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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 | ||
16 | #ifndef CEPH_MOSDPGREMOVE_H | |
17 | #define CEPH_MOSDPGREMOVE_H | |
18 | ||
19 | #include "common/hobject.h" | |
20 | #include "msg/Message.h" | |
21 | ||
22 | ||
23 | class MOSDPGRemove : public Message { | |
24 | ||
25 | static const int HEAD_VERSION = 3; | |
26 | static const int COMPAT_VERSION = 2; | |
27 | ||
d2e6a577 | 28 | epoch_t epoch = 0; |
7c673cae FG |
29 | |
30 | public: | |
31 | vector<spg_t> pg_list; | |
32 | ||
33 | epoch_t get_epoch() const { return epoch; } | |
34 | ||
35 | MOSDPGRemove() : | |
36 | Message(MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION) {} | |
37 | MOSDPGRemove(epoch_t e, vector<spg_t>& l) : | |
38 | Message(MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION) { | |
39 | this->epoch = e; | |
40 | pg_list.swap(l); | |
41 | } | |
42 | private: | |
43 | ~MOSDPGRemove() override {} | |
44 | ||
45 | public: | |
46 | const char *get_type_name() const override { return "PGrm"; } | |
47 | ||
48 | void encode_payload(uint64_t features) override { | |
c07f9fc5 FG |
49 | if (HAVE_FEATURE(features, SERVER_LUMINOUS)) { |
50 | header.version = HEAD_VERSION; | |
51 | } else { | |
7c673cae FG |
52 | // for jewel+kraken |
53 | header.version = 2; | |
54 | ::encode(epoch, payload); | |
55 | ||
56 | vector<pg_t> _pg_list; | |
57 | _pg_list.reserve(pg_list.size()); | |
58 | vector<shard_id_t> _shard_list; | |
59 | _shard_list.reserve(pg_list.size()); | |
60 | for (auto i = pg_list.begin(); i != pg_list.end(); ++i) { | |
61 | _pg_list.push_back(i->pgid); | |
62 | _shard_list.push_back(i->shard); | |
63 | } | |
64 | ::encode(_pg_list, payload); | |
65 | ::encode(_shard_list, payload); | |
66 | return; | |
67 | } | |
68 | ::encode(epoch, payload); | |
69 | ::encode(pg_list, payload); | |
70 | } | |
71 | void decode_payload() override { | |
72 | bufferlist::iterator p = payload.begin(); | |
73 | if (header.version == 2) { | |
74 | // jewel/kraken | |
75 | ::decode(epoch, p); | |
76 | vector<pg_t> _pg_list; | |
77 | ::decode(_pg_list, p); | |
78 | ||
79 | vector<shard_id_t> _shard_list(_pg_list.size(), shard_id_t::NO_SHARD); | |
80 | _shard_list.clear(); | |
81 | ::decode(_shard_list, p); | |
82 | assert(_shard_list.size() == _pg_list.size()); | |
83 | pg_list.reserve(_shard_list.size()); | |
84 | for (unsigned i = 0; i < _shard_list.size(); ++i) { | |
85 | pg_list.push_back(spg_t(_pg_list[i], _shard_list[i])); | |
86 | } | |
87 | return; | |
88 | } | |
89 | ::decode(epoch, p); | |
90 | ::decode(pg_list, p); | |
91 | } | |
92 | void print(ostream& out) const override { | |
93 | out << "osd pg remove(" << "epoch " << epoch << "; "; | |
94 | for (vector<spg_t>::const_iterator i = pg_list.begin(); | |
95 | i != pg_list.end(); | |
96 | ++i) { | |
97 | out << "pg" << *i << "; "; | |
98 | } | |
99 | out << ")"; | |
100 | } | |
101 | }; | |
102 | ||
103 | #endif |