zbackup/backup_restorer.hh

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// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org>
// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE
2013-07-18 21:33:25 +04:00
#ifndef BACKUP_RESTORER_HH_INCLUDED__
#define BACKUP_RESTORER_HH_INCLUDED__
#include <stddef.h>
#include <exception>
#include <string>
#include "chunk_storage.hh"
#include "ex.hh"
/// Generic interface to stream data out
class DataSink
{
public:
virtual void saveData( void const * data, size_t size )=0;
virtual ~DataSink() {}
};
/// Restores the backup
namespace BackupRestorer {
DEF_EX( Ex, "Backup restorer exception", std::exception )
DEF_EX( exTooManyBytesToEmit, "A backup record asks to emit too many bytes", Ex )
/// Restores the given backup
void restore( ChunkStorage::Reader &, std::string const & backupData,
DataSink & );
}
#endif