343 lines
12 KiB
C++
343 lines
12 KiB
C++
/*
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Copyright (c) 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 TORRENT_SESSION_INTERFACE_HPP_INCLUDED
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#define TORRENT_SESSION_INTERFACE_HPP_INCLUDED
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#include "libtorrent/config.hpp"
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#include "libtorrent/peer_id.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/io_service.hpp"
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#include "libtorrent/disk_buffer_holder.hpp"
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#include <functional>
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#include <memory>
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#ifndef TORRENT_DISABLE_DHT
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#include "libtorrent/socket.hpp"
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#endif
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#include "libtorrent/socket.hpp" // for tcp::endpoint
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#ifdef TORRENT_USE_OPENSSL
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#include <boost/asio/ssl/context.hpp>
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#endif
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#include "libtorrent/aux_/disable_warnings_pop.hpp"
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namespace libtorrent
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{
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class peer_connection;
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class torrent;
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#ifndef TORRENT_NO_DEPRECATE
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struct pe_settings;
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#endif
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struct peer_class_set;
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struct bandwidth_channel;
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struct bandwidth_manager;
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struct peer_class_pool;
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struct disk_observer;
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struct torrent_peer;
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class alert_manager;
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struct disk_interface;
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struct tracker_request;
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struct request_callback;
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struct utp_socket_manager;
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struct socket_type;
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struct block_info;
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struct external_ip;
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struct torrent_handle;
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struct ip_filter;
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class port_filter;
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struct settings_pack;
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struct torrent_peer_allocator_interface;
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struct counters;
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struct resolver_interface;
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#ifndef TORRENT_DISABLE_DHT
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namespace dht
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{
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struct dht_tracker;
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}
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#endif
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}
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namespace libtorrent { namespace aux
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{
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struct proxy_settings;
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struct session_settings;
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#if !defined TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
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// This is the basic logging and debug interface offered by the session.
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// a release build with logging disabled (which is the default) will
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// not have this class at all
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struct TORRENT_EXTRA_EXPORT session_logger
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{
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#ifndef TORRENT_DISABLE_LOGGING
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virtual void session_log(char const* fmt, ...) const TORRENT_FORMAT(2,3) = 0;
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virtual void session_vlog(char const* fmt, va_list& va) const = 0;
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#endif
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#if TORRENT_USE_ASSERTS
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virtual bool is_single_thread() const = 0;
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virtual bool has_peer(peer_connection const* p) const = 0;
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virtual bool any_torrent_has_peer(peer_connection const* p) const = 0;
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virtual bool is_posting_torrent_updates() const = 0;
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#endif
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protected:
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~session_logger() {}
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};
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#endif // TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
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// TODO: 2 make this interface a lot smaller. It could be split up into
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// several smaller interfaces. Each subsystem could then limit the size
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// of the mock object to test it.
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struct TORRENT_EXTRA_EXPORT session_interface
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: buffer_allocator_interface
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#if !defined TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
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, session_logger
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#endif
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{
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// TODO: 2 the IP voting mechanism should be factored out
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// to its own class, not part of the session
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enum
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{
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source_dht = 1,
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source_peer = 2,
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source_tracker = 4,
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source_router = 8
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};
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virtual void set_external_address(address const& ip
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, int source_type, address const& source) = 0;
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virtual external_ip const& external_address() const = 0;
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virtual disk_interface& disk_thread() = 0;
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virtual alert_manager& alerts() = 0;
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virtual torrent_peer_allocator_interface* get_peer_allocator() = 0;
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virtual io_service& get_io_service() = 0;
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virtual resolver_interface& get_resolver() = 0;
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typedef std::function<void(error_code const&, std::vector<address> const&)>
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callback_t;
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// TODO: 2 remove this. There's already get_resolver()
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virtual void async_resolve(std::string const& host, int flags
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, callback_t const& h) = 0;
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virtual bool has_connection(peer_connection* p) const = 0;
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virtual void insert_peer(std::shared_ptr<peer_connection> const& c) = 0;
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virtual void evict_torrent(torrent* t) = 0;
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virtual void remove_torrent(torrent_handle const& h, int options = 0) = 0;
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virtual void remove_torrent_impl(std::shared_ptr<torrent> tptr, int options) = 0;
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// port filter
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virtual port_filter const& get_port_filter() const = 0;
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virtual void ban_ip(address addr) = 0;
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virtual std::uint16_t session_time() const = 0;
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virtual bool is_aborted() const = 0;
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virtual int num_uploads() const = 0;
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virtual bool preemptive_unchoke() const = 0;
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virtual void trigger_optimistic_unchoke() = 0;
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virtual void trigger_unchoke() = 0;
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virtual std::weak_ptr<torrent> find_torrent(sha1_hash const& info_hash) const = 0;
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virtual std::weak_ptr<torrent> find_disconnect_candidate_torrent() const = 0;
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virtual std::shared_ptr<torrent> delay_load_torrent(sha1_hash const& info_hash
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, peer_connection* pc) = 0;
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virtual void insert_torrent(sha1_hash const& ih, std::shared_ptr<torrent> const& t
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, std::string uuid) = 0;
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#ifndef TORRENT_NO_DEPRECATE
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//deprecated in 1.2
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virtual void insert_uuid_torrent(std::string uuid, std::shared_ptr<torrent> const& t) = 0;
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#endif
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virtual void set_queue_position(torrent* t, int p) = 0;
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virtual int num_torrents() const = 0;
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virtual peer_id const& get_peer_id() const = 0;
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// cork a peer and schedule a delayed uncork
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// does nothing if the peer is already corked
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virtual void cork_burst(peer_connection* p) = 0;
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virtual void close_connection(peer_connection* p, error_code const& ec) = 0;
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virtual int num_connections() const = 0;
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virtual char* allocate_buffer() = 0;
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virtual void free_buffer(char* buf) = 0;
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virtual int send_buffer_size() const = 0;
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virtual void deferred_submit_jobs() = 0;
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virtual std::uint16_t listen_port() const = 0;
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virtual std::uint16_t ssl_listen_port() const = 0;
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// load the specified torrent. also evict one torrent, except
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// for the one specified, if we are at the limit of loaded torrents
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virtual bool load_torrent(torrent* t) = 0;
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// bump the specified torrent to make it the most recently used one
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// in the torrent LRU (i.e. the least likely to get unloaded)
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virtual void bump_torrent(torrent* t, bool back = true) = 0;
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// ask for which interface and port to bind outgoing peer connections on
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virtual tcp::endpoint bind_outgoing_socket(socket_type& s, address const&
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remote_address, error_code& ec) const = 0;
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virtual bool verify_bound_address(address const& addr, bool utp
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, error_code& ec) = 0;
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#ifndef TORRENT_DISABLE_MUTABLE_TORRENTS
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virtual std::vector<std::shared_ptr<torrent>> find_collection(
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std::string const& collection) const = 0;
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#endif
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// TODO: it would be nice to not have this be part of session_interface
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virtual proxy_settings proxy() const = 0;
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#if TORRENT_USE_I2P
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virtual proxy_settings i2p_proxy() const = 0;
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virtual char const* i2p_session() const = 0;
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#endif
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virtual void prioritize_connections(std::weak_ptr<torrent> t) = 0;
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virtual tcp::endpoint get_ipv4_interface() const = 0;
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virtual tcp::endpoint get_ipv6_interface() const = 0;
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virtual void trigger_auto_manage() = 0;
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virtual void apply_settings_pack(std::shared_ptr<settings_pack> pack) = 0;
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virtual session_settings const& settings() const = 0;
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virtual void queue_tracker_request(tracker_request& req
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, std::weak_ptr<request_callback> c) = 0;
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// peer-classes
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virtual void set_peer_classes(peer_class_set* s, address const& a, int st) = 0;
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virtual peer_class_pool const& peer_classes() const = 0;
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virtual peer_class_pool& peer_classes() = 0;
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virtual bool ignore_unchoke_slots_set(peer_class_set const& set) const = 0;
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virtual int copy_pertinent_channels(peer_class_set const& set
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, int channel, bandwidth_channel** dst, int max) = 0;
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virtual int use_quota_overhead(peer_class_set& set, int amount_down, int amount_up) = 0;
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virtual bandwidth_manager* get_bandwidth_manager(int channel) = 0;
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virtual void sent_bytes(int bytes_payload, int bytes_protocol) = 0;
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virtual void received_bytes(int bytes_payload, int bytes_protocol) = 0;
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virtual void trancieve_ip_packet(int bytes, bool ipv6) = 0;
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virtual void sent_syn(bool ipv6) = 0;
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virtual void received_synack(bool ipv6) = 0;
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enum torrent_list_index
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{
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// this is the set of (subscribed) torrents that have changed
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// their states since the last time the user requested updates.
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torrent_state_updates,
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// all torrents that want to be ticked every second
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torrent_want_tick,
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// all torrents that want more peers and are still downloading
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// these typically have higher priority when connecting peers
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torrent_want_peers_download,
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// all torrents that want more peers and are finished downloading
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torrent_want_peers_finished,
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// torrents that want auto-scrape (only paused auto-managed ones)
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torrent_want_scrape,
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// auto-managed torrents by state. Only these torrents are considered
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// when recalculating auto-managed torrents. started auto managed
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// torrents that are inactive are not part of these lists, because they
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// are not considered for auto managing (they are left started
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// unconditionally)
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torrent_downloading_auto_managed,
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torrent_seeding_auto_managed,
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torrent_checking_auto_managed,
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// all torrents that have resume data to save
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// torrent_want_save_resume,
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num_torrent_lists
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};
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virtual std::vector<torrent*>& torrent_list(int i) = 0;
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virtual bool has_lsd() const = 0;
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virtual void announce_lsd(sha1_hash const& ih, int port, bool broadcast = false) = 0;
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virtual libtorrent::utp_socket_manager* utp_socket_manager() = 0;
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virtual void inc_boost_connections() = 0;
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virtual void setup_socket_buffers(socket_type& s) = 0;
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virtual std::vector<block_info>& block_info_storage() = 0;
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#ifdef TORRENT_USE_OPENSSL
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virtual libtorrent::utp_socket_manager* ssl_utp_socket_manager() = 0;
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virtual boost::asio::ssl::context* ssl_ctx() = 0 ;
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#endif
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#if !defined(TORRENT_DISABLE_ENCRYPTION) && !defined(TORRENT_DISABLE_EXTENSIONS)
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virtual torrent const* find_encrypted_torrent(
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sha1_hash const& info_hash, sha1_hash const& xor_mask) = 0;
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virtual void add_obfuscated_hash(sha1_hash const& obfuscated
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, std::weak_ptr<torrent> const& t) = 0;
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#endif
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#ifndef TORRENT_DISABLE_DHT
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virtual bool announce_dht() const = 0;
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virtual void add_dht_node(udp::endpoint n) = 0;
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virtual bool has_dht() const = 0;
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virtual int external_udp_port() const = 0;
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virtual dht::dht_tracker* dht() = 0;
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virtual void prioritize_dht(std::weak_ptr<torrent> t) = 0;
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#endif
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virtual counters& stats_counters() = 0;
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virtual void received_buffer(int size) = 0;
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virtual void sent_buffer(int size) = 0;
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protected:
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~session_interface() {}
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};
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}}
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#endif
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