forked from premiere/premiere-libtorrent
117 lines
3.4 KiB
C++
Executable File
117 lines
3.4 KiB
C++
Executable File
/*
|
|
|
|
Copyright (c) 2003, 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_HPP_INCLUDE
|
|
#define TORRENT_STORAGE_HPP_INCLUDE
|
|
|
|
#include <vector>
|
|
|
|
#include <boost/limits.hpp>
|
|
#include <boost/filesystem/path.hpp>
|
|
#include <boost/thread.hpp>
|
|
|
|
#include "libtorrent/entry.hpp"
|
|
#include "libtorrent/torrent_info.hpp"
|
|
#include "libtorrent/opaque_value_ptr.hpp"
|
|
|
|
namespace libtorrent
|
|
{
|
|
namespace detail
|
|
{
|
|
class piece_checker_data;
|
|
}
|
|
class session;
|
|
|
|
struct file_allocation_failed: std::exception
|
|
{
|
|
file_allocation_failed(const char* error_msg): m_msg(error_msg) {}
|
|
virtual const char* what() const throw() { return m_msg.c_str(); }
|
|
virtual ~file_allocation_failed() throw() {}
|
|
std::string m_msg;
|
|
};
|
|
|
|
class storage
|
|
{
|
|
public:
|
|
storage(
|
|
const torrent_info& info
|
|
, const boost::filesystem::path& path);
|
|
|
|
void swap(storage&);
|
|
|
|
typedef entry::integer_type size_type;
|
|
|
|
size_type read(char* buf, int slot, size_type offset, size_type size);
|
|
void write(const char* buf, int slot, size_type offset, size_type size);
|
|
|
|
private:
|
|
struct impl;
|
|
opaque_value_ptr<impl> m_pimpl;
|
|
};
|
|
|
|
class piece_manager : boost::noncopyable
|
|
{
|
|
public:
|
|
typedef entry::integer_type size_type;
|
|
|
|
piece_manager(
|
|
const torrent_info& info
|
|
, const boost::filesystem::path& path);
|
|
|
|
void check_pieces(
|
|
boost::mutex& mutex
|
|
, detail::piece_checker_data& data
|
|
, std::vector<bool>& pieces);
|
|
|
|
void allocate_slots(int num_slots);
|
|
|
|
size_type read(char* buf, int piece_index, size_type offset, size_type size);
|
|
void write(const char* buf, int piece_index, size_type offset, size_type size);
|
|
|
|
const boost::filesystem::path& save_path() const;
|
|
|
|
// fills the vector that maps all allocated
|
|
// slots to the piece that is stored (or
|
|
// partially stored) there. -2 is the index
|
|
// of unassigned pieces and -1 is unallocated
|
|
void export_piece_map(std::vector<int>& pieces) const;
|
|
|
|
private:
|
|
struct impl;
|
|
opaque_value_ptr<impl, false> m_pimpl;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // TORRENT_STORAGE_HPP_INCLUDED
|
|
|