mirror of
https://github.com/ceph/ceph
synced 2025-01-12 06:00:46 +00:00
70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2014 Adam Crume <adamcrume@gmail.com>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#include "ImageNameMap.hpp"
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using namespace std;
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using namespace rbd_replay;
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bool ImageNameMap::parse_mapping(string mapping_string, Mapping *mapping) const {
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string fields[2];
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int field = 0;
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for (size_t i = 0, n = mapping_string.length(); i < n; i++) {
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char c = mapping_string[i];
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switch (c) {
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case '\\':
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if (i != n - 1 && mapping_string[i + 1] == '=') {
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i++;
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fields[field].push_back('=');
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} else {
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fields[field].push_back('\\');
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}
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break;
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case '=':
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if (field == 1) {
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return false;
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}
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field = 1;
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break;
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default:
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fields[field].push_back(c);
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}
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}
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if (field == 0) {
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return false;
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}
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if (!mapping->first.parse(fields[0])) {
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return false;
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}
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if (!mapping->second.parse(fields[1])) {
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return false;
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}
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return true;
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}
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void ImageNameMap::add_mapping(const Mapping& mapping) {
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m_map.insert(mapping);
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}
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rbd_loc ImageNameMap::map(const rbd_loc& name) const {
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std::map<rbd_loc, rbd_loc>::const_iterator p(m_map.find(name));
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if (p == m_map.end()) {
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return name;
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} else {
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return p->second;
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}
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}
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