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/* Icinga 2 | (c) 2022 Icinga GmbH | GPLv2+ */

#ifndef ATOMIC_FILE_H
#define ATOMIC_FILE_H

#include "base/string.hpp"
#include <boost/iostreams/device/file_descriptor.hpp>
#include <boost/iostreams/stream.hpp>

namespace icinga
{

/**
 * Atomically replaces a file's content.
 *
 * @ingroup base
 */
class AtomicFile : public boost::iostreams::stream<boost::iostreams::file_descriptor>
{
public:
	AtomicFile(String path, int mode);
	~AtomicFile();

	void Commit();

private:
	String m_Path;
	String m_TempFilename;
	int m_Fd;
};

}

#endif /* ATOMIC_FILE_H */