BackupImpl.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:6k
- /* 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_IMPL_HPP
- #define BACKUP_IMPL_HPP
- #include "SignalData.hpp"
- #include <NodeBitmask.hpp>
- class DefineBackupReq {
- /**
- * Sender(s)
- */
- friend class BackupMaster;
-
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend bool printDEFINE_BACKUP_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 9 + NdbNodeBitmask::Size);
- private:
- /**
- * i - value of backup object
- */
- Uint32 backupPtr;
- Uint32 backupId;
- Uint32 clientRef;
- Uint32 clientData;
- Uint32 senderRef;
-
- /**
- * Which node(s) is participating in the backup
- */
- NdbNodeBitmask nodes;
-
- /**
- * Generated random number
- */
- Uint32 backupKey[2];
-
- /**
- * Length of backup data
- */
- Uint32 backupDataLen;
- /**
- * Backup flags
- */
- /* & 0x3 - waitCompleted
- */
- Uint32 flags;
- };
- class DefineBackupRef {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printDEFINE_BACKUP_REF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 4 );
-
- enum ErrorCode {
- Undefined = 1340,
- FailedToAllocateBuffers = 1342,
- FailedToSetupFsBuffers = 1343,
- FailedToAllocateTables = 1344,
- FailedInsertFileHeader = 1345,
- FailedInsertTableList = 1346,
- FailedAllocateTableMem = 1347,
- FailedToAllocateFileRecord = 1348,
- FailedToAllocateAttributeRecord = 1349
- };
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 errorCode;
- Uint32 nodeId;
- };
- class DefineBackupConf {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printDEFINE_BACKUP_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 2 );
-
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- };
- class StartBackupReq {
- /**
- * Sender(s)
- */
- friend class BackupMaster;
-
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend bool printSTART_BACKUP_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( MaxTableTriggers = 4 );
- STATIC_CONST( HeaderLength = 5 );
- STATIC_CONST( TableTriggerLength = 4);
-
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 signalNo;
- Uint32 noOfSignals;
- Uint32 noOfTableTriggers;
- struct TableTriggers {
- Uint32 tableId;
- Uint32 triggerIds[3];
- } tableTriggers[MaxTableTriggers];
- };
- class StartBackupRef {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printSTART_BACKUP_REF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 5 );
- enum ErrorCode {
- FailedToAllocateTriggerRecord = 1
- };
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 signalNo;
- Uint32 errorCode;
- Uint32 nodeId;
- };
- class StartBackupConf {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printSTART_BACKUP_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 3 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 signalNo;
- };
- class BackupFragmentReq {
- /**
- * Sender(s)
- */
- friend class BackupMaster;
-
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend bool printBACKUP_FRAGMENT_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 5 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 tableId;
- Uint32 fragmentNo;
- Uint32 count;
- };
- class BackupFragmentRef {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printBACKUP_FRAGMENT_REF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 5 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 errorCode;
- Uint32 nodeId;
- };
- class BackupFragmentConf {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printBACKUP_FRAGMENT_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 6 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 tableId;
- Uint32 fragmentNo;
- Uint32 noOfRecords;
- Uint32 noOfBytes;
- };
- class StopBackupReq {
- /**
- * Sender(s)
- */
- friend class BackupMaster;
-
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend bool printSTOP_BACKUP_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 4 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 startGCP;
- Uint32 stopGCP;
- };
- class StopBackupRef {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printSTOP_BACKUP_REF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 4 );
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 errorCode;
- Uint32 nodeId;
- };
- class StopBackupConf {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printSTOP_BACKUP_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 4 );
-
- private:
- Uint32 backupId;
- Uint32 backupPtr;
- Uint32 noOfLogBytes;
- Uint32 noOfLogRecords;
- };
- class BackupStatusReq {
- /**
- * Sender(s)
- */
- friend class BackupMaster;
-
- /**
- * Reciver(s)
- */
- friend class Backup;
- friend bool printBACKUP_STATUS_REQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 1 );
- private:
- };
- class BackupStatusConf {
- /**
- * Sender(s)
- */
- friend class Backup;
-
- /**
- * Reciver(s)
- */
- friend class BackupMaster;
- friend bool printBACKUP_STATUS_CONF(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- STATIC_CONST( SignalLength = 1 );
- private:
- };
- #endif