projects / ceph.git / blame
| 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 CEPH_LIBRBD_MIRRORING_WATCHER_H | |
| 5 | #define CEPH_LIBRBD_MIRRORING_WATCHER_H | |
| 6 | ||
| 7 | #include "include/int_types.h" | |
| 8 | #include "cls/rbd/cls_rbd_types.h" | |
| 9 | #include "librbd/ImageCtx.h" | |
| 10 | #include "librbd/Watcher.h" | |
| 11 | #include "librbd/mirroring_watcher/Types.h" | |
| 12 | ||
| 13 | namespace librados { | |
| 14 | class IoCtx; | |
| 15 | } | |
| 16 | ||
| 17 | namespace librbd { | |
| 18 | ||
| 19 | namespace watcher { | |
| 20 | namespace util { | |
| 21 | template <typename> struct HandlePayloadVisitor; | |
| 22 | } | |
| 23 | } | |
| 24 | ||
| 25 | template <typename ImageCtxT = librbd::ImageCtx> | |
| 26 | class MirroringWatcher : public Watcher { | |
| 27 | friend struct watcher::util::HandlePayloadVisitor<MirroringWatcher<ImageCtxT>>; | |
| 28 | ||
| 29 | public: | |
| 30 | MirroringWatcher(librados::IoCtx &io_ctx, ContextWQ *work_queue); | |
| 31 | ||
| 32 | static int notify_mode_updated(librados::IoCtx &io_ctx, | |
| 33 | cls::rbd::MirrorMode mirror_mode); | |
| 34 | static void notify_mode_updated(librados::IoCtx &io_ctx, | |
| 35 | cls::rbd::MirrorMode mirror_mode, | |
| 36 | Context *on_finish); | |
| 37 | ||
| 38 | static int notify_image_updated(librados::IoCtx &io_ctx, | |
| 39 | cls::rbd::MirrorImageState mirror_image_state, | |
| 40 | const std::string &image_id, | |
| 41 | const std::string &global_image_id); | |
| 42 | static void notify_image_updated(librados::IoCtx &io_ctx, | |
| 43 | cls::rbd::MirrorImageState mirror_image_state, | |
| 44 | const std::string &image_id, | |
| 45 | const std::string &global_image_id, | |
| 46 | Context *on_finish); | |
| 47 | ||
| 48 | virtual void handle_mode_updated(cls::rbd::MirrorMode mirror_mode) = 0; | |
| 49 | virtual void handle_image_updated(cls::rbd::MirrorImageState state, | |
| 50 | const std::string &image_id, | |
| 51 | const std::string &global_image_id) = 0; | |
| 52 | ||
| 53 | private: | |
| 54 | bool handle_payload(const mirroring_watcher::ModeUpdatedPayload &payload, | |
| 55 | Context *on_notify_ack); | |
| 56 | bool handle_payload(const mirroring_watcher::ImageUpdatedPayload &payload, | |
| 57 | Context *on_notify_ack); | |
| 58 | bool handle_payload(const mirroring_watcher::UnknownPayload &payload, | |
| 59 | Context *on_notify_ack); | |
| 60 | ||
| 61 | void handle_notify(uint64_t notify_id, uint64_t handle, | |
| 62 | uint64_t notifier_id, bufferlist &bl) override; | |
| 63 | }; | |
| 64 | ||
| 65 | } // namespace librbd | |
| 66 | ||
| 67 | extern template class librbd::MirroringWatcher<librbd::ImageCtx>; | |
| 68 | ||
| 69 | #endif // CEPH_LIBRBD_MIRRORING_WATCHER_H |