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Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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119
versioning/BRM/blockresolutionmanager.h
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@ -45,7 +45,6 @@
namespace BRM
{
/** @brief The BlockResolutionManager manages the Logical Block ID space.
*
* The BlockResolutionManager manages the Logical Block ID space. Its
@ -56,73 +55,71 @@ namespace BRM
*/
class BlockResolutionManager
{
public:
EXPORT explicit BlockResolutionManager(bool ronly = false) throw();
EXPORT ~BlockResolutionManager() throw();
public:
EXPORT explicit BlockResolutionManager(bool ronly = false) throw();
EXPORT ~BlockResolutionManager() throw();
/** @brief Persistence API. Loads the local Extent Map from a file.
*
* Persistence API. Loads the <b>local</b> Extent Map from a file.
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename Relative or absolute path to a file saved with saveExtentMap.
* @return 0, throws if EM throws
*/
EXPORT int loadExtentMap(const std::string& filename, bool fixFL);
/** @brief Persistence API. Loads the local Extent Map from a file.
*
* Persistence API. Loads the <b>local</b> Extent Map from a file.
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename Relative or absolute path to a file saved with saveExtentMap.
* @return 0, throws if EM throws
*/
EXPORT int loadExtentMap(const std::string& filename, bool fixFL);
/** @brief Persistence API. Saves the local Extent Map to a file.
*
* Persistence API. Saves the <b>local</b> Extent Map to a file.
*
* @param filename Relative or absolute path to save to.
* @return 0 on success, throws if EM throws
*/
EXPORT int saveExtentMap(const std::string& filename);
/** @brief Persistence API. Saves the local Extent Map to a file.
*
* Persistence API. Saves the <b>local</b> Extent Map to a file.
*
* @param filename Relative or absolute path to save to.
* @return 0 on success, throws if EM throws
*/
EXPORT int saveExtentMap(const std::string& filename);
/** @brief Persistence API. Loads all BRM snapshots.
*
* Loads all <b>local</b> BRM structures from files saved with saveState().
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename The filename prefix to use. Loads 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int loadState(std::string filename, bool fixFL = false) throw();
/** @brief Persistence API. Loads all BRM snapshots.
*
* Loads all <b>local</b> BRM structures from files saved with saveState().
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename The filename prefix to use. Loads 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int loadState(std::string filename, bool fixFL = false) throw();
/** @brief Persistence API. Loads the BRM deltas since the last snapshot.
*
* Loads all <b>local</b> BRM structures from files saved with saveState().
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename The filename prefix to use. Loads 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int replayJournal(std::string filename) throw();
/** @brief Persistence API. Loads the BRM deltas since the last snapshot.
*
* Loads all <b>local</b> BRM structures from files saved with saveState().
*
* @warning The load must be done on each slave node atomically wrt
* writing operations, otherwise nodes may be out of synch.
* @param filename The filename prefix to use. Loads 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int replayJournal(std::string filename) throw();
/** @brief Persistence API. Saves all BRM structures.
*
* Saves all <b>local</b> BRM structures to files.
*
* @param filename The filename prefix to use. Saves 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int saveState(std::string filename) throw();
private:
explicit BlockResolutionManager(const BlockResolutionManager& brm);
BlockResolutionManager& operator=(const BlockResolutionManager& brm);
MasterSegmentTable mst;
ExtentMap em;
VBBM vbbm;
VSS vss;
CopyLocks copylocks;
/** @brief Persistence API. Saves all BRM structures.
*
* Saves all <b>local</b> BRM structures to files.
*
* @param filename The filename prefix to use. Saves 4 files with that prefix.
* @return 0 on success, -1 on error
*/
EXPORT int saveState(std::string filename) throw();
private:
explicit BlockResolutionManager(const BlockResolutionManager& brm);
BlockResolutionManager& operator=(const BlockResolutionManager& brm);
MasterSegmentTable mst;
ExtentMap em;
VBBM vbbm;
VSS vss;
CopyLocks copylocks;
};
}
} // namespace BRM
#undef EXPORT