projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
| 2 | // vim: ts=8 sw=2 smarttab | |
| 3 | /* | |
| 4 | * Ceph - scalable distributed file system | |
| 5 | * | |
| 6 | * Copyright (C) 2014 Adam Crume <adamcrume@gmail.com> | |
| 7 | * | |
| 8 | * This is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU Lesser General Public | |
| 10 | * License version 2.1, as published by the Free Software | |
| 11 | * Foundation. See file COPYING. | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef _INCLUDED_RBD_REPLAY_IMAGENAMEMAP_HPP | |
| 16 | #define _INCLUDED_RBD_REPLAY_IMAGENAMEMAP_HPP | |
| 17 | ||
| 18 | #include <map> | |
| 19 | #include <string> | |
| 20 | #include "rbd_loc.hpp" | |
| 21 | ||
| 22 | namespace rbd_replay { | |
| 23 | ||
| 24 | /** | |
| 25 | Maps image names. | |
| 26 | */ | |
| 27 | class ImageNameMap { | |
| 28 | public: | |
| 29 | typedef std::pair<rbd_loc, rbd_loc> Mapping; | |
| 30 | ||
| 31 | /** | |
| 32 | Parses a mapping. | |
| 33 | If parsing fails, the contents of \c mapping are undefined. | |
| 34 | @param[in] mapping_string string representation of the mapping | |
| 35 | @param[out] mapping stores the parsed mapping | |
| 36 | @retval true parsing was successful | |
| 37 | */ | |
| 38 | bool parse_mapping(std::string mapping_string, Mapping *mapping) const; | |
| 39 | ||
| 40 | void add_mapping(const Mapping& mapping); | |
| 41 | ||
| 42 | /** | |
| 43 | Maps an image name. | |
| 44 | If no mapping matches the name, it is returned unmodified. | |
| 45 | */ | |
| 46 | rbd_loc map(const rbd_loc& name) const; | |
| 47 | ||
| 48 | private: | |
| 49 | std::map<rbd_loc, rbd_loc> m_map; | |
| 50 | }; | |
| 51 | ||
| 52 | } | |
| 53 | ||
| 54 | #endif |