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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 <string>
#include <unordered_map>
#include <map>
#include <typeinfo>
#include <vector>
#include <optional>
#include <seastar/core/future.hh>
#include "osd/osd_types.h"
#include "include/uuid.h"
#include "os/Transaction.h"
#include "crimson/os/seastore/segment_cleaner.h"
#include "crimson/os/futurized_store.h"
#include "transaction.h"
namespace crimson::os::seastore {
class SeastoreCollection;
class SegmentManager;
class OnodeManager;
class Onode;
using OnodeRef = boost::intrusive_ptr<Onode>;
class Journal;
class LBAManager;
class TransactionManager;
class Cache;
class SeaStore final : public FuturizedStore {
uuid_d osd_fsid;
public:
SeaStore(const std::string& path);
~SeaStore() final;
seastar::future<> stop() final;
seastar::future<> mount() final;
seastar::future<> umount() final;
seastar::future<> mkfs(uuid_d new_osd_fsid) final;
seastar::future<store_statfs_t> stat() const final;
read_errorator::future<ceph::bufferlist> read(
CollectionRef c,
const ghobject_t& oid,
uint64_t offset,
size_t len,
uint32_t op_flags = 0) final;
read_errorator::future<ceph::bufferlist> readv(
CollectionRef c,
const ghobject_t& oid,
interval_set<uint64_t>& m,
uint32_t op_flags = 0) final;
get_attr_errorator::future<ceph::bufferptr> get_attr(
CollectionRef c,
const ghobject_t& oid,
std::string_view name) const final;
get_attrs_ertr::future<attrs_t> get_attrs(
CollectionRef c,
const ghobject_t& oid) final;
seastar::future<struct stat> stat(
CollectionRef c,
const ghobject_t& oid) final;
read_errorator::future<omap_values_t> omap_get_values(
CollectionRef c,
const ghobject_t& oid,
const omap_keys_t& keys) final;
/// Retrieves paged set of values > start (if present)
read_errorator::future<std::tuple<bool, omap_values_t>> omap_get_values(
CollectionRef c, ///< [in] collection
const ghobject_t &oid, ///< [in] oid
const std::optional<std::string> &start ///< [in] start, empty for begin
) final; ///< @return <done, values> values.empty() iff done
read_errorator::future<bufferlist> omap_get_header(
CollectionRef c,
const ghobject_t& oid) final;
seastar::future<std::tuple<std::vector<ghobject_t>, ghobject_t>> list_objects(
CollectionRef c,
const ghobject_t& start,
const ghobject_t& end,
uint64_t limit) const final;
seastar::future<CollectionRef> create_new_collection(const coll_t& cid) final;
seastar::future<CollectionRef> open_collection(const coll_t& cid) final;
seastar::future<std::vector<coll_t>> list_collections() final;
seastar::future<> do_transaction(
CollectionRef ch,
ceph::os::Transaction&& txn) final;
seastar::future<OmapIteratorRef> get_omap_iterator(
CollectionRef ch,
const ghobject_t& oid) final;
seastar::future<std::map<uint64_t, uint64_t>> fiemap(
CollectionRef ch,
const ghobject_t& oid,
uint64_t off,
uint64_t len) final;
seastar::future<> write_meta(const std::string& key,
const std::string& value) final;
seastar::future<std::tuple<int, std::string>> read_meta(const std::string& key) final;
uuid_d get_fsid() const final;
unsigned get_max_attr_name_length() const final {
return 256;
}
private:
std::unique_ptr<SegmentManager> segment_manager;
std::unique_ptr<SegmentCleaner> segment_cleaner;
std::unique_ptr<Cache> cache;
std::unique_ptr<Journal> journal;
std::unique_ptr<LBAManager> lba_manager;
std::unique_ptr<TransactionManager> transaction_manager;
std::unique_ptr<OnodeManager> onode_manager;
using write_ertr = crimson::errorator<
crimson::ct_error::input_output_error>;
write_ertr::future<> _do_transaction_step(
TransactionRef &trans,
CollectionRef &col,
std::vector<OnodeRef> &onodes,
ceph::os::Transaction::iterator &i);
write_ertr::future<> _remove(
TransactionRef &trans,
OnodeRef &onode);
write_ertr::future<> _touch(
TransactionRef &trans,
OnodeRef &onode);
write_ertr::future<> _write(
TransactionRef &trans,
OnodeRef &onode,
uint64_t offset, size_t len, const ceph::bufferlist& bl,
uint32_t fadvise_flags);
write_ertr::future<> _omap_set_values(
TransactionRef &trans,
OnodeRef &onode,
std::map<std::string, ceph::bufferlist> &&aset);
write_ertr::future<> _omap_set_header(
TransactionRef &trans,
OnodeRef &onode,
const ceph::bufferlist &header);
write_ertr::future<> _omap_rmkeys(
TransactionRef &trans,
OnodeRef &onode,
const omap_keys_t& aset);
write_ertr::future<> _omap_rmkeyrange(
TransactionRef &trans,
OnodeRef &onode,
const std::string &first,
const std::string &last);
write_ertr::future<> _truncate(
TransactionRef &trans,
OnodeRef &onode, uint64_t size);
write_ertr::future<> _setattrs(
TransactionRef &trans,
OnodeRef &onode,
std::map<std::string,bufferptr>& aset);
write_ertr::future<> _create_collection(
TransactionRef &trans,
const coll_t& cid, int bits);
boost::intrusive_ptr<SeastoreCollection> _get_collection(const coll_t& cid);
};
}
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