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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) 2017 Sage Weil <sage@redhat.com>
*
* 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_MOSDREPSCRUBMAP_H
#define CEPH_MOSDREPSCRUBMAP_H
#include "MOSDFastDispatchOp.h"
/*
* pass a ScrubMap from a shard back to the primary
*/
class MOSDRepScrubMap : public MessageInstance<MOSDRepScrubMap, MOSDFastDispatchOp> {
public:
friend factory;
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 1;
spg_t pgid; // primary spg_t
epoch_t map_epoch = 0;
pg_shard_t from; // whose scrubmap this is
bufferlist scrub_map_bl;
bool preempted = false;
epoch_t get_map_epoch() const override {
return map_epoch;
}
spg_t get_spg() const override {
return pgid;
}
MOSDRepScrubMap()
: MessageInstance(MSG_OSD_REP_SCRUBMAP, HEAD_VERSION, COMPAT_VERSION) {}
MOSDRepScrubMap(spg_t pgid, epoch_t map_epoch, pg_shard_t from)
: MessageInstance(MSG_OSD_REP_SCRUBMAP, HEAD_VERSION, COMPAT_VERSION),
pgid(pgid),
map_epoch(map_epoch),
from(from) {}
private:
~MOSDRepScrubMap() {}
public:
std::string_view get_type_name() const override { return "rep_scrubmap"; }
void print(ostream& out) const override {
out << "rep_scrubmap(" << pgid << " e" << map_epoch
<< " from shard " << from
<< (preempted ? " PREEMPTED":"") << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(pgid, payload);
encode(map_epoch, payload);
encode(from, payload);
encode(preempted, payload);
}
void decode_payload() override {
auto p = payload.cbegin();
decode(pgid, p);
decode(map_epoch, p);
decode(from, p);
if (header.version >= 2) {
decode(preempted, p);
}
}
};
#endif
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