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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) 2017 Sage Weil <sage@redhat.com> | |
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_MOSDREPSCRUBMAP_H | |
16 | #define CEPH_MOSDREPSCRUBMAP_H | |
17 | ||
18 | #include "MOSDFastDispatchOp.h" | |
19 | ||
20 | /* | |
21 | * pass a ScrubMap from a shard back to the primary | |
22 | */ | |
23 | ||
24 | struct MOSDRepScrubMap : public MOSDFastDispatchOp { | |
25 | ||
28e407b8 | 26 | static const int HEAD_VERSION = 2; |
7c673cae FG |
27 | static const int COMPAT_VERSION = 1; |
28 | ||
29 | spg_t pgid; // primary spg_t | |
30 | epoch_t map_epoch = 0; | |
31 | pg_shard_t from; // whose scrubmap this is | |
32 | bufferlist scrub_map_bl; | |
28e407b8 | 33 | bool preempted = false; |
7c673cae FG |
34 | |
35 | epoch_t get_map_epoch() const override { | |
36 | return map_epoch; | |
37 | } | |
38 | spg_t get_spg() const override { | |
39 | return pgid; | |
40 | } | |
41 | ||
42 | MOSDRepScrubMap() | |
43 | : MOSDFastDispatchOp(MSG_OSD_REP_SCRUBMAP, HEAD_VERSION, COMPAT_VERSION) {} | |
44 | ||
45 | MOSDRepScrubMap(spg_t pgid, epoch_t map_epoch, pg_shard_t from) | |
46 | : MOSDFastDispatchOp(MSG_OSD_REP_SCRUBMAP, HEAD_VERSION, COMPAT_VERSION), | |
47 | pgid(pgid), | |
48 | map_epoch(map_epoch), | |
49 | from(from) {} | |
50 | ||
51 | private: | |
52 | ~MOSDRepScrubMap() {} | |
53 | ||
54 | public: | |
55 | const char *get_type_name() const { return "rep_scrubmap"; } | |
56 | void print(ostream& out) const { | |
57 | out << "rep_scrubmap(" << pgid << " e" << map_epoch | |
28e407b8 AA |
58 | << " from shard " << from |
59 | << (preempted ? " PREEMPTED":"") << ")"; | |
7c673cae FG |
60 | } |
61 | ||
62 | void encode_payload(uint64_t features) { | |
63 | ::encode(pgid, payload); | |
64 | ::encode(map_epoch, payload); | |
65 | ::encode(from, payload); | |
28e407b8 | 66 | ::encode(preempted, payload); |
7c673cae FG |
67 | } |
68 | void decode_payload() { | |
69 | bufferlist::iterator p = payload.begin(); | |
70 | ::decode(pgid, p); | |
71 | ::decode(map_epoch, p); | |
72 | ::decode(from, p); | |
28e407b8 AA |
73 | if (header.version >= 2) { |
74 | ::decode(preempted, p); | |
75 | } | |
7c673cae FG |
76 | } |
77 | }; | |
78 | ||
79 | ||
80 | #endif |