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