mirror of
https://github.com/MariaDB/server.git
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267 lines
6.3 KiB
C++
267 lines
6.3 KiB
C++
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef FS_OPEN_REQ_H
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#define FS_OPEN_REQ_H
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#include "SignalData.hpp"
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/**
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*
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* SENDER:
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* RECIVER: Ndbfs
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*/
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class FsOpenReq {
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/**
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* Reciver(s)
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*/
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friend class Ndbfs; // Reciver
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friend class AsyncFile; // Uses FsOpenReq to decode file open flags
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friend class Filename;
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friend class VoidFs;
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/**
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* Sender(s)
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*/
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friend class Backup;
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friend class Dbdict;
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friend class Ndbcntr; // For initial start...
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friend class Dbdih;
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/**
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* For printing
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*/
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friend bool printFSOPENREQ(FILE * output, const Uint32 * theData, Uint32 len, Uint16 receiverBlockNo);
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public:
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/**
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* Length of signal
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*/
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STATIC_CONST( SignalLength = 7 );
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private:
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/**
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* DATA VARIABLES
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*/
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UintR userReference; // DATA 0
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UintR userPointer; // DATA 1
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UintR fileNumber[4]; // DATA 2 - 5
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UintR fileFlags; // DATA 6
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STATIC_CONST( OM_READONLY = 0 );
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STATIC_CONST( OM_WRITEONLY = 1 );
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STATIC_CONST( OM_READWRITE = 2 );
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STATIC_CONST( OM_APPEND = 0x8 ); // Not Implemented on W2k
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STATIC_CONST( OM_SYNC = 0x10 );
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STATIC_CONST( OM_CREATE = 0x100 );
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STATIC_CONST( OM_TRUNCATE = 0x200 );
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enum Suffixes {
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S_DATA = 0,
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S_FRAGLOG = 1,
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S_LOGLOG = 2,
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S_FRAGLIST = 3,
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S_TABLELIST = 4,
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S_SCHEMALOG = 5,
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S_SYSFILE = 6,
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S_LOG = 7,
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S_CTL = 8
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};
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static Uint32 getVersion(const Uint32 fileNumber[]);
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static Uint32 getSuffix(const Uint32 fileNumber[]);
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static void setVersion(Uint32 fileNumber[], Uint8 val);
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static void setSuffix(Uint32 fileNumber[], Uint8 val);
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/**
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* V1
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*/
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static Uint32 v1_getDisk(const Uint32 fileNumber[]);
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static Uint32 v1_getTable(const Uint32 fileNumber[]);
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static Uint32 v1_getFragment(const Uint32 fileNumber[]);
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static Uint32 v1_getS(const Uint32 fileNumber[]);
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static Uint32 v1_getP(const Uint32 fileNumber[]);
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static void v1_setDisk(Uint32 fileNumber[], Uint8 val);
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static void v1_setTable(Uint32 fileNumber[], Uint32 val);
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static void v1_setFragment(Uint32 fileNumber[], Uint32 val);
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static void v1_setS(Uint32 fileNumber[], Uint32 val);
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static void v1_setP(Uint32 fileNumber[], Uint8 val);
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/**
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* V2 - Backup
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*/
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static Uint32 v2_getSequence(const Uint32 fileNumber[]);
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static Uint32 v2_getNodeId(const Uint32 fileNumber[]);
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static Uint32 v2_getCount(const Uint32 fileNumber[]);
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static void v2_setSequence(Uint32 fileNumber[], Uint32 no);
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static void v2_setNodeId(Uint32 fileNumber[], Uint32 no);
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static void v2_setCount(Uint32 fileNumber[], Uint32 no);
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};
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/**
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* File flags (set according to solaris standard)
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*
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o = Open mode - 2 Bits -> max 3
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c = create new file - 1 Bit
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t = truncate existing - 1 Bit
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1111111111222222222233
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01234567890123456789012345678901
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oo ct
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*/
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/**
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* -- v1 --
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* File number[0] = Table
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* File number[1] = Fragment
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* File number[2] = S-value
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* File number[3] =
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* p = v1_P 0 - 7
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* d = v1_disk 8 - 15
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* s = v1_suffix 16 - 23
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* v = version 24 - 31
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*
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* 1111111111222222222233
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* 01234567890123456789012345678901
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* ppppppppddddddddssssssssvvvvvvvv
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*
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* -- v2 --
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* File number[0] = Backup Sequence Number
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* File number[1] = Node Id
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* File number[3] =
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* v = version 24 - 31
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* s = v1_suffix 16 - 23
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*
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* 1111111111222222222233
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* 01234567890123456789012345678901
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* ppppppppddddddddssssssssvvvvvvvv
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*
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*/
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inline
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Uint32 FsOpenReq::getVersion(const Uint32 fileNumber[]){
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return (fileNumber[3] >> 24) & 0xff;
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}
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inline
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void FsOpenReq::setVersion(Uint32 fileNumber[], Uint8 val){
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const Uint32 t = fileNumber[3];
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fileNumber[3] = t & 0x00FFFFFF | (((Uint32)val) << 24);
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}
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inline
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Uint32 FsOpenReq::getSuffix(const Uint32 fileNumber[]){
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return (fileNumber[3] >> 16)& 0xff;
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}
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inline
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void FsOpenReq::setSuffix(Uint32 fileNumber[], Uint8 val){
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const Uint32 t = fileNumber[3];
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fileNumber[3] = t & 0xFF00FFFF | (((Uint32)val) << 16);
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}
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inline
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Uint32 FsOpenReq::v1_getDisk(const Uint32 fileNumber[]){
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return (fileNumber[3]>>8) & 0xff;
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}
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inline
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void FsOpenReq::v1_setDisk(Uint32 fileNumber[], Uint8 val){
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const Uint32 t = fileNumber[3];
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fileNumber[3] = t & 0xFFFF00FF | (((Uint32)val) << 8);
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}
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inline
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Uint32 FsOpenReq::v1_getTable(const Uint32 fileNumber[]){
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return fileNumber[0];
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}
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inline
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void FsOpenReq::v1_setTable(Uint32 fileNumber[], Uint32 val){
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fileNumber[0] = val;
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}
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inline
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Uint32 FsOpenReq::v1_getFragment(const Uint32 fileNumber[]){
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return fileNumber[1];
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}
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inline
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void FsOpenReq::v1_setFragment(Uint32 fileNumber[], Uint32 val){
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fileNumber[1] = val;
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}
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inline
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Uint32 FsOpenReq::v1_getS(const Uint32 fileNumber[]){
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return fileNumber[2];
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}
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inline
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void FsOpenReq::v1_setS(Uint32 fileNumber[], Uint32 val){
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fileNumber[2] = val;
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}
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inline
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Uint32 FsOpenReq::v1_getP(const Uint32 fileNumber[]){
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return fileNumber[3] & 0xff;
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}
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inline
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void FsOpenReq::v1_setP(Uint32 fileNumber[], Uint8 val){
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const Uint32 t = fileNumber[3];
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fileNumber[3] = t & 0xFFFFFF00 | val;
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}
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/****************/
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inline
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Uint32 FsOpenReq::v2_getSequence(const Uint32 fileNumber[]){
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return fileNumber[0];
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}
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inline
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void FsOpenReq::v2_setSequence(Uint32 fileNumber[], Uint32 val){
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fileNumber[0] = val;
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}
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inline
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Uint32 FsOpenReq::v2_getNodeId(const Uint32 fileNumber[]){
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return fileNumber[1];
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}
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inline
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void FsOpenReq::v2_setNodeId(Uint32 fileNumber[], Uint32 val){
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fileNumber[1] = val;
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}
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inline
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Uint32 FsOpenReq::v2_getCount(const Uint32 fileNumber[]){
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return fileNumber[2];
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}
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inline
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void FsOpenReq::v2_setCount(Uint32 fileNumber[], Uint32 val){
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fileNumber[2] = val;
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}
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#endif
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