projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
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_PLUGIN_API_H | |
| 5 | #define CEPH_LIBRBD_PLUGIN_API_H | |
| 6 | ||
| 7 | #include "common/ceph_mutex.h" | |
| 8 | #include "include/common_fwd.h" | |
| 9 | #include "include/int_types.h" | |
| 10 | #include "include/rados/librados.hpp" | |
| 11 | #include "librbd/io/Types.h" | |
| 12 | #include "librbd/io/ReadResult.h" | |
| 13 | ||
| 14 | namespace ZTracer { struct Trace; } | |
| 15 | ||
| 16 | class SafeTimer; | |
| 17 | ||
| 18 | namespace librbd { | |
| 19 | ||
| 20 | namespace io { | |
| 21 | class AioCompletion; | |
| 22 | class C_AioRequest; | |
| 23 | } | |
| 24 | ||
| 25 | struct ImageCtx; | |
| 26 | ||
| 27 | namespace plugin { | |
| 28 | ||
| 29 | template <typename ImageCtxT> | |
| 30 | struct Api { | |
| 31 | using Extents = librbd::io::Extents; | |
| 32 | ||
| 33 | Api() {} | |
| 34 | virtual ~Api() {} | |
| 35 | ||
| 36 | virtual void read_parent( | |
| 37 | ImageCtxT *image_ctx, uint64_t object_no, io::ReadExtents* extents, | |
| 38 | librados::snap_t snap_id, const ZTracer::Trace &trace, | |
| 39 | Context* on_finish); | |
| 40 | ||
| 41 | virtual void execute_image_metadata_set( | |
| 42 | ImageCtxT *image_ctx, | |
| 43 | const std::string &key, | |
| 44 | const std::string &value, | |
| 45 | Context *on_finish); | |
| 46 | ||
| 47 | virtual void execute_image_metadata_remove( | |
| 48 | ImageCtxT *image_ctx, | |
| 49 | const std::string &key, | |
| 50 | Context *on_finish); | |
| 51 | ||
| 52 | virtual void get_image_timer_instance( | |
| 53 | CephContext *cct, SafeTimer **timer, | |
| 54 | ceph::mutex **timer_lock); | |
| 55 | ||
| 56 | virtual bool test_image_features( | |
| 57 | ImageCtxT *image_ctx, | |
| 58 | uint64_t features); | |
| 59 | ||
| 60 | virtual void update_aio_comp( | |
| 61 | io::AioCompletion* aio_comp, | |
| 62 | uint32_t request_count, | |
| 63 | io::ReadResult& read_result, | |
| 64 | io::Extents &image_extents); | |
| 65 | ||
| 66 | virtual void update_aio_comp( | |
| 67 | io::AioCompletion* aio_comp, | |
| 68 | uint32_t request_count); | |
| 69 | ||
| 70 | virtual io::ReadResult::C_ImageReadRequest* create_image_read_request( | |
| 71 | io::AioCompletion* aio_comp, uint64_t buffer_offset, | |
| 72 | const Extents& image_extents); | |
| 73 | ||
| 74 | virtual io::C_AioRequest* create_aio_request(io::AioCompletion* aio_comp); | |
| 75 | ||
| 76 | private: | |
| 77 | void start_in_flight_io(io::AioCompletion* aio_comp); | |
| 78 | }; | |
| 79 | ||
| 80 | } // namespace plugin | |
| 81 | } // namespace librbd | |
| 82 | ||
| 83 | extern template class librbd::plugin::Api<librbd::ImageCtx>; | |
| 84 | ||
| 85 | #endif // CEPH_LIBRBD_PLUGIN_API_H |