/* Copyright (c) 2003, 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 // for snprintf #include // for atoi #include #include #include "libtorrent/config.hpp" #ifdef TORRENT_WINDOWS #include // for _mkdir and _getcwd #include // for _stat #include #endif #include "libtorrent/extensions/ut_metadata.hpp" #include "libtorrent/extensions/ut_pex.hpp" #include "libtorrent/extensions/smart_ban.hpp" #include "libtorrent/aux_/max_path.hpp" #include "libtorrent/torrent_info.hpp" #include "libtorrent/announce_entry.hpp" #include "libtorrent/entry.hpp" #include "libtorrent/bencode.hpp" #include "libtorrent/session.hpp" #include "libtorrent/identify_client.hpp" #include "libtorrent/alert_types.hpp" #include "libtorrent/ip_filter.hpp" #include "libtorrent/magnet_uri.hpp" #include "libtorrent/bitfield.hpp" #include "libtorrent/peer_info.hpp" #include "libtorrent/bdecode.hpp" #include "libtorrent/add_torrent_params.hpp" #include "libtorrent/time.hpp" #include "libtorrent/create_torrent.hpp" #include "libtorrent/read_resume_data.hpp" #include "torrent_view.hpp" #include "session_view.hpp" #include "print.hpp" using libtorrent::total_milliseconds; void sleep_ms(int milliseconds) { #if defined TORRENT_WINDOWS || defined TORRENT_CYGWIN Sleep(milliseconds); #elif defined TORRENT_BEOS snooze_until(system_time() + std::int64_t(milliseconds) * 1000, B_SYSTEM_TIMEBASE); #else usleep(milliseconds * 1000); #endif } #ifdef _WIN32 #include #include bool sleep_and_input(int* c, int sleep) { for (int i = 0; i < 2; ++i) { if (_kbhit()) { *c = _getch(); return true; } Sleep(sleep / 2); } return false; }; #else #include #include #include #include struct set_keypress { set_keypress() { termios new_settings; tcgetattr(0,&stored_settings); new_settings = stored_settings; // Disable canonical mode, and set buffer size to 1 byte // and disable echo new_settings.c_lflag &= ~(ICANON | ECHO); new_settings.c_cc[VTIME] = 0; new_settings.c_cc[VMIN] = 1; tcsetattr(0,TCSANOW,&new_settings); } ~set_keypress() { tcsetattr(0,TCSANOW,&stored_settings); } termios stored_settings; }; bool sleep_and_input(int* c, int sleep) { libtorrent::time_point const start = libtorrent::clock_type::now(); int ret = 0; retry: fd_set set; FD_ZERO(&set); FD_SET(0, &set); timeval tv = {sleep/ 1000, (sleep % 1000) * 1000 }; ret = select(1, &set, nullptr, nullptr, &tv); if (ret > 0) { *c = getc(stdin); return true; } if (errno == EINTR) { if (total_milliseconds(libtorrent::clock_type::now() - start) < sleep) goto retry; return false; } if (ret < 0 && errno != 0 && errno != ETIMEDOUT) { std::fprintf(stderr, "select failed: %s\n", strerror(errno)); sleep_ms(500); } return false; } #endif bool print_trackers = false; bool print_peers = false; bool print_log = false; bool print_downloads = false; bool print_matrix = false; bool print_file_progress = false; bool show_pad_files = false; bool show_dht_status = false; bool sequential_download = false; bool print_ip = true; bool print_timers = false; bool print_block = false; bool print_peer_rate = false; bool print_fails = false; bool print_send_bufs = true; bool print_disk_stats = false; // the number of times we've asked to save resume data // without having received a response (successful or failure) int num_outstanding_resume_data = 0; #ifndef TORRENT_DISABLE_DHT std::vector dht_active_requests; std::vector dht_routing_table; #endif torrent_view view; session_view ses_view; std::string to_hex(lt::sha1_hash const& s) { std::stringstream ret; ret << s; return ret.str(); } int load_file(std::string const& filename, std::vector& v , libtorrent::error_code& ec, int limit = 8000000) { ec.clear(); FILE* f = std::fopen(filename.c_str(), "rb"); if (f == nullptr) { ec.assign(errno, boost::system::system_category()); return -1; } int r = fseek(f, 0, SEEK_END); if (r != 0) { ec.assign(errno, boost::system::system_category()); std::fclose(f); return -1; } long s = ftell(f); if (s < 0) { ec.assign(errno, boost::system::system_category()); std::fclose(f); return -1; } if (s > limit) { std::fclose(f); return -2; } r = fseek(f, 0, SEEK_SET); if (r != 0) { ec.assign(errno, boost::system::system_category()); std::fclose(f); return -1; } v.resize(s); if (s == 0) { std::fclose(f); return 0; } r = int(std::fread(&v[0], 1, v.size(), f)); if (r < 0) { ec.assign(errno, boost::system::system_category()); std::fclose(f); return -1; } std::fclose(f); if (r != s) return -3; return 0; } bool is_absolute_path(std::string const& f) { if (f.empty()) return false; #if defined(TORRENT_WINDOWS) || defined(TORRENT_OS2) int i = 0; // match the xx:\ or xx:/ form while (f[i] && strchr("abcdefghijklmnopqrstuvxyz", f[i])) ++i; if (i < int(f.size()-1) && f[i] == ':' && (f[i+1] == '\\' || f[i+1] == '/')) return true; // match the \\ form if (int(f.size()) >= 2 && f[0] == '\\' && f[1] == '\\') return true; return false; #else if (f[0] == '/') return true; return false; #endif } std::string leaf_path(std::string f) { if (f.empty()) return ""; char const* first = f.c_str(); char const* sep = strrchr(first, '/'); #if defined(TORRENT_WINDOWS) || defined(TORRENT_OS2) char const* altsep = strrchr(first, '\\'); if (sep == 0 || altsep > sep) sep = altsep; #endif if (sep == nullptr) return f; if (sep - first == int(f.size()) - 1) { // if the last character is a / (or \) // ignore it int len = 0; while (sep > first) { --sep; if (*sep == '/' #if defined(TORRENT_WINDOWS) || defined(TORRENT_OS2) || *sep == '\\' #endif ) return std::string(sep + 1, len); ++len; } return std::string(first, len); } return std::string(sep + 1); } std::string path_append(std::string const& lhs, std::string const& rhs) { if (lhs.empty() || lhs == ".") return rhs; if (rhs.empty() || rhs == ".") return lhs; #if defined(TORRENT_WINDOWS) || defined(TORRENT_OS2) #define TORRENT_SEPARATOR "\\" bool need_sep = lhs[lhs.size()-1] != '\\' && lhs[lhs.size()-1] != '/'; #else #define TORRENT_SEPARATOR "/" bool need_sep = lhs[lhs.size()-1] != '/'; #endif return lhs + (need_sep?TORRENT_SEPARATOR:"") + rhs; } bool is_hex(char const *in, int len) { for (char const* end = in + len; in < end; ++in) { if (*in >= '0' && *in <= '9') continue; if (*in >= 'A' && *in <= 'F') continue; if (*in >= 'a' && *in <= 'f') continue; return false; } return true; } std::string print_endpoint(libtorrent::tcp::endpoint const& ep) { using namespace libtorrent; error_code ec; char buf[200]; address const& addr = ep.address(); #if TORRENT_USE_IPV6 if (addr.is_v6()) std::snprintf(buf, sizeof(buf), "[%s]:%d", addr.to_string(ec).c_str(), ep.port()); else #endif std::snprintf(buf, sizeof(buf), "%s:%d", addr.to_string(ec).c_str(), ep.port()); return buf; } struct torrent_entry { explicit torrent_entry(libtorrent::torrent_handle h) : handle(std::move(h)) {} libtorrent::torrent_handle handle; libtorrent::torrent_status status; }; // maps filenames to torrent_handles typedef std::map handles_t; typedef std::map files_t; files_t hash_to_filename; using libtorrent::torrent_status; bool yes(libtorrent::torrent_status const&) { return true; } FILE* g_log_file = nullptr; int peer_index(libtorrent::tcp::endpoint addr, std::vector const& peers) { using namespace libtorrent; std::vector::const_iterator i = std::find_if(peers.begin(), peers.end() , [&addr](peer_info const& pi) { return pi.ip == addr; }); if (i == peers.end()) return -1; return int(i - peers.begin()); } // returns the number of lines printed int print_peer_info(std::string& out , std::vector const& peers, int max_lines) { using namespace libtorrent; int pos = 0; if (print_ip) out += "IP "; out += "progress down (total | peak ) up (total | peak ) sent-req tmo bsy rcv flags dn up source "; if (print_fails) out += "fail hshf "; if (print_send_bufs) out += "rq sndb (recvb |alloc | wmrk ) q-bytes "; if (print_timers) out += "inactive wait timeout q-time "; out += " v disk ^ rtt "; if (print_block) out += "block-progress "; if (print_peer_rate) out += "est.rec.rate "; out += "client \x1b[K\n"; ++pos; char str[500]; for (std::vector::const_iterator i = peers.begin(); i != peers.end(); ++i) { if (i->flags & (peer_info::handshake | peer_info::connecting)) continue; if (print_ip) { std::snprintf(str, sizeof(str), "%-30s ", (::print_endpoint(i->ip) + (i->flags & peer_info::utp_socket ? " [uTP]" : "") + (i->flags & peer_info::i2p_socket ? " [i2p]" : "") ).c_str()); out += str; } char temp[10]; std::snprintf(temp, sizeof(temp), "%d/%d" , i->download_queue_length , i->target_dl_queue_length); temp[7] = 0; char peer_progress[10]; std::snprintf(peer_progress, sizeof(peer_progress), "%.1f%%", i->progress_ppm / 10000.f); std::snprintf(str, sizeof(str) , "%s %s%s (%s|%s) %s%s (%s|%s) %s%7s %4d%4d%4d %s%s%s%s%s%s%s%s%s%s%s%s%s %s%s%s %s%s%s %s%s%s%s%s%s " , progress_bar(i->progress_ppm / 1000, 15, col_green, '#', '-', peer_progress).c_str() , esc("32"), add_suffix(i->down_speed, "/s").c_str() , add_suffix(i->total_download).c_str(), add_suffix(i->download_rate_peak, "/s").c_str() , esc("31"), add_suffix(i->up_speed, "/s").c_str(), add_suffix(i->total_upload).c_str() , add_suffix(i->upload_rate_peak, "/s").c_str(), esc("0") , temp // sent requests and target number of outstanding reqs. , i->timed_out_requests , i->busy_requests , i->upload_queue_length , color("I", (i->flags & peer_info::interesting)?col_white:col_blue).c_str() , color("C", (i->flags & peer_info::choked)?col_white:col_blue).c_str() , color("i", (i->flags & peer_info::remote_interested)?col_white:col_blue).c_str() , color("c", (i->flags & peer_info::remote_choked)?col_white:col_blue).c_str() , color("x", (i->flags & peer_info::supports_extensions)?col_white:col_blue).c_str() , color("o", (i->flags & peer_info::local_connection)?col_white:col_blue).c_str() , color("p", (i->flags & peer_info::on_parole)?col_white:col_blue).c_str() , color("O", (i->flags & peer_info::optimistic_unchoke)?col_white:col_blue).c_str() , color("S", (i->flags & peer_info::snubbed)?col_white:col_blue).c_str() , color("U", (i->flags & peer_info::upload_only)?col_white:col_blue).c_str() , color("e", (i->flags & peer_info::endgame_mode)?col_white:col_blue).c_str() , color("E", (i->flags & peer_info::rc4_encrypted)?col_white:(i->flags & peer_info::plaintext_encrypted)?col_cyan:col_blue).c_str() , color("h", (i->flags & peer_info::holepunched)?col_white:col_blue).c_str() , color("d", (i->read_state & peer_info::bw_disk)?col_white:col_blue).c_str() , color("l", (i->read_state & peer_info::bw_limit)?col_white:col_blue).c_str() , color("n", (i->read_state & peer_info::bw_network)?col_white:col_blue).c_str() , color("d", (i->write_state & peer_info::bw_disk)?col_white:col_blue).c_str() , color("l", (i->write_state & peer_info::bw_limit)?col_white:col_blue).c_str() , color("n", (i->write_state & peer_info::bw_network)?col_white:col_blue).c_str() , color("t", (i->source & peer_info::tracker)?col_white:col_blue).c_str() , color("p", (i->source & peer_info::pex)?col_white:col_blue).c_str() , color("d", (i->source & peer_info::dht)?col_white:col_blue).c_str() , color("l", (i->source & peer_info::lsd)?col_white:col_blue).c_str() , color("r", (i->source & peer_info::resume_data)?col_white:col_blue).c_str() , color("i", (i->source & peer_info::incoming)?col_white:col_blue).c_str()); out += str; if (print_fails) { std::snprintf(str, sizeof(str), "%3d %3d " , i->failcount, i->num_hashfails); out += str; } if (print_send_bufs) { std::snprintf(str, sizeof(str), "%2d %6d %6d|%6d|%6d%5dkB " , i->requests_in_buffer, i->used_send_buffer , i->used_receive_buffer , i->receive_buffer_size , i->receive_buffer_watermark , i->queue_bytes / 1000); out += str; } if (print_timers) { char req_timeout[20] = "-"; // timeout is only meaningful if there is at least one outstanding // request to the peer if (i->download_queue_length > 0) std::snprintf(req_timeout, sizeof(req_timeout), "%d", i->request_timeout); std::snprintf(str, sizeof(str), "%8d %4d %7s %6d " , int(total_seconds(i->last_active)) , int(total_seconds(i->last_request)) , req_timeout , int(total_seconds(i->download_queue_time))); out += str; } std::snprintf(str, sizeof(str), "%s|%s %5d " , add_suffix(i->pending_disk_bytes).c_str() , add_suffix(i->pending_disk_read_bytes).c_str() , i->rtt); out += str; if (print_block) { if (i->downloading_piece_index >= 0) { char buf[50]; std::snprintf(buf, sizeof(buf), "%d:%d", i->downloading_piece_index, i->downloading_block_index); out += progress_bar( i->downloading_progress * 1000 / i->downloading_total, 14, col_green, '-', '#', buf); } else { out += progress_bar(0, 14); } } if (print_peer_rate) { bool unchoked = (i->flags & peer_info::choked) == 0; std::snprintf(str, sizeof(str), " %s" , unchoked ? add_suffix(i->estimated_reciprocation_rate, "/s").c_str() : " "); out += str; } out += " "; if (i->flags & peer_info::handshake) { out += esc("31"); out += " waiting for handshake"; out += esc("0"); } else if (i->flags & peer_info::connecting) { out += esc("31"); out += " connecting to peer"; out += esc("0"); } else { out += " "; out += i->client; } out += "\x1b[K\n"; ++pos; if (pos >= max_lines) break; } return pos; } int allocation_mode = libtorrent::storage_mode_sparse; std::string save_path("."); int torrent_upload_limit = 0; int torrent_download_limit = 0; std::string monitor_dir; int poll_interval = 5; int max_connections_per_torrent = 50; bool seed_mode = false; int cache_size = 1024; bool share_mode = false; bool disable_storage = false; bool quit = false; void signal_handler(int) { // make the main loop terminate quit = true; } void load_torrent(libtorrent::sha1_hash const& ih, std::vector& buf, libtorrent::error_code& ec) { files_t::iterator i = hash_to_filename.find(ih); if (i == hash_to_filename.end()) { // for magnet links and torrents downloaded via // URL, the metadata is saved in the resume file // TODO: pick up metadata from the resume file ec.assign(boost::system::errc::no_such_file_or_directory, boost::system::generic_category()); return; } load_file(i->second, buf, ec); } // if non-empty, a peer that will be added to all torrents std::string peer; std::string path_to_url(std::string f) { std::string ret = "file://" #ifdef TORRENT_WINDOWS "/" #endif ; static char const hex_chars[] = "0123456789abcdef"; static const char unreserved[] = "/-_!.~*()ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" "0123456789"; // make sure the path is an absolute path if (!is_absolute_path(f)) { char cwd[TORRENT_MAX_PATH]; #if defined TORRENT_WINDOWS && !defined TORRENT_MINGW _getcwd(cwd, sizeof(cwd)); #else char const* ret = getcwd(cwd, sizeof(cwd)); (void)ret; // best effort #endif f = path_append(cwd, f); } for (int i = 0; i < int(f.size()); ++i) { #ifdef TORRENT_WINDOWS if (f[i] == '\\') ret.push_back('/'); else #endif if (std::strchr(unreserved, f[i]) != nullptr) ret.push_back(f[i]); else { ret.push_back('%'); ret.push_back(hex_chars[f[i] >> 4]); ret.push_back(hex_chars[f[i] & 0xf]); } } return ret; } void print_settings(int const start, int const num , char const* const fmt) { for (int i = start; i < start + num; ++i) { char const* name = libtorrent::name_for_setting(i); if (!name || name[0] == '\0') continue; std::printf(fmt, name); } } void add_torrent(libtorrent::session& ses , handles_t& files , std::string torrent) { using namespace libtorrent; static int counter = 0; std::printf("[%d] %s\n", counter++, torrent.c_str()); error_code ec; add_torrent_params p; std::vector resume_data; std::string filename = path_append(save_path, path_append(".resume" , leaf_path(torrent) + ".resume")); load_file(filename, resume_data, ec); if (!ec) { p = read_resume_data(&resume_data[0], int(resume_data.size()), ec); if (ec) std::printf(" failed to load resume data: %s\n", ec.message().c_str()); } ec.clear(); if (seed_mode) p.flags |= add_torrent_params::flag_seed_mode; if (disable_storage) p.storage = disabled_storage_constructor; if (share_mode) p.flags |= add_torrent_params::flag_share_mode; p.url = path_to_url(torrent); p.save_path = save_path; p.storage_mode = (storage_mode_t)allocation_mode; p.flags &= ~add_torrent_params::flag_duplicate_is_error; p.userdata = static_cast(new std::string(torrent)); ses.async_add_torrent(p); files.insert(std::pair(torrent, torrent_handle())); } std::vector list_dir(std::string path , bool (*filter_fun)(std::string const&) , libtorrent::error_code& ec) { std::vector ret; #ifdef TORRENT_WINDOWS if (!path.empty() && path[path.size()-1] != '\\') path += "\\*"; else path += "*"; WIN32_FIND_DATAA fd; HANDLE handle = FindFirstFileA(path.c_str(), &fd); if (handle == INVALID_HANDLE_VALUE) { ec.assign(GetLastError(), boost::system::system_category()); return ret; } do { std::string p = fd.cFileName; if (filter_fun(p)) ret.push_back(p); } while (FindNextFileA(handle, &fd)); FindClose(handle); #else if (!path.empty() && path[path.size()-1] == '/') path.resize(path.size()-1); DIR* handle = opendir(path.c_str()); if (handle == nullptr) { ec.assign(errno, boost::system::system_category()); return ret; } struct dirent de; dirent* dummy; while (readdir_r(handle, &de, &dummy) == 0) { if (dummy == nullptr) break; std::string p = de.d_name; if (filter_fun(p)) ret.push_back(p); } closedir(handle); #endif return ret; } bool filter_fun(std::string const& p) { for (int i = int(p.size()) - 1; i >= 0; --i) { if (p[i] == '/') break; #ifdef TORRENT_WINDOWS if (p[i] == '\\') break; #endif if (p[i] != '.') continue; return p.compare(i, 8, ".torrent") == 0; } return false; } void scan_dir(std::string const& dir_path , libtorrent::session& ses , handles_t& files) { std::set valid; using namespace libtorrent; error_code ec; std::vector ents = list_dir(dir_path, filter_fun, ec); if (ec) { std::fprintf(stderr, "failed to list directory: (%s : %d) %s\n" , ec.category().name(), ec.value(), ec.message().c_str()); return; } for (std::vector::iterator i = ents.begin() , end(ents.end()); i != end; ++i) { std::string file = path_append(dir_path, *i); handles_t::iterator k = files.find(file); if (k != files.end()) { valid.insert(file); continue; } // the file has been added to the dir, start // downloading it. add_torrent(ses, files, file); valid.insert(file); } // remove the torrents that are no longer in the directory for (handles_t::iterator i = files.begin(); !files.empty() && i != files.end();) { if (i->first.empty() || valid.find(i->first) != valid.end()) { ++i; continue; } torrent_handle& h = i->second; if (!h.is_valid()) { files.erase(i++); continue; } h.auto_managed(false); h.pause(); // the alert handler for save_resume_data_alert // will save it to disk h.save_resume_data(); ++num_outstanding_resume_data; files.erase(i++); } } char const* timestamp() { time_t t = std::time(nullptr); tm* timeinfo = std::localtime(&t); static char str[200]; std::strftime(str, 200, "%b %d %X", timeinfo); return str; } void print_alert(libtorrent::alert const* a, std::string& str) { using namespace libtorrent; if (a->category() & alert::error_notification) { str += esc("31"); } else if (a->category() & (alert::peer_notification | alert::storage_notification)) { str += esc("33"); } str += "["; str += timestamp(); str += "] "; str += a->message(); str += esc("0"); if (g_log_file) std::fprintf(g_log_file, "[%s] %s\n", timestamp(), a->message().c_str()); } int save_file(std::string const& filename, std::vector& v) { FILE* f = std::fopen(filename.c_str(), "wb"); if (f == nullptr) return -1; int w = int(std::fwrite(&v[0], 1, v.size(), f)); std::fclose(f); if (w < 0) return -1; if (w != int(v.size())) return -3; return 0; } // returns true if the alert was handled (and should not be printed to the log) // returns false if the alert was not handled bool handle_alert(libtorrent::session& ses, libtorrent::alert* a , handles_t& files, std::set& non_files) { using namespace libtorrent; if (session_stats_alert* s = alert_cast(a)) { ses_view.update_counters(s->values, sizeof(s->values)/sizeof(s->values[0]) , duration_cast(s->timestamp().time_since_epoch()).count()); return true; } #ifndef TORRENT_DISABLE_DHT if (dht_stats_alert* p = alert_cast(a)) { dht_active_requests = p->active_requests; dht_routing_table = p->routing_table; return true; } #endif #ifdef TORRENT_USE_OPENSSL if (torrent_need_cert_alert* p = alert_cast(a)) { torrent_handle h = p->handle; std::string base_name = path_append("certificates", to_hex(h.info_hash())); std::string cert = base_name + ".pem"; std::string priv = base_name + "_key.pem"; #ifdef TORRENT_WINDOWS struct ::_stat st; int ret = ::_stat(cert.c_str(), &st); if (ret < 0 || (st.st_mode & _S_IFREG) == 0) #else struct ::stat st; int ret = ::stat(cert.c_str(), &st); if (ret < 0 || (st.st_mode & S_IFREG) == 0) #endif { char msg[256]; std::snprintf(msg, sizeof(msg), "ERROR. could not load certificate %s: %s\n" , cert.c_str(), std::strerror(errno)); if (g_log_file) std::fprintf(g_log_file, "[%s] %s\n", timestamp(), msg); return true; } #ifdef TORRENT_WINDOWS ret = ::_stat(priv.c_str(), &st); if (ret < 0 || (st.st_mode & _S_IFREG) == 0) #else ret = ::stat(priv.c_str(), &st); if (ret < 0 || (st.st_mode & S_IFREG) == 0) #endif { char msg[256]; std::snprintf(msg, sizeof(msg), "ERROR. could not load private key %s: %s\n" , priv.c_str(), std::strerror(errno)); if (g_log_file) std::fprintf(g_log_file, "[%s] %s\n", timestamp(), msg); return true; } char msg[256]; std::snprintf(msg, sizeof(msg), "loaded certificate %s and key %s\n", cert.c_str(), priv.c_str()); if (g_log_file) std::fprintf(g_log_file, "[%s] %s\n", timestamp(), msg); h.set_ssl_certificate(cert, priv, "certificates/dhparams.pem", "1234"); h.resume(); } #endif // don't log every peer we try to connect to if (alert_cast(a)) return true; if (peer_disconnected_alert* pd = alert_cast(a)) { // ignore failures to connect and peers not responding with a // handshake. The peers that we successfully connect to and then // disconnect is more interesting. if (pd->operation == op_connect || pd->error == error_code(errors::timed_out_no_handshake , get_libtorrent_category())) return true; } #ifdef _MSC_VER // it seems msvc makes the definitions of 'p' escape the if-statement here #pragma warning(push) #pragma warning(disable: 4456) #endif if (metadata_received_alert* p = alert_cast(a)) { // if we have a monitor dir, save the .torrent file we just received in it // also, add it to the files map, and remove it from the non_files list // to keep the scan dir logic in sync so it's not removed, or added twice torrent_handle h = p->handle; if (h.is_valid()) { std::shared_ptr ti = h.torrent_file(); create_torrent ct(*ti); entry te = ct.generate(); std::vector buffer; bencode(std::back_inserter(buffer), te); sha1_hash hash = ti->info_hash(); std::string filename = ti->name() + "." + to_hex(hash) + ".torrent"; filename = path_append(monitor_dir, filename); save_file(filename, buffer); files.insert(std::pair(filename, h)); hash_to_filename.insert(std::make_pair(hash, filename)); non_files.erase(h); } } else if (add_torrent_alert* p = alert_cast(a)) { std::string filename; if (p->params.userdata) { std::string* f = static_cast(p->params.userdata); filename.swap(*f); delete f; } if (p->error) { std::fprintf(stderr, "failed to add torrent: %s %s\n", filename.c_str() , p->error.message().c_str()); } else { torrent_handle h = p->handle; if (!filename.empty()) files[filename] = h; else non_files.insert(h); h.set_max_connections(max_connections_per_torrent); h.set_max_uploads(-1); h.set_upload_limit(torrent_upload_limit); h.set_download_limit(torrent_download_limit); // if we have a peer specified, connect to it if (!peer.empty()) { char* port = (char*) strrchr((char*)peer.c_str(), ':'); if (port != nullptr) { *port++ = 0; char const* ip = peer.c_str(); int peer_port = atoi(port); error_code ec; if (peer_port > 0) h.connect_peer(tcp::endpoint(address::from_string(ip, ec), std::uint16_t(peer_port))); } } sha1_hash info_hash; if (p->params.ti) { info_hash = p->params.ti->info_hash(); } else if (!p->params.info_hash.is_all_zeros()) { info_hash = p->params.info_hash; } else { info_hash = h.info_hash(); } hash_to_filename.insert(std::make_pair(info_hash, filename)); } } else if (torrent_finished_alert* p = alert_cast(a)) { p->handle.set_max_connections(max_connections_per_torrent / 2); // write resume data for the finished torrent // the alert handler for save_resume_data_alert // will save it to disk torrent_handle h = p->handle; h.save_resume_data(); ++num_outstanding_resume_data; } else if (save_resume_data_alert* p = alert_cast(a)) { --num_outstanding_resume_data; torrent_handle h = p->handle; TORRENT_ASSERT(p->resume_data); if (p->resume_data) { std::vector out; bencode(std::back_inserter(out), *p->resume_data); torrent_status st = h.status(torrent_handle::query_save_path); save_file(path_append(st.save_path, path_append(".resume", leaf_path( hash_to_filename[st.info_hash]) + ".resume")), out); if (h.is_valid() && non_files.find(h) == non_files.end() && std::none_of(files.begin(), files.end() , [&h](handles_t::value_type const& hn) { return hn.second == h; })) { ses.remove_torrent(h); } } } else if (save_resume_data_failed_alert* p = alert_cast(a)) { --num_outstanding_resume_data; torrent_handle h = p->handle; if (h.is_valid()) { std::fprintf(stderr, "FAILED TO SAVE RESUME DATA: %s\n" , h.status().name.c_str()); } if (h.is_valid() && non_files.find(h) == non_files.end() && std::none_of(files.begin(), files.end() , [&h](handles_t::value_type const& hn) { return hn.second == h; })) { ses.remove_torrent(h); } } else if (torrent_paused_alert* p = alert_cast(a)) { // write resume data for the finished torrent // the alert handler for save_resume_data_alert // will save it to disk torrent_handle h = p->handle; h.save_resume_data(); ++num_outstanding_resume_data; } else if (state_update_alert* p = alert_cast(a)) { view.update_torrents(p->status); return true; } return false; #ifdef _MSC_VER #pragma warning(pop) #endif } void print_piece(libtorrent::partial_piece_info* pp , libtorrent::cached_piece_info* cs , std::vector const& peers , std::string& out) { using namespace libtorrent; char str[1024]; assert(pp == nullptr || cs == nullptr || cs->piece == pp->piece_index); int piece = pp ? pp->piece_index : cs->piece; int num_blocks = pp ? pp->blocks_in_piece : int(cs->blocks.size()); std::snprintf(str, sizeof(str), "%5d:[", piece); out += str; char const* last_color = nullptr; for (int j = 0; j < num_blocks; ++j) { int index = pp ? peer_index(pp->blocks[j].peer(), peers) % 36 : -1; char chr = '+'; if (index >= 0) chr = char((index < 10)?'0' + index:'A' + index - 10); bool snubbed = index >= 0 ? ((peers[index].flags & peer_info::snubbed) != 0) : false; char const* color = ""; if (pp == nullptr) { color = cs->blocks[j] ? esc("34;7") : esc("0"); chr = ' '; } else { if (cs && cs->blocks[j] && pp->blocks[j].state != block_info::finished) color = esc("36;7"); else if (pp->blocks[j].bytes_progress > 0 && pp->blocks[j].state == block_info::requested) { if (pp->blocks[j].num_peers > 1) color = esc("1;7"); else color = snubbed ? esc("35;7") : esc("33;7"); chr = char('0' + (pp->blocks[j].bytes_progress * 10 / pp->blocks[j].block_size)); } else if (pp->blocks[j].state == block_info::finished) color = esc("32;7"); else if (pp->blocks[j].state == block_info::writing) color = esc("36;7"); else if (pp->blocks[j].state == block_info::requested) color = snubbed ? esc("35;7") : esc("0"); else { color = esc("0"); chr = ' '; } } if (last_color == nullptr || std::strcmp(last_color, color) != 0) { std::snprintf(str, sizeof(str), "%s%c", color, chr); out += str; } else out += chr; last_color = color; } out += esc("0"); out += "]"; } int main(int argc, char* argv[]) { #ifndef _WIN32 // sets the terminal to single-character mode // and resets when destructed set_keypress s; #endif if (argc == 1) { std::fprintf(stderr, "usage: client_test [OPTIONS] [TORRENT|MAGNETURL|URL]\n\n" "OPTIONS:\n" "\n CLIENT OPTIONS\n" " -f logs all events to the given file\n" " -s sets the save path for downloads\n" " -m sets the .torrent monitor directory\n" " -t sets the scan interval of the monitor dir\n" " -F sets the UI refresh rate. This is the number of\n" " milliseconds between screen refreshes.\n" " -k enable high performance settings. This overwrites any other\n" " previous command line options, so be sure to specify this first\n" " -G Add torrents in seed-mode (i.e. assume all pieces\n" " are present and check hashes on-demand)\n" "\n LIBTORRENT SETTINGS\n" " --=\n" " set the libtorrent setting to \n" " --list-settings print all libtorrent settings and exit\n" "\n BITTORRENT OPTIONS\n" " -T sets the max number of connections per torrent\n" " -U sets per-torrent upload rate\n" " -D sets per-torrent download rate\n" " -Q enables share mode. Share mode attempts to maximize\n" " share ratio rather than downloading\n" " -r connect to specified peer\n" "\n NETWORK OPTIONS\n" " -x loads an emule IP-filter file\n" " -Y Rate limit local peers\n" #if TORRENT_USE_I2P " -i the hostname to an I2P SAM bridge to use\n" #endif "\n DISK OPTIONS\n" " -a sets the allocation mode. [sparse|allocate]\n" " -0 disable disk I/O, read garbage and don't flush to disk\n" "\n\n" "TORRENT is a path to a .torrent file\n" "MAGNETURL is a magnet link\n" "\n") ; return 0; } using namespace libtorrent; namespace lt = libtorrent; settings_pack settings; settings.set_int(settings_pack::cache_size, cache_size); settings.set_int(settings_pack::active_loaded_limit, 20); settings.set_int(settings_pack::choking_algorithm, settings_pack::rate_based_choker); int refresh_delay = 500; bool rate_limit_locals = false; std::deque events; time_point next_dir_scan = clock_type::now(); // the string is the filename of the .torrent file, but only if // it was added through the directory monitor. It is used to // be able to remove torrents that were added via the directory // monitor when they're not in the directory anymore. handles_t files; // torrents that were not added via the monitor dir std::set non_files; // load the torrents given on the commandline std::vector magnet_links; std::vector torrents; ip_filter loaded_ip_filter; for (int i = 1; i < argc; ++i) { if (argv[i][0] != '-') { torrents.push_back(argv[i]); continue; } if (std::strcmp(argv[i], "--list-settings") == 0) { // print all libtorrent settings and exit print_settings(settings_pack::string_type_base , settings_pack::num_string_settings , "%s=\n"); print_settings(settings_pack::bool_type_base , settings_pack::num_bool_settings , "%s=\n"); print_settings(settings_pack::int_type_base , settings_pack::num_int_settings , "%s=\n"); return 0; } // maybe this is an assignment of a libtorrent setting if (argv[i][1] == '-' && strchr(argv[i], '=') != nullptr) { char const* equal = strchr(argv[i], '='); char const* start = argv[i]+2; // +2 is to skip the -- std::string const key(start, equal - start); char const* value = equal + 1; int const sett_name = setting_by_name(key); if (sett_name < 0) { std::fprintf(stderr, "unknown setting: \"%s\"\n", key.c_str()); return 1; } switch (sett_name & settings_pack::type_mask) { case settings_pack::string_type_base: settings.set_str(sett_name, value); break; case settings_pack::bool_type_base: if (std::strcmp(value, "0") == 0 || std::strcmp(value, "1") == 0) { settings.set_bool(sett_name, atoi(value) != 0); } else { std::fprintf(stderr, "invalid value for \"%s\". expected 0 or 1\n" , key.c_str()); return 1; } break; case settings_pack::int_type_base: settings.set_int(sett_name, atoi(value)); break; } continue; } // if there's a flag but no argument following, ignore it if (argc == i) continue; char const* arg = argv[i+1]; if (arg == nullptr) arg = ""; switch (argv[i][1]) { case 'f': g_log_file = std::fopen(arg, "w+"); break; case 'k': high_performance_seed(settings); --i; break; case 'G': seed_mode = true; --i; break; case 's': save_path = arg; break; case 'U': torrent_upload_limit = atoi(arg) * 1000; break; case 'D': torrent_download_limit = atoi(arg) * 1000; break; case 'm': monitor_dir = arg; break; case 'Q': share_mode = true; --i; break; case 't': poll_interval = atoi(arg); break; case 'F': refresh_delay = atoi(arg); break; case 'a': allocation_mode = (arg == std::string("sparse")) ? libtorrent::storage_mode_sparse : libtorrent::storage_mode_allocate; break; case 'x': { FILE* filter = std::fopen(arg, "r"); if (filter) { unsigned int a,b,c,d,e,f,g,h, flags; while (std::fscanf(filter, "%u.%u.%u.%u - %u.%u.%u.%u %u\n" , &a, &b, &c, &d, &e, &f, &g, &h, &flags) == 9) { address_v4 start((a << 24) + (b << 16) + (c << 8) + d); address_v4 last((e << 24) + (f << 16) + (g << 8) + h); if (flags <= 127) flags = ip_filter::blocked; else flags = 0; loaded_ip_filter.add_rule(start, last, flags); } std::fclose(filter); } } break; case 'T': max_connections_per_torrent = atoi(arg); break; case 'r': peer = arg; break; case 'Y': { --i; rate_limit_locals = true; break; } case '0': disable_storage = true; --i; } ++i; // skip the argument } // create directory for resume files #ifdef TORRENT_WINDOWS int ret = _mkdir(path_append(save_path, ".resume").c_str()); #else int ret = mkdir(path_append(save_path, ".resume").c_str(), 0777); #endif if (ret < 0) std::fprintf(stderr, "failed to create resume file directory: (%d) %s\n" , errno, strerror(errno)); settings.set_str(settings_pack::user_agent, "client_test/" LIBTORRENT_VERSION); settings.set_int(settings_pack::alert_mask, alert::all_categories & ~(alert::dht_notification + alert::progress_notification + alert::stats_notification + alert::session_log_notification + alert::torrent_log_notification + alert::peer_log_notification + alert::dht_log_notification + alert::picker_log_notification )); libtorrent::session ses(settings); if (rate_limit_locals) { ip_filter pcf; // 1 is the global peer class. This should be done properly in the future pcf.add_rule(address_v4::from_string("0.0.0.0") , address_v4::from_string("255.255.255.255"), 1); #if TORRENT_USE_IPV6 pcf.add_rule(address_v6::from_string("::") , address_v6::from_string("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), 1); #endif ses.set_peer_class_filter(pcf); } ses.set_ip_filter(loaded_ip_filter); ses.set_load_function(&load_torrent); error_code ec; #ifndef TORRENT_DISABLE_DHT dht_settings dht; dht.privacy_lookups = true; ses.set_dht_settings(dht); if (settings.get_bool(settings_pack::enable_dht)) { ses.add_dht_router(std::make_pair( std::string("router.bittorrent.com"), 6881)); ses.add_dht_router(std::make_pair( std::string("router.utorrent.com"), 6881)); ses.add_dht_router(std::make_pair( std::string("router.bitcomet.com"), 6881)); } std::vector in; if (load_file(".ses_state", in, ec) == 0) { bdecode_node e; if (bdecode(&in[0], &in[0] + in.size(), e, ec) == 0) ses.load_state(e, session::save_dht_state); } #endif for (auto const& magnet : magnet_links) ses.async_add_torrent(magnet); for (auto const& i : torrents) { if (std::strstr(i.c_str(), "http://") == i.c_str() || std::strstr(i.c_str(), "https://") == i.c_str() || std::strstr(i.c_str(), "magnet:") == i.c_str()) { add_torrent_params p; if (std::strstr(i.c_str(), "magnet:") == i.c_str()) { add_torrent_params tmp; ec.clear(); parse_magnet_uri(i, tmp, ec); if (ec) continue; std::string filename = path_append(save_path, path_append(".resume" , to_hex(tmp.info_hash) + ".resume")); std::vector resume_data; load_file(filename, resume_data, ec); if (!ec) { p = read_resume_data(&resume_data[0], int(resume_data.size()), ec); if (ec) std::printf(" failed to load resume data: %s\n", ec.message().c_str()); } ec.clear(); } if (seed_mode) p.flags |= add_torrent_params::flag_seed_mode; if (disable_storage) p.storage = disabled_storage_constructor; if (share_mode) p.flags |= add_torrent_params::flag_share_mode; p.save_path = save_path; p.storage_mode = (storage_mode_t)allocation_mode; p.url = i; std::printf("adding URL: %s\n", i.c_str()); ses.async_add_torrent(p); continue; } // if it's a torrent file, open it as usual add_torrent(ses, files, i.c_str()); } // main loop std::vector peers; std::vector queue; int tick = 0; #ifndef _WIN32 signal(SIGTERM, signal_handler); signal(SIGINT, signal_handler); #endif while (!quit) { ++tick; ses.post_torrent_updates(); ses.post_session_stats(); ses.post_dht_stats(); int terminal_width = 80; int terminal_height = 50; terminal_size(&terminal_width, &terminal_height); view.set_size(terminal_width, terminal_height / 3); ses_view.set_pos(terminal_height / 3); int c = 0; if (sleep_and_input(&c, refresh_delay)) { #ifdef _WIN32 #define ESCAPE_SEQ 224 #define LEFT_ARROW 75 #define RIGHT_ARROW 77 #define UP_ARROW 72 #define DOWN_ARROW 80 #else #define ESCAPE_SEQ 27 #define LEFT_ARROW 68 #define RIGHT_ARROW 67 #define UP_ARROW 65 #define DOWN_ARROW 66 #endif torrent_handle h = view.get_active_handle(); if (c == EOF) { break; } do { if (c == ESCAPE_SEQ) { // escape code, read another character #ifdef _WIN32 int c2 = _getch(); #else int c2 = getc(stdin); if (c2 == EOF) { break; } if (c2 != '[') continue; c2 = getc(stdin); #endif if (c2 == EOF) break; if (c2 == LEFT_ARROW) { // arrow left int filter = view.filter(); if (filter > 0) { --filter; view.set_filter(filter); h = view.get_active_handle(); } } else if (c2 == RIGHT_ARROW) { // arrow right int filter = view.filter(); if (filter < torrent_view::torrents_max - 1) { ++filter; view.set_filter(filter); h = view.get_active_handle(); } } else if (c2 == UP_ARROW) { // arrow up view.arrow_up(); h = view.get_active_handle(); } else if (c2 == DOWN_ARROW) { // arrow down view.arrow_down(); h = view.get_active_handle(); } } if (c == ' ') { if (ses.is_paused()) ses.resume(); else ses.pause(); } // add magnet link if (c == 'm') { char url[4096]; puts("Enter magnet link:\n"); int ret = std::scanf("%4095s", url); add_torrent_params p; if (ret == 1 && std::strstr(url, "magnet:") == url) { add_torrent_params tmp; parse_magnet_uri(url, tmp, ec); if (ec) continue; std::string filename = path_append(save_path, path_append(".resume" , to_hex(tmp.info_hash) + ".resume")); std::vector resume_data; load_file(filename, resume_data, ec); if (!ec) { p = read_resume_data(&resume_data[0], int(resume_data.size()), ec); if (ec) std::printf(" failed to load resume data: %s\n", ec.message().c_str()); } ec.clear(); } if (seed_mode) p.flags |= add_torrent_params::flag_seed_mode; if (disable_storage) p.storage = disabled_storage_constructor; if (share_mode) p.flags |= add_torrent_params::flag_share_mode; p.save_path = save_path; p.storage_mode = (storage_mode_t)allocation_mode; p.url = url; std::printf("adding URL: %s\n", url); ses.async_add_torrent(p); } if (c == 'q') break; if (c == 'W' && h.is_valid()) { std::set seeds = h.url_seeds(); for (std::set::iterator i = seeds.begin() , end(seeds.end()); i != end; ++i) { h.remove_url_seed(*i); } seeds = h.http_seeds(); for (std::set::iterator i = seeds.begin() , end(seeds.end()); i != end; ++i) { h.remove_http_seed(*i); } } if (c == 'D' && h.is_valid()) { torrent_status const& st = view.get_active_torrent(); std::printf("\n\nARE YOU SURE YOU WANT TO DELETE THE FILES FOR '%s'. THIS OPERATION CANNOT BE UNDONE. (y/N)" , st.name.c_str()); char response = 'n'; int ret = std::scanf("%c", &response); if (ret == 1 && response == 'y') { // also delete the .torrent file from the torrent directory handles_t::iterator i = std::find_if(files.begin(), files.end() , [&st] (handles_t::value_type const& hn) { return hn.second == st.handle; }); if (i != files.end()) { error_code err; std::string path; if (is_absolute_path(i->first)) path = i->first; else path = path_append(monitor_dir, i->first); if (::remove(path.c_str()) < 0) std::printf("failed to delete .torrent file: %s\n", err.message().c_str()); files.erase(i); } if (st.handle.is_valid()) ses.remove_torrent(st.handle, lt::session::delete_files); } } if (c == 'j' && h.is_valid()) { h.force_recheck(); } if (c == 'r' && h.is_valid()) { h.force_reannounce(); } if (c == 's' && h.is_valid()) { torrent_status const& ts = view.get_active_torrent(); h.set_sequential_download(!ts.sequential_download); } if (c == 'R') { // save resume data for all torrents std::vector torr; ses.get_torrent_status(&torr, &yes, 0); for (torrent_status const& st : torr) { if (st.need_save_resume) { st.handle.save_resume_data(); ++num_outstanding_resume_data; } } } if (c == 'o' && h.is_valid()) { torrent_status const& ts = view.get_active_torrent(); int num_pieces = ts.num_pieces; if (num_pieces > 300) num_pieces = 300; for (int i = 0; i < num_pieces; ++i) { h.set_piece_deadline(i, (i+5) * 1000, torrent_handle::alert_when_available); } } if (c == 'v' && h.is_valid()) { h.scrape_tracker(); } if (c == 'p' && h.is_valid()) { torrent_status const& ts = view.get_active_torrent(); if (!ts.auto_managed && ts.paused) { h.auto_managed(true); } else { h.auto_managed(false); h.pause(torrent_handle::graceful_pause); } } // toggle force-start if (c == 'k' && h.is_valid()) { torrent_status const& ts = view.get_active_torrent(); h.auto_managed(!ts.auto_managed); if (ts.auto_managed && ts.paused) h.resume(); } if (c == 'c' && h.is_valid()) { h.clear_error(); } // toggle displays if (c == 't') print_trackers = !print_trackers; if (c == 'i') print_peers = !print_peers; if (c == 'l') print_log = !print_log; if (c == 'd') print_downloads = !print_downloads; if (c == 'y') print_matrix = !print_matrix; if (c == 'f') print_file_progress = !print_file_progress; if (c == 'P') show_pad_files = !show_pad_files; if (c == 'g') show_dht_status = !show_dht_status; if (c == 'u') ses_view.print_utp_stats(!ses_view.print_utp_stats()); if (c == 'x') print_disk_stats = !print_disk_stats; // toggle columns if (c == '1') print_ip = !print_ip; if (c == '3') print_timers = !print_timers; if (c == '4') print_block = !print_block; if (c == '5') print_peer_rate = !print_peer_rate; if (c == '6') print_fails = !print_fails; if (c == '7') print_send_bufs = !print_send_bufs; if (c == 'C') { cache_size = (cache_size == 0) ? -1 : 0; settings_pack p; p.set_int(settings_pack::cache_size, cache_size); ses.apply_settings(std::move(p)); } if (c == 'h') { clear_screen(); set_cursor_pos(0,0); print( "HELP SCREEN (press any key to dismiss)\n\n" "CLIENT OPTIONS\n" "[q] quit client [m] add magnet link\n" "\n" "TORRENT ACTIONS\n" "[p] pause/unpause selected torrent [C] toggle disk cache\n" "[s] toggle sequential download [j] force recheck\n" "[space] toggle session pause [c] clear error\n" "[v] scrape [D] delete torrent and data\n" "[r] force reannounce [R] save resume data for all torrents\n" "[o] set piece deadlines (sequential dl) [P] toggle auto-managed\n" "[k] toggle force-started [W] remove all web seeds\n" "\n" "DISPLAY OPTIONS\n" "left/right arrow keys: select torrent filter\n" "up/down arrow keys: select torrent\n" "[i] toggle show peers [d] toggle show downloading pieces\n" "[u] show uTP stats [f] toggle show files\n" "[g] show DHT [x] toggle disk cache stats\n" "[t] show trackers [l] toggle show log\n" "[P] show pad files (in file list) [y] toggle show piece matrix\n" "\n" "COLUMN OPTIONS\n" "[1] toggle IP column [2]\n" "[3] toggle timers column [4] toggle block progress column\n" "[5] toggle peer rate column [6] toggle failures column\n" "[7] toggle send buffers column\n" ); int tmp; while (sleep_and_input(&tmp, 500) == false); } } while (sleep_and_input(&c, 0)); if (c == 'q') break; } // loop through the alert queue to see if anything has happened. std::vector alerts; ses.pop_alerts(&alerts); for (std::vector::iterator i = alerts.begin() , end(alerts.end()); i != end; ++i) { TORRENT_TRY { if (!::handle_alert(ses, *i, files, non_files)) { // if we didn't handle the alert, print it to the log std::string event_string; print_alert(*i, event_string); events.push_back(event_string); if (events.size() >= 20) events.pop_front(); } } TORRENT_CATCH(std::exception& ) {} } alerts.clear(); std::string out; char str[500]; int pos = view.height() + ses_view.height(); set_cursor_pos(0, pos); int cache_flags = print_downloads ? 0 : lt::session::disk_cache_no_pieces; torrent_handle h = view.get_active_handle(); cache_status cs; ses.get_cache_info(&cs, h, cache_flags); #ifndef TORRENT_DISABLE_DHT if (show_dht_status) { // TODO: 3 expose these counters as performance counters /* std::snprintf(str, sizeof(str), "DHT nodes: %d DHT cached nodes: %d " "total DHT size: %" PRId64 " total observers: %d\n" , sess_stat.dht_nodes, sess_stat.dht_node_cache, sess_stat.dht_global_nodes , sess_stat.dht_total_allocations); out += str; */ int bucket = 0; for (std::vector::iterator i = dht_routing_table.begin() , end(dht_routing_table.end()); i != end; ++i, ++bucket) { char const* progress_bar = "################################" "################################" "################################" "################################"; char const* short_progress_bar = "--------"; std::snprintf(str, sizeof(str) , "%3d [%3d, %d] %s%s\x1b[K\n" , bucket, i->num_nodes, i->num_replacements , progress_bar + (128 - i->num_nodes) , short_progress_bar + (8 - (std::min)(8, i->num_replacements))); out += str; pos += 1; } for (std::vector::iterator i = dht_active_requests.begin() , end(dht_active_requests.end()); i != end; ++i) { std::snprintf(str, sizeof(str) , " %10s [limit: %2d] " "in-flight: %-2d " "left: %-3d " "1st-timeout: %-2d " "timeouts: %-2d " "responses: %-2d " "last_sent: %-2d\x1b[K\n" , i->type , i->branch_factor , i->outstanding_requests , i->nodes_left , i->first_timeout , i->timeouts , i->responses , i->last_sent); out += str; pos += 1; } } #endif if (h.is_valid()) { torrent_status const& s = view.get_active_torrent(); print((piece_bar(s.pieces, 126) + "\x1b[K\n").c_str()); pos += 1; if ((print_downloads && s.state != torrent_status::seeding) || print_peers) h.get_peer_info(peers); if (print_peers && !peers.empty()) pos += print_peer_info(out, peers, terminal_height - pos - 2); if (print_trackers) { std::vector tr = h.trackers(); time_point const now = clock_type::now(); for (std::vector::iterator i = tr.begin() , end(tr.end()); i != end; ++i) { if (pos + 1 >= terminal_height) break; std::snprintf(str, sizeof(str), "%2d %-55s fails: %-3d (%-3d) %s %s %5d \"%s\" %s\x1b[K\n" , i->tier, i->url.c_str(), i->fails, i->fail_limit, i->verified?"OK ":"- " , i->updating?"updating" :to_string(int(total_seconds(i->next_announce - now)), 8).c_str() , int(i->min_announce > now ? total_seconds(i->min_announce - now) : 0) , i->last_error ? i->last_error.message().c_str() : "" , i->message.c_str()); out += str; pos += 1; } } if (print_matrix) { int height = 0; print(piece_matrix(s.pieces, terminal_width, &height).c_str()); pos += height; } if (print_downloads) { h.get_download_queue(queue); std::sort(queue.begin(), queue.end() , [] (partial_piece_info const& lhs, partial_piece_info const& rhs) { return lhs.piece_index < rhs.piece_index; }); std::sort(cs.pieces.begin(), cs.pieces.end() , [](cached_piece_info const& lhs, cached_piece_info const& rhs) { return lhs.piece < rhs.piece; }); int p = 0; // this is horizontal position for (std::vector::iterator i = cs.pieces.begin(); i != cs.pieces.end(); ++i) { if (pos + 3 >= terminal_height) break; partial_piece_info* pp = nullptr; partial_piece_info tmp; tmp.piece_index = i->piece; std::vector::iterator ppi = std::lower_bound(queue.begin(), queue.end(), tmp , [](partial_piece_info const& lhs, partial_piece_info const& rhs) { return lhs.piece_index < rhs.piece_index; }); if (ppi != queue.end() && ppi->piece_index == i->piece) pp = &*ppi; print_piece(pp, &*i, peers, out); int num_blocks = pp ? pp->blocks_in_piece : int(i->blocks.size()); p += num_blocks + 8; bool continuous_mode = 8 + num_blocks > terminal_width; if (continuous_mode) { while (p > terminal_width) { p -= terminal_width; ++pos; } } else if (p + num_blocks + 8 > terminal_width) { out += "\x1b[K\n"; pos += 1; p = 0; } if (pp) queue.erase(ppi); } for (std::vector::iterator i = queue.begin() , end(queue.end()); i != end; ++i) { if (pos + 3 >= terminal_height) break; print_piece(&*i, nullptr, peers, out); int num_blocks = i->blocks_in_piece; p += num_blocks + 8; bool continuous_mode = 8 + num_blocks > terminal_width; if (continuous_mode) { while (p > terminal_width) { p -= terminal_width; ++pos; } } else if (p + num_blocks + 8 > terminal_width) { out += "\x1b[K\n"; pos += 1; p = 0; } } if (p != 0) { out += "\x1b[K\n"; pos += 1; } std::snprintf(str, sizeof(str), "%s %s read cache | %s %s downloading | %s %s cached | %s %s flushed | %s %s snubbed\x1b[K\n" , esc("34;7"), esc("0") // read cache , esc("33;7"), esc("0") // downloading , esc("36;7"), esc("0") // cached , esc("32;7"), esc("0") // flushed , esc("35;7"), esc("0") // snubbed ); out += str; pos += 1; } if (print_file_progress && s.has_metadata) { std::vector file_progress; h.file_progress(file_progress); std::vector file_status = h.file_status(); std::vector file_prio = h.file_priorities(); std::vector::iterator f = file_status.begin(); std::shared_ptr ti = h.torrent_file(); int p = 0; // this is horizontal position for (int i = 0; i < ti->num_files(); ++i) { if (pos + 1 >= terminal_height) break; bool pad_file = ti->files().pad_file_at(i); if (pad_file) { if (show_pad_files) { std::snprintf(str, sizeof(str), "\x1b[34m%-70s %s\x1b[0m\x1b[K\n" , ti->files().file_name(i).to_string().c_str() , add_suffix(ti->files().file_size(i)).c_str()); out += str; pos += 1; } continue; } int progress = ti->files().file_size(i) > 0 ? int(file_progress[i] * 1000 / ti->files().file_size(i)) : 1000; bool complete = file_progress[i] == ti->files().file_size(i); std::string title = ti->files().file_name(i).to_string(); if (!complete) { std::snprintf(str, sizeof(str), " (%.1f%%)", progress / 10.f); title += str; } if (f != file_status.end() && f->file_index == i) { title += " [ "; if ((f->open_mode & file::rw_mask) == file::read_write) title += "read/write "; else if ((f->open_mode & file::rw_mask) == file::read_only) title += "read "; else if ((f->open_mode & file::rw_mask) == file::write_only) title += "write "; if (f->open_mode & file::random_access) title += "random_access "; if (f->open_mode & file::lock_file) title += "locked "; if (f->open_mode & file::sparse) title += "sparse "; title += "]"; ++f; } const int file_progress_width = 65; // do we need to line-break? if (p + file_progress_width + 13 > terminal_width) { out += "\x1b[K\n"; pos += 1; p = 0; } std::snprintf(str, sizeof(str), "%s %7s p: %d ", progress_bar(progress, file_progress_width, complete ? col_green : col_yellow, '-', '#' , title.c_str()).c_str() , add_suffix(file_progress[i]).c_str() , file_prio[i]); p += file_progress_width + 13; out += str; } if (p != 0) { out += "\x1b[K\n"; pos += 1; } } } if (print_log) { for (std::deque::iterator i = events.begin(); i != events.end(); ++i) { if (pos + 1 >= terminal_height) break; out += *i; out += "\x1b[K\n"; pos += 1; } } // clear rest of screen out += "\x1b[J"; print(out.c_str()); std::fflush(stdout); if (!monitor_dir.empty() && next_dir_scan < clock_type::now()) { scan_dir(monitor_dir, ses, files); next_dir_scan = clock_type::now() + seconds(poll_interval); } } ses.pause(); std::printf("saving resume data\n"); std::vector temp; ses.get_torrent_status(&temp, &yes, 0); for (std::vector::iterator i = temp.begin(); i != temp.end(); ++i) { torrent_status& st = *i; if (!st.handle.is_valid()) { std::printf(" skipping, invalid handle\n"); continue; } if (!st.has_metadata) { std::printf(" skipping %s, no metadata\n", st.name.c_str()); continue; } if (!st.need_save_resume) { std::printf(" skipping %s, resume file up-to-date\n", st.name.c_str()); continue; } // save_resume_data will generate an alert when it's done st.handle.save_resume_data(); ++num_outstanding_resume_data; std::printf("\r%d ", num_outstanding_resume_data); } std::printf("\nwaiting for resume data [%d]\n", num_outstanding_resume_data); while (num_outstanding_resume_data > 0) { alert const* a = ses.wait_for_alert(seconds(10)); if (a == nullptr) continue; std::vector alerts; ses.pop_alerts(&alerts); std::string const now = timestamp(); for (std::vector::iterator i = alerts.begin() , end(alerts.end()); i != end; ++i) { if (!::handle_alert(ses, *i, files, non_files)) { // if we didn't handle the alert, print it to the log std::string event_string; print_alert(*i, event_string); } } } if (g_log_file) std::fclose(g_log_file); // we're just saving the DHT state #ifndef TORRENT_DISABLE_DHT std::printf("\nsaving session state\n"); { entry session_state; ses.save_state(session_state, session::save_dht_state); std::vector out; bencode(std::back_inserter(out), session_state); save_file(".ses_state", out); } #endif std::printf("closing session"); return 0; }