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/* Copyright (c) 2003-2006 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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef BACKUP_HPP
#define BACKUP_HPP
#include "SignalData.hpp"
#include <NodeBitmask.hpp>
/**
* Request to start a backup
*/
class BackupReq {
/**
* Sender(s)
*/
friend class MgmtSrvr;
/**
* Reciver(s)
*/
friend class Backup;
friend bool printBACKUP_REQ(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 senderData;
Uint32 backupDataLen;
/* & 0x3 - waitCompleted
*/
Uint32 flags;
};
class BackupData {
/**
* Sender(s)
*/
friend class BackupMaster;
/**
* Reciver(s)
*/
friend class Backup;
friend bool printBACKUP_DATA(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 25 );
enum KeyValues {
/**
* Buffer(s) and stuff
*/
BufferSize = 1, // In MB
BlockSize = 2, // Write in chunks of this (in bytes)
MinWrite = 3, // Minimum write as multiple of blocksize
MaxWrite = 4, // Maximum write as multiple of blocksize
// Max throughput
// Parallell files
NoOfTables = 1000,
TableName = 1001 // char*
};
private:
enum RequestType {
ClientToMaster = 1,
MasterToSlave = 2
};
Uint32 requestType;
union {
Uint32 backupPtr;
Uint32 senderData;
};
Uint32 backupId;
/**
* totalLen = totalLen_offset >> 16
* offset = totalLen_offset & 0xFFFF
*/
Uint32 totalLen_offset;
/**
* Length in this = signal->length() - 3
* Sender block ref = signal->senderBlockRef()
*/
Uint32 backupData[21];
};
/**
* The request to start a backup was refused
*/
class BackupRef {
/**
* Sender(s)
*/
friend class Backup;
/**
* Reciver(s)
*/
friend class MgmtSrvr;
friend bool printBACKUP_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
enum ErrorCodes {
Undefined = 1300,
IAmNotMaster = 1301,
OutOfBackupRecord = 1302,
OutOfResources = 1303,
SequenceFailure = 1304,
BackupDefinitionNotImplemented = 1305,
CannotBackupDiskless = 1306
};
Uint32 senderData;
Uint32 errorCode;
union {
Uint32 masterRef;
};
};
/**
* The backup has started
*/
class BackupConf {
/**
* Sender(s)
*/
friend class Backup;
/**
* Reciver(s)
*/
friend class MgmtSrvr;
friend bool printBACKUP_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 2 + NdbNodeBitmask::Size );
private:
Uint32 senderData;
Uint32 backupId;
NdbNodeBitmask nodes;
};
/**
* A backup has been aborted
*/
class BackupAbortRep {
/**
* Sender(s)
*/
friend class Backup;
/**
* Reciver(s)
*/
friend class MgmtSrvr;
friend bool printBACKUP_ABORT_REP(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 senderData;
Uint32 backupId;
Uint32 reason;
};
/**
* A backup has been completed
*/
class BackupCompleteRep {
/**
* Sender(s)
*/
friend class Backup;
/**
* Reciver(s)
*/
friend class MgmtSrvr;
friend bool printBACKUP_COMPLETE_REP(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 10 + NdbNodeBitmask::Size );
private:
Uint32 senderData;
Uint32 backupId;
Uint32 startGCP;
Uint32 stopGCP;
Uint32 noOfBytesLow;
Uint32 noOfRecordsLow;
Uint32 noOfLogBytes;
Uint32 noOfLogRecords;
NdbNodeBitmask nodes;
Uint32 noOfBytesHigh;
Uint32 noOfRecordsHigh;
};
/**
* A master has finished taking-over backup responsiblility
*/
class BackupNFCompleteRep {
friend bool printBACKUP_NF_COMPLETE_REP(FILE*, const Uint32*, Uint32, Uint16);
};
/**
* Abort of backup
*/
class AbortBackupOrd {
/**
* Sender / Reciver
*/
friend class Backup;
friend class MgmtSrvr;
friend bool printABORT_BACKUP_ORD(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
enum RequestType {
ClientAbort = 1321,
BackupComplete = 1322,
BackupFailure = 1323, // General backup failure coordinator -> slave
LogBufferFull = 1324, // slave -> coordinator
FileOrScanError = 1325, // slave -> coordinator
BackupFailureDueToNodeFail = 1326, // slave -> slave
OkToClean = 1327 // master -> slave
,AbortScan = 1328
,IncompatibleVersions = 1329
};
private:
Uint32 requestType;
Uint32 backupId;
union {
Uint32 backupPtr;
Uint32 senderData;
};
};
#endif
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