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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef CEPH_MMONJOIN_H | |
16 | #define CEPH_MMONJOIN_H | |
17 | ||
18 | #include "messages/PaxosServiceMessage.h" | |
19 | ||
20 | #include <vector> | |
21 | using std::vector; | |
22 | ||
9f95a23c | 23 | class MMonJoin : public PaxosServiceMessage { |
11fdf7f2 | 24 | public: |
11fdf7f2 TL |
25 | static constexpr int HEAD_VERSION = 2; |
26 | static constexpr int COMPAT_VERSION = 2; | |
27 | ||
7c673cae FG |
28 | uuid_d fsid; |
29 | string name; | |
11fdf7f2 | 30 | entity_addrvec_t addrs; |
7c673cae | 31 | |
9f95a23c | 32 | MMonJoin() : PaxosServiceMessage{MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION} {} |
11fdf7f2 | 33 | MMonJoin(uuid_d &f, string n, const entity_addrvec_t& av) |
9f95a23c | 34 | : PaxosServiceMessage{MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION}, |
11fdf7f2 | 35 | fsid(f), name(n), addrs(av) |
7c673cae FG |
36 | { } |
37 | ||
38 | private: | |
39 | ~MMonJoin() override {} | |
40 | ||
41 | public: | |
11fdf7f2 | 42 | std::string_view get_type_name() const override { return "mon_join"; } |
7c673cae | 43 | void print(ostream& o) const override { |
11fdf7f2 | 44 | o << "mon_join(" << name << " " << addrs << ")"; |
7c673cae FG |
45 | } |
46 | ||
47 | void encode_payload(uint64_t features) override { | |
11fdf7f2 | 48 | using ceph::encode; |
7c673cae | 49 | paxos_encode(); |
11fdf7f2 TL |
50 | encode(fsid, payload); |
51 | encode(name, payload); | |
52 | if (HAVE_FEATURE(features, SERVER_NAUTILUS)) { | |
53 | header.version = HEAD_VERSION; | |
54 | header.compat_version = COMPAT_VERSION; | |
55 | encode(addrs, payload, features); | |
56 | } else { | |
57 | header.version = 1; | |
58 | header.compat_version = 1; | |
59 | encode(addrs.legacy_addr(), payload, features); | |
60 | } | |
7c673cae FG |
61 | } |
62 | void decode_payload() override { | |
11fdf7f2 | 63 | auto p = payload.cbegin(); |
7c673cae | 64 | paxos_decode(p); |
11fdf7f2 TL |
65 | decode(fsid, p); |
66 | decode(name, p); | |
67 | if (header.version == 1) { | |
68 | entity_addr_t addr; | |
69 | decode(addr, p); | |
70 | addrs = entity_addrvec_t(addr); | |
71 | } else { | |
72 | decode(addrs, p); | |
73 | } | |
7c673cae FG |
74 | } |
75 | }; | |
76 | ||
77 | #endif |