123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
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/*
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Copyright (c) 2003, 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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#ifndef TORRENT_UDP_TRACKER_CONNECTION_HPP_INCLUDED
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#define TORRENT_UDP_TRACKER_CONNECTION_HPP_INCLUDED
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#include <vector>
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#include <string>
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#include <utility>
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#include <ctime>
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#ifdef _MSC_VER
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#pragma warning(push, 1)
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#endif
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#include <boost/shared_ptr.hpp>
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include <boost/cstdint.hpp>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#include "libtorrent/socket.hpp"
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#include "libtorrent/entry.hpp"
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#include "libtorrent/session_settings.hpp"
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#include "libtorrent/peer_id.hpp"
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#include "libtorrent/peer.hpp"
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#include "libtorrent/tracker_manager.hpp"
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#include "libtorrent/config.hpp"
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namespace libtorrent
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{
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class TORRENT_EXPORT udp_tracker_connection: public tracker_connection
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{
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friend class tracker_manager;
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public:
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udp_tracker_connection(
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demuxer& d
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, tracker_manager& man
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, tracker_request const& req
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, std::string const& hostname
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, unsigned short port
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, boost::weak_ptr<request_callback> c
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, session_settings const& stn);
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private:
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enum action_t
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{
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action_connect,
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action_announce,
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action_scrape,
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action_error
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};
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boost::intrusive_ptr<udp_tracker_connection> self()
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{ return boost::intrusive_ptr<udp_tracker_connection>(this); }
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void name_lookup(asio::error const& error, tcp::resolver::iterator i);
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void timeout(asio::error const& error);
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void send_udp_connect();
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void connect_response(asio::error const& error, std::size_t bytes_transferred);
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void send_udp_announce();
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void announce_response(asio::error const& error, std::size_t bytes_transferred);
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void send_udp_scrape();
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void scrape_response(asio::error const& error, std::size_t bytes_transferred);
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virtual void on_timeout();
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tracker_manager& m_man;
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tcp::resolver m_name_lookup;
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int m_port;
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boost::shared_ptr<datagram_socket> m_socket;
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udp::endpoint m_target;
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udp::endpoint m_sender;
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int m_transaction_id;
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boost::int64_t m_connection_id;
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session_settings const& m_settings;
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int m_attempts;
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std::vector<char> m_buffer;
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};
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}
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#endif // TORRENT_UDP_TRACKER_CONNECTION_HPP_INCLUDED
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