/* 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 "libtorrent/pch.hpp" #include #include #include #include #include #include #include #include #include #ifdef _MSC_VER #pragma warning(push, 1) #endif #include #include #include #include #ifdef _MSC_VER #pragma warning(pop) #endif #include "libtorrent/peer_id.hpp" #include "libtorrent/bt_peer_connection.hpp" #include "libtorrent/torrent_info.hpp" #include "libtorrent/tracker_manager.hpp" #include "libtorrent/bencode.hpp" #include "libtorrent/hasher.hpp" #include "libtorrent/entry.hpp" #include "libtorrent/session.hpp" #include "libtorrent/aux_/session_impl.hpp" #include "libtorrent/invariant_check.hpp" #if defined(_MSC_VER) && _MSC_VER < 1300 namespace std { using ::srand; using ::isalnum; }; #endif using boost::bind; using boost::mutex; using libtorrent::aux::session_impl; namespace libtorrent { namespace fs = boost::filesystem; namespace { void throw_invalid_handle() { throw invalid_handle(); } boost::shared_ptr find_torrent( session_impl* ses , aux::checker_impl* chk , sha1_hash const& hash) { aux::piece_checker_data* d = chk->find_torrent(hash); if (d != 0) return d->torrent_ptr; boost::shared_ptr t = ses->find_torrent(hash).lock(); if (t) return t; // throwing directly instead of calling // the throw_invalid_handle() function // avoids a warning in gcc throw invalid_handle(); } } #ifndef NDEBUG void torrent_handle::check_invariant() const { TORRENT_ASSERT((m_ses == 0 && m_chk == 0) || (m_ses != 0 && m_chk != 0)); } #endif void torrent_handle::set_max_uploads(int max_uploads) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); TORRENT_ASSERT(max_uploads >= 2 || max_uploads == -1); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_max_uploads(max_uploads); } void torrent_handle::use_interface(const char* net_interface) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->use_interface(net_interface); } void torrent_handle::set_max_connections(int max_connections) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); TORRENT_ASSERT(max_connections >= 2 || max_connections == -1); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_max_connections(max_connections); } void torrent_handle::set_peer_upload_limit(tcp::endpoint ip, int limit) const { INVARIANT_CHECK; TORRENT_ASSERT(limit >= -1); if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_peer_upload_limit(ip, limit); } void torrent_handle::set_peer_download_limit(tcp::endpoint ip, int limit) const { INVARIANT_CHECK; TORRENT_ASSERT(limit >= -1); if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_peer_download_limit(ip, limit); } void torrent_handle::set_upload_limit(int limit) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); TORRENT_ASSERT(limit >= -1); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_upload_limit(limit); } int torrent_handle::upload_limit() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->upload_limit(); } void torrent_handle::set_download_limit(int limit) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); TORRENT_ASSERT(limit >= -1); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_download_limit(limit); } int torrent_handle::download_limit() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->download_limit(); } void torrent_handle::move_storage( fs::path const& save_path) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->move_storage(save_path); } bool torrent_handle::has_metadata() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->valid_metadata(); } bool torrent_handle::is_seed() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->is_seed(); } bool torrent_handle::is_paused() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->is_paused(); } void torrent_handle::pause() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->pause(); } void torrent_handle::resume() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->resume(); } void torrent_handle::set_tracker_login(std::string const& name , std::string const& password) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_tracker_login(name, password); } void torrent_handle::file_progress(std::vector& progress) { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); aux::piece_checker_data* d = m_chk->find_torrent(m_info_hash); if (d != 0) { if (!d->processing) { torrent_info const& info = d->torrent_ptr->torrent_file(); progress.clear(); progress.resize(info.num_files(), 0.f); return; } d->torrent_ptr->file_progress(progress); return; } boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (t) return t->file_progress(progress); throw_invalid_handle(); } torrent_status torrent_handle::status() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); aux::piece_checker_data* d = m_chk->find_torrent(m_info_hash); if (d != 0) { torrent_status st = d->torrent_ptr->status(); if (d->processing) { if (d->torrent_ptr->is_allocating()) st.state = torrent_status::allocating; else st.state = torrent_status::checking_files; } else st.state = torrent_status::queued_for_checking; st.progress = d->progress; st.paused = d->torrent_ptr->is_paused(); return st; } boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (t) return t->status(); throw_invalid_handle(); return torrent_status(); } void torrent_handle::set_sequenced_download_threshold(int threshold) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_sequenced_download_threshold(threshold); } std::string torrent_handle::name() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->name(); } void torrent_handle::piece_availability(std::vector& avail) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->piece_availability(avail); } void torrent_handle::piece_priority(int index, int priority) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_piece_priority(index, priority); } int torrent_handle::piece_priority(int index) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->piece_priority(index); } void torrent_handle::prioritize_pieces(std::vector const& pieces) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->prioritize_pieces(pieces); } std::vector torrent_handle::piece_priorities() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); std::vector ret; session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->piece_priorities(ret); return ret; } void torrent_handle::prioritize_files(std::vector const& files) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->prioritize_files(files); } // ============ start deprecation =============== void torrent_handle::filter_piece(int index, bool filter) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->filter_piece(index, filter); } void torrent_handle::filter_pieces(std::vector const& pieces) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->filter_pieces(pieces); } bool torrent_handle::is_piece_filtered(int index) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->is_piece_filtered(index); } std::vector torrent_handle::filtered_pieces() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); std::vector ret; session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->filtered_pieces(ret); return ret; } void torrent_handle::filter_files(std::vector const& files) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->filter_files(files); } // ============ end deprecation =============== std::vector const& torrent_handle::trackers() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->trackers(); } void torrent_handle::add_url_seed(std::string const& url) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->add_url_seed(url); } void torrent_handle::remove_url_seed(std::string const& url) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->remove_url_seed(url); } std::set torrent_handle::url_seeds() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->url_seeds(); } void torrent_handle::replace_trackers( std::vector const& urls) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->replace_trackers(urls); } torrent_info const& torrent_handle::get_torrent_info() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); boost::shared_ptr t = find_torrent(m_ses, m_chk, m_info_hash); if (!t->valid_metadata()) throw_invalid_handle(); return t->torrent_file(); } bool torrent_handle::is_valid() const { INVARIANT_CHECK; if (m_ses == 0) return false; TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); aux::piece_checker_data* d = m_chk->find_torrent(m_info_hash); if (d != 0) return true; { boost::weak_ptr t = m_ses->find_torrent(m_info_hash); if (!t.expired()) return true; } return false; } entry torrent_handle::write_resume_data() const { INVARIANT_CHECK; std::vector piece_index; if (m_ses == 0) return entry(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (!t) return entry(); if (!t->valid_metadata()) return entry(); t->filesystem().export_piece_map(piece_index); entry ret(entry::dictionary_t); ret["file-format"] = "libtorrent resume file"; ret["file-version"] = 1; ret["allocation"] = t->filesystem().compact_allocation()?"compact":"full"; const sha1_hash& info_hash = t->torrent_file().info_hash(); ret["info-hash"] = std::string((char*)info_hash.begin(), (char*)info_hash.end()); ret["slots"] = entry(entry::list_t); entry::list_type& slots = ret["slots"].list(); std::copy(piece_index.begin(), piece_index.end(), std::back_inserter(slots)); // blocks per piece int num_blocks_per_piece = static_cast(t->torrent_file().piece_length()) / t->block_size(); ret["blocks per piece"] = num_blocks_per_piece; // if this torrent is a seed, we won't have a piece picker // and there will be no half-finished pieces. if (!t->is_seed()) { const piece_picker& p = t->picker(); const std::vector& q = p.get_download_queue(); // unfinished pieces ret["unfinished"] = entry::list_type(); entry::list_type& up = ret["unfinished"].list(); // info for each unfinished piece for (std::vector::const_iterator i = q.begin(); i != q.end(); ++i) { if (i->finished == 0) continue; entry piece_struct(entry::dictionary_t); // the unfinished piece's index piece_struct["piece"] = i->index; std::string bitmask; const int num_bitmask_bytes = (std::max)(num_blocks_per_piece / 8, 1); for (int j = 0; j < num_bitmask_bytes; ++j) { unsigned char v = 0; int bits = (std::min)(num_blocks_per_piece - j*8, 8); for (int k = 0; k < bits; ++k) v |= (i->info[j*8+k].state == piece_picker::block_info::state_finished) ? (1 << k) : 0; bitmask.insert(bitmask.end(), v); TORRENT_ASSERT(bits == 8 || j == num_bitmask_bytes - 1); } piece_struct["bitmask"] = bitmask; TORRENT_ASSERT(t->filesystem().slot_for_piece(i->index) >= 0); unsigned long adler = t->filesystem().piece_crc( t->filesystem().slot_for_piece(i->index) , t->block_size() , i->info); piece_struct["adler32"] = adler; // push the struct onto the unfinished-piece list up.push_back(piece_struct); } } // write local peers entry::list_type& peer_list = ret["peers"].list(); entry::list_type& banned_peer_list = ret["banned_peers"].list(); policy& pol = t->get_policy(); for (policy::iterator i = pol.begin_peer() , end(pol.end_peer()); i != end; ++i) { if (i->second.banned) { tcp::endpoint ip = i->second.ip; entry peer(entry::dictionary_t); peer["ip"] = ip.address().to_string(); peer["port"] = ip.port(); banned_peer_list.push_back(peer); continue; } // we cannot save remote connection // since we don't know their listen port // unless they gave us their listen port // through the extension handshake // so, if the peer is not connectable (i.e. we // don't know its listen port) or if it has // been banned, don't save it. if (i->second.type == policy::peer::not_connectable) continue; tcp::endpoint ip = i->second.ip; entry peer(entry::dictionary_t); peer["ip"] = ip.address().to_string(); peer["port"] = ip.port(); peer_list.push_back(peer); } t->filesystem().write_resume_data(ret); return ret; } fs::path torrent_handle::save_path() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->save_path(); } void torrent_handle::connect_peer(tcp::endpoint const& adr, int source) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (!t) { // the torrent is being checked. Add the peer to its // peer list. The entries in there will be connected // once the checking is complete. mutex::scoped_lock l2(m_chk->m_mutex); aux::piece_checker_data* d = m_chk->find_torrent(m_info_hash); if (d == 0) throw_invalid_handle(); d->peers.push_back(adr); return; } peer_id id; std::fill(id.begin(), id.end(), 0); t->get_policy().peer_from_tracker(adr, id, source, 0); } void torrent_handle::force_reannounce( boost::posix_time::time_duration duration) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (!t) throw_invalid_handle(); t->force_tracker_request(time_now() + seconds(duration.total_seconds())); } void torrent_handle::force_reannounce() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (!t) throw_invalid_handle(); t->force_tracker_request(); } void torrent_handle::set_ratio(float ratio) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); TORRENT_ASSERT(ratio >= 0.f); if (ratio < 1.f && ratio > 0.f) ratio = 1.f; session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->set_ratio(ratio); } #ifndef TORRENT_DISABLE_RESOLVE_COUNTRIES void torrent_handle::resolve_countries(bool r) { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); find_torrent(m_ses, m_chk, m_info_hash)->resolve_countries(r); } bool torrent_handle::resolve_countries() const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l1(m_ses->m_mutex); mutex::scoped_lock l2(m_chk->m_mutex); return find_torrent(m_ses, m_chk, m_info_hash)->resolving_countries(); } #endif void torrent_handle::get_peer_info(std::vector& v) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); v.clear(); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); if (!t) return; for (torrent::const_peer_iterator i = t->begin(); i != t->end(); ++i) { peer_connection* peer = i->second; // incoming peers that haven't finished the handshake should // not be included in this list if (peer->associated_torrent().expired()) continue; v.push_back(peer_info()); peer_info& p = v.back(); peer->get_peer_info(p); #ifndef TORRENT_DISABLE_RESOLVE_COUNTRIES if (t->resolving_countries()) t->resolve_peer_country(intrusive_ptr(peer)); #endif } } void torrent_handle::get_download_queue(std::vector& queue) const { INVARIANT_CHECK; if (m_ses == 0) throw_invalid_handle(); TORRENT_ASSERT(m_chk); session_impl::mutex_t::scoped_lock l(m_ses->m_mutex); boost::shared_ptr t = m_ses->find_torrent(m_info_hash).lock(); queue.clear(); if (!t) return; if (!t->valid_metadata()) return; // if we're a seed, the piece picker has been removed if (t->is_seed()) return; const piece_picker& p = t->picker(); const std::vector& q = p.get_download_queue(); int block_size = t->block_size(); for (std::vector::const_iterator i = q.begin(); i != q.end(); ++i) { partial_piece_info pi; pi.piece_state = (partial_piece_info::state_t)i->state; pi.blocks_in_piece = p.blocks_in_piece(i->index); pi.finished = (int)i->finished; pi.writing = (int)i->writing; pi.requested = (int)i->requested; int piece_size = t->torrent_file().piece_size(i->index); for (int j = 0; j < pi.blocks_in_piece; ++j) { block_info& bi = pi.blocks[j]; bi.state = i->info[j].state; bi.block_size = j < pi.blocks_in_piece - 1 ? block_size : piece_size - (j * block_size); bool complete = bi.state == block_info::writing || bi.state == block_info::finished; if (i->info[j].peer == 0) { bi.peer = tcp::endpoint(); bi.bytes_progress = complete ? bi.block_size : 0; } else { policy::peer* p = static_cast(i->info[j].peer); if (p->connection) { bi.peer = p->connection->remote(); if (bi.state == block_info::requested) { boost::optional pbp = p->connection->downloading_piece_progress(); if (pbp && pbp->piece_index == i->index && pbp->block_index == j) { bi.bytes_progress = pbp->bytes_downloaded; TORRENT_ASSERT(bi.bytes_progress <= bi.block_size); } else { bi.bytes_progress = 0; } } else { bi.bytes_progress = complete ? bi.block_size : 0; } } else { bi.peer = p->ip; bi.bytes_progress = complete ? bi.block_size : 0; } } pi.blocks[j].num_peers = i->info[j].num_peers; } pi.piece_index = i->index; queue.push_back(pi); } } }