StorageStatistics structure
Contents
- Introduction to the Library
- Basic support package (com.kryptel.bslx)
- Kryptel API Commons package (com.kryptel)
- Cipher package (com.kryptel.cipher)
- Compressor package (com.kryptel.compressor)
- Exceptions package (com.kryptel.exceptions)
- Hash function package (com.kryptel.hash_function)
- MAC function package (com.kryptel.mac)
- Key-related functions (com.kryptel.key)
- Silver Key engine (com.kryptel.silver_key)
- Kryptel encrypted storage (com.kryptel.storage)
- Handlers and Agents
- Names and Unique Names
- Kryptel class
- FileStorageStatistics structure
- StorageStatistics structure
- IEncryptedStorage interface
- IEncryptedStorageInfo interface
- IEncryptedObject interface
- IEncryptedStream interface
- IEncryptedFileStorage interface
- IEncryptedFileStorageInfo interface
- IFileSystemAttributes interface
- IEncryptedDirectory interface
- IEncryptedFile interface
- Example: Password storage
- File encryption examples
Declaration
package com.kryptel.storage;
public class StorageStatistics {
public long uBaseSegmentSize;
public int uAgentDataSize;
public long uBaseDataAreaSize;
public long uDirectorySize;
public int nFixupSegments;
public long uTotalFixupSegmentSize;
public long uTotalFixupDataAreaSize;
public long uTotalFixupListSize;
public int nFixupRecords;
public int nObjects;
public int nDeletedObjects;
public int nAttributeBlocks;
public long uTotalAttributeSize;
public int nStreams;
public long uDataAreaUsed;
public long uDataAreaUnused;
public long uTotalStreamSize;
public int nRecoveryBlocks;
public long uTotalRecoveryBlockSize;
}
Description
This structure is returned by IEncryptedStorageInfo.GetStorageStatistics and contains various container statistics. Some of these values are used for debugging and tuning storage handlers and so require good understanding of Kryptel container structure.
- uBaseSegmentSize
- Size of the container's base segment. The same as the position of the first fixup segment (if present). The size of the container is uBaseSegmentSize + uTotalFixupSegmentSize.
- uAgentDataSize
- Size of the container's agent data area.
- uBaseDataAreaSize
- Size of the base segment's data area. Total data area size may be computed as uBaseDataAreaSize + uTotalFixupDataAreaSize.
- uDirectorySize
- Size of the base segment's directory.
- nFixupSegments
- Number of fixup segments.
- uTotalFixupSegmentSize
- Size of all the fixup segments. The size of the container is uBaseSegmentSize + uTotalFixupSegmentSize.
- uTotalFixupDataAreaSize
- Total size of data areas in all the fixup segments. Total container data area size is uBaseDataAreaSize + uTotalFixupDataAreaSize.
- uTotalFixupListSize
- Total size of all container's fixup lists.
- nFixupRecords
- Total number of all fixup records in all fixup lists.
- nObjects
- Number of objects including the container's root object, which always present. The total number of objects in the container is nObjects + nDeletedObjects.
- nDeletedObjects
- Number of deleted onjects. The total number of objects in the container is nObjects + nDeletedObjects.
- nAttributeBlocks
- Number of attribute blocks.
- uTotalAttributeSize
- Total size of attribute blocks.
- nStreams
- Number of data streams.
- uDataAreaUsed
- Size of the used part of the data area, i.e. the total size of data streams that belong to non-deleted objects plus the total size of recovery blocks.
- uDataAreaUnused
- Size of the unused part of the data area. For an unmodified container it equals to (uBaseDataAreaSize + uTotalFixupDataAreaSize) - (uDataAreaUsed + uTotalRecoveryBlockSize). For a modified container this value can't be reliably calculated, especially for a container being compressed.
- uTotalStreamSize
- Total uncompressed stream size. The compressed size may be computed as uDataAreaUsed - uTotalRecoveryBlockSize.
- nRecoveryBlocks
- Number of recovery blocks.
- uTotalRecoveryBlockSize
- Total size of recovery blocks.
Note that data area size is not the same as total streams size. Container's data area also contains recovery blocks and deleted streams.