733 lines
19 KiB
C++
733 lines
19 KiB
C++
/*
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Copyright (c) 2003-2016, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctime>
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#include <iterator>
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#include <algorithm>
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#include <set>
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#include <cctype>
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#include "libtorrent/peer_id.hpp"
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#include "libtorrent/bt_peer_connection.hpp"
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#include "libtorrent/torrent_info.hpp"
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#include "libtorrent/tracker_manager.hpp"
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#include "libtorrent/bencode.hpp"
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#include "libtorrent/hasher.hpp"
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#include "libtorrent/entry.hpp"
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#include "libtorrent/session.hpp"
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#include "libtorrent/aux_/session_impl.hpp"
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#include "libtorrent/aux_/session_call.hpp"
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#include "libtorrent/invariant_check.hpp"
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#include "libtorrent/utf8.hpp"
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#include "libtorrent/announce_entry.hpp"
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#if TORRENT_COMPLETE_TYPES_REQUIRED
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#include "libtorrent/peer_info.hpp" // for peer_list_entry
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#endif
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using libtorrent::aux::session_impl;
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namespace libtorrent
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{
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#ifndef BOOST_NO_EXCEPTIONS
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void throw_invalid_handle()
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{
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throw system_error(errors::invalid_torrent_handle);
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}
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#endif
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template<typename Fun, typename... Args>
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void torrent_handle::async_call(Fun f, Args&&... a) const
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{
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std::shared_ptr<torrent> t = m_torrent.lock();
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TORRENT_ASSERT_PRECOND(t);
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if (!t) return;
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session_impl& ses = static_cast<session_impl&>(t->session());
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ses.get_io_service().dispatch([=] () { (t.get()->*f)(a...); } );
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}
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template<typename Fun, typename... Args>
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void torrent_handle::sync_call(Fun f, Args&&... a) const
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{
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std::shared_ptr<torrent> t = m_torrent.lock();
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TORRENT_ASSERT_PRECOND(t);
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if (!t) return;
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session_impl& ses = static_cast<session_impl&>(t->session());
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// this is the flag to indicate the call has completed
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bool done = false;
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ses.get_io_service().dispatch([=,&done,&ses] ()
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{
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(t.get()->*f)(a...);
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std::unique_lock<std::mutex> l(ses.mut);
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done = true;
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ses.cond.notify_all();
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} );
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aux::torrent_wait(done, ses);
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}
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template<typename Ret, typename Fun, typename... Args>
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Ret torrent_handle::sync_call_ret(Ret def, Fun f, Args&&... a) const
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{
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std::shared_ptr<torrent> t = m_torrent.lock();
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TORRENT_ASSERT_PRECOND(t);
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Ret r = def;
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if (!t) return r;
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session_impl& ses = static_cast<session_impl&>(t->session());
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// this is the flag to indicate the call has completed
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bool done = false;
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ses.get_io_service().dispatch([=,&r,&done,&ses] ()
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{
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r = (t.get()->*f)(a...);
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std::unique_lock<std::mutex> l(ses.mut);
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done = true;
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ses.cond.notify_all();
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} );
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aux::torrent_wait(done, ses);
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return r;
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}
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sha1_hash torrent_handle::info_hash() const
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{
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std::shared_ptr<torrent> t = m_torrent.lock();
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static const sha1_hash empty;
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if (!t) return empty;
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return t->info_hash();
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}
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int torrent_handle::max_uploads() const
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{
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return sync_call_ret<int>(0, &torrent::max_uploads);
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}
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void torrent_handle::set_max_uploads(int max_uploads) const
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{
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TORRENT_ASSERT_PRECOND(max_uploads >= 2 || max_uploads == -1);
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async_call(&torrent::set_max_uploads, max_uploads, true);
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}
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int torrent_handle::max_connections() const
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{
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return sync_call_ret<int>(0, &torrent::max_connections);
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}
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void torrent_handle::set_max_connections(int max_connections) const
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{
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TORRENT_ASSERT_PRECOND(max_connections >= 2 || max_connections == -1);
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async_call(&torrent::set_max_connections, max_connections, true);
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}
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void torrent_handle::set_upload_limit(int limit) const
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{
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TORRENT_ASSERT_PRECOND(limit >= -1);
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async_call(&torrent::set_upload_limit, limit);
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}
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int torrent_handle::upload_limit() const
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{
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return sync_call_ret<int>(0, &torrent::upload_limit);
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}
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void torrent_handle::set_download_limit(int limit) const
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{
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TORRENT_ASSERT_PRECOND(limit >= -1);
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async_call(&torrent::set_download_limit, limit);
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}
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int torrent_handle::download_limit() const
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{
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return sync_call_ret<int>(0, &torrent::download_limit);
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}
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void torrent_handle::move_storage(
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std::string const& save_path, int flags) const
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{
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async_call(&torrent::move_storage, save_path, flags);
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}
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#if TORRENT_USE_WSTRING
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#ifndef TORRENT_NO_DEPRECATE
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void torrent_handle::move_storage(
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std::wstring const& save_path, int flags) const
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{
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async_call(&torrent::move_storage, wchar_utf8(save_path), flags);
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}
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void torrent_handle::rename_file(int index, std::wstring const& new_name) const
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{
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async_call(&torrent::rename_file, index, wchar_utf8(new_name));
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}
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#endif // TORRENT_NO_DEPRECATE
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#endif // TORRENT_USE_WSTRING
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void torrent_handle::rename_file(int index, std::string const& new_name) const
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{
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async_call(&torrent::rename_file, index, new_name);
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}
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void torrent_handle::add_extension(
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std::function<std::shared_ptr<torrent_plugin>(torrent_handle const&, void*)> const& ext
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, void* userdata)
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{
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#ifndef TORRENT_DISABLE_EXTENSIONS
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async_call(&torrent::add_extension_fun, ext, userdata);
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#else
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TORRENT_UNUSED(ext);
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TORRENT_UNUSED(userdata);
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#endif
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}
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bool torrent_handle::set_metadata(span<char const> metadata) const
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{
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return sync_call_ret<bool>(false, &torrent::set_metadata, metadata);
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}
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void torrent_handle::pause(int flags) const
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{
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async_call(&torrent::pause, bool(flags & graceful_pause));
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}
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void torrent_handle::stop_when_ready(bool b) const
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{
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async_call(&torrent::stop_when_ready, b);
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}
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void torrent_handle::apply_ip_filter(bool b) const
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{
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async_call(&torrent::set_apply_ip_filter, b);
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}
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void torrent_handle::set_share_mode(bool b) const
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{
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async_call(&torrent::set_share_mode, b);
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}
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void torrent_handle::set_upload_mode(bool b) const
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{
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async_call(&torrent::set_upload_mode, b);
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}
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void torrent_handle::flush_cache() const
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{
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async_call(&torrent::flush_cache);
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}
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void torrent_handle::set_ssl_certificate(
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std::string const& certificate
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, std::string const& private_key
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, std::string const& dh_params
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, std::string const& passphrase)
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{
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#ifdef TORRENT_USE_OPENSSL
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async_call(&torrent::set_ssl_cert, certificate, private_key, dh_params, passphrase);
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#else
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TORRENT_UNUSED(certificate);
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TORRENT_UNUSED(private_key);
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TORRENT_UNUSED(dh_params);
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TORRENT_UNUSED(passphrase);
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#endif
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}
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void torrent_handle::set_ssl_certificate_buffer(
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std::string const& certificate
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, std::string const& private_key
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, std::string const& dh_params)
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{
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#ifdef TORRENT_USE_OPENSSL
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async_call(&torrent::set_ssl_cert_buffer, certificate, private_key, dh_params);
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#else
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TORRENT_UNUSED(certificate);
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TORRENT_UNUSED(private_key);
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TORRENT_UNUSED(dh_params);
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#endif
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}
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void torrent_handle::save_resume_data(int f) const
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{
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async_call(&torrent::save_resume_data, f);
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}
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bool torrent_handle::need_save_resume_data() const
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{
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return sync_call_ret<bool>(false, &torrent::need_save_resume_data);
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}
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void torrent_handle::force_recheck() const
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{
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async_call(&torrent::force_recheck);
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}
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void torrent_handle::resume() const
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{
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async_call(&torrent::resume);
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}
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void torrent_handle::auto_managed(bool m) const
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{
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async_call(&torrent::auto_managed, m);
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}
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int torrent_handle::queue_position() const
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{
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return sync_call_ret<int>(-1, &torrent::queue_position);
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}
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void torrent_handle::queue_position_up() const
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{
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async_call(&torrent::queue_up);
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}
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void torrent_handle::queue_position_down() const
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{
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async_call(&torrent::queue_down);
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}
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void torrent_handle::queue_position_top() const
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{
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async_call(&torrent::set_queue_position, 0);
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}
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void torrent_handle::queue_position_bottom() const
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{
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async_call(&torrent::set_queue_position, INT_MAX);
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}
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void torrent_handle::clear_error() const
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{
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async_call(&torrent::clear_error);
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}
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#ifndef TORRENT_NO_DEPRECATE
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void torrent_handle::set_priority(int) const {}
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void torrent_handle::set_tracker_login(std::string const& name
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, std::string const& password) const
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{
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async_call(&torrent::set_tracker_login, name, password);
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}
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#endif
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void torrent_handle::file_progress(std::vector<std::int64_t>& progress, int flags) const
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{
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sync_call(&torrent::file_progress, std::ref(progress), flags);
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}
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torrent_status torrent_handle::status(std::uint32_t flags) const
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{
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torrent_status st;
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sync_call(&torrent::status, &st, flags);
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return st;
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}
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void torrent_handle::set_pinned(bool p) const
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{
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async_call(&torrent::set_pinned, p);
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}
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void torrent_handle::set_sequential_download(bool sd) const
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{
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async_call(&torrent::set_sequential_download, sd);
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}
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void torrent_handle::piece_availability(std::vector<int>& avail) const
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{
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auto availr = std::ref(avail);
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sync_call(&torrent::piece_availability, availr);
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}
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void torrent_handle::piece_priority(int index, int priority) const
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{
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async_call(&torrent::set_piece_priority, index, priority);
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}
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int torrent_handle::piece_priority(int index) const
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{
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return sync_call_ret<int>(0, &torrent::piece_priority, index);
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}
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void torrent_handle::prioritize_pieces(std::vector<int> const& pieces) const
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{
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async_call(&torrent::prioritize_pieces, pieces);
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}
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void torrent_handle::prioritize_pieces(std::vector<std::pair<int, int> > const& pieces) const
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{
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async_call(&torrent::prioritize_piece_list, pieces);
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}
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std::vector<int> torrent_handle::piece_priorities() const
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{
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std::vector<int> ret;
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auto retp = &ret;
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sync_call(&torrent::piece_priorities, retp);
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return ret;
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}
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void torrent_handle::file_priority(int index, int priority) const
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{
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async_call(&torrent::set_file_priority, index, priority);
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}
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int torrent_handle::file_priority(int index) const
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{
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return sync_call_ret<int>(0, &torrent::file_priority, index);
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}
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void torrent_handle::prioritize_files(std::vector<int> const& files) const
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{
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async_call(&torrent::prioritize_files, files);
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}
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std::vector<int> torrent_handle::file_priorities() const
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{
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std::vector<int> ret;
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auto retp = &ret;
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sync_call(&torrent::file_priorities, retp);
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return ret;
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}
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#ifndef TORRENT_NO_DEPRECATE
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// ============ start deprecation ===============
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int torrent_handle::get_peer_upload_limit(tcp::endpoint) const { return -1; }
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int torrent_handle::get_peer_download_limit(tcp::endpoint) const { return -1; }
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void torrent_handle::set_peer_upload_limit(tcp::endpoint, int /* limit */) const {}
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void torrent_handle::set_peer_download_limit(tcp::endpoint, int /* limit */) const {}
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void torrent_handle::set_ratio(float) const {}
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void torrent_handle::use_interface(const char* net_interface) const
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{
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async_call(&torrent::use_interface, std::string(net_interface));
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}
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#if !TORRENT_NO_FPU
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void torrent_handle::file_progress(std::vector<float>& progress) const
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{
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sync_call(&torrent::file_progress_float, std::ref(progress));
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}
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#endif
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bool torrent_handle::is_seed() const
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{
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return sync_call_ret<bool>(false, &torrent::is_seed);
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}
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bool torrent_handle::is_finished() const
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{
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return sync_call_ret<bool>(false, &torrent::is_finished);
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}
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bool torrent_handle::is_paused() const
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{
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return sync_call_ret<bool>(false, &torrent::is_torrent_paused);
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}
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bool torrent_handle::is_sequential_download() const
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{
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return sync_call_ret<bool>(false, &torrent::is_sequential_download);
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}
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bool torrent_handle::is_auto_managed() const
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{
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return sync_call_ret<bool>(false, &torrent::is_auto_managed);
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}
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bool torrent_handle::has_metadata() const
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{
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return sync_call_ret<bool>(false, &torrent::valid_metadata);
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}
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void torrent_handle::filter_piece(int index, bool filter) const
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{
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async_call(&torrent::filter_piece, index, filter);
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}
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void torrent_handle::filter_pieces(std::vector<bool> const& pieces) const
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{
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async_call(&torrent::filter_pieces, pieces);
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}
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bool torrent_handle::is_piece_filtered(int index) const
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{
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return sync_call_ret<bool>(false, &torrent::is_piece_filtered, index);
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}
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std::vector<bool> torrent_handle::filtered_pieces() const
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{
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std::vector<bool> ret;
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auto retr = std::ref(ret);
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sync_call(&torrent::filtered_pieces, retr);
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return ret;
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}
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void torrent_handle::filter_files(std::vector<bool> const& files) const
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{
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auto filesr= std::ref(files);
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async_call(&torrent::filter_files, filesr);
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}
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bool torrent_handle::super_seeding() const
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{
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return sync_call_ret<bool>(false, &torrent::super_seeding);
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}
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// ============ end deprecation ===============
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#endif
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std::vector<announce_entry> torrent_handle::trackers() const
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{
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static const std::vector<announce_entry> empty;
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return sync_call_ret<std::vector<announce_entry>>(empty, &torrent::trackers);
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}
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void torrent_handle::add_url_seed(std::string const& url) const
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{
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async_call(&torrent::add_web_seed, url, web_seed_entry::url_seed
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, std::string(), web_seed_entry::headers_t(), false);
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}
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void torrent_handle::remove_url_seed(std::string const& url) const
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{
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async_call(&torrent::remove_web_seed, url, web_seed_entry::url_seed);
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}
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std::set<std::string> torrent_handle::url_seeds() const
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{
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static const std::set<std::string> empty;
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return sync_call_ret<std::set<std::string>>(empty, &torrent::web_seeds, web_seed_entry::url_seed);
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}
|
|
|
|
void torrent_handle::add_http_seed(std::string const& url) const
|
|
{
|
|
async_call(&torrent::add_web_seed, url, web_seed_entry::http_seed
|
|
, std::string(), web_seed_entry::headers_t(), false);
|
|
}
|
|
|
|
void torrent_handle::remove_http_seed(std::string const& url) const
|
|
{
|
|
async_call(&torrent::remove_web_seed, url, web_seed_entry::http_seed);
|
|
}
|
|
|
|
std::set<std::string> torrent_handle::http_seeds() const
|
|
{
|
|
static const std::set<std::string> empty;
|
|
return sync_call_ret<std::set<std::string>>(empty, &torrent::web_seeds, web_seed_entry::http_seed);
|
|
}
|
|
|
|
void torrent_handle::replace_trackers(
|
|
std::vector<announce_entry> const& urls) const
|
|
{
|
|
async_call(&torrent::replace_trackers, urls);
|
|
}
|
|
|
|
void torrent_handle::add_tracker(announce_entry const& url) const
|
|
{
|
|
async_call(&torrent::add_tracker, url);
|
|
}
|
|
|
|
void torrent_handle::add_piece(int piece, char const* data, int flags) const
|
|
{
|
|
sync_call(&torrent::add_piece, piece, data, flags);
|
|
}
|
|
|
|
void torrent_handle::read_piece(int piece) const
|
|
{
|
|
async_call(&torrent::read_piece, piece);
|
|
}
|
|
|
|
bool torrent_handle::have_piece(int piece) const
|
|
{
|
|
return sync_call_ret<bool>(false, &torrent::have_piece, piece);
|
|
}
|
|
|
|
storage_interface* torrent_handle::get_storage_impl() const
|
|
{
|
|
return sync_call_ret<storage_interface*>(nullptr, &torrent::get_storage);
|
|
}
|
|
|
|
bool torrent_handle::is_valid() const
|
|
{
|
|
return !m_torrent.expired();
|
|
}
|
|
|
|
std::shared_ptr<const torrent_info> torrent_handle::torrent_file() const
|
|
{
|
|
return sync_call_ret<std::shared_ptr<const torrent_info>>(
|
|
std::shared_ptr<const torrent_info>(), &torrent::get_torrent_copy);
|
|
}
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
// this function should either be removed, or return
|
|
// reference counted handle to the torrent_info which
|
|
// forces the torrent to stay loaded while the client holds it
|
|
torrent_info const& torrent_handle::get_torrent_info() const
|
|
{
|
|
static std::shared_ptr<const torrent_info> holder[4];
|
|
static int cursor = 0;
|
|
static std::mutex holder_mutex;
|
|
|
|
std::shared_ptr<const torrent_info> r = torrent_file();
|
|
|
|
std::lock_guard<std::mutex> l(holder_mutex);
|
|
holder[cursor++] = r;
|
|
cursor = cursor % (sizeof(holder) / sizeof(holder[0]));
|
|
return *r;
|
|
}
|
|
|
|
entry torrent_handle::write_resume_data() const
|
|
{
|
|
entry ret(entry::dictionary_t);
|
|
auto retr = std::ref(ret);
|
|
sync_call(&torrent::write_resume_data, retr);
|
|
return ret;
|
|
}
|
|
|
|
std::string torrent_handle::save_path() const
|
|
{
|
|
return sync_call_ret<std::string>("", &torrent::save_path);
|
|
}
|
|
|
|
std::string torrent_handle::name() const
|
|
{
|
|
return sync_call_ret<std::string>("", &torrent::name);
|
|
}
|
|
|
|
#endif
|
|
|
|
void torrent_handle::connect_peer(tcp::endpoint const& adr, int source, int flags) const
|
|
{
|
|
async_call(&torrent::add_peer, adr, source, flags);
|
|
}
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
void torrent_handle::force_reannounce(
|
|
boost::posix_time::time_duration duration) const
|
|
{
|
|
async_call(&torrent::force_tracker_request, aux::time_now()
|
|
+ seconds(duration.total_seconds()), -1);
|
|
}
|
|
|
|
void torrent_handle::file_status(std::vector<pool_file_status>& status) const
|
|
{
|
|
status.clear();
|
|
|
|
std::shared_ptr<torrent> t = m_torrent.lock();
|
|
if (!t || !t->has_storage()) return;
|
|
session_impl& ses = static_cast<session_impl&>(t->session());
|
|
status = ses.disk_thread().files().get_status(&t->storage());
|
|
}
|
|
#endif
|
|
|
|
void torrent_handle::force_dht_announce() const
|
|
{
|
|
#ifndef TORRENT_DISABLE_DHT
|
|
async_call(&torrent::dht_announce);
|
|
#endif
|
|
}
|
|
|
|
void torrent_handle::force_reannounce(int s, int idx) const
|
|
{
|
|
async_call(&torrent::force_tracker_request, aux::time_now() + seconds(s), idx);
|
|
}
|
|
|
|
std::vector<pool_file_status> torrent_handle::file_status() const
|
|
{
|
|
std::shared_ptr<torrent> t = m_torrent.lock();
|
|
if (!t || !t->has_storage()) return {};
|
|
session_impl& ses = static_cast<session_impl&>(t->session());
|
|
return ses.disk_thread().files().get_status(&t->storage());
|
|
}
|
|
|
|
void torrent_handle::scrape_tracker(int idx) const
|
|
{
|
|
async_call(&torrent::scrape_tracker, idx, true);
|
|
}
|
|
|
|
void torrent_handle::super_seeding(bool on) const
|
|
{
|
|
async_call(&torrent::set_super_seeding, on);
|
|
}
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
void torrent_handle::get_full_peer_list(std::vector<peer_list_entry>& v) const
|
|
{
|
|
auto vp = &v;
|
|
sync_call(&torrent::get_full_peer_list, vp);
|
|
}
|
|
#endif
|
|
|
|
void torrent_handle::get_peer_info(std::vector<peer_info>& v) const
|
|
{
|
|
auto vp = &v;
|
|
sync_call(&torrent::get_peer_info, vp);
|
|
}
|
|
|
|
void torrent_handle::get_download_queue(std::vector<partial_piece_info>& queue) const
|
|
{
|
|
auto queuep = &queue;
|
|
sync_call(&torrent::get_download_queue, queuep);
|
|
}
|
|
|
|
void torrent_handle::set_piece_deadline(int index, int deadline, int flags) const
|
|
{
|
|
async_call(&torrent::set_piece_deadline, index, deadline, flags);
|
|
}
|
|
|
|
void torrent_handle::reset_piece_deadline(int index) const
|
|
{
|
|
async_call(&torrent::reset_piece_deadline, index);
|
|
}
|
|
|
|
void torrent_handle::clear_piece_deadlines() const
|
|
{
|
|
async_call(&torrent::clear_time_critical);
|
|
}
|
|
|
|
std::shared_ptr<torrent> torrent_handle::native_handle() const
|
|
{
|
|
return m_torrent.lock();
|
|
}
|
|
|
|
std::size_t hash_value(torrent_handle const& th)
|
|
{
|
|
// using the locked shared_ptr value as hash doesn't work
|
|
// for expired weak_ptrs. So, we're left with a hack
|
|
return std::size_t(*reinterpret_cast<void* const*>(&th.m_torrent));
|
|
}
|
|
}
|