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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_MOSDBOOT_H
#define CEPH_MOSDBOOT_H
#include "messages/PaxosServiceMessage.h"
#include "include/ceph_features.h"
#include "include/types.h"
#include "osd/osd_types.h"
class MOSDBoot final : public PaxosServiceMessage {
private:
static constexpr int HEAD_VERSION = 7;
static constexpr int COMPAT_VERSION = 7;
public:
OSDSuperblock sb;
entity_addrvec_t hb_back_addrs, hb_front_addrs;
entity_addrvec_t cluster_addrs;
epoch_t boot_epoch; // last epoch this daemon was added to the map (if any)
std::map<std::string,std::string> metadata; ///< misc metadata about this osd
uint64_t osd_features;
MOSDBoot()
: PaxosServiceMessage{MSG_OSD_BOOT, 0, HEAD_VERSION, COMPAT_VERSION},
boot_epoch(0), osd_features(0)
{ }
MOSDBoot(const OSDSuperblock& s, epoch_t e, epoch_t be,
const entity_addrvec_t& hb_back_addr_ref,
const entity_addrvec_t& hb_front_addr_ref,
const entity_addrvec_t& cluster_addr_ref,
uint64_t feat)
: PaxosServiceMessage{MSG_OSD_BOOT, e, HEAD_VERSION, COMPAT_VERSION},
sb(s),
hb_back_addrs(hb_back_addr_ref),
hb_front_addrs(hb_front_addr_ref),
cluster_addrs(cluster_addr_ref),
boot_epoch(be),
osd_features(feat)
{ }
private:
~MOSDBoot() final { }
public:
std::string_view get_type_name() const override { return "osd_boot"; }
void print(std::ostream& out) const override {
out << "osd_boot(osd." << sb.whoami << " booted " << boot_epoch
<< " features " << osd_features
<< " v" << version << ")";
}
void encode_payload(uint64_t features) override {
header.version = HEAD_VERSION;
header.compat_version = COMPAT_VERSION;
using ceph::encode;
paxos_encode();
if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) {
header.version = 6;
header.compat_version = 6;
encode(sb, payload);
hb_back_addrs.legacy_addr().encode(payload, features);
cluster_addrs.legacy_addr().encode(payload, features);
encode(boot_epoch, payload);
hb_front_addrs.legacy_addr().encode(payload, features);
encode(metadata, payload);
encode(osd_features, payload);
return;
}
encode(sb, payload);
encode(hb_back_addrs, payload, features);
encode(cluster_addrs, payload, features);
encode(boot_epoch, payload);
encode(hb_front_addrs, payload, features);
encode(metadata, payload);
encode(osd_features, payload);
}
void decode_payload() override {
auto p = payload.cbegin();
using ceph::decode;
paxos_decode(p);
if (header.version < 7) {
entity_addr_t a;
decode(sb, p);
decode(a, p);
hb_back_addrs = entity_addrvec_t(a);
decode(a, p);
cluster_addrs = entity_addrvec_t(a);
decode(boot_epoch, p);
decode(a, p);
hb_front_addrs = entity_addrvec_t(a);
decode(metadata, p);
decode(osd_features, p);
return;
}
decode(sb, p);
decode(hb_back_addrs, p);
decode(cluster_addrs, p);
decode(boot_epoch, p);
decode(hb_front_addrs, p);
decode(metadata, p);
decode(osd_features, p);
}
private:
template<class T, typename... Args>
friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
};
#endif
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