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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_MOSDPGUPDATELOGMISSING_H | |
17 | #define CEPH_MOSDPGUPDATELOGMISSING_H | |
18 | ||
19 | #include "MOSDFastDispatchOp.h" | |
20 | ||
21 | class MOSDPGUpdateLogMissing : public MOSDFastDispatchOp { | |
22 | ||
94b18763 | 23 | static const int HEAD_VERSION = 3; |
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24 | static const int COMPAT_VERSION = 1; |
25 | ||
26 | ||
27 | public: | |
28 | epoch_t map_epoch, min_epoch; | |
29 | spg_t pgid; | |
30 | shard_id_t from; | |
31 | ceph_tid_t rep_tid; | |
31f18b77 | 32 | mempool::osd_pglog::list<pg_log_entry_t> entries; |
94b18763 FG |
33 | // piggybacked osd/pg state |
34 | eversion_t pg_trim_to; // primary->replica: trim to here | |
35 | eversion_t pg_roll_forward_to; // primary->replica: trim rollback info to here | |
7c673cae FG |
36 | |
37 | epoch_t get_epoch() const { return map_epoch; } | |
38 | spg_t get_pgid() const { return pgid; } | |
39 | epoch_t get_query_epoch() const { return map_epoch; } | |
40 | ceph_tid_t get_tid() const { return rep_tid; } | |
41 | ||
42 | epoch_t get_map_epoch() const override { | |
43 | return map_epoch; | |
44 | } | |
45 | epoch_t get_min_epoch() const override { | |
46 | return min_epoch; | |
47 | } | |
48 | spg_t get_spg() const override { | |
49 | return pgid; | |
50 | } | |
51 | ||
52 | MOSDPGUpdateLogMissing() | |
53 | : MOSDFastDispatchOp(MSG_OSD_PG_UPDATE_LOG_MISSING, HEAD_VERSION, | |
54 | COMPAT_VERSION) { } | |
55 | MOSDPGUpdateLogMissing( | |
31f18b77 | 56 | const mempool::osd_pglog::list<pg_log_entry_t> &entries, |
7c673cae FG |
57 | spg_t pgid, |
58 | shard_id_t from, | |
59 | epoch_t epoch, | |
60 | epoch_t min_epoch, | |
94b18763 FG |
61 | ceph_tid_t rep_tid, |
62 | eversion_t pg_trim_to, | |
63 | eversion_t pg_roll_forward_to) | |
7c673cae FG |
64 | : MOSDFastDispatchOp(MSG_OSD_PG_UPDATE_LOG_MISSING, HEAD_VERSION, |
65 | COMPAT_VERSION), | |
66 | map_epoch(epoch), | |
67 | min_epoch(min_epoch), | |
68 | pgid(pgid), | |
69 | from(from), | |
70 | rep_tid(rep_tid), | |
94b18763 FG |
71 | entries(entries), |
72 | pg_trim_to(pg_trim_to), | |
73 | pg_roll_forward_to(pg_roll_forward_to) | |
74 | {} | |
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75 | |
76 | private: | |
77 | ~MOSDPGUpdateLogMissing() override {} | |
78 | ||
79 | public: | |
80 | const char *get_type_name() const override { return "PGUpdateLogMissing"; } | |
81 | void print(ostream& out) const override { | |
82 | out << "pg_update_log_missing(" << pgid << " epoch " << map_epoch | |
83 | << "/" << min_epoch | |
84 | << " rep_tid " << rep_tid | |
94b18763 FG |
85 | << " entries " << entries |
86 | << " trim_to " << pg_trim_to | |
87 | << " roll_forward_to " << pg_roll_forward_to | |
88 | << ")"; | |
7c673cae FG |
89 | } |
90 | ||
91 | void encode_payload(uint64_t features) override { | |
92 | ::encode(map_epoch, payload); | |
93 | ::encode(pgid, payload); | |
94 | ::encode(from, payload); | |
95 | ::encode(rep_tid, payload); | |
96 | ::encode(entries, payload); | |
97 | ::encode(min_epoch, payload); | |
94b18763 FG |
98 | ::encode(pg_trim_to, payload); |
99 | ::encode(pg_roll_forward_to, payload); | |
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100 | } |
101 | void decode_payload() override { | |
102 | bufferlist::iterator p = payload.begin(); | |
103 | ::decode(map_epoch, p); | |
104 | ::decode(pgid, p); | |
105 | ::decode(from, p); | |
106 | ::decode(rep_tid, p); | |
107 | ::decode(entries, p); | |
108 | if (header.version >= 2) { | |
109 | ::decode(min_epoch, p); | |
110 | } else { | |
111 | min_epoch = map_epoch; | |
112 | } | |
94b18763 FG |
113 | if (header.version >= 3) { |
114 | ::decode(pg_trim_to, p); | |
115 | ::decode(pg_roll_forward_to, p); | |
116 | } | |
7c673cae FG |
117 | } |
118 | }; | |
119 | ||
120 | #endif |