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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_MOSDPGPEERNOTIFY_H | |
16 | #define CEPH_MOSDPGPEERNOTIFY_H | |
17 | ||
18 | #include "msg/Message.h" | |
19 | ||
20 | #include "osd/osd_types.h" | |
21 | ||
22 | /* | |
23 | * PGNotify - notify primary of my PGs and versions. | |
24 | */ | |
25 | ||
f67539c2 | 26 | class MOSDPGNotify final : public Message { |
11fdf7f2 | 27 | private: |
9f95a23c | 28 | static constexpr int HEAD_VERSION = 7; |
20effc67 | 29 | static constexpr int COMPAT_VERSION = 7; |
7c673cae | 30 | |
d2e6a577 | 31 | epoch_t epoch = 0; |
7c673cae FG |
32 | /// query_epoch is the epoch of the query being responded to, or |
33 | /// the current epoch if this is not being sent in response to a | |
34 | /// query. This allows the recipient to disregard responses to old | |
35 | /// queries. | |
9f95a23c TL |
36 | using pg_list_t = std::vector<pg_notify_t>; |
37 | pg_list_t pg_list; | |
7c673cae FG |
38 | |
39 | public: | |
40 | version_t get_epoch() const { return epoch; } | |
9f95a23c | 41 | const pg_list_t& get_pg_list() const { |
7c673cae FG |
42 | return pg_list; |
43 | } | |
44 | ||
45 | MOSDPGNotify() | |
9f95a23c TL |
46 | : MOSDPGNotify(0, {}) |
47 | {} | |
48 | MOSDPGNotify(epoch_t e, pg_list_t&& l) | |
49 | : Message{MSG_OSD_PG_NOTIFY, HEAD_VERSION, COMPAT_VERSION}, | |
50 | epoch(e), | |
51 | pg_list(std::move(l)) { | |
7c673cae FG |
52 | set_priority(CEPH_MSG_PRIO_HIGH); |
53 | } | |
54 | private: | |
f67539c2 | 55 | ~MOSDPGNotify() final {} |
7c673cae FG |
56 | |
57 | public: | |
11fdf7f2 | 58 | std::string_view get_type_name() const override { return "PGnot"; } |
7c673cae FG |
59 | |
60 | void encode_payload(uint64_t features) override { | |
11fdf7f2 | 61 | using ceph::encode; |
9f95a23c | 62 | header.version = HEAD_VERSION; |
11fdf7f2 | 63 | encode(epoch, payload); |
20effc67 | 64 | assert(HAVE_FEATURE(features, SERVER_OCTOPUS)); |
11fdf7f2 | 65 | encode(pg_list, payload); |
7c673cae FG |
66 | } |
67 | ||
68 | void decode_payload() override { | |
11fdf7f2 | 69 | auto p = payload.cbegin(); |
f67539c2 | 70 | using ceph::decode; |
11fdf7f2 TL |
71 | decode(epoch, p); |
72 | decode(pg_list, p); | |
7c673cae | 73 | } |
f67539c2 | 74 | void print(std::ostream& out) const override { |
7c673cae FG |
75 | out << "pg_notify("; |
76 | for (auto i = pg_list.begin(); | |
77 | i != pg_list.end(); | |
78 | ++i) { | |
79 | if (i != pg_list.begin()) | |
80 | out << " "; | |
9f95a23c | 81 | out << *i; |
7c673cae FG |
82 | } |
83 | out << " epoch " << epoch | |
84 | << ")"; | |
85 | } | |
9f95a23c TL |
86 | private: |
87 | template<class T, typename... Args> | |
88 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
89 | }; |
90 | ||
91 | #endif |