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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_MOSDPGBACKFILL_H | |
16 | #define CEPH_MOSDPGBACKFILL_H | |
17 | ||
18 | #include "MOSDFastDispatchOp.h" | |
19 | ||
20 | class MOSDPGBackfill : public MOSDFastDispatchOp { | |
21 | static const int HEAD_VERSION = 3; | |
22 | static const int COMPAT_VERSION = 3; | |
23 | public: | |
24 | enum { | |
25 | OP_BACKFILL_PROGRESS = 2, | |
26 | OP_BACKFILL_FINISH = 3, | |
27 | OP_BACKFILL_FINISH_ACK = 4, | |
28 | }; | |
29 | const char *get_op_name(int o) const { | |
30 | switch (o) { | |
31 | case OP_BACKFILL_PROGRESS: return "progress"; | |
32 | case OP_BACKFILL_FINISH: return "finish"; | |
33 | case OP_BACKFILL_FINISH_ACK: return "finish_ack"; | |
34 | default: return "???"; | |
35 | } | |
36 | } | |
37 | ||
d2e6a577 FG |
38 | __u32 op = 0; |
39 | epoch_t map_epoch = 0, query_epoch = 0; | |
7c673cae FG |
40 | spg_t pgid; |
41 | hobject_t last_backfill; | |
42 | pg_stat_t stats; | |
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 { | |
55 | bufferlist::iterator p = payload.begin(); | |
56 | ::decode(op, p); | |
57 | ::decode(map_epoch, p); | |
58 | ::decode(query_epoch, p); | |
59 | ::decode(pgid.pgid, p); | |
60 | ::decode(last_backfill, p); | |
61 | ||
62 | // For compatibility with version 1 | |
63 | ::decode(stats.stats, p); | |
64 | ||
65 | ::decode(stats, p); | |
66 | ||
67 | // Handle hobject_t format change | |
68 | if (!last_backfill.is_max() && | |
69 | last_backfill.pool == -1) | |
70 | last_backfill.pool = pgid.pool(); | |
71 | ::decode(pgid.shard, p); | |
72 | } | |
73 | ||
74 | void encode_payload(uint64_t features) override { | |
75 | ::encode(op, payload); | |
76 | ::encode(map_epoch, payload); | |
77 | ::encode(query_epoch, payload); | |
78 | ::encode(pgid.pgid, payload); | |
79 | ::encode(last_backfill, payload); | |
80 | ||
81 | // For compatibility with version 1 | |
82 | ::encode(stats.stats, payload); | |
83 | ||
84 | ::encode(stats, payload); | |
85 | ||
86 | ::encode(pgid.shard, payload); | |
87 | } | |
88 | ||
89 | MOSDPGBackfill() | |
90 | : MOSDFastDispatchOp(MSG_OSD_PG_BACKFILL, HEAD_VERSION, COMPAT_VERSION) {} | |
91 | MOSDPGBackfill(__u32 o, epoch_t e, epoch_t qe, spg_t p) | |
92 | : MOSDFastDispatchOp(MSG_OSD_PG_BACKFILL, HEAD_VERSION, COMPAT_VERSION), | |
93 | op(o), | |
94 | map_epoch(e), query_epoch(e), | |
95 | pgid(p) {} | |
96 | private: | |
97 | ~MOSDPGBackfill() override {} | |
98 | ||
99 | public: | |
100 | const char *get_type_name() const override { return "pg_backfill"; } | |
101 | void print(ostream& out) const override { | |
102 | out << "pg_backfill(" << get_op_name(op) | |
103 | << " " << pgid | |
104 | << " e " << map_epoch << "/" << query_epoch | |
105 | << " lb " << last_backfill | |
106 | << ")"; | |
107 | } | |
108 | }; | |
109 | ||
110 | #endif |