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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_MOSDPGUPDATELOGMISSING_H
#define CEPH_MOSDPGUPDATELOGMISSING_H
#include "MOSDFastDispatchOp.h"
class MOSDPGUpdateLogMissing : public MessageInstance<MOSDPGUpdateLogMissing, MOSDFastDispatchOp> {
public:
friend factory;
private:
static constexpr int HEAD_VERSION = 3;
static constexpr int COMPAT_VERSION = 1;
public:
epoch_t map_epoch = 0, min_epoch = 0;
spg_t pgid;
shard_id_t from;
ceph_tid_t rep_tid = 0;
mempool::osd_pglog::list<pg_log_entry_t> entries;
// piggybacked osd/pg state
eversion_t pg_trim_to; // primary->replica: trim to here
eversion_t pg_roll_forward_to; // primary->replica: trim rollback info to here
epoch_t get_epoch() const { return map_epoch; }
spg_t get_pgid() const { return pgid; }
epoch_t get_query_epoch() const { return map_epoch; }
ceph_tid_t get_tid() const { return rep_tid; }
epoch_t get_map_epoch() const override {
return map_epoch;
}
epoch_t get_min_epoch() const override {
return min_epoch;
}
spg_t get_spg() const override {
return pgid;
}
MOSDPGUpdateLogMissing()
: MessageInstance(MSG_OSD_PG_UPDATE_LOG_MISSING, HEAD_VERSION,
COMPAT_VERSION) { }
MOSDPGUpdateLogMissing(
const mempool::osd_pglog::list<pg_log_entry_t> &entries,
spg_t pgid,
shard_id_t from,
epoch_t epoch,
epoch_t min_epoch,
ceph_tid_t rep_tid,
eversion_t pg_trim_to,
eversion_t pg_roll_forward_to)
: MessageInstance(MSG_OSD_PG_UPDATE_LOG_MISSING, HEAD_VERSION,
COMPAT_VERSION),
map_epoch(epoch),
min_epoch(min_epoch),
pgid(pgid),
from(from),
rep_tid(rep_tid),
entries(entries),
pg_trim_to(pg_trim_to),
pg_roll_forward_to(pg_roll_forward_to)
{}
private:
~MOSDPGUpdateLogMissing() override {}
public:
std::string_view get_type_name() const override { return "PGUpdateLogMissing"; }
void print(ostream& out) const override {
out << "pg_update_log_missing(" << pgid << " epoch " << map_epoch
<< "/" << min_epoch
<< " rep_tid " << rep_tid
<< " entries " << entries
<< " trim_to " << pg_trim_to
<< " roll_forward_to " << pg_roll_forward_to
<< ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(map_epoch, payload);
encode(pgid, payload);
encode(from, payload);
encode(rep_tid, payload);
encode(entries, payload);
encode(min_epoch, payload);
encode(pg_trim_to, payload);
encode(pg_roll_forward_to, payload);
}
void decode_payload() override {
auto p = payload.cbegin();
decode(map_epoch, p);
decode(pgid, p);
decode(from, p);
decode(rep_tid, p);
decode(entries, p);
if (header.version >= 2) {
decode(min_epoch, p);
} else {
min_epoch = map_epoch;
}
if (header.version >= 3) {
decode(pg_trim_to, p);
decode(pg_roll_forward_to, p);
}
}
};
#endif
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