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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 | ||
f67539c2 | 20 | class MMonJoin final : public PaxosServiceMessage { |
11fdf7f2 | 21 | public: |
b3b6e05e | 22 | static constexpr int HEAD_VERSION = 3; |
11fdf7f2 TL |
23 | static constexpr int COMPAT_VERSION = 2; |
24 | ||
7c673cae | 25 | uuid_d fsid; |
f67539c2 | 26 | std::string name; |
11fdf7f2 | 27 | entity_addrvec_t addrs; |
b3b6e05e TL |
28 | /* The location members are for stretch mode. crush_loc is the location |
29 | * (generally just a "datacenter=<foo>" statement) of the monitor. The | |
30 | * force_loc is whether the mon cluster should replace a previously-known | |
31 | * location. Generally the monitor will force an update if it's given a | |
32 | * location from the CLI on boot-up, and then never force again (so that it | |
33 | * can be moved/updated via the ceph tool from elsewhere). */ | |
34 | map<string,string> crush_loc; | |
35 | bool force_loc{false}; | |
7c673cae | 36 | |
9f95a23c | 37 | MMonJoin() : PaxosServiceMessage{MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION} {} |
f67539c2 | 38 | MMonJoin(uuid_d &f, std::string n, const entity_addrvec_t& av) |
9f95a23c | 39 | : PaxosServiceMessage{MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION}, |
11fdf7f2 | 40 | fsid(f), name(n), addrs(av) |
7c673cae | 41 | { } |
b3b6e05e TL |
42 | MMonJoin(uuid_d &f, std::string n, const entity_addrvec_t& av, const map<string,string>& cloc, bool force) |
43 | : PaxosServiceMessage{MSG_MON_JOIN, 0, HEAD_VERSION, COMPAT_VERSION}, | |
44 | fsid(f), name(n), addrs(av), crush_loc(cloc), force_loc(force) | |
45 | { } | |
7c673cae FG |
46 | |
47 | private: | |
f67539c2 | 48 | ~MMonJoin() final {} |
7c673cae | 49 | |
f67539c2 | 50 | public: |
11fdf7f2 | 51 | std::string_view get_type_name() const override { return "mon_join"; } |
f67539c2 | 52 | void print(std::ostream& o) const override { |
b3b6e05e | 53 | o << "mon_join(" << name << " " << addrs << " " << crush_loc << ")"; |
7c673cae | 54 | } |
f67539c2 | 55 | |
7c673cae | 56 | void encode_payload(uint64_t features) override { |
11fdf7f2 | 57 | using ceph::encode; |
7c673cae | 58 | paxos_encode(); |
11fdf7f2 TL |
59 | encode(fsid, payload); |
60 | encode(name, payload); | |
61 | if (HAVE_FEATURE(features, SERVER_NAUTILUS)) { | |
62 | header.version = HEAD_VERSION; | |
63 | header.compat_version = COMPAT_VERSION; | |
64 | encode(addrs, payload, features); | |
b3b6e05e TL |
65 | encode(crush_loc, payload); |
66 | encode(force_loc, payload); | |
11fdf7f2 TL |
67 | } else { |
68 | header.version = 1; | |
69 | header.compat_version = 1; | |
70 | encode(addrs.legacy_addr(), payload, features); | |
71 | } | |
7c673cae FG |
72 | } |
73 | void decode_payload() override { | |
f67539c2 | 74 | using ceph::decode; |
11fdf7f2 | 75 | auto p = payload.cbegin(); |
7c673cae | 76 | paxos_decode(p); |
11fdf7f2 TL |
77 | decode(fsid, p); |
78 | decode(name, p); | |
79 | if (header.version == 1) { | |
80 | entity_addr_t addr; | |
81 | decode(addr, p); | |
82 | addrs = entity_addrvec_t(addr); | |
83 | } else { | |
84 | decode(addrs, p); | |
b3b6e05e TL |
85 | if (header.version >= 3) { |
86 | decode(crush_loc, p); | |
87 | decode(force_loc, p); | |
88 | } | |
11fdf7f2 | 89 | } |
7c673cae FG |
90 | } |
91 | }; | |
92 | ||
93 | #endif |