mirror of
https://github.com/MariaDB/server.git
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156 lines
3.4 KiB
C++
156 lines
3.4 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 TC_INDX_H
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#define TC_INDX_H
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#include "SignalData.hpp"
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#include "TcKeyReq.hpp"
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class TcIndxConf {
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/**
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* Reciver(s)
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*/
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friend class Ndb;
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friend class NdbConnection;
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/**
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* Sender(s)
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*/
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friend class Dbtc;
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/**
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* For printing
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*/
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friend bool printTCINDXCONF(FILE *, const Uint32 *, Uint32, Uint16);
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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 = 5 );
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private:
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/**
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* DATA VARIABLES
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*/
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//-------------------------------------------------------------
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// Unconditional part. First 5 words
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//-------------------------------------------------------------
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Uint32 apiConnectPtr;
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Uint32 gci;
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Uint32 confInfo;
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Uint32 transId1;
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Uint32 transId2;
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struct OperationConf {
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Uint32 apiOperationPtr;
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Uint32 attrInfoLen;
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};
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//-------------------------------------------------------------
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// Operations confirmations,
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// No of actually sent = getNoOfOperations(confInfo)
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//-------------------------------------------------------------
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OperationConf operations[10];
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/**
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* Get:ers for confInfo
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*/
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static Uint32 getNoOfOperations(const Uint32 & confInfo);
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static Uint32 getCommitFlag(const Uint32 & confInfo);
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static bool getMarkerFlag(const Uint32 & confInfo);
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/**
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* Set:ers for confInfo
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*/
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static void setCommitFlag(Uint32 & confInfo, Uint8 flag);
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static void setNoOfOperations(Uint32 & confInfo, Uint32 noOfOps);
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static void setMarkerFlag(Uint32 & confInfo, Uint32 flag);
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};
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inline
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Uint32
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TcIndxConf::getNoOfOperations(const Uint32 & confInfo){
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return confInfo & 65535;
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}
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inline
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Uint32
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TcIndxConf::getCommitFlag(const Uint32 & confInfo){
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return ((confInfo >> 16) & 1);
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}
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inline
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bool
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TcIndxConf::getMarkerFlag(const Uint32 & confInfo){
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const Uint32 bits = 3 << 16; // Marker only valid when doing commit
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return (confInfo & bits) == bits;
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}
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inline
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void
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TcIndxConf::setNoOfOperations(Uint32 & confInfo, Uint32 noOfOps){
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ASSERT_MAX(noOfOps, 65535, "TcIndxConf::setNoOfOperations");
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confInfo |= noOfOps;
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}
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inline
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void
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TcIndxConf::setCommitFlag(Uint32 & confInfo, Uint8 flag){
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ASSERT_BOOL(flag, "TcIndxConf::setCommitFlag");
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confInfo |= (flag << 16);
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}
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inline
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void
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TcIndxConf::setMarkerFlag(Uint32 & confInfo, Uint32 flag){
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ASSERT_BOOL(flag, "TcIndxConf::setMarkerFlag");
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confInfo |= (flag << 17);
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}
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class TcIndxRef {
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/**
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* Reciver(s)
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*/
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friend class NdbIndexOperation;
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/**
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* Sender(s)
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*/
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friend class Dbtc;
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/**
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* For printing
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*/
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friend bool printTCINDXREF(FILE *, const Uint32 *, Uint32, Uint16);
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public:
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/**
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* Length of signal
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*/
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public:
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STATIC_CONST( SignalLength = 4 );
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private:
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Uint32 connectPtr;
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Uint32 transId[2];
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Uint32 errorCode;
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};
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#endif
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