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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) 2013 Inktank Storage, Inc.
*
* 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_MOSDMARKMEDOWN_H
#define CEPH_MOSDMARKMEDOWN_H
#include "messages/PaxosServiceMessage.h"
class MOSDMarkMeDown final : public PaxosServiceMessage {
private:
static constexpr int HEAD_VERSION = 4;
static constexpr int COMPAT_VERSION = 3;
public:
uuid_d fsid;
int32_t target_osd;
entity_addrvec_t target_addrs;
epoch_t epoch = 0;
bool request_ack = false; // ack requested
bool down_and_dead = false; // mark down and dead
MOSDMarkMeDown()
: PaxosServiceMessage{MSG_OSD_MARK_ME_DOWN, 0,
HEAD_VERSION, COMPAT_VERSION} { }
MOSDMarkMeDown(const uuid_d &fs, int osd, const entity_addrvec_t& av,
epoch_t e, bool request_ack)
: PaxosServiceMessage{MSG_OSD_MARK_ME_DOWN, e,
HEAD_VERSION, COMPAT_VERSION},
fsid(fs), target_osd(osd), target_addrs(av),
epoch(e), request_ack(request_ack) {}
MOSDMarkMeDown(const uuid_d &fs, int osd, const entity_addrvec_t& av,
epoch_t e, bool request_ack, bool down_and_dead)
: PaxosServiceMessage{MSG_OSD_MARK_ME_DOWN, e,
HEAD_VERSION, COMPAT_VERSION},
fsid(fs), target_osd(osd), target_addrs(av),
epoch(e), request_ack(request_ack), down_and_dead(down_and_dead) {}
private:
~MOSDMarkMeDown() final {}
public:
epoch_t get_epoch() const { return epoch; }
void decode_payload() override {
using ceph::decode;
auto p = payload.cbegin();
paxos_decode(p);
if (header.version <= 2) {
decode(fsid, p);
entity_inst_t i;
decode(i, p);
target_osd = i.name.num();
target_addrs = entity_addrvec_t(i.addr);
decode(epoch, p);
decode(request_ack, p);
return;
}
decode(fsid, p);
decode(target_osd, p);
decode(target_addrs, p);
decode(epoch, p);
decode(request_ack, p);
if(header.version >= 4)
decode(down_and_dead, p);
}
void encode_payload(uint64_t features) override {
using ceph::encode;
paxos_encode();
if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) {
header.version = 2;
header.compat_version = 2;
encode(fsid, payload);
encode(entity_inst_t(entity_name_t::OSD(target_osd),
target_addrs.legacy_addr()),
payload, features);
encode(epoch, payload);
encode(request_ack, payload);
return;
}
header.version = HEAD_VERSION;
header.compat_version = COMPAT_VERSION;
encode(fsid, payload);
encode(target_osd, payload, features);
encode(target_addrs, payload, features);
encode(epoch, payload);
encode(request_ack, payload);
encode(down_and_dead, payload);
}
std::string_view get_type_name() const override { return "MOSDMarkMeDown"; }
void print(std::ostream& out) const override {
out << "MOSDMarkMeDown("
<< "request_ack=" << request_ack
<< ", down_and_dead=" << down_and_dead
<< ", osd." << target_osd
<< ", " << target_addrs
<< ", fsid=" << fsid
<< ")";
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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