+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_RBD_UTILS_H
-#define CEPH_RBD_UTILS_H
-
-#include "include/int_types.h"
-#include "include/rados/librados.hpp"
-#include "include/rbd/librbd.hpp"
-#include "tools/rbd/ArgumentTypes.h"
-#include <string>
-#include <boost/program_options.hpp>
-
-namespace rbd {
-namespace utils {
-
-namespace detail {
-
-template <typename T, void(T::*MF)(int)>
-void aio_completion_callback(librbd::completion_t completion,
- void *arg) {
- librbd::RBD::AioCompletion *aio_completion =
- reinterpret_cast<librbd::RBD::AioCompletion*>(completion);
-
- // complete the AIO callback in separate thread context
- T *t = reinterpret_cast<T *>(arg);
- int r = aio_completion->get_return_value();
- aio_completion->release();
-
- (t->*MF)(r);
-}
-
-} // namespace detail
-
-static const std::string RBD_DIFF_BANNER ("rbd diff v1\n");
-static const size_t RBD_DEFAULT_SPARSE_SIZE = 4096;
-
-static const std::string RBD_IMAGE_BANNER_V2 ("rbd image v2\n");
-static const std::string RBD_IMAGE_DIFFS_BANNER_V2 ("rbd image diffs v2\n");
-static const std::string RBD_DIFF_BANNER_V2 ("rbd diff v2\n");
-
-#define RBD_DIFF_FROM_SNAP 'f'
-#define RBD_DIFF_TO_SNAP 't'
-#define RBD_DIFF_IMAGE_SIZE 's'
-#define RBD_DIFF_WRITE 'w'
-#define RBD_DIFF_ZERO 'z'
-#define RBD_DIFF_END 'e'
-
-#define RBD_EXPORT_IMAGE_ORDER 'O'
-#define RBD_EXPORT_IMAGE_FEATURES 'T'
-#define RBD_EXPORT_IMAGE_STRIPE_UNIT 'U'
-#define RBD_EXPORT_IMAGE_STRIPE_COUNT 'C'
-#define RBD_EXPORT_IMAGE_END 'E'
-
-enum SnapshotPresence {
- SNAPSHOT_PRESENCE_NONE,
- SNAPSHOT_PRESENCE_PERMITTED,
- SNAPSHOT_PRESENCE_REQUIRED
-};
-
-enum SpecValidation {
- SPEC_VALIDATION_FULL,
- SPEC_VALIDATION_SNAP,
- SPEC_VALIDATION_NONE
-};
-
-struct ProgressContext : public librbd::ProgressContext {
- const char *operation;
- bool progress;
- int last_pc;
-
- ProgressContext(const char *o, bool no_progress)
- : operation(o), progress(!no_progress), last_pc(0) {
- }
-
- int update_progress(uint64_t offset, uint64_t total) override;
- void finish();
- void fail();
-};
-
-template <typename T, void(T::*MF)(int)>
-librbd::RBD::AioCompletion *create_aio_completion(T *t) {
- return new librbd::RBD::AioCompletion(
- t, &detail::aio_completion_callback<T, MF>);
-}
-
-void aio_context_callback(librbd::completion_t completion, void *arg);
-
-int read_string(int fd, unsigned max, std::string *out);
-
-int extract_spec(const std::string &spec, std::string *pool_name,
- std::string *image_name, std::string *snap_name,
- SpecValidation spec_validation);
-
-int extract_group_spec(const std::string &spec,
- std::string *pool_name,
- std::string *group_name);
-
-int extract_image_id_spec(const std::string &spec, std::string *pool_name,
- std::string *image_id);
-
-std::string get_positional_argument(
- const boost::program_options::variables_map &vm, size_t index);
-
-std::string get_default_pool_name();
-std::string get_pool_name(const boost::program_options::variables_map &vm,
- size_t *arg_index);
-
-int get_pool_image_snapshot_names(
- const boost::program_options::variables_map &vm,
- argument_types::ArgumentModifier mod, size_t *spec_arg_index,
- std::string *pool_name, std::string *image_name, std::string *snap_name,
- SnapshotPresence snapshot_presence, SpecValidation spec_validation,
- bool image_required = true);
-
-int get_pool_snapshot_names(const boost::program_options::variables_map &vm,
- argument_types::ArgumentModifier mod,
- size_t *spec_arg_index, std::string *pool_name,
- std::string *snap_name,
- SnapshotPresence snapshot_presence,
- SpecValidation spec_validation);
-
-int get_special_pool_group_names(const boost::program_options::variables_map &vm,
- size_t *arg_index,
- std::string *group_pool_name,
- std::string *group_name);
-
-int get_special_pool_image_names(const boost::program_options::variables_map &vm,
- size_t *arg_index,
- std::string *image_pool_name,
- std::string *image_name);
-
-int get_pool_image_id(const boost::program_options::variables_map &vm,
- size_t *arg_index, std::string *image_pool_name,
- std::string *image_id);
-
-int get_pool_group_names(const boost::program_options::variables_map &vm,
- argument_types::ArgumentModifier mod,
- size_t *spec_arg_index,
- std::string *pool_name,
- std::string *group_name);
-
-int get_pool_journal_names(
- const boost::program_options::variables_map &vm,
- argument_types::ArgumentModifier mod, size_t *spec_arg_index,
- std::string *pool_name, std::string *journal_name);
-
-int validate_snapshot_name(argument_types::ArgumentModifier mod,
- const std::string &snap_name,
- SnapshotPresence snapshot_presence,
- SpecValidation spec_validation);
-
-int get_image_options(const boost::program_options::variables_map &vm,
- bool get_format, librbd::ImageOptions* opts);
-
-int get_journal_options(const boost::program_options::variables_map &vm,
- librbd::ImageOptions *opts);
-
-int get_image_size(const boost::program_options::variables_map &vm,
- uint64_t *size);
-
-int get_path(const boost::program_options::variables_map &vm,
- const std::string &positional_path, std::string *path);
-
-int get_formatter(const boost::program_options::variables_map &vm,
- argument_types::Format::Formatter *formatter);
-
-void init_context();
-
-int init(const std::string &pool_name, librados::Rados *rados,
- librados::IoCtx *io_ctx);
-
-int init_io_ctx(librados::Rados &rados, const std::string &pool_name,
- librados::IoCtx *io_ctx);
-
-int open_image(librados::IoCtx &io_ctx, const std::string &image_name,
- bool read_only, librbd::Image *image);
-
-int open_image_by_id(librados::IoCtx &io_ctx, const std::string &image_id,
- bool read_only, librbd::Image *image);
-
-int init_and_open_image(const std::string &pool_name,
- const std::string &image_name,
- const std::string &image_id,
- const std::string &snap_name, bool read_only,
- librados::Rados *rados, librados::IoCtx *io_ctx,
- librbd::Image *image);
-
-int snap_set(librbd::Image &image, const std::string &snap_name);
-
-void calc_sparse_extent(const bufferptr &bp,
- size_t sparse_size,
- size_t buffer_offset,
- uint64_t length,
- size_t *write_length,
- bool *zeroed);
-
-bool check_if_image_spec_present(const boost::program_options::variables_map &vm,
- argument_types::ArgumentModifier mod,
- size_t spec_arg_index);
-
-std::string image_id(librbd::Image& image);
-
-std::string mirror_image_state(librbd::mirror_image_state_t mirror_image_state);
-std::string mirror_image_status_state(librbd::mirror_image_status_state_t state);
-std::string mirror_image_status_state(librbd::mirror_image_status_t status);
-
-std::string timestr(time_t t);
-
-// duplicate here to not include librbd_internal lib
-uint64_t get_rbd_default_features(CephContext* cct);
-
-} // namespace utils
-} // namespace rbd
-
-#endif // CEPH_RBD_UTILS_H
Code Review / stor4nfv.git / blobdiff