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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:
static void Write(String path, int mode, const String& content);
AtomicFile(String path, int mode);
~AtomicFile();
inline const String& GetTempFilename() const noexcept
{
return m_TempFilename;
}
void Commit();
private:
String m_Path;
String m_TempFilename;
int m_Fd;
};
}
#endif /* ATOMIC_FILE_H */
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