/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#include "MemMappedFile.hpp"
#include "Base/Logger.hpp"
#include "MemMappedFileInternal.hpp"

namespace OpenVulkano
{
	MemMappedFile::MemMappedFile(const std::filesystem::path& path, FileMode fileMode)
	    : m_data(nullptr), m_size(0)
	{
		std::string file = path.string();
		m_internal = std::make_shared<MemMappedFileInternal>(file.c_str(), fileMode);
		m_data = m_internal->address;
		m_size = (m_data) ? m_internal->size : 0;
	}

	void MemMappedFile::Close()
	{
		if (m_internal.use_count() != 1)
		{
			Logger::APP->warn("Closing memory mapped file with {} usages", m_internal.use_count());
		}
		m_internal = nullptr;
		m_data = nullptr;
		m_size = 0;
	}
}