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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_MOSDPGBACKFILL_H
#define CEPH_MOSDPGBACKFILL_H
#include "MOSDFastDispatchOp.h"
class MOSDPGBackfill : public MessageInstance<MOSDPGBackfill, MOSDFastDispatchOp> {
public:
friend factory;
private:
static constexpr int HEAD_VERSION = 3;
static constexpr int COMPAT_VERSION = 3;
public:
enum {
OP_BACKFILL_PROGRESS = 2,
OP_BACKFILL_FINISH = 3,
OP_BACKFILL_FINISH_ACK = 4,
};
const char *get_op_name(int o) const {
switch (o) {
case OP_BACKFILL_PROGRESS: return "progress";
case OP_BACKFILL_FINISH: return "finish";
case OP_BACKFILL_FINISH_ACK: return "finish_ack";
default: return "???";
}
}
__u32 op = 0;
epoch_t map_epoch = 0, query_epoch = 0;
spg_t pgid;
hobject_t last_backfill;
pg_stat_t stats;
epoch_t get_map_epoch() const override {
return map_epoch;
}
epoch_t get_min_epoch() const override {
return query_epoch;
}
spg_t get_spg() const override {
return pgid;
}
void decode_payload() override {
auto p = payload.cbegin();
decode(op, p);
decode(map_epoch, p);
decode(query_epoch, p);
decode(pgid.pgid, p);
decode(last_backfill, p);
// For compatibility with version 1
decode(stats.stats, p);
decode(stats, p);
// Handle hobject_t format change
if (!last_backfill.is_max() &&
last_backfill.pool == -1)
last_backfill.pool = pgid.pool();
decode(pgid.shard, p);
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(op, payload);
encode(map_epoch, payload);
encode(query_epoch, payload);
encode(pgid.pgid, payload);
encode(last_backfill, payload);
// For compatibility with version 1
encode(stats.stats, payload);
encode(stats, payload);
encode(pgid.shard, payload);
}
MOSDPGBackfill()
: MessageInstance(MSG_OSD_PG_BACKFILL, HEAD_VERSION, COMPAT_VERSION) {}
MOSDPGBackfill(__u32 o, epoch_t e, epoch_t qe, spg_t p)
: MessageInstance(MSG_OSD_PG_BACKFILL, HEAD_VERSION, COMPAT_VERSION),
op(o),
map_epoch(e), query_epoch(e),
pgid(p) {}
private:
~MOSDPGBackfill() override {}
public:
std::string_view get_type_name() const override { return "pg_backfill"; }
void print(ostream& out) const override {
out << "pg_backfill(" << get_op_name(op)
<< " " << pgid
<< " e " << map_epoch << "/" << query_epoch
<< " lb " << last_backfill
<< ")";
}
};
#endif
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