97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
|
|
|
|
Copyright (c) 2003-2015, 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_STORAGE_DEFS_HPP_INCLUDE
|
|
#define TORRENT_STORAGE_DEFS_HPP_INCLUDE
|
|
|
|
#include "libtorrent/config.hpp"
|
|
#include <boost/function.hpp>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace libtorrent
|
|
{
|
|
struct storage_interface;
|
|
class file_storage;
|
|
struct file_pool;
|
|
class torrent_info;
|
|
|
|
// types of storage allocation used for add_torrent_params::storage_mode.
|
|
enum storage_mode_t
|
|
{
|
|
// All pieces will be written to their final position, all files will be
|
|
// allocated in full when the torrent is first started. This is done with
|
|
// ``fallocate()`` and similar calls. This mode minimizes fragmentation.
|
|
storage_mode_allocate,
|
|
|
|
// All pieces will be written to the place where they belong and sparse files
|
|
// will be used. This is the recommended, and default mode.
|
|
storage_mode_sparse,
|
|
|
|
// internal
|
|
internal_storage_mode_compact_deprecated,
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
storage_mode_compact = internal_storage_mode_compact_deprecated
|
|
#endif
|
|
};
|
|
|
|
// see default_storage::default_storage()
|
|
struct TORRENT_EXPORT storage_params
|
|
{
|
|
storage_params(): files(NULL), mapped_files(NULL), pool(NULL)
|
|
, mode(storage_mode_sparse), priorities(NULL), info(NULL) {}
|
|
file_storage const* files;
|
|
file_storage const* mapped_files; // optional
|
|
std::string path;
|
|
file_pool* pool;
|
|
storage_mode_t mode;
|
|
std::vector<boost::uint8_t> const* priorities; // optional
|
|
torrent_info const* info; // optional
|
|
};
|
|
|
|
typedef boost::function<storage_interface*(storage_params const& params)> storage_constructor_type;
|
|
|
|
// the constructor function for the regular file storage. This is the
|
|
// default value for add_torrent_params::storage.
|
|
TORRENT_EXPORT storage_interface* default_storage_constructor(storage_params const&);
|
|
|
|
// the constructor function for the disabled storage. This can be used for
|
|
// testing and benchmarking. It will throw away any data written to
|
|
// it and return garbage for anything read from it.
|
|
TORRENT_EXPORT storage_interface* disabled_storage_constructor(storage_params const&);
|
|
|
|
TORRENT_EXPORT storage_interface* zero_storage_constructor(storage_params const&);
|
|
}
|
|
|
|
#endif
|
|
|