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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_MHEARTBEAT_H
#define CEPH_MHEARTBEAT_H
#include "include/types.h"
#include "common/DecayCounter.h"
#include "messages/MMDSOp.h"
class MHeartbeat final : public MMDSOp {
private:
mds_load_t load;
__s32 beat = 0;
std::map<mds_rank_t, float> import_map;
public:
const mds_load_t& get_load() const { return load; }
int get_beat() const { return beat; }
const std::map<mds_rank_t, float>& get_import_map() const { return import_map; }
std::map<mds_rank_t, float>& get_import_map() { return import_map; }
protected:
MHeartbeat() : MMDSOp(MSG_MDS_HEARTBEAT), load(DecayRate()) {}
MHeartbeat(mds_load_t& load, int beat)
: MMDSOp(MSG_MDS_HEARTBEAT),
load(load),
beat(beat)
{}
~MHeartbeat() final {}
public:
std::string_view get_type_name() const override { return "HB"; }
void encode_payload(uint64_t features) override {
using ceph::encode;
encode(load, payload);
encode(beat, payload);
encode(import_map, payload);
}
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
decode(load, p);
decode(beat, p);
decode(import_map, p);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
template<class T, typename... Args>
friend MURef<T> crimson::make_message(Args&&... args);
};
#endif
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