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-rw-r--r--storage/ndb/src/kernel/blocks/backup/BackupFormat.hpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/storage/ndb/src/kernel/blocks/backup/BackupFormat.hpp b/storage/ndb/src/kernel/blocks/backup/BackupFormat.hpp
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+/* Copyright (C) 2003 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef BACKUP_FORMAT_HPP
+#define BACKUP_FORMAT_HPP
+
+#include <ndb_types.h>
+
+static const char BACKUP_MAGIC[] = { 'N', 'D', 'B', 'B', 'C', 'K', 'U', 'P' };
+
+struct BackupFormat {
+
+ /**
+ * Section types in file
+ */
+ enum SectionType {
+ FILE_HEADER = 1,
+ FRAGMENT_HEADER = 2,
+ FRAGMENT_FOOTER = 3,
+ TABLE_LIST = 4,
+ TABLE_DESCRIPTION = 5,
+ GCP_ENTRY = 6
+ };
+
+ struct FileHeader {
+ char Magic[8];
+ Uint32 NdbVersion;
+
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 FileType;
+ Uint32 BackupId;
+ Uint32 BackupKey_0;
+ Uint32 BackupKey_1;
+ Uint32 ByteOrder;
+ };
+
+ /**
+ * File types
+ */
+ enum FileType {
+ CTL_FILE = 1,
+ LOG_FILE = 2,
+ DATA_FILE = 3
+ };
+
+ /**
+ * Data file formats
+ */
+ struct DataFile {
+
+ struct FragmentHeader {
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 TableId;
+ Uint32 FragmentNo;
+ Uint32 ChecksumType;
+ };
+
+ struct VariableData {
+ Uint32 Sz;
+ Uint32 Id;
+ Uint32 Data[1];
+ };
+
+ struct Record {
+ Uint32 Length;
+ Uint32 NullBitmask[1];
+ Uint32 DataFixedKeys[1];
+ Uint32 DataFixedAttributes[1];
+ VariableData DataVariableAttributes[1];
+ };
+
+ struct FragmentFooter {
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 TableId;
+ Uint32 FragmentNo;
+ Uint32 NoOfRecords;
+ Uint32 Checksum;
+ };
+ };
+
+ /**
+ * CTL file formats
+ */
+ struct CtlFile {
+
+ /**
+ * Table list
+ */
+ struct TableList {
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 TableIds[1]; // Length = SectionLength - 2
+ };
+
+ /**
+ * Table description(s)
+ */
+ struct TableDescription {
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 DictTabInfo[1]; // Length = SectionLength - 2
+ };
+
+ /**
+ * GCP Entry
+ */
+ struct GCPEntry {
+ Uint32 SectionType;
+ Uint32 SectionLength;
+ Uint32 StartGCP;
+ Uint32 StopGCP;
+ };
+ };
+
+ /**
+ * LOG file format
+ */
+ struct LogFile {
+
+ /**
+ * Log Entry
+ */
+ struct LogEntry {
+ Uint32 Length;
+ Uint32 TableId;
+ // If TriggerEvent & 0x10000 == true then GCI is right after data
+ Uint32 TriggerEvent;
+ Uint32 Data[1]; // Len = Length - 2
+ };
+ };
+};
+
+#endif