forked from premiere/premiere-libtorrent
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
|
|
|
|
Copyright (c) 2007-2013, 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.
|
|
|
|
*/
|
|
|
|
#ifndef TORRENT_LSD_HPP
|
|
#define TORRENT_LSD_HPP
|
|
|
|
#include "libtorrent/socket.hpp"
|
|
#include "libtorrent/peer_id.hpp"
|
|
#include "libtorrent/broadcast_socket.hpp"
|
|
#include "libtorrent/intrusive_ptr_base.hpp"
|
|
#include "libtorrent/deadline_timer.hpp"
|
|
|
|
#include <boost/function/function2.hpp>
|
|
#include <boost/noncopyable.hpp>
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
#if defined(TORRENT_LOGGING) || defined(TORRENT_VERBOSE_LOGGING)
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
namespace libtorrent
|
|
{
|
|
|
|
typedef boost::function<void(tcp::endpoint, sha1_hash)> peer_callback_t;
|
|
|
|
class lsd : public intrusive_ptr_base<lsd>
|
|
{
|
|
public:
|
|
lsd(io_service& ios, address const& listen_interface
|
|
, peer_callback_t const& cb);
|
|
~lsd();
|
|
|
|
// void rebind(address const& listen_interface);
|
|
|
|
void announce(sha1_hash const& ih, int listen_port, bool broadcast = false);
|
|
void close();
|
|
|
|
private:
|
|
|
|
void resend_announce(error_code const& e, std::string msg);
|
|
void on_announce(udp::endpoint const& from, char* buffer
|
|
, std::size_t bytes_transferred);
|
|
// void setup_receive();
|
|
|
|
peer_callback_t m_callback;
|
|
|
|
// the udp socket used to send and receive
|
|
// multicast messages on
|
|
broadcast_socket m_socket;
|
|
|
|
// used to resend udp packets in case
|
|
// they time out
|
|
deadline_timer m_broadcast_timer;
|
|
|
|
// current retry count
|
|
boost::uint32_t m_retry_count;
|
|
|
|
// this is a random (presumably unique)
|
|
// ID for this LSD node. It is used to
|
|
// ignore our own broadcast messages.
|
|
// There's no point in adding ourselves
|
|
// as a peer
|
|
int m_cookie;
|
|
|
|
bool m_disabled;
|
|
#if defined(TORRENT_LOGGING) || defined(TORRENT_VERBOSE_LOGGING)
|
|
FILE* m_log;
|
|
#endif
|
|
};
|
|
|
|
}
|
|
|
|
|
|
#endif
|
|
|