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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_MMONJOIN_H
#define CEPH_MMONJOIN_H
#include "messages/PaxosServiceMessage.h"
#include <vector>
using std::vector;
class MMonJoin : public MessageInstance<MMonJoin, PaxosServiceMessage> {
public:
friend factory;
static constexpr int HEAD_VERSION = 2;
static constexpr int COMPAT_VERSION = 2;
uuid_d fsid;
string name;
entity_addrvec_t addrs;
MMonJoin() : MessageInstance(MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION) {}
MMonJoin(uuid_d &f, string n, const entity_addrvec_t& av)
: MessageInstance(MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION),
fsid(f), name(n), addrs(av)
{ }
private:
~MMonJoin() override {}
public:
std::string_view get_type_name() const override { return "mon_join"; }
void print(ostream& o) const override {
o << "mon_join(" << name << " " << addrs << ")";
}
void encode_payload(uint64_t features) override {
using ceph::encode;
paxos_encode();
encode(fsid, payload);
encode(name, payload);
if (HAVE_FEATURE(features, SERVER_NAUTILUS)) {
header.version = HEAD_VERSION;
header.compat_version = COMPAT_VERSION;
encode(addrs, payload, features);
} else {
header.version = 1;
header.compat_version = 1;
encode(addrs.legacy_addr(), payload, features);
}
}
void decode_payload() override {
auto p = payload.cbegin();
paxos_decode(p);
decode(fsid, p);
decode(name, p);
if (header.version == 1) {
entity_addr_t addr;
decode(addr, p);
addrs = entity_addrvec_t(addr);
} else {
decode(addrs, p);
}
}
};
#endif
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