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104 lines
3.1 KiB
104 lines
3.1 KiB
/* |
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Copyright (c) 2007-2012, 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/peer_id.hpp" |
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#include "libtorrent/broadcast_socket.hpp" |
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#include "libtorrent/intrusive_ptr_base.hpp" |
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#include "libtorrent/deadline_timer.hpp" |
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#include <boost/function/function2.hpp> |
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#include <boost/noncopyable.hpp> |
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#include <boost/shared_ptr.hpp> |
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#if defined(TORRENT_LOGGING) || defined(TORRENT_VERBOSE_LOGGING) |
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#include <fstream> |
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#endif |
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namespace libtorrent |
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{ |
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typedef boost::function<void(tcp::endpoint, sha1_hash)> peer_callback_t; |
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class lsd : public intrusive_ptr_base<lsd> |
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{ |
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public: |
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lsd(io_service& ios, address const& listen_interface |
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, peer_callback_t const& cb); |
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~lsd(); |
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// void rebind(address const& listen_interface); |
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void announce(sha1_hash const& ih, int listen_port, bool broadcast = false); |
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void close(); |
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private: |
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void resend_announce(error_code const& e, std::string msg); |
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void on_announce(udp::endpoint const& from, char* buffer |
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, std::size_t bytes_transferred); |
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// void setup_receive(); |
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peer_callback_t m_callback; |
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// the udp socket used to send and receive |
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// multicast messages on |
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broadcast_socket m_socket; |
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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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// current retry count |
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boost::uint32_t m_retry_count; |
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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; |
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#if defined(TORRENT_LOGGING) || defined(TORRENT_VERBOSE_LOGGING) |
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FILE* m_log; |
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#endif |
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}; |
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} |
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#endif |
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