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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) 2013 Inktank Storage, Inc. | |
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 MOSDPGPULL_H | |
16 | #define MOSDPGPULL_H | |
17 | ||
18 | #include "MOSDFastDispatchOp.h" | |
19 | ||
9f95a23c | 20 | class MOSDPGPull : public MOSDFastDispatchOp { |
11fdf7f2 TL |
21 | private: |
22 | static constexpr int HEAD_VERSION = 3; | |
23 | static constexpr int COMPAT_VERSION = 2; | |
7c673cae | 24 | |
f67539c2 | 25 | std::vector<PullOp> pulls; |
7c673cae FG |
26 | |
27 | public: | |
28 | pg_shard_t from; | |
29 | spg_t pgid; | |
11fdf7f2 | 30 | epoch_t map_epoch = 0, min_epoch = 0; |
9f95a23c | 31 | uint64_t cost = 0; |
7c673cae FG |
32 | |
33 | epoch_t get_map_epoch() const override { | |
34 | return map_epoch; | |
35 | } | |
36 | epoch_t get_min_epoch() const override { | |
37 | return min_epoch; | |
38 | } | |
39 | spg_t get_spg() const override { | |
40 | return pgid; | |
41 | } | |
42 | ||
f67539c2 TL |
43 | std::vector<PullOp> take_pulls() { |
44 | return std::move(pulls); | |
7c673cae | 45 | } |
f67539c2 TL |
46 | void set_pulls(std::vector<PullOp>&& pull_ops) { |
47 | pulls = std::move(pull_ops); | |
7c673cae FG |
48 | } |
49 | ||
50 | MOSDPGPull() | |
9f95a23c TL |
51 | : MOSDFastDispatchOp{MSG_OSD_PG_PULL, HEAD_VERSION, COMPAT_VERSION} |
52 | {} | |
7c673cae FG |
53 | |
54 | void compute_cost(CephContext *cct) { | |
55 | cost = 0; | |
f67539c2 | 56 | for (auto i = pulls.begin(); i != pulls.end(); ++i) { |
7c673cae FG |
57 | cost += i->cost(cct); |
58 | } | |
59 | } | |
60 | ||
61 | int get_cost() const override { | |
62 | return cost; | |
63 | } | |
64 | ||
65 | void decode_payload() override { | |
f67539c2 | 66 | using ceph::decode; |
11fdf7f2 TL |
67 | auto p = payload.cbegin(); |
68 | decode(pgid.pgid, p); | |
69 | decode(map_epoch, p); | |
70 | decode(pulls, p); | |
71 | decode(cost, p); | |
72 | decode(pgid.shard, p); | |
73 | decode(from, p); | |
7c673cae | 74 | if (header.version >= 3) { |
11fdf7f2 | 75 | decode(min_epoch, p); |
7c673cae FG |
76 | } else { |
77 | min_epoch = map_epoch; | |
78 | } | |
79 | } | |
80 | ||
81 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
82 | using ceph::encode; |
83 | encode(pgid.pgid, payload); | |
84 | encode(map_epoch, payload); | |
85 | encode(pulls, payload, features); | |
86 | encode(cost, payload); | |
87 | encode(pgid.shard, payload); | |
88 | encode(from, payload); | |
89 | encode(min_epoch, payload); | |
7c673cae FG |
90 | } |
91 | ||
11fdf7f2 | 92 | std::string_view get_type_name() const override { return "MOSDPGPull"; } |
7c673cae | 93 | |
f67539c2 | 94 | void print(std::ostream& out) const override { |
7c673cae FG |
95 | out << "MOSDPGPull(" << pgid |
96 | << " e" << map_epoch << "/" << min_epoch | |
97 | << " cost " << cost | |
98 | << ")"; | |
99 | } | |
9f95a23c TL |
100 | |
101 | private: | |
102 | template<class T, typename... Args> | |
103 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
104 | }; |
105 | ||
106 | #endif |