1 files changed, 53 insertions, 0 deletions
diff --git a/lib/backupclient/BackupStoreConstants.h b/lib/backupclient/BackupStoreConstants.h
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+++ b/lib/backupclient/BackupStoreConstants.h
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+// --------------------------------------------------------------------------
+//
+// 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		8
+
+// When doing rsync scans, do not scan for blocks smaller than
+#define BACKUP_FILE_DIFF_MIN_BLOCK_SIZE			256
+
+// 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
+
+// How many seconds to wait before deleting unused root directory entries?
+#ifndef NDEBUG
+	// Debug: 30 seconds (easier to test)
+	#define BACKUP_DELETE_UNUSED_ROOT_ENTRIES_AFTER		30
+#else
+	// Release: 2 days (plenty of time for sysadmins to notice, or change their mind)
+	#define BACKUP_DELETE_UNUSED_ROOT_ENTRIES_AFTER		172800
+#endif
+
+#endif // BACKUPSTORECONSTANTS__H
+