90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/*
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Copyright (c) 2006-2018, 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 FIND_DATA_050323_HPP
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#define FIND_DATA_050323_HPP
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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 <libtorrent/kademlia/routing_table.hpp>
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#include <libtorrent/kademlia/rpc_manager.hpp>
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#include <libtorrent/kademlia/observer.hpp>
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#include <libtorrent/kademlia/msg.hpp>
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#include <vector>
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#include <map>
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namespace libtorrent { namespace dht {
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class node;
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// -------- find data -----------
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struct find_data : traversal_algorithm
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{
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using nodes_callback = std::function<void(std::vector<std::pair<node_entry, std::string>> const&)>;
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find_data(node& dht_node, node_id const& target
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, nodes_callback const& ncallback);
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void got_write_token(node_id const& n, std::string write_token);
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void start() override;
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char const* name() const override;
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protected:
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void done() override;
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observer_ptr new_observer(udp::endpoint const& ep
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, node_id const& id) override;
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nodes_callback m_nodes_callback;
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std::map<node_id, std::string> m_write_tokens;
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bool m_done;
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};
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struct find_data_observer : traversal_observer
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{
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find_data_observer(
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std::shared_ptr<traversal_algorithm> algorithm
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, udp::endpoint const& ep, node_id const& id)
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: traversal_observer(std::move(algorithm), ep, id)
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{}
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void reply(msg const&) override;
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};
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} } // namespace libtorrent::dht
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#endif // FIND_DATA_050323_HPP
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