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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_MOSDPGSCAN_H | |
16 | #define CEPH_MOSDPGSCAN_H | |
17 | ||
18 | #include "MOSDFastDispatchOp.h" | |
19 | ||
9f95a23c | 20 | class MOSDPGScan : public MOSDFastDispatchOp { |
11fdf7f2 TL |
21 | private: |
22 | static constexpr int HEAD_VERSION = 2; | |
23 | static constexpr int COMPAT_VERSION = 2; | |
7c673cae FG |
24 | |
25 | public: | |
26 | enum { | |
27 | OP_SCAN_GET_DIGEST = 1, // just objects and versions | |
28 | OP_SCAN_DIGEST = 2, // result | |
29 | }; | |
30 | const char *get_op_name(int o) const { | |
31 | switch (o) { | |
32 | case OP_SCAN_GET_DIGEST: return "get_digest"; | |
33 | case OP_SCAN_DIGEST: return "digest"; | |
34 | default: return "???"; | |
35 | } | |
36 | } | |
37 | ||
d2e6a577 FG |
38 | __u32 op = 0; |
39 | epoch_t map_epoch = 0, query_epoch = 0; | |
7c673cae FG |
40 | pg_shard_t from; |
41 | spg_t pgid; | |
42 | hobject_t begin, end; | |
43 | ||
44 | epoch_t get_map_epoch() const override { | |
45 | return map_epoch; | |
46 | } | |
47 | epoch_t get_min_epoch() const override { | |
48 | return query_epoch; | |
49 | } | |
50 | spg_t get_spg() const override { | |
51 | return pgid; | |
52 | } | |
53 | ||
54 | void decode_payload() override { | |
11fdf7f2 TL |
55 | auto p = payload.cbegin(); |
56 | decode(op, p); | |
57 | decode(map_epoch, p); | |
58 | decode(query_epoch, p); | |
59 | decode(pgid.pgid, p); | |
60 | decode(begin, p); | |
61 | decode(end, p); | |
7c673cae FG |
62 | |
63 | // handle hobject_t format upgrade | |
64 | if (!begin.is_max() && begin.pool == -1) | |
65 | begin.pool = pgid.pool(); | |
66 | if (!end.is_max() && end.pool == -1) | |
67 | end.pool = pgid.pool(); | |
68 | ||
11fdf7f2 TL |
69 | decode(from, p); |
70 | decode(pgid.shard, p); | |
7c673cae FG |
71 | } |
72 | ||
73 | void encode_payload(uint64_t features) override { | |
11fdf7f2 TL |
74 | using ceph::encode; |
75 | encode(op, payload); | |
76 | encode(map_epoch, payload); | |
77 | if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) { | |
78 | // pre-nautilus OSDs do not set last_peering_reset properly | |
79 | encode(map_epoch, payload); | |
80 | } else { | |
81 | encode(query_epoch, payload); | |
82 | } | |
83 | encode(pgid.pgid, payload); | |
84 | encode(begin, payload); | |
85 | encode(end, payload); | |
86 | encode(from, payload); | |
87 | encode(pgid.shard, payload); | |
7c673cae FG |
88 | } |
89 | ||
90 | MOSDPGScan() | |
9f95a23c | 91 | : MOSDFastDispatchOp{MSG_OSD_PG_SCAN, HEAD_VERSION, COMPAT_VERSION} {} |
7c673cae FG |
92 | MOSDPGScan(__u32 o, pg_shard_t from, |
93 | epoch_t e, epoch_t qe, spg_t p, hobject_t be, hobject_t en) | |
9f95a23c | 94 | : MOSDFastDispatchOp{MSG_OSD_PG_SCAN, HEAD_VERSION, COMPAT_VERSION}, |
7c673cae | 95 | op(o), |
11fdf7f2 | 96 | map_epoch(e), query_epoch(qe), |
7c673cae FG |
97 | from(from), |
98 | pgid(p), | |
99 | begin(be), end(en) { | |
100 | } | |
101 | private: | |
102 | ~MOSDPGScan() override {} | |
103 | ||
104 | public: | |
11fdf7f2 | 105 | std::string_view get_type_name() const override { return "pg_scan"; } |
7c673cae FG |
106 | void print(ostream& out) const override { |
107 | out << "pg_scan(" << get_op_name(op) | |
108 | << " " << pgid | |
109 | << " " << begin << "-" << end | |
110 | << " e " << map_epoch << "/" << query_epoch | |
111 | << ")"; | |
112 | } | |
9f95a23c TL |
113 | private: |
114 | template<class T, typename... Args> | |
115 | friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args); | |
7c673cae FG |
116 | }; |
117 | ||
118 | #endif |