forked from premiere/premiere-libtorrent
144 lines
4.0 KiB
C++
144 lines
4.0 KiB
C++
/*
|
|
|
|
Copyright (c) 2003, 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_UDP_TRACKER_CONNECTION_HPP_INCLUDED
|
|
#define TORRENT_UDP_TRACKER_CONNECTION_HPP_INCLUDED
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <ctime>
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push, 1)
|
|
#endif
|
|
|
|
#include <boost/shared_ptr.hpp>
|
|
#include <boost/cstdint.hpp>
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
#include "libtorrent/udp_socket.hpp"
|
|
#include "libtorrent/entry.hpp"
|
|
#include "libtorrent/session_settings.hpp"
|
|
#include "libtorrent/peer_id.hpp"
|
|
#include "libtorrent/peer.hpp"
|
|
#include "libtorrent/tracker_manager.hpp"
|
|
#include "libtorrent/config.hpp"
|
|
|
|
namespace libtorrent
|
|
{
|
|
namespace aux { struct session_impl; }
|
|
|
|
class TORRENT_EXPORT udp_tracker_connection: public tracker_connection
|
|
{
|
|
friend class tracker_manager;
|
|
public:
|
|
|
|
udp_tracker_connection(
|
|
io_service& ios
|
|
, connection_queue& cc
|
|
, tracker_manager& man
|
|
, tracker_request const& req
|
|
, boost::weak_ptr<request_callback> c
|
|
, aux::session_impl& ses
|
|
, proxy_settings const& ps);
|
|
|
|
void start();
|
|
void close();
|
|
|
|
#if !defined TORRENT_VERBOSE_LOGGING && !defined TORRENT_LOGGING && !defined TORRENT_ERROR_LOGGING
|
|
// necessary for logging member offsets
|
|
private:
|
|
#endif
|
|
|
|
enum action_t
|
|
{
|
|
action_connect,
|
|
action_announce,
|
|
action_scrape,
|
|
action_error
|
|
};
|
|
|
|
boost::intrusive_ptr<udp_tracker_connection> self()
|
|
{ return boost::intrusive_ptr<udp_tracker_connection>(this); }
|
|
|
|
void name_lookup(error_code const& error, tcp::resolver::iterator i);
|
|
void timeout(error_code const& error);
|
|
void start_announce();
|
|
|
|
bool on_receive(error_code const& e, udp::endpoint const& ep
|
|
, char const* buf, int size);
|
|
bool on_receive_hostname(error_code const& e, char const* hostname
|
|
, char const* buf, int size);
|
|
bool on_connect_response(char const* buf, int size);
|
|
bool on_announce_response(char const* buf, int size);
|
|
bool on_scrape_response(char const* buf, int size);
|
|
|
|
void send_udp_connect();
|
|
void send_udp_announce();
|
|
void send_udp_scrape();
|
|
|
|
virtual void on_timeout(error_code const& ec);
|
|
|
|
tracker_manager& m_man;
|
|
|
|
bool m_abort;
|
|
std::string m_hostname;
|
|
udp::endpoint m_target;
|
|
std::list<tcp::endpoint> m_endpoints;
|
|
|
|
int m_transaction_id;
|
|
aux::session_impl& m_ses;
|
|
int m_attempts;
|
|
|
|
struct connection_cache_entry
|
|
{
|
|
boost::int64_t connection_id;
|
|
ptime expires;
|
|
};
|
|
|
|
static std::map<address, connection_cache_entry> m_connection_cache;
|
|
static mutex m_cache_mutex;
|
|
|
|
action_t m_state;
|
|
|
|
proxy_settings m_proxy;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // TORRENT_UDP_TRACKER_CONNECTION_HPP_INCLUDED
|
|
|