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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 | #ifndef CEPH_LIBRBD_JOURNAL_UTILS_H | |
5 | #define CEPH_LIBRBD_JOURNAL_UTILS_H | |
6 | ||
7 | #include "include/int_types.h" | |
8 | #include "include/Context.h" | |
9 | #include "cls/journal/cls_journal_types.h" | |
10 | #include <list> | |
11 | ||
12 | struct CephContext; | |
13 | struct Mutex; | |
14 | ||
15 | namespace librbd { | |
16 | namespace journal { | |
17 | ||
18 | struct TagData; | |
19 | ||
20 | namespace util { | |
21 | ||
22 | struct C_DecodeTag : public Context { | |
23 | CephContext *cct; | |
24 | Mutex *lock; | |
25 | uint64_t *tag_tid; | |
26 | TagData *tag_data; | |
27 | Context *on_finish; | |
28 | ||
29 | cls::journal::Tag tag; | |
30 | ||
31 | C_DecodeTag(CephContext *cct, Mutex *lock, uint64_t *tag_tid, | |
32 | TagData *tag_data, Context *on_finish) | |
33 | : cct(cct), lock(lock), tag_tid(tag_tid), tag_data(tag_data), | |
34 | on_finish(on_finish) { | |
35 | } | |
36 | ||
37 | void complete(int r) override { | |
38 | on_finish->complete(process(r)); | |
39 | Context::complete(0); | |
40 | } | |
41 | void finish(int r) override { | |
42 | } | |
43 | ||
44 | int process(int r); | |
45 | ||
11fdf7f2 | 46 | static int decode(bufferlist::const_iterator *it, TagData *tag_data); |
7c673cae FG |
47 | |
48 | }; | |
49 | ||
50 | struct C_DecodeTags : public Context { | |
51 | typedef std::list<cls::journal::Tag> Tags; | |
52 | ||
53 | CephContext *cct; | |
54 | Mutex *lock; | |
55 | uint64_t *tag_tid; | |
56 | TagData *tag_data; | |
57 | Context *on_finish; | |
58 | ||
59 | Tags tags; | |
60 | ||
61 | C_DecodeTags(CephContext *cct, Mutex *lock, uint64_t *tag_tid, | |
62 | TagData *tag_data, Context *on_finish) | |
63 | : cct(cct), lock(lock), tag_tid(tag_tid), tag_data(tag_data), | |
64 | on_finish(on_finish) { | |
65 | } | |
66 | ||
67 | void complete(int r) override { | |
68 | on_finish->complete(process(r)); | |
69 | Context::complete(0); | |
70 | } | |
71 | void finish(int r) override { | |
72 | } | |
73 | ||
74 | int process(int r); | |
75 | }; | |
76 | ||
77 | } // namespace util | |
78 | } // namespace journal | |
79 | } // namespace librbd | |
80 | ||
81 | #endif // CEPH_LIBRBD_JOURNAL_UTILS_H |