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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_MOSDREPSCRUB_H
#define CEPH_MOSDREPSCRUB_H
#include "MOSDFastDispatchOp.h"
/*
* instruct an OSD initiate a replica scrub on a specific PG
*/
class MOSDRepScrub : public MessageInstance<MOSDRepScrub, MOSDFastDispatchOp> {
public:
friend factory;
static constexpr int HEAD_VERSION = 9;
static constexpr int COMPAT_VERSION = 6;
spg_t pgid; // PG to scrub
eversion_t scrub_from; // only scrub log entries after scrub_from
eversion_t scrub_to; // last_update_applied when message sent
epoch_t map_epoch = 0, min_epoch = 0;
bool chunky; // true for chunky scrubs
hobject_t start; // lower bound of scrub, inclusive
hobject_t end; // upper bound of scrub, exclusive
bool deep; // true if scrub should be deep
bool allow_preemption = false;
int32_t priority = 0;
bool high_priority = false;
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;
}
MOSDRepScrub()
: MessageInstance(MSG_OSD_REP_SCRUB, HEAD_VERSION, COMPAT_VERSION),
chunky(false),
deep(false) { }
MOSDRepScrub(spg_t pgid, eversion_t scrub_to, epoch_t map_epoch, epoch_t min_epoch,
hobject_t start, hobject_t end, bool deep,
bool preemption, int prio, bool highprio)
: MessageInstance(MSG_OSD_REP_SCRUB, HEAD_VERSION, COMPAT_VERSION),
pgid(pgid),
scrub_to(scrub_to),
map_epoch(map_epoch),
min_epoch(min_epoch),
chunky(true),
start(start),
end(end),
deep(deep),
allow_preemption(preemption),
priority(prio),
high_priority(highprio) { }
private:
~MOSDRepScrub() override {}
public:
std::string_view get_type_name() const override { return "replica scrub"; }
void print(ostream& out) const override {
out << "replica_scrub(pg: " << pgid
<< ",from:" << scrub_from
<< ",to:" << scrub_to
<< ",epoch:" << map_epoch << "/" << min_epoch
<< ",start:" << start << ",end:" << end
<< ",chunky:" << chunky
<< ",deep:" << deep
<< ",version:" << header.version
<< ",allow_preemption:" << (int)allow_preemption
<< ",priority=" << priority
<< (high_priority ? " (high)":"")
<< ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(pgid.pgid, payload);
encode(scrub_from, payload);
encode(scrub_to, payload);
encode(map_epoch, payload);
encode(chunky, payload);
encode(start, payload);
encode(end, payload);
encode(deep, payload);
encode(pgid.shard, payload);
encode((uint32_t)-1, payload); // seed
encode(min_epoch, payload);
encode(allow_preemption, payload);
encode(priority, payload);
encode(high_priority, payload);
}
void decode_payload() override {
auto p = payload.cbegin();
decode(pgid.pgid, p);
decode(scrub_from, p);
decode(scrub_to, p);
decode(map_epoch, p);
decode(chunky, p);
decode(start, p);
decode(end, p);
decode(deep, p);
decode(pgid.shard, p);
{
uint32_t seed;
decode(seed, p);
}
if (header.version >= 7) {
decode(min_epoch, p);
} else {
min_epoch = map_epoch;
}
if (header.version >= 8) {
decode(allow_preemption, p);
}
if (header.version >= 9) {
decode(priority, p);
decode(high_priority, p);
}
}
};
#endif
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