93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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Copyright (c) 2007-2018, 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_LSD_HPP
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#define TORRENT_LSD_HPP
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#include "libtorrent/socket.hpp"
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#include "libtorrent/sha1_hash.hpp"
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#include "libtorrent/broadcast_socket.hpp"
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#include "libtorrent/deadline_timer.hpp"
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#include "libtorrent/aux_/lsd.hpp"
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namespace libtorrent {
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struct lsd : std::enable_shared_from_this<lsd>
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{
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lsd(io_service& ios, aux::lsd_callback& cb
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, address const& listen_address, address const& netmask);
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~lsd();
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void start(error_code& ec);
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void announce(sha1_hash const& ih, int listen_port);
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void close();
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private:
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std::shared_ptr<lsd> self() { return shared_from_this(); }
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void announce_impl(sha1_hash const& ih, int listen_port, int retry_count);
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void resend_announce(error_code const& e, sha1_hash const& ih
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, int listen_port, int retry_count);
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void on_announce(error_code const& ec);
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aux::lsd_callback& m_callback;
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address m_listen_address;
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address m_netmask;
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udp::socket m_socket;
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#ifndef TORRENT_DISABLE_LOGGING
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bool should_log() const;
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void debug_log(char const* fmt, ...) const TORRENT_FORMAT(2, 3);
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#endif
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// used to resend udp packets in case
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// they time out
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deadline_timer m_broadcast_timer;
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// this is a random (presumably unique)
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// ID for this LSD node. It is used to
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// ignore our own broadcast messages.
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// There's no point in adding ourselves
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// as a peer
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int m_cookie;
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bool m_disabled = false;
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};
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}
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#endif
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