]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #ifndef RBD_MIRROR_IMAGE_REPLAYER_PREPARE_LOCAL_IMAGE_REQUEST_H | |
5 | #define RBD_MIRROR_IMAGE_REPLAYER_PREPARE_LOCAL_IMAGE_REQUEST_H | |
6 | ||
7 | #include "include/buffer.h" | |
8 | #include <string> | |
9 | ||
10 | namespace librados { struct IoCtx; } | |
11 | namespace librbd { struct ImageCtx; } | |
12 | ||
13 | struct Context; | |
14 | struct ContextWQ; | |
15 | ||
16 | namespace rbd { | |
17 | namespace mirror { | |
18 | namespace image_replayer { | |
19 | ||
20 | template <typename ImageCtxT = librbd::ImageCtx> | |
21 | class PrepareLocalImageRequest { | |
22 | public: | |
23 | static PrepareLocalImageRequest *create(librados::IoCtx &io_ctx, | |
24 | const std::string &global_image_id, | |
25 | std::string *local_image_id, | |
26 | std::string *tag_owner, | |
27 | ContextWQ *work_queue, | |
28 | Context *on_finish) { | |
29 | return new PrepareLocalImageRequest(io_ctx, global_image_id, local_image_id, | |
30 | tag_owner, work_queue, on_finish); | |
31 | } | |
32 | ||
33 | PrepareLocalImageRequest(librados::IoCtx &io_ctx, | |
34 | const std::string &global_image_id, | |
35 | std::string *local_image_id, | |
36 | std::string *tag_owner, | |
37 | ContextWQ *work_queue, | |
38 | Context *on_finish) | |
39 | : m_io_ctx(io_ctx), m_global_image_id(global_image_id), | |
40 | m_local_image_id(local_image_id), m_tag_owner(tag_owner), | |
41 | m_work_queue(work_queue), m_on_finish(on_finish) { | |
42 | } | |
43 | ||
44 | void send(); | |
45 | ||
46 | private: | |
47 | /** | |
48 | * @verbatim | |
49 | * | |
50 | * <start> | |
51 | * | | |
52 | * v | |
53 | * GET_LOCAL_IMAGE_ID | |
54 | * | | |
55 | * v | |
56 | * GET_MIRROR_STATE | |
57 | * | | |
58 | * v | |
59 | * <finish> | |
60 | ||
61 | * @endverbatim | |
62 | */ | |
63 | ||
64 | librados::IoCtx &m_io_ctx; | |
65 | std::string m_global_image_id; | |
66 | std::string *m_local_image_id; | |
67 | std::string *m_tag_owner; | |
68 | ContextWQ *m_work_queue; | |
69 | Context *m_on_finish; | |
70 | ||
71 | bufferlist m_out_bl; | |
72 | ||
73 | void get_local_image_id(); | |
74 | void handle_get_local_image_id(int r); | |
75 | ||
76 | void get_mirror_state(); | |
77 | void handle_get_mirror_state(int r); | |
78 | ||
79 | void get_tag_owner(); | |
80 | void handle_get_tag_owner(int r); | |
81 | ||
82 | void finish(int r); | |
83 | ||
84 | }; | |
85 | ||
86 | } // namespace image_replayer | |
87 | } // namespace mirror | |
88 | } // namespace rbd | |
89 | ||
90 | extern template class rbd::mirror::image_replayer::PrepareLocalImageRequest<librbd::ImageCtx>; | |
91 | ||
92 | #endif // RBD_MIRROR_IMAGE_REPLAYER_PREPARE_LOCAL_IMAGE_REQUEST_H |