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premiere-libtorrent/include/libtorrent/aux_/session_interface.hpp

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/*
Copyright (c) 2012, Arvid Norberg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TORRENT_SESSION_INTERFACE_HPP_INCLUDED
#define TORRENT_SESSION_INTERFACE_HPP_INCLUDED
#include "libtorrent/config.hpp"
#include "libtorrent/peer_id.hpp"
#include "libtorrent/address.hpp"
#include "libtorrent/io_service.hpp"
#include "libtorrent/disk_buffer_holder.hpp"
#ifndef TORRENT_DISABLE_DHT
#include "libtorrent/socket.hpp"
#endif
#include "libtorrent/socket.hpp" // for tcp::endpoint
#include "libtorrent/aux_/disable_warnings_push.hpp"
#include <boost/weak_ptr.hpp>
#include <boost/function.hpp>
#ifndef TORRENT_DISABLE_LOGGING
#include <boost/shared_ptr.hpp>
#endif
#ifdef TORRENT_USE_OPENSSL
#include <boost/asio/ssl/context.hpp>
#endif
#include "libtorrent/aux_/disable_warnings_pop.hpp"
namespace libtorrent
{
class peer_connection;
class torrent;
struct proxy_settings;
struct socket_job;
#ifndef TORRENT_NO_DEPRECATE
struct pe_settings;
#endif
struct peer_class_set;
struct bandwidth_channel;
struct bandwidth_manager;
struct peer_class_pool;
struct disk_observer;
struct torrent_peer;
class alert_manager;
struct disk_interface;
struct tracker_request;
struct request_callback;
struct utp_socket_manager;
struct socket_type;
struct block_info;
struct external_ip;
struct torrent_handle;
struct ip_filter;
class port_filter;
struct settings_pack;
struct torrent_peer_allocator_interface;
struct counters;
struct resolver_interface;
#ifndef TORRENT_DISABLE_DHT
namespace dht
{
struct dht_tracker;
}
#endif
}
namespace libtorrent { namespace aux
{
struct session_settings;
#if !defined TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
// This is the basic logging and debug interface offered by the session.
// a release build with logging disabled (which is the default) will
// not have this class at all
struct session_logger
{
#ifndef TORRENT_DISABLE_LOGGING
virtual void session_log(char const* fmt, ...) const TORRENT_FORMAT(2,3) = 0;
virtual void session_vlog(char const* fmt, va_list& va) const = 0;
#endif
#if TORRENT_USE_ASSERTS
virtual bool is_single_thread() const = 0;
virtual bool has_peer(peer_connection const* p) const = 0;
virtual bool any_torrent_has_peer(peer_connection const* p) const = 0;
virtual bool is_posting_torrent_updates() const = 0;
#endif
protected:
~session_logger() {}
};
#endif // TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
// TOOD: 2 make this interface a lot smaller. It could be split up into
// several smaller interfaces. Each subsystem could then limit the size
// of the mock object to test it.
struct session_interface
: buffer_allocator_interface
#if !defined TORRENT_DISABLE_LOGGING || TORRENT_USE_ASSERTS
, session_logger
#endif
{
// TODO: 2 the IP voting mechanism should be factored out
// to its own class, not part of the session
enum
{
source_dht = 1,
source_peer = 2,
source_tracker = 4,
source_router = 8
};
virtual void set_external_address(address const& ip
, int source_type, address const& source) = 0;
virtual external_ip const& external_address() const = 0;
virtual disk_interface& disk_thread() = 0;
virtual alert_manager& alerts() = 0;
virtual torrent_peer_allocator_interface* get_peer_allocator() = 0;
virtual io_service& get_io_service() = 0;
virtual resolver_interface& get_resolver() = 0;
typedef boost::function<void(error_code const&, std::vector<address> const&)>
callback_t;
// TODO: 2 remove this. There's already get_resolver()
virtual void async_resolve(std::string const& host, int flags
, callback_t const& h) = 0;
virtual bool has_connection(peer_connection* p) const = 0;
virtual void insert_peer(boost::shared_ptr<peer_connection> const& c) = 0;
virtual void queue_async_resume_data(boost::shared_ptr<torrent> const& t) = 0;
virtual void done_async_resume() = 0;
virtual void evict_torrent(torrent* t) = 0;
virtual void remove_torrent(torrent_handle const& h, int options = 0) = 0;
virtual void remove_torrent_impl(boost::shared_ptr<torrent> tptr, int options) = 0;
// ip and port filter
virtual ip_filter& get_ip_filter() = 0;
virtual port_filter const& get_port_filter() const = 0;
virtual boost::int64_t session_time() const = 0;
virtual bool is_paused() const = 0;
virtual bool is_aborted() const = 0;
virtual int num_uploads() const = 0;
virtual bool preemptive_unchoke() const = 0;
virtual void trigger_optimistic_unchoke() = 0;
virtual void trigger_unchoke() = 0;
virtual boost::weak_ptr<torrent> find_torrent(sha1_hash const& info_hash) const = 0;
virtual boost::weak_ptr<torrent> find_disconnect_candidate_torrent() const = 0;
virtual boost::shared_ptr<torrent> delay_load_torrent(sha1_hash const& info_hash
, peer_connection* pc) = 0;
virtual void insert_torrent(sha1_hash const& ih, boost::shared_ptr<torrent> const& t
, std::string uuid) = 0;
virtual void insert_uuid_torrent(std::string uuid, boost::shared_ptr<torrent> const& t) = 0;
virtual void set_queue_position(torrent* t, int p) = 0;
virtual int num_torrents() const = 0;
virtual peer_id const& get_peer_id() const = 0;
// cork a peer and schedule a delayed uncork
// does nothing if the peer is already corked
virtual void cork_burst(peer_connection* p) = 0;
virtual void close_connection(peer_connection* p, error_code const& ec) = 0;
virtual int num_connections() const = 0;
virtual char* allocate_buffer() = 0;
virtual void free_buffer(char* buf) = 0;
virtual int send_buffer_size() const = 0;
virtual void deferred_submit_jobs() = 0;
virtual boost::uint16_t listen_port() const = 0;
virtual boost::uint16_t ssl_listen_port() const = 0;
// TODO: 2 factor out the thread pool for socket jobs into a separate
// class
// used to (potentially) issue socket write calls onto multiple threads
virtual void post_socket_job(socket_job& j) = 0;
// load the specified torrent. also evict one torrent, except
// for the one specified, if we are at the limit of loaded torrents
virtual bool load_torrent(torrent* t) = 0;
// bump the specified torrent to make it the most recently used one
// in the torrent LRU (i.e. the least likely to get unloaded)
virtual void bump_torrent(torrent* t, bool back = true) = 0;
// ask for which interface and port to bind outgoing peer connections on
virtual tcp::endpoint bind_outgoing_socket(socket_type& s, address const&
remote_address, error_code& ec) const = 0;
virtual bool verify_bound_address(address const& addr, bool utp
, error_code& ec) = 0;
#ifndef TORRENT_DISABLE_MUTABLE_TORRENTS
virtual std::vector<boost::shared_ptr<torrent> > find_collection(
std::string const& collection) const = 0;
#endif
// TODO: it would be nice to not have this be part of session_interface
virtual proxy_settings proxy() const = 0;
#if TORRENT_USE_I2P
virtual proxy_settings i2p_proxy() const = 0;
virtual char const* i2p_session() const = 0;
#endif
virtual void prioritize_connections(boost::weak_ptr<torrent> t) = 0;
virtual tcp::endpoint get_ipv6_interface() const = 0;
virtual tcp::endpoint get_ipv4_interface() const = 0;
virtual void trigger_auto_manage() = 0;
virtual void apply_settings_pack(settings_pack* pack) = 0;
virtual session_settings const& settings() const = 0;
virtual void queue_tracker_request(tracker_request& req
, boost::weak_ptr<request_callback> c) = 0;
// peer-classes
virtual void set_peer_classes(peer_class_set* s, address const& a, int st) = 0;
virtual peer_class_pool const& peer_classes() const = 0;
virtual peer_class_pool& peer_classes() = 0;
virtual bool ignore_unchoke_slots_set(peer_class_set const& set) const = 0;
virtual int copy_pertinent_channels(peer_class_set const& set
, int channel, bandwidth_channel** dst, int max) = 0;
virtual int use_quota_overhead(peer_class_set& set, int amount_down, int amount_up) = 0;
virtual bandwidth_manager* get_bandwidth_manager(int channel) = 0;
virtual void sent_bytes(int bytes_payload, int bytes_protocol) = 0;
virtual void received_bytes(int bytes_payload, int bytes_protocol) = 0;
virtual void trancieve_ip_packet(int bytes, bool ipv6) = 0;
virtual void sent_syn(bool ipv6) = 0;
virtual void received_synack(bool ipv6) = 0;
virtual int peak_up_rate() const = 0;
enum torrent_list_index
{
// this is the set of (subscribed) torrents that have changed
// their states since the last time the user requested updates.
torrent_state_updates,
// all torrents that want to be ticked every second
torrent_want_tick,
// all torrents that want more peers and are still downloading
// these typically have higher priority when connecting peers
torrent_want_peers_download,
// all torrents that want more peers and are finished downloading
torrent_want_peers_finished,
// torrents that want auto-scrape (only paused auto-managed ones)
torrent_want_scrape,
// all torrents that have resume data to save
// torrent_want_save_resume,
num_torrent_lists
};
virtual std::vector<torrent*>& torrent_list(int i) = 0;
virtual bool has_lsd() const = 0;
virtual void announce_lsd(sha1_hash const& ih, int port, bool broadcast = false) = 0;
virtual libtorrent::utp_socket_manager* utp_socket_manager() = 0;
virtual void inc_boost_connections() = 0;
virtual void setup_socket_buffers(socket_type& s) = 0;
virtual std::vector<block_info>& block_info_storage() = 0;
#ifdef TORRENT_USE_OPENSSL
virtual boost::asio::ssl::context* ssl_ctx() = 0 ;
#endif
#if !defined(TORRENT_DISABLE_ENCRYPTION) && !defined(TORRENT_DISABLE_EXTENSIONS)
virtual torrent const* find_encrypted_torrent(
sha1_hash const& info_hash, sha1_hash const& xor_mask) = 0;
virtual void add_obfuscated_hash(sha1_hash const& obfuscated
, boost::weak_ptr<torrent> const& t) = 0;
#endif
#ifndef TORRENT_DISABLE_DHT
virtual bool announce_dht() const = 0;
virtual void add_dht_node(udp::endpoint n) = 0;
virtual bool has_dht() const = 0;
virtual int external_udp_port() const = 0;
virtual dht::dht_tracker* dht() = 0;
virtual void prioritize_dht(boost::weak_ptr<torrent> t) = 0;
#endif
virtual counters& stats_counters() = 0;
virtual void received_buffer(int size) = 0;
virtual void sent_buffer(int size) = 0;
protected:
~session_interface() {}
};
}}
#endif
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