159 lines
3.6 KiB
C++
159 lines
3.6 KiB
C++
/*
|
|
|
|
Copyright (c) 2006, Arvid Norberg & Daniel Wallin
|
|
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 REFRESH_050324_HPP
|
|
#define REFRESH_050324_HPP
|
|
|
|
#include <vector>
|
|
|
|
#include <libtorrent/kademlia/traversal_algorithm.hpp>
|
|
#include <libtorrent/kademlia/node_id.hpp>
|
|
|
|
#include <boost/function.hpp>
|
|
|
|
namespace libtorrent { namespace dht
|
|
{
|
|
#ifdef TORRENT_DHT_VERBOSE_LOGGING
|
|
TORRENT_DECLARE_LOG(refresh);
|
|
#endif
|
|
|
|
class routing_table;
|
|
class rpc_manager;
|
|
|
|
class refresh : public traversal_algorithm
|
|
{
|
|
public:
|
|
typedef boost::function<void()> done_callback;
|
|
|
|
template<class InIt>
|
|
static void initiate(
|
|
node_id target
|
|
, int branch_factor
|
|
, int max_active_pings
|
|
, int max_results
|
|
, routing_table& table
|
|
, InIt first
|
|
, InIt last
|
|
, rpc_manager& rpc
|
|
, done_callback const& callback
|
|
);
|
|
|
|
void ping_reply(node_id id);
|
|
void ping_timeout(node_id id);
|
|
|
|
private:
|
|
template<class InIt>
|
|
refresh(
|
|
node_id target
|
|
, int branch_factor
|
|
, int max_active_pings
|
|
, int max_results
|
|
, routing_table& table
|
|
, InIt first
|
|
, InIt last
|
|
, rpc_manager& rpc
|
|
, done_callback const& callback
|
|
);
|
|
|
|
void done();
|
|
void invoke(node_id const& id, udp::endpoint addr);
|
|
|
|
void invoke_pings_or_finish();
|
|
|
|
int m_max_active_pings;
|
|
int m_active_pings;
|
|
|
|
done_callback m_done_callback;
|
|
|
|
std::vector<result>::iterator m_leftover_nodes_iterator;
|
|
};
|
|
|
|
template<class InIt>
|
|
inline refresh::refresh(
|
|
node_id target
|
|
, int branch_factor
|
|
, int max_active_pings
|
|
, int max_results
|
|
, routing_table& table
|
|
, InIt first
|
|
, InIt last
|
|
, rpc_manager& rpc
|
|
, done_callback const& callback
|
|
)
|
|
: traversal_algorithm(
|
|
target
|
|
, branch_factor
|
|
, max_results
|
|
, table
|
|
, rpc
|
|
, first
|
|
, last
|
|
)
|
|
, m_max_active_pings(max_active_pings)
|
|
, m_active_pings(0)
|
|
, m_done_callback(callback)
|
|
{
|
|
boost::intrusive_ptr<refresh> self(this);
|
|
add_requests();
|
|
}
|
|
|
|
template<class InIt>
|
|
inline void refresh::initiate(
|
|
node_id target
|
|
, int branch_factor
|
|
, int max_active_pings
|
|
, int max_results
|
|
, routing_table& table
|
|
, InIt first
|
|
, InIt last
|
|
, rpc_manager& rpc
|
|
, done_callback const& callback
|
|
)
|
|
{
|
|
new refresh(
|
|
target
|
|
, branch_factor
|
|
, max_active_pings
|
|
, max_results
|
|
, table
|
|
, first
|
|
, last
|
|
, rpc
|
|
, callback
|
|
);
|
|
}
|
|
|
|
} } // namespace libtorrent::dht
|
|
|
|
#endif // REFRESH_050324_HPP
|
|
|