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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 Adam Crume <adamcrume@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef _INCLUDED_RBD_REPLAY_IMAGENAMEMAP_HPP
#define _INCLUDED_RBD_REPLAY_IMAGENAMEMAP_HPP
#include <map>
#include <string>
#include "rbd_loc.hpp"
namespace rbd_replay {
/**
Maps image names.
*/
class ImageNameMap {
public:
typedef std::pair<rbd_loc, rbd_loc> Mapping;
/**
Parses a mapping.
If parsing fails, the contents of \c mapping are undefined.
@param[in] mapping_string string representation of the mapping
@param[out] mapping stores the parsed mapping
@retval true parsing was successful
*/
bool parse_mapping(std::string mapping_string, Mapping *mapping) const;
void add_mapping(const Mapping& mapping);
/**
Maps an image name.
If no mapping matches the name, it is returned unmodified.
*/
rbd_loc map(const rbd_loc& name) const;
private:
std::map<rbd_loc, rbd_loc> m_map;
};
}
#endif
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