141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/*
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Copyright (c) 2003-2018, 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 WEB_CONNECTION_BASE_HPP_INCLUDED
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#define WEB_CONNECTION_BASE_HPP_INCLUDED
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#include <ctime>
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#include <algorithm>
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#include <deque>
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#include <string>
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#include <cstdint>
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#include "libtorrent/peer_connection.hpp"
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#include "libtorrent/torrent.hpp"
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#include "libtorrent/peer_request.hpp"
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#include "libtorrent/config.hpp"
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#include "libtorrent/http_parser.hpp"
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namespace libtorrent {
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class torrent;
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class TORRENT_EXTRA_EXPORT web_connection_base
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: public peer_connection
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{
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friend class invariant_access;
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public:
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// this is the constructor where the we are the active part.
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// The peer_connection should handshake and verify that the
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// other end has the correct id
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web_connection_base(peer_connection_args const& pack
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, web_seed_t& web);
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int timeout() const override;
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void start() override;
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~web_connection_base() override;
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// called from the main loop when this connection has any
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// work to do.
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void on_sent(error_code const& error
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, std::size_t bytes_transferred) override;
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virtual std::string const& url() const = 0;
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bool in_handshake() const override;
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peer_id our_pid() const override { return peer_id(); }
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// the following functions appends messages
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// to the send buffer
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void write_choke() override {}
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void write_unchoke() override {}
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void write_interested() override {}
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void write_not_interested() override {}
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void write_request(peer_request const&) override = 0;
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void write_cancel(peer_request const&) override {}
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void write_have(piece_index_t) override {}
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void write_dont_have(piece_index_t) override {}
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void write_piece(peer_request const&, disk_buffer_holder) override
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{ TORRENT_ASSERT_FAIL(); }
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void write_keepalive() override {}
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void on_connected() override;
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void write_reject_request(peer_request const&) override {}
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void write_allow_fast(piece_index_t) override {}
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void write_suggest(piece_index_t) override {}
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void write_bitfield() override {}
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void write_upload_only(bool) override {}
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#if TORRENT_USE_INVARIANT_CHECKS
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void check_invariant() const;
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#endif
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void get_specific_peer_info(peer_info& p) const override;
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protected:
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virtual void add_headers(std::string& request
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, aux::session_settings const& sett, bool using_proxy) const;
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// the first request will contain a little bit more data
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// than subsequent ones, things that aren't critical are left
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// out to save bandwidth.
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bool m_first_request;
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// true if we're using ssl
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bool m_ssl;
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// this has one entry per bittorrent request
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std::deque<peer_request> m_requests;
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std::string m_server_string;
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std::string m_basic_auth;
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std::string m_host;
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std::string m_path;
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std::string m_external_auth;
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web_seed_entry::headers_t m_extra_headers;
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http_parser m_parser;
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int m_port;
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// the number of bytes into the receive buffer where
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// current read cursor is.
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int m_body_start;
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};
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}
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#endif // TORRENT_WEB_CONNECTION_BASE_HPP_INCLUDED
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