149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
/*
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Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef TC_KEY_CONF_H
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#define TC_KEY_CONF_H
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#include "SignalData.hpp"
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#define JAM_FILE_ID 58
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/**
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*
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*/
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class TcKeyConf {
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/**
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* Reciver(s)
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*/
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friend class NdbImpl;
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friend class NdbTransaction;
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friend class Ndbcntr;
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friend class DbUtil;
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friend class TransporterFacade;
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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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friend class Dbspj;
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/**
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* For printing
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*/
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friend bool printTCKEYCONF(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( StaticLength = 5 );
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STATIC_CONST( OperationLength = 2 );
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STATIC_CONST( DirtyReadBit = (((Uint32)1) << 31) );
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protected:
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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; // if RNIL, transaction is found from op
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Uint32 gci_hi; // gci_lo is stored after operations...
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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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TcKeyConf::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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TcKeyConf::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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TcKeyConf::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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TcKeyConf::setNoOfOperations(Uint32 & confInfo, Uint32 noOfOps){
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ASSERT_MAX(noOfOps, 65535, "TcKeyConf::setNoOfOperations");
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confInfo = (confInfo & 0xFFFF0000) | noOfOps;
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}
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inline
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void
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TcKeyConf::setCommitFlag(Uint32 & confInfo, Uint8 flag){
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ASSERT_BOOL(flag, "TcKeyConf::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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TcKeyConf::setMarkerFlag(Uint32 & confInfo, Uint32 flag){
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ASSERT_BOOL(flag, "TcKeyConf::setMarkerFlag");
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confInfo |= (flag << 17);
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}
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#undef JAM_FILE_ID
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#endif
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