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