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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) 2004-2006 Sage Weil <sage@newdream.net>
*
* 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 CEPH_FSMAPCOMPACT_H
#define CEPH_FSMAPCOMPACT_H
#include <map>
#include <string>
#include <string_view>
#include "mds/mdstypes.h"
class FSMapUser {
public:
struct fs_info_t {
fs_cluster_id_t cid;
std::string name;
fs_info_t() : cid(FS_CLUSTER_ID_NONE) {}
void encode(bufferlist& bl, uint64_t features) const;
void decode(bufferlist::const_iterator &bl);
};
epoch_t epoch;
fs_cluster_id_t legacy_client_fscid;
std::map<fs_cluster_id_t, fs_info_t> filesystems;
FSMapUser()
: epoch(0), legacy_client_fscid(FS_CLUSTER_ID_NONE) { }
epoch_t get_epoch() const { return epoch; }
fs_cluster_id_t get_fs_cid(std::string_view name) const {
for (auto &p : filesystems) {
if (p.second.name == name)
return p.first;
}
return FS_CLUSTER_ID_NONE;
}
void encode(bufferlist& bl, uint64_t features) const;
void decode(bufferlist::const_iterator& bl);
void print(ostream& out) const;
void print_summary(Formatter *f, ostream *out);
static void generate_test_instances(list<FSMapUser*>& ls);
};
WRITE_CLASS_ENCODER_FEATURES(FSMapUser::fs_info_t)
WRITE_CLASS_ENCODER_FEATURES(FSMapUser)
inline ostream& operator<<(ostream& out, FSMapUser& m) {
m.print_summary(NULL, &out);
return out;
}
#endif
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