164 lines
3.7 KiB
C++

/* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
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 DIH_SCAN_TAB_HPP
#define DIH_SCAN_TAB_HPP
#include "SignalData.hpp"
#define JAM_FILE_ID 108
/**
* DihScanTabReq
*/
struct DihScanTabReq
{
STATIC_CONST( SignalLength = 4 );
STATIC_CONST( RetryInterval = 5 );
Uint32 tableId;
Uint32 senderData;
Uint32 senderRef;
Uint32 schemaTransId;
};
/**
* DihScanTabConf
*/
struct DihScanTabConf
{
STATIC_CONST( SignalLength = 6 );
STATIC_CONST( InvalidCookie = RNIL );
Uint32 tableId;
Uint32 senderData;
Uint32 fragmentCount;
Uint32 noOfBackups;
Uint32 scanCookie;
Uint32 reorgFlag;
};
struct DihScanGetNodesReq
{
STATIC_CONST( FixedSignalLength = 4 );
STATIC_CONST( MAX_DIH_FRAG_REQS = 64); // Max #FragItem in REQ/CONF
Uint32 tableId;
Uint32 senderRef;
Uint32 scanCookie;
Uint32 fragCnt;
struct FragItem
{
STATIC_CONST( Length = 2 );
Uint32 senderData;
Uint32 fragId;
};
/**
* DihScanGetNodesReq request information about specific fragments.
* - These are either specified in a seperate section (long request)
* containing multiple FragItems.
* - Or directly in a single fragItem[] below (short signal) if it
* contain only a single FragItem.
*/
FragItem fragItem[1];
};
struct DihScanGetNodesConf
{
STATIC_CONST( FixedSignalLength = 2 );
Uint32 tableId;
Uint32 fragCnt;
struct FragItem
{
STATIC_CONST( Length = 8 );
Uint32 senderData;
Uint32 fragId;
Uint32 instanceKey;
Uint32 count;
Uint32 nodes[4];
};
/**
* DihScanGetNodesConf supply information about specific fragments.
* - These are either specified in a seperate section (long request)
* containing multiple FragItems.
* - Or directly in a single fragItem[] below (short signal) if it
* contain only a single FragItem.
* Type of long/short Conf-reply will always be the same as the REQuest
*/
FragItem fragItem[1];
};
struct DihScanGetNodesRef
{
STATIC_CONST( FixedSignalLength = 3 );
Uint32 tableId;
Uint32 fragCnt;
Uint32 errCode;
/**
* DihScanGetNodesRef signals failure of a DihScanGetNodesReq.
* As this is likely due to a sectioned memory alloc failure,
* we avoid further alloc problems by returning the same FragItem[]
* list as in the DihScanGetNodesReq.
*
* Depending on 'fragCnt', the fragItem[] is either:
* - These are either specified in a seperate section (long request)
* containing multiple FragItems.
* - Or directly in a single fragItem[] below (short signal) if it
* contain only a single FragItem.
*/
typedef DihScanGetNodesReq::FragItem FragItem; // Reused, see above
FragItem fragItem[1];
};
/**
* DihScanTabRef
*/
struct DihScanTabRef
{
enum ErrorCode {
ErroneousState = 0,
ErroneousTableState = 1
};
STATIC_CONST( SignalLength = 5 );
Uint32 tableId;
Uint32 senderData;
Uint32 error;
Uint32 tableStatus; // Dbdih::TabRecord::tabStatus
Uint32 schemaTransId;
};
struct DihScanTabCompleteRep
{
STATIC_CONST( SignalLength = 2 );
Uint32 tableId;
Uint32 scanCookie;
};
#undef JAM_FILE_ID
#endif