation sim{network_cfg}; sim::asio::io_service ios0 { sim, peer0 }; sim::asio::io_service ios1 { sim, peer1 }; lt::session_proxy zombie[2]; // setup settings pack to use for the session (customization point) lt::settings_pack pack = settings(); // disable utp by default pack.set_bool(settings_pack::enable_outgoing_utp, false); pack.set_bool(settings_pack::enable_incoming_utp, false); // disable encryption by default pack.set_bool(settings_pack::prefer_rc4, false); pack.set_int(settings_pack::in_enc_policy, settings_pack::pe_disabled); pack.set_int(settings_pack::out_enc_policy, settings_pack::pe_disabled); pack.set_int(settings_pack::allowed_enc_level, settings_pack::pe_plaintext); pack.set_str(settings_pack::listen_interfaces, peer0.to_string() + ":6881"); // create session std::shared_ptr ses[2]; ses[0] = std::make_shared(pack, ios0); pack.set_str(settings_pack::listen_interfaces, peer1.to_string() + ":6881"); ses[1] = std::make_shared(pack, ios1); // only monitor alerts for session 0 (the downloader) print_alerts(*ses[0], [=](lt::session& ses, lt::alert const* a) { if (auto ta = alert_cast(a)) { ta->handle.connect_peer(lt::tcp::endpoint(peer1, 6881)); } on_alert(ses, a); }); print_alerts(*ses[1]); // the first peer is a downloader, the second peer is a seed lt::add_torrent_params params = ::create_torrent(1); params.flags &= ~lt::torrent_flags::auto_managed; params.flags &= ~lt::torrent_flags::paused; params.save_path = save_path(0); ses[0]->async_add_torrent(params); params.save_path = save_path(1); ses[1]->async_add_torrent(params); sim::timer t(sim, lt::seconds(60), [&](boost::system::error_code const&) { test(ses); // shut down int idx = 0; for (auto& s : ses) { zombie[idx++] = s->abort(); s.reset(); } }); sim.run(); } int g_alloc_counter = 1000000; void* operator new(std::size_t sz) { if (--g_alloc_counter == 0) { char stack[10000]; libtorrent::print_backtrace(stack, sizeof(stack), 40, nullptr); #ifdef _MSC_VER // this is a bit unfortunate. Some MSVC standard containers really don't move // with noexcept, by actually allocating memory (i.e. it's not just a matter // of accidentally missing noexcept specifiers). The heterogeneous queue used // by the alert manager requires alerts to be noexcept move constructable and // move assignable, which they claim to be, even though on MSVC some of them // aren't. Things will improve in C++17 and it doesn't seem worth the trouble // to make the heterogeneous queue support throwing moves, nor to replace all // standard types with variants that can move noexcept. if (std::strstr(stack, " libtorrent::entry::operator= ") != nullptr || std::strstr(stack, " libtorrent::aux::noexcept_movable[2]) {} ); } catch (std::bad_alloc const&) { // this is kind of expected } catch (boost::system::system_error const& err) { TEST_ERROR("session constructor terminated with unexpected exception. \"" + err.code().message() + "\" round: " + std::to_string(i)); break; } catch (std::exception const& err) { TEST_ERROR("session constructor terminated with unexpected exception. \"" + std::string(err.what()) + "\" round: " + std::to_string(i)); break; } catch (...) { TEST_ERROR("session constructor terminated with unexpected exception. round: " + std::to_string(i)); break; } // if we didn't fail any allocations this run, there's no need to // continue, we won't exercise any new code paths if (g_alloc_counter > 0) break; } // if this fails, we need to raise the limit in the loop above TEST_CHECK(g_alloc_counter > 0); // we don't want any part of the actual test framework to suffer from failed // allocations, so bump the counter g_alloc_counter = 1000000; }