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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_MPGSTATS_H
#define CEPH_MPGSTATS_H
#include "osd/osd_types.h"
#include "messages/PaxosServiceMessage.h"
class MPGStats : public MessageInstance<MPGStats, PaxosServiceMessage> {
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 1;
public:
friend factory;
uuid_d fsid;
map<pg_t, pg_stat_t> pg_stat;
osd_stat_t osd_stat;
map<int64_t, store_statfs_t> pool_stat;
epoch_t epoch = 0;
utime_t had_map_for;
MPGStats() : MessageInstance(MSG_PGSTATS, 0, HEAD_VERSION, COMPAT_VERSION) {}
MPGStats(const uuid_d& f, epoch_t e, utime_t had)
: MessageInstance(MSG_PGSTATS, 0, HEAD_VERSION, COMPAT_VERSION),
fsid(f),
epoch(e),
had_map_for(had)
{}
private:
~MPGStats() override {}
public:
std::string_view get_type_name() const override { return "pg_stats"; }
void print(ostream& out) const override {
out << "pg_stats(" << pg_stat.size() << " pgs tid " << get_tid() << " v " << version << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
paxos_encode();
encode(fsid, payload);
encode(osd_stat, payload, features);
encode(pg_stat, payload);
encode(epoch, payload);
encode(had_map_for, payload);
encode(pool_stat, payload, features);
}
void decode_payload() override {
auto p = payload.cbegin();
paxos_decode(p);
decode(fsid, p);
decode(osd_stat, p);
if (osd_stat.num_osds == 0) {
// for the benefit of legacy OSDs who don't set this field
osd_stat.num_osds = 1;
}
decode(pg_stat, p);
decode(epoch, p);
decode(had_map_for, p);
if (header.version >= 2)
decode(pool_stat, p);
}
};
#endif
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