129 lines
3.6 KiB
C++
129 lines
3.6 KiB
C++
/*
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Copyright (c) 2006-2012, Arvid Norberg
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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 RPC_MANAGER_HPP
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#define RPC_MANAGER_HPP
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#include <vector>
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#include <map>
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#include <boost/cstdint.hpp>
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#include <boost/pool/pool.hpp>
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#include <boost/function/function3.hpp>
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#include <libtorrent/socket.hpp>
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#include <libtorrent/entry.hpp>
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#include <libtorrent/kademlia/node_id.hpp>
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#include <libtorrent/kademlia/logging.hpp>
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#include <libtorrent/kademlia/observer.hpp>
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#include "libtorrent/ptime.hpp"
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namespace libtorrent { namespace aux { struct session_impl; } }
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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(rpc);
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#endif
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struct udp_socket_interface;
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struct null_observer : public observer
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{
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null_observer(boost::intrusive_ptr<traversal_algorithm> const& a
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, udp::endpoint const& ep, node_id const& id): observer(a, ep, id) {}
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virtual void reply(msg const&) { flags |= flag_done; }
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};
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class routing_table;
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struct dht_observer;
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class TORRENT_EXTRA_EXPORT rpc_manager
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{
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public:
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typedef boost::function3<void, address, int, address> external_ip_fun;
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rpc_manager(node_id const& our_id
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, routing_table& table, udp_socket_interface* sock
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, dht_observer* observer);
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~rpc_manager();
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void unreachable(udp::endpoint const& ep);
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// returns true if the node needs a refresh
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// if so, id is assigned the node id to refresh
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bool incoming(msg const&, node_id* id);
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time_duration tick();
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bool invoke(entry& e, udp::endpoint target
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, observer_ptr o);
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void add_our_id(entry& e);
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#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS
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size_t allocation_size() const;
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#endif
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#ifdef TORRENT_DEBUG
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void check_invariant() const;
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#endif
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void* allocate_observer();
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void free_observer(void* ptr);
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int num_allocated_observers() const { return m_allocated_observers; }
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private:
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boost::uint32_t calc_connection_id(udp::endpoint addr);
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mutable boost::pool<> m_pool_allocator;
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typedef std::list<observer_ptr> transactions_t;
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transactions_t m_transactions;
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udp_socket_interface* m_sock;
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node_id m_our_id;
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routing_table& m_table;
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ptime m_timer;
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node_id m_random_number;
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int m_allocated_observers;
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bool m_destructing;
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dht_observer* m_observer;
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};
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} } // namespace libtorrent::dht
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#endif
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