--- /dev/null
+#ifndef __LIBRADOS_HPP
+#define __LIBRADOS_HPP
+
+#include <stdbool.h>
+#include <string>
+#include <list>
+#include <map>
+#include <set>
+#include <vector>
+#include <utility>
+#include "memory.h"
+#include "buffer.h"
+
+#include "librados.h"
+#include "rados_types.hpp"
+
+namespace libradosstriper
+{
+ class RadosStriper;
+}
+
+namespace librados
+{
+ using ceph::bufferlist;
+
+ struct AioCompletionImpl;
+ class IoCtx;
+ struct IoCtxImpl;
+ class ObjectOperationImpl;
+ struct ObjListCtx;
+ struct PoolAsyncCompletionImpl;
+ class RadosClient;
+ struct ListObjectImpl;
+ class NObjectIteratorImpl;
+
+ typedef void *list_ctx_t;
+ typedef uint64_t auid_t;
+ typedef void *config_t;
+
+ typedef struct rados_cluster_stat_t cluster_stat_t;
+ typedef struct rados_pool_stat_t pool_stat_t;
+
+ typedef struct {
+ std::string client;
+ std::string cookie;
+ std::string address;
+ } locker_t;
+
+ typedef std::map<std::string, pool_stat_t> stats_map;
+
+ typedef void *completion_t;
+ typedef void (*callback_t)(completion_t cb, void *arg);
+
+ class CEPH_RADOS_API ListObject
+ {
+ public:
+ const std::string& get_nspace() const;
+ const std::string& get_oid() const;
+ const std::string& get_locator() const;
+
+ ListObject();
+ ~ListObject();
+ ListObject( const ListObject&);
+ ListObject& operator=(const ListObject& rhs);
+ private:
+ ListObject(ListObjectImpl *impl);
+
+ friend class NObjectIteratorImpl;
+ friend std::ostream& operator<<(std::ostream& out, const ListObject& lop);
+
+ ListObjectImpl *impl;
+ };
+ CEPH_RADOS_API std::ostream& operator<<(std::ostream& out, const librados::ListObject& lop);
+
+ class CEPH_RADOS_API NObjectIterator;
+
+ class CEPH_RADOS_API ObjectCursor
+ {
+ public:
+ ObjectCursor();
+ ObjectCursor(const ObjectCursor &rhs);
+ explicit ObjectCursor(rados_object_list_cursor c);
+ ~ObjectCursor();
+ ObjectCursor& operator=(const ObjectCursor& rhs);
+ bool operator<(const ObjectCursor &rhs) const;
+ bool operator==(const ObjectCursor &rhs) const;
+ void set(rados_object_list_cursor c);
+
+ friend class IoCtx;
+ friend class NObjectIteratorImpl;
+ friend std::ostream& operator<<(std::ostream& os, const librados::ObjectCursor& oc);
+
+ std::string to_str() const;
+ bool from_str(const std::string& s);
+
+ protected:
+ rados_object_list_cursor c_cursor;
+ };
+ CEPH_RADOS_API std::ostream& operator<<(std::ostream& os, const librados::ObjectCursor& oc);
+
+ class CEPH_RADOS_API NObjectIterator : public std::iterator <std::forward_iterator_tag, ListObject> {
+ public:
+ static const NObjectIterator __EndObjectIterator;
+ NObjectIterator(): impl(NULL) {}
+ ~NObjectIterator();
+ NObjectIterator(const NObjectIterator &rhs);
+ NObjectIterator& operator=(const NObjectIterator& rhs);
+
+ bool operator==(const NObjectIterator& rhs) const;
+ bool operator!=(const NObjectIterator& rhs) const;
+ const ListObject& operator*() const;
+ const ListObject* operator->() const;
+ NObjectIterator &operator++(); // Preincrement
+ NObjectIterator operator++(int); // Postincrement
+ friend class IoCtx;
+ friend class NObjectIteratorImpl;
+
+ /// get current hash position of the iterator, rounded to the current pg
+ uint32_t get_pg_hash_position() const;
+
+ /// move the iterator to a given hash position. this may (will!) be rounded to the nearest pg.
+ uint32_t seek(uint32_t pos);
+
+ /// move the iterator to a given cursor position
+ uint32_t seek(const ObjectCursor& cursor);
+
+ /// get current cursor position
+ ObjectCursor get_cursor();
+
+ /**
+ * Configure PGLS filter to be applied OSD-side (requires caller
+ * to know/understand the format expected by the OSD)
+ */
+ void set_filter(const bufferlist &bl);
+
+ private:
+ NObjectIterator(ObjListCtx *ctx_);
+ void get_next();
+ NObjectIteratorImpl *impl;
+ };
+
+ class CEPH_RADOS_API ObjectItem
+ {
+ public:
+ std::string oid;
+ std::string nspace;
+ std::string locator;
+ };
+
+ /// DEPRECATED; do not use
+ class CEPH_RADOS_API WatchCtx {
+ public:
+ virtual ~WatchCtx();
+ virtual void notify(uint8_t opcode, uint64_t ver, bufferlist& bl) = 0;
+ };
+
+ class CEPH_RADOS_API WatchCtx2 {
+ public:
+ virtual ~WatchCtx2();
+ /**
+ * Callback activated when we receive a notify event.
+ *
+ * @param notify_id unique id for this notify event
+ * @param cookie the watcher we are notifying
+ * @param notifier_id the unique client id of the notifier
+ * @param bl opaque notify payload (from the notifier)
+ */
+ virtual void handle_notify(uint64_t notify_id,
+ uint64_t cookie,
+ uint64_t notifier_id,
+ bufferlist& bl) = 0;
+
+ /**
+ * Callback activated when we encounter an error with the watch.
+ *
+ * Errors we may see:
+ * -ENOTCONN : our watch was disconnected
+ * -ETIMEDOUT : our watch is still valid, but we may have missed
+ * a notify event.
+ *
+ * @param cookie the watcher with the problem
+ * @param err error
+ */
+ virtual void handle_error(uint64_t cookie, int err) = 0;
+ };
+
+ struct CEPH_RADOS_API AioCompletion {
+ AioCompletion(AioCompletionImpl *pc_) : pc(pc_) {}
+ int set_complete_callback(void *cb_arg, callback_t cb);
+ int set_safe_callback(void *cb_arg, callback_t cb);
+ int wait_for_complete();
+ int wait_for_safe();
+ int wait_for_complete_and_cb();
+ int wait_for_safe_and_cb();
+ bool is_complete();
+ bool is_safe();
+ bool is_complete_and_cb();
+ bool is_safe_and_cb();
+ int get_return_value();
+ int get_version() __attribute__ ((deprecated));
+ uint64_t get_version64();
+ void release();
+ AioCompletionImpl *pc;
+ };
+
+ struct CEPH_RADOS_API PoolAsyncCompletion {
+ PoolAsyncCompletion(PoolAsyncCompletionImpl *pc_) : pc(pc_) {}
+ int set_callback(void *cb_arg, callback_t cb);
+ int wait();
+ bool is_complete();
+ int get_return_value();
+ void release();
+ PoolAsyncCompletionImpl *pc;
+ };
+
+ /**
+ * These are per-op flags which may be different among
+ * ops added to an ObjectOperation.
+ */
+ enum ObjectOperationFlags {
+ OP_EXCL = LIBRADOS_OP_FLAG_EXCL,
+ OP_FAILOK = LIBRADOS_OP_FLAG_FAILOK,
+ OP_FADVISE_RANDOM = LIBRADOS_OP_FLAG_FADVISE_RANDOM,
+ OP_FADVISE_SEQUENTIAL = LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL,
+ OP_FADVISE_WILLNEED = LIBRADOS_OP_FLAG_FADVISE_WILLNEED,
+ OP_FADVISE_DONTNEED = LIBRADOS_OP_FLAG_FADVISE_DONTNEED,
+ OP_FADVISE_NOCACHE = LIBRADOS_OP_FLAG_FADVISE_NOCACHE,
+ };
+
+ class CEPH_RADOS_API ObjectOperationCompletion {
+ public:
+ virtual ~ObjectOperationCompletion() {}
+ virtual void handle_completion(int r, bufferlist& outbl) = 0;
+ };
+
+ /**
+ * These flags apply to the ObjectOperation as a whole.
+ *
+ * BALANCE_READS and LOCALIZE_READS should only be used
+ * when reading from data you're certain won't change,
+ * like a snapshot, or where eventual consistency is ok.
+ *
+ * ORDER_READS_WRITES will order reads the same way writes are
+ * ordered (e.g., waiting for degraded objects). In particular, it
+ * will make a write followed by a read sequence be preserved.
+ *
+ * IGNORE_CACHE will skip the caching logic on the OSD that normally
+ * handles promotion of objects between tiers. This allows an operation
+ * to operate (or read) the cached (or uncached) object, even if it is
+ * not coherent.
+ *
+ * IGNORE_OVERLAY will ignore the pool overlay tiering metadata and
+ * process the op directly on the destination pool. This is useful
+ * for CACHE_FLUSH and CACHE_EVICT operations.
+ */
+ enum ObjectOperationGlobalFlags {
+ OPERATION_NOFLAG = LIBRADOS_OPERATION_NOFLAG,
+ OPERATION_BALANCE_READS = LIBRADOS_OPERATION_BALANCE_READS,
+ OPERATION_LOCALIZE_READS = LIBRADOS_OPERATION_LOCALIZE_READS,
+ OPERATION_ORDER_READS_WRITES = LIBRADOS_OPERATION_ORDER_READS_WRITES,
+ OPERATION_IGNORE_CACHE = LIBRADOS_OPERATION_IGNORE_CACHE,
+ OPERATION_SKIPRWLOCKS = LIBRADOS_OPERATION_SKIPRWLOCKS,
+ OPERATION_IGNORE_OVERLAY = LIBRADOS_OPERATION_IGNORE_OVERLAY,
+ // send requests to cluster despite the cluster or pool being
+ // marked full; ops will either succeed (e.g., delete) or return
+ // EDQUOT or ENOSPC
+ OPERATION_FULL_TRY = LIBRADOS_OPERATION_FULL_TRY,
+ //mainly for delete
+ OPERATION_FULL_FORCE = LIBRADOS_OPERATION_FULL_FORCE,
+ OPERATION_IGNORE_REDIRECT = LIBRADOS_OPERATION_IGNORE_REDIRECT,
+ };
+
+ /*
+ * Alloc hint flags for the alloc_hint operation.
+ */
+ enum AllocHintFlags {
+ ALLOC_HINT_FLAG_SEQUENTIAL_WRITE = 1,
+ ALLOC_HINT_FLAG_RANDOM_WRITE = 2,
+ ALLOC_HINT_FLAG_SEQUENTIAL_READ = 4,
+ ALLOC_HINT_FLAG_RANDOM_READ = 8,
+ ALLOC_HINT_FLAG_APPEND_ONLY = 16,
+ ALLOC_HINT_FLAG_IMMUTABLE = 32,
+ ALLOC_HINT_FLAG_SHORTLIVED = 64,
+ ALLOC_HINT_FLAG_LONGLIVED = 128,
+ ALLOC_HINT_FLAG_COMPRESSIBLE = 256,
+ ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512,
+ };
+
+ /*
+ * ObjectOperation : compound object operation
+ * Batch multiple object operations into a single request, to be applied
+ * atomically.
+ */
+ class CEPH_RADOS_API ObjectOperation
+ {
+ public:
+ ObjectOperation();
+ virtual ~ObjectOperation();
+
+ size_t size();
+ void set_op_flags(ObjectOperationFlags flags) __attribute__((deprecated));
+ //flag mean ObjectOperationFlags
+ void set_op_flags2(int flags);
+
+ void cmpext(uint64_t off, bufferlist& cmp_bl, int *prval);
+ void cmpxattr(const char *name, uint8_t op, const bufferlist& val);
+ void cmpxattr(const char *name, uint8_t op, uint64_t v);
+ void exec(const char *cls, const char *method, bufferlist& inbl);
+ void exec(const char *cls, const char *method, bufferlist& inbl, bufferlist *obl, int *prval);
+ void exec(const char *cls, const char *method, bufferlist& inbl, ObjectOperationCompletion *completion);
+ /**
+ * Guard operation with a check that object version == ver
+ *
+ * @param ver [in] version to check
+ */
+ void assert_version(uint64_t ver);
+
+ /**
+ * Guard operatation with a check that the object already exists
+ */
+ void assert_exists();
+
+ /**
+ * get key/value pairs for specified keys
+ *
+ * @param assertions [in] comparison assertions
+ * @param prval [out] place error code in prval upon completion
+ *
+ * assertions has the form of mappings from keys to (comparison rval, assertion)
+ * The assertion field may be CEPH_OSD_CMPXATTR_OP_[GT|LT|EQ].
+ *
+ * That is, to assert that the value at key 'foo' is greater than 'bar':
+ *
+ * ObjectReadOperation op;
+ * int r;
+ * map<string, pair<bufferlist, int> > assertions;
+ * bufferlist bar(string('bar'));
+ * assertions['foo'] = make_pair(bar, CEPH_OSD_CMP_XATTR_OP_GT);
+ * op.omap_cmp(assertions, &r);
+ */
+ void omap_cmp(
+ const std::map<std::string, std::pair<bufferlist, int> > &assertions,
+ int *prval);
+
+ protected:
+ ObjectOperationImpl *impl;
+ ObjectOperation(const ObjectOperation& rhs);
+ ObjectOperation& operator=(const ObjectOperation& rhs);
+ friend class IoCtx;
+ friend class Rados;
+ };
+
+ /*
+ * ObjectWriteOperation : compound object write operation
+ * Batch multiple object operations into a single request, to be applied
+ * atomically.
+ */
+ class CEPH_RADOS_API ObjectWriteOperation : public ObjectOperation
+ {
+ protected:
+ time_t *unused;
+ public:
+ ObjectWriteOperation() : unused(NULL) {}
+ ~ObjectWriteOperation() override {}
+
+ void mtime(time_t *pt);
+ void mtime2(struct timespec *pts);
+
+ void create(bool exclusive);
+ void create(bool exclusive,
+ const std::string& category); ///< NOTE: category is unused
+
+ void write(uint64_t off, const bufferlist& bl);
+ void write_full(const bufferlist& bl);
+ void writesame(uint64_t off, uint64_t write_len,
+ const bufferlist& bl);
+ void append(const bufferlist& bl);
+ void remove();
+ void truncate(uint64_t off);
+ void zero(uint64_t off, uint64_t len);
+ void rmxattr(const char *name);
+ void setxattr(const char *name, const bufferlist& bl);
+ void tmap_update(const bufferlist& cmdbl);
+ void tmap_put(const bufferlist& bl);
+ void selfmanaged_snap_rollback(uint64_t snapid);
+
+ /**
+ * Rollback an object to the specified snapshot id
+ *
+ * Used with pool snapshots
+ *
+ * @param snapid [in] snopshot id specified
+ */
+ void snap_rollback(uint64_t snapid);
+
+ /**
+ * set keys and values according to map
+ *
+ * @param map [in] keys and values to set
+ */
+ void omap_set(const std::map<std::string, bufferlist> &map);
+
+ /**
+ * set header
+ *
+ * @param bl [in] header to set
+ */
+ void omap_set_header(const bufferlist &bl);
+
+ /**
+ * Clears omap contents
+ */
+ void omap_clear();
+
+ /**
+ * Clears keys in to_rm
+ *
+ * @param to_rm [in] keys to remove
+ */
+ void omap_rm_keys(const std::set<std::string> &to_rm);
+
+ /**
+ * Copy an object
+ *
+ * Copies an object from another location. The operation is atomic in that
+ * the copy either succeeds in its entirety or fails (e.g., because the
+ * source object was modified while the copy was in progress).
+ *
+ * @param src source object name
+ * @param src_ioctx ioctx for the source object
+ * @param src_version current version of the source object
+ * @param src_fadvise_flags the fadvise flags for source object
+ */
+ void copy_from(const std::string& src, const IoCtx& src_ioctx,
+ uint64_t src_version);
+ void copy_from2(const std::string& src, const IoCtx& src_ioctx,
+ uint64_t src_version, uint32_t src_fadvise_flags);
+
+ /**
+ * undirty an object
+ *
+ * Clear an objects dirty flag
+ */
+ void undirty();
+
+ /**
+ * Set allocation hint for an object
+ *
+ * @param expected_object_size expected size of the object, in bytes
+ * @param expected_write_size expected size of writes to the object, in bytes
+ * @param flags flags ()
+ */
+ void set_alloc_hint(uint64_t expected_object_size,
+ uint64_t expected_write_size);
+ void set_alloc_hint2(uint64_t expected_object_size,
+ uint64_t expected_write_size,
+ uint32_t flags);
+
+ /**
+ * Pin/unpin an object in cache tier
+ *
+ * @returns 0 on success, negative error code on failure
+ */
+ void cache_pin();
+ void cache_unpin();
+
+ /**
+ * Extensible tier
+ *
+ * Set redirect target
+ */
+ void set_redirect(const std::string& tgt_obj, const IoCtx& tgt_ioctx,
+ uint64_t tgt_version);
+
+ friend class IoCtx;
+ };
+
+ /*
+ * ObjectReadOperation : compound object operation that return value
+ * Batch multiple object operations into a single request, to be applied
+ * atomically.
+ */
+ class CEPH_RADOS_API ObjectReadOperation : public ObjectOperation
+ {
+ public:
+ ObjectReadOperation() {}
+ ~ObjectReadOperation() override {}
+
+ void stat(uint64_t *psize, time_t *pmtime, int *prval);
+ void stat2(uint64_t *psize, struct timespec *pts, int *prval);
+ void getxattr(const char *name, bufferlist *pbl, int *prval);
+ void getxattrs(std::map<std::string, bufferlist> *pattrs, int *prval);
+ void read(size_t off, uint64_t len, bufferlist *pbl, int *prval);
+ void checksum(rados_checksum_type_t type, const bufferlist &init_value_bl,
+ uint64_t off, size_t len, size_t chunk_size, bufferlist *pbl,
+ int *prval);
+
+ /**
+ * see aio_sparse_read()
+ */
+ void sparse_read(uint64_t off, uint64_t len, std::map<uint64_t,uint64_t> *m,
+ bufferlist *data_bl, int *prval);
+ void tmap_get(bufferlist *pbl, int *prval);
+
+ /**
+ * omap_get_vals: keys and values from the object omap
+ *
+ * Get up to max_return keys and values beginning after start_after
+ *
+ * @param start_after [in] list no keys smaller than start_after
+ * @param max_return [in] list no more than max_return key/value pairs
+ * @param out_vals [out] place returned values in out_vals on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_vals(
+ const std::string &start_after,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ int *prval) __attribute__ ((deprecated)); // use v2
+
+ /**
+ * omap_get_vals: keys and values from the object omap
+ *
+ * Get up to max_return keys and values beginning after start_after
+ *
+ * @param start_after [in] list no keys smaller than start_after
+ * @param max_return [in] list no more than max_return key/value pairs
+ * @param out_vals [out] place returned values in out_vals on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_vals2(
+ const std::string &start_after,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ bool *pmore,
+ int *prval);
+
+ /**
+ * omap_get_vals: keys and values from the object omap
+ *
+ * Get up to max_return keys and values beginning after start_after
+ *
+ * @param start_after [in] list keys starting after start_after
+ * @param filter_prefix [in] list only keys beginning with filter_prefix
+ * @param max_return [in] list no more than max_return key/value pairs
+ * @param out_vals [out] place returned values in out_vals on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_vals(
+ const std::string &start_after,
+ const std::string &filter_prefix,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ int *prval) __attribute__ ((deprecated)); // use v2
+
+ /**
+ * omap_get_vals2: keys and values from the object omap
+ *
+ * Get up to max_return keys and values beginning after start_after
+ *
+ * @param start_after [in] list keys starting after start_after
+ * @param filter_prefix [in] list only keys beginning with filter_prefix
+ * @param max_return [in] list no more than max_return key/value pairs
+ * @param out_vals [out] place returned values in out_vals on completion
+ * @param pmore [out] pointer to bool indicating whether there are more keys
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_vals2(
+ const std::string &start_after,
+ const std::string &filter_prefix,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ bool *pmore,
+ int *prval);
+
+
+ /**
+ * omap_get_keys: keys from the object omap
+ *
+ * Get up to max_return keys beginning after start_after
+ *
+ * @param start_after [in] list keys starting after start_after
+ * @param max_return [in] list no more than max_return keys
+ * @param out_keys [out] place returned values in out_keys on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_keys(const std::string &start_after,
+ uint64_t max_return,
+ std::set<std::string> *out_keys,
+ int *prval) __attribute__ ((deprecated)); // use v2
+
+ /**
+ * omap_get_keys2: keys from the object omap
+ *
+ * Get up to max_return keys beginning after start_after
+ *
+ * @param start_after [in] list keys starting after start_after
+ * @param max_return [in] list no more than max_return keys
+ * @param out_keys [out] place returned values in out_keys on completion
+ * @param pmore [out] pointer to bool indicating whether there are more keys
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_keys2(const std::string &start_after,
+ uint64_t max_return,
+ std::set<std::string> *out_keys,
+ bool *pmore,
+ int *prval);
+
+ /**
+ * omap_get_header: get header from object omap
+ *
+ * @param header [out] place header here upon completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_header(bufferlist *header, int *prval);
+
+ /**
+ * get key/value pairs for specified keys
+ *
+ * @param keys [in] keys to get
+ * @param map [out] place key/value pairs found here on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void omap_get_vals_by_keys(const std::set<std::string> &keys,
+ std::map<std::string, bufferlist> *map,
+ int *prval);
+
+ /**
+ * list_watchers: Get list watchers of object
+ *
+ * @param out_watchers [out] place returned values in out_watchers on completion
+ * @param prval [out] place error code in prval upon completion
+ */
+ void list_watchers(std::list<obj_watch_t> *out_watchers, int *prval);
+
+ /**
+ * list snapshot clones associated with a logical object
+ *
+ * This will include a record for each version of the object,
+ * include the "HEAD" (which will have a cloneid of SNAP_HEAD).
+ * Each clone includes a vector of snap ids for which it is
+ * defined to exist.
+ *
+ * NOTE: this operation must be submitted from an IoCtx with a
+ * read snapid of SNAP_DIR for reliable results.
+ *
+ * @param out_snaps [out] pointer to resulting snap_set_t
+ * @param prval [out] place error code in prval upon completion
+ */
+ void list_snaps(snap_set_t *out_snaps, int *prval);
+
+ /**
+ * query dirty state of an object
+ *
+ * @param isdirty [out] pointer to resulting bool
+ * @param prval [out] place error code in prval upon completion
+ */
+ void is_dirty(bool *isdirty, int *prval);
+
+ /**
+ * flush a cache tier object to backing tier; will block racing
+ * updates.
+ *
+ * This should be used in concert with OPERATION_IGNORE_CACHE to avoid
+ * triggering a promotion.
+ */
+ void cache_flush();
+
+ /**
+ * Flush a cache tier object to backing tier; will EAGAIN if we race
+ * with an update. Must be used with the SKIPRWLOCKS flag.
+ *
+ * This should be used in concert with OPERATION_IGNORE_CACHE to avoid
+ * triggering a promotion.
+ */
+ void cache_try_flush();
+
+ /**
+ * evict a clean cache tier object
+ *
+ * This should be used in concert with OPERATION_IGNORE_CACHE to avoid
+ * triggering a promote on the OSD (that is then evicted).
+ */
+ void cache_evict();
+ };
+
+ /* IoCtx : This is a context in which we can perform I/O.
+ * It includes a Pool,
+ *
+ * Typical use (error checking omitted):
+ *
+ * IoCtx p;
+ * rados.ioctx_create("my_pool", p);
+ * p->stat(&stats);
+ * ... etc ...
+ *
+ * NOTE: be sure to call watch_flush() prior to destroying any IoCtx
+ * that is used for watch events to ensure that racing callbacks
+ * have completed.
+ */
+ class CEPH_RADOS_API IoCtx
+ {
+ public:
+ IoCtx();
+ static void from_rados_ioctx_t(rados_ioctx_t p, IoCtx &pool);
+ IoCtx(const IoCtx& rhs);
+ IoCtx& operator=(const IoCtx& rhs);
+
+ ~IoCtx();
+
+ // Close our pool handle
+ void close();
+
+ // deep copy
+ void dup(const IoCtx& rhs);
+
+ // set pool auid
+ int set_auid(uint64_t auid_);
+
+ // set pool auid
+ int set_auid_async(uint64_t auid_, PoolAsyncCompletion *c);
+
+ // get pool auid
+ int get_auid(uint64_t *auid_);
+
+ uint64_t get_instance_id() const;
+
+ std::string get_pool_name();
+
+ bool pool_requires_alignment();
+ int pool_requires_alignment2(bool * requires);
+ uint64_t pool_required_alignment();
+ int pool_required_alignment2(uint64_t * alignment);
+
+ // create an object
+ int create(const std::string& oid, bool exclusive);
+ int create(const std::string& oid, bool exclusive,
+ const std::string& category); ///< category is unused
+
+ /**
+ * write bytes to an object at a specified offset
+ *
+ * NOTE: this call steals the contents of @param bl.
+ */
+ int write(const std::string& oid, bufferlist& bl, size_t len, uint64_t off);
+ /**
+ * append bytes to an object
+ *
+ * NOTE: this call steals the contents of @param bl.
+ */
+ int append(const std::string& oid, bufferlist& bl, size_t len);
+ /**
+ * replace object contents with provided data
+ *
+ * NOTE: this call steals the contents of @param bl.
+ */
+ int write_full(const std::string& oid, bufferlist& bl);
+ int writesame(const std::string& oid, bufferlist& bl,
+ size_t write_len, uint64_t off);
+ int read(const std::string& oid, bufferlist& bl, size_t len, uint64_t off);
+ int checksum(const std::string& o, rados_checksum_type_t type,
+ const bufferlist &init_value_bl, size_t len, uint64_t off,
+ size_t chunk_size, bufferlist *pbl);
+ int remove(const std::string& oid);
+ int remove(const std::string& oid, int flags);
+ int trunc(const std::string& oid, uint64_t size);
+ int mapext(const std::string& o, uint64_t off, size_t len, std::map<uint64_t,uint64_t>& m);
+ int cmpext(const std::string& o, uint64_t off, bufferlist& cmp_bl);
+ int sparse_read(const std::string& o, std::map<uint64_t,uint64_t>& m, bufferlist& bl, size_t len, uint64_t off);
+ int getxattr(const std::string& oid, const char *name, bufferlist& bl);
+ int getxattrs(const std::string& oid, std::map<std::string, bufferlist>& attrset);
+ int setxattr(const std::string& oid, const char *name, bufferlist& bl);
+ int rmxattr(const std::string& oid, const char *name);
+ int stat(const std::string& oid, uint64_t *psize, time_t *pmtime);
+ int stat2(const std::string& oid, uint64_t *psize, struct timespec *pts);
+ int exec(const std::string& oid, const char *cls, const char *method,
+ bufferlist& inbl, bufferlist& outbl);
+ /**
+ * modify object tmap based on encoded update sequence
+ *
+ * NOTE: this call steals the contents of @param bl
+ */
+ int tmap_update(const std::string& oid, bufferlist& cmdbl);
+ /**
+ * replace object contents with provided encoded tmap data
+ *
+ * NOTE: this call steals the contents of @param bl
+ */
+ int tmap_put(const std::string& oid, bufferlist& bl);
+ int tmap_get(const std::string& oid, bufferlist& bl);
+ int tmap_to_omap(const std::string& oid, bool nullok=false);
+
+ int omap_get_vals(const std::string& oid,
+ const std::string& start_after,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals);
+ int omap_get_vals2(const std::string& oid,
+ const std::string& start_after,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ bool *pmore);
+ int omap_get_vals(const std::string& oid,
+ const std::string& start_after,
+ const std::string& filter_prefix,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals);
+ int omap_get_vals2(const std::string& oid,
+ const std::string& start_after,
+ const std::string& filter_prefix,
+ uint64_t max_return,
+ std::map<std::string, bufferlist> *out_vals,
+ bool *pmore);
+ int omap_get_keys(const std::string& oid,
+ const std::string& start_after,
+ uint64_t max_return,
+ std::set<std::string> *out_keys);
+ int omap_get_keys2(const std::string& oid,
+ const std::string& start_after,
+ uint64_t max_return,
+ std::set<std::string> *out_keys,
+ bool *pmore);
+ int omap_get_header(const std::string& oid,
+ bufferlist *bl);
+ int omap_get_vals_by_keys(const std::string& oid,
+ const std::set<std::string>& keys,
+ std::map<std::string, bufferlist> *vals);
+ int omap_set(const std::string& oid,
+ const std::map<std::string, bufferlist>& map);
+ int omap_set_header(const std::string& oid,
+ const bufferlist& bl);
+ int omap_clear(const std::string& oid);
+ int omap_rm_keys(const std::string& oid,
+ const std::set<std::string>& keys);
+
+ void snap_set_read(snap_t seq);
+ int selfmanaged_snap_set_write_ctx(snap_t seq, std::vector<snap_t>& snaps);
+
+ // Create a snapshot with a given name
+ int snap_create(const char *snapname);
+
+ // Look up a snapshot by name.
+ // Returns 0 on success; error code otherwise
+ int snap_lookup(const char *snapname, snap_t *snap);
+
+ // Gets a timestamp for a snap
+ int snap_get_stamp(snap_t snapid, time_t *t);
+
+ // Gets the name of a snap
+ int snap_get_name(snap_t snapid, std::string *s);
+
+ // Remove a snapshot from this pool
+ int snap_remove(const char *snapname);
+
+ int snap_list(std::vector<snap_t> *snaps);
+
+ int snap_rollback(const std::string& oid, const char *snapname);
+
+ // Deprecated name kept for backward compatibility - same as snap_rollback()
+ int rollback(const std::string& oid, const char *snapname)
+ __attribute__ ((deprecated));
+
+ int selfmanaged_snap_create(uint64_t *snapid);
+ void aio_selfmanaged_snap_create(uint64_t *snapid, AioCompletion *c);
+
+ int selfmanaged_snap_remove(uint64_t snapid);
+ void aio_selfmanaged_snap_remove(uint64_t snapid, AioCompletion *c);
+
+ int selfmanaged_snap_rollback(const std::string& oid, uint64_t snapid);
+
+ // Advisory locking on rados objects.
+ int lock_exclusive(const std::string &oid, const std::string &name,
+ const std::string &cookie,
+ const std::string &description,
+ struct timeval * duration, uint8_t flags);
+
+ int lock_shared(const std::string &oid, const std::string &name,
+ const std::string &cookie, const std::string &tag,
+ const std::string &description,
+ struct timeval * duration, uint8_t flags);
+
+ int unlock(const std::string &oid, const std::string &name,
+ const std::string &cookie);
+
+ int break_lock(const std::string &oid, const std::string &name,
+ const std::string &client, const std::string &cookie);
+
+ int list_lockers(const std::string &oid, const std::string &name,
+ int *exclusive,
+ std::string *tag,
+ std::list<librados::locker_t> *lockers);
+
+
+ /// Start enumerating objects for a pool
+ NObjectIterator nobjects_begin();
+ NObjectIterator nobjects_begin(const bufferlist &filter);
+ /// Start enumerating objects for a pool starting from a hash position
+ NObjectIterator nobjects_begin(uint32_t start_hash_position);
+ NObjectIterator nobjects_begin(uint32_t start_hash_position,
+ const bufferlist &filter);
+ /// Start enumerating objects for a pool starting from cursor
+ NObjectIterator nobjects_begin(const librados::ObjectCursor& cursor);
+ NObjectIterator nobjects_begin(const librados::ObjectCursor& cursor,
+ const bufferlist &filter);
+ /// Iterator indicating the end of a pool
+ const NObjectIterator& nobjects_end() const;
+
+ /// Get cursor for pool beginning
+ ObjectCursor object_list_begin();
+
+ /// Get cursor for pool end
+ ObjectCursor object_list_end();
+
+ /// Check whether a cursor is at the end of a pool
+ bool object_list_is_end(const ObjectCursor &oc);
+
+ /// List some objects between two cursors
+ int object_list(const ObjectCursor &start, const ObjectCursor &finish,
+ const size_t result_count,
+ const bufferlist &filter,
+ std::vector<ObjectItem> *result,
+ ObjectCursor *next);
+
+ /// Generate cursors that include the N out of Mth slice of the pool
+ void object_list_slice(
+ const ObjectCursor start,
+ const ObjectCursor finish,
+ const size_t n,
+ const size_t m,
+ ObjectCursor *split_start,
+ ObjectCursor *split_finish);
+
+ /**
+ * List available hit set objects
+ *
+ * @param uint32_t [in] hash position to query
+ * @param c [in] completion
+ * @param pls [out] list of available intervals
+ */
+ int hit_set_list(uint32_t hash, AioCompletion *c,
+ std::list< std::pair<time_t, time_t> > *pls);
+
+ /**
+ * Retrieve hit set for a given hash, and time
+ *
+ * @param hash [in] hash position
+ * @param c [in] completion
+ * @param stamp [in] time interval that falls within the hit set's interval
+ * @param pbl [out] buffer to store the result in
+ */
+ int hit_set_get(uint32_t hash, AioCompletion *c, time_t stamp,
+ bufferlist *pbl);
+
+ uint64_t get_last_version();
+
+ int aio_read(const std::string& oid, AioCompletion *c,
+ bufferlist *pbl, size_t len, uint64_t off);
+ /**
+ * Asynchronously read from an object at a particular snapshot
+ *
+ * This is the same as normal aio_read, except that it chooses
+ * the snapshot to read from from its arguments instead of the
+ * internal IoCtx state.
+ *
+ * The return value of the completion will be number of bytes read on
+ * success, negative error code on failure.
+ *
+ * @param oid the name of the object to read from
+ * @param c what to do when the read is complete
+ * @param pbl where to store the results
+ * @param len the number of bytes to read
+ * @param off the offset to start reading from in the object
+ * @param snapid the id of the snapshot to read from
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_read(const std::string& oid, AioCompletion *c,
+ bufferlist *pbl, size_t len, uint64_t off, uint64_t snapid);
+ int aio_sparse_read(const std::string& oid, AioCompletion *c,
+ std::map<uint64_t,uint64_t> *m, bufferlist *data_bl,
+ size_t len, uint64_t off);
+ /**
+ * Asynchronously read existing extents from an object at a
+ * particular snapshot
+ *
+ * This is the same as normal aio_sparse_read, except that it chooses
+ * the snapshot to read from from its arguments instead of the
+ * internal IoCtx state.
+ *
+ * m will be filled in with a map of extents in the object,
+ * mapping offsets to lengths (in bytes) within the range
+ * requested. The data for all of the extents are stored
+ * back-to-back in offset order in data_bl.
+ *
+ * @param oid the name of the object to read from
+ * @param c what to do when the read is complete
+ * @param m where to store the map of extents
+ * @param data_bl where to store the data
+ * @param len the number of bytes to read
+ * @param off the offset to start reading from in the object
+ * @param snapid the id of the snapshot to read from
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_sparse_read(const std::string& oid, AioCompletion *c,
+ std::map<uint64_t,uint64_t> *m, bufferlist *data_bl,
+ size_t len, uint64_t off, uint64_t snapid);
+ /**
+ * Asynchronously compare an on-disk object range with a buffer
+ *
+ * @param oid the name of the object to read from
+ * @param c what to do when the read is complete
+ * @param off object byte offset at which to start the comparison
+ * @param cmp_bl buffer containing bytes to be compared with object contents
+ * @returns 0 on success, negative error code on failure,
+ * (-MAX_ERRNO - mismatch_off) on mismatch
+ */
+ int aio_cmpext(const std::string& oid,
+ librados::AioCompletion *c,
+ uint64_t off,
+ bufferlist& cmp_bl);
+ int aio_write(const std::string& oid, AioCompletion *c, const bufferlist& bl,
+ size_t len, uint64_t off);
+ int aio_append(const std::string& oid, AioCompletion *c, const bufferlist& bl,
+ size_t len);
+ int aio_write_full(const std::string& oid, AioCompletion *c, const bufferlist& bl);
+ int aio_writesame(const std::string& oid, AioCompletion *c, const bufferlist& bl,
+ size_t write_len, uint64_t off);
+
+ /**
+ * Asychronously remove an object
+ *
+ * Queues the remove and returns.
+ *
+ * The return value of the completion will be 0 on success, negative
+ * error code on failure.
+ *
+ * @param oid the name of the object
+ * @param c what to do when the remove is safe and complete
+ * @returns 0 on success, -EROFS if the io context specifies a snap_seq
+ * other than SNAP_HEAD
+ */
+ int aio_remove(const std::string& oid, AioCompletion *c);
+ int aio_remove(const std::string& oid, AioCompletion *c, int flags);
+
+ /**
+ * Wait for all currently pending aio writes to be safe.
+ *
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_flush();
+
+ /**
+ * Schedule a callback for when all currently pending
+ * aio writes are safe. This is a non-blocking version of
+ * aio_flush().
+ *
+ * @param c what to do when the writes are safe
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_flush_async(AioCompletion *c);
+ int aio_getxattr(const std::string& oid, AioCompletion *c, const char *name, bufferlist& bl);
+ int aio_getxattrs(const std::string& oid, AioCompletion *c, std::map<std::string, bufferlist>& attrset);
+ int aio_setxattr(const std::string& oid, AioCompletion *c, const char *name, bufferlist& bl);
+ int aio_rmxattr(const std::string& oid, AioCompletion *c, const char *name);
+ int aio_stat(const std::string& oid, AioCompletion *c, uint64_t *psize, time_t *pmtime);
+ int aio_stat2(const std::string& oid, AioCompletion *c, uint64_t *psize, struct timespec *pts);
+
+ /**
+ * Cancel aio operation
+ *
+ * @param c completion handle
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_cancel(AioCompletion *c);
+
+ int aio_exec(const std::string& oid, AioCompletion *c, const char *cls, const char *method,
+ bufferlist& inbl, bufferlist *outbl);
+
+ /*
+ * asynchronous version of unlock
+ */
+ int aio_unlock(const std::string &oid, const std::string &name,
+ const std::string &cookie, AioCompletion *c);
+
+ // compound object operations
+ int operate(const std::string& oid, ObjectWriteOperation *op);
+ int operate(const std::string& oid, ObjectReadOperation *op, bufferlist *pbl);
+ int aio_operate(const std::string& oid, AioCompletion *c, ObjectWriteOperation *op);
+ int aio_operate(const std::string& oid, AioCompletion *c, ObjectWriteOperation *op, int flags);
+ /**
+ * Schedule an async write operation with explicit snapshot parameters
+ *
+ * This is the same as the first aio_operate(), except that it
+ * gets the snapshot context from its arguments instead of the
+ * IoCtx internal state.
+ *
+ * @param oid the object to operate on
+ * @param c what to do when the operation is complete and safe
+ * @param op which operations to perform
+ * @param seq latest selfmanaged snapshot sequence number for this object
+ * @param snaps currently existing selfmanaged snapshot ids for this object
+ * @returns 0 on success, negative error code on failure
+ */
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectWriteOperation *op, snap_t seq,
+ std::vector<snap_t>& snaps);
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectWriteOperation *op, snap_t seq,
+ std::vector<snap_t>& snaps,
+ const blkin_trace_info *trace_info);
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectReadOperation *op, bufferlist *pbl);
+
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectReadOperation *op, snap_t snapid, int flags,
+ bufferlist *pbl)
+ __attribute__ ((deprecated));
+
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectReadOperation *op, int flags,
+ bufferlist *pbl);
+ int aio_operate(const std::string& oid, AioCompletion *c,
+ ObjectReadOperation *op, int flags,
+ bufferlist *pbl, const blkin_trace_info *trace_info);
+
+ // watch/notify
+ int watch2(const std::string& o, uint64_t *handle,
+ librados::WatchCtx2 *ctx);
+ int watch3(const std::string& o, uint64_t *handle,
+ librados::WatchCtx2 *ctx, uint32_t timeout);
+ int aio_watch(const std::string& o, AioCompletion *c, uint64_t *handle,
+ librados::WatchCtx2 *ctx);
+ int aio_watch2(const std::string& o, AioCompletion *c, uint64_t *handle,
+ librados::WatchCtx2 *ctx, uint32_t timeout);
+ int unwatch2(uint64_t handle);
+ int aio_unwatch(uint64_t handle, AioCompletion *c);
+ /**
+ * Send a notify event ot watchers
+ *
+ * Upon completion the pbl bufferlist reply payload will be
+ * encoded like so:
+ *
+ * le32 num_acks
+ * {
+ * le64 gid global id for the client (for client.1234 that's 1234)
+ * le64 cookie cookie for the client
+ * le32 buflen length of reply message buffer
+ * u8 * buflen payload
+ * } * num_acks
+ * le32 num_timeouts
+ * {
+ * le64 gid global id for the client
+ * le64 cookie cookie for the client
+ * } * num_timeouts
+ *
+ *
+ */
+ int notify2(const std::string& o, ///< object
+ bufferlist& bl, ///< optional broadcast payload
+ uint64_t timeout_ms, ///< timeout (in ms)
+ bufferlist *pbl); ///< reply buffer
+ int aio_notify(const std::string& o, ///< object
+ AioCompletion *c, ///< completion when notify completes
+ bufferlist& bl, ///< optional broadcast payload
+ uint64_t timeout_ms, ///< timeout (in ms)
+ bufferlist *pbl); ///< reply buffer
+
+ int list_watchers(const std::string& o, std::list<obj_watch_t> *out_watchers);
+ int list_snaps(const std::string& o, snap_set_t *out_snaps);
+ void set_notify_timeout(uint32_t timeout);
+
+ /// acknowledge a notify we received.
+ void notify_ack(const std::string& o, ///< watched object
+ uint64_t notify_id, ///< notify id
+ uint64_t cookie, ///< our watch handle
+ bufferlist& bl); ///< optional reply payload
+
+ /***
+ * check on watch validity
+ *
+ * Check if a watch is valid. If so, return the number of
+ * milliseconds since we last confirmed its liveness. If there is
+ * a known error, return it.
+ *
+ * If there is an error, the watch is no longer valid, and should
+ * be destroyed with unwatch(). The the user is still interested
+ * in the object, a new watch should be created with watch().
+ *
+ * @param cookie watch handle
+ * @returns ms since last confirmed valid, or error
+ */
+ int watch_check(uint64_t cookie);
+
+ // old, deprecated versions
+ int watch(const std::string& o, uint64_t ver, uint64_t *cookie,
+ librados::WatchCtx *ctx) __attribute__ ((deprecated));
+ int notify(const std::string& o, uint64_t ver, bufferlist& bl)
+ __attribute__ ((deprecated));
+ int unwatch(const std::string& o, uint64_t cookie)
+ __attribute__ ((deprecated));
+
+ /**
+ * Set allocation hint for an object
+ *
+ * This is an advisory operation, it will always succeed (as if it
+ * was submitted with a OP_FAILOK flag set) and is not guaranteed
+ * to do anything on the backend.
+ *
+ * @param o the name of the object
+ * @param expected_object_size expected size of the object, in bytes
+ * @param expected_write_size expected size of writes to the object, in bytes
+ * @returns 0 on success, negative error code on failure
+ */
+ int set_alloc_hint(const std::string& o,
+ uint64_t expected_object_size,
+ uint64_t expected_write_size);
+ int set_alloc_hint2(const std::string& o,
+ uint64_t expected_object_size,
+ uint64_t expected_write_size,
+ uint32_t flags);
+
+ // assert version for next sync operations
+ void set_assert_version(uint64_t ver);
+
+ /**
+ * Pin/unpin an object in cache tier
+ *
+ * @param o the name of the object
+ * @returns 0 on success, negative error code on failure
+ */
+ int cache_pin(const std::string& o);
+ int cache_unpin(const std::string& o);
+
+ std::string get_pool_name() const;
+
+ void locator_set_key(const std::string& key);
+ void set_namespace(const std::string& nspace);
+
+ int64_t get_id();
+
+ // deprecated versions
+ uint32_t get_object_hash_position(const std::string& oid)
+ __attribute__ ((deprecated));
+ uint32_t get_object_pg_hash_position(const std::string& oid)
+ __attribute__ ((deprecated));
+
+ int get_object_hash_position2(const std::string& oid, uint32_t *hash_position);
+ int get_object_pg_hash_position2(const std::string& oid, uint32_t *pg_hash_position);
+
+ config_t cct();
+
+ void set_osdmap_full_try();
+ void unset_osdmap_full_try();
+
+ int application_enable(const std::string& app_name, bool force);
+ int application_enable_async(const std::string& app_name,
+ bool force, PoolAsyncCompletion *c);
+ int application_list(std::set<std::string> *app_names);
+ int application_metadata_get(const std::string& app_name,
+ const std::string &key,
+ std::string *value);
+ int application_metadata_set(const std::string& app_name,
+ const std::string &key,
+ const std::string& value);
+ int application_metadata_remove(const std::string& app_name,
+ const std::string &key);
+ int application_metadata_list(const std::string& app_name,
+ std::map<std::string, std::string> *values);
+
+ private:
+ /* You can only get IoCtx instances from Rados */
+ IoCtx(IoCtxImpl *io_ctx_impl_);
+
+ friend class Rados; // Only Rados can use our private constructor to create IoCtxes.
+ friend class libradosstriper::RadosStriper; // Striper needs to see our IoCtxImpl
+ friend class ObjectWriteOperation; // copy_from needs to see our IoCtxImpl
+
+ IoCtxImpl *io_ctx_impl;
+ };
+
+ struct PlacementGroupImpl;
+ struct CEPH_RADOS_API PlacementGroup {
+ PlacementGroup();
+ PlacementGroup(const PlacementGroup&);
+ ~PlacementGroup();
+ bool parse(const char*);
+ std::unique_ptr<PlacementGroupImpl> impl;
+ };
+
+ CEPH_RADOS_API std::ostream& operator<<(std::ostream&, const PlacementGroup&);
+
+ class CEPH_RADOS_API Rados
+ {
+ public:
+ static void version(int *major, int *minor, int *extra);
+
+ Rados();
+ explicit Rados(IoCtx& ioctx);
+ ~Rados();
+
+ int init(const char * const id);
+ int init2(const char * const name, const char * const clustername,
+ uint64_t flags);
+ int init_with_context(config_t cct_);
+ config_t cct();
+ int connect();
+ void shutdown();
+ int watch_flush();
+ int aio_watch_flush(AioCompletion*);
+ int conf_read_file(const char * const path) const;
+ int conf_parse_argv(int argc, const char ** argv) const;
+ int conf_parse_argv_remainder(int argc, const char ** argv,
+ const char ** remargv) const;
+ int conf_parse_env(const char *env) const;
+ int conf_set(const char *option, const char *value);
+ int conf_get(const char *option, std::string &val);
+
+ int service_daemon_register(
+ const std::string& service, ///< service name (e.g., 'rgw')
+ const std::string& name, ///< daemon name (e.g., 'gwfoo')
+ const std::map<std::string,std::string>& metadata); ///< static metadata about daemon
+ int service_daemon_update_status(
+ const std::map<std::string,std::string>& status);
+
+ int pool_create(const char *name);
+ int pool_create(const char *name, uint64_t auid);
+ int pool_create(const char *name, uint64_t auid, uint8_t crush_rule);
+ int pool_create_async(const char *name, PoolAsyncCompletion *c);
+ int pool_create_async(const char *name, uint64_t auid, PoolAsyncCompletion *c);
+ int pool_create_async(const char *name, uint64_t auid, uint8_t crush_rule, PoolAsyncCompletion *c);
+ int pool_get_base_tier(int64_t pool, int64_t* base_tier);
+ int pool_delete(const char *name);
+ int pool_delete_async(const char *name, PoolAsyncCompletion *c);
+ int64_t pool_lookup(const char *name);
+ int pool_reverse_lookup(int64_t id, std::string *name);
+
+ uint64_t get_instance_id();
+
+ int mon_command(std::string cmd, const bufferlist& inbl,
+ bufferlist *outbl, std::string *outs);
+ int mgr_command(std::string cmd, const bufferlist& inbl,
+ bufferlist *outbl, std::string *outs);
+ int osd_command(int osdid, std::string cmd, const bufferlist& inbl,
+ bufferlist *outbl, std::string *outs);
+ int pg_command(const char *pgstr, std::string cmd, const bufferlist& inbl,
+ bufferlist *outbl, std::string *outs);
+
+ int ioctx_create(const char *name, IoCtx &pioctx);
+ int ioctx_create2(int64_t pool_id, IoCtx &pioctx);
+
+ // Features useful for test cases
+ void test_blacklist_self(bool set);
+
+ /* pool info */
+ int pool_list(std::list<std::string>& v);
+ int pool_list2(std::list<std::pair<int64_t, std::string> >& v);
+ int get_pool_stats(std::list<std::string>& v,
+ stats_map& result);
+ /// deprecated; use simpler form. categories no longer supported.
+ int get_pool_stats(std::list<std::string>& v,
+ std::map<std::string, stats_map>& stats);
+ /// deprecated; categories no longer supported
+ int get_pool_stats(std::list<std::string>& v,
+ std::string& category,
+ std::map<std::string, stats_map>& stats);
+ /// check if pool has selfmanaged snaps
+ bool get_pool_is_selfmanaged_snaps_mode(const std::string& poolname);
+
+ int cluster_stat(cluster_stat_t& result);
+ int cluster_fsid(std::string *fsid);
+
+ /**
+ * List inconsistent placement groups in the given pool
+ *
+ * @param pool_id the pool id
+ * @param pgs [out] the inconsistent PGs
+ */
+ int get_inconsistent_pgs(int64_t pool_id,
+ std::vector<PlacementGroup>* pgs);
+ /**
+ * List the inconsistent objects found in a given PG by last scrub
+ *
+ * @param pg the placement group returned by @c pg_list()
+ * @param start_after the first returned @c objects
+ * @param max_return the max number of the returned @c objects
+ * @param c what to do when the operation is complete and safe
+ * @param objects [out] the objects where inconsistencies are found
+ * @param interval [in,out] an epoch indicating current interval
+ * @returns if a non-zero @c interval is specified, will return -EAGAIN i
+ * the current interval begin epoch is different.
+ */
+ int get_inconsistent_objects(const PlacementGroup& pg,
+ const object_id_t &start_after,
+ unsigned max_return,
+ AioCompletion *c,
+ std::vector<inconsistent_obj_t>* objects,
+ uint32_t* interval);
+ /**
+ * List the inconsistent snapsets found in a given PG by last scrub
+ *
+ * @param pg the placement group returned by @c pg_list()
+ * @param start_after the first returned @c objects
+ * @param max_return the max number of the returned @c objects
+ * @param c what to do when the operation is complete and safe
+ * @param snapsets [out] the objects where inconsistencies are found
+ * @param interval [in,out] an epoch indicating current interval
+ * @returns if a non-zero @c interval is specified, will return -EAGAIN i
+ * the current interval begin epoch is different.
+ */
+ int get_inconsistent_snapsets(const PlacementGroup& pg,
+ const object_id_t &start_after,
+ unsigned max_return,
+ AioCompletion *c,
+ std::vector<inconsistent_snapset_t>* snapset,
+ uint32_t* interval);
+
+ /// get/wait for the most recent osdmap
+ int wait_for_latest_osdmap();
+
+ int blacklist_add(const std::string& client_address,
+ uint32_t expire_seconds);
+
+ /*
+ * pool aio
+ *
+ * It is up to the caller to release the completion handler, even if the pool_create_async()
+ * and/or pool_delete_async() fails and does not send the async request
+ */
+ static PoolAsyncCompletion *pool_async_create_completion();
+
+ // -- aio --
+ static AioCompletion *aio_create_completion();
+ static AioCompletion *aio_create_completion(void *cb_arg, callback_t cb_complete,
+ callback_t cb_safe);
+
+ friend std::ostream& operator<<(std::ostream &oss, const Rados& r);
+ private:
+ // We don't allow assignment or copying
+ Rados(const Rados& rhs);
+ const Rados& operator=(const Rados& rhs);
+ RadosClient *client;
+ };
+}
+
+#endif
+
Code Review / stor4nfv.git / blobdiff