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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 <seastar/core/future.hh>
#include "crimson/osd/backfill_state.h"
#include "crimson/osd/osd_operation.h"
#include "crimson/osd/pg_recovery_listener.h"
#include "crimson/osd/scheduler/scheduler.h"
#include "crimson/osd/shard_services.h"
#include "osd/object_state.h"
class MOSDPGBackfillRemove;
class PGBackend;
class PGRecovery : public crimson::osd::BackfillState::BackfillListener {
public:
PGRecovery(PGRecoveryListener* pg) : pg(pg) {}
virtual ~PGRecovery() {}
void start_pglogbased_recovery();
crimson::osd::blocking_future<bool> start_recovery_ops(size_t max_to_start);
void on_backfill_reserved();
void dispatch_backfill_event(
boost::intrusive_ptr<const boost::statechart::event_base> evt);
seastar::future<> stop() { return seastar::now(); }
private:
PGRecoveryListener* pg;
size_t start_primary_recovery_ops(
size_t max_to_start,
std::vector<crimson::osd::blocking_future<>> *out);
size_t start_replica_recovery_ops(
size_t max_to_start,
std::vector<crimson::osd::blocking_future<>> *out);
std::vector<pg_shard_t> get_replica_recovery_order() const {
return pg->get_replica_recovery_order();
}
crimson::osd::blocking_future<> recover_missing(
const hobject_t &soid, eversion_t need);
size_t prep_object_replica_deletes(
const hobject_t& soid,
eversion_t need,
std::vector<crimson::osd::blocking_future<>> *in_progress);
size_t prep_object_replica_pushes(
const hobject_t& soid,
eversion_t need,
std::vector<crimson::osd::blocking_future<>> *in_progress);
void on_local_recover(
const hobject_t& soid,
const ObjectRecoveryInfo& recovery_info,
bool is_delete,
ceph::os::Transaction& t);
void on_global_recover (
const hobject_t& soid,
const object_stat_sum_t& stat_diff,
bool is_delete);
void on_failed_recover(
const set<pg_shard_t>& from,
const hobject_t& soid,
const eversion_t& v);
void on_peer_recover(
pg_shard_t peer,
const hobject_t &oid,
const ObjectRecoveryInfo &recovery_info);
void _committed_pushed_object(epoch_t epoch,
eversion_t last_complete);
friend class ReplicatedRecoveryBackend;
friend class crimson::osd::UrgentRecovery;
seastar::future<> handle_pull(Ref<MOSDPGPull> m);
seastar::future<> handle_push(Ref<MOSDPGPush> m);
seastar::future<> handle_push_reply(Ref<MOSDPGPushReply> m);
seastar::future<> handle_recovery_delete(Ref<MOSDPGRecoveryDelete> m);
seastar::future<> handle_recovery_delete_reply(
Ref<MOSDPGRecoveryDeleteReply> m);
seastar::future<> handle_pull_response(Ref<MOSDPGPush> m);
seastar::future<> handle_scan(MOSDPGScan& m);
// backfill begin
std::unique_ptr<crimson::osd::BackfillState> backfill_state;
std::map<pg_shard_t,
ceph::ref_t<MOSDPGBackfillRemove>> backfill_drop_requests;
template <class EventT>
void start_backfill_recovery(
const EventT& evt);
void request_replica_scan(
const pg_shard_t& target,
const hobject_t& begin,
const hobject_t& end) final;
void request_primary_scan(
const hobject_t& begin) final;
void enqueue_push(
const hobject_t& obj,
const eversion_t& v) final;
void enqueue_drop(
const pg_shard_t& target,
const hobject_t& obj,
const eversion_t& v) final;
void maybe_flush() final;
void update_peers_last_backfill(
const hobject_t& new_last_backfill) final;
bool budget_available() const final;
void backfilled() final;
friend crimson::osd::BackfillState::PGFacade;
friend crimson::osd::PG;
// backfill end
};
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