polardbxengine/storage/ndb/include/kernel/signaldata/FsConf.hpp

102 lines
2.5 KiB
C++

/*
Copyright (c) 2003, 2017, 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, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FS_CONF_H
#define FS_CONF_H
#include "SignalData.hpp"
#define JAM_FILE_ID 206
/**
* FsConf - Common signal class for all CONF signals sent from Ndbfs
* GSN_FSCLOSECONF, GSN_FSOPENCONF, GSN_FSWRITECONF, GSN_FSREADCONF,
* GSN_FSSYNCCONF, GSN_FSREMOVECONF
*/
/**
*
* SENDER: Ndbfs
* RECIVER:
*/
class FsConf {
/**
* Reciver(s)
*/
friend class Backup;
friend class Dbacc;
friend class Dbtup;
friend class Dbdict;
friend class Lgman;
friend class Tsman;
friend class Pgman;
friend class Restore;
friend class Ndbcntr;
/**
* Sender(s)
*/
friend class Ndbfs;
friend class VoidFs;
/**
* For printing
*/
friend bool printFSCONF(FILE * output, const Uint32 * theData, Uint32 len, Uint16 receiverBlockNo);
public:
/**
* Length of signal
*/
/**
* FSOPENCONF: static const UintR SignalLength = 2;
* FSCLOSECONF, FSREADCONF, FSWRITECONF, FSSYNCCONF: static const UintR SignalLength = 2;
*/
private:
/**
* DATA VARIABLES
*/
UintR userPointer; // DATA 0
// Data 1
union {
UintR filePointer; // FSOPENCONF
Uint32 bytes_read; // FSREADCONF (when allow partial read)
};
// debug info for trace log
Uint32 fileInfo;
Uint32 file_size_hi;
Uint32 file_size_lo;
};
#undef JAM_FILE_ID
#endif