Major refactoring to make lib/backupclient depend on lib/backupstore rather

than the other way around. This is needed to allow clients to have all the
code that they'd need to implement local backups (using the Local protocol)
in subsequent commits.

1 files changed, 44 insertions, 0 deletions

diff --git a/lib/backupstore/BackupStoreConstants.h b/lib/backupstore/BackupStoreConstants.h
new file mode 100644
index 00000000..2c33fd8f
--- /dev/null
+++ b/lib/backupstore/BackupStoreConstants.h
@@ -0,0 +1,44 @@
+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    BackupStoreContants.h
+//		Purpose: constants for the backup system
+//		Created: 2003/08/28
+//
+// --------------------------------------------------------------------------
+
+#ifndef BACKUPSTORECONSTANTS__H
+#define BACKUPSTORECONSTANTS__H
+
+#define BACKUPSTORE_ROOT_DIRECTORY_ID	1
+
+#define BACKUP_STORE_SERVER_VERSION		1
+
+// Minimum size for a chunk to be compressed
+#define BACKUP_FILE_MIN_COMPRESSED_CHUNK_SIZE	256
+
+// min and max sizes for blocks
+#define BACKUP_FILE_MIN_BLOCK_SIZE				4096
+#define BACKUP_FILE_MAX_BLOCK_SIZE				(512*1024)
+
+// Increase the block size if there are more than this number of blocks
+#define BACKUP_FILE_INCREASE_BLOCK_SIZE_AFTER 	4096
+
+// Avoid creating blocks smaller than this
+#define	BACKUP_FILE_AVOID_BLOCKS_LESS_THAN		128
+
+// Maximum number of sizes to do an rsync-like scan for
+#define BACKUP_FILE_DIFF_MAX_BLOCK_SIZES		64
+
+// When doing rsync scans, do not scan for blocks smaller than
+#define BACKUP_FILE_DIFF_MIN_BLOCK_SIZE			128
+
+// A limit to stop diffing running out of control: If more than this
+// times the number of blocks in the original index are found, stop
+// looking. This stops really bad cases of diffing files containing
+// all the same byte using huge amounts of memory and processor time.
+// This is a multiple of the number of blocks in the diff from file.
+#define BACKUP_FILE_DIFF_MAX_BLOCK_FIND_MULTIPLE	4096
+
+#endif // BACKUPSTORECONSTANTS__H
+