/* 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/hasher.hpp" #include "libtorrent/file_pool.hpp" #include "libtorrent/file.hpp" #include "libtorrent/storage.hpp" #include "libtorrent/bencode.hpp" #include "libtorrent/create_torrent.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/torrent_info.hpp" #include "libtorrent/announce_entry.hpp" #include "test.hpp" #include "setup_transfer.hpp" #include "web_seed_suite.hpp" #include "make_torrent.hpp" #include #include #include "setup_transfer.hpp" #include using namespace libtorrent; namespace lt = libtorrent; namespace { int peer_disconnects = 0; bool on_alert(alert const* a) { if (alert_cast(a)) ++peer_disconnects; else if (alert_cast(a)) ++peer_disconnects; return false; } static char const* proxy_name[] = {"", "_socks4", "_socks5", "_socks5_pw", "_http", "_http_pw", "_i2p"}; } // anonymous namespace // proxy: 0=none, 1=socks4, 2=socks5, 3=socks5_pw 4=http 5=http_pw void test_transfer(lt::session& ses, std::shared_ptr torrent_file , int proxy, char const* protocol, bool url_seed , bool chunked_encoding, bool test_ban, bool keepalive, bool proxy_peers) { using namespace libtorrent; TORRENT_ASSERT(torrent_file->web_seeds().size() > 0); std::string save_path = "tmp2_web_seed"; save_path += proxy_name[proxy]; error_code ec; remove_all(save_path, ec); static char const* test_name[] = {"no", "SOCKS4", "SOCKS5", "SOCKS5 password", "HTTP", "HTTP password"}; std::fprintf(stderr, "\n\n ==== TESTING === proxy: %s ==== protocol: %s " "==== seed: %s === transfer-encoding: %s === corruption: %s " "==== keepalive: %s\n\n\n" , test_name[proxy], protocol, url_seed ? "URL seed" : "HTTP seed" , chunked_encoding ? "chunked": "none", test_ban ? "yes" : "no" , keepalive ? "yes" : "no"); int proxy_port = 0; if (proxy) { proxy_port = start_proxy(proxy); if (proxy_port < 0) { std::fprintf(stderr, "failed to start proxy"); return; } settings_pack pack; pack.set_str(settings_pack::proxy_hostname, "127.0.0.1"); pack.set_str(settings_pack::proxy_username, "testuser"); pack.set_str(settings_pack::proxy_password, "testpass"); pack.set_int(settings_pack::proxy_type, (settings_pack::proxy_type_t)proxy); pack.set_int(settings_pack::proxy_port, proxy_port); pack.set_bool(settings_pack::proxy_peer_connections, proxy_peers); ses.apply_settings(pack); } else { settings_pack pack; pack.set_str(settings_pack::proxy_hostname, ""); pack.set_str(settings_pack::proxy_username, ""); pack.set_str(settings_pack::proxy_password, ""); pack.set_int(settings_pack::proxy_type, settings_pack::none); pack.set_int(settings_pack::proxy_port, 0); pack.set_bool(settings_pack::proxy_peer_connections, proxy_peers); ses.apply_settings(pack); } add_torrent_params p; p.flags &= ~add_torrent_params::flag_paused; p.flags &= ~add_torrent_params::flag_auto_managed; // the reason to set sequential download is to make sure that the order in // which files are requested from the web server is consistent. Any specific // scenario that needs testing should be an explicit test case p.flags |= add_torrent_params::flag_sequential_download; p.ti = torrent_file; p.save_path = save_path; torrent_handle th = ses.add_torrent(p, ec); std::printf("adding torrent, save_path = \"%s\" cwd = \"%s\" torrent = \"%s\"\n" , save_path.c_str(), current_working_directory().c_str() , torrent_file->name().c_str()); std::vector empty; th.replace_trackers(empty); const std::int64_t total_size = torrent_file->total_size(); file_storage const& fs = torrent_file->files(); int pad_file_size = 0; for (int i = 0; i < fs.num_files(); ++i) { if (fs.file_flags(i) & file_storage::flag_pad_file) pad_file_size += int(fs.file_size(i)); } peer_disconnects = 0; std::map cnt = get_counters(ses); for (int i = 0; i < 40; ++i) { torrent_status s = th.status(); cnt = get_counters(ses); print_ses_rate(i / 10.f, &s, nullptr); print_alerts(ses, " >> ses", test_ban, false, false, &on_alert); if (test_ban && th.url_seeds().empty() && th.http_seeds().empty()) { std::fprintf(stderr, "testing ban: URL seed removed\n"); // when we don't have any web seeds left, we know we successfully banned it break; } if (s.is_seeding) { std::fprintf(stderr, "SEEDING\n"); std::fprintf(stderr, "session.payload: %d session.redundant: %d\n" , int(cnt["net.recv_payload_bytes"]), int(cnt["net.recv_redundant_bytes"])); std::fprintf(stderr, "torrent.payload: %d torrent.redundant: %d\n" , int(s.total_payload_download), int(s.total_redundant_bytes)); TEST_EQUAL(s.total_payload_download - s.total_redundant_bytes, total_size - pad_file_size); break; } // if the web seed connection is disconnected, we're going to fail // the test. make sure to do so quickly if (!test_ban && keepalive && peer_disconnects >= 1) break; std::this_thread::sleep_for(lt::milliseconds(100)); } cnt = get_counters(ses); if (test_ban) { // for test_ban tests, make sure we removed // the url seed (i.e. banned it) // torrents that don't have very many pieces will not ban the web seeds, // since they won't have an opportunity to accrue enough negative points if (torrent_file->files().num_pieces() > 3) { TEST_CHECK(th.url_seeds().empty()); TEST_CHECK(th.http_seeds().empty()); } } else { // if the web seed sent corrupt data and we banned it, we probably didn't // end up using all the cache anyway torrent_status st = th.status(); TEST_EQUAL(st.is_seeding, true); if (st.is_seeding) { // we need to sleep here a bit to let the session sync with the torrent stats // commented out because it takes such a long time for (int i = 0; i < 50; ++i) { cnt = get_counters(ses); if (cnt["disk.read_cache_blocks"] == (torrent_file->total_size() + 0x3fff) / 0x4000 && cnt["disk.disk_blocks_in_use"] == (torrent_file->total_size() + 0x3fff) / 0x4000) break; std::fprintf(stderr, "cache_size: %d/%d\n", int(cnt["disk.read_cache_blocks"]) , int(cnt["disk.disk_blocks_in_use"])); std::this_thread::sleep_for(lt::milliseconds(100)); } TEST_CHECK(std::abs(int(cnt["disk.disk_blocks_in_use"] - (torrent_file->total_size() + 0x3fff) / 0x4000)) <= 2); } } std::cerr << "total_size: " << total_size << " read cache size: " << cnt["disk.disk_blocks_in_use"] << " total used buffer: " << cnt["disk.disk_blocks_in_use"] << " session total download: " << cnt["net.recv_payload_bytes"] << " torrent total download: " << th.status().total_payload_download << " redundant: " << th.status().total_redundant_bytes << std::endl; // if test_ban is true, we're not supposed to have completed the download // otherwise, we are supposed to have TEST_CHECK(th.status().is_seeding == !test_ban); if (proxy) stop_proxy(proxy_port); th.flush_cache(); // synchronize to make sure the files have been created on disk wait_for_alert(ses, cache_flushed_alert::alert_type, "ses"); print_alerts(ses, " >> ses", true, true, false, &on_alert, true); if (!test_ban) { for (int i = 0; i < fs.num_files(); ++i) { bool const expect = !fs.pad_file_at(i); std::string file_path = combine_path(save_path, fs.file_path(i)); std::fprintf(stderr, "checking file: %s\n", file_path.c_str()); TEST_EQUAL(exists(file_path), expect); } } ses.remove_torrent(th); } // proxy: 0=none, 1=socks4, 2=socks5, 3=socks5_pw 4=http 5=http_pw // protocol: "http" or "https" // test_url_seed determines whether to use url-seed or http-seed int EXPORT run_http_suite(int proxy, char const* protocol, bool test_url_seed , bool chunked_encoding, bool test_ban, bool keepalive, bool test_rename , bool proxy_peers) { using namespace libtorrent; std::string save_path = "web_seed"; save_path += proxy_name[proxy]; error_code ec; int const port = start_web_server(strcmp(protocol, "https") == 0, chunked_encoding, keepalive); std::vector test_cases; if (test_url_seed) { char url[512]; std::snprintf(url, sizeof(url), ("%s://127.0.0.1:%d/" + save_path).c_str(), protocol, port); std::fprintf(stderr, "testing: %s\n", url); create_directories(combine_path(save_path, "torrent_dir"), ec); torrent_args args; // test case 1 test_cases.push_back(torrent_args().file("0").file("5,padfile").file("11") .file("16000").file("368,padfile") .file("16384,padfile").file("16384,padfile").file("17").file("10") .file("8000").file("8000").file("1").file("1").file("1").file("1") .file("1").file("100").file("0").file("1").file("1").file("1") .file("100").file("1").file("1").file("1").file("1").file("1,padfile") .file("1,padfile").file("1,padfile").file("1").file("0").file("0") .file("0").file("1").file("13").file("65000").file("34").file("75") .file("2").file("30").file("400").file("500").file("23000") .file("900").file("43000").file("400").file("4300").file("6") .file("4,padfile") .name("torrent_dir") .url_seed(url)); // test case 2 (the end of the torrent are padfiles) test_cases.push_back(torrent_args() .file("0,padfile") .file("11") .file("5") .file("16000") .file("368,padfile") .file("16384,padfile") .name("torrent_dir") .url_seed(url)); // test case 3 (misaligned) test_cases.push_back(torrent_args() .file("16383") .file("11") .file("5") .file("16000") .name("torrent_dir") .url_seed(url)); // test case 4 (a full piece padfile) test_cases.push_back(torrent_args() .file("32768,padfile") .file("16000") .file("11") .file("5") .name("torrent_dir") .url_seed(url)); // test case 5 (properly aligned padfile) test_cases.push_back(torrent_args() .file("32760") .file("8,padfile") .file("32760") .file("8") .file("32700") .file("68,padfile") .file("32000") .name("torrent_dir") .url_seed(url)); std::snprintf(url, sizeof(url), ("%s://127.0.0.1:%d/" + save_path + "/test-single-file").c_str(), protocol, port); // test case 6 (single file torrent) test_cases.push_back(torrent_args() .file("199092,name=test-single-file") .name("torrent_dir") .url_seed(url)); } else { char url[512]; std::snprintf(url, sizeof(url), "%s://127.0.0.1:%d/%s/seed", protocol, port, save_path.c_str()); std::fprintf(stderr, "testing: %s\n", url); // there's really just one test case for http seeds test_cases.push_back(torrent_args().file("589824,name=seed") .http_seed(url)); } for (int a = 0; a < int(test_cases.size()); ++a) { std::fprintf(stderr, "\n\n ==== test case %d ====\n\n\n", a); std::shared_ptr torrent_file = make_test_torrent(test_cases[a]); // if test_ban is true, we create the files with alternate content (that // doesn't match the hashes in the .torrent file) generate_files(*torrent_file, save_path, test_ban); if (ec) { std::fprintf(stderr, "error creating hashes for test torrent: %s\n" , ec.message().c_str()); TEST_CHECK(false); return 0; } { const int mask = alert::all_categories & ~(alert::progress_notification | alert::performance_warning | alert::stats_notification); settings_pack pack; pack.set_int(settings_pack::max_queued_disk_bytes, 256 * 1024); pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:51000"); pack.set_int(settings_pack::max_retry_port_bind, 1000); pack.set_int(settings_pack::alert_mask, mask); pack.set_bool(settings_pack::enable_lsd, false); pack.set_bool(settings_pack::enable_natpmp, false); pack.set_bool(settings_pack::enable_upnp, false); pack.set_bool(settings_pack::enable_dht, false); libtorrent::session ses(pack, 0); test_transfer(ses, torrent_file, proxy, protocol, test_url_seed , chunked_encoding, test_ban, keepalive, proxy_peers); if (test_url_seed && test_rename) { torrent_file->rename_file(0, combine_path(save_path, combine_path("torrent_dir", "renamed_test1"))); test_transfer(ses, torrent_file, 0, protocol, test_url_seed , chunked_encoding, test_ban, keepalive, proxy_peers); } } } stop_web_server(); return 0; }