103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/*
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Copyright (c) 2007, 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 MSG_HPP
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#define MSG_HPP
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#include <string>
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#include <libtorrent/kademlia/node_id.hpp>
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#include "libtorrent/entry.hpp"
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#if BOOST_VERSION < 103500
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#include <asio/ip/udp.hpp>
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#else
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#include <boost/asio/ip/udp.hpp>
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#endif
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namespace libtorrent {
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namespace dht {
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typedef std::vector<char> packet_t;
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namespace messages
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{
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enum { ping = 0, find_node = 1, get_peers = 2, announce_peer = 3, error = 4 };
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char const* const ids[] = { "ping", "find_node", "get_peers", "announce_peer", "error" };
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} // namespace messages
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struct msg
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{
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msg()
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: reply(false)
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, message_id(-1)
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, port(0)
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{}
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// true if this message is a reply
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bool reply;
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// the kind if message
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int message_id;
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// if this is a reply, a copy of the transaction id
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// from the request. If it's a request, a transaction
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// id that should be sent back in the reply
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std::string transaction_id;
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// the node id of the process sending the message
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node_id id;
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// the address of the process sending or receiving
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// the message.
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udp::endpoint addr;
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// if this is a nodes response, these are the nodes
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typedef std::vector<node_entry> nodes_t;
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nodes_t nodes;
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typedef std::vector<tcp::endpoint> peers_t;
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peers_t peers;
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// similar to transaction_id but for write operations.
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entry write_token;
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// the info has for peer_requests, announce_peer
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// and responses
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node_id info_hash;
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// port for announce_peer messages
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int port;
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// ERROR MESSAGES
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int error_code;
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std::string error_msg;
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};
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} }
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#endif
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