twisterp2pnetworkbittorrentblockchainmicrobloggingipv6social-networkdhtdecentralizedtwister-servertwister-ipv6twister-coretwisterarmyp2p-network
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.1 KiB
104 lines
3.1 KiB
/* |
|
|
|
Copyright (c) 2007-2012, 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 <fstream> |
|
#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 |
|
|
|
|