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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#pragma once
#include <map>
#include <string>
#include <seastar/core/future.hh>
#include "osd/osd_types.h"
namespace ceph::os {
class CyanStore;
class Collection;
class Transaction;
}
/// metadata shared across PGs, or put in another way,
/// metadata not specific to certain PGs.
class OSDMeta {
template<typename T> using Ref = boost::intrusive_ptr<T>;
ceph::os::CyanStore* store;
Ref<ceph::os::Collection> coll;
public:
OSDMeta(Ref<ceph::os::Collection> coll,
ceph::os::CyanStore* store)
: store{store}, coll{coll}
{}
auto collection() {
return coll;
}
void create(ceph::os::Transaction& t);
void store_map(ceph::os::Transaction& t,
epoch_t e, const bufferlist& m);
seastar::future<bufferlist> load_map(epoch_t e);
void store_superblock(ceph::os::Transaction& t,
const OSDSuperblock& sb);
seastar::future<OSDSuperblock> load_superblock();
using ec_profile_t = std::map<std::string, std::string>;
seastar::future<pg_pool_t,
std::string,
ec_profile_t> load_final_pool_info(int64_t pool);
private:
static ghobject_t osdmap_oid(epoch_t epoch);
static ghobject_t final_pool_info_oid(int64_t pool);
static ghobject_t superblock_oid();
};
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