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/************************************************************************
*
* Copyright (C) 2009-2024 IRCAD France
* Copyright (C) 2012-2019 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <sight/core/config.hpp>
#include "core/memory/buffer_allocation_policy.hpp"
#include "core/memory/file_format.hpp"
#include "core/memory/file_holder.hpp"
#include "core/memory/stream/in/factory.hpp"
#include <core/logic_stamp.hpp>
#include <core/macros.hpp>
#include <filesystem>
namespace sight::core::memory
{
struct SIGHT_CORE_CLASS_API buffer_info
{
using size_t = std::size_t;
using counter_type = std::weak_ptr<void>;
SIGHT_CORE_API buffer_info();
SIGHT_CORE_API void clear();
//------------------------------------------------------------------------------
std::int64_t lock_count() const
{
return lock_counter.use_count();
}
size_t size {0};
/// true if 'buffer' is loaded
bool loaded {true};
bool user_stream_factory {false};
file_holder fs_file;
file_format_type file_format {core::memory::other};
counter_type lock_counter;
core::logic_stamp last_access;
core::memory::buffer_allocation_policy::sptr buffer_policy;
SPTR(core::memory::stream::in::factory) istream_factory;
};
} // namespace sight::core::memory
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