forked from premiere/premiere-libtorrent
410 lines
17 KiB
C++
410 lines
17 KiB
C++
/*
|
|
|
|
Copyright (c) 2009-2014, 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_ADD_TORRENT_PARAMS_HPP_INCLUDED
|
|
#define TORRENT_ADD_TORRENT_PARAMS_HPP_INCLUDED
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
#include "libtorrent/storage_defs.hpp"
|
|
#include "libtorrent/peer_id.hpp" // sha1_hash
|
|
#include "libtorrent/version.hpp"
|
|
|
|
#ifndef TORRENT_DISABLE_EXTENSIONS
|
|
#include "libtorrent/extensions.hpp"
|
|
#endif
|
|
|
|
namespace libtorrent
|
|
{
|
|
class torrent_info;
|
|
class torrent;
|
|
struct torrent_plugin;
|
|
|
|
// The add_torrent_params is a parameter pack for adding torrents to a
|
|
// session. The key fields when adding a torrent are:
|
|
//
|
|
// * ti - when you have a .torrent file
|
|
// * url - when you have a magnet link or http URL to the .torrent file
|
|
// * info_hash - when all you have is an info-hash (this is similar to a
|
|
// magnet link)
|
|
//
|
|
// one of those fields need to be set. Another mandatory field is
|
|
// ``save_path``. The add_torrent_params object is passed into one of the
|
|
// ``session::add_torrent()`` overloads or ``session::async_add_torrent()``.
|
|
//
|
|
// If you only specify the info-hash, the torrent file will be downloaded
|
|
// from peers, which requires them to support the metadata extension. For
|
|
// the metadata extension to work, libtorrent must be built with extensions
|
|
// enabled (``TORRENT_DISABLE_EXTENSIONS`` must not be defined). It also
|
|
// takes an optional ``name`` argument. This may be left empty in case no
|
|
// name should be assigned to the torrent. In case it's not, the name is
|
|
// used for the torrent as long as it doesn't have metadata. See
|
|
// ``torrent_handle::name``.
|
|
//
|
|
struct TORRENT_EXPORT add_torrent_params
|
|
{
|
|
// The constructor can be used to initialize the storage constructor,
|
|
// which determines the storage mechanism for the downloaded or seeding
|
|
// data for the torrent. For more information, see the ``storage`` field.
|
|
add_torrent_params(storage_constructor_type sc = default_storage_constructor)
|
|
: version(LIBTORRENT_VERSION_NUM)
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
, tracker_url(0)
|
|
#endif
|
|
, storage_mode(storage_mode_sparse)
|
|
, storage(sc)
|
|
, userdata(0)
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
, flags(flag_ignore_flags | default_flags)
|
|
#else
|
|
, flags(default_flags)
|
|
#endif
|
|
, max_uploads(-1)
|
|
, max_connections(-1)
|
|
, upload_limit(-1)
|
|
, download_limit(-1)
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
, seed_mode(false)
|
|
, override_resume_data(false)
|
|
, upload_mode(false)
|
|
, share_mode(false)
|
|
, apply_ip_filter(true)
|
|
, paused(true)
|
|
, auto_managed(true)
|
|
, duplicate_is_error(false)
|
|
, merge_resume_trackers(false)
|
|
#endif
|
|
{
|
|
}
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
void update_flags() const
|
|
{
|
|
if (flags != (flag_ignore_flags | default_flags)) return;
|
|
|
|
boost::uint64_t& f = const_cast<boost::uint64_t&>(flags);
|
|
f = flag_update_subscribe;
|
|
if (seed_mode) f |= flag_seed_mode;
|
|
if (override_resume_data) f |= flag_override_resume_data;
|
|
if (upload_mode) f |= flag_upload_mode;
|
|
if (share_mode) f |= flag_share_mode;
|
|
if (apply_ip_filter) f |= flag_apply_ip_filter;
|
|
if (paused) f |= flag_paused;
|
|
if (auto_managed) f |= flag_auto_managed;
|
|
if (duplicate_is_error) f |= flag_duplicate_is_error;
|
|
if (merge_resume_trackers) f |= flag_merge_resume_trackers;
|
|
}
|
|
#endif
|
|
|
|
// values for the ``flags`` field
|
|
enum flags_t
|
|
{
|
|
// If ``flag_seed_mode`` is set, libtorrent will assume that all files
|
|
// are present for this torrent and that they all match the hashes in
|
|
// the torrent file. Each time a peer requests to download a block,
|
|
// the piece is verified against the hash, unless it has been verified
|
|
// already. If a hash fails, the torrent will automatically leave the
|
|
// seed mode and recheck all the files. The use case for this mode is
|
|
// if a torrent is created and seeded, or if the user already know
|
|
// that the files are complete, this is a way to avoid the initial
|
|
// file checks, and significantly reduce the startup time.
|
|
//
|
|
// Setting ``flag_seed_mode`` on a torrent without metadata (a
|
|
// .torrent file) is a no-op and will be ignored.
|
|
//
|
|
// If resume data is passed in with this torrent, the seed mode saved
|
|
// in there will override the seed mode you set here.
|
|
flag_seed_mode = 0x001,
|
|
|
|
// If ``flag_override_resume_data`` is set, flags set for this torrent
|
|
// in this ``add_torrent_params`` object will take precedence over
|
|
// whatever states are saved in the resume data. For instance, the
|
|
// ``paused``, ``auto_managed``, ``sequential_download``, ``seed_mode``,
|
|
// ``super_seeding``, ``max_uploads``, ``max_connections``,
|
|
// ``upload_limit`` and ``download_limit`` are all affected by this
|
|
// flag. The intention of this flag is to have any field in
|
|
// add_torrent_params configuring the torrent override the corresponding
|
|
// configuration from the resume file, with the one exception of save
|
|
// resume data, which has its own flag (for historic reasons).
|
|
flag_override_resume_data = 0x002,
|
|
|
|
// If ``flag_upload_mode`` is set, the torrent will be initialized in
|
|
// upload-mode, which means it will not make any piece requests. This
|
|
// state is typically entered on disk I/O errors, and if the torrent
|
|
// is also auto managed, it will be taken out of this state
|
|
// periodically. This mode can be used to avoid race conditions when
|
|
// adjusting priorities of pieces before allowing the torrent to start
|
|
// downloading.
|
|
//
|
|
// If the torrent is auto-managed (``flag_auto_managed``), the torrent
|
|
// will eventually be taken out of upload-mode, regardless of how it
|
|
// got there. If it's important to manually control when the torrent
|
|
// leaves upload mode, don't make it auto managed.
|
|
flag_upload_mode = 0x004,
|
|
|
|
// determines if the torrent should be added in *share mode* or not.
|
|
// Share mode indicates that we are not interested in downloading the
|
|
// torrent, but merley want to improve our share ratio (i.e. increase
|
|
// it). A torrent started in share mode will do its best to never
|
|
// download more than it uploads to the swarm. If the swarm does not
|
|
// have enough demand for upload capacity, the torrent will not
|
|
// download anything. This mode is intended to be safe to add any
|
|
// number of torrents to, without manual screening, without the risk
|
|
// of downloading more than is uploaded.
|
|
//
|
|
// A torrent in share mode sets the priority to all pieces to 0,
|
|
// except for the pieces that are downloaded, when pieces are decided
|
|
// to be downloaded. This affects the progress bar, which might be set
|
|
// to "100% finished" most of the time. Do not change file or piece
|
|
// priorities for torrents in share mode, it will make it not work.
|
|
//
|
|
// The share mode has one setting, the share ratio target, see
|
|
// ``session_settings::share_mode_target`` for more info.
|
|
flag_share_mode = 0x008,
|
|
|
|
// determines if the IP filter should apply to this torrent or not. By
|
|
// default all torrents are subject to filtering by the IP filter
|
|
// (i.e. this flag is set by default). This is useful if certain
|
|
// torrents needs to be excempt for some reason, being an auto-update
|
|
// torrent for instance.
|
|
flag_apply_ip_filter = 0x010,
|
|
|
|
// specifies whether or not the torrent is to be started in a paused
|
|
// state. I.e. it won't connect to the tracker or any of the peers
|
|
// until it's resumed. This is typically a good way of avoiding race
|
|
// conditions when setting configuration options on torrents before
|
|
// starting them.
|
|
flag_paused = 0x020,
|
|
|
|
// If the torrent is auto-managed (``flag_auto_managed``), the torrent
|
|
// may be resumed at any point, regardless of how it paused. If it's
|
|
// important to manually control when the torrent is paused and
|
|
// resumed, don't make it auto managed.
|
|
//
|
|
// If ``flag_auto_managed`` is set, the torrent will be queued,
|
|
// started and seeded automatically by libtorrent. When this is set,
|
|
// the torrent should also be started as paused. The default queue
|
|
// order is the order the torrents were added. They are all downloaded
|
|
// in that order. For more details, see queuing_.
|
|
//
|
|
// If you pass in resume data, the auto_managed state of the torrent
|
|
// when the resume data was saved will override the auto_managed state
|
|
// you pass in here. You can override this by setting
|
|
// ``override_resume_data``.
|
|
flag_auto_managed = 0x040,
|
|
flag_duplicate_is_error = 0x080,
|
|
|
|
// defaults to off and specifies whether tracker URLs loaded from
|
|
// resume data should be added to the trackers in the torrent or
|
|
// replace the trackers.
|
|
flag_merge_resume_trackers = 0x100,
|
|
|
|
// on by default and means that this torrent will be part of state
|
|
// updates when calling post_torrent_updates().
|
|
flag_update_subscribe = 0x200,
|
|
|
|
// sets the torrent into super seeding mode. If the torrent is not a
|
|
// seed, this flag has no effect. It has the same effect as calling
|
|
// ``torrent_handle::super_seeding(true)`` on the torrent handle
|
|
// immediately after adding it.
|
|
flag_super_seeding = 0x400,
|
|
|
|
// sets the sequential download state for the torrent. It has the same
|
|
// effect as calling ``torrent_handle::sequential_download(true)`` on
|
|
// the torrent handle immediately after adding it.
|
|
flag_sequential_download = 0x800,
|
|
|
|
// if this flag is set, the save path from the resume data file, if
|
|
// present, is honored. This defaults to not being set, in which
|
|
// case the save_path specified in add_torrent_params is always used.
|
|
flag_use_resume_save_path = 0x1000,
|
|
|
|
// indicates that this torrent should never be unloaded from RAM, even
|
|
// if unloading torrents are allowed in general. Setting this makes
|
|
// the torrent exempt from loading/unloading management.
|
|
flag_pinned = 0x2000,
|
|
|
|
// internal
|
|
default_flags = flag_pinned | flag_update_subscribe
|
|
| flag_auto_managed | flag_paused | flag_apply_ip_filter
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
, flag_ignore_flags = 0x80000000
|
|
#endif
|
|
};
|
|
|
|
// filled in by the constructor and should be left untouched. It is used
|
|
// for forward binary compatibility.
|
|
int version;
|
|
// torrent_info object with the torrent to add. Unless the url or
|
|
// info_hash is set, this is required to be initiazlied.
|
|
boost::shared_ptr<torrent_info> ti;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
char const* tracker_url;
|
|
#endif
|
|
// If the torrent doesn't have a tracker, but relies on the DHT to find
|
|
// peers, the ``trackers`` can specify tracker URLs for the torrent.
|
|
std::vector<std::string> trackers;
|
|
|
|
// url seeds to be added to the torrent (`BEP 17`_).
|
|
std::vector<std::string> url_seeds;
|
|
|
|
// a list of hostname and port pairs, representing DHT nodes to be added
|
|
// to the session (if DHT is enabled). The hostname may be an IP address.
|
|
std::vector<std::pair<std::string, int> > dht_nodes;
|
|
std::string name;
|
|
|
|
// the path where the torrent is or will be stored. Note that this may
|
|
// alos be stored in resume data. If you want the save path saved in
|
|
// the resume data to be used, you need to set the
|
|
// flag_use_resume_save_path flag.
|
|
//
|
|
// .. note::
|
|
// On windows this path (and other paths) are interpreted as UNC
|
|
// paths. This means they must use backslashes as directory separators
|
|
// and may not contain the special directories "." or "..".
|
|
std::string save_path;
|
|
|
|
// The optional parameter, ``resume_data`` can be given if up to date
|
|
// fast-resume data is available. The fast-resume data can be acquired
|
|
// from a running torrent by calling save_resume_data() on
|
|
// torrent_handle. See fast-resume_. The ``vector`` that is passed in
|
|
// will be swapped into the running torrent instance with
|
|
// ``std::vector::swap()``.
|
|
std::vector<char> resume_data;
|
|
|
|
// One of the values from storage_mode_t. For more information, see
|
|
// storage-allocation_.
|
|
storage_mode_t storage_mode;
|
|
|
|
// can be used to customize how the data is stored. The default storage
|
|
// will simply write the data to the files it belongs to, but it could be
|
|
// overridden to save everything to a single file at a specific location
|
|
// or encrypt the content on disk for instance. For more information
|
|
// about the storage_interface that needs to be implemented for a custom
|
|
// storage, see storage_interface.
|
|
storage_constructor_type storage;
|
|
|
|
// The ``userdata`` parameter is optional and will be passed on to the
|
|
// extension constructor functions, if any
|
|
// (see torrent_handle::add_extension()).
|
|
void* userdata;
|
|
|
|
// can be set to control the initial file priorities when adding a
|
|
// torrent. The semantics are the same as for
|
|
// ``torrent_handle::prioritize_files()``.
|
|
std::vector<boost::uint8_t> file_priorities;
|
|
|
|
// torrent extension construction functions can be added to this vector
|
|
// to have them be added immediately when the torrent is constructed.
|
|
// This may be desired over the torrent_handle::add_extension() in order
|
|
// to avoid race conditions. For instance it may be important to have the
|
|
// plugin catch events that happen very early on after the torrent is
|
|
// created.
|
|
std::vector<boost::function<boost::shared_ptr<torrent_plugin>(torrent*, void*)> >
|
|
extensions;
|
|
|
|
// the default tracker id to be used when announcing to trackers. By
|
|
// default this is empty, and no tracker ID is used, since this is an
|
|
// optional argument. If a tracker returns a tracker ID, that ID is used
|
|
// instead of this.
|
|
std::string trackerid;
|
|
|
|
// If you specify a ``url``, the torrent will be set in
|
|
// ``downloading_metadata`` state until the .torrent file has been
|
|
// downloaded. If there's any error while downloading, the torrent will
|
|
// be stopped and the torrent error state (``torrent_status::error``)
|
|
// will indicate what went wrong. The ``url`` may refer to a magnet link
|
|
// or a regular http URL.
|
|
//
|
|
// If it refers to an HTTP URL, the info-hash for the added torrent will
|
|
// not be the true info-hash of the .torrent. Instead a placeholder,
|
|
// unique, info-hash is used which is later updated once the .torrent
|
|
// file has been downloaded.
|
|
//
|
|
// Once the info-hash change happens, a torrent_update_alert is posted.
|
|
std::string url;
|
|
|
|
// if ``uuid`` is specified, it is used to find duplicates. If another
|
|
// torrent is already running with the same UUID as the one being added,
|
|
// it will be considered a duplicate. This is mainly useful for RSS feed
|
|
// items which has UUIDs specified.
|
|
std::string uuid;
|
|
|
|
// should point to the URL of the RSS feed this torrent comes from, if it
|
|
// comes from an RSS feed.
|
|
std::string source_feed_url;
|
|
|
|
// flags controlling aspects of this torrent and how it's added. See
|
|
// flags_t for details.
|
|
boost::uint64_t flags;
|
|
|
|
// set this to the info hash of the torrent to add in case the info-hash
|
|
// is the only known property of the torrent. i.e. you don't have a
|
|
// .torrent file nor a magnet link.
|
|
sha1_hash info_hash;
|
|
|
|
// ``max_uploads``, ``max_connections``, ``upload_limit``,
|
|
// ``download_limit`` correspond to the ``set_max_uploads()``,
|
|
// ``set_max_connections()``, ``set_upload_limit()`` and
|
|
// ``set_download_limit()`` functions on torrent_handle. These values let
|
|
// you initialize these settings when the torrent is added, instead of
|
|
// calling these functions immediately following adding it.
|
|
//
|
|
// -1 means unlimited on these settings just like their counterpart
|
|
// functions on torrent_handle
|
|
int max_uploads;
|
|
int max_connections;
|
|
int upload_limit;
|
|
int download_limit;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
bool seed_mode;
|
|
bool override_resume_data;
|
|
bool upload_mode;
|
|
bool share_mode;
|
|
bool apply_ip_filter;
|
|
bool paused;
|
|
bool auto_managed;
|
|
bool duplicate_is_error;
|
|
bool merge_resume_trackers;
|
|
#endif
|
|
|
|
};
|
|
}
|
|
|
|
#endif
|
|
|